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_FALLING_WALL_FALLING,
4943   EL_BD_NITRO_PACK_FALLING,
4944   EL_BD_NUT_FALLING,
4945   EL_BD_FLYING_ROCK_FLYING,
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 getEditorGraphicAndFrame(int element, int *graphic, int *frame, boolean use_editor_gfx)
7360 {
7361   if (use_editor_gfx)
7362   {
7363     *graphic = el2edimg(element);
7364     *frame = 0;
7365   }
7366   else
7367   {
7368     *graphic = el2img(element);
7369     *frame = (ANIM_MODE(*graphic) == ANIM_CE_VALUE ?
7370               custom_element.ce_value_fixed_initial :
7371               ANIM_MODE(*graphic) == ANIM_CE_SCORE ?
7372               custom_element.collect_score_initial : FrameCounter);
7373   }
7374
7375   if (*graphic == IMG_UNKNOWN)
7376   {
7377     // no graphic defined -- if BD style, try to get runtime ("effect") element graphics
7378     // (normal BD style elements have graphics, but runtime ("effects") elements do not)
7379     int element_bd = map_element_RND_to_BD_cave(element);
7380
7381     if (element_bd != O_UNKNOWN)
7382     {
7383       struct GraphicInfo_BD *g_bd = &graphic_info_bd_object[element_bd][0];
7384
7385       *graphic = g_bd->graphic;
7386       *frame   = g_bd->frame;
7387     }
7388   }
7389 }
7390
7391 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7392                                    int *x, int *y)
7393 {
7394   int graphic;
7395   int frame;
7396
7397   getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7398
7399   getSizedGraphicSource(graphic, frame, tile_size, bitmap, x, y);
7400 }
7401
7402 static void CreateControlButtons(void)
7403 {
7404   struct GadgetInfo *gi;
7405   int i;
7406
7407   // create toolbox buttons
7408   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7409   {
7410     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7411     int id = controlbutton_info[i].gadget_id;
7412     int type = controlbutton_info[i].gadget_type;
7413     int graphic = controlbutton_info[i].graphic;
7414     struct XYTileSize *pos = controlbutton_info[i].pos;
7415     struct GraphicInfo *gd = &graphic_info[graphic];
7416     Bitmap *deco_bitmap = NULL;
7417     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7418     int tile_size = 0, deco_shift = 0;
7419     boolean deco_masked = FALSE;
7420     int gd_x1 = gd->src_x;
7421     int gd_y1 = gd->src_y;
7422     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7423     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7424     int gd_x1a = gd->src_x + gd->active_xoffset;
7425     int gd_y1a = gd->src_y + gd->active_yoffset;
7426     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7427     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7428     int x = pos->x;
7429     int y = pos->y;
7430     unsigned int event_mask;
7431     int radio_button_nr = RADIO_NR_NONE;
7432     boolean checked = FALSE;
7433
7434     if (type_id != i)
7435       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7436
7437     if (type == GD_TYPE_RADIO_BUTTON)
7438     {
7439       event_mask = GD_EVENT_PRESSED;
7440       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7441
7442       if (id == drawing_function)
7443         checked = TRUE;
7444     }
7445     else
7446     {
7447       if (id == GADGET_ID_WRAP_LEFT ||
7448           id == GADGET_ID_WRAP_RIGHT ||
7449           id == GADGET_ID_WRAP_UP ||
7450           id == GADGET_ID_WRAP_DOWN)
7451         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7452       else
7453         event_mask = GD_EVENT_RELEASED;
7454     }
7455
7456     if (id == GADGET_ID_PROPERTIES ||
7457         id == GADGET_ID_PALETTE)
7458     {
7459       x += DX;
7460       y += DY;
7461     }
7462     else if (id == GADGET_ID_ELEMENT_LEFT ||
7463              id == GADGET_ID_ELEMENT_MIDDLE ||
7464              id == GADGET_ID_ELEMENT_RIGHT)
7465     {
7466       x += DX;
7467       y += DY;
7468
7469       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7470                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7471                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7472
7473       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7474                                    editor.button.element_left.tile_size :
7475                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7476                                    editor.button.element_middle.tile_size :
7477                                    id == GADGET_ID_ELEMENT_RIGHT ?
7478                                    editor.button.element_right.tile_size : 0);
7479
7480       // make sure that decoration does not overlap gadget border
7481       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7482
7483       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7484
7485       deco_xpos = (gd->width  - tile_size) / 2;
7486       deco_ypos = (gd->height - tile_size) / 2;
7487       deco_shift = 1;
7488       deco_masked = gd->draw_masked;
7489     }
7490     else
7491     {
7492       x += EX;
7493       y += EY;
7494     }
7495
7496     gi = CreateGadget(GDI_CUSTOM_ID, id,
7497                       GDI_CUSTOM_TYPE_ID, type_id,
7498                       GDI_IMAGE_ID, graphic,
7499                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7500                       GDI_X, x,
7501                       GDI_Y, y,
7502                       GDI_WIDTH, gd->width,
7503                       GDI_HEIGHT, gd->height,
7504                       GDI_TYPE, type,
7505                       GDI_STATE, GD_BUTTON_UNPRESSED,
7506                       GDI_RADIO_NR, radio_button_nr,
7507                       GDI_CHECKED, checked,
7508                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7509                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7510                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7511                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7512                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7513                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7514                       GDI_DECORATION_SIZE, tile_size, tile_size,
7515                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7516                       GDI_DECORATION_MASKED, deco_masked,
7517                       GDI_EVENT_MASK, event_mask,
7518                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7519                       GDI_CALLBACK_ACTION, HandleControlButtons,
7520                       GDI_END);
7521
7522     if (gi == NULL)
7523       Fail("cannot create gadget");
7524
7525     level_editor_gadget[id] = gi;
7526   }
7527
7528   // these values are not constant, but can change at runtime
7529   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7530   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7531   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7532   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7533   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7534   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7535   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7536   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7537   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7538   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7539   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7540   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7541
7542   // create buttons for scrolling of drawing area and element list
7543   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7544   {
7545     int id = scrollbutton_info[i].gadget_id;
7546     int type_id = scrollbutton_info[i].gadget_type_id;
7547     int graphic = scrollbutton_info[i].graphic;
7548     struct GraphicInfo *gd = &graphic_info[graphic];
7549     Bitmap *gd_bitmap = gd->bitmap;
7550     int gd_x1 = gd->src_x;
7551     int gd_y1 = gd->src_y;
7552     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7553     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7554     int width  = gd->width;
7555     int height = gd->height;
7556     int x = scrollbutton_pos[i].x;
7557     int y = scrollbutton_pos[i].y;
7558     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7559
7560     if (type_id != i)
7561       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7562
7563     if (id == GADGET_ID_SCROLL_LIST_UP ||
7564         id == GADGET_ID_SCROLL_LIST_DOWN)
7565     {
7566       x += PX;
7567       y += PY;
7568     }
7569     else
7570     {
7571       x += SX;
7572       y += SY;
7573     }
7574
7575     gi = CreateGadget(GDI_CUSTOM_ID, id,
7576                       GDI_CUSTOM_TYPE_ID, type_id,
7577                       GDI_IMAGE_ID, graphic,
7578                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7579                       GDI_X, x,
7580                       GDI_Y, y,
7581                       GDI_WIDTH, width,
7582                       GDI_HEIGHT, height,
7583                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7584                       GDI_STATE, GD_BUTTON_UNPRESSED,
7585                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7586                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7587                       GDI_EVENT_MASK, event_mask,
7588                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7589                       GDI_CALLBACK_ACTION, HandleControlButtons,
7590                       GDI_END);
7591
7592     if (gi == NULL)
7593       Fail("cannot create gadget");
7594
7595     level_editor_gadget[id] = gi;
7596   }
7597
7598   // create buttons for element list
7599   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7600   {
7601     int type_id = i;
7602     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7603     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7604     struct GraphicInfo *gd = &graphic_info[graphic];
7605     Bitmap *gd_bitmap = gd->bitmap;
7606     Bitmap *deco_bitmap;
7607     int deco_x, deco_y, deco_xpos, deco_ypos;
7608     int gd_x1 = gd->src_x;
7609     int gd_y1 = gd->src_y;
7610     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7611     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7612     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7613     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7614     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7615     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7616     int element = editor_elements[i];
7617     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7618     unsigned int event_mask = GD_EVENT_RELEASED;
7619
7620     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7621
7622     deco_xpos = (gd->width  - tile_size) / 2;
7623     deco_ypos = (gd->height - tile_size) / 2;
7624
7625     gi = CreateGadget(GDI_CUSTOM_ID, id,
7626                       GDI_CUSTOM_TYPE_ID, type_id,
7627                       GDI_IMAGE_ID, graphic,
7628                       GDI_INFO_TEXT, getElementInfoText(element),
7629                       GDI_X, x,
7630                       GDI_Y, y,
7631                       GDI_WIDTH, gd->width,
7632                       GDI_HEIGHT, gd->height,
7633                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7634                       GDI_STATE, GD_BUTTON_UNPRESSED,
7635                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7636                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7637                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7638                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7639                       GDI_DECORATION_SIZE, tile_size, tile_size,
7640                       GDI_DECORATION_SHIFTING, 1, 1,
7641                       GDI_EVENT_MASK, event_mask,
7642                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7643                       GDI_CALLBACK_ACTION, HandleControlButtons,
7644                       GDI_END);
7645
7646     if (gi == NULL)
7647       Fail("cannot create gadget");
7648
7649     level_editor_gadget[id] = gi;
7650   }
7651 }
7652
7653 static void CreateCounterButtons(void)
7654 {
7655   int max_infotext_len = getMaxInfoTextLength();
7656   int i;
7657
7658   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7659   {
7660     int type_id = counterbutton_info[i].gadget_type_id;
7661     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7662     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7663     int j;
7664
7665     if (type_id != i)
7666       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7667
7668     // determine horizontal position to the right of specified gadget
7669     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7670       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7671            ED_GADGET_TEXT_DISTANCE);
7672
7673     // determine horizontal offset for leading text
7674     if (counterbutton_info[i].text_left != NULL)
7675       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7676
7677     for (j = 0; j < 2; j++)
7678     {
7679       struct GadgetInfo *gi;
7680       int id = (j == 0 ?
7681                 counterbutton_info[i].gadget_id_down :
7682                 counterbutton_info[i].gadget_id_up);
7683       int graphic;
7684       struct GraphicInfo *gd;
7685       int gd_x1, gd_x2, gd_y1, gd_y2;
7686       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7687       char infotext[max_infotext_len + 1];
7688
7689       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7690       {
7691         graphic = (j == 0 ?
7692                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7693                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7694
7695         event_mask |= GD_EVENT_RELEASED;
7696
7697         if (j == 0)
7698         {
7699           x = DX + editor.button.prev_level.x;
7700           y = DY + editor.button.prev_level.y;
7701         }
7702         else
7703         {
7704           x = DX + editor.button.next_level.x;
7705           y = DY + editor.button.next_level.y;
7706         }
7707       }
7708       else
7709       {
7710         graphic = (j == 0 ?
7711                    IMG_EDITOR_COUNTER_DOWN :
7712                    IMG_EDITOR_COUNTER_UP);
7713       }
7714
7715       gd = &graphic_info[graphic];
7716
7717       gd_x1 = gd->src_x;
7718       gd_y1 = gd->src_y;
7719       gd_x2 = gd->src_x + gd->pressed_xoffset;
7720       gd_y2 = gd->src_y + gd->pressed_yoffset;
7721
7722       sprintf(infotext, "%s counter value by 1, 5 or 10",
7723               (j == 0 ? "Decrease" : "Increase"));
7724
7725       gi = CreateGadget(GDI_CUSTOM_ID, id,
7726                         GDI_CUSTOM_TYPE_ID, type_id,
7727                         GDI_IMAGE_ID, graphic,
7728                         GDI_INFO_TEXT, infotext,
7729                         GDI_X, x,
7730                         GDI_Y, y,
7731                         GDI_WIDTH, gd->width,
7732                         GDI_HEIGHT, gd->height,
7733                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7734                         GDI_STATE, GD_BUTTON_UNPRESSED,
7735                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7736                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7737                         GDI_EVENT_MASK, event_mask,
7738                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7739                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7740                         GDI_END);
7741
7742       if (gi == NULL)
7743         Fail("cannot create gadget");
7744
7745       level_editor_gadget[id] = gi;
7746       right_gadget_border[id] =
7747         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7748
7749       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7750
7751       if (j == 0)
7752       {
7753         int font_type = FONT_INPUT_1;
7754         int font_type_active = FONT_INPUT_1_ACTIVE;
7755
7756         id = counterbutton_info[i].gadget_id_text;
7757
7758         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7759
7760         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7761         {
7762           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7763
7764           font_type = FONT_LEVEL_NUMBER;
7765           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7766
7767           x = DX + editor.input.level_number.x;
7768           y = DY + editor.input.level_number.y;
7769         }
7770         else
7771         {
7772           graphic = IMG_EDITOR_COUNTER_INPUT;
7773         }
7774
7775         gd = &graphic_info[graphic];
7776
7777         gd_x1 = gd->src_x;
7778         gd_y1 = gd->src_y;
7779         gd_x2 = gd->src_x + gd->active_xoffset;
7780         gd_y2 = gd->src_y + gd->active_yoffset;
7781
7782         gi = CreateGadget(GDI_CUSTOM_ID, id,
7783                           GDI_CUSTOM_TYPE_ID, type_id,
7784                           GDI_IMAGE_ID, graphic,
7785                           GDI_INFO_TEXT, "Enter counter value",
7786                           GDI_X, x,
7787                           GDI_Y, y,
7788                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
7789                           GDI_NUMBER_VALUE, 0,
7790                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
7791                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
7792                           GDI_TEXT_SIZE, 3,     // minimal counter text size
7793                           GDI_TEXT_FONT, font_type,
7794                           GDI_TEXT_FONT_ACTIVE, font_type_active,
7795                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7796                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7797                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7798                           GDI_DESIGN_WIDTH, gd->width,
7799                           GDI_EVENT_MASK, event_mask,
7800                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7801                           GDI_CALLBACK_ACTION, HandleCounterButtons,
7802                           GDI_END);
7803
7804         if (gi == NULL)
7805           Fail("cannot create gadget");
7806
7807         level_editor_gadget[id] = gi;
7808         right_gadget_border[id] =
7809           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7810
7811         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
7812       }
7813     }
7814   }
7815 }
7816
7817 static void CreateDrawingAreas(void)
7818 {
7819   int i;
7820
7821   // these values are not constant, but can change at runtime
7822   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
7823   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
7824
7825   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
7826   {
7827     struct GadgetInfo *gi;
7828     int id = drawingarea_info[i].gadget_id;
7829     int type_id = drawingarea_info[i].gadget_type_id;
7830     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
7831     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
7832     int area_xsize = drawingarea_info[i].area_xsize;
7833     int area_ysize = drawingarea_info[i].area_ysize;
7834     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
7835                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
7836     unsigned int event_mask =
7837       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
7838       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
7839
7840     if (type_id != i)
7841       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
7842
7843     // determine horizontal position to the right of specified gadget
7844     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
7845       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
7846            ED_DRAWINGAREA_TEXT_DISTANCE);
7847
7848     // determine horizontal offset for leading text
7849     if (drawingarea_info[i].text_left != NULL)
7850       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
7851
7852     gi = CreateGadget(GDI_CUSTOM_ID, id,
7853                       GDI_CUSTOM_TYPE_ID, type_id,
7854                       GDI_X, x,
7855                       GDI_Y, y,
7856                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
7857                       GDI_AREA_SIZE, area_xsize, area_ysize,
7858                       GDI_ITEM_SIZE, item_size, item_size,
7859                       GDI_EVENT_MASK, event_mask,
7860                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
7861                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
7862                       GDI_END);
7863
7864     if (gi == NULL)
7865       Fail("cannot create gadget");
7866
7867     level_editor_gadget[id] = gi;
7868     right_gadget_border[id] =
7869       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
7870   }
7871 }
7872
7873 static void CreateTextInputGadgets(void)
7874 {
7875   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
7876   int max_infotext_len = getMaxInfoTextLength();
7877   int i;
7878
7879   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
7880   {
7881     int gd_x1 = gd->src_x;
7882     int gd_y1 = gd->src_y;
7883     int gd_x2 = gd->src_x + gd->active_xoffset;
7884     int gd_y2 = gd->src_y + gd->active_yoffset;
7885     struct GadgetInfo *gi;
7886     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7887     char infotext[MAX_OUTPUT_LINESIZE + 1];
7888     int id = textinput_info[i].gadget_id;
7889     int type_id = textinput_info[i].gadget_type_id;
7890     int x, y;
7891
7892     if (type_id != i)
7893       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
7894
7895     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
7896     {
7897       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
7898       int border_size = gd->border_size;
7899       int font_nr = FONT_INPUT_1;
7900       int font_height = getFontHeight(font_nr);
7901       int xoffset = element_border + TILEX + element_border + 3 * border_size;
7902       int yoffset = element_border + (TILEY - font_height) / 2;
7903
7904       x = (editor.settings.element_name.x != -1 ?
7905            editor.settings.element_name.x :
7906            editor.settings.element_graphic.x + xoffset) - border_size;
7907       y = (editor.settings.element_name.y != -1 ?
7908            editor.settings.element_name.y :
7909            editor.settings.element_graphic.y + yoffset) - border_size;
7910     }
7911     else
7912     {
7913       x = ED_SETTINGS_X(textinput_info[i].x);
7914       y = ED_SETTINGS_Y(textinput_info[i].y);
7915     }
7916
7917     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
7918     infotext[max_infotext_len] = '\0';
7919
7920     gi = CreateGadget(GDI_CUSTOM_ID, id,
7921                       GDI_CUSTOM_TYPE_ID, type_id,
7922                       GDI_INFO_TEXT, infotext,
7923                       GDI_X, SX + x,
7924                       GDI_Y, SY + y,
7925                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
7926                       GDI_TEXT_VALUE, textinput_info[i].value,
7927                       GDI_TEXT_SIZE, textinput_info[i].size,
7928                       GDI_TEXT_FONT, FONT_INPUT_1,
7929                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7930                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7931                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7932                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7933                       GDI_DESIGN_WIDTH, gd->width,
7934                       GDI_EVENT_MASK, event_mask,
7935                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7936                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
7937                       GDI_END);
7938
7939     if (gi == NULL)
7940       Fail("cannot create gadget");
7941
7942     level_editor_gadget[id] = gi;
7943   }
7944 }
7945
7946 static void CreateTextAreaGadgets(void)
7947 {
7948   int max_infotext_len = getMaxInfoTextLength();
7949   int i;
7950
7951   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
7952   {
7953     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
7954     int gd_x1 = gd->src_x;
7955     int gd_y1 = gd->src_y;
7956     int gd_x2 = gd->src_x + gd->active_xoffset;
7957     int gd_y2 = gd->src_y + gd->active_yoffset;
7958     struct GadgetInfo *gi;
7959     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
7960     char infotext[MAX_OUTPUT_LINESIZE + 1];
7961     int id = textarea_info[i].gadget_id;
7962     int type_id = textarea_info[i].gadget_type_id;
7963     int area_xsize = textarea_info[i].xsize;
7964     int area_ysize = textarea_info[i].ysize;
7965
7966     if (type_id != i)
7967       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
7968
7969     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
7970     infotext[max_infotext_len] = '\0';
7971
7972     gi = CreateGadget(GDI_CUSTOM_ID, id,
7973                       GDI_CUSTOM_TYPE_ID, type_id,
7974                       GDI_INFO_TEXT, infotext,
7975                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
7976                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
7977                       GDI_TYPE, GD_TYPE_TEXT_AREA,
7978                       GDI_AREA_SIZE, area_xsize, area_ysize,
7979                       GDI_TEXT_FONT, FONT_INPUT_1,
7980                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7981                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7982                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7983                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7984                       GDI_DESIGN_WIDTH, gd->width,
7985                       GDI_EVENT_MASK, event_mask,
7986                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7987                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
7988                       GDI_END);
7989
7990     if (gi == NULL)
7991       Fail("cannot create gadget");
7992
7993     level_editor_gadget[id] = gi;
7994   }
7995 }
7996
7997 static void CreateSelectboxGadgets(void)
7998 {
7999   int max_infotext_len = getMaxInfoTextLength();
8000
8001   int i, j;
8002
8003   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8004   {
8005     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
8006     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
8007     int gd_x1 = gd->src_x;
8008     int gd_y1 = gd->src_y;
8009     int gd_x2 = gd->src_x + gd->active_xoffset;
8010     int gd_y2 = gd->src_y + gd->active_yoffset;
8011     int selectbox_button_xsize = gd2->width;
8012     struct GadgetInfo *gi;
8013     char infotext[MAX_OUTPUT_LINESIZE + 1];
8014     int id = selectbox_info[i].gadget_id;
8015     int type_id = selectbox_info[i].gadget_type_id;
8016     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
8017     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
8018     unsigned int event_mask =
8019       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8020
8021     if (type_id != i)
8022       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
8023
8024     if (selectbox_info[i].size == -1)   // dynamically determine size
8025     {
8026       // (we cannot use -1 for uninitialized values if we directly compare
8027       // with results from strlen(), because the '<' and '>' operation will
8028       // implicitely cast -1 to an unsigned integer value!)
8029       selectbox_info[i].size = 0;
8030
8031       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
8032         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
8033           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
8034
8035       selectbox_info[i].size++;         // add one character empty space
8036     }
8037
8038     // determine horizontal position to the right of specified gadget
8039     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
8040       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
8041            ED_GADGET_TEXT_DISTANCE);
8042
8043     // determine horizontal offset for leading text
8044     if (selectbox_info[i].text_left != NULL)
8045       x += getTextWidthForGadget(selectbox_info[i].text_left);
8046
8047     sprintf(infotext, "%s", selectbox_info[i].infotext);
8048     infotext[max_infotext_len] = '\0';
8049
8050     gi = CreateGadget(GDI_CUSTOM_ID, id,
8051                       GDI_CUSTOM_TYPE_ID, type_id,
8052                       GDI_INFO_TEXT, infotext,
8053                       GDI_X, x,
8054                       GDI_Y, y,
8055                       GDI_TYPE, GD_TYPE_SELECTBOX,
8056                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
8057                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
8058                       GDI_TEXT_SIZE, selectbox_info[i].size,
8059                       GDI_TEXT_FONT, FONT_INPUT_1,
8060                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8061                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
8062                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8063                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8064                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8065                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
8066                       GDI_DESIGN_WIDTH, gd->width,
8067                       GDI_EVENT_MASK, event_mask,
8068                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8069                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
8070                       GDI_END);
8071
8072     if (gi == NULL)
8073       Fail("cannot create gadget");
8074
8075     level_editor_gadget[id] = gi;
8076     right_gadget_border[id] =
8077       getRightGadgetBorder(gi, selectbox_info[i].text_right);
8078   }
8079 }
8080
8081 static void CreateTextbuttonGadgets(void)
8082 {
8083   int max_infotext_len = getMaxInfoTextLength();
8084   int i;
8085
8086   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
8087   {
8088     int id = textbutton_info[i].gadget_id;
8089     int type_id = textbutton_info[i].gadget_type_id;
8090     int is_tab_button =
8091       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
8092        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
8093     int graphic =
8094       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
8095     int gadget_distance =
8096       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
8097     struct GraphicInfo *gd = &graphic_info[graphic];
8098     int gd_x1 = gd->src_x;
8099     int gd_y1 = gd->src_y;
8100     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8101     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8102     int gd_x1a = gd->src_x + gd->active_xoffset;
8103     int gd_y1a = gd->src_y + gd->active_yoffset;
8104     int border_xsize = gd->border_size + gd->draw_xoffset;
8105     int border_ysize = gd->border_size;
8106     struct GadgetInfo *gi;
8107     unsigned int event_mask = GD_EVENT_RELEASED;
8108     char infotext[MAX_OUTPUT_LINESIZE + 1];
8109     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
8110     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
8111
8112     if (type_id != i)
8113       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
8114
8115     if (textbutton_info[i].size == -1)  // dynamically determine size
8116       textbutton_info[i].size = strlen(textbutton_info[i].text);
8117
8118     sprintf(infotext, "%s", textbutton_info[i].infotext);
8119     infotext[max_infotext_len] = '\0';
8120
8121     // determine horizontal position to the right of specified gadget
8122     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8123     {
8124       int gadget_id_align = textbutton_info[i].gadget_id_align;
8125
8126       x = right_gadget_border[gadget_id_align] + gadget_distance;
8127
8128       if (textbutton_info[i].y == -1)
8129         y = level_editor_gadget[gadget_id_align]->y;
8130     }
8131
8132     // determine horizontal offset for leading text
8133     if (textbutton_info[i].text_left != NULL)
8134       x += getTextWidthForGadget(textbutton_info[i].text_left);
8135
8136     gi = CreateGadget(GDI_CUSTOM_ID, id,
8137                       GDI_CUSTOM_TYPE_ID, type_id,
8138                       GDI_IMAGE_ID, graphic,
8139                       GDI_INFO_TEXT, infotext,
8140                       GDI_X, x,
8141                       GDI_Y, y,
8142                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
8143                       GDI_TEXT_VALUE, textbutton_info[i].text,
8144                       GDI_TEXT_SIZE, textbutton_info[i].size,
8145                       GDI_TEXT_FONT, FONT_INPUT_2,
8146                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
8147                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8148                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8149                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8150                       GDI_BORDER_SIZE, border_xsize, border_ysize,
8151                       GDI_DESIGN_WIDTH, gd->width,
8152                       GDI_DECORATION_SHIFTING, 1, 1,
8153                       GDI_EVENT_MASK, event_mask,
8154                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8155                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
8156                       GDI_END);
8157
8158     if (gi == NULL)
8159       Fail("cannot create gadget");
8160
8161     level_editor_gadget[id] = gi;
8162     right_gadget_border[id] =
8163       getRightGadgetBorder(gi, textbutton_info[i].text_right);
8164   }
8165 }
8166
8167 static void CreateGraphicbuttonGadgets(void)
8168 {
8169   struct GadgetInfo *gi;
8170   int i;
8171
8172   // create buttons for scrolling of drawing area and element list
8173   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
8174   {
8175     int id = graphicbutton_info[i].gadget_id;
8176     int type_id = graphicbutton_info[i].gadget_type_id;
8177     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
8178     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
8179     int graphic = graphicbutton_info[i].graphic;
8180     struct GraphicInfo *gd = &graphic_info[graphic];
8181     int gd_x1 = gd->src_x;
8182     int gd_y1 = gd->src_y;
8183     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8184     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8185     unsigned int event_mask = GD_EVENT_RELEASED;
8186
8187     if (type_id != i)
8188       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
8189
8190     // determine horizontal position to the right of specified gadget
8191     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8192       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
8193            ED_GADGET_TEXT_DISTANCE);
8194
8195     // determine horizontal offset for leading text
8196     if (graphicbutton_info[i].text_left != NULL)
8197       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8198
8199     gi = CreateGadget(GDI_CUSTOM_ID, id,
8200                       GDI_CUSTOM_TYPE_ID, type_id,
8201                       GDI_IMAGE_ID, graphic,
8202                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8203                       GDI_X, x,
8204                       GDI_Y, y,
8205                       GDI_WIDTH, gd->width,
8206                       GDI_HEIGHT, gd->height,
8207                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8208                       GDI_STATE, GD_BUTTON_UNPRESSED,
8209                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8210                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8211                       GDI_EVENT_MASK, event_mask,
8212                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8213                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8214                       GDI_END);
8215
8216     if (gi == NULL)
8217       Fail("cannot create gadget");
8218
8219     level_editor_gadget[id] = gi;
8220     right_gadget_border[id] =
8221       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8222   }
8223 }
8224
8225 static void CreateScrollbarGadgets(void)
8226 {
8227   int i;
8228
8229   // these values are not constant, but can change at runtime
8230   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8231     SX + ED_SCROLL_HORIZONTAL_XPOS;
8232   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8233     SY + ED_SCROLL_HORIZONTAL_YPOS;
8234   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8235     ED_SCROLL_HORIZONTAL_XSIZE;
8236   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8237     ED_SCROLL_HORIZONTAL_YSIZE;
8238   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8239   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8240   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8241   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8242
8243   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8244     SX + ED_SCROLL_VERTICAL_XPOS;
8245   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8246     SY + ED_SCROLL_VERTICAL_YPOS;
8247   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8248     ED_SCROLL_VERTICAL_XSIZE;
8249   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8250     ED_SCROLL_VERTICAL_YSIZE;
8251   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8252   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8253   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8254   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8255
8256   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8257     PX + ED_SCROLL2_VERTICAL_XPOS;
8258   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8259     PY + ED_SCROLL2_VERTICAL_YPOS;
8260   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8261     ED_SCROLL2_VERTICAL_XSIZE;
8262   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8263     ED_SCROLL2_VERTICAL_YSIZE;
8264   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8265   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8266   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8267   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8268
8269   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8270   {
8271     int id = scrollbar_info[i].gadget_id;
8272     int type_id = scrollbar_info[i].gadget_type_id;
8273     int graphic = scrollbar_info[i].graphic;
8274     struct GraphicInfo *gd = &graphic_info[graphic];
8275     int gd_x1 = gd->src_x;
8276     int gd_y1 = gd->src_y;
8277     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8278     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8279     struct GadgetInfo *gi;
8280     int items_max, items_visible, item_position;
8281     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8282
8283     if (type_id != i)
8284       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8285
8286     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8287     {
8288       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8289       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8290       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8291     }
8292     else        // drawing area scrollbars
8293     {
8294       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8295       {
8296         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8297         items_visible = ed_fieldx;
8298         item_position = 0;
8299       }
8300       else
8301       {
8302         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8303         items_visible = ed_fieldy;
8304         item_position = 0;
8305       }
8306     }
8307
8308     gi = CreateGadget(GDI_CUSTOM_ID, id,
8309                       GDI_CUSTOM_TYPE_ID, type_id,
8310                       GDI_IMAGE_ID, graphic,
8311                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8312                       GDI_X, scrollbar_pos[i].x,
8313                       GDI_Y, scrollbar_pos[i].y,
8314                       GDI_WIDTH, scrollbar_pos[i].width,
8315                       GDI_HEIGHT, scrollbar_pos[i].height,
8316                       GDI_TYPE, scrollbar_info[i].type,
8317                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8318                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8319                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8320                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8321                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8322                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8323                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8324                       GDI_STATE, GD_BUTTON_UNPRESSED,
8325                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8326                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8327                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8328                       GDI_EVENT_MASK, event_mask,
8329                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8330                       GDI_CALLBACK_ACTION, HandleControlButtons,
8331                       GDI_END);
8332
8333     if (gi == NULL)
8334       Fail("cannot create gadget");
8335
8336     level_editor_gadget[id] = gi;
8337   }
8338 }
8339
8340 static void CreateCheckbuttonGadgets(void)
8341 {
8342   struct GadgetInfo *gi;
8343   int i;
8344
8345   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8346   {
8347     int id = checkbutton_info[i].gadget_id;
8348     int type_id = checkbutton_info[i].gadget_type_id;
8349     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8350                    IMG_EDITOR_CHECKBOX);
8351     struct GraphicInfo *gd = &graphic_info[graphic];
8352     int gd_x1 = gd->src_x;
8353     int gd_y1 = gd->src_y;
8354     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8355     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8356     int gd_x1a = gd->src_x + gd->active_xoffset;
8357     int gd_y1a = gd->src_y + gd->active_yoffset;
8358     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8359     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8360     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8361     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8362     unsigned int event_mask = GD_EVENT_PRESSED;
8363
8364     if (type_id != i)
8365       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8366
8367     // determine horizontal position to the right of specified gadget
8368     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8369       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8370            ED_GADGET_TEXT_DISTANCE);
8371
8372     // determine horizontal offset for leading text
8373     if (checkbutton_info[i].text_left != NULL)
8374       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8375
8376     gi = CreateGadget(GDI_CUSTOM_ID, id,
8377                       GDI_CUSTOM_TYPE_ID, type_id,
8378                       GDI_IMAGE_ID, graphic,
8379                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8380                       GDI_X, x,
8381                       GDI_Y, y,
8382                       GDI_WIDTH, gd->width,
8383                       GDI_HEIGHT, gd->height,
8384                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8385                       GDI_CHECKED, *checkbutton_info[i].value,
8386                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8387                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8388                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8389                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8390                       GDI_EVENT_MASK, event_mask,
8391                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8392                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8393                       GDI_END);
8394
8395     if (gi == NULL)
8396       Fail("cannot create gadget");
8397
8398     level_editor_gadget[id] = gi;
8399     right_gadget_border[id] =
8400       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8401   }
8402 }
8403
8404 static void CreateRadiobuttonGadgets(void)
8405 {
8406   int graphic = IMG_EDITOR_RADIOBUTTON;
8407   struct GraphicInfo *gd = &graphic_info[graphic];
8408   int gd_x1 = gd->src_x;
8409   int gd_y1 = gd->src_y;
8410   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8411   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8412   int gd_x1a = gd->src_x + gd->active_xoffset;
8413   int gd_y1a = gd->src_y + gd->active_yoffset;
8414   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8415   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8416   struct GadgetInfo *gi;
8417   int i;
8418
8419   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8420   {
8421     int id = radiobutton_info[i].gadget_id;
8422     int type_id = radiobutton_info[i].gadget_type_id;
8423     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8424     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8425     unsigned int event_mask = GD_EVENT_PRESSED;
8426
8427     if (type_id != i)
8428       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8429
8430     int checked =
8431       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8432
8433     // determine horizontal position to the right of specified gadget
8434     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8435       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8436            ED_GADGET_TEXT_DISTANCE);
8437
8438     // determine horizontal offset for leading text
8439     if (radiobutton_info[i].text_left != NULL)
8440       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8441
8442     gi = CreateGadget(GDI_CUSTOM_ID, id,
8443                       GDI_CUSTOM_TYPE_ID, type_id,
8444                       GDI_IMAGE_ID, graphic,
8445                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8446                       GDI_X, x,
8447                       GDI_Y, y,
8448                       GDI_WIDTH, gd->width,
8449                       GDI_HEIGHT, gd->height,
8450                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8451                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8452                       GDI_CHECKED, checked,
8453                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8454                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8455                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8456                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8457                       GDI_EVENT_MASK, event_mask,
8458                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8459                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8460                       GDI_END);
8461
8462     if (gi == NULL)
8463       Fail("cannot create gadget");
8464
8465     level_editor_gadget[id] = gi;
8466     right_gadget_border[id] =
8467       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8468   }
8469 }
8470
8471 void CreateLevelEditorGadgets(void)
8472 {
8473   // force EDITOR font inside level editor
8474   SetFontStatus(GAME_MODE_EDITOR);
8475
8476   // these values are not constant, but can change at runtime
8477   ed_fieldx = MAX_ED_FIELDX - 1;
8478   ed_fieldy = MAX_ED_FIELDY - 1;
8479
8480   num_editor_gadgets = NUM_EDITOR_GADGETS;
8481
8482   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8483
8484   level_editor_gadget =
8485     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8486   right_gadget_border =
8487     checked_calloc(num_editor_gadgets * sizeof(int));
8488
8489   // set number of empty (padding) element buttons to maximum number of buttons
8490   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8491
8492   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8493   editor_el_empty_ptr = editor_el_empty;
8494
8495   use_permanent_palette = !editor.palette.show_as_separate_screen;
8496
8497   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8498
8499   ReinitializeElementList();
8500
8501   CreateControlButtons();
8502   CreateScrollbarGadgets();
8503
8504   // order of function calls is important because of cross-references
8505   CreateCheckbuttonGadgets();
8506   CreateCounterButtons();
8507   CreateRadiobuttonGadgets();
8508   CreateTextInputGadgets();
8509   CreateTextAreaGadgets();
8510   CreateSelectboxGadgets();
8511   CreateGraphicbuttonGadgets();
8512   CreateTextbuttonGadgets();
8513   CreateDrawingAreas();
8514
8515   ResetFontStatus();
8516 }
8517
8518 void FreeLevelEditorGadgets(void)
8519 {
8520   int i;
8521
8522   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8523
8524   for (i = 0; i < num_editor_gadgets; i++)
8525   {
8526     FreeGadget(level_editor_gadget[i]);
8527
8528     level_editor_gadget[i] = NULL;
8529   }
8530
8531   checked_free(level_editor_gadget);
8532   checked_free(right_gadget_border);
8533
8534   checked_free(editor_el_empty);
8535 }
8536
8537 static void MapCounterButtons(int id)
8538 {
8539   int font_nr = FONT_TEXT_1;
8540   int font_height = getFontHeight(font_nr);
8541   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8542   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8543   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8544   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8545   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8546   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8547   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8548   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8549   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8550   int yoffset = (gi_down->height - font_height) / 2;
8551   int x_left = gi_down->x - xoffset_left;
8552   int x_right;  // set after gadget position was modified
8553   int y_above = gi_down->y - yoffset_above;
8554   int x = gi_down->x;
8555   int y;        // set after gadget position was modified
8556
8557   // counter limits must be changed first to prevent value truncation
8558   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8559                             counterbutton_info[id].max_value);
8560
8561   // right text position might have changed after setting position above
8562   x_right = gi_up->x + gi_up->width + xoffset_right;
8563
8564   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8565
8566   // set position for counter gadgets with dynamically determined position
8567   if (id != ED_COUNTER_ID_SELECT_LEVEL)
8568   {
8569     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8570     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8571     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8572   }
8573
8574   // vertical position might have changed after setting position above
8575   y = gi_up->y + yoffset;
8576
8577   if (counterbutton_info[id].text_above)
8578     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8579
8580   if (counterbutton_info[id].text_left)
8581     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8582
8583   if (counterbutton_info[id].text_right)
8584     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8585
8586   MapGadget(gi_down);
8587   MapGadget(gi_text);
8588   MapGadget(gi_up);
8589 }
8590
8591 static void MapControlButtons(void)
8592 {
8593   int counter_id;
8594   int i;
8595
8596   // map toolbox buttons (excluding special CE toolbox buttons)
8597   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8598     MapGadget(level_editor_gadget[i]);
8599
8600   // map toolbox buttons (element properties buttons)
8601   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8602     MapGadget(level_editor_gadget[i]);
8603
8604   if (use_permanent_palette)
8605   {
8606     // map buttons to select elements
8607     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8608       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8609     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8610     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8611     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8612   }
8613
8614   // map buttons to select level
8615   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8616   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8617   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8618   MapCounterButtons(counter_id);
8619 }
8620
8621 static void MapDrawingArea(int id)
8622 {
8623   int font_nr = FONT_TEXT_1;
8624   int font_height = getFontHeight(font_nr);
8625   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8626   int area_xsize = gi->drawing.area_xsize;
8627   int area_ysize = gi->drawing.area_ysize;
8628   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8629   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8630   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
8631   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8632   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8633   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8634   int y_side  = gi->y + (gi->height - font_height) / 2;
8635   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8636   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8637
8638   if (drawingarea_info[id].text_left)
8639     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8640
8641   if (drawingarea_info[id].text_right)
8642     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8643
8644   if (drawingarea_info[id].text_above)
8645     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8646
8647   if (drawingarea_info[id].text_below)
8648     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8649
8650   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8651   {
8652     DrawElementBorder(gi->x, gi->y,
8653                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8654                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8655
8656     DrawDrawingArea(id);
8657   }
8658
8659   MapGadget(gi);
8660 }
8661
8662 static void MapTextInputGadget(int id)
8663 {
8664   int font_nr = FONT_TEXT_1;
8665   int font_height = getFontHeight(font_nr);
8666   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8667   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8668   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8669   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8670
8671   if (textinput_info[id].text_above)
8672     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8673
8674   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8675
8676   MapGadget(gi);
8677 }
8678
8679 static void MapTextAreaGadget(int id)
8680 {
8681   int font_nr = FONT_TEXT_1;
8682   int font_height = getFontHeight(font_nr);
8683   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8684   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8685   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8686   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8687   char *text_above = textarea_info[id].text_above;
8688
8689   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8690     text_above = textarea_info[id].text_above_cropped;
8691
8692   if (text_above)
8693     DrawTextS(x_above, y_above, font_nr, text_above);
8694
8695   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8696
8697   MapGadget(gi);
8698 }
8699
8700 static void MapSelectboxGadget(int id)
8701 {
8702   int font_nr = FONT_TEXT_1;
8703   int font_height = getFontHeight(font_nr);
8704   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8705   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8706   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8707   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8708   int yoffset = (gi->height - font_height) / 2;
8709   int x_left = gi->x - xoffset_left;
8710   int x_right = gi->x + gi->width + xoffset_right;
8711   int y_above = gi->y - yoffset_above;
8712   int x = gi->x;
8713   int y = gi->y + yoffset;
8714
8715   if (selectbox_info[id].text_above)
8716     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8717
8718   if (selectbox_info[id].text_left)
8719     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8720
8721   if (selectbox_info[id].text_right)
8722     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8723
8724   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8725
8726   MapGadget(gi);
8727 }
8728
8729 static void MapTextbuttonGadget(int id)
8730 {
8731   int font_nr = FONT_TEXT_1;
8732   int font_height = getFontHeight(font_nr);
8733   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8734   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8735   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8736   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8737   int yoffset = (gi->height - font_height) / 2;
8738   int x_left = gi->x - xoffset_left;
8739   int x_right = gi->x + gi->width + xoffset_right;
8740   int y_above = gi->y - yoffset_above;
8741   int x = gi->x;
8742   int y = gi->y + yoffset;
8743
8744   // only show button to delete change pages when more than minimum pages
8745   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8746       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8747     return;
8748
8749   if (textbutton_info[id].text_above)
8750     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8751
8752   if (textbutton_info[id].text_left)
8753     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8754
8755   if (textbutton_info[id].text_right)
8756     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8757
8758   MapGadget(gi);
8759 }
8760
8761 static void MapGraphicbuttonGadget(int id)
8762 {
8763   int font_nr = FONT_TEXT_1;
8764   int font_height = getFontHeight(font_nr);
8765   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8766   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8767   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8768   int yoffset = (gi->height - font_height) / 2;
8769   int x_left = gi->x - xoffset_left;
8770   int x_right = gi->x + gi->width + xoffset_right;
8771   int y = gi->y + yoffset;
8772
8773   if (graphicbutton_info[id].text_left)
8774     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8775
8776   if (graphicbutton_info[id].text_right)
8777     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8778
8779   MapGadget(gi);
8780 }
8781
8782 static void MapRadiobuttonGadget(int id)
8783 {
8784   int font_nr = FONT_TEXT_1;
8785   int font_height = getFontHeight(font_nr);
8786   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
8787   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8788   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8789   int yoffset = (gi->height - font_height) / 2;
8790   int x_left = gi->x - xoffset_left;
8791   int x_right = gi->x + gi->width + xoffset_right;
8792   int y = gi->y + yoffset;
8793   boolean checked =
8794     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
8795
8796   if (radiobutton_info[id].text_left)
8797     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
8798
8799   if (radiobutton_info[id].text_right)
8800     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
8801
8802   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
8803
8804   MapGadget(gi);
8805 }
8806
8807 static void MapCheckbuttonGadget(int id)
8808 {
8809   int font_nr = FONT_TEXT_1;
8810   int font_height = getFontHeight(font_nr);
8811   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
8812   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8813   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8814   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8815   int yoffset = (gi->height - font_height) / 2;
8816   int y_above = gi->y - yoffset_above;
8817   int x = gi->x;
8818   int x_left, x_right, y;       // set after gadget position was modified
8819
8820   // set position for gadgets with dynamically determined position
8821   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
8822     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
8823   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
8824
8825   x_left = gi->x - xoffset_left;
8826   x_right = gi->x + gi->width + xoffset_right;
8827   y = gi->y + yoffset;
8828
8829   if (checkbutton_info[id].text_above)
8830     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
8831
8832   if (checkbutton_info[id].text_left)
8833     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
8834
8835   if (checkbutton_info[id].text_right)
8836     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
8837
8838   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
8839
8840   MapGadget(gi);
8841 }
8842
8843 static void MapMainDrawingArea(void)
8844 {
8845   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
8846   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
8847   int i;
8848
8849   if (suppressBorderElement())
8850   {
8851     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
8852     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
8853   }
8854
8855   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
8856   {
8857     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
8858           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
8859          no_horizontal_scrollbar) ||
8860         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
8861           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
8862          no_vertical_scrollbar))
8863       continue;
8864
8865     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
8866   }
8867
8868   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
8869   {
8870     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
8871         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
8872       continue;
8873
8874     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
8875   }
8876
8877   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
8878 }
8879
8880 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
8881 {
8882   int i;
8883
8884   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8885   {
8886     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
8887         i == GADGET_ID_CUSTOM_COPY_TO ||
8888         i == GADGET_ID_CUSTOM_EXCHANGE ||
8889         i == GADGET_ID_CUSTOM_COPY ||
8890         i == GADGET_ID_CUSTOM_PASTE)
8891     {
8892       if (map)
8893         MapGadget(level_editor_gadget[i]);
8894       else
8895         UnmapGadget(level_editor_gadget[i]);
8896     }
8897   }
8898 }
8899
8900 static void MapLevelEditorToolboxCustomGadgets(void)
8901 {
8902   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
8903 }
8904
8905 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
8906 {
8907   if (IS_CUSTOM_ELEMENT(properties_element) ||
8908       IS_GROUP_ELEMENT(properties_element) ||
8909       IS_EMPTY_ELEMENT(properties_element))
8910     MapLevelEditorToolboxCustomGadgets();
8911 }
8912
8913 static void UnmapLevelEditorToolboxCustomGadgets(void)
8914 {
8915   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
8916 }
8917
8918 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
8919 {
8920   int i;
8921
8922   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
8923   {
8924     if (i != GADGET_ID_SINGLE_ITEMS &&
8925         i != GADGET_ID_PICK_ELEMENT)
8926     {
8927       struct GadgetInfo *gi = level_editor_gadget[i];
8928
8929       if (map)
8930       {
8931         MapGadget(gi);
8932       }
8933       else
8934       {
8935         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
8936         struct GraphicInfo *gd = &graphic_info[graphic];
8937
8938         UnmapGadget(gi);
8939
8940         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
8941                    gi->width, gi->height, gi->x, gi->y);
8942
8943         redraw_mask |= REDRAW_DOOR_3;
8944       }
8945     }
8946   }
8947 }
8948
8949 static void MapLevelEditorToolboxDrawingGadgets(void)
8950 {
8951   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
8952 }
8953
8954 static void UnmapLevelEditorToolboxDrawingGadgets(void)
8955 {
8956   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
8957 }
8958
8959 static void UnmapDrawingArea(int id)
8960 {
8961   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
8962 }
8963
8964 static void UnmapLevelEditorFieldGadgets(void)
8965 {
8966   int i;
8967
8968   for (i = 0; i < num_editor_gadgets; i++)
8969     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
8970                           level_editor_gadget[i]->y))
8971       UnmapGadget(level_editor_gadget[i]);
8972 }
8973
8974 void UnmapLevelEditorGadgets(void)
8975 {
8976   int i;
8977
8978   for (i = 0; i < num_editor_gadgets; i++)
8979     UnmapGadget(level_editor_gadget[i]);
8980 }
8981
8982 static void ResetUndoBuffer(void)
8983 {
8984   undo_buffer_position = -1;
8985   undo_buffer_steps = -1;
8986   redo_buffer_steps = 0;
8987
8988   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8989
8990   level.changed = FALSE;
8991 }
8992
8993 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
8994 {
8995   if (remap_toolbox_gadgets)
8996   {
8997     ModifyEditorElementList();
8998     RedrawDrawingElements();
8999   }
9000
9001   if (edit_mode == ED_MODE_LEVELCONFIG)
9002     DrawLevelConfigWindow();
9003   else if (edit_mode == ED_MODE_PROPERTIES)
9004     DrawPropertiesWindow();
9005   else if (edit_mode == ED_MODE_PALETTE)
9006     DrawPaletteWindow();
9007   else  // edit_mode == ED_MODE_DRAWING
9008     DrawDrawingWindowExt(remap_toolbox_gadgets);
9009 }
9010
9011 static void DrawEditModeWindow(void)
9012 {
9013   DrawEditModeWindowExt(TRUE);
9014 }
9015
9016 static void DrawEditModeWindow_PlayfieldOnly(void)
9017 {
9018   DrawEditModeWindowExt(FALSE);
9019 }
9020
9021 static void ChangeEditModeWindow(int new_edit_mode)
9022 {
9023   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
9024
9025   DrawEditModeWindow();
9026 }
9027
9028 static boolean LevelChanged(void)
9029 {
9030   boolean field_changed = FALSE;
9031   int x, y;
9032
9033   for (y = 0; y < lev_fieldy; y++)
9034     for (x = 0; x < lev_fieldx; x++)
9035       if (Tile[x][y] != level.field[x][y])
9036         field_changed = TRUE;
9037
9038   return (level.changed || field_changed);
9039 }
9040
9041 static boolean PrepareSavingIntoPersonalLevelSet(void)
9042 {
9043   static LevelDirTree *last_copied_leveldir = NULL;
9044   static LevelDirTree *last_written_leveldir = NULL;
9045   static int last_copied_level_nr = -1;
9046   static int last_written_level_nr = -1;
9047   LevelDirTree *leveldir_former = leveldir_current;
9048   int level_nr_former = level_nr;
9049   int new_level_nr;
9050
9051   // remember last mod/save so that for current session, we write
9052   // back to the same personal copy, asking only about overwrite.
9053   if (leveldir_current == last_copied_leveldir &&
9054       level_nr == last_copied_level_nr)
9055   {
9056     // "cd" to personal level set dir (as used when writing last copy)
9057     leveldir_current = last_written_leveldir;
9058     level_nr = last_written_level_nr;
9059
9060     return TRUE;
9061   }
9062
9063   if (!Request("This level is read-only! "
9064                "Save into personal level set?", REQ_ASK))
9065     return FALSE;
9066
9067   // "cd" to personal level set dir (for writing copy the first time)
9068   leveldir_current =
9069     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
9070
9071   // this may happen if "setup.internal.create_user_levelset" is FALSE
9072   // or if file "levelinfo.conf" is missing in personal user level set
9073   if (leveldir_current == NULL)
9074   {
9075     Request("Cannot find personal level set?!", REQ_CONFIRM);
9076
9077     leveldir_current = leveldir_former;
9078
9079     return FALSE;
9080   }
9081
9082   // find unused level number
9083   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
9084   {
9085     static char *level_filename = NULL;
9086
9087     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
9088
9089     if (!fileExists(level_filename))
9090       break;
9091   }
9092
9093   last_copied_leveldir = leveldir_former;
9094   last_copied_level_nr = level_nr_former;
9095
9096   last_written_leveldir = leveldir_current;
9097   last_written_level_nr = level_nr = new_level_nr;
9098
9099   return TRUE;
9100 }
9101
9102 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
9103 {
9104   static char *filename_levelinfo = NULL, *mod_name = NULL;
9105   FILE *file;
9106
9107   // annotate this copy-and-mod in personal levelinfo.conf
9108   setString(&filename_levelinfo,
9109             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
9110
9111   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
9112   {
9113     fprintf(file, "\n");
9114     fprintf(file, "# level %d was modified from:\n", level_nr);
9115     fprintf(file, "# - previous level set name:    %s\n",
9116             former_name);
9117     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
9118             level.file_info.nr, level.name);
9119     fprintf(file, "# - previous author:            %s\n",
9120             level.author);
9121     fprintf(file, "# - previous save date:         ");
9122
9123     if (level.creation_date.src == DATE_SRC_LEVELFILE)
9124     {
9125       fprintf(file, "%04d-%02d-%02d\n",
9126               level.creation_date.year,
9127               level.creation_date.month,
9128               level.creation_date.day);
9129     }
9130     else
9131     {
9132       fprintf(file, "not recorded\n");
9133     }
9134
9135     fclose(file);
9136   }
9137
9138   if (level_nr > leveldir_current->last_level)
9139     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
9140
9141   // else: allow the save even if annotation failed
9142
9143   // now... spray graffiti on the old level vital statistics
9144   // user can change these; just trying to set a good baseline
9145
9146   // don't truncate names for fear of making offensive or silly:
9147   // long-named original author only recorded in levelinfo.conf.
9148   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
9149   if (!strEqual(level.author, leveldir_current->author))
9150   {
9151     setString(&mod_name, getStringCat3(leveldir_current->author,
9152                                        " after ", level.author));
9153
9154     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9155       setString(&mod_name,
9156                 getStringCat2(leveldir_current->author, " (ed.)"));
9157
9158     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9159       setString(&mod_name, leveldir_current->author);
9160
9161     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
9162
9163     // less worried about truncation here
9164     setString(&mod_name, getStringCat2("Mod: ", level.name));
9165     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
9166   }
9167 }
9168
9169 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
9170                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
9171 {
9172   int x, y;
9173
9174   for (x = 0; x < lev_fieldx; x++)
9175     for (y = 0; y < lev_fieldy; y++)
9176       dst[x][y] = src[x][y];
9177 }
9178
9179 static int setSelectboxValue(int selectbox_id, int new_value)
9180 {
9181   int new_index_value = 0;
9182   int i;
9183
9184   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
9185     if (selectbox_info[selectbox_id].options[i].value == new_value)
9186       new_index_value = i;
9187
9188   *selectbox_info[selectbox_id].value =
9189     selectbox_info[selectbox_id].options[new_index_value].value;
9190
9191   return new_index_value;
9192 }
9193
9194 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9195 {
9196   int i;
9197
9198   // change action mode and arg variables according to action type variable
9199   for (i = 0; action_arg_options[i].value != -1; i++)
9200   {
9201     if (action_arg_options[i].value == custom_element_change.action_type)
9202     {
9203       int mode = action_arg_options[i].mode;
9204
9205       // only change if corresponding selectbox has changed
9206       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9207           action_arg_modes[mode])
9208         custom_element_change.action_mode = -1;
9209
9210       // only change if corresponding selectbox has changed
9211       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9212           action_arg_options[i].options)
9213         custom_element_change.action_arg = -1;
9214
9215       break;
9216     }
9217   }
9218 }
9219
9220 static void setSelectboxSpecialActionOptions(void)
9221 {
9222   int i;
9223
9224   // change action mode and arg selectbox according to action type selectbox
9225   for (i = 0; action_arg_options[i].value != -1; i++)
9226   {
9227     if (action_arg_options[i].value == custom_element_change.action_type)
9228     {
9229       int mode = action_arg_options[i].mode;
9230
9231       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9232                                    action_arg_modes[mode]);
9233       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9234                                  custom_element_change.action_mode);
9235
9236       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9237                                    action_arg_options[i].options);
9238       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9239                                  custom_element_change.action_arg);
9240       break;
9241     }
9242   }
9243 }
9244
9245 static void copy_custom_element_settings(int element_from, int element_to)
9246 {
9247   struct ElementInfo *ei_from = &element_info[element_from];
9248   struct ElementInfo *ei_to = &element_info[element_to];
9249
9250   copyElementInfo(ei_from, ei_to);
9251 }
9252
9253 static void replace_custom_element_in_settings(int element_from,
9254                                                int element_to)
9255 {
9256   int i, j, x, y;
9257
9258   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9259   {
9260     struct ElementInfo *ei = &element_info[i];
9261
9262     for (y = 0; y < 3; y++)
9263       for (x = 0; x < 3; x++)
9264         if (ei->content.e[x][y] == element_from)
9265           ei->content.e[x][y] = element_to;
9266
9267     for (j = 0; j < ei->num_change_pages; j++)
9268     {
9269       struct ElementChangeInfo *change = &ei->change_page[j];
9270
9271       if (change->target_element == element_from)
9272         change->target_element = element_to;
9273
9274       if (change->initial_trigger_element == element_from)
9275         change->initial_trigger_element = element_to;
9276
9277       if (change->action_element == element_from)
9278         change->action_element = element_to;
9279
9280       for (y = 0; y < 3; y++)
9281         for (x = 0; x < 3; x++)
9282           if (change->target_content.e[x][y] == element_from)
9283             change->target_content.e[x][y] = element_to;
9284     }
9285
9286     if (ei->group != NULL)                              // group or internal
9287       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9288         if (ei->group->element[j] == element_from)
9289           ei->group->element[j] = element_to;
9290   }
9291 }
9292
9293 static void replace_custom_element_in_playfield(int element_from,
9294                                                 int element_to)
9295 {
9296   int x, y;
9297
9298   for (x = 0; x < lev_fieldx; x++)
9299     for (y = 0; y < lev_fieldy; y++)
9300       if (Tile[x][y] == element_from)
9301         Tile[x][y] = element_to;
9302 }
9303
9304 static boolean CopyCustomElement(int element_old, int element_new,
9305                                  int copy_mode)
9306 {
9307   int copy_mode_orig = copy_mode;
9308
9309   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9310   {
9311     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9312                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9313     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9314   }
9315   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9316   {
9317     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9318                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9319     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9320
9321     level.changed = TRUE;
9322   }
9323   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9324   {
9325     Request("Please choose custom element!", REQ_CONFIRM);
9326
9327     return FALSE;
9328   }
9329   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9330   {
9331     Request("Please choose group element!", REQ_CONFIRM);
9332
9333     return FALSE;
9334   }
9335   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9336   {
9337     Request("Please choose empty element!", REQ_CONFIRM);
9338
9339     return FALSE;
9340   }
9341   else
9342   {
9343     level.changed = TRUE;
9344   }
9345
9346   // when modifying custom/group element, ask for copying level template
9347   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9348   {
9349     if (!AskToCopyAndModifyLevelTemplate())
9350       return FALSE;
9351   }
9352
9353   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9354   {
9355     copy_custom_element_settings(element_new, element_old);
9356   }
9357   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9358   {
9359     copy_custom_element_settings(element_old, element_new);
9360   }
9361   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9362   {
9363     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9364     copy_custom_element_settings(element_new, element_old);
9365     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9366
9367     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9368     replace_custom_element_in_settings(element_new, element_old);
9369     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9370
9371     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9372     replace_custom_element_in_playfield(element_new, element_old);
9373     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9374   }
9375
9376   UpdateCustomElementGraphicGadgets();
9377   DrawPropertiesWindow();
9378
9379   return TRUE;
9380 }
9381
9382 static void CopyCustomElementPropertiesToEditor(int element)
9383 {
9384   int i;
9385   int current_change_page = element_info[element].current_change_page;
9386
9387   // dynamically (re)build selectbox for selecting change page
9388   for (i = 0; i < element_info[element].num_change_pages; i++)
9389   {
9390     sprintf(options_change_page_strings[i], "%d", i + 1);
9391
9392     options_change_page[i].value = i;
9393     options_change_page[i].text = options_change_page_strings[i];
9394   }
9395
9396   options_change_page[i].value = -1;
9397   options_change_page[i].text = NULL;
9398
9399   // needed here to initialize combined element properties
9400   InitElementPropertiesEngine(level.game_version);
9401
9402   element_info[element].change =
9403     &element_info[element].change_page[current_change_page];
9404
9405   custom_element = element_info[element];
9406   custom_element_change = *element_info[element].change;
9407
9408   // needed to initially set selectbox options for special action options
9409   setSelectboxSpecialActionOptions();
9410
9411   // needed to initially set selectbox value variables to reliable defaults
9412   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9413     setSelectboxValue(i, *selectbox_info[i].value);
9414
9415   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9416     custom_element_properties[i] = HAS_PROPERTY(element, i);
9417
9418   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9419     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9420
9421   // ---------- element settings: configure (custom elements) -----------------
9422
9423   // set accessible layer selectbox help value
9424   custom_element.access_type =
9425     (IS_WALKABLE(element) ? EP_WALKABLE :
9426      IS_PASSABLE(element) ? EP_PASSABLE :
9427      custom_element.access_type);
9428   custom_element.access_layer =
9429     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9430      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9431      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9432      custom_element.access_layer);
9433   custom_element.access_protected =
9434     (IS_PROTECTED(element) ? 1 : 0);
9435   custom_element_properties[EP_ACCESSIBLE] =
9436     (IS_ACCESSIBLE_OVER(element) ||
9437      IS_ACCESSIBLE_INSIDE(element) ||
9438      IS_ACCESSIBLE_UNDER(element));
9439
9440   // set walk-to-object action selectbox help value
9441   custom_element.walk_to_action =
9442     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9443      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9444      IS_DROPPABLE(element) ? EP_DROPPABLE :
9445      IS_THROWABLE(element) ? EP_THROWABLE :
9446      IS_PUSHABLE(element) ? EP_PUSHABLE :
9447      custom_element.walk_to_action);
9448   custom_element_properties[EP_WALK_TO_OBJECT] =
9449     (IS_DIGGABLE(element) ||
9450      IS_COLLECTIBLE_ONLY(element) ||
9451      IS_DROPPABLE(element) ||
9452      IS_THROWABLE(element) ||
9453      IS_PUSHABLE(element));
9454
9455   // set smash targets selectbox help value
9456   custom_element.smash_targets =
9457     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9458      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9459      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9460      custom_element.smash_targets);
9461   custom_element_properties[EP_CAN_SMASH] =
9462     (CAN_SMASH_EVERYTHING(element) ||
9463      CAN_SMASH_ENEMIES(element) ||
9464      CAN_SMASH_PLAYER(element));
9465
9466   // set deadliness selectbox help value
9467   custom_element.deadliness =
9468     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9469      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9470      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9471      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9472      custom_element.deadliness);
9473   custom_element_properties[EP_DEADLY] =
9474     (DONT_TOUCH(element) ||
9475      DONT_GET_HIT_BY(element) ||
9476      DONT_COLLIDE_WITH(element) ||
9477      DONT_RUN_INTO(element));
9478
9479   // ---------- element settings: advanced (custom elements) ------------------
9480
9481   // set "change by direct action" selectbox help value
9482   custom_element_change.direct_action =
9483     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9484      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9485      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9486      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9487      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9488      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9489      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9490      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9491      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9492      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9493      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9494      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9495      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9496      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9497      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9498      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9499      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9500      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9501      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9502      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9503      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9504      custom_element_change.direct_action);
9505
9506   // set "change by other element action" selectbox help value
9507   custom_element_change.other_action =
9508     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9509      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9510      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9511      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9512      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9513      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9514      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9515      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9516      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9517      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9518      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9519      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9520      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9521      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9522      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9523      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9524      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9525      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9526      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9527      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9528      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9529      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9530      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9531      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9532      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9533      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9534      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9535      custom_element_change.other_action);
9536 }
9537
9538 static void CopyGroupElementPropertiesToEditor(int element)
9539 {
9540   group_element_info = *element_info[element].group;
9541   custom_element = element_info[element];       // needed for description
9542 }
9543
9544 static void CopyEmptyElementPropertiesToEditor(int element)
9545 {
9546   custom_element = element_info[element];
9547 }
9548
9549 static void CopyClassicElementPropertiesToEditor(int element)
9550 {
9551   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9552     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9553       getMoveIntoAcidProperty(&level, element);
9554
9555   if (MAYBE_DONT_COLLIDE_WITH(element))
9556     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9557       getDontCollideWithProperty(&level, element);
9558 }
9559
9560 static void CopyElementPropertiesToEditor(int element)
9561 {
9562   if (IS_CUSTOM_ELEMENT(element))
9563     CopyCustomElementPropertiesToEditor(element);
9564   else if (IS_GROUP_ELEMENT(element))
9565     CopyGroupElementPropertiesToEditor(element);
9566   else if (IS_EMPTY_ELEMENT(element))
9567     CopyEmptyElementPropertiesToEditor(element);
9568   else
9569     CopyClassicElementPropertiesToEditor(element);
9570 }
9571
9572 static boolean AskToCopyAndModifyLevelTemplate(void)
9573 {
9574   if (Request("Copy and modify settings from level template?", REQ_ASK))
9575   {
9576     level.use_custom_template = FALSE;
9577
9578     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9579                  GDI_CHECKED, FALSE, GDI_END);
9580     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9581                  GDI_CHECKED, FALSE, GDI_END);
9582
9583     return TRUE;
9584   }
9585   else
9586   {
9587     LoadLevelTemplate(-1);      // this resets all element modifications ...
9588
9589     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9590
9591     return FALSE;
9592   }
9593 }
9594
9595 static void CopyCustomElementPropertiesToGame(int element)
9596 {
9597   int i;
9598   int access_type_and_layer;
9599
9600   // mark that this custom element has been modified
9601   custom_element.modified_settings = TRUE;
9602   level.changed = TRUE;
9603
9604   if (level.use_custom_template)
9605     AskToCopyAndModifyLevelTemplate();
9606
9607   element_info[element] = custom_element;
9608   *element_info[element].change = custom_element_change;
9609
9610   // ---------- element settings: configure (custom elements) -----------------
9611
9612   // set accessible property from checkbox and selectbox
9613   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9614   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9615   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9616   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9617   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9618   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9619   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9620                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9621                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9622   custom_element_properties[access_type_and_layer] =
9623     custom_element_properties[EP_ACCESSIBLE];
9624   custom_element_properties[EP_PROTECTED] =
9625     (custom_element.access_protected != 0 &&
9626      custom_element_properties[EP_ACCESSIBLE]);
9627
9628   // set walk-to-object property from checkbox and selectbox
9629   custom_element_properties[EP_DIGGABLE] = FALSE;
9630   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9631   custom_element_properties[EP_DROPPABLE] = FALSE;
9632   custom_element_properties[EP_THROWABLE] = FALSE;
9633   custom_element_properties[EP_PUSHABLE] = FALSE;
9634   custom_element_properties[custom_element.walk_to_action] =
9635     custom_element_properties[EP_WALK_TO_OBJECT];
9636
9637   // set smash property from checkbox and selectbox
9638   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9639   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9640   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9641   custom_element_properties[custom_element.smash_targets] =
9642     custom_element_properties[EP_CAN_SMASH];
9643
9644   // set deadliness property from checkbox and selectbox
9645   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9646   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9647   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9648   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9649   custom_element_properties[custom_element.deadliness] =
9650     custom_element_properties[EP_DEADLY];
9651
9652   // ---------- element settings: advanced (custom elements) ------------------
9653
9654   // set player change event from checkbox and selectbox
9655   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9656   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9657   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9658   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9659   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9660   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9661   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9662   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9663   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9664   custom_element_change_events[CE_SWITCHED] = FALSE;
9665   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9666   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9667   custom_element_change_events[CE_BLOCKED] = FALSE;
9668   custom_element_change_events[CE_IMPACT] = FALSE;
9669   custom_element_change_events[CE_SMASHED] = FALSE;
9670   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9671   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9672   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9673   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9674   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9675   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9676   custom_element_change_events[custom_element_change.direct_action] =
9677     custom_element_change_events[CE_BY_DIRECT_ACTION];
9678
9679   // set other element action change event from checkbox and selectbox
9680   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9681   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9682   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9683   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9684   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9685   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9686   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9687   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9688   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9689   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9690   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9691   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9692   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9693   custom_element_change_events[CE_HITTING_X] = FALSE;
9694   custom_element_change_events[CE_DIGGING_X] = FALSE;
9695   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9696   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9697   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9698   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9699   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9700   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9701   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9702   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9703   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9704   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9705   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9706   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9707   custom_element_change_events[custom_element_change.other_action] =
9708     custom_element_change_events[CE_BY_OTHER_ACTION];
9709
9710   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9711     SET_PROPERTY(element, i, custom_element_properties[i]);
9712
9713   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9714     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9715
9716   // copy change events also to special level editor variable
9717   custom_element = element_info[element];
9718   custom_element_change = *element_info[element].change;
9719
9720   // needed here to restore runtime value "element_info[element].gfx_element"
9721   InitElementPropertiesGfxElement();
9722 }
9723
9724 static void CopyGroupElementPropertiesToGame(int element)
9725 {
9726   // mark that this group element has been modified
9727   custom_element.modified_settings = TRUE;
9728   level.changed = TRUE;
9729
9730   if (level.use_custom_template)
9731     AskToCopyAndModifyLevelTemplate();
9732
9733   element_info[element] = custom_element;
9734   *element_info[element].group = group_element_info;
9735
9736   // needed here to restore runtime value "element_info[element].gfx_element"
9737   InitElementPropertiesGfxElement();
9738 }
9739
9740 static void CopyEmptyElementPropertiesToGame(int element)
9741 {
9742   // mark that this empty element has been modified
9743   custom_element.modified_settings = TRUE;
9744   level.changed = TRUE;
9745
9746   if (level.use_custom_template)
9747     AskToCopyAndModifyLevelTemplate();
9748
9749   element_info[element] = custom_element;
9750
9751   // needed here to restore runtime value "element_info[element].gfx_element"
9752   InitElementPropertiesGfxElement();
9753 }
9754
9755 static void CopyClassicElementPropertiesToGame(int element)
9756 {
9757   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9758     setMoveIntoAcidProperty(&level, element,
9759                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9760
9761   if (MAYBE_DONT_COLLIDE_WITH(element))
9762     setDontCollideWithProperty(&level, element,
9763                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9764 }
9765
9766 static void CopyElementPropertiesToGame(int element)
9767 {
9768   if (IS_CUSTOM_ELEMENT(element))
9769     CopyCustomElementPropertiesToGame(element);
9770   else if (IS_GROUP_ELEMENT(element))
9771     CopyGroupElementPropertiesToGame(element);
9772   else if (IS_EMPTY_ELEMENT(element))
9773     CopyEmptyElementPropertiesToGame(element);
9774   else
9775     CopyClassicElementPropertiesToGame(element);
9776 }
9777
9778 #if DEBUG
9779 static void CheckElementDescriptions(void)
9780 {
9781   int i;
9782
9783   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9784     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
9785       Warn("no element description file for element '%s'", EL_NAME(i));
9786 }
9787 #endif
9788
9789 static int getMaxEdFieldX(boolean has_scrollbar)
9790 {
9791   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
9792   int sxsize = SXSIZE - scrollbar_width;
9793   int max_ed_fieldx = sxsize / ed_tilesize;
9794
9795   return max_ed_fieldx;
9796 }
9797
9798 static int getMaxEdFieldY(boolean has_scrollbar)
9799 {
9800   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
9801                          INFOTEXT_YSIZE_FULL : 0);
9802   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
9803   int sysize = SYSIZE - scrollbar_height - infotext_height;
9804   int max_ed_fieldy = sysize / ed_tilesize;
9805
9806   return max_ed_fieldy;
9807 }
9808
9809 static void InitZoomLevelSettings(int zoom_tilesize)
9810 {
9811   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
9812
9813   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
9814   {
9815     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
9816     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
9817
9818     // make sure that tile size is always a power of 2
9819     ed_tilesize = (1 << log_2(ed_tilesize));
9820
9821     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9822     {
9823       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
9824       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
9825     }
9826   }
9827
9828   last_game_engine_type = level.game_engine_type;
9829
9830   // limit zoom tilesize by upper and lower bound
9831   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
9832
9833   // store zoom tilesize in auto setup file only if it was manually changed
9834   if (zoom_tilesize != -1)
9835     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
9836
9837   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
9838   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
9839 }
9840
9841 static void InitDrawingElements(void)
9842 {
9843   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
9844
9845   if (level.game_engine_type == game_engine_type_last)
9846     return;
9847
9848   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9849   {
9850     new_element1 = EL_BD_WALL;
9851     new_element2 = EL_EMPTY;
9852     new_element3 = EL_BD_SAND;
9853   }
9854   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
9855   {
9856     new_element1 = EL_SP_CHIP_SINGLE;
9857     new_element2 = EL_EMPTY;
9858     new_element3 = EL_SP_BASE;
9859   }
9860   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9861   {
9862     new_element1 = EL_MM_MIRROR_START;
9863     new_element2 = EL_EMPTY;
9864     new_element3 = EL_MM_WOODEN_WALL;
9865   }
9866   else
9867   {
9868     new_element1 = EL_WALL;
9869     new_element2 = EL_EMPTY;
9870     new_element3 = EL_SAND;
9871   }
9872
9873   game_engine_type_last = level.game_engine_type;
9874 }
9875
9876 static void InitLevelSetInfo(void)
9877 {
9878   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
9879            "%s", leveldir_current->name);
9880   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
9881            "%s", leveldir_current->author);
9882
9883   levelset_num_levels = leveldir_current->levels;
9884
9885   levelset_use_levelset_artwork = FALSE;
9886   levelset_copy_level_template = FALSE;
9887
9888   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
9889 }
9890
9891 static void ChangeEditorToLevelSet(char *levelset_subdir)
9892 {
9893   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
9894
9895   // the previous level set might have used custom artwork
9896   ReloadCustomArtwork(0);
9897
9898   LoadLevelSetup_SeriesInfo();
9899
9900   SaveLevelSetup_LastSeries();
9901   SaveLevelSetup_SeriesInfo();
9902
9903   TapeErase();
9904
9905   LoadLevel(level_nr);
9906   LoadScore(level_nr);
9907
9908   DrawLevelEd();
9909 }
9910
9911 static boolean useEditorDoorAnimation(void)
9912 {
9913   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
9914   boolean door_1_viewport_unchanged =
9915     (vp_door_1->x      == DX     &&
9916      vp_door_1->y      == DY     &&
9917      vp_door_1->width  == DXSIZE &&
9918      vp_door_1->height == DYSIZE);
9919   boolean door_1_contains_toolbox =
9920     (EX >= DX &&
9921      EY >= DY &&
9922      EX + EXSIZE <= DX + DXSIZE &&
9923      EY + EYSIZE <= DY + DYSIZE);
9924
9925   return (door_1_viewport_unchanged && door_1_contains_toolbox);
9926 }
9927
9928 static void DrawEditorDoorBackground(int graphic, int x, int y,
9929                                      int width, int height)
9930 {
9931   struct GraphicInfo *g = &graphic_info[graphic];
9932
9933   if (g->bitmap != NULL)
9934     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
9935                MIN(width, g->width), MIN(height, g->height), x, y);
9936   else
9937     ClearRectangle(drawto, x, y, width, height);
9938 }
9939
9940 static void DrawEditorDoorContent(void)
9941 {
9942   // needed for gadgets drawn on background (like palette scrollbar)
9943   SetDoorBackgroundImage(IMG_UNDEFINED);
9944
9945   // copy default editor door content to main double buffer
9946   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
9947
9948   // draw bigger door
9949   DrawSpecialEditorDoor();
9950
9951   // draw new control window
9952   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
9953
9954   // draw all toolbox gadgets to editor doors
9955   MapControlButtons();
9956
9957   // when returning from test game to properties page, redraw toolbox gadgets
9958   if (edit_mode == ED_MODE_PROPERTIES)
9959   {
9960     UnmapLevelEditorToolboxDrawingGadgets();
9961     UnmapLevelEditorToolboxCustomGadgets();
9962
9963     MapLevelEditorToolboxCustomGadgetsIfNeeded();
9964   }
9965
9966   // draw all palette gadgets to editor doors
9967   ModifyEditorElementList();
9968   RedrawDrawingElements();
9969
9970   // copy actual editor door content to door double buffer for OpenDoor()
9971   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
9972 }
9973
9974 void DrawLevelEd(void)
9975 {
9976   int fade_mask = REDRAW_FIELD;
9977
9978   FadeSoundsAndMusic();
9979
9980   if (CheckFadeAll())
9981     fade_mask = REDRAW_ALL;
9982
9983   FadeOut(fade_mask);
9984
9985   // needed if different viewport properties defined for editor
9986   ChangeViewportPropertiesIfNeeded();
9987
9988   ClearField();
9989
9990   InitZoomLevelSettings(-1);
9991   InitDrawingElements();
9992   InitLevelSetInfo();
9993
9994 #if DEBUG
9995   CheckElementDescriptions();
9996 #endif
9997
9998   if (level_editor_test_game)
9999   {
10000     CopyPlayfield(level.field, Tile);
10001     CopyPlayfield(TileBackup, level.field);
10002
10003     level_editor_test_game = FALSE;
10004   }
10005   else
10006   {
10007     edit_mode = ED_MODE_DRAWING;
10008     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
10009     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
10010
10011     ResetUndoBuffer();
10012
10013     level_xpos = -1;
10014     level_ypos = -1;
10015   }
10016
10017   // redraw_mask |= REDRAW_ALL;
10018
10019   FreeLevelEditorGadgets();
10020   CreateLevelEditorGadgets();
10021
10022   ReinitializeElementList();            // update dynamic level element list
10023   ReinitializeElementListButtons();     // custom element may look different
10024
10025   InitElementPropertiesGfxElement();
10026
10027   UnmapAllGadgets();
10028
10029   DrawEditModeWindow_PlayfieldOnly();
10030
10031   DrawMaskedBorder(fade_mask);
10032
10033   // use door animation if door 1 viewport is unchanged and contains toolbox
10034   if (useEditorDoorAnimation())
10035   {
10036     FadeIn(fade_mask);
10037
10038     DrawEditorDoorContent();
10039
10040     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
10041   }
10042   else
10043   {
10044     DrawEditorDoorContent();
10045
10046     FadeIn(fade_mask);
10047   }
10048
10049   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
10050 }
10051
10052 static void AdjustDrawingAreaGadgets(void)
10053 {
10054   int ed_xsize = lev_fieldx + 2;
10055   int ed_ysize = lev_fieldy + 2;
10056   int max_ed_fieldx = MAX_ED_FIELDX;
10057   int max_ed_fieldy = MAX_ED_FIELDY;
10058   boolean horizontal_scrollbar_needed;
10059   boolean vertical_scrollbar_needed;
10060   int x, y, width, height;
10061
10062   if (suppressBorderElement())
10063   {
10064     ed_xsize = lev_fieldx;
10065     ed_ysize = lev_fieldy;
10066   }
10067
10068   // check if we need any scrollbars
10069   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10070   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10071
10072   // check if we have a smaller editor field because of scrollbars
10073   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10074   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10075
10076   // check again if we now need more scrollbars because of less space
10077   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10078   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10079
10080   // check if editor field gets even smaller after adding new scrollbars
10081   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10082   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10083
10084   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
10085   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
10086
10087   x = SX + ed_fieldx * ed_tilesize;
10088   y = SY + ed_fieldy * ed_tilesize;
10089
10090   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
10091   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
10092
10093   // adjust drawing area gadget
10094   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
10095                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
10096                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
10097                GDI_END);
10098
10099   // adjust horizontal scrollbar gadgets
10100   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
10101                GDI_Y, y,
10102                GDI_END);
10103   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
10104                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
10105                GDI_Y, y,
10106                GDI_END);
10107   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10108                GDI_Y, y,
10109                GDI_WIDTH, width,
10110                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
10111                GDI_END);
10112
10113   // adjust vertical scrollbar gadgets
10114   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
10115                GDI_X, x,
10116                GDI_END);
10117   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
10118                GDI_X, x,
10119                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
10120                GDI_END);
10121   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10122                GDI_X, x,
10123                GDI_HEIGHT, height,
10124                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
10125                GDI_END);
10126 }
10127
10128 static void AdjustLevelScrollPosition(void)
10129 {
10130   if (level_xpos < -1)
10131     level_xpos = -1;
10132   if (level_xpos > lev_fieldx - ed_fieldx + 1)
10133     level_xpos = lev_fieldx - ed_fieldx + 1;
10134   if (lev_fieldx < ed_fieldx - 2)
10135     level_xpos = -1;
10136
10137   if (level_ypos < -1)
10138     level_ypos = -1;
10139   if (level_ypos > lev_fieldy - ed_fieldy + 1)
10140     level_ypos = lev_fieldy - ed_fieldy + 1;
10141   if (lev_fieldy < ed_fieldy - 2)
10142     level_ypos = -1;
10143
10144   if (suppressBorderElement())
10145   {
10146     level_xpos = 0;
10147     level_ypos = 0;
10148   }
10149 }
10150
10151 static void AdjustEditorScrollbar(int id)
10152 {
10153   struct GadgetInfo *gi = level_editor_gadget[id];
10154   int items_max, items_visible, item_position;
10155
10156   if (id == GADGET_ID_SCROLL_HORIZONTAL)
10157   {
10158     items_max = MAX(lev_fieldx + 2, ed_fieldx);
10159     items_visible = ed_fieldx;
10160     item_position = level_xpos + 1;
10161   }
10162   else
10163   {
10164     items_max = MAX(lev_fieldy + 2, ed_fieldy);
10165     items_visible = ed_fieldy;
10166     item_position = level_ypos + 1;
10167   }
10168
10169   if (item_position > items_max - items_visible)
10170     item_position = items_max - items_visible;
10171
10172   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10173                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10174 }
10175
10176 static void AdjustElementListScrollbar(void)
10177 {
10178   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
10179   int items_max, items_visible, item_position;
10180
10181   // correct position of element list scrollbar
10182   if (element_shift < 0)
10183     element_shift = 0;
10184   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10185     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10186
10187   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
10188   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
10189   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
10190
10191   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10192                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10193                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10194 }
10195
10196 static void ModifyEditorCounterValue(int counter_id, int new_value)
10197 {
10198   int *counter_value = counterbutton_info[counter_id].value;
10199   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10200   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10201
10202   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10203
10204   if (counter_value != NULL)
10205     *counter_value = gi->textinput.number_value;
10206 }
10207
10208 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10209 {
10210   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10211   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10212
10213   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10214
10215   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10216       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10217   {
10218     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10219     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10220
10221     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10222     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10223                  GDI_END);
10224   }
10225 }
10226
10227 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10228 {
10229   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10230   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10231   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10232
10233   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10234 }
10235
10236 static void ModifyEditorSelectboxOptions(int selectbox_id,
10237                                          struct ValueTextInfo *options)
10238 {
10239   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10240   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10241
10242   selectbox_info[selectbox_id].options = options;
10243
10244   // set index to zero -- list may be shorter now (correct later, if needed)
10245   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10246                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10247 }
10248
10249 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10250 {
10251   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10252   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10253
10254   drawingarea_info[drawingarea_id].area_xsize = xsize;
10255   drawingarea_info[drawingarea_id].area_ysize = ysize;
10256
10257   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10258 }
10259
10260 static void ModifyEditorElementList(void)
10261 {
10262   int i;
10263
10264   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10265     return;
10266
10267   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10268   {
10269     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10270     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10271     struct GadgetDesign *gd = &gi->deco.design;
10272     int element = editor_elements[element_shift + i];
10273     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10274
10275     UnmapGadget(gi);
10276
10277     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10278
10279     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10280
10281     MapGadget(gi);
10282   }
10283 }
10284
10285 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10286 {
10287   int graphic = el2edimg(element);
10288   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10289
10290   if (pos->x == -1 &&
10291       pos->y == -1)
10292     return;
10293
10294   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10295 }
10296
10297 static void ModifyDrawingElementButton(int element, int id)
10298 {
10299   struct GadgetInfo *gi = level_editor_gadget[id];
10300   Bitmap *deco_bitmap;
10301   int deco_x, deco_y;
10302   int tile_size = gi->deco.width;
10303
10304   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10305
10306   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10307 }
10308
10309 static void PickDrawingElement(int button, int element)
10310 {
10311   struct
10312   {
10313     int *new_element;
10314     struct XYTileSize *pos;
10315     int id;
10316   } de, drawing_elements[] =
10317   {
10318     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10319     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10320     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10321   };
10322
10323   if (button < 1 || button > 3)
10324     return;
10325
10326   if (IS_MM_WALL(element))
10327     element = map_mm_wall_element(element);
10328
10329   de = drawing_elements[button - 1];
10330
10331   *de.new_element = element;    // update global drawing element variable
10332
10333   DrawDrawingElementGraphic(element, de.pos);
10334   ModifyDrawingElementButton(element, de.id);
10335
10336   redraw_mask |= REDRAW_DOOR_1;
10337 }
10338
10339 static void RedrawDrawingElements(void)
10340 {
10341   PickDrawingElement(1, new_element1);
10342   PickDrawingElement(2, new_element2);
10343   PickDrawingElement(3, new_element3);
10344 }
10345
10346 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10347 {
10348   stick_element_properties_window = FALSE;
10349
10350   SetMainBackgroundImage(IMG_UNDEFINED);
10351   ClearField();
10352
10353   UnmapLevelEditorFieldGadgets();
10354
10355   AdjustDrawingAreaGadgets();
10356   AdjustLevelScrollPosition();
10357   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10358   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10359
10360   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10361
10362   MapMainDrawingArea();
10363
10364   if (remap_toolbox_gadgets)
10365   {
10366     UnmapLevelEditorToolboxCustomGadgets();
10367     MapLevelEditorToolboxDrawingGadgets();
10368   }
10369 }
10370
10371 static void DrawDrawingWindow(void)
10372 {
10373   DrawDrawingWindowExt(TRUE);
10374 }
10375
10376 static int getTabulatorBarWidth(void)
10377 {
10378   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10379   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10380
10381   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10382 }
10383
10384 static int getTabulatorBarHeight(void)
10385 {
10386   return ED_TAB_BAR_HEIGHT;
10387 }
10388
10389 static Pixel getTabulatorBarColor(void)
10390 {
10391   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10392   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10393   int gd_x = gd->x + gd_gi1->border.width / 2;
10394   int gd_y = gd->y + gd_gi1->height - 1;
10395
10396   return GetPixel(gd->bitmap, gd_x, gd_y);
10397 }
10398
10399 static void DrawLevelConfigTabulatorGadgets(void)
10400 {
10401   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10402   Pixel tab_color = getTabulatorBarColor();
10403   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10404   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10405   int i;
10406
10407   // draw additional "engine" tabulator when using native BD engine
10408   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10409     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10410
10411   for (i = id_first; i <= id_last; i++)
10412   {
10413     int gadget_id = textbutton_info[i].gadget_id;
10414     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10415     boolean active = (i != edit_mode_levelconfig);
10416
10417     // draw background line below tabulator button
10418     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10419
10420     // draw solid line below inactive tabulator buttons
10421     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10422       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10423                     ED_GADGET_TINY_DISTANCE, tab_color);
10424
10425     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10426     MapTextbuttonGadget(i);
10427   }
10428
10429   // draw little border line below tabulator buttons
10430   if (tab_color != BLACK_PIXEL)                 // black => transparent
10431     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10432                   ED_GADGET_TINY_DISTANCE,
10433                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10434 }
10435
10436 static void DrawPropertiesTabulatorGadgets(void)
10437 {
10438   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10439   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10440   int gd_x = gd->x + gd_gi1->border.width / 2;
10441   int gd_y = gd->y + gd_gi1->height - 1;
10442   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10443   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10444   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10445   int i;
10446
10447   // draw two config tabulators for player elements
10448   if (IS_PLAYER_ELEMENT(properties_element))
10449     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10450
10451   // draw two config and one "change" tabulator for custom elements
10452   if (IS_CUSTOM_ELEMENT(properties_element))
10453     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10454
10455   for (i = id_first; i <= id_last; i++)
10456   {
10457     int gadget_id = textbutton_info[i].gadget_id;
10458     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10459     boolean active = (i != edit_mode_properties);
10460
10461     // use "config 1" and "config 2" instead of "config" for players and CEs
10462     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
10463         (IS_PLAYER_ELEMENT(properties_element) ||
10464          IS_CUSTOM_ELEMENT(properties_element)))
10465       continue;
10466
10467     // draw background line below tabulator button
10468     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10469
10470     // draw solid line below inactive tabulator buttons
10471     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10472       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10473                     ED_GADGET_TINY_DISTANCE, tab_color);
10474
10475     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10476     MapTextbuttonGadget(i);
10477   }
10478
10479   // draw little border line below tabulator buttons
10480   if (tab_color != BLACK_PIXEL)                 // black => transparent
10481     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10482                   ED_GADGET_TINY_DISTANCE,
10483                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10484 }
10485
10486 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10487 {
10488   DrawText(SX + xpos, SY + ypos, text, font_nr);
10489 }
10490
10491 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10492                                            int xpos, int ypos)
10493 {
10494   int font_width = getFontWidth(font_nr);
10495   int font_height = getFontHeight(font_nr);
10496   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10497   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10498
10499   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10500                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10501                       TRUE, FALSE, FALSE);
10502 }
10503
10504 static void DrawLevelConfigLevel(void)
10505 {
10506   int i;
10507
10508   // draw counter gadgets
10509   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10510     MapCounterButtons(i);
10511
10512   // draw checkbutton gadgets
10513   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10514     MapCheckbuttonGadget(i);
10515
10516   // draw selectbox gadgets
10517   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10518     MapSelectboxGadget(i);
10519
10520   // draw text input gadgets
10521   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10522     MapTextInputGadget(i);
10523 }
10524
10525 static char *getLevelSubdirFromSaveMode(int save_mode)
10526 {
10527   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10528     return getNewUserLevelSubdir();
10529
10530   return leveldir_current->subdir;
10531 }
10532
10533 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10534 {
10535   char *directory_text = "Level set directory:";
10536   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10537   int font1_nr = FONT_TEXT_1;
10538   int font2_nr = FONT_TEXT_2;
10539   int font1_height = getFontHeight(font1_nr);
10540   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10541   int x = ED_LEVEL_SETTINGS_X(0);
10542   int y = ED_LEVEL_SETTINGS_Y(6);
10543
10544   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10545   PrintInfoText(directory_name, font2_nr, x, y);
10546 }
10547
10548 static void DrawLevelConfigLevelSet(void)
10549 {
10550   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10551   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10552   int i;
10553
10554   // draw counter gadgets
10555   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10556     MapCounterButtons(i);
10557
10558   // draw checkbutton gadgets
10559   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10560   {
10561     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10562         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10563         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10564       continue;
10565
10566     MapCheckbuttonGadget(i);
10567   }
10568
10569   // draw selectbox gadgets
10570   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10571     MapSelectboxGadget(i);
10572
10573   // draw text input gadgets
10574   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10575     MapTextInputGadget(i);
10576
10577   // draw textbutton gadgets
10578   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10579
10580   // draw info text
10581   DrawLevelConfigLevelSet_DirectoryInfo();
10582 }
10583
10584 static void DrawLevelConfigEditor(void)
10585 {
10586   int i;
10587
10588   // draw counter gadgets
10589   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10590     MapCounterButtons(i);
10591
10592   // draw checkbutton gadgets
10593   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10594     MapCheckbuttonGadget(i);
10595
10596   // draw radiobutton gadgets
10597   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10598     MapRadiobuttonGadget(i);
10599
10600   // draw drawing area
10601   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10602
10603   // draw textbutton gadgets
10604   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10605 }
10606
10607 static void DrawLevelConfigEngine(void)
10608 {
10609   int i;
10610
10611   // draw counter gadgets
10612   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10613   {
10614     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10615     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10616   }
10617   else
10618   {
10619     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10620     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10621   }
10622
10623   // draw checkbutton gadgets
10624   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10625     MapCheckbuttonGadget(i);
10626
10627   // draw selectbox gadgets
10628   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10629     MapSelectboxGadget(i);
10630 }
10631
10632 static void DrawLevelConfigWindow(void)
10633 {
10634   char *text = "Global Settings";
10635   int font_nr = FONT_TITLE_1;
10636   struct MenuPosInfo *pos = &editor.settings.headline;
10637   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10638   int sy = SY + pos->y;
10639
10640   stick_element_properties_window = FALSE;
10641
10642   SetAutomaticNumberOfGemsNeeded();
10643
10644   UnmapLevelEditorFieldGadgets();
10645
10646   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10647   ClearField();
10648
10649   DrawText(sx, sy, text, font_nr);
10650
10651   DrawLevelConfigTabulatorGadgets();
10652
10653   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10654     DrawLevelConfigLevel();
10655   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10656     DrawLevelConfigLevelSet();
10657   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10658     DrawLevelConfigEditor();
10659   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10660     DrawLevelConfigEngine();
10661 }
10662
10663 static void DrawCustomContentArea(void)
10664 {
10665   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10666   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10667   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10668   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10669   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10670   int xoffset = ED_GADGET_SPACE_DISTANCE;
10671
10672   // add distance for potential left text (without drawing area border)
10673   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10674
10675   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10676
10677   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10678 }
10679
10680 static void DrawCustomChangeContentArea(void)
10681 {
10682   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10683   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10684   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10685   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10686   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10687   int xoffset = ED_GADGET_SPACE_DISTANCE;
10688
10689   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10690
10691   MapDrawingArea(id);
10692 }
10693
10694 static void RemoveElementContentArea(int id, int font_height)
10695 {
10696   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10697
10698   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10699                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10700                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10701                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10702                  ED_GADGET_TEXT_DISTANCE + font_height);
10703 }
10704
10705 static void DrawYamYamContentAreas(void)
10706 {
10707   int font_nr = FONT_TEXT_1;
10708   int font_height = getFontHeight(font_nr);
10709   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10710   int yoffset = (tilesize - font_height) / 2;
10711   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10712   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10713   int i;
10714
10715   // display counter to choose number of element content areas
10716   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10717
10718   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10719   {
10720     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10721
10722     if (i < level.num_yamyam_contents)
10723     {
10724       MapDrawingArea(id);
10725     }
10726     else
10727     {
10728       UnmapDrawingArea(id);
10729
10730       // delete content areas in case of reducing number of them
10731       RemoveElementContentArea(id, font_height);
10732     }
10733   }
10734
10735   DrawText(x, y + 0 * tilesize, "content", font_nr);
10736   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10737   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10738 }
10739
10740 static void DrawMagicBallContentAreas(void)
10741 {
10742   int font_nr = FONT_TEXT_1;
10743   int font_height = getFontHeight(font_nr);
10744   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10745   int yoffset = (tilesize - font_height) / 2;
10746   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10747   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10748   int i;
10749
10750   // display counter to choose number of element content areas
10751   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10752
10753   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10754   {
10755     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10756
10757     if (i < level.num_ball_contents)
10758     {
10759       MapDrawingArea(id);
10760     }
10761     else
10762     {
10763       UnmapDrawingArea(id);
10764
10765       // delete content areas in case of reducing number of them
10766       RemoveElementContentArea(id, font_height);
10767     }
10768   }
10769
10770   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10771   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10772   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10773 }
10774
10775 static void DrawAndroidElementArea(void)
10776 {
10777   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10778   int num_elements = level.num_android_clone_elements;
10779   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10780   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10781   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10782   int xsize = MAX_ANDROID_ELEMENTS;
10783   int ysize = 1;
10784
10785   // display counter to choose number of element areas
10786   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
10787
10788   if (drawingarea_info[id].text_left != NULL)
10789     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10790
10791   UnmapDrawingArea(id);
10792
10793   ModifyEditorDrawingArea(id, num_elements, 1);
10794
10795   // delete content areas in case of reducing number of them
10796   DrawBackground(sx, sy,
10797                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10798                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10799
10800   MapDrawingArea(id);
10801 }
10802
10803 static void DrawGroupElementArea(void)
10804 {
10805   int id = ED_DRAWING_ID_GROUP_CONTENT;
10806   int num_elements = group_element_info.num_elements;
10807   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10808   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10809   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10810   int xsize = MAX_ELEMENTS_IN_GROUP;
10811   int ysize = 1;
10812
10813   if (drawingarea_info[id].text_left != NULL)
10814     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10815
10816   UnmapDrawingArea(id);
10817
10818   ModifyEditorDrawingArea(id, num_elements, 1);
10819
10820   // delete content areas in case of reducing number of them
10821   DrawBackground(sx, sy,
10822                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10823                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10824
10825   MapDrawingArea(id);
10826 }
10827
10828 static void DrawPlayerInitialInventoryArea(int element)
10829 {
10830   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
10831   int player_nr = GET_PLAYER_NR(element);
10832   int num_elements = level.initial_inventory_size[player_nr];
10833   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10834   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10835   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10836   int xsize = MAX_INITIAL_INVENTORY_SIZE;
10837   int ysize = 1;
10838
10839   // determine horizontal position to the right of specified gadget
10840   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
10841     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
10842           ED_DRAWINGAREA_TEXT_DISTANCE);
10843
10844   // determine horizontal offset for leading text
10845   if (drawingarea_info[id].text_left != NULL)
10846     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10847
10848   UnmapDrawingArea(id);
10849
10850   ModifyEditorDrawingArea(id, num_elements, 1);
10851
10852   // delete content areas in case of reducing number of them
10853   DrawBackground(sx, sy,
10854                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10855                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10856
10857   MapDrawingArea(id);
10858 }
10859
10860 static void DrawMMBallContentArea(void)
10861 {
10862   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
10863   int num_elements = level.num_mm_ball_contents;
10864   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10865   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10866   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10867   int xsize = MAX_MM_BALL_CONTENTS;
10868   int ysize = 1;
10869
10870   if (drawingarea_info[id].text_left != NULL)
10871     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10872
10873   UnmapDrawingArea(id);
10874
10875   ModifyEditorDrawingArea(id, num_elements, 1);
10876
10877   // delete content areas in case of reducing number of them
10878   DrawBackground(sx, sy,
10879                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10880                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10881
10882   MapDrawingArea(id);
10883 }
10884
10885 static void DrawEnvelopeTextArea(int envelope_nr)
10886 {
10887   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
10888   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
10889
10890   UnmapGadget(gi);
10891
10892   DrawBackground(gi->x, gi->y,
10893                  gi->textarea.crop_width, gi->textarea.crop_height);
10894
10895   if (envelope_nr != -1)
10896     textarea_info[id].value = level.envelope[envelope_nr].text;
10897
10898   ModifyGadget(gi, GDI_AREA_SIZE,
10899                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
10900                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
10901                GDI_END);
10902
10903   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
10904 }
10905
10906 static void DrawPropertiesInfo(void)
10907 {
10908   static struct
10909   {
10910     int value;
10911     char *text;
10912   }
10913   properties[] =
10914   {
10915     // configurable properties
10916
10917     { EP_WALKABLE_OVER,         "- player can walk over it"             },
10918     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
10919     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
10920     { EP_PASSABLE_OVER,         "- player can pass over it"             },
10921     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
10922     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
10923     { EP_PROTECTED,             "- player is protected by it"           },
10924
10925     { EP_DIGGABLE,              "- can be digged away"                  },
10926     { EP_COLLECTIBLE,           "- can be collected"                    },
10927     { EP_DROPPABLE,             "- can be dropped after collecting"     },
10928     { EP_THROWABLE,             "- can be thrown after collecting"      },
10929     { EP_PUSHABLE,              "- can be pushed"                       },
10930
10931     { EP_CAN_FALL,              "- can fall"                            },
10932     { EP_CAN_MOVE,              "- can move"                            },
10933
10934     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
10935 #if 0
10936     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
10937 #endif
10938     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
10939
10940     { EP_SLIPPERY,              "- slippery for falling elements"       },
10941     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
10942
10943     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
10944     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
10945     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
10946     { EP_DONT_TOUCH,            "- deadly when touching"                },
10947
10948     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
10949
10950     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
10951     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
10952     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
10953
10954     { EP_CAN_CHANGE,            "- can change to other element"         },
10955
10956     // pre-defined properties
10957     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
10958     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
10959     { EP_SWITCHABLE,            "- can be switched"                     },
10960 #if 0
10961     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
10962 #endif
10963
10964     { -1,                       NULL                                    }
10965   };
10966   char *filename = getElementDescriptionFilename(properties_element);
10967   char *num_elements_text = "In this level: ";
10968   char *num_similar_text = "Similar tiles: ";
10969   char *properties_text = "Standard properties: ";
10970   char *description_text = "Description:";
10971   char *no_description_text = "No description available.";
10972   char *none_text = "None";
10973   float percentage;
10974   int num_elements_in_level = 0;
10975   int num_similar_in_level = 0;
10976   int num_hires_tiles_in_level = 0;
10977   int num_standard_properties = 0;
10978   int font1_nr = FONT_TEXT_1;
10979   int font2_nr = FONT_TEXT_2;
10980   int font1_width = getFontWidth(font1_nr);
10981   int font1_height = getFontHeight(font1_nr);
10982   int font2_height = getFontHeight(font2_nr);
10983   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
10984   int font2_yoffset = (font1_height - font2_height) / 2;
10985   int num_elements_text_len = strlen(num_elements_text) * font1_width;
10986   int num_similar_text_len = strlen(num_similar_text) * font1_width;
10987   int properties_text_len = strlen(properties_text) * font1_width;
10988   int xpos = ED_ELEMENT_SETTINGS_X(0);
10989   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10990   int i, x, y;
10991
10992   if (setup.editor.show_element_token)
10993   {
10994     int font3_nr = FONT_TEXT_3;
10995     int font3_height = getFontHeight(font3_nr);
10996
10997     DrawTextF(xpos, ypos, font3_nr,
10998               "[%s]", element_info[properties_element].token_name);
10999
11000     ypos += 2 * font3_height;
11001   }
11002
11003   // ----- print number of elements / percentage of this element in level
11004
11005   for (y = 0; y < lev_fieldy; y++)
11006   {
11007     for (x = 0; x < lev_fieldx; x++)
11008     {
11009       if (Tile[x][y] == properties_element)
11010       {
11011         num_elements_in_level++;
11012       }
11013       else if (IS_MM_WALL(Tile[x][y]) &&
11014                map_mm_wall_element(Tile[x][y]) == properties_element)
11015       {
11016         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
11017       }
11018     }
11019   }
11020
11021   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11022
11023   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
11024
11025   if (num_hires_tiles_in_level > 0)
11026     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11027               "%d wall tiles", num_hires_tiles_in_level);
11028   else if (num_elements_in_level > 0)
11029     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11030               "%d (%.2f %%)", num_elements_in_level, percentage);
11031   else
11032     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11033               none_text);
11034
11035   // ----- print number of similar elements / percentage of them in level
11036
11037   for (y = 0; y < lev_fieldy; y++)
11038   {
11039     for (x = 0; x < lev_fieldx; x++)
11040     {
11041       if (strEqual(element_info[Tile[x][y]].class_name,
11042                    element_info[properties_element].class_name))
11043       {
11044         num_similar_in_level++;
11045       }
11046     }
11047   }
11048
11049   if (num_similar_in_level != num_elements_in_level)
11050   {
11051     ypos += 1 * MAX(font1_height, font2_height);
11052
11053     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11054
11055     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
11056
11057     if (num_similar_in_level > 0)
11058       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11059                 "%d (%.2f %%)", num_similar_in_level, percentage);
11060     else
11061       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11062                 none_text);
11063   }
11064
11065   ypos += 2 * MAX(font1_height, font2_height);
11066
11067   // ----- print standard properties of this element
11068
11069   DrawTextS(xpos, ypos, font1_nr, properties_text);
11070
11071   ypos += line1_height;
11072
11073   for (i = 0; properties[i].value != -1; i++)
11074   {
11075     if (!HAS_PROPERTY(properties_element, properties[i].value))
11076       continue;
11077
11078     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
11079
11080     ypos += font2_height;
11081
11082     num_standard_properties++;
11083   }
11084
11085   if (num_standard_properties == 0)
11086   {
11087     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
11088               font2_nr, none_text);
11089
11090     ypos -= (line1_height - font1_height);
11091   }
11092
11093   ypos += MAX(font1_height, font2_height);
11094
11095   // ----- print special description of this element
11096
11097   PrintInfoText(description_text, font1_nr, xpos, ypos);
11098
11099   ypos += line1_height;
11100
11101   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
11102     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
11103 }
11104
11105 #define TEXT_COLLECTING         "Score for collecting"
11106 #define TEXT_COLLECTING_EXTRA   "Score for extra diamonds"
11107 #define TEXT_SMASHING           "Score for smashing"
11108 #define TEXT_SLURPING           "Score for slurping robot"
11109 #define TEXT_CRACKING           "Score for cracking"
11110 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
11111 #define TEXT_AMOEBA_THRESHOED   "Size for turning to rocks"
11112 #define TEXT_AMOEBA_SLOW_TIME   "Slow growth time (seconds)"
11113 #define TEXT_AMOEBA_SLOW_RATE   "Slow growth rate (percent)"
11114 #define TEXT_AMOEBA_FAST_RATE   "Fast growth rate (percent)"
11115 #define TEXT_DURATION           "Duration when activated"
11116 #define TEXT_DELAY_ON           "Delay before activating"
11117 #define TEXT_DELAY_OFF          "Delay before deactivating"
11118 #define TEXT_DELAY_CHANGING     "Delay before changing"
11119 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
11120 #define TEXT_DELAY_MOVING       "Delay before moving"
11121 #define TEXT_BALL_DELAY         "Element generation delay"
11122 #define TEXT_MOVE_SPEED         "Speed of android moving"
11123 #define TEXT_CLONE_SPEED        "Speed of android cloning"
11124 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
11125 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
11126 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
11127 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
11128 #define TEXT_TIME_BONUS         "Extra time to solve level"
11129 #define TEXT_TIME_PENALTY       "Time penalty if destroyed"
11130 #define TEXT_PERMEABILITY_RATE  "slime permeability rate"
11131 #define TEXT_PERMEABILITY_BITS  "slime permeability bits"
11132 #define TEXT_RANDOM_SEED        "slime random number seed"
11133 #define TEXT_ACID_SPREAD_RATE   "Spread rate (percent)"
11134 #define TEXT_BITER_MOVE_DELAY   "Move delay (BD frames)"
11135 #define TEXT_REPLICATION_DELAY  "Create delay (BD frames)"
11136
11137 static struct
11138 {
11139   int element;
11140   int *value;
11141   char *text;
11142   int min_value;
11143   int max_value;
11144 } elements_with_counter[] =
11145 {
11146   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11147   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11148   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
11149   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11150   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11151   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11152   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11153   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
11154   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
11155   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
11156   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
11157   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
11158   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
11159   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11160   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11161   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
11162   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
11163   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
11164   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11165   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11166   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
11167   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11168   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11169   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11170   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11171   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11172   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11173   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11174   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11175   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11176   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11177   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11178   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11179   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11180   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11181   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11182   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11183   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11184   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
11185   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
11186   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11187   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11188   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11189   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11190   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
11191   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11192   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11193   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11194   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11195   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11196   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11197   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11198   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
11199   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11200   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11201   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11202   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11203   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11204   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11205   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11206   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11207   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11208   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11209   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11210   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11211   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
11212   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11213   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11214   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
11215   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
11216   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11217   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
11218   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11219   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11220   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11221   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11222   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11223   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11224   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11225   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11226   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
11227   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
11228   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
11229                                 0, 100                                                          },
11230   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
11231                                 0, 100                                                          },
11232   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
11233   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
11234   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
11235                                 0, 100                                                          },
11236   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11237                                 0, 100                                                          },
11238   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11239   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11240   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11241   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11242   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11243   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11244   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11245   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11246   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11247   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11248   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11249                                 -100, 100                                                       },
11250   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11251                                 0, 100                                                          },
11252   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11253                                 0, 100                                                          },
11254   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11255                                 0, 255                                                          },
11256   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11257                                 -1, 65535                                                       },
11258   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11259                                 0, 100                                                          },
11260   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11261                                 0, 3                                                            },
11262   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11263                                 0, 3                                                            },
11264   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11265                                 0, 3                                                            },
11266   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11267                                 0, 3                                                            },
11268   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11269                                 0, 3                                                            },
11270   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
11271                                 0, 100                                                          },
11272   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11273   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11274   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11275   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11276   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11277   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11278   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11279   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11280   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11281   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11282   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11283   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11284   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11285   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11286   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11287   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11288   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11289   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11290   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11291   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11292   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11293   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11294   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11295   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11296   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11297
11298   { -1,                         NULL,                                   NULL                    }
11299 };
11300
11301 static boolean checkPropertiesConfig(int element)
11302 {
11303   int i;
11304
11305   // special case: empty space customization only available in R'n'D game engine
11306   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11307     return FALSE;
11308
11309   // special case: BD style rock customization only available in BD game engine
11310   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11311     return FALSE;
11312
11313   if (IS_GEM(element) ||
11314       IS_CUSTOM_ELEMENT(element) ||
11315       IS_GROUP_ELEMENT(element) ||
11316       IS_EMPTY_ELEMENT(element) ||
11317       IS_BALLOON_ELEMENT(element) ||
11318       IS_ENVELOPE(element) ||
11319       IS_MM_ENVELOPE(element) ||
11320       IS_MM_MCDUFFIN(element) ||
11321       IS_DF_LASER(element) ||
11322       IS_PLAYER_ELEMENT(element) ||
11323       IS_BD_PLAYER_ELEMENT(element) ||
11324       IS_BD_EXPANDABLE_WALL(properties_element) ||
11325       IS_BD_CONVEYOR_BELT(properties_element) ||
11326       IS_BD_CONVEYOR_BELT_SWITCH(properties_element) ||
11327       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11328       HAS_EDITOR_CONTENT(element) ||
11329       CAN_GROW(element) ||
11330       COULD_MOVE_INTO_ACID(element) ||
11331       MAYBE_DONT_COLLIDE_WITH(element) ||
11332       element == EL_BD_ROCK ||
11333       element == EL_BD_MEGA_ROCK ||
11334       element == EL_BD_SWEET ||
11335       element == EL_BD_VOODOO_DOLL ||
11336       element == EL_BD_WATER)
11337   {
11338     return TRUE;
11339   }
11340   else
11341   {
11342     for (i = 0; elements_with_counter[i].element != -1; i++)
11343       if (elements_with_counter[i].element == element)
11344         return TRUE;
11345   }
11346
11347   return FALSE;
11348 }
11349
11350 static void SetAutomaticNumberOfGemsNeeded(void)
11351 {
11352   int x, y;
11353
11354   if (!level.auto_count_gems)
11355     return;
11356
11357   level.gems_needed = 0;
11358
11359   for (x = 0; x < lev_fieldx; x++)
11360   {
11361     for (y = 0; y < lev_fieldy; y++)
11362     {
11363       int element = Tile[x][y];
11364
11365       switch (element)
11366       {
11367         case EL_EMERALD:
11368         case EL_EMERALD_YELLOW:
11369         case EL_EMERALD_RED:
11370         case EL_EMERALD_PURPLE:
11371         case EL_BD_DIAMOND:
11372         case EL_WALL_EMERALD:
11373         case EL_WALL_EMERALD_YELLOW:
11374         case EL_WALL_EMERALD_RED:
11375         case EL_WALL_EMERALD_PURPLE:
11376         case EL_WALL_BD_DIAMOND:
11377         case EL_NUT:
11378         case EL_SP_INFOTRON:
11379         case EL_MM_KETTLE:
11380         case EL_DF_CELL:
11381           level.gems_needed++;
11382           break;
11383
11384         case EL_DIAMOND:
11385         case EL_WALL_DIAMOND:
11386           level.gems_needed += 3;
11387           break;
11388
11389         case EL_PEARL:
11390         case EL_WALL_PEARL:
11391           level.gems_needed += 5;
11392           break;
11393
11394         case EL_CRYSTAL:
11395         case EL_WALL_CRYSTAL:
11396           level.gems_needed += 8;
11397           break;
11398
11399         default:
11400           break;
11401       }
11402     }
11403   }
11404
11405   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11406 }
11407
11408 static void DrawPropertiesConfig(void)
11409 {
11410   boolean draw_footer_line = FALSE;
11411   int max_num_element_counters = 4;
11412   int num_element_counters = 0;
11413   int i;
11414
11415   if (!checkPropertiesConfig(properties_element))
11416   {
11417     int xpos = ED_ELEMENT_SETTINGS_X(0);
11418     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11419
11420     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
11421
11422     return;
11423   }
11424
11425   // check if there are elements where a value can be chosen for
11426   for (i = 0; elements_with_counter[i].element != -1; i++)
11427   {
11428     if (elements_with_counter[i].element != properties_element)
11429       continue;
11430
11431     // special case: score for extra diamonds only available in BD game engine
11432     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
11433         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
11434         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11435       continue;
11436
11437     // special case: some amoeba counters only available in BD game engine
11438     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11439         elements_with_counter[i].value != &level.amoeba_speed &&
11440         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11441       continue;
11442
11443     // special case: some amoeba counters only available in R'n'D game engine
11444     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11445         elements_with_counter[i].value == &level.amoeba_speed &&
11446         level.game_engine_type == GAME_ENGINE_TYPE_BD)
11447       continue;
11448
11449     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
11450
11451     counterbutton_info[counter_id].y =
11452       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
11453                                (CAN_GROW(properties_element)                ? 1 : 0) +
11454                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
11455                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
11456                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
11457                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
11458                                (properties_element == EL_BD_ACID            ? 1 : 0) +
11459                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
11460                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
11461                                num_element_counters);
11462
11463     // special case: set amoeba counters for BD game engine separately
11464     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
11465         (properties_element == EL_BD_AMOEBA_2))
11466       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
11467
11468     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
11469     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
11470     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
11471     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
11472
11473     // default: counter values between 0 and 999
11474     if (counterbutton_info[counter_id].max_value == 0)
11475       counterbutton_info[counter_id].max_value = 999;
11476
11477     MapCounterButtons(counter_id);
11478
11479     num_element_counters++;
11480     if (num_element_counters >= max_num_element_counters)
11481       break;
11482   }
11483
11484   if (HAS_EDITOR_CONTENT(properties_element))
11485   {
11486     // draw stickybutton gadget
11487     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11488
11489     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11490     {
11491       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11492       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11493
11494       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
11495       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
11496     }
11497     else if (properties_element == EL_BD_AMOEBA_2)
11498     {
11499       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11500       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11501       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
11502
11503       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
11504       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
11505       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
11506       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
11507     }
11508     else if (IS_AMOEBOID(properties_element))
11509       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
11510     else if (properties_element == EL_BD_ACID)
11511     {
11512       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
11513       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
11514     }
11515     else if (IS_BD_BITER(properties_element))
11516     {
11517       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
11518     }
11519     else if (properties_element == EL_BD_BLADDER)
11520     {
11521       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
11522     }
11523     else if (properties_element == EL_YAMYAM ||
11524              properties_element == EL_YAMYAM_LEFT ||
11525              properties_element == EL_YAMYAM_RIGHT ||
11526              properties_element == EL_YAMYAM_UP ||
11527              properties_element == EL_YAMYAM_DOWN)
11528       DrawYamYamContentAreas();
11529     else if (properties_element == EL_EMC_MAGIC_BALL)
11530     {
11531       DrawMagicBallContentAreas();
11532
11533       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
11534       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
11535     }
11536     else if (properties_element == EL_EMC_ANDROID)
11537       DrawAndroidElementArea();
11538     else if (properties_element == EL_MM_GRAY_BALL)
11539     {
11540       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
11541       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
11542       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
11543       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
11544
11545       DrawMMBallContentArea();
11546     }
11547   }
11548
11549   if (IS_PLAYER_ELEMENT(properties_element))
11550   {
11551     int player_nr = GET_PLAYER_NR(properties_element);
11552
11553     // these properties can be set for every player individually
11554
11555     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11556     {
11557       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
11558         &level.start_element[player_nr];
11559       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
11560         &level.artwork_element[player_nr];
11561       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
11562         &level.explosion_element[player_nr];
11563
11564       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
11565         &level.use_start_element[player_nr];
11566       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
11567         &level.use_artwork_element[player_nr];
11568       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
11569         &level.use_explosion_element[player_nr];
11570       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
11571         &level.initial_player_gravity[player_nr];
11572
11573       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
11574         &level.initial_player_stepsize[player_nr];
11575
11576       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
11577       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
11578                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
11579                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
11580       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
11581       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
11582       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
11583       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
11584       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
11585       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
11586       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
11587       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
11588       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
11589       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
11590       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
11591
11592       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
11593       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
11594       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
11595
11596       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11597     }
11598     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11599     {
11600       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11601         &level.initial_inventory_content[player_nr][0];
11602
11603       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
11604         &level.initial_inventory_size[player_nr];
11605
11606       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11607         &level.use_initial_inventory[player_nr];
11608
11609       // draw checkbutton gadgets
11610       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11611       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11612       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11613
11614       // draw counter gadgets
11615       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11616
11617       // draw drawing area gadgets
11618       DrawPlayerInitialInventoryArea(properties_element);
11619     }
11620   }
11621
11622   if (IS_BD_PLAYER_ELEMENT(properties_element))
11623   {
11624     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11625       ED_ELEMENT_SETTINGS_YPOS(2);
11626     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11627       ED_ELEMENT_SETTINGS_YPOS(3);
11628     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11629       ED_ELEMENT_SETTINGS_YPOS(4);
11630
11631     // draw checkbutton gadgets
11632     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11633     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
11634     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11635
11636     // draw counter gadgets
11637     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11638     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11639
11640     // draw drawing area gadgets
11641     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
11642   }
11643
11644   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11645   {
11646     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11647       ED_ELEMENT_SETTINGS_YPOS(0);
11648     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11649       ED_ELEMENT_SETTINGS_YPOS(1);
11650
11651     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11652     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11653   }
11654
11655   if (properties_element == EL_BD_MEGA_ROCK ||
11656       properties_element == EL_BD_SWEET)
11657   {
11658     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11659       ED_ELEMENT_SETTINGS_YPOS(0);
11660     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11661       ED_ELEMENT_SETTINGS_YPOS(1);
11662
11663     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11664     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11665   }
11666
11667   if (properties_element == EL_BD_VOODOO_DOLL)
11668   {
11669     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
11670     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
11671     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
11672     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
11673   }
11674
11675   if (properties_element == EL_BD_SLIME)
11676   {
11677     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
11678   }
11679
11680   if (properties_element == EL_BD_MAGIC_WALL)
11681   {
11682     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
11683     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
11684   }
11685
11686   if (IS_BD_EXPANDABLE_WALL(properties_element))
11687   {
11688     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
11689   }
11690
11691   if (properties_element == EL_BD_REPLICATOR)
11692   {
11693     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
11694   }
11695
11696   if (IS_BD_CONVEYOR_BELT(properties_element) ||
11697       IS_BD_CONVEYOR_BELT_SWITCH(properties_element))
11698   {
11699     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
11700     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
11701   }
11702
11703   if (properties_element == EL_BD_WATER)
11704   {
11705     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN);
11706   }
11707
11708   // special case: slippery walls option for gems only available in R'n'D game engine
11709   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
11710     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
11711
11712   if (properties_element == EL_EM_DYNAMITE)
11713     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
11714
11715   if (COULD_MOVE_INTO_ACID(properties_element) &&
11716       !IS_PLAYER_ELEMENT(properties_element) &&
11717       (!IS_CUSTOM_ELEMENT(properties_element) ||
11718        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
11719   {
11720     // set position for checkbutton for "can move into acid"
11721     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
11722       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
11723     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
11724       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
11725                                IS_BALLOON_ELEMENT(properties_element) ||
11726                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11727
11728     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
11729   }
11730
11731   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
11732     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
11733
11734   if (properties_element == EL_SPRING ||
11735       properties_element == EL_SPRING_LEFT ||
11736       properties_element == EL_SPRING_RIGHT)
11737     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
11738
11739   if (properties_element == EL_TIME_ORB_FULL)
11740     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
11741
11742   if (properties_element == EL_GAME_OF_LIFE ||
11743       properties_element == EL_BIOMAZE)
11744     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
11745
11746   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11747   {
11748     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
11749       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11750
11751     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
11752   }
11753
11754   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
11755     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
11756
11757   if (properties_element == EL_SOKOBAN_OBJECT)
11758     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
11759
11760   if (properties_element == EL_SOKOBAN_OBJECT ||
11761       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
11762       properties_element == EL_SOKOBAN_FIELD_FULL)
11763   {
11764     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
11765       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
11766                                0 : 1);
11767
11768     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
11769   }
11770
11771   if (IS_BALLOON_ELEMENT(properties_element))
11772     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
11773
11774   if (IS_ENVELOPE(properties_element) ||
11775       IS_MM_ENVELOPE(properties_element))
11776   {
11777     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
11778     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
11779     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
11780     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
11781     int envelope_nr = ENVELOPE_NR(properties_element);
11782
11783     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
11784     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
11785
11786     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
11787     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
11788
11789     // display counter to choose size of envelope text area
11790     MapCounterButtons(counter1_id);
11791     MapCounterButtons(counter2_id);
11792
11793     // display checkbuttons to choose auto-wrap and alignment properties
11794     MapCheckbuttonGadget(button1_id);
11795     MapCheckbuttonGadget(button2_id);
11796
11797     DrawEnvelopeTextArea(envelope_nr);
11798   }
11799
11800   if (IS_MM_MCDUFFIN(properties_element))
11801   {
11802     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
11803     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
11804     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
11805   }
11806
11807   if (IS_DF_LASER(properties_element))
11808   {
11809     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
11810     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
11811     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
11812   }
11813
11814   if (IS_CUSTOM_ELEMENT(properties_element))
11815   {
11816     // draw stickybutton gadget
11817     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11818
11819     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11820     {
11821       // draw checkbutton gadgets
11822       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
11823            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
11824         MapCheckbuttonGadget(i);
11825
11826       // draw counter gadgets
11827       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
11828            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
11829         MapCounterButtons(i);
11830
11831       // draw selectbox gadgets
11832       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
11833            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
11834         MapSelectboxGadget(i);
11835
11836       // draw textbutton gadgets
11837       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11838
11839       // draw text input gadgets
11840       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11841
11842       // draw drawing area gadgets
11843       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11844
11845       draw_footer_line = TRUE;
11846     }
11847     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11848     {
11849       // draw checkbutton gadgets
11850       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
11851            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
11852         MapCheckbuttonGadget(i);
11853
11854       // draw counter gadgets
11855       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
11856            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
11857         MapCounterButtons(i);
11858
11859       // draw selectbox gadgets
11860       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
11861            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
11862         MapSelectboxGadget(i);
11863
11864       // draw drawing area gadgets
11865       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
11866       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
11867       DrawCustomContentArea();
11868     }
11869   }
11870   else if (IS_GROUP_ELEMENT(properties_element))
11871   {
11872     // draw stickybutton gadget
11873     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11874
11875     // draw checkbutton gadgets
11876     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11877     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11878
11879     // draw counter gadgets
11880     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
11881
11882     // draw selectbox gadgets
11883     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
11884
11885     // draw textbutton gadgets
11886     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11887
11888     // draw drawing area gadgets
11889     DrawGroupElementArea();
11890
11891     // draw text input gadgets
11892     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11893
11894     // draw drawing area gadgets
11895     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11896
11897     draw_footer_line = TRUE;
11898   }
11899   else if (IS_EMPTY_ELEMENT(properties_element))
11900   {
11901     // draw stickybutton gadget
11902     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11903
11904     // draw checkbutton gadgets
11905     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11906     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11907
11908     // draw textbutton gadgets
11909     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11910
11911     // draw drawing area gadgets
11912     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11913
11914     draw_footer_line = TRUE;
11915   }
11916
11917   // draw little footer border line above CE/GE use/save template gadgets
11918   if (draw_footer_line)
11919   {
11920     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11921     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11922     int gd_x = gd->x + gd_gi1->border.width / 2;
11923     int gd_y = gd->y + gd_gi1->height - 1;
11924     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
11925
11926     if (tab_color != BLACK_PIXEL)               // black => transparent
11927       FillRectangle(drawto,
11928                     SX + ED_ELEMENT_SETTINGS_X(0),
11929                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
11930                     ED_TAB_BAR_HEIGHT,
11931                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11932   }
11933 }
11934
11935 static void DrawPropertiesChangeDrawingAreas(void)
11936 {
11937   if (IS_CUSTOM_ELEMENT(properties_element))
11938   {
11939     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
11940     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
11941     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
11942
11943     DrawCustomChangeContentArea();
11944   }
11945
11946   redraw_mask |= REDRAW_FIELD;
11947 }
11948
11949 static void DrawPropertiesChange(void)
11950 {
11951   int i;
11952
11953   // needed to initially set selectbox options for special action options
11954   setSelectboxSpecialActionOptions();
11955
11956   // draw stickybutton gadget
11957   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11958
11959   // draw checkbutton gadgets
11960   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
11961        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
11962     MapCheckbuttonGadget(i);
11963
11964   // draw counter gadgets
11965   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
11966        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
11967     MapCounterButtons(i);
11968
11969   // draw selectbox gadgets
11970   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
11971        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
11972     MapSelectboxGadget(i);
11973
11974   // draw textbutton gadgets
11975   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
11976        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
11977     MapTextbuttonGadget(i);
11978
11979   // draw graphicbutton gadgets
11980   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
11981        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
11982     MapGraphicbuttonGadget(i);
11983
11984   // draw drawing area gadgets
11985   DrawPropertiesChangeDrawingAreas();
11986 }
11987
11988 static void DrawEditorElementAnimation(int x, int y)
11989 {
11990   int graphic;
11991   int frame;
11992
11993   getEditorGraphicAndFrame(properties_element, &graphic, &frame, FALSE);
11994
11995   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
11996 }
11997
11998 static void DrawEditorElementName(int x, int y, int font_nr)
11999 {
12000   char *element_name = getElementInfoText(properties_element);
12001   int font_width = getFontWidth(font_nr);
12002   int font_height = getFontHeight(font_nr);
12003   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
12004   int max_chars_per_line = max_text_width / font_width;
12005
12006   if (strlen(element_name) <= max_chars_per_line)
12007     DrawTextS(x, y, font_nr, element_name);
12008   else
12009   {
12010     char buffer[max_chars_per_line + 1];
12011     int next_pos = max_chars_per_line;
12012
12013     strncpy(buffer, element_name, max_chars_per_line);
12014     buffer[max_chars_per_line] = '\0';
12015
12016     if (element_name[max_chars_per_line] == ' ')
12017       next_pos++;
12018     else
12019     {
12020       int i;
12021
12022       for (i = max_chars_per_line - 1; i >= 0; i--)
12023         if (buffer[i] == ' ')
12024           break;
12025
12026       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
12027       {
12028         buffer[i] = '\0';
12029         next_pos = i + 1;
12030       }
12031     }
12032
12033     DrawTextS(x, y - font_height / 2, font_nr, buffer);
12034
12035     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
12036     buffer[max_chars_per_line] = '\0';
12037
12038     DrawTextS(x, y + font_height / 2, font_nr, buffer);
12039   }
12040 }
12041
12042 static void DrawPropertiesWindow(void)
12043 {
12044   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
12045   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12046   int border_size = gd->border_size;
12047   int font_nr = FONT_TEXT_1;
12048   int font_height = getFontHeight(font_nr);
12049   int xoffset = TILEX + element_border + 3 * border_size;
12050   int yoffset = (TILEY - font_height) / 2;
12051   int x1 = editor.settings.element_graphic.x + element_border;
12052   int y1 = editor.settings.element_graphic.y + element_border;
12053   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
12054             editor.settings.element_name.x);
12055   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
12056             editor.settings.element_name.y);
12057   char *text = "Element Settings";
12058   int font2_nr = FONT_TITLE_1;
12059   struct MenuPosInfo *pos = &editor.settings.headline;
12060   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
12061   int sy = SY + pos->y;
12062
12063   stick_element_properties_window = FALSE;
12064
12065   // make sure that previous properties edit mode exists for this element
12066   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
12067       !IS_CUSTOM_ELEMENT(properties_element))
12068     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
12069
12070   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
12071       !IS_PLAYER_ELEMENT(properties_element) &&
12072       !IS_CUSTOM_ELEMENT(properties_element))
12073     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
12074
12075   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
12076       (IS_PLAYER_ELEMENT(properties_element) ||
12077        IS_CUSTOM_ELEMENT(properties_element)))
12078     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
12079
12080   CopyElementPropertiesToEditor(properties_element);
12081
12082   UnmapLevelEditorFieldGadgets();
12083   UnmapLevelEditorToolboxDrawingGadgets();
12084   UnmapLevelEditorToolboxCustomGadgets();
12085
12086   MapLevelEditorToolboxCustomGadgetsIfNeeded();
12087
12088   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12089   ClearField();
12090
12091   DrawText(sx, sy, text, font2_nr);
12092
12093   FrameCounter = 0;     // restart animation frame counter
12094
12095   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
12096   DrawEditorElementAnimation(SX + x1, SY + y1);
12097   DrawEditorElementName(x2, y2, font_nr);
12098
12099   DrawPropertiesTabulatorGadgets();
12100
12101   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
12102     DrawPropertiesInfo();
12103   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
12104     DrawPropertiesChange();
12105   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
12106     DrawPropertiesConfig();
12107 }
12108
12109 static void DrawPaletteWindow(void)
12110 {
12111   int i;
12112
12113   UnmapLevelEditorFieldGadgets();
12114
12115   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12116   ClearField();
12117
12118   // map buttons to select elements
12119   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
12120     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
12121   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
12122   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
12123   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
12124 }
12125
12126 static void UpdateCustomElementGraphicGadgets(void)
12127 {
12128   int i;
12129
12130   InitElementPropertiesGfxElement();
12131
12132   ModifyEditorElementList();
12133   RedrawDrawingElements();
12134
12135   // force redraw of all mapped drawing area gadgets
12136   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
12137   {
12138     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
12139
12140     if (gi->mapped)
12141       MapDrawingArea(i);
12142   }
12143 }
12144
12145 static int getOpenDirectionFromTube(int element)
12146 {
12147   switch (element)
12148   {
12149     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
12150     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
12151     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
12152     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
12153     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
12154     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
12155     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
12156     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
12157     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
12158     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
12159     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
12160   }
12161
12162   return MV_NONE;
12163 }
12164
12165 static int getTubeFromOpenDirection(int direction)
12166 {
12167   switch (direction)
12168   {
12169     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
12170     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
12171     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
12172     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
12173     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
12174     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
12175     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
12176     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
12177     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
12178     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
12179     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
12180
12181     // if only one direction, fall back to simple tube with that direction
12182     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
12183     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
12184     case (MV_UP):                       return EL_TUBE_VERTICAL;
12185     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
12186   }
12187
12188   return EL_EMPTY;
12189 }
12190
12191 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
12192 {
12193   int element_new = getTubeFromOpenDirection(direction);
12194
12195   return (element_new != EL_EMPTY ? element_new : element_old);
12196 }
12197
12198 static int getOpenDirectionFromBelt(int element)
12199 {
12200   int belt_dir = getBeltDirFromBeltElement(element);
12201
12202   return (belt_dir == MV_LEFT ? MV_RIGHT :
12203           belt_dir == MV_RIGHT ? MV_LEFT :
12204           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
12205 }
12206
12207 static int getBeltFromNrAndOpenDirection(int nr, int direction)
12208 {
12209   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
12210                   direction == MV_RIGHT ? MV_LEFT :
12211                   direction == MV_HORIZONTAL ? MV_NONE : direction);
12212
12213   if (direction == MV_NONE)
12214     return EL_EMPTY;
12215
12216   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
12217 }
12218
12219 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
12220                                                  int element_old)
12221 {
12222   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
12223
12224   return (element_new != EL_EMPTY ? element_new : element_old);
12225 }
12226
12227 static int getOpenDirectionFromPool(int element)
12228 {
12229   switch (element)
12230   {
12231     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
12232     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
12233     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
12234     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
12235     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
12236     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
12237   }
12238
12239   return MV_NONE;
12240 }
12241
12242 static int getPoolFromOpenDirection(int direction)
12243 {
12244   switch (direction)
12245   {
12246     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
12247     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
12248     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
12249     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
12250     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
12251     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
12252   }
12253
12254   return EL_EMPTY;
12255 }
12256
12257 static int getPoolFromOpenDirectionExt(int direction, int help_element)
12258 {
12259   int element = getPoolFromOpenDirection(direction);
12260   int help_direction = getOpenDirectionFromPool(help_element);
12261
12262   if (element == EL_EMPTY)
12263   {
12264     int help_direction_vertical = help_direction & MV_VERTICAL;
12265
12266     element = getPoolFromOpenDirection(direction | help_direction_vertical);
12267   }
12268
12269   if (element == EL_EMPTY)
12270   {
12271     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
12272
12273     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
12274   }
12275
12276   return element;
12277 }
12278
12279 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
12280 {
12281   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
12282
12283   return (element_new != EL_EMPTY ? element_new : element_old);
12284 }
12285
12286 static int getOpenDirectionFromPillar(int element)
12287 {
12288   switch (element)
12289   {
12290     case EL_EMC_WALL_1:                 return (MV_DOWN);
12291     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
12292     case EL_EMC_WALL_3:                 return (MV_UP);
12293   }
12294
12295   return MV_NONE;
12296 }
12297
12298 static int getPillarFromOpenDirection(int direction)
12299 {
12300   switch (direction)
12301   {
12302     case (MV_DOWN):                     return EL_EMC_WALL_1;
12303     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
12304     case (MV_UP):                       return EL_EMC_WALL_3;
12305   }
12306
12307   return EL_EMPTY;
12308 }
12309
12310 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
12311 {
12312   int element_new = getPillarFromOpenDirection(direction);
12313
12314   return (element_new != EL_EMPTY ? element_new : element_old);
12315 }
12316
12317 static int getOpenDirectionFromSteel2(int element)
12318 {
12319   switch (element)
12320   {
12321     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
12322     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
12323     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
12324     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
12325     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
12326     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
12327     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
12328     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
12329   }
12330
12331   return MV_NONE;
12332 }
12333
12334 static int getSteel2FromOpenDirection(int direction)
12335 {
12336   switch (direction)
12337   {
12338     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
12339     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
12340     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
12341     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
12342     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
12343     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
12344     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
12345     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
12346   }
12347
12348   return EL_EMPTY;
12349 }
12350
12351 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
12352 {
12353   int element_new = getSteel2FromOpenDirection(direction);
12354
12355   return (element_new != EL_EMPTY ? element_new : element_old);
12356 }
12357
12358 static int getOpenDirectionFromChip(int element)
12359 {
12360   switch (element)
12361   {
12362     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
12363     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
12364     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
12365     case EL_SP_CHIP_TOP:                return (MV_DOWN);
12366     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
12367   }
12368
12369   return MV_NONE;
12370 }
12371
12372 static int getChipFromOpenDirection(int direction)
12373 {
12374   switch (direction)
12375   {
12376     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
12377     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
12378     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
12379     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
12380     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
12381   }
12382
12383   return EL_EMPTY;
12384 }
12385
12386 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
12387 {
12388   int element_new = getChipFromOpenDirection(direction);
12389
12390   return (element_new != EL_EMPTY ? element_new : element_old);
12391 }
12392
12393 static int getClosedTube(int x, int y)
12394 {
12395   struct XY *xy = xy_directions;
12396   int element_old = IntelliDrawBuffer[x][y];
12397   int direction_old = getOpenDirectionFromTube(element_old);
12398   int direction_new = MV_NONE;
12399   int i;
12400
12401   for (i = 0; i < NUM_DIRECTIONS; i++)
12402   {
12403     int xx = x + xy[i].x;
12404     int yy = y + xy[i].y;
12405     int dir = MV_DIR_FROM_BIT(i);
12406     int dir_opposite = MV_DIR_OPPOSITE(dir);
12407
12408     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
12409         (direction_old & dir) &&
12410         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12411       direction_new |= dir;
12412   }
12413
12414   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
12415 }
12416
12417 static int getClosedBelt(int x, int y)
12418 {
12419   struct XY *xy = xy_directions;
12420   int element_old = IntelliDrawBuffer[x][y];
12421   int nr = getBeltNrFromBeltElement(element_old);
12422   int direction_old = getOpenDirectionFromBelt(element_old);
12423   int direction_new = MV_NONE;
12424   int i;
12425
12426   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12427   {
12428     int xx = x + xy[i].x;
12429     int yy = y + xy[i].y;
12430     int dir = MV_DIR_FROM_BIT(i);
12431     int dir_opposite = MV_DIR_OPPOSITE(dir);
12432
12433     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
12434         (direction_old & dir) &&
12435         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12436       direction_new |= dir;
12437   }
12438
12439   return getBeltFromNrAndOpenDirection(nr, direction_new);
12440 }
12441
12442 static int getClosedPool(int x, int y)
12443 {
12444   struct XY *xy = xy_directions;
12445   int element_old = IntelliDrawBuffer[x][y];
12446   int direction_old = getOpenDirectionFromPool(element_old);
12447   int direction_new = MV_NONE;
12448   int i;
12449
12450   for (i = 0; i < NUM_DIRECTIONS; i++)
12451   {
12452     int xx = x + xy[i].x;
12453     int yy = y + xy[i].y;
12454     int dir = MV_DIR_FROM_BIT(i);
12455     int dir_opposite = MV_DIR_OPPOSITE(dir);
12456
12457     if (IN_LEV_FIELD(xx, yy) &&
12458         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
12459         (direction_old & dir) &&
12460         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12461       direction_new |= dir;
12462   }
12463
12464   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
12465 }
12466
12467 static int getClosedPillar(int x, int y)
12468 {
12469   struct XY *xy = xy_directions;
12470   int element_old = IntelliDrawBuffer[x][y];
12471   int direction_old = getOpenDirectionFromPillar(element_old);
12472   int direction_new = MV_NONE;
12473   int i;
12474
12475   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12476   {
12477     int xx = x + xy[i].x;
12478     int yy = y + xy[i].y;
12479     int dir = MV_DIR_FROM_BIT(i);
12480     int dir_opposite = MV_DIR_OPPOSITE(dir);
12481
12482     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
12483         (direction_old & dir) &&
12484         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12485       direction_new |= dir;
12486   }
12487
12488   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
12489 }
12490
12491 static int getClosedSteel2(int x, int y)
12492 {
12493   struct XY *xy = xy_directions;
12494   int element_old = IntelliDrawBuffer[x][y];
12495   int direction_old = getOpenDirectionFromSteel2(element_old);
12496   int direction_new = MV_NONE;
12497   int i;
12498
12499   for (i = 0; i < NUM_DIRECTIONS; i++)
12500   {
12501     int xx = x + xy[i].x;
12502     int yy = y + xy[i].y;
12503     int dir = MV_DIR_FROM_BIT(i);
12504     int dir_opposite = MV_DIR_OPPOSITE(dir);
12505
12506     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
12507         (direction_old & dir) &&
12508         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12509       direction_new |= dir;
12510   }
12511
12512   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
12513 }
12514
12515 static int getClosedChip(int x, int y)
12516 {
12517   struct XY *xy = xy_directions;
12518   int element_old = IntelliDrawBuffer[x][y];
12519   int direction_old = getOpenDirectionFromChip(element_old);
12520   int direction_new = MV_NONE;
12521   int i;
12522
12523   for (i = 0; i < NUM_DIRECTIONS; i++)
12524   {
12525     int xx = x + xy[i].x;
12526     int yy = y + xy[i].y;
12527     int dir = MV_DIR_FROM_BIT(i);
12528     int dir_opposite = MV_DIR_OPPOSITE(dir);
12529
12530     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
12531         (direction_old & dir) &&
12532         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12533       direction_new |= dir;
12534   }
12535
12536   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
12537 }
12538
12539 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
12540                                 boolean change_level)
12541 {
12542   int sx = x - level_xpos;
12543   int sy = y - level_ypos;
12544   int old_element = Tile[x][y];
12545   int new_element = element;
12546   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
12547   boolean draw_masked = FALSE;
12548
12549   if (IS_MM_WALL_EDITOR(element))
12550   {
12551     element = map_mm_wall_element_editor(element) | new_bitmask;
12552
12553     if (IS_MM_WALL(old_element))
12554       element |= MM_WALL_BITS(old_element);
12555
12556     if (!change_level)
12557       draw_masked = TRUE;
12558   }
12559   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
12560   {
12561     int element_changed = old_element & ~new_bitmask;
12562
12563     if (MM_WALL_BITS(element_changed) != 0)
12564       element = element_changed;
12565   }
12566
12567   IntelliDrawBuffer[x][y] = element;
12568
12569   if (change_level)
12570     Tile[x][y] = element;
12571
12572   if (IN_ED_FIELD(sx, sy))
12573   {
12574     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
12575       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
12576     else if (draw_masked)
12577       DrawEditorElementThruMask(sx, sy, element);
12578     else
12579       DrawEditorElement(sx, sy, element);
12580   }
12581 }
12582
12583 static void SetElementSimple(int x, int y, int element, boolean change_level)
12584 {
12585   SetElementSimpleExt(x, y, 0, 0, element, change_level);
12586 }
12587
12588 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
12589                                            int x2, int y2, int *element2,
12590                                            int (*close_function)(int, int),
12591                                            boolean change_level)
12592 {
12593   // set neighbour elements to newly determined connections
12594   SetElementSimple(x1, y1, *element1, change_level);
12595   SetElementSimple(x2, y2, *element2, change_level);
12596
12597   // remove all open connections of neighbour elements
12598   *element1 = close_function(x1, y1);
12599   *element2 = close_function(x2, y2);
12600
12601   // set neighbour elements to new, minimized connections
12602   SetElementSimple(x1, y1, *element1, change_level);
12603   SetElementSimple(x2, y2, *element2, change_level);
12604 }
12605
12606 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
12607                                   boolean change_level, int button)
12608 {
12609   struct XY *xy = xy_directions;
12610   static int last_x = -1;
12611   static int last_y = -1;
12612
12613   if (new_element == EL_UNDEFINED)
12614   {
12615     last_x = -1;
12616     last_y = -1;
12617
12618     return;
12619   }
12620
12621   int old_element = IntelliDrawBuffer[x][y];
12622
12623   if (IS_TUBE(new_element))
12624   {
12625     int last_element_new = EL_UNDEFINED;
12626     int direction = MV_NONE;
12627     int i;
12628
12629     // if old element is of same kind, keep all existing directions
12630     if (IS_TUBE(old_element))
12631       direction |= getOpenDirectionFromTube(old_element);
12632
12633     for (i = 0; i < NUM_DIRECTIONS; i++)
12634     {
12635       int xx = x + xy[i].x;
12636       int yy = y + xy[i].y;
12637
12638       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12639           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
12640       {
12641         int dir = MV_DIR_FROM_BIT(i);
12642         int dir_opposite = MV_DIR_OPPOSITE(dir);
12643         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12644         int last_direction_old = getOpenDirectionFromTube(last_element_old);
12645         int last_direction_new = last_direction_old | dir_opposite;
12646
12647         last_element_new = getTubeFromOpenDirection(last_direction_new);
12648
12649         direction |= dir;
12650       }
12651     }
12652
12653     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
12654
12655     if (last_element_new != EL_UNDEFINED)
12656       MergeAndCloseNeighbourElements(x, y, &new_element,
12657                                      last_x, last_y, &last_element_new,
12658                                      getClosedTube, change_level);
12659   }
12660   else if (IS_BELT(new_element))
12661   {
12662     int belt_nr = getBeltNrFromBeltElement(new_element);
12663     int last_element_new = EL_UNDEFINED;
12664     int direction = MV_NONE;
12665     int i;
12666
12667     // if old element is of same kind, keep all existing directions
12668     if (IS_BELT(old_element))
12669       direction |= getOpenDirectionFromBelt(old_element);
12670
12671     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12672     {
12673       int xx = x + xy[i].x;
12674       int yy = y + xy[i].y;
12675
12676       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12677           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
12678       {
12679         int dir = MV_DIR_FROM_BIT(i);
12680         int dir_opposite = MV_DIR_OPPOSITE(dir);
12681         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12682         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
12683         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
12684         int last_direction_new = last_direction_old | dir_opposite;
12685
12686         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
12687                                                          last_direction_new);
12688         direction |= dir;
12689       }
12690     }
12691
12692     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
12693                                                         new_element);
12694     if (last_element_new != EL_UNDEFINED)
12695       MergeAndCloseNeighbourElements(x, y, &new_element,
12696                                      last_x, last_y, &last_element_new,
12697                                      getClosedBelt, change_level);
12698   }
12699   else if (IS_ACID_POOL_OR_ACID(new_element))
12700   {
12701     int last_element_new = EL_UNDEFINED;
12702     int direction = MV_NONE;
12703     int i;
12704
12705     // if old element is of same kind, keep all existing directions
12706     if (IS_ACID_POOL_OR_ACID(old_element))
12707       direction |= getOpenDirectionFromPool(old_element);
12708
12709     for (i = 0; i < NUM_DIRECTIONS; i++)
12710     {
12711       int xx = x + xy[i].x;
12712       int yy = y + xy[i].y;
12713
12714       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12715           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
12716       {
12717         int dir = MV_DIR_FROM_BIT(i);
12718         int dir_opposite = MV_DIR_OPPOSITE(dir);
12719         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12720         int last_direction_old = getOpenDirectionFromPool(last_element_old);
12721         int last_direction_new = last_direction_old | dir_opposite;
12722
12723         last_element_new = getPoolFromOpenDirection(last_direction_new);
12724
12725         direction |= dir;
12726       }
12727     }
12728
12729     // special corrections needed for intuitively correct acid pool drawing
12730     if (last_element_new == EL_EMPTY)
12731       last_element_new = new_element;
12732     else if (last_element_new != EL_UNDEFINED)
12733       new_element = last_element_new;
12734
12735     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
12736
12737     if (last_element_new != EL_UNDEFINED)
12738       MergeAndCloseNeighbourElements(x, y, &new_element,
12739                                      last_x, last_y, &last_element_new,
12740                                      getClosedPool, change_level);
12741   }
12742   else if (IS_EMC_PILLAR(new_element))
12743   {
12744     int last_element_new = EL_UNDEFINED;
12745     int direction = MV_NONE;
12746     int i;
12747
12748     // if old element is of same kind, keep all existing directions
12749     if (IS_EMC_PILLAR(old_element))
12750       direction |= getOpenDirectionFromPillar(old_element);
12751
12752     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12753     {
12754       int xx = x + xy[i].x;
12755       int yy = y + xy[i].y;
12756
12757       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12758           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
12759       {
12760         int dir = MV_DIR_FROM_BIT(i);
12761         int dir_opposite = MV_DIR_OPPOSITE(dir);
12762         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12763         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
12764         int last_direction_new = last_direction_old | dir_opposite;
12765
12766         last_element_new = getPillarFromOpenDirection(last_direction_new);
12767
12768         direction |= dir;
12769       }
12770     }
12771
12772     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
12773
12774     if (last_element_new != EL_UNDEFINED)
12775       MergeAndCloseNeighbourElements(x, y, &new_element,
12776                                      last_x, last_y, &last_element_new,
12777                                      getClosedPillar, change_level);
12778   }
12779   else if (IS_DC_STEELWALL_2(new_element))
12780   {
12781     int last_element_new = EL_UNDEFINED;
12782     int direction = MV_NONE;
12783     int i;
12784
12785     // if old element is of same kind, keep all existing directions
12786     if (IS_DC_STEELWALL_2(old_element))
12787       direction |= getOpenDirectionFromSteel2(old_element);
12788
12789     for (i = 0; i < NUM_DIRECTIONS; i++)
12790     {
12791       int xx = x + xy[i].x;
12792       int yy = y + xy[i].y;
12793
12794       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12795           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
12796       {
12797         int dir = MV_DIR_FROM_BIT(i);
12798         int dir_opposite = MV_DIR_OPPOSITE(dir);
12799         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12800         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
12801         int last_direction_new = last_direction_old | dir_opposite;
12802
12803         last_element_new = getSteel2FromOpenDirection(last_direction_new);
12804
12805         direction |= dir;
12806       }
12807     }
12808
12809     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
12810
12811     if (last_element_new != EL_UNDEFINED)
12812       MergeAndCloseNeighbourElements(x, y, &new_element,
12813                                      last_x, last_y, &last_element_new,
12814                                      getClosedSteel2, change_level);
12815   }
12816   else if (IS_SP_CHIP(new_element))
12817   {
12818     int last_element_new = EL_UNDEFINED;
12819     int direction = MV_NONE;
12820     int i;
12821
12822     // (do not keep existing directions, regardless of kind of old element)
12823
12824     for (i = 0; i < NUM_DIRECTIONS; i++)
12825     {
12826       int xx = x + xy[i].x;
12827       int yy = y + xy[i].y;
12828
12829       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12830           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
12831       {
12832         int dir = MV_DIR_FROM_BIT(i);
12833         int dir_opposite = MV_DIR_OPPOSITE(dir);
12834         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12835         int last_direction_old = getOpenDirectionFromChip(last_element_old);
12836         int last_direction_new = last_direction_old | dir_opposite;
12837
12838         if (last_direction_old == MV_NONE)
12839         {
12840           last_element_new = getChipFromOpenDirection(last_direction_new);
12841           direction |= dir;
12842         }
12843         else if (last_direction_old & (dir | dir_opposite))
12844         {
12845           direction |= MV_DIR_OPPOSITE(last_direction_old);
12846         }
12847         else
12848         {
12849           direction |= MV_DIR_OPPOSITE(dir);
12850         }
12851       }
12852     }
12853
12854     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
12855
12856     if (last_element_new != EL_UNDEFINED)
12857       MergeAndCloseNeighbourElements(x, y, &new_element,
12858                                      last_x, last_y, &last_element_new,
12859                                      getClosedChip, change_level);
12860   }
12861   else if (IS_SP_HARDWARE_BASE(new_element))
12862   {
12863     int nr = GetSimpleRandom(6);
12864
12865     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
12866                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
12867                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
12868                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
12869                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
12870   }
12871   else if (new_element == EL_SP_HARDWARE_GREEN ||
12872            new_element == EL_SP_HARDWARE_BLUE ||
12873            new_element == EL_SP_HARDWARE_RED)
12874   {
12875     int nr = GetSimpleRandom(3);
12876
12877     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
12878                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
12879   }
12880   else if (IS_GROUP_ELEMENT(new_element))
12881   {
12882     boolean connected_drawing = FALSE;
12883     int i;
12884
12885     for (i = 0; i < NUM_DIRECTIONS; i++)
12886     {
12887       int xx = x + xy[i].x;
12888       int yy = y + xy[i].y;
12889
12890       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12891           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
12892         connected_drawing = TRUE;
12893     }
12894
12895     if (!connected_drawing)
12896       ResolveGroupElement(new_element);
12897
12898     new_element = GetElementFromGroupElement(new_element);
12899   }
12900   else if (IS_BELT_SWITCH(old_element))
12901   {
12902     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
12903     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
12904
12905     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
12906                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
12907
12908     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
12909   }
12910   else
12911   {
12912     static int swappable_elements[][2] =
12913     {
12914       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
12915       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
12916       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
12917       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
12918       { EL_EMERALD,                     EL_WALL_EMERALD                 },
12919       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
12920       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
12921       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
12922       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
12923       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
12924       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
12925       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
12926       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
12927       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
12928       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
12929       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
12930       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
12931       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
12932       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
12933       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
12934       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
12935       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
12936       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
12937       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
12938       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
12939       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
12940       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
12941       { EL_PEARL,                       EL_WALL_PEARL                   },
12942       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
12943       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
12944       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
12945       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
12946       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
12947       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
12948       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
12949       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
12950       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
12951       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
12952       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
12953       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
12954       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
12955       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
12956       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
12957       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
12958
12959       { -1,                             -1                              },
12960     };
12961     static int rotatable_elements_4[][4] =
12962     {
12963       {
12964         EL_BUG_UP,
12965         EL_BUG_RIGHT,
12966         EL_BUG_DOWN,
12967         EL_BUG_LEFT
12968       },
12969       {
12970         EL_SPACESHIP_UP,
12971         EL_SPACESHIP_RIGHT,
12972         EL_SPACESHIP_DOWN,
12973         EL_SPACESHIP_LEFT
12974       },
12975       {
12976         EL_BD_BUTTERFLY_UP,
12977         EL_BD_BUTTERFLY_RIGHT,
12978         EL_BD_BUTTERFLY_DOWN,
12979         EL_BD_BUTTERFLY_LEFT
12980       },
12981       {
12982         EL_BD_FIREFLY_UP,
12983         EL_BD_FIREFLY_RIGHT,
12984         EL_BD_FIREFLY_DOWN,
12985         EL_BD_FIREFLY_LEFT
12986       },
12987       {
12988         EL_PACMAN_UP,
12989         EL_PACMAN_RIGHT,
12990         EL_PACMAN_DOWN,
12991         EL_PACMAN_LEFT
12992       },
12993       {
12994         EL_YAMYAM_UP,
12995         EL_YAMYAM_RIGHT,
12996         EL_YAMYAM_DOWN,
12997         EL_YAMYAM_LEFT
12998       },
12999       {
13000         EL_ARROW_UP,
13001         EL_ARROW_RIGHT,
13002         EL_ARROW_DOWN,
13003         EL_ARROW_LEFT
13004       },
13005       {
13006         EL_SP_PORT_UP,
13007         EL_SP_PORT_RIGHT,
13008         EL_SP_PORT_DOWN,
13009         EL_SP_PORT_LEFT
13010       },
13011       {
13012         EL_SP_GRAVITY_PORT_UP,
13013         EL_SP_GRAVITY_PORT_RIGHT,
13014         EL_SP_GRAVITY_PORT_DOWN,
13015         EL_SP_GRAVITY_PORT_LEFT
13016       },
13017       {
13018         EL_SP_GRAVITY_ON_PORT_UP,
13019         EL_SP_GRAVITY_ON_PORT_RIGHT,
13020         EL_SP_GRAVITY_ON_PORT_DOWN,
13021         EL_SP_GRAVITY_ON_PORT_LEFT
13022       },
13023       {
13024         EL_SP_GRAVITY_OFF_PORT_UP,
13025         EL_SP_GRAVITY_OFF_PORT_RIGHT,
13026         EL_SP_GRAVITY_OFF_PORT_DOWN,
13027         EL_SP_GRAVITY_OFF_PORT_LEFT
13028       },
13029       {
13030         EL_MOLE_UP,
13031         EL_MOLE_RIGHT,
13032         EL_MOLE_DOWN,
13033         EL_MOLE_LEFT
13034       },
13035       {
13036         EL_BALLOON_SWITCH_UP,
13037         EL_BALLOON_SWITCH_RIGHT,
13038         EL_BALLOON_SWITCH_DOWN,
13039         EL_BALLOON_SWITCH_LEFT
13040       },
13041       {
13042         EL_MM_MCDUFFIN_UP,
13043         EL_MM_MCDUFFIN_RIGHT,
13044         EL_MM_MCDUFFIN_DOWN,
13045         EL_MM_MCDUFFIN_LEFT
13046       },
13047       {
13048         EL_MM_MIRROR_FIXED_1,
13049         EL_MM_MIRROR_FIXED_4,
13050         EL_MM_MIRROR_FIXED_3,
13051         EL_MM_MIRROR_FIXED_2
13052       },
13053       {
13054         EL_MM_STEEL_GRID_FIXED_1,
13055         EL_MM_STEEL_GRID_FIXED_4,
13056         EL_MM_STEEL_GRID_FIXED_2,
13057         EL_MM_STEEL_GRID_FIXED_3
13058       },
13059       {
13060         EL_MM_WOODEN_GRID_FIXED_1,
13061         EL_MM_WOODEN_GRID_FIXED_4,
13062         EL_MM_WOODEN_GRID_FIXED_2,
13063         EL_MM_WOODEN_GRID_FIXED_3
13064       },
13065       {
13066         EL_MM_POLARIZER_CROSS_1,
13067         EL_MM_POLARIZER_CROSS_4,
13068         EL_MM_POLARIZER_CROSS_3,
13069         EL_MM_POLARIZER_CROSS_2
13070       },
13071       {
13072         EL_MM_PACMAN_UP,
13073         EL_MM_PACMAN_RIGHT,
13074         EL_MM_PACMAN_DOWN,
13075         EL_MM_PACMAN_LEFT
13076       },
13077       {
13078         EL_DF_LASER_UP,
13079         EL_DF_LASER_RIGHT,
13080         EL_DF_LASER_DOWN,
13081         EL_DF_LASER_LEFT
13082       },
13083       {
13084         EL_DF_RECEIVER_UP,
13085         EL_DF_RECEIVER_RIGHT,
13086         EL_DF_RECEIVER_DOWN,
13087         EL_DF_RECEIVER_LEFT
13088       },
13089       {
13090         EL_DF_SLOPE_1,
13091         EL_DF_SLOPE_4,
13092         EL_DF_SLOPE_3,
13093         EL_DF_SLOPE_2
13094       },
13095
13096       {
13097         -1,
13098       },
13099     };
13100     static int rotatable_elements_8[][8] =
13101     {
13102       {
13103         EL_DF_STEEL_GRID_FIXED_1,
13104         EL_DF_STEEL_GRID_FIXED_8,
13105         EL_DF_STEEL_GRID_FIXED_7,
13106         EL_DF_STEEL_GRID_FIXED_6,
13107         EL_DF_STEEL_GRID_FIXED_5,
13108         EL_DF_STEEL_GRID_FIXED_4,
13109         EL_DF_STEEL_GRID_FIXED_3,
13110         EL_DF_STEEL_GRID_FIXED_2
13111       },
13112       {
13113         EL_DF_WOODEN_GRID_FIXED_1,
13114         EL_DF_WOODEN_GRID_FIXED_8,
13115         EL_DF_WOODEN_GRID_FIXED_7,
13116         EL_DF_WOODEN_GRID_FIXED_6,
13117         EL_DF_WOODEN_GRID_FIXED_5,
13118         EL_DF_WOODEN_GRID_FIXED_4,
13119         EL_DF_WOODEN_GRID_FIXED_3,
13120         EL_DF_WOODEN_GRID_FIXED_2
13121       },
13122       {
13123         EL_DF_STEEL_GRID_ROTATING_1,
13124         EL_DF_STEEL_GRID_ROTATING_8,
13125         EL_DF_STEEL_GRID_ROTATING_7,
13126         EL_DF_STEEL_GRID_ROTATING_6,
13127         EL_DF_STEEL_GRID_ROTATING_5,
13128         EL_DF_STEEL_GRID_ROTATING_4,
13129         EL_DF_STEEL_GRID_ROTATING_3,
13130         EL_DF_STEEL_GRID_ROTATING_2
13131       },
13132       {
13133         EL_DF_WOODEN_GRID_ROTATING_1,
13134         EL_DF_WOODEN_GRID_ROTATING_8,
13135         EL_DF_WOODEN_GRID_ROTATING_7,
13136         EL_DF_WOODEN_GRID_ROTATING_6,
13137         EL_DF_WOODEN_GRID_ROTATING_5,
13138         EL_DF_WOODEN_GRID_ROTATING_4,
13139         EL_DF_WOODEN_GRID_ROTATING_3,
13140         EL_DF_WOODEN_GRID_ROTATING_2
13141       },
13142
13143       {
13144         -1,
13145       },
13146     };
13147     static int rotatable_elements_16[][16] =
13148     {
13149       {
13150         EL_MM_MIRROR_1,
13151         EL_MM_MIRROR_16,
13152         EL_MM_MIRROR_15,
13153         EL_MM_MIRROR_14,
13154         EL_MM_MIRROR_13,
13155         EL_MM_MIRROR_12,
13156         EL_MM_MIRROR_11,
13157         EL_MM_MIRROR_10,
13158         EL_MM_MIRROR_9,
13159         EL_MM_MIRROR_8,
13160         EL_MM_MIRROR_7,
13161         EL_MM_MIRROR_6,
13162         EL_MM_MIRROR_5,
13163         EL_MM_MIRROR_4,
13164         EL_MM_MIRROR_3,
13165         EL_MM_MIRROR_2
13166       },
13167       {
13168         EL_MM_TELEPORTER_5,
13169         EL_MM_TELEPORTER_4,
13170         EL_MM_TELEPORTER_3,
13171         EL_MM_TELEPORTER_2,
13172         EL_MM_TELEPORTER_1,
13173         EL_MM_TELEPORTER_16,
13174         EL_MM_TELEPORTER_15,
13175         EL_MM_TELEPORTER_14,
13176         EL_MM_TELEPORTER_13,
13177         EL_MM_TELEPORTER_12,
13178         EL_MM_TELEPORTER_11,
13179         EL_MM_TELEPORTER_10,
13180         EL_MM_TELEPORTER_9,
13181         EL_MM_TELEPORTER_8,
13182         EL_MM_TELEPORTER_7,
13183         EL_MM_TELEPORTER_6
13184       },
13185       {
13186         EL_MM_TELEPORTER_RED_5,
13187         EL_MM_TELEPORTER_RED_4,
13188         EL_MM_TELEPORTER_RED_3,
13189         EL_MM_TELEPORTER_RED_2,
13190         EL_MM_TELEPORTER_RED_1,
13191         EL_MM_TELEPORTER_RED_16,
13192         EL_MM_TELEPORTER_RED_15,
13193         EL_MM_TELEPORTER_RED_14,
13194         EL_MM_TELEPORTER_RED_13,
13195         EL_MM_TELEPORTER_RED_12,
13196         EL_MM_TELEPORTER_RED_11,
13197         EL_MM_TELEPORTER_RED_10,
13198         EL_MM_TELEPORTER_RED_9,
13199         EL_MM_TELEPORTER_RED_8,
13200         EL_MM_TELEPORTER_RED_7,
13201         EL_MM_TELEPORTER_RED_6
13202       },
13203       {
13204         EL_MM_TELEPORTER_YELLOW_5,
13205         EL_MM_TELEPORTER_YELLOW_4,
13206         EL_MM_TELEPORTER_YELLOW_3,
13207         EL_MM_TELEPORTER_YELLOW_2,
13208         EL_MM_TELEPORTER_YELLOW_1,
13209         EL_MM_TELEPORTER_YELLOW_16,
13210         EL_MM_TELEPORTER_YELLOW_15,
13211         EL_MM_TELEPORTER_YELLOW_14,
13212         EL_MM_TELEPORTER_YELLOW_13,
13213         EL_MM_TELEPORTER_YELLOW_12,
13214         EL_MM_TELEPORTER_YELLOW_11,
13215         EL_MM_TELEPORTER_YELLOW_10,
13216         EL_MM_TELEPORTER_YELLOW_9,
13217         EL_MM_TELEPORTER_YELLOW_8,
13218         EL_MM_TELEPORTER_YELLOW_7,
13219         EL_MM_TELEPORTER_YELLOW_6
13220       },
13221       {
13222         EL_MM_TELEPORTER_GREEN_5,
13223         EL_MM_TELEPORTER_GREEN_4,
13224         EL_MM_TELEPORTER_GREEN_3,
13225         EL_MM_TELEPORTER_GREEN_2,
13226         EL_MM_TELEPORTER_GREEN_1,
13227         EL_MM_TELEPORTER_GREEN_16,
13228         EL_MM_TELEPORTER_GREEN_15,
13229         EL_MM_TELEPORTER_GREEN_14,
13230         EL_MM_TELEPORTER_GREEN_13,
13231         EL_MM_TELEPORTER_GREEN_12,
13232         EL_MM_TELEPORTER_GREEN_11,
13233         EL_MM_TELEPORTER_GREEN_10,
13234         EL_MM_TELEPORTER_GREEN_9,
13235         EL_MM_TELEPORTER_GREEN_8,
13236         EL_MM_TELEPORTER_GREEN_7,
13237         EL_MM_TELEPORTER_GREEN_6
13238       },
13239       {
13240         EL_MM_TELEPORTER_BLUE_5,
13241         EL_MM_TELEPORTER_BLUE_4,
13242         EL_MM_TELEPORTER_BLUE_3,
13243         EL_MM_TELEPORTER_BLUE_2,
13244         EL_MM_TELEPORTER_BLUE_1,
13245         EL_MM_TELEPORTER_BLUE_16,
13246         EL_MM_TELEPORTER_BLUE_15,
13247         EL_MM_TELEPORTER_BLUE_14,
13248         EL_MM_TELEPORTER_BLUE_13,
13249         EL_MM_TELEPORTER_BLUE_12,
13250         EL_MM_TELEPORTER_BLUE_11,
13251         EL_MM_TELEPORTER_BLUE_10,
13252         EL_MM_TELEPORTER_BLUE_9,
13253         EL_MM_TELEPORTER_BLUE_8,
13254         EL_MM_TELEPORTER_BLUE_7,
13255         EL_MM_TELEPORTER_BLUE_6
13256       },
13257       {
13258         EL_MM_POLARIZER_1,
13259         EL_MM_POLARIZER_16,
13260         EL_MM_POLARIZER_15,
13261         EL_MM_POLARIZER_14,
13262         EL_MM_POLARIZER_13,
13263         EL_MM_POLARIZER_12,
13264         EL_MM_POLARIZER_11,
13265         EL_MM_POLARIZER_10,
13266         EL_MM_POLARIZER_9,
13267         EL_MM_POLARIZER_8,
13268         EL_MM_POLARIZER_7,
13269         EL_MM_POLARIZER_6,
13270         EL_MM_POLARIZER_5,
13271         EL_MM_POLARIZER_4,
13272         EL_MM_POLARIZER_3,
13273         EL_MM_POLARIZER_2
13274       },
13275       {
13276         EL_DF_MIRROR_1,
13277         EL_DF_MIRROR_16,
13278         EL_DF_MIRROR_15,
13279         EL_DF_MIRROR_14,
13280         EL_DF_MIRROR_13,
13281         EL_DF_MIRROR_12,
13282         EL_DF_MIRROR_11,
13283         EL_DF_MIRROR_10,
13284         EL_DF_MIRROR_9,
13285         EL_DF_MIRROR_8,
13286         EL_DF_MIRROR_7,
13287         EL_DF_MIRROR_6,
13288         EL_DF_MIRROR_5,
13289         EL_DF_MIRROR_4,
13290         EL_DF_MIRROR_3,
13291         EL_DF_MIRROR_2
13292       },
13293       {
13294         EL_DF_MIRROR_ROTATING_1,
13295         EL_DF_MIRROR_ROTATING_16,
13296         EL_DF_MIRROR_ROTATING_15,
13297         EL_DF_MIRROR_ROTATING_14,
13298         EL_DF_MIRROR_ROTATING_13,
13299         EL_DF_MIRROR_ROTATING_12,
13300         EL_DF_MIRROR_ROTATING_11,
13301         EL_DF_MIRROR_ROTATING_10,
13302         EL_DF_MIRROR_ROTATING_9,
13303         EL_DF_MIRROR_ROTATING_8,
13304         EL_DF_MIRROR_ROTATING_7,
13305         EL_DF_MIRROR_ROTATING_6,
13306         EL_DF_MIRROR_ROTATING_5,
13307         EL_DF_MIRROR_ROTATING_4,
13308         EL_DF_MIRROR_ROTATING_3,
13309         EL_DF_MIRROR_ROTATING_2
13310       },
13311       {
13312         EL_DF_MIRROR_FIXED_1,
13313         EL_DF_MIRROR_FIXED_16,
13314         EL_DF_MIRROR_FIXED_15,
13315         EL_DF_MIRROR_FIXED_14,
13316         EL_DF_MIRROR_FIXED_13,
13317         EL_DF_MIRROR_FIXED_12,
13318         EL_DF_MIRROR_FIXED_11,
13319         EL_DF_MIRROR_FIXED_10,
13320         EL_DF_MIRROR_FIXED_9,
13321         EL_DF_MIRROR_FIXED_8,
13322         EL_DF_MIRROR_FIXED_7,
13323         EL_DF_MIRROR_FIXED_6,
13324         EL_DF_MIRROR_FIXED_5,
13325         EL_DF_MIRROR_FIXED_4,
13326         EL_DF_MIRROR_FIXED_3,
13327         EL_DF_MIRROR_FIXED_2
13328       },
13329
13330       {
13331         -1,
13332       },
13333     };
13334     int i, j;
13335
13336     for (i = 0; swappable_elements[i][0] != -1; i++)
13337     {
13338       int element1 = swappable_elements[i][0];
13339       int element2 = swappable_elements[i][1];
13340
13341       if (old_element == element1 || old_element == element2)
13342         new_element = (old_element == element1 ? element2 : element1);
13343     }
13344
13345     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
13346     {
13347       for (j = 0; j < 4; j++)
13348       {
13349         int element = rotatable_elements_4[i][j];
13350
13351         if (old_element == element)
13352           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
13353                          button == 2 ? rotatable_elements_4[i][0]           :
13354                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
13355                          old_element);
13356       }
13357     }
13358
13359     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
13360     {
13361       for (j = 0; j < 8; j++)
13362       {
13363         int element = rotatable_elements_8[i][j];
13364
13365         if (old_element == element)
13366           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
13367                          button == 2 ? rotatable_elements_8[i][0]           :
13368                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
13369                          old_element);
13370       }
13371     }
13372
13373     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
13374     {
13375       for (j = 0; j < 16; j++)
13376       {
13377         int element = rotatable_elements_16[i][j];
13378
13379         if (old_element == element)
13380           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
13381                          button == 2 ? rotatable_elements_16[i][0]             :
13382                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
13383                          old_element);
13384       }
13385     }
13386
13387     if (old_element != new_element)
13388     {
13389       int max_infotext_len = getMaxInfoTextLength();
13390       char infotext[MAX_OUTPUT_LINESIZE + 1];
13391
13392       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
13393       infotext[max_infotext_len] = '\0';
13394
13395       ClearEditorGadgetInfoText();
13396
13397       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
13398                 infotext);
13399     }
13400   }
13401
13402   if (IS_MM_WALL_EDITOR(new_element))
13403     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
13404   else
13405     SetElementSimple(x, y, new_element, change_level);
13406
13407   last_x = x;
13408   last_y = y;
13409 }
13410
13411 static void ResetIntelliDraw(void)
13412 {
13413   int x, y;
13414
13415   for (x = 0; x < lev_fieldx; x++)
13416     for (y = 0; y < lev_fieldy; y++)
13417       IntelliDrawBuffer[x][y] = Tile[x][y];
13418
13419   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
13420 }
13421
13422 static boolean draw_mode_hires = FALSE;
13423
13424 static boolean isHiresTileElement(int element)
13425 {
13426   return (IS_MM_WALL(element)        || element == EL_EMPTY);
13427 }
13428
13429 static boolean isHiresDrawElement(int element)
13430 {
13431   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
13432 }
13433
13434 static int numHiresTiles(int element)
13435 {
13436   if (IS_MM_WALL(element))
13437     return get_number_of_bits(MM_WALL_BITS(element));
13438
13439   return 1;
13440 }
13441
13442 static void SetDrawModeHiRes(int element)
13443 {
13444   draw_mode_hires =
13445     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13446      isHiresDrawElement(element));
13447 }
13448
13449 static boolean getDrawModeHiRes(void)
13450 {
13451   return draw_mode_hires;
13452 }
13453
13454 static int getLoResScreenPos(int pos)
13455 {
13456   return (getDrawModeHiRes() ? pos / 2 : pos);
13457 }
13458
13459 static int getLoResScreenMod(int pos)
13460 {
13461   return (getDrawModeHiRes() ? pos % 2 : 0);
13462 }
13463
13464 static void SetElementExt(int x, int y, int dx, int dy, int element,
13465                           boolean change_level, int button)
13466 {
13467   if (element < 0)
13468     SetElementSimple(x, y, Tile[x][y], change_level);
13469   else if (GetKeyModState() & KMOD_Shift)
13470     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
13471   else
13472     SetElementSimpleExt(x, y, dx, dy, element, change_level);
13473 }
13474
13475 static void SetElement(int x, int y, int element)
13476 {
13477   SetElementExt(x, y, 0, 0, element, TRUE, -1);
13478 }
13479
13480 static void SetElementButton(int x, int y, int dx, int dy, int element,
13481                              int button)
13482 {
13483   SetElementExt(x, y, dx, dy, element, TRUE, button);
13484 }
13485
13486 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
13487 {
13488   int lx = getLoResScreenPos(sx2) + level_xpos;
13489   int ly = getLoResScreenPos(sy2) + level_ypos;
13490   int dx = getLoResScreenMod(sx2);
13491   int dy = getLoResScreenMod(sy2);
13492
13493   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
13494 }
13495
13496 static void SetLevelElementHiRes(int lx2, int ly2, int element)
13497 {
13498   int lx = lx2 / 2;
13499   int ly = ly2 / 2;
13500   int dx = lx2 % 2;
13501   int dy = ly2 % 2;
13502
13503   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
13504 }
13505
13506 static int getLevelElementHiRes(int lx2, int ly2)
13507 {
13508   int lx = lx2 / 2;
13509   int ly = ly2 / 2;
13510   int dx = lx2 % 2;
13511   int dy = ly2 % 2;
13512   int element = Tile[lx][ly];
13513   unsigned int bitmask = (dx + 1) << (dy * 2);
13514
13515   if (IS_MM_WALL(element))
13516   {
13517     if (element & bitmask)
13518       return map_mm_wall_element(element);
13519     else
13520       return EL_EMPTY;
13521   }
13522
13523   return element;
13524 }
13525
13526 static void DrawLineElement(int x, int y, int element, boolean change_level)
13527 {
13528   SetElementHiRes(x, y, element, change_level);
13529 }
13530
13531 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
13532                      int element, boolean change_level)
13533 {
13534   int xsize = ABS(to_x - from_x);
13535   int ysize = ABS(to_y - from_y);
13536   int dx = (to_x < from_x ? -1 : +1);
13537   int dy = (to_y < from_y ? -1 : +1);
13538   int i;
13539
13540   if (from_y == to_y)                   // horizontal line
13541   {
13542     for (i = 0; i <= xsize; i++)
13543       DrawLineElement(from_x + i * dx, from_y, element, change_level);
13544   }
13545   else if (from_x == to_x)              // vertical line
13546   {
13547     for (i = 0; i <= ysize; i++)
13548       DrawLineElement(from_x, from_y + i * dy, element, change_level);
13549   }
13550   else                                  // diagonal line
13551   {
13552     if (ysize < xsize)                  // a < 1
13553     {
13554       float a = (float)ysize / (float)xsize;
13555
13556       for (i = 0; i <= xsize; i++)
13557       {
13558         int x = dx * i;
13559         int y = dy * (int)(a * i + 0.5);
13560
13561         DrawLineElement(from_x + x, from_y + y, element, change_level);
13562       }
13563     }
13564     else                                // a >= 1
13565     {
13566       float a = (float)xsize / (float)ysize;
13567
13568       for (i = 0; i <= ysize; i++)
13569       {
13570         int x = dx * (int)(a * i + 0.5);
13571         int y = dy * i;
13572
13573         DrawLineElement(from_x + x, from_y + y, element, change_level);
13574       }
13575     }
13576   }
13577 }
13578
13579 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
13580                     int element, boolean change_level)
13581 {
13582   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
13583   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
13584   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
13585   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
13586 }
13587
13588 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
13589                           int element, boolean change_level)
13590 {
13591   int y;
13592
13593   if (from_y > to_y)
13594     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
13595
13596   for (y = from_y; y <= to_y; y++)
13597     DrawLine(from_x, y, to_x, y, element, change_level);
13598 }
13599
13600 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
13601                        int element, boolean change_level)
13602 {
13603   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
13604   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
13605   int len_x = ABS(to_x - from_x);
13606   int len_y = ABS(to_y - from_y);
13607   int radius, x, y;
13608
13609   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
13610
13611   // not optimal (some points get drawn twice) but simple,
13612   // and fast enough for the few points we are drawing
13613
13614   for (x = 0; x <= radius; x++)
13615   {
13616     int sx, sy, sx2, sy2, lx, ly;
13617
13618     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
13619
13620     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13621     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13622     sx = getLoResScreenPos(sx2);
13623     sy = getLoResScreenPos(sy2);
13624     lx = sx + level_xpos;
13625     ly = sy + level_ypos;
13626
13627     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13628       DrawLineElement(sx2, sy2, element, change_level);
13629   }
13630
13631   for (y = 0; y <= radius; y++)
13632   {
13633     int sx, sy, sx2, sy2, lx, ly;
13634
13635     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
13636
13637     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13638     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13639     sx = getLoResScreenPos(sx2);
13640     sy = getLoResScreenPos(sy2);
13641     lx = sx + level_xpos;
13642     ly = sy + level_ypos;
13643
13644     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13645       DrawLineElement(sx2, sy2, element, change_level);
13646   }
13647 }
13648
13649 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
13650                     int element, boolean change_level)
13651 {
13652   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13653   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13654
13655   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13656 }
13657
13658 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
13659
13660 #if DRAW_CIRCLES_BUTTON_AVAILABLE
13661 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
13662                        int element, boolean change_level)
13663 {
13664   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13665   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13666   int mirror_to_x2 = from_x - (to_x2 - from_x);
13667   int mirror_to_y2 = from_y - (to_y2 - from_y);
13668
13669   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13670   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
13671   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
13672   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
13673 }
13674 #endif
13675
13676 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
13677 {
13678   int from_sx, from_sy;
13679   int to_sx, to_sy;
13680
13681   if (from_x > to_x)
13682     swap_numbers(&from_x, &to_x);
13683
13684   if (from_y > to_y)
13685     swap_numbers(&from_y, &to_y);
13686
13687   from_sx = SX + from_x * ed_tilesize;
13688   from_sy = SY + from_y * ed_tilesize;
13689   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
13690   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
13691
13692   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
13693   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
13694   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
13695   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
13696
13697   if (from_x == to_x && from_y == to_y)
13698     MarkTileDirty(from_x/2, from_y/2);
13699   else
13700     redraw_mask |= REDRAW_FIELD;
13701 }
13702
13703 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
13704                         int element, boolean change_level)
13705 {
13706   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
13707 }
13708
13709 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
13710                        int element, boolean change_level)
13711 {
13712   if (element == -1 || change_level)
13713     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
13714   else
13715     DrawAreaBorder(from_x, from_y, to_x, to_y);
13716 }
13717
13718 // values for CopyBrushExt()
13719 #define CB_AREA_TO_BRUSH                0
13720 #define CB_BRUSH_TO_CURSOR              1
13721 #define CB_BRUSH_TO_LEVEL               2
13722 #define CB_DELETE_OLD_CURSOR            3
13723 #define CB_DUMP_BRUSH                   4
13724 #define CB_DUMP_BRUSH_SMALL             5
13725 #define CB_CLIPBOARD_TO_BRUSH           6
13726 #define CB_BRUSH_TO_CLIPBOARD           7
13727 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
13728 #define CB_UPDATE_BRUSH_POSITION        9
13729 #define CB_FLIP_BRUSH_X                 10
13730 #define CB_FLIP_BRUSH_Y                 11
13731 #define CB_FLIP_BRUSH_XY                12
13732
13733 #define MAX_CB_PART_SIZE        10
13734 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
13735 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
13736 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
13737                                  MAX_CB_NUM_LINES *     \
13738                                  MAX_CB_PART_SIZE)
13739
13740 static int getFlippedTileExt(int map[], int element)
13741 {
13742   int i;
13743
13744   for (i = 0; map[i] != -1; i++)
13745     if (map[i] == element)
13746       return map[i ^ 1];        // get flipped element by flipping LSB of index
13747
13748   return element;
13749 }
13750
13751 static int getFlippedTileX(int element)
13752 {
13753   int map[] =
13754   {
13755     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
13756     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
13757     EL_BUG_LEFT,                        EL_BUG_RIGHT,
13758     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
13759     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
13760     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
13761     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
13762     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
13763     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
13764     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
13765     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
13766     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
13767     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
13768     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
13769     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
13770     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
13771     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
13772     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
13773     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
13774     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
13775     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
13776     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
13777     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
13778     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
13779     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
13780     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
13781     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13782     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
13783     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
13784     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
13785
13786     -1
13787   };
13788
13789   return getFlippedTileExt(map, element);
13790 }
13791
13792 static int getFlippedTileY(int element)
13793 {
13794   int map[] =
13795   {
13796     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
13797     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
13798     EL_BUG_UP,                          EL_BUG_DOWN,
13799     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
13800     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
13801     EL_ARROW_UP,                        EL_ARROW_DOWN,
13802     EL_MOLE_UP,                         EL_MOLE_DOWN,
13803     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
13804     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
13805     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
13806     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
13807     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
13808     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
13809     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
13810     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
13811     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
13812     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
13813     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
13814     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
13815     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
13816     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13817     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13818     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
13819     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
13820
13821     -1
13822   };
13823
13824   return getFlippedTileExt(map, element);
13825 }
13826
13827 static int getFlippedTileXY(int element)
13828 {
13829   int map[] =
13830   {
13831     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
13832     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
13833     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
13834     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
13835     EL_BUG_LEFT,                        EL_BUG_UP,
13836     EL_BUG_RIGHT,                       EL_BUG_DOWN,
13837     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
13838     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
13839     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
13840     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
13841     EL_ARROW_LEFT,                      EL_ARROW_UP,
13842     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
13843     EL_MOLE_LEFT,                       EL_MOLE_UP,
13844     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
13845     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
13846     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
13847     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
13848     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
13849     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
13850     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
13851     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
13852     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
13853     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
13854     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
13855     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
13856     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
13857     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
13858     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
13859     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
13860     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
13861     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
13862     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
13863     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
13864     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
13865     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
13866     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
13867     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13868     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
13869     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
13870     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
13871     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
13872     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
13873
13874     -1
13875   };
13876
13877   return getFlippedTileExt(map, element);
13878 }
13879
13880 static int getFlippedTile(int element, int mode)
13881 {
13882   if (IS_MM_ELEMENT(element))
13883   {
13884     // get MM game element
13885     element = map_element_RND_to_MM(element);
13886
13887     // get flipped game element
13888     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
13889                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
13890                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
13891                element);
13892
13893     // get RND game element again
13894     element = map_element_MM_to_RND(element);
13895   }
13896   else
13897   {
13898     // get flipped game element
13899     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
13900                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
13901                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
13902                element);
13903   }
13904
13905   return element;
13906 }
13907
13908 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
13909 {
13910   // flip tiles
13911   short tile1_flipped = getFlippedTile(*tile1, mode);
13912   short tile2_flipped = getFlippedTile(*tile2, mode);
13913
13914   // swap tiles
13915   *tile1 = tile2_flipped;
13916   *tile2 = tile1_flipped;
13917 }
13918
13919 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
13920 {
13921   DrawLineElement(sx, sy, element, change_level);
13922 }
13923
13924 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
13925                          int button, int mode)
13926 {
13927   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13928   static int brush_width, brush_height;
13929   static int last_cursor_x = -1, last_cursor_y = -1;
13930   static boolean delete_old_brush = FALSE;
13931   int new_element = BUTTON_ELEMENT(button);
13932   int x, y;
13933
13934   if (mode == CB_DUMP_BRUSH ||
13935       mode == CB_DUMP_BRUSH_SMALL ||
13936       mode == CB_BRUSH_TO_CLIPBOARD ||
13937       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13938   {
13939     if (edit_mode != ED_MODE_DRAWING)
13940       return;
13941
13942     char part[MAX_CB_PART_SIZE + 1] = "";
13943     char text[MAX_CB_TEXT_SIZE + 1] = "";
13944     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
13945     int height = (draw_with_brush ? brush_height : lev_fieldy);
13946     char *format = "%s%03d";
13947
13948     for (y = 0; y < height; y++)
13949       for (x = 0; x < width; x++)
13950         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
13951           format = "%s%04d";
13952
13953     for (y = 0; y < height; y++)
13954     {
13955       for (x = 0; x < width; x++)
13956       {
13957         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
13958         char *prefix = (mode == CB_DUMP_BRUSH ||
13959                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
13960
13961         if (element >= NUM_FILE_ELEMENTS)
13962           element = EL_UNKNOWN;
13963
13964         // copy brush to level sketch text buffer for the R'n'D forum:
13965         // - large tiles: `xxx or `xxxx (0x60 ASCII)
13966         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
13967         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
13968         strcat(text, part);
13969       }
13970
13971       strcat(text, "\n");
13972     }
13973
13974     if (mode == CB_BRUSH_TO_CLIPBOARD ||
13975         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13976       SDL_SetClipboardText(text);
13977     else
13978       Print("%s", text);        // print brush data to console and log file
13979
13980     return;
13981   }
13982
13983   if (mode == CB_CLIPBOARD_TO_BRUSH)
13984   {
13985     if (edit_mode != ED_MODE_DRAWING)
13986       return;
13987
13988     if (!SDL_HasClipboardText())
13989     {
13990       Request("Clipboard is empty!", REQ_CONFIRM);
13991
13992       return;
13993     }
13994
13995     boolean copy_to_brush = (draw_with_brush ||
13996                              drawing_function == GADGET_ID_GRAB_BRUSH);
13997
13998     // this will delete the old brush, if already drawing with a brush
13999     if (copy_to_brush)
14000       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
14001
14002     // initialization is required for "odd" (incomplete) clipboard content
14003     for (x = 0; x < MAX_LEV_FIELDX; x++)
14004       for (y = 0; y < MAX_LEV_FIELDY; y++)
14005         brush_buffer[x][y] = EL_EMPTY;
14006
14007     brush_width  = 0;
14008     brush_height = 0;
14009     x = 0;
14010     y = 0;
14011
14012     char *clipboard_text = SDL_GetClipboardText();
14013     char *ptr = clipboard_text;
14014     boolean allow_new_row = FALSE;
14015     boolean stop = FALSE;
14016
14017     while (*ptr && !stop)
14018     {
14019       boolean prefix_found = FALSE;
14020       boolean start_new_row = FALSE;
14021
14022       // level sketch element number prefixes (may be multi-byte characters)
14023       char *prefix_list[] = { "`", "¸" };
14024       int i;
14025
14026       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
14027       {
14028         char *prefix = prefix_list[i];
14029
14030         // check if string is large enough for prefix
14031         if (strlen(ptr) < strlen(prefix))
14032         {
14033           stop = TRUE;
14034
14035           break;
14036         }
14037
14038         // check if string starts with prefix
14039         if (strPrefix(ptr, prefix))
14040         {
14041           ptr += strlen(prefix);
14042
14043           prefix_found = TRUE;
14044
14045           break;
14046         }
14047       }
14048
14049       // check if prefix found and followed by (at least) three digits
14050       if (prefix_found &&
14051           strlen(ptr) >= 3 &&
14052           ptr[0] >= '0' && ptr[0] <= '9' &&
14053           ptr[1] >= '0' && ptr[1] <= '9' &&
14054           ptr[2] >= '0' && ptr[2] <= '9')
14055       {
14056         int element = ((ptr[0] - '0') * 100 +
14057                        (ptr[1] - '0') * 10 +
14058                        (ptr[2] - '0'));
14059
14060         ptr += 3;
14061
14062         // level sketch element number might consist of four digits
14063         if (ptr[0] >= '0' && ptr[0] <= '9')
14064         {
14065           element = element * 10 + (ptr[0] - '0');
14066           ptr++;
14067         }
14068
14069         // remap some (historic, now obsolete) elements
14070         element = getMappedElement(element);
14071
14072         if (element >= NUM_FILE_ELEMENTS)
14073           element = EL_UNKNOWN;
14074
14075         brush_buffer[x][y] = element;
14076
14077         brush_width  = MAX(x + 1, brush_width);
14078         brush_height = MAX(y + 1, brush_height);
14079
14080         x++;
14081
14082         if (x >= MAX_LEV_FIELDX)
14083           start_new_row = TRUE;
14084
14085         allow_new_row = TRUE;
14086       }
14087       else
14088       {
14089         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
14090           start_new_row = TRUE;
14091
14092         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
14093       }
14094
14095       if (start_new_row)
14096       {
14097         x = 0;
14098         y++;
14099
14100         if (y >= MAX_LEV_FIELDY)
14101           stop = TRUE;
14102
14103         allow_new_row = FALSE;
14104       }
14105     }
14106
14107     SDL_free(clipboard_text);
14108
14109     if (brush_width == 0 || brush_height == 0)
14110     {
14111       Request("No level sketch found in clipboard!", REQ_CONFIRM);
14112
14113       return;
14114     }
14115
14116     if (copy_to_brush)
14117     {
14118       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
14119       int mx, my;
14120
14121       SDL_GetMouseState(&mx, &my);
14122
14123       // if inside drawing area, activate and draw brush at last mouse position
14124       if (mx >= gi->x && mx < gi->x + gi->width &&
14125           my >= gi->y && my < gi->y + gi->height)
14126         CopyBrushToCursor(last_cursor_x, last_cursor_y);
14127
14128       draw_with_brush = TRUE;
14129     }
14130     else
14131     {
14132       char request[100];
14133
14134       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
14135               brush_width, brush_height);
14136
14137       if (!Request(request, REQ_ASK))
14138         return;
14139
14140       for (x = 0; x < MAX_LEV_FIELDX; x++)
14141         for (y = 0; y < MAX_LEV_FIELDY; y++)
14142           Tile[x][y] = brush_buffer[x][y];
14143
14144       lev_fieldx = level.fieldx = brush_width;
14145       lev_fieldy = level.fieldy = brush_height;
14146
14147       boolean use_bd_engine = TRUE;
14148       boolean use_em_engine = TRUE;
14149       boolean use_sp_engine = TRUE;
14150       boolean use_mm_engine = TRUE;
14151
14152       for (x = 0; x < MAX_LEV_FIELDX; x++)
14153       {
14154         for (y = 0; y < MAX_LEV_FIELDY; y++)
14155         {
14156           int element = Tile[x][y];
14157
14158           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14159             use_bd_engine = FALSE;
14160
14161           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14162             use_em_engine = FALSE;
14163
14164           if (!IS_SP_ELEMENT(element))
14165             use_sp_engine = FALSE;
14166
14167           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
14168             use_mm_engine = FALSE;
14169         }
14170       }
14171
14172       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
14173                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
14174                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
14175                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
14176                                 GAME_ENGINE_TYPE_RND);
14177
14178       // update element selection list
14179       ReinitializeElementList();
14180       ModifyEditorElementList();
14181
14182       SetBorderElement();
14183
14184       DrawEditModeWindow();
14185       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14186     }
14187
14188     return;
14189   }
14190
14191   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
14192     return;
14193
14194   if (mode == CB_AREA_TO_BRUSH)
14195   {
14196     int from_lx, from_ly;
14197
14198     if (from_x > to_x)
14199       swap_numbers(&from_x, &to_x);
14200
14201     if (from_y > to_y)
14202       swap_numbers(&from_y, &to_y);
14203
14204     brush_width = to_x - from_x + 1;
14205     brush_height = to_y - from_y + 1;
14206
14207     from_lx = from_x + level_xpos;
14208     from_ly = from_y + level_ypos;
14209
14210     for (y = 0; y < brush_height; y++)
14211     {
14212       for (x = 0; x < brush_width; x++)
14213       {
14214         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
14215
14216         if (button != 1)
14217           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
14218       }
14219     }
14220
14221     if (button != 1)
14222       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14223
14224     delete_old_brush = FALSE;
14225   }
14226   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
14227            mode == CB_BRUSH_TO_LEVEL)
14228   {
14229     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
14230     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
14231     int cursor_from_x = cursor_x - brush_width / 2;
14232     int cursor_from_y = cursor_y - brush_height / 2;
14233     int border_from_x = cursor_x, border_from_y = cursor_y;
14234     int border_to_x = cursor_x, border_to_y = cursor_y;
14235
14236     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
14237       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14238
14239     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
14240         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
14241     {
14242       delete_old_brush = FALSE;
14243
14244       return;
14245     }
14246
14247     for (y = 0; y < brush_height; y++)
14248     {
14249       for (x = 0; x < brush_width; x++)
14250       {
14251         int sx = cursor_from_x + x;
14252         int sy = cursor_from_y + y;
14253         int lx = sx + level_xpos;
14254         int ly = sy + level_ypos;
14255         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
14256         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
14257                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
14258                        brush_buffer[x][y] : new_element);
14259
14260         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14261         {
14262           if (sx < border_from_x)
14263             border_from_x = sx;
14264           else if (sx > border_to_x)
14265             border_to_x = sx;
14266           if (sy < border_from_y)
14267             border_from_y = sy;
14268           else if (sy > border_to_y)
14269             border_to_y = sy;
14270
14271           DrawBrushElement(sx, sy, element, change_level);
14272         }
14273       }
14274     }
14275
14276     if (mode != CB_DELETE_OLD_CURSOR)
14277       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
14278
14279     last_cursor_x = cursor_x;
14280     last_cursor_y = cursor_y;
14281
14282     delete_old_brush = TRUE;
14283   }
14284   else if (mode == CB_FLIP_BRUSH_X)
14285   {
14286     for (y = 0; y < brush_height; y++)
14287       for (x = 0; x < (brush_width + 1) / 2; x++)
14288         SwapFlippedTiles(&brush_buffer[x][y],
14289                          &brush_buffer[brush_width - x - 1][y], mode);
14290
14291     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14292   }
14293   else if (mode == CB_FLIP_BRUSH_Y)
14294   {
14295     for (y = 0; y < (brush_height + 1) / 2; y++)
14296       for (x = 0; x < brush_width; x++)
14297         SwapFlippedTiles(&brush_buffer[x][y],
14298                          &brush_buffer[x][brush_height - y - 1], mode);
14299
14300     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14301   }
14302   else if (mode == CB_FLIP_BRUSH_XY)
14303   {
14304     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14305
14306     for (y = 0; y < MAX(brush_width, brush_height); y++)
14307       for (x = 0; x <= y; x++)
14308         SwapFlippedTiles(&brush_buffer[x][y],
14309                          &brush_buffer[y][x], mode);
14310
14311     swap_numbers(&brush_width, &brush_height);
14312
14313     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14314   }
14315
14316   if (mode == CB_UPDATE_BRUSH_POSITION)
14317   {
14318     last_cursor_x = from_x;
14319     last_cursor_y = from_y;
14320   }
14321 }
14322
14323 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
14324                             int button)
14325 {
14326   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
14327 }
14328
14329 static void CopyBrushToLevel(int x, int y, int button)
14330 {
14331   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
14332 }
14333
14334 static void CopyBrushToCursor(int x, int y)
14335 {
14336   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14337 }
14338
14339 static void UpdateBrushPosition(int x, int y)
14340 {
14341   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
14342 }
14343
14344 static void DeleteBrushFromCursor(void)
14345 {
14346   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14347 }
14348
14349 static void FlipBrushX(void)
14350 {
14351   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14352 }
14353
14354 static void FlipBrushY(void)
14355 {
14356   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
14357 }
14358
14359 static void RotateBrush(void)
14360 {
14361   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
14362   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14363 }
14364
14365 void DumpBrush(void)
14366 {
14367   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
14368 }
14369
14370 void DumpBrush_Small(void)
14371 {
14372   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
14373 }
14374
14375 void CopyClipboardToBrush(void)
14376 {
14377   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
14378 }
14379
14380 void CopyBrushToClipboard(void)
14381 {
14382   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
14383 }
14384
14385 void CopyBrushToClipboard_Small(void)
14386 {
14387   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
14388 }
14389
14390 void UndoLevelEditorOperation(void)
14391 {
14392   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
14393 }
14394
14395 void RedoLevelEditorOperation(void)
14396 {
14397   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14398 }
14399
14400 static void FloodFill(int from_x, int from_y, int fill_element)
14401 {
14402   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
14403 }
14404
14405 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
14406 {
14407   int from_x = from_sx2 + 2 * level_xpos;
14408   int from_y = from_sy2 + 2 * level_ypos;
14409   int max_fillx = lev_fieldx * 2;
14410   int max_filly = lev_fieldy * 2;
14411   short Fill[max_fillx][max_filly];
14412   int x, y;
14413
14414   for (x = 0; x < max_fillx; x++)
14415     for (y = 0; y < max_filly; y++)
14416       Fill[x][y] = getLevelElementHiRes(x, y);
14417
14418   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
14419                     Fill, max_fillx, max_filly);
14420
14421   for (x = 0; x < max_fillx; x++)
14422     for (y = 0; y < max_filly; y++)
14423       if (Fill[x][y] == fill_element)
14424         SetLevelElementHiRes(x, y, Fill[x][y]);
14425 }
14426
14427 // values for DrawLevelText() modes
14428 #define TEXT_INIT               0
14429 #define TEXT_SETCURSOR          1
14430 #define TEXT_WRITECHAR          2
14431 #define TEXT_BACKSPACE          3
14432 #define TEXT_NEWLINE            4
14433 #define TEXT_END                5
14434 #define TEXT_QUERY_TYPING       6
14435
14436 static int DrawLevelText(int sx, int sy, char letter, int mode)
14437 {
14438   static short delete_buffer[MAX_LEV_FIELDX];
14439   static int start_sx;
14440   static int last_sx, last_sy;
14441   static boolean typing = FALSE;
14442   int letter_element;
14443   int lx = 0, ly = 0;
14444
14445   // map lower case letters to upper case and convert special characters
14446   if (letter >= 'a' && letter <= 'z')
14447     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
14448   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
14449     letter_element = EL_CHAR_AUMLAUT;
14450   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
14451     letter_element = EL_CHAR_OUMLAUT;
14452   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
14453     letter_element = EL_CHAR_UUMLAUT;
14454   else if (letter == '^')
14455     letter_element = EL_CHAR_COPYRIGHT;
14456   else
14457     letter_element = EL_CHAR_ASCII0 + letter;
14458
14459   if (mode != TEXT_INIT)
14460   {
14461     if (!typing)
14462       return FALSE;
14463
14464     if (mode != TEXT_SETCURSOR)
14465     {
14466       sx = last_sx;
14467       sy = last_sy;
14468     }
14469
14470     lx = last_sx + level_xpos;
14471     ly = last_sy + level_ypos;
14472   }
14473
14474   switch (mode)
14475   {
14476     case TEXT_INIT:
14477       if (typing)
14478         DrawLevelText(0, 0, 0, TEXT_END);
14479
14480       typing = TRUE;
14481       start_sx = sx;
14482       last_sx = sx;
14483       last_sy = sy;
14484       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
14485       break;
14486
14487     case TEXT_SETCURSOR:
14488       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
14489       DrawAreaBorder(sx, sy, sx, sy);
14490       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
14491                      ed_tilesize, ed_tilesize);
14492       last_sx = sx;
14493       last_sy = sy;
14494       break;
14495
14496     case TEXT_WRITECHAR:
14497       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
14498       {
14499         if (new_element1 >= EL_STEEL_CHAR_START &&
14500             new_element1 <= EL_STEEL_CHAR_END)
14501           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
14502
14503         delete_buffer[sx - start_sx] = Tile[lx][ly];
14504         Tile[lx][ly] = letter_element;
14505
14506         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
14507           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
14508         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14509           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14510         else
14511           DrawLevelText(0, 0, 0, TEXT_END);
14512
14513         level.changed = TRUE;
14514       }
14515       break;
14516
14517     case TEXT_BACKSPACE:
14518       if (sx > start_sx)
14519       {
14520         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
14521         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
14522         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
14523       }
14524       break;
14525
14526     case TEXT_NEWLINE:
14527       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14528         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14529       else
14530         DrawLevelText(0, 0, 0, TEXT_END);
14531       break;
14532
14533     case TEXT_END:
14534       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14535       DrawEditorElement(sx, sy, Tile[lx][ly]);
14536       StopTextInput();
14537       typing = FALSE;
14538       break;
14539
14540     case TEXT_QUERY_TYPING:
14541       break;
14542
14543     default:
14544       break;
14545   }
14546
14547   return typing;
14548 }
14549
14550 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
14551                           int element, boolean change_level)
14552 {
14553   int lx = sx + level_xpos;
14554   int ly = sy + level_ypos;
14555
14556   if (element == -1)
14557     DrawEditorElement(sx, sy, Tile[lx][ly]);
14558   else
14559     DrawAreaBorder(sx, sy, sx, sy);
14560 }
14561
14562 static void CheckLevelBorderElement(boolean redraw_playfield)
14563 {
14564   int last_border_element = BorderElement;
14565
14566   SetBorderElement();
14567
14568   if (redraw_playfield && BorderElement != last_border_element)
14569     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14570 }
14571
14572 static void CopyLevelToUndoBuffer(int mode)
14573 {
14574   static boolean accumulated_undo = FALSE;
14575   boolean new_undo_buffer_position = TRUE;
14576   int x, y;
14577
14578   if (undo_buffer_steps == 0)
14579     accumulated_undo = FALSE;
14580
14581   switch (mode)
14582   {
14583     case UNDO_IMMEDIATE:
14584       accumulated_undo = FALSE;
14585       break;
14586
14587     case UNDO_ACCUMULATE:
14588       if (accumulated_undo)
14589         new_undo_buffer_position = FALSE;
14590       accumulated_undo = TRUE;
14591       break;
14592
14593     default:
14594       break;
14595   }
14596
14597   if (new_undo_buffer_position)
14598   {
14599     // advance position in undo buffer ring
14600     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14601
14602     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
14603       undo_buffer_steps++;
14604   }
14605
14606   // always reset redo buffer when storing level change into undo buffer
14607   redo_buffer_steps = 0;
14608
14609   for (x = 0; x < lev_fieldx; x++)
14610     for (y = 0; y < lev_fieldy; y++)
14611       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
14612
14613   // check if drawing operation forces change of border style
14614   CheckLevelBorderElement(TRUE);
14615
14616   level.changed = TRUE;
14617 }
14618
14619 static void RandomPlacement(int new_element)
14620 {
14621   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14622   int num_free_positions = 0;
14623   int num_percentage, num_elements;
14624   int x, y;
14625
14626   ResetIntelliDraw();
14627
14628   // determine number of free positions for randomly placing the new element
14629   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
14630   {
14631     free_position[x][y] =
14632       (random_placement_background_restricted ?
14633        Tile[x][y] == random_placement_background_element :
14634        Tile[x][y] != new_element);
14635
14636     if (free_position[x][y])
14637       num_free_positions++;
14638   }
14639
14640   // determine number of new elements to place there
14641   num_percentage = num_free_positions * random_placement_value / 100;
14642   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
14643                   num_percentage : random_placement_value);
14644
14645   // if less free positions than elements to place, fill all these positions
14646   if (num_free_positions < num_elements)
14647   {
14648     for (x = 0; x < lev_fieldx; x++)
14649       for (y = 0; y < lev_fieldy; y++)
14650         if (free_position[x][y])
14651           SetElement(x, y, new_element);
14652   }
14653   else
14654   {
14655     while (num_elements > 0)
14656     {
14657       x = GetSimpleRandom(lev_fieldx);
14658       y = GetSimpleRandom(lev_fieldy);
14659
14660       // don't place element at the same position twice
14661       if (free_position[x][y])
14662       {
14663         free_position[x][y] = FALSE;
14664         SetElement(x, y, new_element);
14665         num_elements--;
14666       }
14667     }
14668   }
14669
14670   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14671   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14672 }
14673
14674 static void WrapLevel(int dx, int dy)
14675 {
14676   int wrap_dx = lev_fieldx - dx;
14677   int wrap_dy = lev_fieldy - dy;
14678   int x, y;
14679
14680   for (x = 0; x < lev_fieldx; x++)
14681     for (y = 0; y < lev_fieldy; y++)
14682       TileBackup[x][y] = Tile[x][y];
14683
14684   for (x = 0; x < lev_fieldx; x++)
14685     for (y = 0; y < lev_fieldy; y++)
14686       Tile[x][y] =
14687         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
14688
14689   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14690   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
14691 }
14692
14693 static void DrawAreaElementHighlight(boolean highlighted,
14694                                      boolean highlighted_similar)
14695 {
14696   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14697
14698   if (!highlighted)
14699     return;
14700
14701   int x, y;
14702
14703   for (x = 0; x < ed_fieldx; x++)
14704   {
14705     for (y = 0; y < ed_fieldy; y++)
14706     {
14707       boolean highlight = FALSE;
14708       int lx = x + level_xpos;
14709       int ly = y + level_ypos;
14710
14711       if (!IN_LEV_FIELD(lx, ly))
14712         continue;
14713
14714       // check if element is the same
14715       if (Tile[lx][ly] == new_element1)
14716         highlight = TRUE;
14717
14718       // check if element is similar
14719       if (highlighted_similar &&
14720           strEqual(element_info[Tile[lx][ly]].class_name,
14721                    element_info[new_element1].class_name))
14722         highlight = TRUE;
14723
14724       // check if element is matching MM style wall
14725       if (IS_MM_WALL(Tile[lx][ly]) &&
14726           map_mm_wall_element(Tile[lx][ly]) == new_element1)
14727         highlight = TRUE;
14728
14729       if (!highlight)
14730         continue;
14731
14732       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
14733       {
14734         int i;
14735
14736         for (i = 0; i < 4; i++)
14737         {
14738           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
14739             continue;
14740
14741           int xx = x * 2 + (i % 2);
14742           int yy = y * 2 + (i / 2);
14743           int sx = SX + xx * ed_tilesize / 2;
14744           int sy = SY + yy * ed_tilesize / 2;
14745           int from_sx = sx;
14746           int from_sy = sy;
14747           int to_sx = sx + ed_tilesize / 2 - 1;
14748           int to_sy = sy + ed_tilesize / 2 - 1;
14749
14750           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14751           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14752           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14753           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14754         }
14755       }
14756       else
14757       {
14758         int sx = SX + x * ed_tilesize;
14759         int sy = SY + y * ed_tilesize;
14760         int from_sx = sx;
14761         int from_sy = sy;
14762         int to_sx = sx + ed_tilesize - 1;
14763         int to_sy = sy + ed_tilesize - 1;
14764
14765         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14766         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14767         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14768         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14769       }
14770     }
14771   }
14772 }
14773
14774 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
14775 {
14776   char *template_filename_old = getLocalLevelTemplateFilename();
14777   char *template_filename_new =
14778     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
14779
14780   if (copyFile(template_filename_old, template_filename_new) != 0)
14781     Request("Cannot copy level template!", REQ_CONFIRM);
14782
14783   free(template_filename_new);
14784 }
14785
14786 static void HandleDrawingAreas(struct GadgetInfo *gi)
14787 {
14788   static boolean started_inside_drawing_area = FALSE;
14789   static int last_sx = -1;
14790   static int last_sy = -1;
14791   static int last_sx2 = -1;
14792   static int last_sy2 = -1;
14793   int id = gi->custom_id;
14794   int type_id = gi->custom_type_id;
14795   boolean button_press_event;
14796   boolean button_release_event;
14797   boolean inside_drawing_area = !gi->event.off_borders;
14798   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
14799   int actual_drawing_function;
14800   int button = gi->event.button;
14801   int new_element = BUTTON_ELEMENT(button);
14802   int sx = gi->event.x, sy = gi->event.y;
14803   int min_sx = 0, min_sy = 0;
14804   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
14805   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
14806   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
14807   int sx2 = gi->event.mx / mini_item_xsize;
14808   int sy2 = gi->event.my / mini_item_ysize;
14809   int dx = sx2 % 2;
14810   int dy = sy2 % 2;
14811   int lx = 0, ly = 0;
14812   int x, y;
14813
14814   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
14815   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
14816
14817   // make sure to stay inside drawing area boundaries
14818   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14819   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14820
14821   if (draw_level)
14822   {
14823     int min_lx = 0, min_ly = 0;
14824     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14825
14826     // get positions inside level field
14827     lx = sx + level_xpos;
14828     ly = sy + level_ypos;
14829
14830     if (!IN_LEV_FIELD(lx, ly))
14831       inside_drawing_area = FALSE;
14832
14833     // make sure to stay inside level field boundaries
14834     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14835     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14836
14837     // correct drawing area positions accordingly
14838     sx = lx - level_xpos;
14839     sy = ly - level_ypos;
14840   }
14841
14842   // also correct MM wall-sized (double) drawing area positions accordingly
14843   if (sx2 / 2 < sx || sx2 / 2 > sx)
14844   {
14845     dx = (sx2 / 2 < sx ? 0 : 1);
14846     sx2 = sx * 2 + dx;
14847   }
14848   if (sy2 / 2 < sy || sy2 / 2 > sy)
14849   {
14850     dy = (sy2 / 2 < sy ? 0 : 1);
14851     sy2 = sy * 2 + dy;
14852   }
14853
14854   if (!button_press_event && !button_release_event)
14855   {
14856     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
14857     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14858                              isHiresTileElement(old_element) &&
14859                              isHiresDrawElement(new_element));
14860
14861     // prevent handling events for every pixel position when moving mouse
14862     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
14863         (sx2 == last_sx2 && sy2 == last_sy2))
14864       return;
14865   }
14866
14867   last_sx = sx;
14868   last_sy = sy;
14869   last_sx2 = sx2;
14870   last_sy2 = sy2;
14871
14872   if (button_press_event)
14873     started_inside_drawing_area = inside_drawing_area;
14874
14875   if (!started_inside_drawing_area)
14876     return;
14877
14878   if (!IS_VALID_BUTTON(button))
14879     return;
14880
14881   // handle info callback for each invocation of action callback
14882   gi->callback_info(gi);
14883
14884   // automatically switch to 'single item' drawing mode, if needed
14885   actual_drawing_function =
14886     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
14887      drawing_function : GADGET_ID_SINGLE_ITEMS);
14888
14889   // clicking into drawing area with pressed Control key picks element
14890   if (GetKeyModState() & KMOD_Control)
14891   {
14892     last_drawing_function = drawing_function;
14893     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14894   }
14895
14896   if (GetKeyModState() & KMOD_Shift)
14897   {
14898     if (button_press_event || button_release_event)
14899       ResetIntelliDraw();
14900   }
14901
14902   SetDrawModeHiRes(-1);         // reset to normal draw mode
14903
14904   switch (actual_drawing_function)
14905   {
14906     case GADGET_ID_SINGLE_ITEMS:
14907       if (draw_level)
14908       {
14909         if (button_release_event)
14910         {
14911           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14912
14913           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
14914               !inside_drawing_area)
14915             DeleteBrushFromCursor();
14916
14917           break;
14918         }
14919
14920         if (draw_with_brush)
14921         {
14922           CopyBrushToLevel(sx, sy, button);
14923         }
14924         else
14925         {
14926           SetDrawModeHiRes(new_element);
14927
14928           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
14929           {
14930             // remove player at old position
14931             for (y = 0; y < lev_fieldy; y++)
14932             {
14933               for (x = 0; x < lev_fieldx; x++)
14934               {
14935                 int old_element = Tile[x][y];
14936
14937                 if (IS_PLAYER_ELEMENT(old_element) &&
14938                     IS_PLAYER_ELEMENT(new_element))
14939                 {
14940                   int replaced_with_element =
14941                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
14942                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
14943
14944                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
14945                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
14946
14947                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
14948                      old_element == EL_PLAYER_1 ? EL_EMPTY :
14949
14950                      new_element >= EL_PLAYER_1 &&
14951                      new_element <= EL_PLAYER_4 &&
14952                      new_element == old_element ? EL_EMPTY :
14953
14954                      old_element);
14955
14956                   SetElement(x, y, replaced_with_element);
14957                 }
14958                 else if (IS_MM_MCDUFFIN(old_element) &&
14959                          IS_MM_MCDUFFIN(new_element))
14960                 {
14961                   // remove McDuffin at old position
14962                   SetElement(x, y, EL_EMPTY);
14963                 }
14964               }
14965             }
14966           }
14967
14968           SetElementButton(lx, ly, dx, dy, new_element, button);
14969         }
14970       }
14971       else if (!button_release_event)
14972       {
14973         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14974
14975         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
14976           DrawMiniGraphicExt(drawto,
14977                              gi->x + sx * MINI_TILEX,
14978                              gi->y + sy * MINI_TILEY,
14979                              el2edimg(new_element));
14980         else
14981           DrawFixedGraphicExt(drawto,
14982                               gi->x + sx * TILEX,
14983                               gi->y + sy * TILEY,
14984                               el2edimg(new_element), 0);
14985
14986         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14987           new_element = GFX_ELEMENT(new_element);
14988
14989         drawingarea_info[type_id].value[pos] = new_element;
14990
14991         CopyElementPropertiesToGame(properties_element);
14992
14993         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14994         {
14995           UpdateCustomElementGraphicGadgets();
14996
14997           FrameCounter = 0;     // restart animation frame counter
14998         }
14999       }
15000       break;
15001
15002     case GADGET_ID_CONNECTED_ITEMS:
15003       {
15004         static int last_sx = -1;
15005         static int last_sy = -1;
15006
15007         if (button_release_event)
15008           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15009
15010         SetDrawModeHiRes(new_element);
15011
15012         if (getDrawModeHiRes())
15013         {
15014           sx = sx2;
15015           sy = sy2;
15016         }
15017
15018         if (!button_press_event)
15019           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
15020
15021         last_sx = sx;
15022         last_sy = sy;
15023       }
15024       break;
15025
15026     case GADGET_ID_LINE:
15027     case GADGET_ID_ARC:
15028     case GADGET_ID_RECTANGLE:
15029     case GADGET_ID_FILLED_BOX:
15030       SetDrawModeHiRes(new_element);
15031
15032       if (getDrawModeHiRes())
15033       {
15034         sx = sx2;
15035         sy = sy2;
15036       }
15037       // FALLTHROUGH
15038     case GADGET_ID_GRAB_BRUSH:
15039     case GADGET_ID_TEXT:
15040       {
15041         static int last_sx = -1;
15042         static int last_sy = -1;
15043         static int start_sx = -1;
15044         static int start_sy = -1;
15045         void (*draw_func)(int, int, int, int, int, boolean);
15046
15047         if (drawing_function == GADGET_ID_LINE)
15048           draw_func = DrawLine;
15049         else if (drawing_function == GADGET_ID_ARC)
15050           draw_func = DrawArc;
15051         else if (drawing_function == GADGET_ID_RECTANGLE)
15052           draw_func = DrawBox;
15053         else if (drawing_function == GADGET_ID_FILLED_BOX)
15054           draw_func = DrawFilledBox;
15055         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
15056           draw_func = SelectArea;
15057         else // (drawing_function == GADGET_ID_TEXT)
15058           draw_func = SetTextCursor;
15059
15060         if (button_press_event)
15061         {
15062           draw_func(sx, sy, sx, sy, new_element, FALSE);
15063           start_sx = last_sx = sx;
15064           start_sy = last_sy = sy;
15065
15066           if (drawing_function == GADGET_ID_TEXT)
15067             DrawLevelText(0, 0, 0, TEXT_END);
15068         }
15069         else if (button_release_event)
15070         {
15071           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
15072           if (drawing_function == GADGET_ID_GRAB_BRUSH)
15073           {
15074             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
15075             CopyBrushToCursor(sx, sy);
15076             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15077                           MB_LEFTBUTTON);
15078             draw_with_brush = TRUE;
15079           }
15080           else if (drawing_function == GADGET_ID_TEXT)
15081             DrawLevelText(sx, sy, 0, TEXT_INIT);
15082           else
15083             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15084         }
15085         else if (last_sx != sx || last_sy != sy)
15086         {
15087           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
15088           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
15089             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
15090           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
15091           last_sx = sx;
15092           last_sy = sy;
15093         }
15094       }
15095       break;
15096
15097     case GADGET_ID_FLOOD_FILL:
15098       if (button_press_event && Tile[lx][ly] != new_element)
15099       {
15100         if (IS_MM_WALL_EDITOR(new_element))
15101           FloodFillWall_MM(sx2, sy2, new_element);
15102         else
15103           FloodFill(lx, ly, new_element);
15104
15105         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15106         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15107       }
15108       break;
15109
15110     case GADGET_ID_PICK_ELEMENT:
15111       if (button_release_event)
15112         ClickOnGadget(level_editor_gadget[last_drawing_function],
15113                       MB_LEFTBUTTON);
15114       else if (draw_level)
15115         PickDrawingElement(button, Tile[lx][ly]);
15116       else
15117       {
15118         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15119
15120         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
15121       }
15122
15123     default:
15124       break;
15125   }
15126
15127   // do not mark level as modified for certain non-level-changing gadgets
15128   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
15129        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
15130       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
15131       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15132     return;
15133
15134   level.changed = TRUE;
15135 }
15136
15137 static void HandleCounterButtons(struct GadgetInfo *gi)
15138 {
15139   int gadget_id = gi->custom_id;
15140   int counter_id = gi->custom_type_id;
15141   int button = gi->event.button;
15142   int *counter_value = counterbutton_info[counter_id].value;
15143   int step = BUTTON_STEPSIZE(button) *
15144     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
15145
15146   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15147   {
15148     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
15149     boolean released = (gi->event.type == GD_EVENT_RELEASED);
15150     boolean level_changed = LevelChanged();
15151
15152     if ((level_changed && pressed) || (!level_changed && released))
15153       return;
15154
15155     if (level_changed && !Request("Level has changed! Discard changes?",
15156                                   REQ_ASK))
15157     {
15158       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15159         ModifyEditorCounterValue(counter_id, *counter_value);
15160
15161       return;
15162     }
15163   }
15164
15165   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15166     *counter_value = gi->textinput.number_value;
15167   else
15168     ModifyEditorCounterValue(counter_id, *counter_value + step);
15169
15170   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15171   {
15172     int last_game_engine_type = level.game_engine_type;
15173
15174     LoadLevel(level_nr);
15175     LoadScore(level_nr);
15176
15177     SaveLevelSetup_SeriesInfo();
15178
15179     TapeErase();
15180
15181     ResetUndoBuffer();
15182     DrawEditModeWindow();
15183
15184     if (level.game_engine_type != last_game_engine_type)
15185     {
15186       // update element selection list
15187       ReinitializeElementList();
15188       ModifyEditorElementList();
15189     }
15190
15191     return;
15192   }
15193
15194   switch (counter_id)
15195   {
15196     case ED_COUNTER_ID_YAMYAM_CONTENT:
15197       DrawYamYamContentAreas();
15198       break;
15199
15200     case ED_COUNTER_ID_BALL_CONTENT:
15201       DrawMagicBallContentAreas();
15202       break;
15203
15204     case ED_COUNTER_ID_ANDROID_CONTENT:
15205       DrawAndroidElementArea();
15206       break;
15207
15208     case ED_COUNTER_ID_GROUP_CONTENT:
15209       DrawGroupElementArea();
15210       CopyGroupElementPropertiesToGame(properties_element);
15211       break;
15212
15213     case ED_COUNTER_ID_INVENTORY_SIZE:
15214       DrawPlayerInitialInventoryArea(properties_element);
15215       break;
15216
15217     case ED_COUNTER_ID_MM_BALL_CONTENT:
15218       DrawMMBallContentArea();
15219       break;
15220
15221     case ED_COUNTER_ID_ENVELOPE_XSIZE:
15222     case ED_COUNTER_ID_ENVELOPE_YSIZE:
15223       DrawEnvelopeTextArea(-1);
15224       break;
15225
15226     case ED_COUNTER_ID_LEVEL_XSIZE:
15227     case ED_COUNTER_ID_LEVEL_YSIZE:
15228       lev_fieldx = level.fieldx;
15229       lev_fieldy = level.fieldy;
15230
15231       // check if resizing of level results in change of border border
15232       SetBorderElement();
15233
15234       break;
15235
15236     default:
15237       break;
15238   }
15239
15240   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
15241        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
15242       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
15243        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
15244     CopyElementPropertiesToGame(properties_element);
15245
15246   // do not mark level as modified for certain non-level-changing gadgets
15247   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
15248        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
15249       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
15250        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
15251     return;
15252
15253   level.changed = TRUE;
15254 }
15255
15256 static void HandleTextInputGadgets(struct GadgetInfo *gi)
15257 {
15258   int type_id = gi->custom_type_id;
15259
15260   strcpy(textinput_info[type_id].value, gi->textinput.value);
15261
15262   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
15263   {
15264     CopyElementPropertiesToGame(properties_element);
15265
15266     ModifyEditorElementList();  // update changed button info text
15267   }
15268
15269   // do not mark level as modified for certain non-level-changing gadgets
15270   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
15271       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
15272     return;
15273
15274   level.changed = TRUE;
15275 }
15276
15277 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
15278 {
15279   int type_id = gi->custom_type_id;
15280
15281   strncpy(textarea_info[type_id].value, gi->textarea.value,
15282           MAX_ENVELOPE_TEXT_LEN);
15283   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
15284
15285   level.changed = TRUE;
15286 }
15287
15288 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
15289 {
15290   int type_id = gi->custom_type_id;
15291   int value_old = *selectbox_info[type_id].value;
15292   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
15293
15294   *selectbox_info[type_id].value = value_new;
15295
15296   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
15297   {
15298     DrawLevelConfigWindow();
15299   }
15300   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15301   {
15302     element_info[properties_element].current_change_page = gi->selectbox.index;
15303
15304     DrawPropertiesWindow();
15305   }
15306   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
15307             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
15308            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
15309             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
15310            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
15311   {
15312     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
15313     {
15314       // when changing action type, also check action mode and action arg
15315       if (value_old != value_new)
15316         setSelectboxSpecialActionVariablesIfNeeded();
15317
15318       DrawPropertiesChange();
15319     }
15320
15321     CopyElementPropertiesToGame(properties_element);
15322   }
15323   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
15324   {
15325     // show or hide "engine" tabulator depending on game engine type
15326     DrawLevelConfigWindow();
15327
15328     // update element selection list depending on game engine type
15329     ReinitializeElementList();
15330     ModifyEditorElementList();
15331   }
15332   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
15333   {
15334     // update BD cycle delay counter gadgets depending on BD scheduling type
15335     DrawLevelConfigWindow();
15336   }
15337
15338   // do not mark level as modified for certain non-level-changing gadgets
15339   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
15340       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15341     return;
15342
15343   level.changed = TRUE;
15344 }
15345
15346 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
15347 {
15348   int type_id = gi->custom_type_id;
15349   int i;
15350
15351   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
15352       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
15353   {
15354     edit_mode_levelconfig = gi->custom_type_id;
15355
15356     DrawLevelConfigWindow();
15357   }
15358   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
15359            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
15360   {
15361     edit_mode_properties = gi->custom_type_id;
15362
15363     DrawPropertiesWindow();
15364   }
15365   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
15366            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
15367   {
15368     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
15369
15370     // backup original "level.field" (needed to track playfield changes)
15371     CopyPlayfield(level.field, TileBackup);
15372
15373     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
15374     CopyPlayfield(Tile, level.field);
15375
15376     if (new_template ||
15377         Request("Save this template and kill the old?", REQ_ASK))
15378       SaveLevelTemplate();
15379
15380     if (new_template)
15381       Request("Template saved!", REQ_CONFIRM);
15382
15383     // restore original "level.field" (needed to track playfield changes)
15384     CopyPlayfield(TileBackup, level.field);
15385   }
15386   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
15387   {
15388     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
15389
15390     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
15391         leveldir_current->readonly)
15392     {
15393       Request("This level set is read-only!", REQ_CONFIRM);
15394
15395       return;
15396     }
15397
15398     if (strEqual(levelset_name, ""))
15399     {
15400       Request("Please enter level set title!", REQ_CONFIRM);
15401
15402       return;
15403     }
15404
15405     if (strEqual(levelset_author, ""))
15406     {
15407       Request("Please enter level set author!", REQ_CONFIRM);
15408
15409       return;
15410     }
15411
15412     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
15413     {
15414       if (UpdateUserLevelSet(levelset_subdir,
15415                              levelset_name,
15416                              levelset_author,
15417                              levelset_num_levels))
15418       {
15419         Request("Level set updated!", REQ_CONFIRM);
15420       }
15421       else
15422       {
15423         Request("Updating level set failed!", REQ_CONFIRM);
15424       }
15425     }
15426     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
15427     {
15428       if (level.changed && !Request("Level has changed! Discard changes?",
15429                                      REQ_ASK))
15430         return;
15431
15432       if (CreateUserLevelSet(levelset_subdir,
15433                              levelset_name,
15434                              levelset_author,
15435                              levelset_num_levels,
15436                              levelset_use_levelset_artwork))
15437       {
15438         if (levelset_copy_level_template)
15439           CopyLevelTemplateToUserLevelSet(levelset_subdir);
15440
15441         Request("New level set created!", REQ_CONFIRM);
15442
15443         AddUserLevelSetToLevelInfo(levelset_subdir);
15444         ChangeEditorToLevelSet(levelset_subdir);
15445       }
15446       else
15447       {
15448         Request("Creating new level set failed!", REQ_CONFIRM);
15449       }
15450     }
15451   }
15452   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
15453            custom_element.num_change_pages < MAX_CHANGE_PAGES)
15454   {
15455     struct ElementInfo *ei = &element_info[properties_element];
15456
15457     // when modifying custom element, ask for copying level template
15458     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15459       return;
15460
15461     setElementChangePages(ei, ei->num_change_pages + 1);
15462
15463     // set new change page to be new current change page
15464     ei->current_change_page = ei->num_change_pages - 1;
15465     ei->change = &ei->change_page[ei->current_change_page];
15466
15467     setElementChangeInfoToDefaults(ei->change);
15468
15469     DrawPropertiesWindow();
15470
15471     level.changed = TRUE;
15472   }
15473   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
15474            custom_element.num_change_pages > MIN_CHANGE_PAGES)
15475   {
15476     struct ElementInfo *ei = &element_info[properties_element];
15477
15478     // when modifying custom element, ask for copying level template
15479     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15480       return;
15481
15482     // copy all change pages after change page to be deleted
15483     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
15484       ei->change_page[i] = ei->change_page[i + 1];
15485
15486     setElementChangePages(ei, ei->num_change_pages - 1);
15487
15488     DrawPropertiesWindow();
15489
15490     level.changed = TRUE;
15491   }
15492 }
15493
15494 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
15495 {
15496   int type_id = gi->custom_type_id;
15497
15498   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
15499       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
15500   {
15501     struct ElementInfo *ei = &element_info[properties_element];
15502     int step = BUTTON_STEPSIZE(gi->event.button);
15503
15504     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
15505     ei->current_change_page += step;
15506
15507     if (ei->current_change_page < 0)
15508       ei->current_change_page = 0;
15509     else if (ei->current_change_page >= ei->num_change_pages)
15510       ei->current_change_page = ei->num_change_pages - 1;
15511
15512     DrawPropertiesWindow();
15513   }
15514   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
15515            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15516   {
15517     struct ElementInfo *ei = &element_info[properties_element];
15518     int current_change_page = ei->current_change_page;
15519
15520     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
15521     {
15522       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
15523         ei->change_page[current_change_page];
15524     }
15525     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15526     {
15527       // when modifying custom element, ask for copying level template
15528       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15529         return;
15530
15531       ei->change_page[current_change_page] =
15532         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
15533
15534       level.changed = TRUE;
15535     }
15536
15537     DrawPropertiesWindow();
15538   }
15539 }
15540
15541 static void HandleRadiobuttons(struct GadgetInfo *gi)
15542 {
15543   int type_id = gi->custom_type_id;
15544
15545   *radiobutton_info[type_id].value =
15546     radiobutton_info[type_id].checked_value;
15547
15548   // do not mark level as modified for certain non-level-changing gadgets
15549   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
15550       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
15551     return;
15552
15553   level.changed = TRUE;
15554 }
15555
15556 static void HandleCheckbuttons(struct GadgetInfo *gi)
15557 {
15558   int type_id = gi->custom_type_id;
15559
15560   *checkbutton_info[type_id].value ^= TRUE;
15561
15562   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
15563       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
15564       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
15565       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
15566          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
15567         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
15568          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
15569        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
15570   {
15571     CopyElementPropertiesToGame(properties_element);
15572   }
15573
15574   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
15575   {
15576     UpdateCustomElementGraphicGadgets();
15577   }
15578   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
15579            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
15580   {
15581     boolean template_related_changes_found = FALSE;
15582     int i;
15583
15584     // check if any custom, group or empty elements have been changed
15585     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
15586       if ((IS_CUSTOM_ELEMENT(i) ||
15587            IS_GROUP_ELEMENT(i) ||
15588            IS_EMPTY_ELEMENT(i)) &&
15589           element_info[i].modified_settings)
15590         template_related_changes_found = TRUE;
15591
15592     if (level.use_custom_template &&
15593         !fileExists(getGlobalLevelTemplateFilename()))
15594     {
15595       Request("No level template found!", REQ_CONFIRM);
15596
15597       level.use_custom_template = FALSE;
15598
15599       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15600
15601       return;
15602     }
15603
15604     if (level.use_custom_template &&
15605         template_related_changes_found &&
15606         !Request("Discard changes and use level template?", REQ_ASK))
15607     {
15608       level.use_custom_template = FALSE;
15609
15610       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15611
15612       return;
15613     }
15614
15615     if (!level.use_custom_template &&
15616         Request("Copy settings from level template?", REQ_ASK))
15617     {
15618       return;
15619     }
15620
15621     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
15622
15623     DrawEditModeWindow();
15624   }
15625   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
15626   {
15627     if (setup.editor.use_template_for_new_levels &&
15628         !fileExists(getGlobalLevelTemplateFilename()))
15629     {
15630       Request("No level template found!", REQ_CONFIRM);
15631
15632       return;
15633     }
15634
15635     if (setup.editor.use_template_for_new_levels &&
15636         level.changed &&
15637         !Request("Discard level and load template?", REQ_ASK))
15638     {
15639       return;
15640     }
15641
15642     if (!setup.editor.use_template_for_new_levels &&
15643         level.changed &&
15644         !Request("Discard level and use empty level?", REQ_ASK))
15645     {
15646       return;
15647     }
15648
15649     LoadLevel(level_nr);
15650     LoadScore(level_nr);
15651
15652     TapeErase();
15653
15654     ResetUndoBuffer();
15655     DrawEditModeWindow();
15656   }
15657   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
15658   {
15659     SetAutomaticNumberOfGemsNeeded();
15660   }
15661
15662   // do not mark level as modified for certain non-level-changing gadgets
15663   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
15664        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
15665       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
15666        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
15667        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
15668       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
15669     return;
15670
15671   level.changed = TRUE;
15672 }
15673
15674 static void HandleControlButtons(struct GadgetInfo *gi)
15675 {
15676   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
15677   static int last_edit_mode = ED_MODE_DRAWING;
15678   static int last_custom_copy_mode = -1;
15679   static int last_button = 0;
15680   int id = gi->custom_id;
15681   int button = gi->event.button;
15682   int step = BUTTON_STEPSIZE(button);
15683   int new_element = BUTTON_ELEMENT(button);
15684   int last_properties_element = properties_element;
15685   int x, y;
15686
15687   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
15688     DrawLevelText(0, 0, 0, TEXT_END);
15689
15690   if (id < ED_NUM_CTRL1_BUTTONS &&
15691       id != GADGET_ID_SINGLE_ITEMS &&
15692       id != GADGET_ID_PICK_ELEMENT &&
15693       edit_mode != ED_MODE_DRAWING &&
15694       drawing_function != GADGET_ID_PICK_ELEMENT &&
15695       !(GetKeyModState() & KMOD_Control))
15696     ChangeEditModeWindow(ED_MODE_DRAWING);
15697
15698   // element copy mode active, but no element button pressed => deactivate
15699   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
15700     last_custom_copy_mode = -1;
15701
15702   // when showing palette on element buttons, change element of button used
15703   if (editor.palette.show_on_element_buttons &&
15704       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
15705   {
15706     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
15707
15708     id = GADGET_ID_PALETTE;
15709   }
15710
15711   switch (id)
15712   {
15713     case GADGET_ID_SCROLL_LEFT:
15714       if (level_xpos >= 0)
15715       {
15716         if (lev_fieldx < ed_fieldx - 2)
15717           break;
15718
15719         level_xpos -= step;
15720         if (level_xpos < -1)
15721           level_xpos = -1;
15722         if (button == 1)
15723           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
15724         else
15725           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15726
15727         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15728                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15729       }
15730       break;
15731
15732     case GADGET_ID_SCROLL_RIGHT:
15733       if (level_xpos <= lev_fieldx - ed_fieldx)
15734       {
15735         if (lev_fieldx < ed_fieldx - 2)
15736           break;
15737
15738         level_xpos += step;
15739         if (level_xpos > lev_fieldx - ed_fieldx + 1)
15740           level_xpos = lev_fieldx - ed_fieldx + 1;
15741         if (button == 1)
15742           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
15743         else
15744           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15745
15746         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15747                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15748       }
15749       break;
15750
15751     case GADGET_ID_SCROLL_UP:
15752       if (level_ypos >= 0)
15753       {
15754         if (lev_fieldy < ed_fieldy - 2)
15755           break;
15756
15757         level_ypos -= step;
15758         if (level_ypos < -1)
15759           level_ypos = -1;
15760         if (button == 1)
15761           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
15762         else
15763           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15764
15765         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15766                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15767       }
15768       break;
15769
15770     case GADGET_ID_SCROLL_DOWN:
15771       if (level_ypos <= lev_fieldy - ed_fieldy)
15772       {
15773         if (lev_fieldy < ed_fieldy - 2)
15774           break;
15775
15776         level_ypos += step;
15777         if (level_ypos > lev_fieldy - ed_fieldy + 1)
15778           level_ypos = lev_fieldy - ed_fieldy + 1;
15779         if (button == 1)
15780           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
15781         else
15782           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15783
15784         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15785                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15786       }
15787       break;
15788
15789     case GADGET_ID_SCROLL_HORIZONTAL:
15790       level_xpos = gi->event.item_position - 1;
15791
15792       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15793       BackToFront();
15794
15795       break;
15796
15797     case GADGET_ID_SCROLL_VERTICAL:
15798       level_ypos = gi->event.item_position - 1;
15799
15800       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15801       BackToFront();
15802
15803       break;
15804
15805     case GADGET_ID_SCROLL_LIST_UP:
15806     case GADGET_ID_SCROLL_LIST_DOWN:
15807     case GADGET_ID_SCROLL_LIST_VERTICAL:
15808       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
15809         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
15810       else
15811       {
15812         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
15813         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15814
15815         if (element_shift < 0)
15816           element_shift = 0;
15817         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15818           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15819
15820         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15821                      GDI_SCROLLBAR_ITEM_POSITION,
15822                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15823       }
15824
15825       ModifyEditorElementList();
15826
15827       break;
15828
15829     case GADGET_ID_PROPERTIES:
15830       // always switch off element properties when they are already displayed
15831       last_properties_element = new_element;
15832     case GADGET_ID_ELEMENT_LEFT:
15833     case GADGET_ID_ELEMENT_MIDDLE:
15834     case GADGET_ID_ELEMENT_RIGHT:
15835       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
15836                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
15837                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
15838                             new_element);
15839
15840       if (edit_mode != ED_MODE_PROPERTIES)
15841       {
15842         last_edit_mode = edit_mode;
15843
15844         ChangeEditModeWindow(ED_MODE_PROPERTIES);
15845
15846         last_level_drawing_function = drawing_function;
15847         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15848                       MB_LEFTBUTTON);
15849       }
15850       else if (properties_element != last_properties_element)
15851       {
15852         DrawEditModeWindow();
15853       }
15854       else
15855       {
15856         ChangeEditModeWindow(ED_MODE_DRAWING);
15857
15858         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
15859                       MB_LEFTBUTTON);
15860       }
15861       break;
15862
15863     case GADGET_ID_PALETTE:
15864       if (edit_mode != ED_MODE_PALETTE)
15865       {
15866         last_edit_mode = edit_mode;
15867
15868         ChangeEditModeWindow(ED_MODE_PALETTE);
15869       }
15870       else
15871       {
15872         ChangeEditModeWindow(last_edit_mode);
15873       }
15874       break;
15875
15876     case GADGET_ID_WRAP_LEFT:
15877       WrapLevel(-step, 0);
15878       break;
15879
15880     case GADGET_ID_WRAP_RIGHT:
15881       WrapLevel(step, 0);
15882       break;
15883
15884     case GADGET_ID_WRAP_UP:
15885       WrapLevel(0, -step);
15886       break;
15887
15888     case GADGET_ID_WRAP_DOWN:
15889       WrapLevel(0, step);
15890       break;
15891
15892     case GADGET_ID_SINGLE_ITEMS:
15893     case GADGET_ID_CONNECTED_ITEMS:
15894     case GADGET_ID_LINE:
15895     case GADGET_ID_ARC:
15896     case GADGET_ID_TEXT:
15897     case GADGET_ID_RECTANGLE:
15898     case GADGET_ID_FILLED_BOX:
15899     case GADGET_ID_FLOOD_FILL:
15900     case GADGET_ID_GRAB_BRUSH:
15901     case GADGET_ID_PICK_ELEMENT:
15902       if (drawing_function != GADGET_ID_PICK_ELEMENT)
15903         last_drawing_function = drawing_function;
15904       drawing_function = id;
15905       draw_with_brush = FALSE;
15906       break;
15907
15908     case GADGET_ID_RANDOM_PLACEMENT:
15909       RandomPlacement(new_element);
15910       break;
15911
15912     case GADGET_ID_ZOOM:
15913       // zoom level editor tile size in or out (or reset to default size)
15914       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
15915                      button == 2 ? ed_tilesize_default :
15916                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
15917
15918       // when using touch device, cycle through all zoom tilesizes
15919       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
15920         ed_tilesize = MICRO_TILESIZE;
15921
15922       // limit zoom level by upper and lower bound
15923       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
15924
15925       InitZoomLevelSettings(ed_tilesize);
15926
15927       if (edit_mode == ED_MODE_DRAWING)
15928       {
15929         DrawDrawingWindow();
15930
15931         // redraw zoom gadget info text
15932         PrintEditorGadgetInfoText(level_editor_gadget[id]);
15933       }
15934
15935       // save current editor zoom tilesize
15936       SaveSetup_AutoSetup();
15937
15938       break;
15939
15940     case GADGET_ID_CUSTOM_COPY_FROM:
15941     case GADGET_ID_CUSTOM_COPY_TO:
15942     case GADGET_ID_CUSTOM_EXCHANGE:
15943       last_custom_copy_mode = id;
15944       last_drawing_function = drawing_function;
15945       break;
15946
15947     case GADGET_ID_CUSTOM_COPY:
15948       CopyCustomElement(properties_element, -1, id);
15949       break;
15950
15951     case GADGET_ID_CUSTOM_PASTE:
15952       CopyCustomElement(-1, properties_element, id);
15953       break;
15954
15955     case GADGET_ID_UNDO:
15956       if (button < 0)   // keep button value (even if modifier keys are pressed)
15957         button = -button;
15958       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
15959         button = 3;
15960
15961       if (button == 1 && undo_buffer_steps == 0)
15962       {
15963         Request("Undo buffer empty!", REQ_CONFIRM);
15964
15965         break;
15966       }
15967       else if (button == 2)
15968       {
15969         break;
15970       }
15971       else if (button == 3 && redo_buffer_steps == 0)
15972       {
15973         Request("Redo buffer empty!", REQ_CONFIRM);
15974
15975         break;
15976       }
15977
15978       if (edit_mode != ED_MODE_DRAWING)
15979         ChangeEditModeWindow(ED_MODE_DRAWING);
15980
15981       if (button == 1)
15982       {
15983         // undo
15984
15985         undo_buffer_position =
15986           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
15987
15988         undo_buffer_steps--;
15989         redo_buffer_steps++;
15990       }
15991       else
15992       {
15993         // redo
15994
15995         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15996
15997         undo_buffer_steps++;
15998         redo_buffer_steps--;
15999       }
16000
16001       for (x = 0; x < lev_fieldx; x++)
16002         for (y = 0; y < lev_fieldy; y++)
16003           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
16004
16005       // check if undo operation forces change of border style
16006       CheckLevelBorderElement(FALSE);
16007
16008       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16009
16010       break;
16011
16012     case GADGET_ID_CONF:
16013       if (edit_mode != ED_MODE_LEVELCONFIG)
16014       {
16015         last_edit_mode = edit_mode;
16016
16017         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
16018       }
16019       else
16020       {
16021         ChangeEditModeWindow(ED_MODE_DRAWING);
16022       }
16023       break;
16024
16025     case GADGET_ID_CLEAR:
16026       if (edit_mode != ED_MODE_DRAWING)
16027         ChangeEditModeWindow(ED_MODE_DRAWING);
16028
16029       for (x = 0; x < MAX_LEV_FIELDX; x++)
16030         for (y = 0; y < MAX_LEV_FIELDY; y++)
16031           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
16032
16033       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
16034
16035       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16036       break;
16037
16038     case GADGET_ID_SAVE:
16039     {
16040       // saving read-only levels into personal level set modifies global vars
16041       // "leveldir_current" and "level_nr"; restore them after saving level
16042       LevelDirTree *leveldir_former = leveldir_current;
16043       int level_nr_former = level_nr;
16044       char *level_filename;
16045       boolean new_level;
16046
16047       if (leveldir_current->readonly &&
16048           !PrepareSavingIntoPersonalLevelSet())
16049         break;
16050
16051       level_filename = getDefaultLevelFilename(level_nr);
16052       new_level = !fileExists(level_filename);
16053
16054       if (new_level ||
16055           Request("Save this level and kill the old?", REQ_ASK))
16056       {
16057         if (leveldir_former->readonly)
16058           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
16059
16060         SetAutomaticNumberOfGemsNeeded();
16061
16062         CopyPlayfield(Tile, level.field);
16063         SaveLevel(level_nr);
16064
16065         level.changed = FALSE;
16066
16067         if (new_level)
16068         {
16069           char level_saved_msg[64];
16070
16071           if (leveldir_former->readonly)
16072             sprintf(level_saved_msg,
16073                     "Level saved as level %d into personal level set!",
16074                     level_nr);
16075           else
16076             strcpy(level_saved_msg, "Level saved!");
16077
16078           Request(level_saved_msg, REQ_CONFIRM);
16079         }
16080       }
16081
16082       // "cd" back to copied-from levelset (in case of saved read-only level)
16083       leveldir_current = leveldir_former;
16084       level_nr = level_nr_former;
16085
16086       break;
16087     }
16088
16089     case GADGET_ID_TEST:
16090       if (LevelChanged())
16091         level.game_version = GAME_VERSION_ACTUAL;
16092
16093       CopyPlayfield(level.field, TileBackup);
16094       CopyPlayfield(Tile, level.field);
16095
16096       CopyNativeLevel_RND_to_Native(&level);
16097
16098       UnmapLevelEditorGadgets();
16099       UndrawSpecialEditorDoor();
16100
16101       CloseDoor(DOOR_CLOSE_ALL);
16102
16103       // needed before playing if editor playfield area has different size
16104       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
16105
16106       // redraw_mask = REDRAW_ALL;
16107
16108       level_editor_test_game = TRUE;
16109
16110       StartGameActions(FALSE, setup.autorecord, level.random_seed);
16111
16112       break;
16113
16114     case GADGET_ID_EXIT:
16115       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
16116       break;
16117
16118     default:
16119       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
16120           id <= GADGET_ID_ELEMENTLIST_LAST)
16121       {
16122         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
16123
16124         new_element = editor_elements[element_position + element_shift];
16125
16126         if (IS_EDITOR_CASCADE(new_element))
16127         {
16128           int i;
16129
16130           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
16131           {
16132             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
16133             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
16134
16135             if (*cascade_element == new_element)
16136             {
16137               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
16138               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
16139
16140               // update element selection list
16141               ReinitializeElementList();
16142               ModifyEditorElementList();
16143
16144               // update cascading gadget info text
16145               PrintEditorGadgetInfoText(level_editor_gadget[id]);
16146
16147               // save current editor cascading state
16148               SaveSetup_EditorCascade();
16149
16150               break;
16151             }
16152           }
16153
16154           break;
16155         }
16156
16157         if (last_custom_copy_mode != -1)
16158         {
16159           if (CopyCustomElement(properties_element, new_element,
16160                                 last_custom_copy_mode))
16161           {
16162             ClickOnGadget(level_editor_gadget[last_drawing_function],
16163                           MB_LEFTBUTTON);
16164
16165             last_custom_copy_mode = -1;
16166           }
16167
16168           break;
16169         }
16170
16171         // change element of button used to show palette
16172         if (editor.palette.show_on_element_buttons)
16173           button = last_button;
16174
16175         PickDrawingElement(button, new_element);
16176
16177         if (!stick_element_properties_window &&
16178             drawing_function != GADGET_ID_PICK_ELEMENT &&
16179             !(GetKeyModState() & KMOD_Control))
16180         {
16181           properties_element = new_element;
16182           if (edit_mode == ED_MODE_PROPERTIES)
16183             DrawPropertiesWindow();
16184         }
16185
16186         if (drawing_function == GADGET_ID_PICK_ELEMENT)
16187           ClickOnGadget(level_editor_gadget[last_drawing_function],
16188                         MB_LEFTBUTTON);
16189
16190         if (!use_permanent_palette)
16191           ChangeEditModeWindow(last_edit_mode);
16192       }
16193 #ifdef DEBUG
16194       else if (gi->event.type == GD_EVENT_PRESSED)
16195         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
16196       else if (gi->event.type == GD_EVENT_RELEASED)
16197         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
16198       else if (gi->event.type == GD_EVENT_MOVING)
16199         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
16200       else
16201         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
16202 #endif
16203       break;
16204   }
16205 }
16206
16207 void HandleLevelEditorKeyInput(Key key)
16208 {
16209   char letter = getCharFromKey(key);
16210
16211   if (drawing_function == GADGET_ID_TEXT &&
16212       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
16213   {
16214     if (letter)
16215       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
16216     else if (key == KSYM_Delete || key == KSYM_BackSpace)
16217       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
16218     else if (key == KSYM_Return)
16219       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
16220     else if (key == KSYM_Escape)
16221       DrawLevelText(0, 0, 0, TEXT_END);
16222
16223     return;
16224   }
16225
16226   int id = GADGET_ID_NONE;
16227   int new_element_shift = element_shift;
16228   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
16229   int button = MB_LEFTBUTTON;
16230   int i;
16231
16232   switch (key)
16233   {
16234     case KSYM_Left:
16235       id = GADGET_ID_SCROLL_LEFT;
16236       break;
16237     case KSYM_Right:
16238       id = GADGET_ID_SCROLL_RIGHT;
16239       break;
16240     case KSYM_Up:
16241       id = GADGET_ID_SCROLL_UP;
16242       break;
16243     case KSYM_Down:
16244       id = GADGET_ID_SCROLL_DOWN;
16245       break;
16246
16247     case KSYM_Page_Up:
16248     case KSYM_Page_Down:
16249       step *= (key == KSYM_Page_Up ? -1 : +1);
16250       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16251
16252       if (element_shift < 0)
16253         element_shift = 0;
16254       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16255         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16256
16257       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16258                    GDI_SCROLLBAR_ITEM_POSITION,
16259                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16260
16261       ModifyEditorElementList();
16262
16263       break;
16264
16265     case KSYM_Home:
16266     case KSYM_End:
16267       element_shift = (key == KSYM_Home ? 0 :
16268                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
16269
16270       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16271                    GDI_SCROLLBAR_ITEM_POSITION,
16272                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16273
16274       ModifyEditorElementList();
16275
16276       break;
16277
16278     case KSYM_Insert:
16279     case KSYM_Delete:
16280
16281       // this is needed to prevent interference with running "True X-Mouse"
16282       if (GetKeyModStateFromEvents() & KMOD_Control)
16283         break;
16284
16285       // check for last or next editor cascade block in element list
16286       for (i = 0; i < num_editor_elements; i++)
16287       {
16288         if ((key == KSYM_Insert && i == element_shift) ||
16289             (key == KSYM_Delete && new_element_shift > element_shift))
16290           break;
16291
16292         // jump to next cascade block (or to start of element list)
16293         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
16294           new_element_shift = i;
16295       }
16296
16297       if (i < num_editor_elements)
16298         element_shift = new_element_shift;
16299
16300       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16301         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16302
16303       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16304                    GDI_SCROLLBAR_ITEM_POSITION,
16305                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16306
16307       ModifyEditorElementList();
16308
16309       break;
16310
16311     case KSYM_Escape:
16312       if (edit_mode == ED_MODE_DRAWING)
16313         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
16314       else if (edit_mode == ED_MODE_LEVELCONFIG)
16315         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
16316       else if (edit_mode == ED_MODE_PROPERTIES)
16317         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
16318       else if (edit_mode == ED_MODE_PALETTE)
16319         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
16320       else              // should never happen
16321         ChangeEditModeWindow(ED_MODE_DRAWING);
16322
16323       break;
16324
16325     default:
16326       break;
16327   }
16328
16329   if (id != GADGET_ID_NONE)
16330     ClickOnGadget(level_editor_gadget[id], button);
16331   else if (letter == '1' || letter == '?')
16332     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
16333   else if (letter == '2')
16334     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
16335   else if (letter == '3')
16336     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
16337   else if (letter == '.')
16338     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
16339   else if (letter == 'U')
16340     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
16341   else if (letter == '-' || key == KSYM_KP_Subtract)
16342     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
16343   else if (letter == '0' || key == KSYM_KP_0)
16344     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
16345   else if (letter == '+' || key == KSYM_KP_Add ||
16346            letter == '=')       // ("Shift-=" is "+" on US keyboards)
16347     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
16348   else if (key == KSYM_Return ||
16349            key == KSYM_space ||
16350            key == setup.shortcut.toggle_pause)
16351     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
16352   else
16353     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
16354       if (letter && letter == controlbutton_info[i].shortcut)
16355         if (!anyTextGadgetActive())
16356           ClickOnGadget(level_editor_gadget[i], button);
16357
16358   if (draw_with_brush)
16359   {
16360     if (letter == 'x')
16361       FlipBrushX();
16362     else if (letter == 'y')
16363       FlipBrushY();
16364     else if (letter == 'z')
16365       RotateBrush();
16366   }
16367 }
16368
16369 static void HandleLevelEditorIdle_Properties(void)
16370 {
16371   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
16372   int x = editor.settings.element_graphic.x + element_border;
16373   int y = editor.settings.element_graphic.y + element_border;
16374   static DelayCounter action_delay = { 0 };
16375   int i;
16376
16377   action_delay.value = GameFrameDelay;
16378
16379   if (!DelayReached(&action_delay))
16380     return;
16381
16382   for (i = 0; i < ED_NUM_SELECTBOX; i++)
16383   {
16384     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
16385
16386     if (gi->mapped && gi->active && gi->selectbox.open)
16387       return;
16388   }
16389
16390   DrawEditorElementAnimation(SX + x, SY + y);
16391
16392   redraw_mask |= REDRAW_FIELD;
16393
16394   FrameCounter++;       // increase animation frame counter
16395 }
16396
16397 static void HandleLevelEditorIdle_Drawing(void)
16398 {
16399   static boolean last_highlighted = FALSE;
16400   static boolean last_highlighted_similar = FALSE;
16401   boolean highlighted = (GetKeyModState() & KMOD_Alt);
16402   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
16403
16404   if (highlighted != last_highlighted ||
16405       (highlighted && highlighted_similar != last_highlighted_similar))
16406   {
16407     DrawAreaElementHighlight(highlighted, highlighted_similar);
16408
16409     redraw_mask |= REDRAW_FIELD;
16410   }
16411
16412   last_highlighted = highlighted;
16413   last_highlighted_similar = highlighted_similar;
16414 }
16415
16416 void HandleLevelEditorIdle(void)
16417 {
16418   if (edit_mode == ED_MODE_PROPERTIES)
16419     HandleLevelEditorIdle_Properties();
16420   else if (edit_mode == ED_MODE_DRAWING)
16421     HandleLevelEditorIdle_Drawing();
16422 }
16423
16424 static void ClearEditorGadgetInfoText(void)
16425 {
16426   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
16427 }
16428
16429 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
16430 {
16431   char infotext[MAX_OUTPUT_LINESIZE + 1];
16432   int max_infotext_len = getMaxInfoTextLength();
16433
16434   if (gi == NULL || strlen(gi->info_text) == 0)
16435     return;
16436
16437   strncpy(infotext, gi->info_text, max_infotext_len);
16438   infotext[max_infotext_len] = '\0';
16439
16440   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
16441   {
16442     int key = controlbutton_info[gi->custom_id].shortcut;
16443
16444     if (key)
16445     {
16446       char shortcut[MAX_OUTPUT_LINESIZE + 1];
16447
16448       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
16449         sprintf(shortcut, " ('.' or '%c')", key);
16450       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
16451         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
16452       else if (gi->custom_id == GADGET_ID_TEST)
16453         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
16454       else if (gi->custom_id == GADGET_ID_UNDO)
16455         sprintf(shortcut, " ('%c/Shift-U')", key);
16456       else if (gi->custom_id == GADGET_ID_ZOOM)
16457         sprintf(shortcut, " ('%c', '0', '-')", key);
16458       else
16459         sprintf(shortcut, " ('%s%c')",
16460                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
16461
16462       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
16463         strcat(infotext, shortcut);
16464     }
16465   }
16466
16467   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
16468 }
16469
16470 void HandleEditorGadgetInfoText(void *ptr)
16471 {
16472   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
16473
16474   if (game_status != GAME_MODE_EDITOR)
16475     return;
16476
16477   ClearEditorGadgetInfoText();
16478
16479   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
16480     return;
16481
16482   // misuse this function to delete brush cursor, if needed
16483   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
16484     DeleteBrushFromCursor();
16485
16486   PrintEditorGadgetInfoText(gi);
16487 }
16488
16489 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
16490 {
16491   int id = gi->custom_id;
16492   int type_id = gi->custom_type_id;
16493   int sx = gi->event.x;
16494   int sy = gi->event.y;
16495   int lx = sx + level_xpos;
16496   int ly = sy + level_ypos;
16497   int min_sx = 0, min_sy = 0;
16498   int max_sx = gi->drawing.area_xsize - 1;
16499   int max_sy = gi->drawing.area_ysize - 1;
16500   int actual_drawing_function = drawing_function;
16501   int max_infotext_len = getMaxInfoTextLength();
16502   char infotext[MAX_OUTPUT_LINESIZE + 1];
16503
16504   infotext[0] = '\0';           // start with empty info text
16505
16506   // pressed Control key: simulate picking element
16507   if (GetKeyModState() & KMOD_Control)
16508     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
16509
16510   ClearEditorGadgetInfoText();
16511
16512   if (gi->event.type == GD_EVENT_INFO_LEAVING)
16513     return;
16514
16515   // make sure to stay inside drawing area boundaries
16516   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
16517   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
16518
16519   if (id == GADGET_ID_DRAWING_LEVEL)
16520   {
16521     if (button_status)
16522     {
16523       int min_lx = 0, min_ly = 0;
16524       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
16525
16526       // get positions inside level field
16527       lx = sx + level_xpos;
16528       ly = sy + level_ypos;
16529
16530       // make sure to stay inside level field boundaries
16531       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
16532       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
16533
16534       // correct drawing area positions accordingly
16535       sx = lx - level_xpos;
16536       sy = ly - level_ypos;
16537     }
16538
16539     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16540     {
16541       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
16542       {
16543         static int start_lx = 0;
16544         static int start_ly = 0;
16545         char *text;
16546
16547         if (gi->event.type == GD_EVENT_PRESSED)
16548         {
16549           start_lx = lx;
16550           start_ly = ly;
16551         }
16552
16553         switch (actual_drawing_function)
16554         {
16555           case GADGET_ID_SINGLE_ITEMS:
16556             text = "Drawing single items";
16557             break;
16558           case GADGET_ID_CONNECTED_ITEMS:
16559             text = "Drawing connected items";
16560             break;
16561           case GADGET_ID_LINE:
16562             text = "Drawing line";
16563             break;
16564           case GADGET_ID_ARC:
16565             text = "Drawing arc";
16566             break;
16567           case GADGET_ID_TEXT:
16568             text = "Setting text cursor";
16569             break;
16570           case GADGET_ID_RECTANGLE:
16571             text = "Drawing rectangle";
16572             break;
16573           case GADGET_ID_FILLED_BOX:
16574             text = "Drawing filled box";
16575             break;
16576           case GADGET_ID_FLOOD_FILL:
16577             text = "Flood fill";
16578             break;
16579           case GADGET_ID_GRAB_BRUSH:
16580             text = "Grabbing brush";
16581             break;
16582           case GADGET_ID_PICK_ELEMENT:
16583             text = "Picking element";
16584             break;
16585
16586           default:
16587             text = "Drawing position";
16588             break;
16589         }
16590
16591         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16592           sprintf(infotext, "%s: %d, %d", text, lx, ly);
16593         else
16594           sprintf(infotext, "%s: %d, %d", text,
16595                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
16596       }
16597       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16598         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
16599       else
16600         sprintf(infotext, "Level position: %d, %d", lx, ly);
16601     }
16602
16603     // misuse this function to draw brush cursor, if needed
16604     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
16605     {
16606       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16607         CopyBrushToCursor(sx, sy);
16608       else
16609         DeleteBrushFromCursor();
16610     }
16611
16612     if (!draw_with_brush)
16613       UpdateBrushPosition(sx, sy);
16614   }
16615   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16616   {
16617     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16618     int element = drawingarea_info[type_id].value[pos];
16619
16620     strncpy(infotext, getElementInfoText(element), max_infotext_len);
16621   }
16622   else
16623   {
16624     if (id == GADGET_ID_CUSTOM_CONTENT)
16625       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
16626     else if (id == GADGET_ID_GROUP_CONTENT)
16627       sprintf(infotext, "group element position: %d", sx + 1);
16628     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
16629              id <= GADGET_ID_YAMYAM_CONTENT_7)
16630       sprintf(infotext, "content area %d position: %d, %d",
16631               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
16632     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
16633              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
16634       sprintf(infotext, "content area %d position: %d, %d",
16635               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
16636     else if (id == GADGET_ID_ANDROID_CONTENT)
16637       sprintf(infotext, "android element position: %d", sx + 1);
16638     else if (drawingarea_info[type_id].infotext != NULL)
16639       strcpy(infotext, drawingarea_info[type_id].infotext);
16640   }
16641
16642   infotext[max_infotext_len] = '\0';
16643
16644   if (strlen(infotext) > 0)
16645     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
16646 }
16647
16648 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
16649                             boolean quick_quit)
16650 {
16651   if (!ask_if_level_has_changed ||
16652       !LevelChanged() ||
16653       Request("Level has changed! Exit without saving?",
16654               REQ_ASK | REQ_STAY_OPEN))
16655   {
16656     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
16657     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
16658
16659     // draw normal door
16660     UndrawSpecialEditorDoor();
16661
16662     // use door animation if door 1 viewport is unchanged and contains toolbox
16663     if (useEditorDoorAnimation())
16664       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
16665
16666     // close editor doors if viewport definition is the same as in main menu
16667     if (vp_door_1->x      == DX     &&
16668         vp_door_1->y      == DY     &&
16669         vp_door_1->width  == DXSIZE &&
16670         vp_door_1->height == DYSIZE &&
16671         vp_door_2->x      == VX     &&
16672         vp_door_2->y      == VY     &&
16673         vp_door_2->width  == VXSIZE &&
16674         vp_door_2->height == VYSIZE)
16675       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
16676     else
16677       SetDoorState(DOOR_CLOSE_ALL);
16678
16679     BackToFront();
16680
16681     if (quick_quit)
16682       FadeSkipNextFadeIn();
16683
16684     SetGameStatus(GAME_MODE_MAIN);
16685
16686     DrawMainMenu();
16687   }
16688   else
16689   {
16690     if (!global.use_envelope_request)
16691     {
16692       CloseDoor(DOOR_CLOSE_1);
16693       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
16694     }
16695   }
16696 }