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_ELEMENT_VALUE1_DOWN,
 433   GADGET_ID_ELEMENT_VALUE1_TEXT,
 434   GADGET_ID_ELEMENT_VALUE1_UP,
 435   GADGET_ID_ELEMENT_VALUE2_DOWN,
 436   GADGET_ID_ELEMENT_VALUE2_TEXT,
 437   GADGET_ID_ELEMENT_VALUE2_UP,
 438   GADGET_ID_ELEMENT_VALUE3_DOWN,
 439   GADGET_ID_ELEMENT_VALUE3_TEXT,
 440   GADGET_ID_ELEMENT_VALUE3_UP,
 441   GADGET_ID_ELEMENT_VALUE4_DOWN,
 442   GADGET_ID_ELEMENT_VALUE4_TEXT,
 443   GADGET_ID_ELEMENT_VALUE4_UP,
 444   GADGET_ID_YAMYAM_CONTENT_DOWN,
 445   GADGET_ID_YAMYAM_CONTENT_TEXT,
 446   GADGET_ID_YAMYAM_CONTENT_UP,
 447   GADGET_ID_BALL_CONTENT_DOWN,
 448   GADGET_ID_BALL_CONTENT_TEXT,
 449   GADGET_ID_BALL_CONTENT_UP,
 450   GADGET_ID_ANDROID_CONTENT_DOWN,
 451   GADGET_ID_ANDROID_CONTENT_TEXT,
 452   GADGET_ID_ANDROID_CONTENT_UP,
 453   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 454   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 455   GADGET_ID_ENVELOPE_XSIZE_UP,
 456   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 457   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 458   GADGET_ID_ENVELOPE_YSIZE_UP,
 459   GADGET_ID_INVENTORY_SIZE_DOWN,
 460   GADGET_ID_INVENTORY_SIZE_TEXT,
 461   GADGET_ID_INVENTORY_SIZE_UP,
 462   GADGET_ID_MM_BALL_CONTENT_DOWN,
 463   GADGET_ID_MM_BALL_CONTENT_TEXT,
 464   GADGET_ID_MM_BALL_CONTENT_UP,
 465   GADGET_ID_CUSTOM_SCORE_DOWN,
 466   GADGET_ID_CUSTOM_SCORE_TEXT,
 467   GADGET_ID_CUSTOM_SCORE_UP,
 468   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 469   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 470   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 471   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 472   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 473   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 474   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 475   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 476   GADGET_ID_CUSTOM_VALUE_RND_UP,
 477   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 478   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 479   GADGET_ID_PUSH_DELAY_FIX_UP,
 480   GADGET_ID_PUSH_DELAY_RND_DOWN,
 481   GADGET_ID_PUSH_DELAY_RND_TEXT,
 482   GADGET_ID_PUSH_DELAY_RND_UP,
 483   GADGET_ID_DROP_DELAY_FIX_DOWN,
 484   GADGET_ID_DROP_DELAY_FIX_TEXT,
 485   GADGET_ID_DROP_DELAY_FIX_UP,
 486   GADGET_ID_DROP_DELAY_RND_DOWN,
 487   GADGET_ID_DROP_DELAY_RND_TEXT,
 488   GADGET_ID_DROP_DELAY_RND_UP,
 489   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 490   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 491   GADGET_ID_MOVE_DELAY_FIX_UP,
 492   GADGET_ID_MOVE_DELAY_RND_DOWN,
 493   GADGET_ID_MOVE_DELAY_RND_TEXT,
 494   GADGET_ID_MOVE_DELAY_RND_UP,
 495   GADGET_ID_STEP_DELAY_FIX_DOWN,
 496   GADGET_ID_STEP_DELAY_FIX_TEXT,
 497   GADGET_ID_STEP_DELAY_FIX_UP,
 498   GADGET_ID_STEP_DELAY_RND_DOWN,
 499   GADGET_ID_STEP_DELAY_RND_TEXT,
 500   GADGET_ID_STEP_DELAY_RND_UP,
 501   GADGET_ID_EXPLOSION_DELAY_DOWN,
 502   GADGET_ID_EXPLOSION_DELAY_TEXT,
 503   GADGET_ID_EXPLOSION_DELAY_UP,
 504   GADGET_ID_IGNITION_DELAY_DOWN,
 505   GADGET_ID_IGNITION_DELAY_TEXT,
 506   GADGET_ID_IGNITION_DELAY_UP,
 507   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 508   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 509   GADGET_ID_CHANGE_DELAY_FIX_UP,
 510   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 511   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 512   GADGET_ID_CHANGE_DELAY_RND_UP,
 513   GADGET_ID_CHANGE_CONT_RND_DOWN,
 514   GADGET_ID_CHANGE_CONT_RND_TEXT,
 515   GADGET_ID_CHANGE_CONT_RND_UP,
 516   GADGET_ID_GROUP_CONTENT_DOWN,
 517   GADGET_ID_GROUP_CONTENT_TEXT,
 518   GADGET_ID_GROUP_CONTENT_UP,
 519
 520   // drawing area identifiers
 521
 522   GADGET_ID_DRAWING_LEVEL,
 523   GADGET_ID_YAMYAM_CONTENT_0,
 524   GADGET_ID_YAMYAM_CONTENT_1,
 525   GADGET_ID_YAMYAM_CONTENT_2,
 526   GADGET_ID_YAMYAM_CONTENT_3,
 527   GADGET_ID_YAMYAM_CONTENT_4,
 528   GADGET_ID_YAMYAM_CONTENT_5,
 529   GADGET_ID_YAMYAM_CONTENT_6,
 530   GADGET_ID_YAMYAM_CONTENT_7,
 531   GADGET_ID_MAGIC_BALL_CONTENT_0,
 532   GADGET_ID_MAGIC_BALL_CONTENT_1,
 533   GADGET_ID_MAGIC_BALL_CONTENT_2,
 534   GADGET_ID_MAGIC_BALL_CONTENT_3,
 535   GADGET_ID_MAGIC_BALL_CONTENT_4,
 536   GADGET_ID_MAGIC_BALL_CONTENT_5,
 537   GADGET_ID_MAGIC_BALL_CONTENT_6,
 538   GADGET_ID_MAGIC_BALL_CONTENT_7,
 539   GADGET_ID_ANDROID_CONTENT,
 540   GADGET_ID_AMOEBA_CONTENT,
 541   GADGET_ID_START_ELEMENT,
 542   GADGET_ID_ARTWORK_ELEMENT,
 543   GADGET_ID_EXPLOSION_ELEMENT,
 544   GADGET_ID_INVENTORY_CONTENT,
 545   GADGET_ID_MM_BALL_CONTENT,
 546   GADGET_ID_CUSTOM_GRAPHIC,
 547   GADGET_ID_CUSTOM_CONTENT,
 548   GADGET_ID_CUSTOM_MOVE_ENTER,
 549   GADGET_ID_CUSTOM_MOVE_LEAVE,
 550   GADGET_ID_CUSTOM_CHANGE_TARGET,
 551   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 552   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 553   GADGET_ID_CUSTOM_CHANGE_ACTION,
 554   GADGET_ID_GROUP_CONTENT,
 555   GADGET_ID_RANDOM_BACKGROUND,
 556
 557   // text input identifiers
 558
 559   GADGET_ID_LEVEL_NAME,
 560   GADGET_ID_LEVEL_AUTHOR,
 561   GADGET_ID_LEVELSET_NAME,
 562   GADGET_ID_LEVELSET_AUTHOR,
 563   GADGET_ID_ELEMENT_NAME,
 564
 565   // text area identifiers
 566
 567   GADGET_ID_ENVELOPE_INFO,
 568
 569   // selectbox identifiers
 570
 571   GADGET_ID_TIME_OR_STEPS,
 572   GADGET_ID_TIME_SCORE_BASE,
 573   GADGET_ID_GAME_ENGINE_TYPE,
 574   GADGET_ID_LEVELSET_SAVE_MODE,
 575   GADGET_ID_WIND_DIRECTION,
 576   GADGET_ID_PLAYER_SPEED,
 577   GADGET_ID_MM_BALL_CHOICE_MODE,
 578   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 579   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 580   GADGET_ID_CUSTOM_DEADLINESS,
 581   GADGET_ID_CUSTOM_MOVE_PATTERN,
 582   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 583   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 584   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 585   GADGET_ID_CUSTOM_SMASH_TARGETS,
 586   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 587   GADGET_ID_CUSTOM_ACCESS_TYPE,
 588   GADGET_ID_CUSTOM_ACCESS_LAYER,
 589   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 590   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 591   GADGET_ID_CHANGE_TIME_UNITS,
 592   GADGET_ID_CHANGE_DIRECT_ACTION,
 593   GADGET_ID_CHANGE_OTHER_ACTION,
 594   GADGET_ID_CHANGE_SIDE,
 595   GADGET_ID_CHANGE_PLAYER,
 596   GADGET_ID_CHANGE_PAGE,
 597   GADGET_ID_CHANGE_REPLACE_WHEN,
 598   GADGET_ID_ACTION_TYPE,
 599   GADGET_ID_ACTION_MODE,
 600   GADGET_ID_ACTION_ARG,
 601   GADGET_ID_SELECT_CHANGE_PAGE,
 602   GADGET_ID_GROUP_CHOICE_MODE,
 603
 604   // textbutton identifiers
 605
 606   GADGET_ID_LEVELCONFIG_LEVEL,
 607   GADGET_ID_LEVELCONFIG_LEVELSET,
 608   GADGET_ID_LEVELCONFIG_EDITOR,
 609   GADGET_ID_LEVELCONFIG_ENGINE,
 610   GADGET_ID_PROPERTIES_INFO,
 611   GADGET_ID_PROPERTIES_CONFIG,
 612   GADGET_ID_PROPERTIES_CONFIG_1,
 613   GADGET_ID_PROPERTIES_CONFIG_2,
 614   GADGET_ID_PROPERTIES_CHANGE,
 615   GADGET_ID_SAVE_AS_TEMPLATE_1,
 616   GADGET_ID_SAVE_AS_TEMPLATE_2,
 617   GADGET_ID_SAVE_LEVELSET,
 618   GADGET_ID_ADD_CHANGE_PAGE,
 619   GADGET_ID_DEL_CHANGE_PAGE,
 620
 621   // graphicbutton identifiers
 622
 623   GADGET_ID_PREV_CHANGE_PAGE,
 624   GADGET_ID_NEXT_CHANGE_PAGE,
 625   GADGET_ID_COPY_CHANGE_PAGE,
 626   GADGET_ID_PASTE_CHANGE_PAGE,
 627
 628   // gadgets for scrolling of drawing area
 629
 630   GADGET_ID_SCROLL_UP,
 631   GADGET_ID_SCROLL_DOWN,
 632   GADGET_ID_SCROLL_LEFT,
 633   GADGET_ID_SCROLL_RIGHT,
 634   GADGET_ID_SCROLL_HORIZONTAL,
 635   GADGET_ID_SCROLL_VERTICAL,
 636
 637   // gadgets for scrolling element list
 638
 639   GADGET_ID_SCROLL_LIST_UP,
 640   GADGET_ID_SCROLL_LIST_DOWN,
 641   GADGET_ID_SCROLL_LIST_VERTICAL,
 642
 643   // checkbuttons/radiobuttons for level/element properties
 644
 645   GADGET_ID_AUTO_COUNT_GEMS,
 646   GADGET_ID_RATE_TIME_OVER_SCORE,
 647   GADGET_ID_USE_LEVELSET_ARTWORK,
 648   GADGET_ID_COPY_LEVEL_TEMPLATE,
 649   GADGET_ID_RANDOM_PERCENTAGE,
 650   GADGET_ID_RANDOM_QUANTITY,
 651   GADGET_ID_RANDOM_RESTRICTED,
 652   GADGET_ID_BD_INTERMISSION,
 653   GADGET_ID_BD_PAL_TIMING,
 654   GADGET_ID_STICK_ELEMENT,
 655   GADGET_ID_EM_SLIPPERY_GEMS,
 656   GADGET_ID_EM_EXPLODES_BY_FIRE,
 657   GADGET_ID_USE_SPRING_BUG,
 658   GADGET_ID_USE_TIME_ORB_BUG,
 659   GADGET_ID_USE_LIFE_BUGS,
 660   GADGET_ID_RANDOM_BALL_CONTENT,
 661   GADGET_ID_INITIAL_BALL_ACTIVE,
 662   GADGET_ID_GROW_INTO_DIGGABLE,
 663   GADGET_ID_SB_FIELDS_NEEDED,
 664   GADGET_ID_SB_OBJECTS_NEEDED,
 665   GADGET_ID_AUTO_EXIT_SOKOBAN,
 666   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 667   GADGET_ID_FINISH_DIG_COLLECT,
 668   GADGET_ID_KEEP_WALKABLE_CE,
 669   GADGET_ID_CONTINUOUS_SNAPPING,
 670   GADGET_ID_BLOCK_SNAP_FIELD,
 671   GADGET_ID_BLOCK_LAST_FIELD,
 672   GADGET_ID_SP_BLOCK_LAST_FIELD,
 673   GADGET_ID_INSTANT_RELOCATION,
 674   GADGET_ID_SHIFTED_RELOCATION,
 675   GADGET_ID_LAZY_RELOCATION,
 676   GADGET_ID_USE_START_ELEMENT,
 677   GADGET_ID_USE_ARTWORK_ELEMENT,
 678   GADGET_ID_USE_EXPLOSION_ELEMENT,
 679   GADGET_ID_INITIAL_GRAVITY,
 680   GADGET_ID_USE_INITIAL_INVENTORY,
 681   GADGET_ID_CAN_PASS_TO_WALKABLE,
 682   GADGET_ID_CAN_FALL_INTO_ACID,
 683   GADGET_ID_CAN_MOVE_INTO_ACID,
 684   GADGET_ID_DONT_COLLIDE_WITH,
 685   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 686   GADGET_ID_ENVELOPE_AUTOWRAP,
 687   GADGET_ID_ENVELOPE_CENTERED,
 688   GADGET_ID_MM_LASER_RED,
 689   GADGET_ID_MM_LASER_GREEN,
 690   GADGET_ID_MM_LASER_BLUE,
 691   GADGET_ID_DF_LASER_RED,
 692   GADGET_ID_DF_LASER_GREEN,
 693   GADGET_ID_DF_LASER_BLUE,
 694   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 695   GADGET_ID_EXPLODE_MM_BALL,
 696   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 697   GADGET_ID_CUSTOM_CAN_EXPLODE,
 698   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 699   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 700   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 701   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 702   GADGET_ID_CUSTOM_DEADLY,
 703   GADGET_ID_CUSTOM_CAN_MOVE,
 704   GADGET_ID_CUSTOM_CAN_FALL,
 705   GADGET_ID_CUSTOM_CAN_SMASH,
 706   GADGET_ID_CUSTOM_SLIPPERY,
 707   GADGET_ID_CUSTOM_ACCESSIBLE,
 708   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 709   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 710   GADGET_ID_CUSTOM_USE_GRAPHIC,
 711   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 712   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 713   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 714   GADGET_ID_CUSTOM_CAN_CHANGE,
 715   GADGET_ID_CHANGE_USE_CONTENT,
 716   GADGET_ID_CHANGE_USE_EXPLOSION,
 717   GADGET_ID_CHANGE_ONLY_COMPLETE,
 718   GADGET_ID_CHANGE_USE_RANDOM,
 719   GADGET_ID_CHANGE_HAS_ACTION,
 720   GADGET_ID_CHANGE_DELAY,
 721   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 722   GADGET_ID_CHANGE_BY_OTHER_ACT,
 723
 724   NUM_STATIC_GADGET_IDS
 725 };
 726
 727 // gadgets for buttons in element list (dynamic)
 728 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 729 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 730                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 731
 732 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 733
 734 // radio button numbers
 735 enum
 736 {
 737   RADIO_NR_NONE,
 738   RADIO_NR_DRAWING_TOOLBOX,
 739   RADIO_NR_RANDOM_ELEMENTS
 740 };
 741
 742 // values for counter gadgets
 743 enum
 744 {
 745   ED_COUNTER_ID_SELECT_LEVEL,
 746   ED_COUNTER_ID_LEVEL_XSIZE,
 747   ED_COUNTER_ID_LEVEL_YSIZE,
 748   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 749   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 750   ED_COUNTER_ID_LEVEL_TIMESCORE,
 751   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 752   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 753   ED_COUNTER_ID_LEVEL_RANDOM,
 754   ED_COUNTER_ID_ELEMENT_VALUE1,
 755   ED_COUNTER_ID_ELEMENT_VALUE2,
 756   ED_COUNTER_ID_ELEMENT_VALUE3,
 757   ED_COUNTER_ID_ELEMENT_VALUE4,
 758   ED_COUNTER_ID_YAMYAM_CONTENT,
 759   ED_COUNTER_ID_BALL_CONTENT,
 760   ED_COUNTER_ID_ANDROID_CONTENT,
 761   ED_COUNTER_ID_ENVELOPE_XSIZE,
 762   ED_COUNTER_ID_ENVELOPE_YSIZE,
 763   ED_COUNTER_ID_INVENTORY_SIZE,
 764   ED_COUNTER_ID_MM_BALL_CONTENT,
 765   ED_COUNTER_ID_CUSTOM_SCORE,
 766   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 767   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 768   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 769   ED_COUNTER_ID_PUSH_DELAY_FIX,
 770   ED_COUNTER_ID_PUSH_DELAY_RND,
 771   ED_COUNTER_ID_DROP_DELAY_FIX,
 772   ED_COUNTER_ID_DROP_DELAY_RND,
 773   ED_COUNTER_ID_MOVE_DELAY_FIX,
 774   ED_COUNTER_ID_MOVE_DELAY_RND,
 775   ED_COUNTER_ID_STEP_DELAY_FIX,
 776   ED_COUNTER_ID_STEP_DELAY_RND,
 777   ED_COUNTER_ID_EXPLOSION_DELAY,
 778   ED_COUNTER_ID_IGNITION_DELAY,
 779   ED_COUNTER_ID_GROUP_CONTENT,
 780   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 781   ED_COUNTER_ID_CHANGE_DELAY_RND,
 782   ED_COUNTER_ID_CHANGE_CONT_RND,
 783
 784   ED_NUM_COUNTERBUTTONS
 785 };
 786
 787 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 788 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 789 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 790 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 791 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 792 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 793
 794 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 795 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 796 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 797 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 798 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 799 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 800
 801 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 802 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 803
 804 // values for scrollbutton gadgets
 805 enum
 806 {
 807   ED_SCROLLBUTTON_ID_AREA_UP,
 808   ED_SCROLLBUTTON_ID_AREA_DOWN,
 809   ED_SCROLLBUTTON_ID_AREA_LEFT,
 810   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 811   ED_SCROLLBUTTON_ID_LIST_UP,
 812   ED_SCROLLBUTTON_ID_LIST_DOWN,
 813
 814   ED_NUM_SCROLLBUTTONS
 815 };
 816
 817 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 818 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 819
 820 // values for scrollbar gadgets
 821 enum
 822 {
 823   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 824   ED_SCROLLBAR_ID_AREA_VERTICAL,
 825   ED_SCROLLBAR_ID_LIST_VERTICAL,
 826
 827   ED_NUM_SCROLLBARS
 828 };
 829
 830 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 831 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 832
 833 // values for text input gadgets
 834 enum
 835 {
 836   ED_TEXTINPUT_ID_LEVEL_NAME,
 837   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 838   ED_TEXTINPUT_ID_LEVELSET_NAME,
 839   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 840   ED_TEXTINPUT_ID_ELEMENT_NAME,
 841
 842   ED_NUM_TEXTINPUT
 843 };
 844
 845 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 846 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 847
 848 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 849 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 850
 851 // values for text area gadgets
 852 enum
 853 {
 854   ED_TEXTAREA_ID_ENVELOPE_INFO,
 855
 856   ED_NUM_TEXTAREAS
 857 };
 858
 859 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 860 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 861
 862 // values for selectbox gadgets
 863 enum
 864 {
 865   ED_SELECTBOX_ID_TIME_OR_STEPS,
 866   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 867   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 868   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 869   ED_SELECTBOX_ID_WIND_DIRECTION,
 870   ED_SELECTBOX_ID_PLAYER_SPEED,
 871   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 872   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 873   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 874   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 875   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 876   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 877   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 878   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 879   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 880   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 881   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 882   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 883   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 884   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 885   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 886   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 887   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 888   ED_SELECTBOX_ID_CHANGE_SIDE,
 889   ED_SELECTBOX_ID_CHANGE_PLAYER,
 890   ED_SELECTBOX_ID_CHANGE_PAGE,
 891   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 892   ED_SELECTBOX_ID_ACTION_TYPE,
 893   ED_SELECTBOX_ID_ACTION_MODE,
 894   ED_SELECTBOX_ID_ACTION_ARG,
 895   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 896   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 897
 898   ED_NUM_SELECTBOX
 899 };
 900
 901 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 902 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 903
 904 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 905 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 906
 907 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 908 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 909 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 910 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 911 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 912 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 913
 914 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 915 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 916
 917 // values for textbutton gadgets
 918 enum
 919 {
 920   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
 921   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
 922   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
 923   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
 924   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 925   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 926   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 927   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 928   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 929   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 930   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 931   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 932   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 933   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 934
 935   ED_NUM_TEXTBUTTONS
 936 };
 937
 938 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
 939 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
 940
 941 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 942 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 943
 944 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 945 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 946
 947 // values for graphicbutton gadgets
 948 enum
 949 {
 950   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 951   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 952   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 953   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 954
 955   ED_NUM_GRAPHICBUTTONS
 956 };
 957
 958 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 959 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 960
 961 // values for checkbutton gadgets
 962 enum
 963 {
 964   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 965   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
 966   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 967   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 968   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 969   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 970   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 971   ED_CHECKBUTTON_ID_BD_INTERMISSION,
 972   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
 973   ED_CHECKBUTTON_ID_STICK_ELEMENT,
 974   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
 975   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
 976   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
 977   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
 978   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
 979   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
 980   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
 981   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
 982   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
 983   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
 984   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
 985   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
 986   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
 987   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
 988   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
 989   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
 990   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
 991   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
 992   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
 993   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
 994   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
 995   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
 996   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
 997   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
 998   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
 999   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1000   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1001   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1002   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1003   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1004   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1005   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1006   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1007   ED_CHECKBUTTON_ID_MM_LASER_RED,
1008   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1009   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1010   ED_CHECKBUTTON_ID_DF_LASER_RED,
1011   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1012   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1013   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1014   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1015   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1016   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1017   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1018   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1019   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1020   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1021   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1022   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1023   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1024   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1025   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1026   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1027   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1028   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1029   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1030   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1031   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1032   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1033   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1034   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1035   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1036   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1037   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1038   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1039   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1040
1041   ED_NUM_CHECKBUTTONS
1042 };
1043
1044 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1045 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1046
1047 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1048 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1049
1050 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1051 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1052
1053 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1054 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_PAL_TIMING
1055
1056 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1057 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1058 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1059 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1060 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1061 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1062
1063 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1064 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1065
1066 // values for radiobutton gadgets
1067 enum
1068 {
1069   ED_RADIOBUTTON_ID_PERCENTAGE,
1070   ED_RADIOBUTTON_ID_QUANTITY,
1071
1072   ED_NUM_RADIOBUTTONS
1073 };
1074
1075 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1076 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1077
1078 // values for drawing area gadgets
1079 enum
1080 {
1081   ED_DRAWING_ID_DRAWING_LEVEL,
1082   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1083   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1084   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1085   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1086   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1087   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1088   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1089   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1090   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1091   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1092   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1093   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1094   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1095   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1096   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1097   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1098   ED_DRAWING_ID_ANDROID_CONTENT,
1099   ED_DRAWING_ID_AMOEBA_CONTENT,
1100   ED_DRAWING_ID_START_ELEMENT,
1101   ED_DRAWING_ID_ARTWORK_ELEMENT,
1102   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1103   ED_DRAWING_ID_INVENTORY_CONTENT,
1104   ED_DRAWING_ID_MM_BALL_CONTENT,
1105   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1106   ED_DRAWING_ID_CUSTOM_CONTENT,
1107   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1108   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1109   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1110   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1111   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1112   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1113   ED_DRAWING_ID_GROUP_CONTENT,
1114   ED_DRAWING_ID_RANDOM_BACKGROUND,
1115
1116   ED_NUM_DRAWING_AREAS
1117 };
1118
1119 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1120 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1121
1122
1123 // ----------------------------------------------------------------------------
1124 // some internally used definitions
1125 // ----------------------------------------------------------------------------
1126
1127 // values for CopyLevelToUndoBuffer()
1128 #define UNDO_IMMEDIATE                  0
1129 #define UNDO_ACCUMULATE                 1
1130
1131 // values for scrollbars
1132 #define ED_SCROLL_NO                    0
1133 #define ED_SCROLL_LEFT                  1
1134 #define ED_SCROLL_RIGHT                 2
1135 #define ED_SCROLL_UP                    4
1136 #define ED_SCROLL_DOWN                  8
1137
1138 // screens in the level editor
1139 #define ED_MODE_DRAWING                 0
1140 #define ED_MODE_LEVELCONFIG             1
1141 #define ED_MODE_PROPERTIES              2
1142 #define ED_MODE_PALETTE                 3
1143
1144 // sub-screens in the global settings section
1145 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1146 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1147 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1148 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1149
1150 // sub-screens in the element properties section
1151 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1152 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1153 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1154 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1155 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1156
1157 // how many steps can be cancelled
1158 #define NUM_UNDO_STEPS                  (64 + 1)
1159
1160 // values for elements with score for certain actions
1161 #define MIN_SCORE                       0
1162 #define MAX_SCORE                       999
1163
1164 // values for elements with count for collecting
1165 #define MIN_COLLECT_COUNT               0
1166 #define MAX_COLLECT_COUNT               999
1167
1168 // values for random placement
1169 #define RANDOM_USE_PERCENTAGE           0
1170 #define RANDOM_USE_QUANTITY             1
1171
1172 // values for level set save mode
1173 #define LEVELSET_SAVE_MODE_UPDATE       0
1174 #define LEVELSET_SAVE_MODE_CREATE       1
1175
1176 // default value for element tile size in drawing area
1177 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1178 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1179
1180
1181 // ----------------------------------------------------------------------------
1182 // some internally used data structure definitions
1183 // ----------------------------------------------------------------------------
1184
1185 static struct
1186 {
1187   int graphic;
1188   int gadget_id;
1189   struct XYTileSize *pos;
1190   int gadget_type;
1191   char *infotext;
1192   char shortcut;
1193 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1194 {
1195   // note: some additional characters are already reserved for "cheat mode"
1196   // shortcuts (":XYZ" style) -- for details, see "events.c"
1197
1198   // ---------- toolbox control buttons ---------------------------------------
1199
1200   {
1201     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1202     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1203     "draw single items",                        's'
1204   },
1205   {
1206     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1207     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1208     "draw connected items",                     'd'
1209   },
1210   {
1211     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1212     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1213     "draw lines",                               'l'
1214   },
1215   {
1216     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1217     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1218     "draw arcs",                                'a'
1219   },
1220   {
1221     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1222     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1223     "draw outline rectangles",                  'r'
1224   },
1225   {
1226     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1227     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1228     "draw filled rectangles",                   'R'
1229   },
1230   {
1231     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1232     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1233     "wrap (rotate) level up",                   0
1234   },
1235   {
1236     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1237     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1238     "enter text elements",                      't'
1239   },
1240   {
1241     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1242     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1243     "flood fill",                               'f'
1244   },
1245   {
1246     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1247     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1248     "wrap (rotate) level left",                 0
1249   },
1250   {
1251     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1252     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1253     "zoom level tile size",                     '+'
1254   },
1255   {
1256     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1257     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1258     "wrap (rotate) level right",                0
1259   },
1260   {
1261     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1262     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1263     "random element placement",                 0
1264   },
1265   {
1266     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1267     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1268     "grab brush",                               'b'
1269   },
1270   {
1271     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1272     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1273     "wrap (rotate) level down",                 0
1274   },
1275   {
1276     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1277     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1278     "pick drawing element",                     ','
1279   },
1280
1281   // ---------- level control buttons -----------------------------------------
1282
1283   {
1284     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1285     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1286     "undo/redo last operation",                 'u'
1287   },
1288   {
1289     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1290     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1291     "level and editor settings",                'I'
1292   },
1293   {
1294     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1295     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1296     "save level",                               'S'
1297   },
1298   {
1299     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1300     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1301     "clear level",                              'C'
1302   },
1303   {
1304     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1305     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1306     "test level",                               'T'
1307   },
1308   {
1309     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1310     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1311     "exit level editor",                        'E'
1312   },
1313
1314   // ---------- CE and GE control buttons -------------------------------------
1315
1316   {
1317     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1318     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1319     "copy settings from other element",         0
1320   },
1321   {
1322     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1323     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1324     "copy settings to other element",           0
1325   },
1326   {
1327     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1328     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1329     "exchange element with other element",      0
1330   },
1331   {
1332     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1333     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1334     "copy settings from this element",          0
1335   },
1336   {
1337     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1338     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1339     "paste settings to this element",           0
1340   },
1341
1342   // ---------- palette control buttons ---------------------------------------
1343
1344   {
1345     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1346     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1347     "properties of drawing element",            'p'
1348   },
1349   {
1350     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1351     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1352     "properties of drawing element 1",          '1'
1353   },
1354   {
1355     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1356     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1357     "properties of drawing element 2",          '2'
1358   },
1359   {
1360     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1361     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1362     "properties of drawing element 3",          '3'
1363   },
1364   {
1365     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1366     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1367     "show list of elements",                    'e'
1368   }
1369 };
1370
1371 static int random_placement_value = 10;
1372 static int random_placement_method = RANDOM_USE_QUANTITY;
1373 static int random_placement_background_element = EL_SAND;
1374 static boolean random_placement_background_restricted = FALSE;
1375 static boolean stick_element_properties_window = FALSE;
1376 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1377 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1378 static struct ElementChangeInfo custom_element_change;
1379 static struct ElementGroupInfo group_element_info;
1380 static struct ElementInfo custom_element;
1381
1382 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1383 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1384 static int levelset_num_levels = 100;
1385 static boolean levelset_use_levelset_artwork = FALSE;
1386 static boolean levelset_copy_level_template = FALSE;
1387 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1388
1389 static struct
1390 {
1391   int gadget_type_id;
1392   int x, y;
1393   int min_value, max_value;
1394   int gadget_id_down, gadget_id_up;
1395   int gadget_id_text;
1396   int gadget_id_align;
1397   int *value;
1398   char *text_above, *text_left, *text_right;
1399 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1400 {
1401   // ---------- current level number ------------------------------------------
1402
1403   {
1404     ED_COUNTER_ID_SELECT_LEVEL,
1405     -1, -1,     // these values are not constant, but can change at runtime
1406     1,                                  100,
1407     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1408     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1409     &level_nr,
1410     NULL,                               NULL, NULL
1411   },
1412
1413   // ---------- level and editor settings -------------------------------------
1414
1415   {
1416     ED_COUNTER_ID_LEVEL_XSIZE,
1417     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1418     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1419     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1420     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1421     &level.fieldx,
1422     "playfield size:",                  NULL, "width",
1423   },
1424   {
1425     ED_COUNTER_ID_LEVEL_YSIZE,
1426     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1427     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1428     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1429     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1430     &level.fieldy,
1431     NULL,                               " ", "height",
1432   },
1433   {
1434     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1435     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1436     0,                                  999,
1437     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1438     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1439     &level.gems_needed,
1440     NULL,                               "number of gems to collect:", NULL
1441   },
1442   {
1443     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1444     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1445     0,                                  9999,
1446     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1447     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1448     &level.time,
1449     "time or step limit to solve level:", NULL, NULL
1450   },
1451   {
1452     ED_COUNTER_ID_LEVEL_TIMESCORE,
1453     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1454     0,                                  999,
1455     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1456     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1457     &level.score[SC_TIME_BONUS],
1458     "score for time or steps left:",    NULL, NULL
1459   },
1460   {
1461     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1462     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1463     0,                                  9999,
1464     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1465     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1466     &level.random_seed,
1467     NULL,                               "random seed:", "(0 => random)"
1468   },
1469   {
1470     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1471     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1472     1,                                  MAX_LEVELS,
1473     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1474     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1475     &levelset_num_levels,
1476     "number of levels:",                NULL, NULL,
1477   },
1478   {
1479     ED_COUNTER_ID_LEVEL_RANDOM,
1480     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1481     1,                                  100,
1482     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1483     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1484     &random_placement_value,
1485     "random element placement:",        NULL, "in"
1486   },
1487
1488   // ---------- element settings: configure (various elements) ----------------
1489
1490   {
1491     ED_COUNTER_ID_ELEMENT_VALUE1,
1492     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1493     MIN_SCORE,                          MAX_SCORE,
1494     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1495     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1496     NULL,                               // will be set when used
1497     NULL,                               NULL, NULL
1498   },
1499   {
1500     ED_COUNTER_ID_ELEMENT_VALUE2,
1501     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1502     MIN_SCORE,                          MAX_SCORE,
1503     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1504     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1505     NULL,                               // will be set when used
1506     NULL,                               NULL, NULL
1507   },
1508   {
1509     ED_COUNTER_ID_ELEMENT_VALUE3,
1510     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1511     MIN_SCORE,                          MAX_SCORE,
1512     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1513     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1514     NULL,                               // will be set when used
1515     NULL,                               NULL, NULL
1516   },
1517   {
1518     ED_COUNTER_ID_ELEMENT_VALUE4,
1519     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1520     MIN_SCORE,                          MAX_SCORE,
1521     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1522     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1523     NULL,                               // will be set when used
1524     NULL,                               NULL, NULL
1525   },
1526   {
1527     ED_COUNTER_ID_YAMYAM_CONTENT,
1528     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1529     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1530     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1531     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1532     &level.num_yamyam_contents,
1533     NULL,                               NULL, "number of content areas"
1534   },
1535   {
1536     ED_COUNTER_ID_BALL_CONTENT,
1537     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1538     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1539     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1540     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1541     &level.num_ball_contents,
1542     NULL,                               NULL, "number of content areas"
1543   },
1544   {
1545     ED_COUNTER_ID_ANDROID_CONTENT,
1546     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1547     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1548     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1549     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1550     &level.num_android_clone_elements,
1551     NULL,                               NULL, "number of clonable elements"
1552   },
1553   {
1554     ED_COUNTER_ID_ENVELOPE_XSIZE,
1555     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1556     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1557     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1558     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1559     NULL,                               // will be set when used
1560     NULL,                               NULL, "width",
1561   },
1562   {
1563     ED_COUNTER_ID_ENVELOPE_YSIZE,
1564     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1565     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1566     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1567     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1568     NULL,                               // will be set when used
1569     NULL,                               " ", "height",
1570   },
1571   {
1572     ED_COUNTER_ID_INVENTORY_SIZE,
1573     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1574     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1575     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1576     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1577     &level.initial_inventory_size[0],
1578     NULL,                               NULL, "number of inventory elements"
1579   },
1580   {
1581     ED_COUNTER_ID_MM_BALL_CONTENT,
1582     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1583     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1584     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1585     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1586     &level.num_mm_ball_contents,
1587     NULL,                               NULL, "number of content elements"
1588   },
1589
1590   // ---------- element settings: configure 1 (custom elements) ---------------
1591
1592   {
1593     ED_COUNTER_ID_CUSTOM_SCORE,
1594     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1595     MIN_SCORE,                          MAX_SCORE,
1596     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1597     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1598     &custom_element.collect_score_initial,
1599     NULL,                               "CE score", " "
1600   },
1601   {
1602     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1603     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1604     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1605     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1606     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1607     &custom_element.collect_count_initial,
1608     NULL,                               "CE count", NULL
1609   },
1610   {
1611     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1612     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1613     0,                                  9999,
1614     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1615     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1616     &custom_element.ce_value_fixed_initial,
1617     NULL,                               "CE value", NULL
1618   },
1619   {
1620     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1621     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1622     0,                                  9999,
1623     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1624     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1625     &custom_element.ce_value_random_initial,
1626     NULL,                               "+random", NULL
1627   },
1628   {
1629     ED_COUNTER_ID_PUSH_DELAY_FIX,
1630     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1631     0,                                  999,
1632     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1633     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1634     &custom_element.push_delay_fixed,
1635     NULL,                               "push delay", NULL
1636   },
1637   {
1638     ED_COUNTER_ID_PUSH_DELAY_RND,
1639     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1640     0,                                  999,
1641     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1642     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1643     &custom_element.push_delay_random,
1644     NULL,                               "+random", NULL
1645   },
1646   {
1647     ED_COUNTER_ID_DROP_DELAY_FIX,
1648     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1649     0,                                  999,
1650     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1651     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1652     &custom_element.drop_delay_fixed,
1653     NULL,                               "drop delay", NULL
1654   },
1655   {
1656     ED_COUNTER_ID_DROP_DELAY_RND,
1657     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1658     0,                                  999,
1659     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1660     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1661     &custom_element.drop_delay_random,
1662     NULL,                               "+random", NULL
1663   },
1664
1665   // ---------- element settings: configure 2 (custom elements) ---------------
1666
1667   {
1668     ED_COUNTER_ID_MOVE_DELAY_FIX,
1669     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1670     0,                                  999,
1671     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1672     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1673     &custom_element.move_delay_fixed,
1674     NULL,                               "move delay", NULL
1675   },
1676   {
1677     ED_COUNTER_ID_MOVE_DELAY_RND,
1678     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1679     0,                                  999,
1680     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1681     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1682     &custom_element.move_delay_random,
1683     NULL,                               "+random", NULL
1684   },
1685   {
1686     ED_COUNTER_ID_STEP_DELAY_FIX,
1687     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1688     0,                                  999,
1689     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1690     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1691     &custom_element.step_delay_fixed,
1692     NULL,                               "step delay", NULL
1693   },
1694   {
1695     ED_COUNTER_ID_STEP_DELAY_RND,
1696     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1697     0,                                  999,
1698     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1699     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1700     &custom_element.step_delay_random,
1701     NULL,                               "+random", NULL
1702   },
1703   {
1704     ED_COUNTER_ID_EXPLOSION_DELAY,
1705     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1706     0,                                  999,
1707     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1708     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1709     &custom_element.explosion_delay,
1710     NULL,                               "explosion delay", NULL
1711   },
1712   {
1713     ED_COUNTER_ID_IGNITION_DELAY,
1714     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1715     0,                                  999,
1716     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1717     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1718     &custom_element.ignition_delay,
1719     NULL,                               "ignition delay", "(by fire)"
1720   },
1721
1722   // ---------- element settings: configure (group elements) ------------------
1723
1724   {
1725     ED_COUNTER_ID_GROUP_CONTENT,
1726     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1727     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1728     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1729     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1730     &group_element_info.num_elements,
1731     NULL,                               NULL, "number of elements in group"
1732   },
1733
1734   // ---------- element settings: advanced (custom elements) ------------------
1735
1736   {
1737     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1738     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1739     0,                                  999,
1740     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1741     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1742     &custom_element_change.delay_fixed,
1743     NULL,                               "CE delay", NULL,
1744   },
1745   {
1746     ED_COUNTER_ID_CHANGE_DELAY_RND,
1747     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1748     0,                                  999,
1749     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1750     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1751     &custom_element_change.delay_random,
1752     NULL,                               "+random", NULL
1753   },
1754   {
1755     ED_COUNTER_ID_CHANGE_CONT_RND,
1756     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1757     0,                                  100,
1758     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1759     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1760     &custom_element_change.random_percentage,
1761     NULL,                               "use random replace:", "%"
1762   },
1763 };
1764
1765 static struct
1766 {
1767   int gadget_type_id;
1768   int x, y;
1769   int gadget_id;
1770   int size;
1771   char *value;
1772   char *text_above, *infotext;
1773 } textinput_info[ED_NUM_TEXTINPUT] =
1774 {
1775   {
1776     ED_TEXTINPUT_ID_LEVEL_NAME,
1777     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1778     GADGET_ID_LEVEL_NAME,
1779     MAX_LEVEL_NAME_LEN,
1780     level.name,
1781     "Title:", "Title for this level"
1782   },
1783   {
1784     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1785     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1786     GADGET_ID_LEVEL_AUTHOR,
1787     MAX_LEVEL_AUTHOR_LEN,
1788     level.author,
1789     "Author:", "Author for this level"
1790   },
1791   {
1792     ED_TEXTINPUT_ID_LEVELSET_NAME,
1793     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1794     GADGET_ID_LEVELSET_NAME,
1795     MAX_LEVEL_NAME_LEN,
1796     levelset_name,
1797     "Title:", "Title for this or new level set"
1798   },
1799   {
1800     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1801     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1802     GADGET_ID_LEVELSET_AUTHOR,
1803     MAX_LEVEL_AUTHOR_LEN,
1804     levelset_author,
1805     "Author:", "Author for this or new level set"
1806   },
1807   {
1808     ED_TEXTINPUT_ID_ELEMENT_NAME,
1809     -1, -1,     // these values are not constant, but can change at runtime
1810     GADGET_ID_ELEMENT_NAME,
1811     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1812     custom_element.description,
1813     NULL, "Element name"
1814   }
1815 };
1816
1817 static struct
1818 {
1819   int gadget_type_id;
1820   int x, y;
1821   int gadget_id;
1822   int xsize, ysize;
1823   char *value;
1824   char *text_above, *text_above_cropped, *infotext;
1825 } textarea_info[ED_NUM_TEXTAREAS] =
1826 {
1827   {
1828     ED_TEXTAREA_ID_ENVELOPE_INFO,
1829     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1830     GADGET_ID_ENVELOPE_INFO,
1831     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1832     NULL,
1833     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
1834   }
1835 };
1836
1837 static struct ValueTextInfo options_time_or_steps[] =
1838 {
1839   { 0,                          "seconds"                       },
1840   { 1,                          "steps"                         },
1841
1842   { -1,                         NULL                            }
1843 };
1844
1845 static struct ValueTextInfo options_time_score_base[] =
1846 {
1847   { 1,                          "per second/step"               },
1848   { 10,                         "per 10 seconds/steps"          },
1849
1850   { -1,                         NULL                            }
1851 };
1852
1853 static struct ValueTextInfo options_game_engine_type[] =
1854 {
1855   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1856   { GAME_ENGINE_TYPE_BD,        "Boulder Dash"                  },
1857   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1858   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1859   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1860
1861   { -1,                         NULL                            }
1862 };
1863
1864 static struct ValueTextInfo options_levelset_save_mode[] =
1865 {
1866   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1867   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1868
1869   { -1,                         NULL                            }
1870 };
1871
1872 static struct ValueTextInfo options_wind_direction[] =
1873 {
1874   { MV_START_NONE,              "none"                          },
1875   { MV_START_LEFT,              "left"                          },
1876   { MV_START_RIGHT,             "right"                         },
1877   { MV_START_UP,                "up"                            },
1878   { MV_START_DOWN,              "down"                          },
1879
1880   { -1,                         NULL                            }
1881 };
1882
1883 static struct ValueTextInfo options_player_speed[] =
1884 {
1885   { 0,                          "frozen"                        },
1886   { 1,                          "very slow"                     },
1887   { 2,                          "slow"                          },
1888   { 4,                          "normal"                        },
1889   { 8,                          "fast"                          },
1890   { 16,                         "very fast"                     },
1891   { 32,                         "ultrafast"                     },
1892
1893   { -1,                         NULL                            }
1894 };
1895
1896 static struct ValueTextInfo options_access_type[] =
1897 {
1898   { EP_WALKABLE,                "walkable"                      },
1899   { EP_PASSABLE,                "passable"                      },
1900
1901   { -1,                         NULL                            }
1902 };
1903
1904 static struct ValueTextInfo options_access_layer[] =
1905 {
1906   { EP_ACCESSIBLE_OVER,         "over"                          },
1907   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1908   { EP_ACCESSIBLE_UNDER,        "under"                         },
1909
1910   { -1,                         NULL                            }
1911 };
1912
1913 static struct ValueTextInfo options_access_protected[] =
1914 {
1915   { 0,                          "unprotected"                   },
1916   { 1,                          "protected"                     },
1917
1918   { -1,                         NULL                            }
1919 };
1920
1921 static struct ValueTextInfo options_access_direction[] =
1922 {
1923   { MV_NO_DIRECTION,            "no direction"                  },
1924   { MV_LEFT,                    "left"                          },
1925   { MV_RIGHT,                   "right"                         },
1926   { MV_UP,                      "up"                            },
1927   { MV_DOWN,                    "down"                          },
1928   { MV_LEFT  | MV_UP,           "left + up"                     },
1929   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1930   { MV_RIGHT | MV_UP,           "right + up"                    },
1931   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1932   { MV_HORIZONTAL,              "horizontal"                    },
1933   { MV_VERTICAL,                "vertical"                      },
1934   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1935   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1936   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1937   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1938   { MV_ALL_DIRECTIONS,          "all directions"                },
1939
1940   { -1,                         NULL                            }
1941 };
1942
1943 static struct ValueTextInfo options_walk_to_action[] =
1944 {
1945   { EP_DIGGABLE,                "diggable"                      },
1946   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1947   { EP_DROPPABLE,               "collectible & droppable"       },
1948   { EP_THROWABLE,               "collectible & throwable"       },
1949   { EP_PUSHABLE,                "pushable"                      },
1950
1951   { -1,                         NULL                            }
1952 };
1953
1954 static struct ValueTextInfo options_move_pattern[] =
1955 {
1956   { MV_LEFT,                    "left"                          },
1957   { MV_RIGHT,                   "right"                         },
1958   { MV_UP,                      "up"                            },
1959   { MV_DOWN,                    "down"                          },
1960   { MV_HORIZONTAL,              "horizontal"                    },
1961   { MV_VERTICAL,                "vertical"                      },
1962   { MV_ALL_DIRECTIONS,          "all directions"                },
1963   { MV_WIND_DIRECTION,          "wind direction"                },
1964   { MV_TOWARDS_PLAYER,          "towards player"                },
1965   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1966   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1967   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1968   { MV_TURNING_LEFT,            "turning left"                  },
1969   { MV_TURNING_RIGHT,           "turning right"                 },
1970   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1971   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1972   { MV_TURNING_RANDOM,          "turning random"                },
1973   { MV_MAZE_RUNNER,             "maze runner style"             },
1974   { MV_MAZE_HUNTER,             "maze hunter style"             },
1975   { MV_WHEN_PUSHED,             "when pushed"                   },
1976   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1977
1978   { -1,                         NULL                            }
1979 };
1980
1981 static struct ValueTextInfo options_move_direction[] =
1982 {
1983   { MV_START_AUTOMATIC,         "automatic"                     },
1984   { MV_START_LEFT,              "left"                          },
1985   { MV_START_RIGHT,             "right"                         },
1986   { MV_START_UP,                "up"                            },
1987   { MV_START_DOWN,              "down"                          },
1988   { MV_START_RANDOM,            "random"                        },
1989   { MV_START_PREVIOUS,          "previous"                      },
1990
1991   { -1,                         NULL                            }
1992 };
1993
1994 static struct ValueTextInfo options_move_stepsize[] =
1995 {
1996   { 0,                          "not moving"                    },
1997   { 1,                          "very slow"                     },
1998   { 2,                          "slow"                          },
1999   { 4,                          "normal"                        },
2000   { 8,                          "fast"                          },
2001   { 16,                         "very fast"                     },
2002   { 32,                         "even faster"                   },
2003
2004   { -1,                         NULL                            }
2005 };
2006
2007 static struct ValueTextInfo options_move_leave_type[] =
2008 {
2009   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
2010   { LEAVE_TYPE_LIMITED,         "change it to"                  },
2011
2012   { -1,                         NULL                            }
2013 };
2014
2015 static struct ValueTextInfo options_smash_targets[] =
2016 {
2017   { EP_CAN_SMASH_PLAYER,        "player"                        },
2018 #if 0
2019   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
2020 #endif
2021   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
2022
2023   { -1,                         NULL                            }
2024 };
2025
2026 static struct ValueTextInfo options_slippery_type[] =
2027 {
2028   { SLIPPERY_ANY_RANDOM,        "random"                        },
2029   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
2030   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
2031   { SLIPPERY_ONLY_LEFT,         "only left"                     },
2032   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
2033
2034   { -1,                         NULL                            }
2035 };
2036
2037 static struct ValueTextInfo options_deadliness[] =
2038 {
2039   { EP_DONT_RUN_INTO,           "running into"                  },
2040   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
2041   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
2042   { EP_DONT_TOUCH,              "touching"                      },
2043
2044   { -1,                         NULL                            }
2045 };
2046
2047 static struct ValueTextInfo options_explosion_type[] =
2048 {
2049   { EXPLODES_3X3,               "3x3"                           },
2050   { EXPLODES_CROSS,             "3+3"                           },
2051   { EXPLODES_1X1,               "1x1"                           },
2052
2053   { -1,                         NULL                            }
2054 };
2055
2056 static struct ValueTextInfo options_time_units[] =
2057 {
2058   { 1,                          "frames"                        },
2059   { FRAMES_PER_SECOND,          "seconds"                       },
2060
2061   { -1,                         NULL                            }
2062 };
2063
2064 static struct ValueTextInfo options_change_direct_action[] =
2065 {
2066   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2067   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2068   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2069   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2070   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2071   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2072   { CE_LEFT_BY_PLAYER,          "left by player"                },
2073   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2074   { CE_SWITCHED,                "switched"                      },
2075   { CE_HITTING_SOMETHING,       "hitting something"             },
2076   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2077 #if 0
2078   { CE_BLOCKED,                 "blocked"                       },
2079 #endif
2080   { CE_IMPACT,                  "impact (on something)"         },
2081   { CE_SMASHED,                 "smashed (from above)"          },
2082 #if 0
2083   { CE_VALUE_CHANGES,           "CE value changes"              },
2084   { CE_SCORE_CHANGES,           "CE score changes"              },
2085 #endif
2086   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2087   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2088   { CE_UNDEFINED,               " "                             },
2089   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2090   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2091   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2092   { CE_UNDEFINED,               " "                             },
2093   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2094   { CE_NEXT_TO_PLAYER,          "next to player"                },
2095
2096   { -1,                         NULL                            }
2097 };
2098
2099 static struct ValueTextInfo options_change_other_action[] =
2100 {
2101   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2102   { CE_PLAYER_PRESSES_X,        "player presses"                },
2103   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2104   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2105   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2106   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2107   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2108   { CE_PLAYER_DIGS_X,           "player digs"                   },
2109   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2110   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2111   { CE_TOUCHING_X,              "touching"                      },
2112   { CE_HITTING_X,               "hitting"                       },
2113   { CE_DIGGING_X,               "digging"                       },
2114   { CE_HIT_BY_X,                "hit by"                        },
2115   { CE_SWITCH_OF_X,             "switch of"                     },
2116   { CE_CHANGE_OF_X,             "change by page of"             },
2117   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2118   { CE_MOVE_OF_X,               "move of"                       },
2119   { CE_CREATION_OF_X,           "creation of"                   },
2120   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2121   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2122   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2123   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2124   { CE_UNDEFINED,               " "                             },
2125   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2126   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2127   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2128   { CE_UNDEFINED,               " "                             },
2129   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2130   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2131   { CE_NEXT_TO_X,               "next to"                       },
2132
2133   { -1,                         NULL                            }
2134 };
2135
2136 static struct ValueTextInfo options_change_trigger_side[] =
2137 {
2138   { CH_SIDE_LEFT,               "left"                          },
2139   { CH_SIDE_RIGHT,              "right"                         },
2140   { CH_SIDE_TOP,                "top"                           },
2141   { CH_SIDE_BOTTOM,             "bottom"                        },
2142   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2143   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2144   { CH_SIDE_ANY,                "any"                           },
2145
2146   { -1,                         NULL                            }
2147 };
2148
2149 static struct ValueTextInfo options_change_trigger_player[] =
2150 {
2151   { CH_PLAYER_1,                "1"                             },
2152   { CH_PLAYER_2,                "2"                             },
2153   { CH_PLAYER_3,                "3"                             },
2154   { CH_PLAYER_4,                "4"                             },
2155   { CH_PLAYER_ANY,              "any"                           },
2156
2157   { -1,                         NULL                            }
2158 };
2159
2160 static struct ValueTextInfo options_change_trigger_page[] =
2161 {
2162   { (1u << 0),                  "1"                             },
2163   { (1u << 1),                  "2"                             },
2164   { (1u << 2),                  "3"                             },
2165   { (1u << 3),                  "4"                             },
2166   { (1u << 4),                  "5"                             },
2167   { (1u << 5),                  "6"                             },
2168   { (1u << 6),                  "7"                             },
2169   { (1u << 7),                  "8"                             },
2170   { (1u << 8),                  "9"                             },
2171   { (1u << 9),                  "10"                            },
2172   { (1u << 10),                 "11"                            },
2173   { (1u << 11),                 "12"                            },
2174   { (1u << 12),                 "13"                            },
2175   { (1u << 13),                 "14"                            },
2176   { (1u << 14),                 "15"                            },
2177   { (1u << 15),                 "16"                            },
2178   { (1u << 16),                 "17"                            },
2179   { (1u << 17),                 "18"                            },
2180   { (1u << 18),                 "19"                            },
2181   { (1u << 19),                 "20"                            },
2182   { (1u << 20),                 "21"                            },
2183   { (1u << 21),                 "22"                            },
2184   { (1u << 22),                 "23"                            },
2185   { (1u << 23),                 "24"                            },
2186   { (1u << 24),                 "25"                            },
2187   { (1u << 25),                 "26"                            },
2188   { (1u << 26),                 "27"                            },
2189   { (1u << 27),                 "28"                            },
2190   { (1u << 28),                 "29"                            },
2191   { (1u << 29),                 "30"                            },
2192   { (1u << 30),                 "31"                            },
2193   { (1u << 31),                 "32"                            },
2194   { CH_PAGE_ANY,                "any"                           },
2195
2196   { -1,                         NULL                            }
2197 };
2198
2199 static struct ValueTextInfo options_change_replace_when[] =
2200 {
2201   { CP_WHEN_EMPTY,              "empty"                         },
2202   { CP_WHEN_WALKABLE,           "walkable"                      },
2203   { CP_WHEN_DIGGABLE,           "diggable"                      },
2204   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2205   { CP_WHEN_REMOVABLE,          "removable"                     },
2206   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2207
2208   { -1,                         NULL                            }
2209 };
2210
2211 static struct ValueTextInfo options_action_type[] =
2212 {
2213   { CA_NO_ACTION,               "no action"                     },
2214   { CA_UNDEFINED,               " "                             },
2215   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2216   { CA_RESTART_LEVEL,           "restart level"                 },
2217   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2218   { CA_SET_LEVEL_TIME,          "set time"                      },
2219   { CA_SET_LEVEL_SCORE,         "set score"                     },
2220   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2221   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2222   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2223   { CA_UNDEFINED,               " "                             },
2224   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2225   { CA_MOVE_PLAYER,             "move player"                   },
2226   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2227   { CA_EXIT_PLAYER,             "exit player"                   },
2228   { CA_KILL_PLAYER,             "kill player"                   },
2229   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2230   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2231   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2232   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2233   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2234   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2235   { CA_UNDEFINED,               " "                             },
2236   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2237   { CA_SET_CE_VALUE,            "set CE value"                  },
2238   { CA_SET_CE_SCORE,            "set CE score"                  },
2239   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2240   { CA_UNDEFINED,               " "                             },
2241   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2242   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2243
2244   { -1,                         NULL                            }
2245 };
2246
2247 static struct ValueTextInfo options_action_mode_none[] =
2248 {
2249   { CA_MODE_UNDEFINED,          " "                             },
2250
2251   { -1,                         NULL                            }
2252 };
2253
2254 static struct ValueTextInfo options_action_mode_assign[] =
2255 {
2256   { CA_MODE_SET,                "="                             },
2257
2258   { -1,                         NULL                            }
2259 };
2260
2261 static struct ValueTextInfo options_action_mode_add_remove[] =
2262 {
2263   { CA_MODE_ADD,                "+"                             },
2264   { CA_MODE_SUBTRACT,           "-"                             },
2265
2266   { -1,                         NULL                            }
2267 };
2268
2269 static struct ValueTextInfo options_action_mode_calculate[] =
2270 {
2271   { CA_MODE_SET,                "="                             },
2272   { CA_MODE_ADD,                "+"                             },
2273   { CA_MODE_SUBTRACT,           "-"                             },
2274   { CA_MODE_MULTIPLY,           "*"                             },
2275   { CA_MODE_DIVIDE,             "/"                             },
2276   { CA_MODE_MODULO,             "%"                             },
2277
2278   { -1,                         NULL                            }
2279 };
2280
2281 static struct ValueTextInfo options_action_arg_none[] =
2282 {
2283   { CA_ARG_UNDEFINED,           "         "                     },
2284
2285   { -1,                         NULL                            }
2286 };
2287
2288 static struct ValueTextInfo options_action_arg_player[] =
2289 {
2290   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2291   { CA_ARG_PLAYER_1,            "1"                             },
2292   { CA_ARG_PLAYER_2,            "2"                             },
2293   { CA_ARG_PLAYER_3,            "3"                             },
2294   { CA_ARG_PLAYER_4,            "4"                             },
2295   { CA_ARG_PLAYER_ANY,          "any"                           },
2296   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2297   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2298
2299   { -1,                         NULL                            }
2300 };
2301
2302 static struct ValueTextInfo options_action_arg_number[] =
2303 {
2304   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2305   { CA_ARG_0,                   "0"                             },
2306   { CA_ARG_1,                   "1"                             },
2307   { CA_ARG_2,                   "2"                             },
2308   { CA_ARG_3,                   "3"                             },
2309   { CA_ARG_4,                   "4"                             },
2310   { CA_ARG_5,                   "5"                             },
2311   { CA_ARG_10,                  "10"                            },
2312   { CA_ARG_100,                 "100"                           },
2313   { CA_ARG_1000,                "1000"                          },
2314   { CA_ARG_UNDEFINED,           " "                             },
2315   { CA_ARG_NUMBER_MIN,          "min"                           },
2316   { CA_ARG_NUMBER_MAX,          "max"                           },
2317   { CA_ARG_UNDEFINED,           " "                             },
2318   { CA_ARG_NUMBER_RESET,        "reset"                         },
2319   { CA_ARG_UNDEFINED,           " "                             },
2320   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2321   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2322   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2323   { CA_ARG_UNDEFINED,           " "                             },
2324   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2325   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2326   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2327   { CA_ARG_UNDEFINED,           " "                             },
2328   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2329   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2330   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2331   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2332   { CA_ARG_UNDEFINED,           " "                             },
2333   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2334   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2335   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2336   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2337
2338   { -1,                         NULL                            }
2339 };
2340
2341 static struct ValueTextInfo options_action_arg_value[] =
2342 {
2343   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2344   { CA_ARG_0,                   "0"                             },
2345   { CA_ARG_1,                   "1"                             },
2346   { CA_ARG_2,                   "2"                             },
2347   { CA_ARG_3,                   "3"                             },
2348   { CA_ARG_4,                   "4"                             },
2349   { CA_ARG_5,                   "5"                             },
2350   { CA_ARG_10,                  "10"                            },
2351   { CA_ARG_100,                 "100"                           },
2352   { CA_ARG_1000,                "1000"                          },
2353   { CA_ARG_UNDEFINED,           " "                             },
2354   { CA_ARG_NUMBER_MIN,          "min"                           },
2355   { CA_ARG_NUMBER_MAX,          "max"                           },
2356   { CA_ARG_UNDEFINED,           " "                             },
2357   { CA_ARG_NUMBER_RESET,        "reset"                         },
2358   { CA_ARG_UNDEFINED,           " "                             },
2359   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2360   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2361   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2362   { CA_ARG_UNDEFINED,           " "                             },
2363   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2364   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2365   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2366   { CA_ARG_UNDEFINED,           " "                             },
2367   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2368   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2369   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2370   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2371   { CA_ARG_UNDEFINED,           " "                             },
2372   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2373   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2374   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2375   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2376   { CA_ARG_UNDEFINED,           " "                             },
2377   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2378   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2379   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2380   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2381
2382   { -1,                         NULL                            }
2383 };
2384
2385 static struct ValueTextInfo options_action_arg_envelope[] =
2386 {
2387   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2388   { CA_ARG_1,                   "1"                             },
2389   { CA_ARG_2,                   "2"                             },
2390   { CA_ARG_3,                   "3"                             },
2391   { CA_ARG_4,                   "4"                             },
2392   { CA_ARG_UNDEFINED,           " "                             },
2393   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2394   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2395   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2396   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2397
2398   { -1,                         NULL                            }
2399 };
2400
2401 static struct ValueTextInfo options_action_arg_key[] =
2402 {
2403   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2404   { CA_ARG_1,                   "1"                             },
2405   { CA_ARG_2,                   "2"                             },
2406   { CA_ARG_3,                   "3"                             },
2407   { CA_ARG_4,                   "4"                             },
2408   { CA_ARG_5,                   "5"                             },
2409   { CA_ARG_6,                   "6"                             },
2410   { CA_ARG_7,                   "7"                             },
2411   { CA_ARG_8,                   "8"                             },
2412   { CA_ARG_UNDEFINED,           " "                             },
2413   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2414   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2415   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2416   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2417
2418   { -1,                         NULL                            }
2419 };
2420
2421 static struct ValueTextInfo options_action_arg_speed[] =
2422 {
2423   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2424   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2425   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2426   { CA_ARG_SPEED_SLOW,          "slow"                          },
2427   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2428   { CA_ARG_SPEED_FAST,          "fast"                          },
2429   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2430   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2431   { CA_ARG_UNDEFINED,           " "                             },
2432   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2433   { CA_ARG_SPEED_FASTER,        "faster"                        },
2434   { CA_ARG_UNDEFINED,           " "                             },
2435   { CA_ARG_SPEED_RESET,         "reset"                         },
2436
2437   { -1,                         NULL                            }
2438 };
2439
2440 static struct ValueTextInfo options_action_arg_shield[] =
2441 {
2442   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2443   { CA_ARG_SHIELD_OFF,          "off"                           },
2444   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2445   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2446
2447   { -1,                         NULL                            }
2448 };
2449
2450 static struct ValueTextInfo options_action_arg_artwork[] =
2451 {
2452   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2453   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2454   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2455   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2456   { CA_ARG_UNDEFINED,           " "                             },
2457   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2458
2459   { -1,                         NULL                            }
2460 };
2461
2462 static struct ValueTextInfo options_action_arg_gravity[] =
2463 {
2464   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2465   { CA_ARG_GRAVITY_ON,          "on"                            },
2466   { CA_ARG_GRAVITY_OFF,         "off"                           },
2467   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2468
2469   { -1,                         NULL                            }
2470 };
2471
2472 static struct ValueTextInfo options_action_arg_direction[] =
2473 {
2474   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2475   { CA_ARG_DIRECTION_NONE,      "none"                          },
2476   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2477   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2478   { CA_ARG_DIRECTION_UP,        "up"                            },
2479   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2480   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2481   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2482
2483   { -1,                         NULL                            }
2484 };
2485
2486 static struct ValueTextInfo options_action_arg_scan_mode[] =
2487 {
2488   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2489   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2490   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2491
2492   { -1,                         NULL                            }
2493 };
2494
2495 static struct ValueTextInfo options_action_arg_inventory[] =
2496 {
2497   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2498   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2499   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2500   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2501   { CA_ARG_UNDEFINED,           " "                             },
2502   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2503   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2504   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2505   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2506   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2507   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2508   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2509   { CA_ARG_UNDEFINED,           " "                             },
2510   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2511
2512   { -1,                         NULL                            }
2513 };
2514
2515 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2516 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2517 {
2518   { -1,                         NULL                            }
2519 };
2520
2521 static struct ValueTextInfo options_group_choice_mode[] =
2522 {
2523   { ANIM_RANDOM,                "random"                        },
2524   { ANIM_LOOP,                  "loop"                          },
2525   { ANIM_LINEAR,                "linear"                        },
2526   { ANIM_PINGPONG,              "pingpong"                      },
2527   { ANIM_PINGPONG2,             "pingpong 2"                    },
2528   { ANIM_LEVEL_NR,              "level number"                  },
2529
2530   { -1,                         NULL                            }
2531 };
2532
2533 static struct ValueTextInfo *action_arg_modes[] =
2534 {
2535   options_action_mode_none,
2536   options_action_mode_assign,
2537   options_action_mode_add_remove,
2538   options_action_mode_calculate,
2539 };
2540
2541 static struct
2542 {
2543   int value;
2544   int mode;
2545   struct ValueTextInfo *options;
2546 }
2547 action_arg_options[] =
2548 {
2549   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2550   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2551   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2552   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2553   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2554   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2555   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2556   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2557   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2558   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2559   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2560   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2561   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2562   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2563   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2564   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2565   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2566   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2567   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2568   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2569   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2570   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2571
2572   { -1,                         FALSE,  NULL                            }
2573 };
2574
2575 static struct
2576 {
2577   int gadget_type_id;
2578   int x, y;
2579   int gadget_id;
2580   int gadget_id_align;
2581   int size;     // char size of selectbox or '-1' (dynamically determined)
2582   struct ValueTextInfo *options;
2583   int *value;
2584   char *text_above, *text_left, *text_right, *infotext;
2585 } selectbox_info[ED_NUM_SELECTBOX] =
2586 {
2587   // ---------- level and editor settings -------------------------------------
2588
2589   {
2590     ED_SELECTBOX_ID_TIME_OR_STEPS,
2591     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2592     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2593     -1,
2594     options_time_or_steps,
2595     &level.use_step_counter,
2596     NULL, NULL, "(0 => no limit)",      "time or step limit"
2597   },
2598   {
2599     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2600     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2601     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2602     -1,
2603     options_time_score_base,
2604     &level.time_score_base,
2605     NULL, NULL, NULL,                   "time score for 1 or 10 seconds/steps"
2606   },
2607   {
2608     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2609     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2610     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2611     -1,
2612     options_game_engine_type,
2613     &level.game_engine_type,
2614     NULL, "game engine:", NULL,         "game engine"
2615   },
2616   {
2617     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2618     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2619     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2620     -1,
2621     options_levelset_save_mode,
2622     &levelset_save_mode,
2623     "Action:", NULL, NULL,              "action when saving level set"
2624   },
2625
2626   // ---------- element settings: configure (several elements) ----------------
2627
2628   {
2629     ED_SELECTBOX_ID_WIND_DIRECTION,
2630     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2631     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2632     -1,
2633     options_wind_direction,
2634     &level.wind_direction_initial,
2635     NULL, "initial wind direction:", NULL,      "initial wind direction"
2636   },
2637   {
2638     ED_SELECTBOX_ID_PLAYER_SPEED,
2639     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2640     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2641     -1,
2642     options_player_speed,
2643     &level.initial_player_stepsize[0],
2644     NULL, "initial player speed:", NULL,        "initial player speed"
2645   },
2646   {
2647     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2648     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2649     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2650     -1,
2651     options_group_choice_mode,
2652     &level.mm_ball_choice_mode,
2653     NULL, "choice type:", NULL,         "type of content choice"
2654   },
2655
2656   // ---------- element settings: configure 1 (custom elements) ---------------
2657
2658   {
2659     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2660     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2661     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2662     -1,
2663     options_access_type,
2664     &custom_element.access_type,
2665     NULL, NULL, NULL,                   "type of access to this field"
2666   },
2667   {
2668     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2669     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2670     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2671     -1,
2672     options_access_layer,
2673     &custom_element.access_layer,
2674     NULL, NULL, NULL,                   "layer of access for this field"
2675   },
2676   {
2677     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2678     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2679     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2680     -1,
2681     options_access_protected,
2682     &custom_element.access_protected,
2683     NULL, NULL, NULL,                   "protected access for this field"
2684   },
2685   {
2686     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2687     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2688     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2689     -1,
2690     options_access_direction,
2691     &custom_element.access_direction,
2692     NULL, "from", NULL,                 "access direction for this field"
2693   },
2694   {
2695     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2696     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2697     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2698     -1,
2699     options_walk_to_action,
2700     &custom_element.walk_to_action,
2701     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2702   },
2703
2704   // ---------- element settings: configure 2 (custom elements) ---------------
2705
2706   {
2707     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2708     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2709     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2710     -1,
2711     options_move_pattern,
2712     &custom_element.move_pattern,
2713     NULL, "can move", NULL,             "element move pattern"
2714   },
2715   {
2716     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2717     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2718     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2719     -1,
2720     options_move_direction,
2721     &custom_element.move_direction_initial,
2722     NULL, "starts moving", NULL,        "initial element move direction"
2723   },
2724   {
2725     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2726     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2727     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2728     -1,
2729     options_move_stepsize,
2730     &custom_element.move_stepsize,
2731     NULL, "move/fall speed", NULL,      "speed of element movement"
2732   },
2733   {
2734     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2735     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2736     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2737     -1,
2738     options_move_leave_type,
2739     &custom_element.move_leave_type,
2740     // left text with leading spaces to place gadget next to "can dig" gadget
2741     // (needed because drawing area gadgets created after selectbox gadgets)
2742     // NULL, "can dig:    can", ":",    "leave behind or change element"
2743     NULL, "            can", ":",       "leave behind or change element"
2744   },
2745   {
2746     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2747     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2748     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2749     -1,
2750     options_smash_targets,
2751     &custom_element.smash_targets,
2752     NULL, "can smash", NULL,            "elements that can be smashed"
2753   },
2754   {
2755     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2756     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2757     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2758     -1,
2759     options_slippery_type,
2760     &custom_element.slippery_type,
2761     NULL, "slippery", NULL,             "where other elements fall down"
2762   },
2763   {
2764     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2765     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2766     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2767     -1,
2768     options_deadliness,
2769     &custom_element.deadliness,
2770     NULL, "deadly when", NULL,          "deadliness of element"
2771   },
2772   {
2773     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
2774     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2775     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2776     -1,
2777     options_explosion_type,
2778     &custom_element.explosion_type,
2779     NULL, "can explode", NULL,          "explosion type"
2780   },
2781
2782   // ---------- element settings: advanced (custom elements) ------------------
2783
2784   {
2785     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
2786     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2787     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2788     -1,
2789     options_time_units,
2790     &custom_element_change.delay_frames,
2791     NULL, "delay time given in", NULL,  "delay time units for change"
2792   },
2793   {
2794     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
2795     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2796     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2797     -1,
2798     options_change_direct_action,
2799     &custom_element_change.direct_action,
2800     NULL, NULL, NULL,                   "type of direct action"
2801   },
2802   {
2803     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
2804     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2805     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2806     -1,
2807     options_change_other_action,
2808     &custom_element_change.other_action,
2809     NULL, NULL, "element:",             "type of other element action"
2810   },
2811   {
2812     ED_SELECTBOX_ID_CHANGE_SIDE,
2813     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2814     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2815     -1,
2816     options_change_trigger_side,
2817     &custom_element_change.trigger_side,
2818     NULL, "at", "side",                 "element side triggering change"
2819   },
2820   {
2821     ED_SELECTBOX_ID_CHANGE_PLAYER,
2822     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2823     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2824     -1,
2825     options_change_trigger_player,
2826     &custom_element_change.trigger_player,
2827     NULL, "player:", " ",               "player that causes change"
2828   },
2829   {
2830     ED_SELECTBOX_ID_CHANGE_PAGE,
2831     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2832     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2833     -1,
2834     options_change_trigger_page,
2835     &custom_element_change.trigger_page,
2836     NULL, "page:", NULL,                "change page that causes change"
2837   },
2838   {
2839     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
2840     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2841     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2842     -1,
2843     options_change_replace_when,
2844     &custom_element_change.replace_when,
2845     NULL, "replace when", NULL,         "which elements can be replaced"
2846   },
2847   {
2848     ED_SELECTBOX_ID_ACTION_TYPE,
2849     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2850     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2851     15,
2852     options_action_type,
2853     &custom_element_change.action_type,
2854     NULL, NULL, NULL,                   "action on specified condition"
2855   },
2856   {
2857     ED_SELECTBOX_ID_ACTION_MODE,
2858     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2859     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2860     -1,
2861     options_action_mode_none,
2862     &custom_element_change.action_mode,
2863     NULL, NULL, NULL,                   "action operator"
2864   },
2865   {
2866     ED_SELECTBOX_ID_ACTION_ARG,
2867     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2868     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2869     -1,
2870     options_action_arg_none,
2871     &custom_element_change.action_arg,
2872     NULL, NULL, NULL,                   "action parameter"
2873   },
2874   {
2875     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
2876     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2877     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2878     3,
2879     options_change_page,
2880     &custom_element.current_change_page,
2881     NULL, NULL, NULL,                   "element change page"
2882   },
2883
2884   // ---------- element settings: configure (group elements) ------------------
2885
2886   {
2887     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
2888     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2889     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2890     -1,
2891     options_group_choice_mode,
2892     &group_element_info.choice_mode,
2893     NULL, "choice type:", NULL,         "type of group element choice"
2894   },
2895 };
2896
2897 static struct
2898 {
2899   int gadget_type_id;
2900   int x, y;
2901   int gadget_id;
2902   int gadget_id_align;
2903   int size;
2904   char *text;
2905   char *text_above, *text_left, *text_right, *infotext;
2906 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2907 {
2908   // ---------- level and editor settings (tabs) ------------------------------
2909
2910   {
2911     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
2912     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2913     GADGET_ID_LEVELCONFIG_LEVEL,        GADGET_ID_NONE,
2914     8,                                  "Level",
2915     NULL, NULL, NULL,                   "Configure level settings"
2916   },
2917   {
2918     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
2919     -1,                                 -1,
2920     GADGET_ID_LEVELCONFIG_LEVELSET,     GADGET_ID_LEVELCONFIG_LEVEL,
2921     8,                                  "Levelset",
2922     NULL, NULL, NULL,                   "Update this or create new level set"
2923   },
2924   {
2925     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
2926     -1,                                 -1,
2927     GADGET_ID_LEVELCONFIG_EDITOR,       GADGET_ID_LEVELCONFIG_LEVELSET,
2928     8,                                  "Editor",
2929     NULL, NULL, NULL,                   "Configure editor settings"
2930   },
2931   {
2932     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
2933     -1,                                 -1,
2934     GADGET_ID_LEVELCONFIG_ENGINE,       GADGET_ID_LEVELCONFIG_EDITOR,
2935     8,                                  "Engine",
2936     NULL, NULL, NULL,                   "Configure engine settings"
2937   },
2938
2939   // ---------- element settings (tabs) ---------------------------------------
2940
2941   {
2942     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
2943     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2944     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2945     8,                                  "Info",
2946     NULL, NULL, NULL,                   "Show information about element"
2947   },
2948   {
2949     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
2950     -1,                                 -1,
2951     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2952     8,                                  "Config",
2953     NULL, NULL, NULL,                   "Configure element properties"
2954   },
2955   {
2956     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
2957     -1,                                 -1,
2958     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2959     8,                                  "Config 1",
2960     NULL, NULL, NULL,                   "Configure element properties, part 1"
2961   },
2962   {
2963     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
2964     -1,                                 -1,
2965     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2966     8,                                  "Config 2",
2967     NULL, NULL, NULL,                   "Configure element properties, part 2"
2968   },
2969   {
2970     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
2971     -1,                                 -1,
2972     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2973     8,                                  "Change",
2974     NULL, NULL, NULL,                   "Configure custom element change pages"
2975   },
2976
2977   // ---------- level and editor settings (buttons) ---------------------------
2978
2979   {
2980     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
2981     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2982     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2983     -1,                                 "Save",
2984     NULL, NULL, NULL,                   "Update or create level set"
2985   },
2986   {
2987     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
2988     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2989     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2990     -1,                                 "Save",
2991     NULL, NULL,                         "this level as level template",
2992     "Save current settings as new template"
2993   },
2994
2995   // ---------- element settings (buttons) ------------------------------------
2996
2997   {
2998     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
2999     -1,                                 -1,
3000     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3001     -1,                                 "Save",
3002     NULL, " ",                          "As Template",
3003     "Save current settings as new template"
3004   },
3005   {
3006     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3007     -1,                                 -1,
3008     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
3009     -1,                                 "New",
3010     NULL, NULL, NULL,                   "Add new change page"
3011   },
3012   {
3013     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3014     -1,                                 -1,
3015     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
3016     -1,                                 "Delete",
3017     NULL, NULL, NULL,                   "Delete current change page"
3018   },
3019 };
3020
3021 static struct
3022 {
3023   int gadget_type_id;
3024   int graphic;
3025   int x, y;
3026   int gadget_id;
3027   int gadget_id_align;
3028   char *text_left, *text_right, *infotext;
3029 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3030 {
3031   {
3032     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3033     IMG_EDITOR_COUNTER_DOWN,
3034     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3035     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
3036     NULL, NULL,                         "select previous change page"
3037   },
3038   {
3039     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3040     IMG_EDITOR_COUNTER_UP,
3041     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3042     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
3043     NULL, "change page",                "select next change page"
3044   },
3045   {
3046     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3047     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3048     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3049     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
3050     " ", NULL,                          "copy settings from this change page"
3051   },
3052   {
3053     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3054     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3055     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3056     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
3057     NULL, NULL,                         "paste settings to this change page"
3058   },
3059 };
3060
3061 static struct
3062 {
3063   int x, y;
3064 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3065
3066 static struct
3067 {
3068   int gadget_type_id;
3069   int graphic;
3070   int gadget_id;
3071   char *infotext;
3072 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3073 {
3074   {
3075     ED_SCROLLBUTTON_ID_AREA_UP,
3076     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3077     GADGET_ID_SCROLL_UP,
3078     "scroll level editing area up"
3079   },
3080   {
3081     ED_SCROLLBUTTON_ID_AREA_DOWN,
3082     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3083     GADGET_ID_SCROLL_DOWN,
3084     "scroll level editing area down"
3085   },
3086   {
3087     ED_SCROLLBUTTON_ID_AREA_LEFT,
3088     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3089     GADGET_ID_SCROLL_LEFT,
3090     "scroll level editing area left"
3091   },
3092   {
3093     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3094     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3095     GADGET_ID_SCROLL_RIGHT,
3096     "scroll level editing area right"
3097   },
3098   {
3099     ED_SCROLLBUTTON_ID_LIST_UP,
3100     IMG_EDITOR_PALETTE_SCROLL_UP,
3101     GADGET_ID_SCROLL_LIST_UP,
3102     "scroll element list up ('Page Up')"
3103   },
3104   {
3105     ED_SCROLLBUTTON_ID_LIST_DOWN,
3106     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3107     GADGET_ID_SCROLL_LIST_DOWN,
3108     "scroll element list down ('Page Down')"
3109   },
3110 };
3111
3112 static struct
3113 {
3114   int x, y;
3115   int width, height;
3116   int wheel_x, wheel_y;
3117   int wheel_width, wheel_height;
3118 } scrollbar_pos[ED_NUM_SCROLLBARS];
3119
3120 static struct
3121 {
3122   int gadget_type_id;
3123   int graphic;
3124   int type;
3125   int gadget_id;
3126   char *infotext;
3127 } scrollbar_info[ED_NUM_SCROLLBARS] =
3128 {
3129   {
3130     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3131     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3132     GD_TYPE_SCROLLBAR_HORIZONTAL,
3133     GADGET_ID_SCROLL_HORIZONTAL,
3134     "scroll level editing area horizontally"
3135   },
3136   {
3137     ED_SCROLLBAR_ID_AREA_VERTICAL,
3138     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3139     GD_TYPE_SCROLLBAR_VERTICAL,
3140     GADGET_ID_SCROLL_VERTICAL,
3141     "scroll level editing area vertically"
3142   },
3143   {
3144     ED_SCROLLBAR_ID_LIST_VERTICAL,
3145     IMG_EDITOR_PALETTE_SCROLLBAR,
3146     GD_TYPE_SCROLLBAR_VERTICAL,
3147     GADGET_ID_SCROLL_LIST_VERTICAL,
3148     "scroll element list vertically"
3149   }
3150 };
3151
3152
3153 static struct
3154 {
3155   int gadget_type_id;
3156   int x, y;
3157   int gadget_id;
3158   int gadget_id_align;
3159   int radio_button_nr;
3160   int *value;
3161   int checked_value;
3162   char *text_left, *text_right, *infotext;
3163 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3164 {
3165   {
3166     ED_RADIOBUTTON_ID_PERCENTAGE,
3167     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3168     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3169     RADIO_NR_RANDOM_ELEMENTS,
3170     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3171     " ", "percentage",                  "use percentage for random elements"
3172   },
3173   {
3174     ED_RADIOBUTTON_ID_QUANTITY,
3175     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3176     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3177     RADIO_NR_RANDOM_ELEMENTS,
3178     &random_placement_method,           RANDOM_USE_QUANTITY,
3179     " ", "quantity",                    "use quantity for random elements"
3180   }
3181 };
3182
3183 static struct
3184 {
3185   int gadget_type_id;
3186   int x, y;
3187   int gadget_id;
3188   int gadget_id_align;
3189   boolean *value;
3190   char *text_above, *text_left, *text_right, *infotext;
3191 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3192 {
3193   // ---------- level and editor settings -------------------------------------
3194
3195   {
3196     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3197     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3198     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3199     &level.auto_count_gems,
3200     NULL, NULL,
3201     "automatically count gems needed",  "set counter to number of gems"
3202   },
3203   {
3204     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3205     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3206     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3207     &level.rate_time_over_score,
3208     NULL, NULL,
3209     "rate time/steps used over score",  "sort high scores by playing time/steps"
3210   },
3211   {
3212     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3213     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3214     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3215     &levelset_use_levelset_artwork,
3216     NULL, NULL,
3217     "use current custom artwork",       "use custom artwork of this level set"
3218   },
3219   {
3220     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3221     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3222     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3223     &levelset_copy_level_template,
3224     NULL, NULL,
3225     "copy current level template",      "copy level template of this level set"
3226   },
3227   {
3228     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3229     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3230     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3231     &random_placement_background_restricted,
3232     NULL, NULL,
3233     "restrict random placement to:",    "set random placement restriction"
3234   },
3235   {
3236     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3237     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3238     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3239     &setup.editor.use_template_for_new_levels,
3240     "Template for new levels and CE/GE:", NULL,
3241     "use template for new levels",      "use template for level properties"
3242   },
3243   {
3244     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3245     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3246     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3247     &level.use_custom_template,
3248     NULL, NULL,
3249     "use template for custom elements", "use template for custom properties"
3250   },
3251   {
3252     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3253     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
3254     GADGET_ID_BD_INTERMISSION,          GADGET_ID_NONE,
3255     &level.bd_intermission,
3256     "Boulder Dash game engine settings:", NULL,
3257     "intermission",                     "level is an intermission level"
3258   },
3259   {
3260     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3261     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3262     GADGET_ID_BD_PAL_TIMING,            GADGET_ID_NONE,
3263     &level.bd_pal_timing,
3264     NULL, NULL,
3265     "PAL timing",                       "use slower timer (like PAL C64)"
3266   },
3267
3268   // ---------- element settings: configure (various elements) ----------------
3269
3270   {
3271     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3272     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3273     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3274     &stick_element_properties_window,
3275     NULL, NULL,
3276     "stick this screen to edit content","stick this screen to edit content"
3277   },
3278   {
3279     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3280     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3281     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3282     &level.em_slippery_gems,
3283     NULL, NULL,
3284     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3285   },
3286   {
3287     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3288     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3289     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3290     &level.em_explodes_by_fire,
3291     NULL, NULL,
3292     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3293   },
3294   {
3295     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3296     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3297     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3298     &level.use_spring_bug,
3299     NULL, NULL,
3300     "use spring pushing bug",           "use odd spring pushing behaviour"
3301   },
3302   {
3303     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3304     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3305     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3306     &level.use_time_orb_bug,
3307     NULL, NULL,
3308     "use time orb bug",                 "use odd time orb behaviour"
3309   },
3310   {
3311     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3312     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3313     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3314     &level.use_life_bugs,
3315     NULL, NULL,
3316     "use buggy element behaviour",      "use odd (historic) element behaviour"
3317   },
3318   {
3319     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3320     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3321     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3322     &level.ball_random,
3323     NULL, NULL,
3324     "create single random element",     "only create one element from content"
3325   },
3326   {
3327     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3328     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3329     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3330     &level.ball_active_initial,
3331     NULL, NULL,
3332     "magic ball initially activated",   "activate magic ball after level start"
3333   },
3334   {
3335     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3336     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3337     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3338     &level.grow_into_diggable,
3339     NULL, NULL,
3340     "can grow into anything diggable",  "grow into more than just sand"
3341   },
3342   {
3343     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3344     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3345     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3346     &level.sb_fields_needed,
3347     NULL, NULL,
3348     "all fields need to be filled",     "require all SB fields to be solved"
3349   },
3350   {
3351     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3352     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3353     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3354     &level.sb_objects_needed,
3355     NULL, NULL,
3356     "all objects need to be placed",    "require all SB objects to be solved"
3357   },
3358   {
3359     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3360     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3361     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3362     &level.auto_exit_sokoban,
3363     NULL, NULL,
3364     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3365   },
3366   {
3367     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3368     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3369     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3370     &level.solved_by_one_player,
3371     NULL, NULL,
3372     "only one player must enter exit",  "level solved by first player in exit"
3373   },
3374   {
3375     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3376     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3377     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3378     &level.finish_dig_collect,
3379     NULL, NULL,
3380     "CE action on finished dig/collect", "only finished dig/collect triggers CE"
3381   },
3382   {
3383     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3384     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3385     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3386     &level.keep_walkable_ce,
3387     NULL, NULL,
3388     "keep walkable CE changed to player", "keep CE changing to player if walkable"
3389   },
3390   {
3391     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3392     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3393     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3394     &level.continuous_snapping,
3395     NULL, NULL,
3396     "continuous snapping",              "use snapping without releasing key"
3397   },
3398   {
3399     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3400     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3401     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3402     &level.block_snap_field,
3403     NULL, NULL,
3404     "block snapped field when snapping", "use snapping delay to show animation"
3405   },
3406   {
3407     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3408     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3409     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3410     &level.block_last_field,
3411     NULL, NULL,
3412     "block last field when moving",     "player blocks last field when moving"
3413   },
3414   {
3415     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3416     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3417     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3418     &level.sp_block_last_field,
3419     NULL, NULL,
3420     "block last field when moving",     "player blocks last field when moving"
3421   },
3422   {
3423     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3424     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3425     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3426     &level.instant_relocation,
3427     NULL, NULL,
3428     "no scrolling when relocating",     "player gets relocated without delay"
3429   },
3430   {
3431     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3432     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3433     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3434     &level.shifted_relocation,
3435     NULL, NULL,
3436     "no centering when relocating",     "level not centered after relocation"
3437   },
3438   {
3439     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3440     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3441     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3442     &level.lazy_relocation,
3443     NULL, NULL,
3444     "only redraw off-screen relocation","no redraw if relocation target visible"
3445   },
3446   {
3447     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3448     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3449     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3450     &level.use_start_element[0],
3451     NULL, NULL,
3452     "use level start element:",        "start level at this element's position"
3453   },
3454   {
3455     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3456     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3457     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3458     &level.use_artwork_element[0],
3459     NULL, NULL,
3460     "use artwork from element:",        "use player artwork from other element"
3461   },
3462   {
3463     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3464     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3465     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3466     &level.use_explosion_element[0],
3467     NULL, NULL,
3468     "use explosion from element:",      "use explosion properties from element"
3469   },
3470   {
3471     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3472     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3473     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3474     &level.initial_player_gravity[0],
3475     NULL, NULL,
3476     "use initial gravity",              "set initial player gravity"
3477   },
3478   {
3479     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3480     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3481     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3482     &level.use_initial_inventory[0],
3483     NULL, NULL,
3484     "use initial inventory:",           "use collected elements on level start"
3485   },
3486   {
3487     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3488     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3489     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3490     &level.can_pass_to_walkable,
3491     NULL, NULL,
3492     "can pass to walkable element",     "player can pass to empty or walkable"
3493   },
3494   {
3495     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3496     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3497     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3498     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3499     NULL, NULL,
3500     "can fall into acid (with gravity)","player can fall into acid pool"
3501   },
3502   {
3503     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3504     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3505     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3506     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3507     NULL, NULL,
3508     "can move into acid",               "element can move into acid pool"
3509   },
3510   {
3511     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3512     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3513     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3514     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3515     NULL, NULL,
3516     "deadly when colliding with",       "element is deadly when hitting player"
3517   },
3518   {
3519     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3520     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3521     GADGET_ID_BD_DIAGONAL_MOVEMENTS,    GADGET_ID_NONE,
3522     &level.bd_diagonal_movements,
3523     NULL, NULL,
3524     "can move diagonally",              "player can move diagonally"
3525   },
3526   {
3527     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3528     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3529     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3530     &level.envelope[0].autowrap,
3531     NULL, NULL,
3532     "auto-wrap",                        "automatically wrap envelope text"
3533   },
3534   {
3535     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3536     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3537     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3538     &level.envelope[0].centered,
3539     NULL, " ",
3540     "centered",                         "automatically center envelope text"
3541   },
3542   {
3543     ED_CHECKBUTTON_ID_MM_LASER_RED,
3544     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3545     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3546     &level.mm_laser_red,
3547     "choose color components for laser:", NULL,
3548     "red",                              "use red color components in laser"
3549   },
3550   {
3551     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3552     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3553     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3554     &level.mm_laser_green,
3555     NULL, NULL,
3556     "green",                            "use green color components in laser"
3557   },
3558   {
3559     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3560     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3561     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3562     &level.mm_laser_blue,
3563     NULL, NULL,
3564     "blue",                             "use blue color components in laser"
3565   },
3566   {
3567     ED_CHECKBUTTON_ID_DF_LASER_RED,
3568     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3569     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3570     &level.df_laser_red,
3571     "choose color components for laser:", NULL,
3572     "red",                              "use red color components in laser"
3573   },
3574   {
3575     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
3576     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3577     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3578     &level.df_laser_green,
3579     NULL, NULL,
3580     "green",                            "use green color components in laser"
3581   },
3582   {
3583     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
3584     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3585     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3586     &level.df_laser_blue,
3587     NULL, NULL,
3588     "blue",                             "use blue color components in laser"
3589   },
3590   {
3591     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
3592     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3593     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3594     &level.rotate_mm_ball_content,
3595     NULL, NULL,
3596     "randomly rotate created content",  "randomly rotate newly created content"
3597   },
3598   {
3599     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
3600     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3601     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3602     &level.explode_mm_ball,
3603     NULL, NULL,
3604     "explode ball instead of melting",  "use explosion to release ball content"
3605   },
3606
3607   // ---------- element settings: configure 1 (custom elements) ---------------
3608
3609   {
3610     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
3611     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3612     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3613     &custom_element.use_gfx_element,
3614     NULL, NULL,
3615     "use graphic of element:",          "use existing element graphic"
3616   },
3617   {
3618     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
3619     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3620     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3621     &level.use_custom_template,
3622     NULL, NULL,
3623     "use template",                     "use template for custom properties"
3624   },
3625   {
3626     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
3627     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3628     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3629     &custom_element_properties[EP_ACCESSIBLE],
3630     NULL, NULL,
3631     NULL,                               "player can walk to or pass this field"
3632   },
3633   {
3634     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
3635     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3636     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3637     &custom_element_properties[EP_GRAVITY_REACHABLE],
3638     NULL, NULL,
3639     "reachable despite gravity",        "player can walk/dig despite gravity"
3640   },
3641   {
3642     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
3643     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3644     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3645     &custom_element.use_last_ce_value,
3646     NULL, NULL,
3647     "use last CE value after change",   "use last CE value after change"
3648   },
3649   {
3650     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
3651     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3652     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3653     &custom_element_properties[EP_WALK_TO_OBJECT],
3654     NULL, NULL,
3655     NULL,                               "player can dig/collect/push element"
3656   },
3657   {
3658     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
3659     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3660     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3661     &custom_element_properties[EP_INDESTRUCTIBLE],
3662     NULL, NULL,
3663     "indestructible",                   "element is indestructible"
3664   },
3665
3666   // ---------- element settings: configure 2 (custom elements) ---------------
3667
3668   {
3669     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
3670     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3671     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3672     &custom_element_properties[EP_CAN_MOVE],
3673     NULL, NULL,
3674     NULL,                               "element can move with some pattern"
3675   },
3676   {
3677     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
3678     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3679     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3680     &custom_element_properties[EP_CAN_FALL],
3681     NULL, NULL,
3682     "can fall",                         "element can fall down"
3683   },
3684   {
3685     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
3686     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3687     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3688     &custom_element_properties[EP_CAN_SMASH],
3689     NULL, " ",
3690     NULL,                               "element can smash other elements"
3691   },
3692   {
3693     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
3694     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3695     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3696     &custom_element_properties[EP_SLIPPERY],
3697     NULL, NULL,
3698     NULL,                               "other elements can fall down from it"
3699   },
3700   {
3701     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
3702     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3703     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3704     &custom_element_properties[EP_DEADLY],
3705     NULL, NULL,
3706     NULL,                               "element can kill the player"
3707   },
3708   {
3709     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
3710     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3711     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3712     &custom_element_properties[EP_CAN_EXPLODE],
3713     NULL, NULL,
3714     NULL,                               "element can explode"
3715   },
3716   {
3717     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
3718     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
3719     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3720     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3721     NULL, NULL,
3722     "by fire",                          "element can explode by fire/explosion"
3723   },
3724   {
3725     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
3726     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3727     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3728     &custom_element_properties[EP_EXPLODES_SMASHED],
3729     NULL, " ",
3730     "smashed",                          "element can explode when smashed"
3731   },
3732   {
3733     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
3734     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3735     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3736     &custom_element_properties[EP_EXPLODES_IMPACT],
3737     NULL, " ",
3738     "impact",                           "element can explode on impact"
3739   },
3740
3741   // ---------- element settings: advanced (custom elements) ------------------
3742
3743   {
3744     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
3745     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3746     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3747     &custom_element_change.can_change,
3748     NULL, NULL,
3749     "element changes to:",              "change element on specified condition"
3750   },
3751   {
3752     ED_CHECKBUTTON_ID_CHANGE_DELAY,
3753     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3754     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3755     &custom_element_change_events[CE_DELAY],
3756     NULL, NULL,
3757     NULL,                               "element changes after delay"
3758   },
3759   {
3760     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
3761     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3762     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3763     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3764     NULL, NULL,
3765     NULL,                               "element changes by direct action"
3766   },
3767   {
3768     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
3769     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3770     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3771     &custom_element_change_events[CE_BY_OTHER_ACTION],
3772     NULL, NULL,
3773     NULL,                               "element changes by other element"
3774   },
3775   {
3776     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
3777     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3778     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3779     &custom_element_change.explode,
3780     NULL, NULL,
3781     "explode instead of change",        "element explodes instead of change"
3782   },
3783   {
3784     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
3785     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3786     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3787     &custom_element_change.use_target_content,
3788     NULL, NULL,
3789     "use extended change target:",      "element changes to more elements"
3790   },
3791   {
3792     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
3793     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3794     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3795     &custom_element_change.only_if_complete,
3796     NULL, NULL,
3797     "replace all or nothing",           "only replace when all can be changed"
3798   },
3799   {
3800     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
3801     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3802     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3803     &custom_element_change.use_random_replace,
3804     NULL, NULL,
3805     NULL,                               "use percentage for random replace"
3806   },
3807   {
3808     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
3809     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3810     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3811     &custom_element_change.has_action,
3812     NULL, NULL,
3813     NULL,                               "execute action on specified condition"
3814   },
3815 };
3816
3817 static struct
3818 {
3819   int gadget_type_id;
3820   int x, y;
3821   int xoffset, yoffset;
3822   int gadget_id;
3823   int gadget_id_align;
3824   int *value;
3825   int area_xsize, area_ysize;
3826   char *text_left, *text_right, *text_above, *text_below, *infotext;
3827 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3828 {
3829   // ---------- level playfield content ---------------------------------------
3830
3831   {
3832     ED_DRAWING_ID_DRAWING_LEVEL,
3833     0,                                  0,
3834     0,                                  0,
3835     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3836     NULL,
3837     -1, -1,     // these values are not constant, but can change at runtime
3838     NULL, NULL, NULL, NULL,             NULL
3839   },
3840
3841   // ---------- yam yam content -----------------------------------------------
3842
3843   {
3844     ED_DRAWING_ID_YAMYAM_CONTENT_0,
3845     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3846     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3847     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3848     &level.yamyam_content[0].e[0][0],   3, 3,
3849     NULL, NULL, NULL, "1",              NULL
3850   },
3851   {
3852     ED_DRAWING_ID_YAMYAM_CONTENT_1,
3853     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3854     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3855     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3856     &level.yamyam_content[1].e[0][0],   3, 3,
3857     NULL, NULL, NULL, "2",              NULL
3858   },
3859   {
3860     ED_DRAWING_ID_YAMYAM_CONTENT_2,
3861     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3862     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3863     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3864     &level.yamyam_content[2].e[0][0],   3, 3,
3865     NULL, NULL, NULL, "3",              NULL
3866   },
3867   {
3868     ED_DRAWING_ID_YAMYAM_CONTENT_3,
3869     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3870     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3871     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3872     &level.yamyam_content[3].e[0][0],   3, 3,
3873     NULL, NULL, NULL, "4",              NULL
3874   },
3875   {
3876     ED_DRAWING_ID_YAMYAM_CONTENT_4,
3877     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3878     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3879     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3880     &level.yamyam_content[4].e[0][0],   3, 3,
3881     NULL, NULL, NULL, "5",              NULL
3882   },
3883   {
3884     ED_DRAWING_ID_YAMYAM_CONTENT_5,
3885     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3886     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3887     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3888     &level.yamyam_content[5].e[0][0],   3, 3,
3889     NULL, NULL, NULL, "6",              NULL
3890   },
3891   {
3892     ED_DRAWING_ID_YAMYAM_CONTENT_6,
3893     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3894     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3895     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3896     &level.yamyam_content[6].e[0][0],   3, 3,
3897     NULL, NULL, NULL, "7",              NULL
3898   },
3899   {
3900     ED_DRAWING_ID_YAMYAM_CONTENT_7,
3901     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3902     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3903     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3904     &level.yamyam_content[7].e[0][0],   3, 3,
3905     NULL, NULL, NULL, "8",              NULL
3906   },
3907
3908   // ---------- magic ball content --------------------------------------------
3909
3910   {
3911     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
3912     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3913     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3914     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3915     &level.ball_content[0].e[0][0],     3, 3,
3916     NULL, NULL, NULL, "1",              NULL
3917   },
3918   {
3919     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
3920     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3921     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3922     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3923     &level.ball_content[1].e[0][0],     3, 3,
3924     NULL, NULL, NULL, "2",              NULL
3925   },
3926   {
3927     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
3928     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3929     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3930     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3931     &level.ball_content[2].e[0][0],     3, 3,
3932     NULL, NULL, NULL, "3",              NULL
3933   },
3934   {
3935     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
3936     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3937     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3938     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3939     &level.ball_content[3].e[0][0],     3, 3,
3940     NULL, NULL, NULL, "4",              NULL
3941   },
3942   {
3943     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
3944     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3945     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3946     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3947     &level.ball_content[4].e[0][0],     3, 3,
3948     NULL, NULL, NULL, "5",              NULL
3949   },
3950   {
3951     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
3952     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3953     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3954     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3955     &level.ball_content[5].e[0][0],     3, 3,
3956     NULL, NULL, NULL, "6",              NULL
3957   },
3958   {
3959     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
3960     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3961     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3962     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3963     &level.ball_content[6].e[0][0],     3, 3,
3964     NULL, NULL, NULL, "7",              NULL
3965   },
3966   {
3967     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
3968     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3969     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3970     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3971     &level.ball_content[7].e[0][0],     3, 3,
3972     NULL, NULL, NULL, "8",              NULL
3973   },
3974
3975   // ---------- android content -----------------------------------------------
3976
3977   {
3978     ED_DRAWING_ID_ANDROID_CONTENT,
3979     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
3980     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3981     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3982     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3983     NULL, NULL, "elements:", NULL,      "elements android can clone"
3984   },
3985
3986   // ---------- amoeba content ------------------------------------------------
3987
3988   {
3989     ED_DRAWING_ID_AMOEBA_CONTENT,
3990     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3991     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3992     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3993     &level.amoeba_content,              1, 1,
3994     "content:", NULL, NULL, NULL,       "amoeba content"
3995   },
3996
3997   // ---------- level start element -------------------------------------------
3998
3999   {
4000     ED_DRAWING_ID_START_ELEMENT,
4001     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
4002     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4003     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
4004     &level.start_element[0],            1, 1,
4005     NULL, NULL, NULL, NULL,             "level start element"
4006   },
4007
4008   // ---------- player artwork element ----------------------------------------
4009
4010   {
4011     ED_DRAWING_ID_ARTWORK_ELEMENT,
4012     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
4013     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4014     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
4015     &level.artwork_element[0],          1, 1,
4016     NULL, NULL, NULL, NULL,             "element for player artwork"
4017   },
4018
4019   // ---------- player explosion element --------------------------------------
4020
4021   {
4022     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4023     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
4024     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4025     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
4026     &level.explosion_element[0],        1, 1,
4027     NULL, NULL, NULL, NULL,             "element for player explosion"
4028   },
4029
4030   // ---------- player initial inventory --------------------------------------
4031
4032   {
4033     ED_DRAWING_ID_INVENTORY_CONTENT,
4034     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4035     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4036     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
4037     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
4038     NULL, NULL, NULL, NULL,             "content for initial inventory"
4039   },
4040
4041   // ---------- gray ball content -----------------------------------------
4042
4043   {
4044     ED_DRAWING_ID_MM_BALL_CONTENT,
4045     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4046     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4047     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
4048     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
4049     "content:", NULL, NULL, NULL,       "content for gray ball"
4050   },
4051
4052   // ---------- element settings: configure 1 (custom elements) ---------------
4053
4054   // ---------- custom graphic ------------------------------------------------
4055
4056   {
4057     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4058     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4059     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4060     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
4061     &custom_element.gfx_element_initial, 1, 1,
4062     NULL, NULL, NULL, NULL,             "custom graphic element"
4063   },
4064
4065   // ---------- element settings: configure 2 (custom elements) ---------------
4066
4067   // ---------- custom content (when exploding) -------------------------------
4068
4069   {
4070     ED_DRAWING_ID_CUSTOM_CONTENT,
4071     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
4072     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4073     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
4074     &custom_element.content.e[0][0],    3, 3,
4075     "content:", NULL, NULL, NULL,       NULL
4076   },
4077
4078   // ---------- custom enter and leave element (when moving) ------------------
4079
4080   {
4081     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4082     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
4083     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4084     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
4085     &custom_element.move_enter_element, 1, 1,
4086     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
4087   },
4088   {
4089     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4090     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
4091     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4092     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4093     &custom_element.move_leave_element, 1, 1,
4094     NULL, NULL, NULL, NULL,             "element that will be left behind"
4095   },
4096
4097   // ---------- element settings: advanced (custom elements) ------------------
4098
4099   // ---------- custom change target ------------------------------------------
4100
4101   {
4102     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4103     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4104     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4105     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
4106     &custom_element_change.target_element, 1, 1,
4107     NULL, "after/when:", NULL, NULL,    "new target element after change"
4108   },
4109
4110   // ---------- custom change content (extended change target) ----------------
4111
4112   {
4113     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4114     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
4115     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4116     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
4117     &custom_element_change.target_content.e[0][0], 3, 3,
4118     NULL, NULL, NULL, NULL,             "new extended elements after change"
4119   },
4120
4121   // ---------- custom change trigger (element causing change) ----------------
4122
4123   {
4124     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4125     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
4126     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4127     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
4128     &custom_element_change.initial_trigger_element, 1, 1,
4129     NULL, NULL, NULL, NULL,             "other element triggering change"
4130   },
4131
4132   // ---------- custom change action (element used for action) ----------------
4133
4134   {
4135     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4136     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
4137     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4138     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
4139     &custom_element_change.action_element, 1, 1,
4140     NULL, NULL, NULL, NULL,             "element used as action parameter"
4141   },
4142
4143   // ---------- group element content -----------------------------------------
4144
4145   {
4146     ED_DRAWING_ID_GROUP_CONTENT,
4147     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4148     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4149     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
4150     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
4151     "content:", NULL, NULL, NULL,       NULL
4152   },
4153
4154   // ---------- random background (for random painting) -----------------------
4155
4156   {
4157     ED_DRAWING_ID_RANDOM_BACKGROUND,
4158     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
4159     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
4160     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
4161     &random_placement_background_element, 1, 1,
4162     NULL, NULL, NULL, NULL,             "random placement background"
4163   },
4164 };
4165
4166
4167 // ----------------------------------------------------------------------------
4168 // some internally used variables
4169 // ----------------------------------------------------------------------------
4170
4171 // maximal size of level editor drawing area
4172 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4173
4174 // actual size of level editor drawing area
4175 static int ed_fieldx, ed_fieldy;
4176
4177 // actual position of level editor drawing area in level playfield
4178 static int level_xpos = -1, level_ypos = -1;
4179
4180 // actual tile size used to display playfield drawing area
4181 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4182 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4183
4184 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4185
4186 // drawing elements on the three mouse buttons
4187 static int new_element1 = EL_WALL;
4188 static int new_element2 = EL_EMPTY;
4189 static int new_element3 = EL_SAND;
4190
4191 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4192 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4193                                 (button) == 2 ? new_element2 : \
4194                                 (button) == 3 ? new_element3 : EL_EMPTY)
4195
4196 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4197
4198 static int use_permanent_palette = TRUE;
4199
4200 #define PX              (use_permanent_palette ? DX : SX)
4201 #define PY              (use_permanent_palette ? DY : SY)
4202 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4203 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4204
4205 // forward declaration for internal use
4206 static void CopyBrushToCursor(int, int);
4207 static void DeleteBrushFromCursor(void);
4208 static void ModifyEditorCounterValue(int, int);
4209 static void ModifyEditorCounterLimits(int, int, int);
4210 static void ModifyEditorSelectboxValue(int, int);
4211 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4212 static void ModifyEditorDrawingArea(int, int, int);
4213 static void ModifyEditorElementList(void);
4214 static void AdjustElementListScrollbar(void);
4215 static void RedrawDrawingElements(void);
4216 static void DrawDrawingWindowExt(boolean);
4217 static void DrawDrawingWindow(void);
4218 static void DrawLevelConfigWindow(void);
4219 static void DrawPropertiesWindow(void);
4220 static void DrawPaletteWindow(void);
4221 static void UpdateCustomElementGraphicGadgets(void);
4222 static boolean checkPropertiesConfig(int);
4223 static void SetAutomaticNumberOfGemsNeeded(void);
4224 static void ClearEditorGadgetInfoText(void);
4225 static void CopyLevelToUndoBuffer(int);
4226 static void HandleDrawingAreas(struct GadgetInfo *);
4227 static void HandleCounterButtons(struct GadgetInfo *);
4228 static void HandleTextInputGadgets(struct GadgetInfo *);
4229 static void HandleTextAreaGadgets(struct GadgetInfo *);
4230 static void HandleSelectboxGadgets(struct GadgetInfo *);
4231 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4232 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4233 static void HandleRadiobuttons(struct GadgetInfo *);
4234 static void HandleCheckbuttons(struct GadgetInfo *);
4235 static void HandleControlButtons(struct GadgetInfo *);
4236 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4237 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4238 static boolean AskToCopyAndModifyLevelTemplate(void);
4239 static boolean getDrawModeHiRes(void);
4240 static int getTabulatorBarWidth(void);
4241 static int getTabulatorBarHeight(void);
4242 static Pixel getTabulatorBarColor(void);
4243 static int numHiresTiles(int);
4244
4245 static int num_editor_gadgets = 0;      // dynamically determined
4246
4247 static struct GadgetInfo **level_editor_gadget = NULL;
4248 static int *right_gadget_border = NULL;
4249
4250 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4251 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4252 static boolean draw_with_brush = FALSE;
4253 static int properties_element = 0;
4254
4255 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4256 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4257 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4258 static int undo_buffer_position = 0;
4259 static int undo_buffer_steps = 0;
4260 static int redo_buffer_steps = 0;
4261
4262 static int edit_mode;
4263 static int edit_mode_levelconfig;
4264 static int edit_mode_properties;
4265
4266 static int element_shift = 0;
4267
4268 static int editor_el_players[] =
4269 {
4270   EL_PLAYER_1,
4271   EL_PLAYER_2,
4272   EL_PLAYER_3,
4273   EL_PLAYER_4
4274 };
4275 static int *editor_el_players_ptr = editor_el_players;
4276 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4277
4278 static int editor_hl_boulderdash[] =
4279 {
4280   EL_INTERNAL_CASCADE_BD_ACTIVE,
4281   EL_CHAR('B'),
4282   EL_CHAR('D'),
4283   EL_EMPTY,
4284 };
4285
4286 static int editor_el_boulderdash[] =
4287 {
4288   EL_EMPTY,
4289   EL_SAND,
4290   EL_BD_ROCK,
4291   EL_BD_DIAMOND,
4292
4293   EL_STEELWALL,
4294   EL_BD_WALL,
4295   EL_BD_EXPANDABLE_WALL,
4296   EL_BD_MAGIC_WALL,
4297
4298   EL_BD_AMOEBA,
4299   EL_BD_BUTTERFLY_UP,
4300   EL_BD_FIREFLY_UP,
4301   EL_EXIT_CLOSED,
4302
4303   EL_BD_BUTTERFLY_LEFT,
4304   EL_BD_FIREFLY_LEFT,
4305   EL_BD_BUTTERFLY_RIGHT,
4306   EL_BD_FIREFLY_RIGHT,
4307
4308   EL_EMPTY,
4309   EL_BD_BUTTERFLY_DOWN,
4310   EL_BD_FIREFLY_DOWN,
4311   EL_EXIT_OPEN,
4312 };
4313 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4314 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4315 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4316 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4317
4318 static int editor_hl_boulderdash_native[] =
4319 {
4320   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4321   EL_CHAR('B'),
4322   EL_CHAR('D'),
4323   EL_EMPTY,
4324 };
4325
4326 static int editor_el_boulderdash_native[] =
4327 {
4328   EL_EMPTY,
4329   EL_BD_SAND,
4330   EL_BD_ROCK,
4331   EL_BD_DIAMOND,
4332
4333   EL_BD_STEELWALL,
4334   EL_BD_WALL,
4335   EL_EMPTY,
4336   EL_BD_MAGIC_WALL,
4337
4338   EL_BD_AMOEBA,
4339   EL_BD_BUTTERFLY_UP,
4340   EL_BD_FIREFLY_UP,
4341   EL_EXIT_CLOSED,
4342
4343   EL_BD_BUTTERFLY_LEFT,
4344   EL_BD_FIREFLY_LEFT,
4345   EL_BD_BUTTERFLY_RIGHT,
4346   EL_BD_FIREFLY_RIGHT,
4347
4348   EL_BD_INBOX,
4349   EL_BD_BUTTERFLY_DOWN,
4350   EL_BD_FIREFLY_DOWN,
4351   EL_EXIT_OPEN,
4352
4353   EL_BD_AMOEBA_2,
4354   EL_BD_BUTTERFLY_2_UP,
4355   EL_BD_FIREFLY_2_UP,
4356   EL_EMPTY,
4357
4358   EL_BD_BUTTERFLY_2_LEFT,
4359   EL_BD_FIREFLY_2_LEFT,
4360   EL_BD_BUTTERFLY_2_RIGHT,
4361   EL_BD_FIREFLY_2_RIGHT,
4362
4363   EL_EMPTY,
4364   EL_BD_BUTTERFLY_2_DOWN,
4365   EL_BD_FIREFLY_2_DOWN,
4366   EL_EMPTY,
4367
4368   EL_EMPTY,
4369   EL_BD_DRAGONFLY_UP,
4370   EL_BD_STONEFLY_UP,
4371   EL_EMPTY,
4372
4373   EL_BD_DRAGONFLY_LEFT,
4374   EL_BD_STONEFLY_LEFT,
4375   EL_BD_DRAGONFLY_RIGHT,
4376   EL_BD_STONEFLY_RIGHT,
4377
4378   EL_EMPTY,
4379   EL_BD_DRAGONFLY_DOWN,
4380   EL_BD_STONEFLY_DOWN,
4381   EL_EMPTY,
4382
4383   EL_EMPTY,
4384   EL_BD_BITER_UP,
4385   EL_BD_COW_UP,
4386   EL_EMPTY,
4387
4388   EL_BD_BITER_LEFT,
4389   EL_BD_COW_LEFT,
4390   EL_BD_BITER_RIGHT,
4391   EL_BD_COW_RIGHT,
4392
4393   EL_EMPTY,
4394   EL_BD_BITER_DOWN,
4395   EL_BD_COW_DOWN,
4396   EL_EMPTY,
4397
4398   EL_EMPTY,
4399   EL_BD_SAND,
4400   EL_BD_SAND_BALL,
4401   EL_BD_SAND_LOOSE,
4402
4403   EL_BD_SAND_SLOPED_UP_LEFT,
4404   EL_BD_SAND_SLOPED_UP_RIGHT,
4405   EL_BD_WALL_SLOPED_UP_LEFT,
4406   EL_BD_WALL_SLOPED_UP_RIGHT,
4407
4408   EL_BD_SAND_SLOPED_DOWN_LEFT,
4409   EL_BD_SAND_SLOPED_DOWN_RIGHT,
4410   EL_BD_WALL_SLOPED_DOWN_LEFT,
4411   EL_BD_WALL_SLOPED_DOWN_RIGHT,
4412
4413   EL_BD_FLYING_DIAMOND,
4414   EL_BD_FLYING_ROCK,
4415   EL_BD_STEELWALL_SLOPED_UP_LEFT,
4416   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
4417
4418   EL_BD_NUT,
4419   EL_BD_MEGA_ROCK,
4420   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
4421   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
4422
4423   EL_BD_SAND_2,
4424   EL_BD_WALL_NON_SLOPED,
4425   EL_BD_WALL,
4426   EL_BD_MAGIC_WALL,
4427
4428   EL_BD_EXIT_CLOSED,
4429   EL_BD_EXIT_OPEN,
4430   EL_BD_INVISIBLE_EXIT_CLOSED,
4431   EL_BD_INVISIBLE_EXIT_OPEN,
4432
4433   EL_BD_STEELWALL,
4434   EL_BD_STEELWALL_EXPLODABLE,
4435   EL_BD_STEELWALL_DIGGABLE,
4436   EL_BD_WALL_DIGGABLE,
4437
4438   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
4439   EL_BD_EXPANDABLE_WALL_VERTICAL,
4440   EL_BD_EXPANDABLE_WALL_ANY,
4441   EL_BD_CREATURE_SWITCH,
4442
4443   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
4444   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
4445   EL_BD_EXPANDABLE_STEELWALL_ANY,
4446   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
4447
4448   EL_BD_BITER_SWITCH_1,
4449   EL_BD_REPLICATOR_SWITCH,
4450   EL_BD_CONVEYOR_SWITCH,
4451   EL_BD_CONVEYOR_DIR_SWITCH_RIGHT,
4452
4453   EL_BD_ACID,
4454   EL_BD_FALLING_WALL,
4455   EL_BD_BOX,
4456   EL_BD_TIME_PENALTY,
4457
4458   EL_BD_GRAVESTONE,
4459   EL_BD_ROCK_GLUED,
4460   EL_BD_DIAMOND_GLUED,
4461   EL_BD_DIAMOND_KEY,
4462
4463   EL_BD_TRAPPED_DIAMOND,
4464   EL_BD_CLOCK,
4465   EL_BD_SAND_GLUED,
4466   EL_BD_WATER,
4467
4468   EL_BD_KEY_1,
4469   EL_BD_KEY_2,
4470   EL_BD_KEY_3,
4471   EL_EMPTY,
4472
4473   EL_BD_WALL_KEY_1,
4474   EL_BD_WALL_KEY_2,
4475   EL_BD_WALL_KEY_3,
4476   EL_BD_WALL_DIAMOND,
4477
4478   EL_BD_GATE_1,
4479   EL_BD_GATE_2,
4480   EL_BD_GATE_3,
4481   EL_BD_POT,
4482
4483   EL_BD_GRAVITY_SWITCH,
4484   EL_BD_PNEUMATIC_HAMMER,
4485   EL_BD_TELEPORTER,
4486   EL_BD_SKELETON,
4487
4488   EL_BD_AMOEBA,
4489   EL_BD_AMOEBA_2,
4490   EL_BD_REPLICATOR,
4491   EL_BD_BLADDER_SPENDER,
4492
4493   EL_BD_CONVEYOR_LEFT,
4494   EL_BD_CONVEYOR_RIGHT,
4495   EL_BD_BOMB,
4496   EL_BD_NITRO_PACK,
4497
4498   EL_BD_LAVA,
4499   EL_BD_SWEET,
4500   EL_BD_VOODOO_DOLL,
4501   EL_BD_SLIME,
4502
4503   EL_BD_BLADDER,
4504   EL_BD_WAITING_ROCK,
4505   EL_BD_CHASING_ROCK,
4506   EL_BD_GHOST,
4507
4508   EL_BD_PLAYER,
4509   EL_BD_PLAYER_WITH_BOMB,
4510   EL_BD_PLAYER_GLUED,
4511   EL_BD_PLAYER_STIRRING,
4512 };
4513 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
4514 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
4515 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
4516 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
4517
4518 static int editor_hl_emerald_mine[] =
4519 {
4520   EL_INTERNAL_CASCADE_EM_ACTIVE,
4521   EL_CHAR('E'),
4522   EL_CHAR('M'),
4523   EL_EMPTY,
4524 };
4525
4526 static int editor_el_emerald_mine[] =
4527 {
4528   EL_SAND,
4529   EL_ROCK,
4530   EL_QUICKSAND_EMPTY,
4531   EL_QUICKSAND_FULL,
4532
4533   EL_STEELWALL,
4534   EL_WALL,
4535   EL_WALL_SLIPPERY,
4536   EL_MAGIC_WALL,
4537
4538   EL_EMERALD,
4539   EL_DIAMOND,
4540   EL_NUT,
4541   EL_BOMB,
4542
4543   EL_EM_DYNAMITE,
4544   EL_EM_DYNAMITE_ACTIVE,
4545   EL_EM_EXIT_CLOSED,
4546   EL_EM_EXIT_OPEN,
4547
4548   EL_YAMYAM_UP,
4549   EL_BUG_UP,
4550   EL_SPACESHIP_UP,
4551   EL_ROBOT,
4552
4553   EL_BUG_LEFT,
4554   EL_SPACESHIP_LEFT,
4555   EL_BUG_RIGHT,
4556   EL_SPACESHIP_RIGHT,
4557
4558   EL_ROBOT_WHEEL,
4559   EL_BUG_DOWN,
4560   EL_SPACESHIP_DOWN,
4561   EL_INVISIBLE_WALL,
4562
4563   EL_ACID_POOL_TOPLEFT,
4564   EL_ACID,
4565   EL_ACID_POOL_TOPRIGHT,
4566   EL_AMOEBA_DROP,
4567
4568   EL_ACID_POOL_BOTTOMLEFT,
4569   EL_ACID_POOL_BOTTOM,
4570   EL_ACID_POOL_BOTTOMRIGHT,
4571   EL_AMOEBA_WET,
4572
4573   EL_EM_KEY_1,
4574   EL_EM_KEY_2,
4575   EL_EM_KEY_3,
4576   EL_EM_KEY_4,
4577
4578   EL_EM_GATE_1,
4579   EL_EM_GATE_2,
4580   EL_EM_GATE_3,
4581   EL_EM_GATE_4,
4582
4583   EL_EM_GATE_1_GRAY,
4584   EL_EM_GATE_2_GRAY,
4585   EL_EM_GATE_3_GRAY,
4586   EL_EM_GATE_4_GRAY,
4587 };
4588 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4589 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4590 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4591 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4592
4593 static int editor_hl_emerald_mine_club[] =
4594 {
4595   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4596   EL_CHAR('E'),
4597   EL_CHAR('M'),
4598   EL_CHAR('C'),
4599 };
4600
4601 static int editor_el_emerald_mine_club[] =
4602 {
4603   EL_EMC_KEY_5,
4604   EL_EMC_KEY_6,
4605   EL_EMC_KEY_7,
4606   EL_EMC_KEY_8,
4607
4608   EL_EMC_GATE_5,
4609   EL_EMC_GATE_6,
4610   EL_EMC_GATE_7,
4611   EL_EMC_GATE_8,
4612
4613   EL_EMC_GATE_5_GRAY,
4614   EL_EMC_GATE_6_GRAY,
4615   EL_EMC_GATE_7_GRAY,
4616   EL_EMC_GATE_8_GRAY,
4617
4618   EL_EMC_STEELWALL_1,
4619   EL_EMC_STEELWALL_2,
4620   EL_EMC_STEELWALL_3,
4621   EL_EMC_STEELWALL_4,
4622
4623   EL_EMC_WALL_13,
4624   EL_EMC_WALL_14,
4625   EL_EMC_WALL_15,
4626   EL_EMC_WALL_16,
4627
4628   EL_EMC_WALL_SLIPPERY_1,
4629   EL_EMC_WALL_SLIPPERY_2,
4630   EL_EMC_WALL_SLIPPERY_3,
4631   EL_EMC_WALL_SLIPPERY_4,
4632
4633   EL_EMC_WALL_1,
4634   EL_EMC_WALL_2,
4635   EL_EMC_WALL_3,
4636   EL_EMC_WALL_4,
4637
4638   EL_EMC_WALL_5,
4639   EL_EMC_WALL_6,
4640   EL_EMC_WALL_7,
4641   EL_EMC_WALL_8,
4642
4643   EL_EMC_WALL_9,
4644   EL_EMC_WALL_10,
4645   EL_EMC_WALL_11,
4646   EL_EMC_WALL_12,
4647
4648   EL_EMC_GRASS,
4649   EL_EMC_FAKE_GRASS,
4650   EL_EMC_PLANT,
4651   EL_EMC_DRIPPER,
4652
4653   EL_EMC_MAGIC_BALL,
4654   EL_EMC_MAGIC_BALL_SWITCH,
4655   EL_EMC_LENSES,
4656   EL_EMC_MAGNIFIER,
4657
4658   EL_SPRING_LEFT,
4659   EL_SPRING,
4660   EL_SPRING_RIGHT,
4661   EL_EMC_SPRING_BUMPER,
4662
4663   EL_BALLOON,
4664   EL_YAMYAM_UP,
4665   EL_BALLOON_SWITCH_UP,
4666   EL_BALLOON_SWITCH_ANY,
4667
4668   EL_YAMYAM_LEFT,
4669   EL_BALLOON_SWITCH_LEFT,
4670   EL_YAMYAM_RIGHT,
4671   EL_BALLOON_SWITCH_RIGHT,
4672
4673   EL_EMC_ANDROID,
4674   EL_YAMYAM_DOWN,
4675   EL_BALLOON_SWITCH_DOWN,
4676   EL_BALLOON_SWITCH_NONE,
4677 };
4678 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4679 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4680 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4681 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4682
4683 static int editor_hl_rnd[] =
4684 {
4685   EL_INTERNAL_CASCADE_RND_ACTIVE,
4686   EL_CHAR('R'),
4687   EL_CHAR('N'),
4688   EL_CHAR('D'),
4689 };
4690
4691 static int editor_el_rnd[] =
4692 {
4693   EL_DYNAMITE,                  // RND
4694   EL_DYNAMITE_ACTIVE,           // RND
4695   EL_EMPTY,
4696   EL_EMPTY,
4697
4698   EL_KEY_1,
4699   EL_KEY_2,
4700   EL_KEY_3,
4701   EL_KEY_4,
4702
4703   EL_GATE_1,
4704   EL_GATE_2,
4705   EL_GATE_3,
4706   EL_GATE_4,
4707
4708   EL_GATE_1_GRAY,
4709   EL_GATE_2_GRAY,
4710   EL_GATE_3_GRAY,
4711   EL_GATE_4_GRAY,
4712
4713   EL_ARROW_LEFT,
4714   EL_ARROW_RIGHT,
4715   EL_ARROW_UP,
4716   EL_ARROW_DOWN,
4717
4718   EL_AMOEBA_DEAD,
4719   EL_AMOEBA_DRY,
4720   EL_AMOEBA_FULL,
4721   EL_GAME_OF_LIFE,
4722
4723   EL_EMERALD_YELLOW,
4724   EL_EMERALD_RED,
4725   EL_EMERALD_PURPLE,
4726   EL_BIOMAZE,
4727
4728   EL_WALL_EMERALD_YELLOW,
4729   EL_WALL_EMERALD_RED,
4730   EL_WALL_EMERALD_PURPLE,
4731   EL_WALL_BD_DIAMOND,
4732
4733   EL_SPEED_PILL,
4734   EL_PACMAN_UP,
4735   EL_TIME_ORB_FULL,
4736   EL_TIME_ORB_EMPTY,
4737
4738   EL_PACMAN_LEFT,
4739   EL_DARK_YAMYAM,
4740   EL_PACMAN_RIGHT,
4741   EL_YAMYAM,                    // RND
4742
4743   EL_BLACK_ORB,
4744   EL_PACMAN_DOWN,
4745   EL_LAMP,
4746   EL_LAMP_ACTIVE,
4747
4748   EL_DYNABOMB_INCREASE_NUMBER,
4749   EL_DYNABOMB_INCREASE_SIZE,
4750   EL_DYNABOMB_INCREASE_POWER,
4751   EL_STONEBLOCK,
4752
4753   EL_MOLE,
4754   EL_PENGUIN,
4755   EL_PIG,
4756   EL_DRAGON,
4757
4758   EL_BUG,
4759   EL_MOLE_UP,
4760   EL_BD_BUTTERFLY,
4761   EL_BD_FIREFLY,
4762
4763   EL_MOLE_LEFT,
4764   EL_SATELLITE,
4765   EL_MOLE_RIGHT,
4766   EL_PACMAN,
4767
4768   EL_SPACESHIP,
4769   EL_MOLE_DOWN,
4770   EL_INVISIBLE_STEELWALL,
4771   EL_INVISIBLE_WALL,
4772
4773   EL_EXPANDABLE_WALL,
4774   EL_EXPANDABLE_WALL_HORIZONTAL,
4775   EL_EXPANDABLE_WALL_VERTICAL,
4776   EL_EXPANDABLE_WALL_ANY,
4777 };
4778 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4779 static int *editor_el_rnd_ptr = editor_el_rnd;
4780 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4781 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4782
4783 static int editor_hl_sokoban[] =
4784 {
4785   EL_INTERNAL_CASCADE_SB_ACTIVE,
4786   EL_CHAR('S'),
4787   EL_CHAR('B'),
4788   EL_EMPTY,
4789 };
4790
4791 static int editor_el_sokoban[] =
4792 {
4793   EL_SOKOBAN_OBJECT,
4794   EL_SOKOBAN_FIELD_EMPTY,
4795   EL_SOKOBAN_FIELD_FULL,
4796   EL_SOKOBAN_FIELD_PLAYER,
4797 };
4798 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4799 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4800 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4801 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4802
4803 static int editor_hl_supaplex[] =
4804 {
4805   EL_INTERNAL_CASCADE_SP_ACTIVE,
4806   EL_CHAR('S'),
4807   EL_CHAR('P'),
4808   EL_EMPTY,
4809 };
4810
4811 static int editor_el_supaplex[] =
4812 {
4813   EL_SP_MURPHY,
4814   EL_EMPTY,
4815   EL_SP_BASE,
4816   EL_SP_BUGGY_BASE,
4817
4818   EL_SP_INFOTRON,
4819   EL_SP_ZONK,
4820   EL_SP_SNIKSNAK,
4821   EL_SP_ELECTRON,
4822
4823   EL_SP_DISK_RED,
4824   EL_SP_DISK_ORANGE,
4825   EL_SP_DISK_YELLOW,
4826   EL_SP_TERMINAL,
4827
4828   EL_SP_EXIT_CLOSED,
4829   EL_SP_PORT_HORIZONTAL,
4830   EL_SP_PORT_VERTICAL,
4831   EL_SP_PORT_ANY,
4832
4833   EL_SP_PORT_LEFT,
4834   EL_SP_PORT_RIGHT,
4835   EL_SP_PORT_UP,
4836   EL_SP_PORT_DOWN,
4837
4838   EL_SP_GRAVITY_PORT_LEFT,
4839   EL_SP_GRAVITY_PORT_RIGHT,
4840   EL_SP_GRAVITY_PORT_UP,
4841   EL_SP_GRAVITY_PORT_DOWN,
4842
4843   EL_SP_GRAVITY_ON_PORT_LEFT,
4844   EL_SP_GRAVITY_ON_PORT_RIGHT,
4845   EL_SP_GRAVITY_ON_PORT_UP,
4846   EL_SP_GRAVITY_ON_PORT_DOWN,
4847
4848   EL_SP_GRAVITY_OFF_PORT_LEFT,
4849   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4850   EL_SP_GRAVITY_OFF_PORT_UP,
4851   EL_SP_GRAVITY_OFF_PORT_DOWN,
4852
4853   EL_SP_HARDWARE_GRAY,
4854   EL_SP_HARDWARE_GREEN,
4855   EL_SP_HARDWARE_BLUE,
4856   EL_SP_HARDWARE_RED,
4857
4858   EL_SP_HARDWARE_BASE_1,
4859   EL_SP_HARDWARE_BASE_2,
4860   EL_SP_HARDWARE_BASE_3,
4861   EL_SP_HARDWARE_BASE_4,
4862
4863   EL_SP_HARDWARE_BASE_5,
4864   EL_SP_HARDWARE_BASE_6,
4865   EL_SP_HARDWARE_YELLOW,
4866   EL_SP_CHIP_TOP,
4867
4868   EL_SP_CHIP_SINGLE,
4869   EL_SP_CHIP_LEFT,
4870   EL_SP_CHIP_RIGHT,
4871   EL_SP_CHIP_BOTTOM,
4872 };
4873 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4874 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4875 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4876 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4877
4878 static int editor_hl_diamond_caves[] =
4879 {
4880   EL_INTERNAL_CASCADE_DC_ACTIVE,
4881   EL_CHAR('D'),
4882   EL_CHAR('C'),
4883   EL_CHAR('2'),
4884 };
4885
4886 static int editor_el_diamond_caves[] =
4887 {
4888   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4889   EL_EM_STEEL_EXIT_OPEN,        // DC2
4890   EL_WALL_EMERALD,              // DC2
4891   EL_WALL_DIAMOND,              // DC2
4892
4893   EL_PEARL,
4894   EL_CRYSTAL,
4895   EL_WALL_PEARL,
4896   EL_WALL_CRYSTAL,
4897
4898   EL_CONVEYOR_BELT_1_LEFT,
4899   EL_CONVEYOR_BELT_1_MIDDLE,
4900   EL_CONVEYOR_BELT_1_RIGHT,
4901   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4902
4903   EL_CONVEYOR_BELT_2_LEFT,
4904   EL_CONVEYOR_BELT_2_MIDDLE,
4905   EL_CONVEYOR_BELT_2_RIGHT,
4906   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4907
4908   EL_CONVEYOR_BELT_3_LEFT,
4909   EL_CONVEYOR_BELT_3_MIDDLE,
4910   EL_CONVEYOR_BELT_3_RIGHT,
4911   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4912
4913   EL_CONVEYOR_BELT_4_LEFT,
4914   EL_CONVEYOR_BELT_4_MIDDLE,
4915   EL_CONVEYOR_BELT_4_RIGHT,
4916   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4917
4918   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4919   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4920   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4921   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4922
4923   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4924   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4925   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4926   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4927
4928   EL_TIMEGATE_CLOSED,
4929   EL_TIMEGATE_OPEN,
4930   EL_TIMEGATE_SWITCH,
4931   EL_DC_TIMEGATE_SWITCH,
4932
4933   EL_SWITCHGATE_CLOSED,
4934   EL_SWITCHGATE_OPEN,
4935   EL_SWITCHGATE_SWITCH_UP,
4936   EL_SWITCHGATE_SWITCH_DOWN,
4937
4938   EL_LIGHT_SWITCH,
4939   EL_LIGHT_SWITCH_ACTIVE,
4940   EL_DC_SWITCHGATE_SWITCH_UP,
4941   EL_DC_SWITCHGATE_SWITCH_DOWN,
4942
4943   EL_STEEL_EXIT_CLOSED,
4944   EL_STEEL_EXIT_OPEN,
4945   EL_STEELWALL_SLIPPERY,
4946   EL_INVISIBLE_SAND,
4947
4948   EL_QUICKSAND_FAST_EMPTY,
4949   EL_QUICKSAND_FAST_FULL,
4950   EL_LANDMINE,
4951   EL_DC_LANDMINE,
4952
4953   EL_SHIELD_NORMAL,
4954   EL_SHIELD_DEADLY,
4955   EL_EXTRA_TIME,
4956   EL_DC_MAGIC_WALL,
4957
4958   EL_ENVELOPE_1,
4959   EL_ENVELOPE_2,
4960   EL_ENVELOPE_3,
4961   EL_ENVELOPE_4,
4962
4963   EL_SIGN_RADIOACTIVITY,
4964   EL_SIGN_WHEELCHAIR,
4965   EL_SIGN_PARKING,
4966   EL_SIGN_NO_ENTRY,
4967
4968   EL_SIGN_GIVE_WAY,
4969   EL_SIGN_ENTRY_FORBIDDEN,
4970   EL_SIGN_EMERGENCY_EXIT,
4971   EL_SIGN_YIN_YANG,
4972
4973 #if 0
4974   EL_SIGN_SPERMS,
4975   EL_SIGN_BULLET,
4976   EL_SIGN_HEART,
4977   EL_SIGN_CROSS,
4978
4979   EL_SIGN_FRANKIE,
4980   EL_EMPTY,
4981   EL_EMPTY,
4982   EL_EMPTY,
4983
4984   EL_SPERMS,
4985   EL_BULLET,
4986   EL_HEART,
4987   EL_CROSS,
4988
4989   EL_FRANKIE,
4990   EL_EMPTY,
4991   EL_EMPTY,
4992   EL_EMPTY,
4993 #endif
4994
4995   EL_DC_STEELWALL_2_SINGLE,
4996   EL_DC_STEELWALL_2_TOP,
4997   EL_SIGN_EXCLAMATION,
4998   EL_SIGN_STOP,
4999
5000   EL_DC_STEELWALL_2_LEFT,
5001   EL_DC_STEELWALL_2_MIDDLE,
5002   EL_DC_STEELWALL_2_HORIZONTAL,
5003   EL_DC_STEELWALL_2_RIGHT,
5004
5005   EL_DC_STEELWALL_1_TOPLEFT,
5006   EL_DC_STEELWALL_2_VERTICAL,
5007   EL_DC_STEELWALL_1_TOPRIGHT,
5008   EL_DC_GATE_WHITE,
5009
5010   EL_DC_STEELWALL_1_VERTICAL,
5011   EL_DC_STEELWALL_2_BOTTOM,
5012   EL_DC_KEY_WHITE,
5013   EL_DC_GATE_WHITE_GRAY,
5014
5015   EL_DC_STEELWALL_1_BOTTOMLEFT,
5016   EL_DC_STEELWALL_1_HORIZONTAL,
5017   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5018   EL_DC_GATE_FAKE_GRAY,
5019
5020   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5021   EL_DC_STEELWALL_1_BOTTOM,
5022   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5023   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5024
5025   EL_DC_STEELWALL_1_RIGHT,
5026   EL_EMPTY,
5027   EL_DC_STEELWALL_1_LEFT,
5028   EL_EXPANDABLE_STEELWALL_VERTICAL,
5029
5030   EL_DC_STEELWALL_1_TOPRIGHT_2,
5031   EL_DC_STEELWALL_1_TOP,
5032   EL_DC_STEELWALL_1_TOPLEFT_2,
5033   EL_EXPANDABLE_STEELWALL_ANY,
5034 };
5035 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5036 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5037 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5038 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5039
5040 static int editor_hl_dx_boulderdash[] =
5041 {
5042   EL_INTERNAL_CASCADE_DX_ACTIVE,
5043   EL_CHAR('D'),
5044   EL_CHAR('X'),
5045   EL_EMPTY,
5046 };
5047
5048 static int editor_el_dx_boulderdash[] =
5049 {
5050   EL_EMPTY,
5051   EL_TUBE_RIGHT_DOWN,
5052   EL_TUBE_HORIZONTAL_DOWN,
5053   EL_TUBE_LEFT_DOWN,
5054
5055   EL_TUBE_HORIZONTAL,
5056   EL_TUBE_VERTICAL_RIGHT,
5057   EL_TUBE_ANY,
5058   EL_TUBE_VERTICAL_LEFT,
5059
5060   EL_TUBE_VERTICAL,
5061   EL_TUBE_RIGHT_UP,
5062   EL_TUBE_HORIZONTAL_UP,
5063   EL_TUBE_LEFT_UP,
5064
5065   EL_TRAP,
5066   EL_DX_SUPABOMB,
5067   EL_EMPTY,
5068   EL_EMPTY
5069 };
5070 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5071 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5072 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5073 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5074
5075 static int editor_hl_mirror_magic[] =
5076 {
5077   EL_INTERNAL_CASCADE_MM_ACTIVE,
5078   EL_CHAR('M'),
5079   EL_CHAR('M'),
5080   EL_EMPTY,
5081 };
5082
5083 static int editor_el_mirror_magic[] =
5084 {
5085   EL_MM_MCDUFFIN_RIGHT,
5086   EL_MM_MCDUFFIN_UP,
5087   EL_MM_MCDUFFIN_LEFT,
5088   EL_MM_MCDUFFIN_DOWN,
5089
5090   EL_MM_MIRROR_START,
5091   EL_MM_MIRROR_FIXED_START,
5092   EL_MM_POLARIZER_START,
5093   EL_MM_POLARIZER_CROSS_START,
5094
5095   EL_MM_TELEPORTER_RED_START,
5096   EL_MM_TELEPORTER_YELLOW_START,
5097   EL_MM_TELEPORTER_GREEN_START,
5098   EL_MM_TELEPORTER_BLUE_START,
5099
5100   EL_MM_PRISM,
5101   EL_MM_FUSE_ACTIVE,
5102   EL_MM_PACMAN_RIGHT,
5103   EL_MM_EXIT_CLOSED,
5104
5105   EL_MM_KETTLE,
5106   EL_MM_BOMB,
5107   EL_MM_KEY,
5108   EL_MM_FUEL_FULL,
5109
5110   EL_MM_LIGHTBULB,
5111   EL_MM_LIGHTBULB_ACTIVE,
5112   EL_MM_GRAY_BALL,
5113   EL_MM_LIGHTBALL,
5114
5115   EL_MM_STEEL_WALL,
5116   EL_MM_WOODEN_WALL,
5117   EL_MM_ICE_WALL,
5118   EL_MM_AMOEBA_WALL,
5119
5120   EL_MM_STEEL_LOCK,
5121   EL_MM_WOODEN_LOCK,
5122   EL_MM_STEEL_BLOCK,
5123   EL_MM_WOODEN_BLOCK,
5124
5125   EL_MM_STEEL_GRID_FIXED_1,
5126   EL_MM_STEEL_GRID_FIXED_2,
5127   EL_MM_STEEL_GRID_FIXED_3,
5128   EL_MM_STEEL_GRID_FIXED_4,
5129
5130   EL_MM_WOODEN_GRID_FIXED_1,
5131   EL_MM_WOODEN_GRID_FIXED_2,
5132   EL_MM_WOODEN_GRID_FIXED_3,
5133   EL_MM_WOODEN_GRID_FIXED_4,
5134
5135   EL_MM_ENVELOPE_1,
5136   EL_MM_ENVELOPE_2,
5137   EL_MM_ENVELOPE_3,
5138   EL_MM_ENVELOPE_4
5139 };
5140 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5141 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5142 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5143 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5144
5145 static int editor_hl_deflektor[] =
5146 {
5147   EL_INTERNAL_CASCADE_DF_ACTIVE,
5148   EL_CHAR('D'),
5149   EL_CHAR('F'),
5150   EL_EMPTY,
5151 };
5152
5153 static int editor_el_deflektor[] =
5154 {
5155   EL_DF_LASER_RIGHT,
5156   EL_DF_LASER_UP,
5157   EL_DF_LASER_LEFT,
5158   EL_DF_LASER_DOWN,
5159
5160   EL_DF_RECEIVER_RIGHT,
5161   EL_DF_RECEIVER_UP,
5162   EL_DF_RECEIVER_LEFT,
5163   EL_DF_RECEIVER_DOWN,
5164
5165   EL_DF_MIRROR_START,
5166   EL_DF_MIRROR_ROTATING_START,
5167   EL_DF_MIRROR_FIXED_START,
5168   EL_DF_CELL,
5169
5170   EL_DF_FIBRE_OPTIC_RED_1,
5171   EL_DF_FIBRE_OPTIC_YELLOW_1,
5172   EL_DF_FIBRE_OPTIC_GREEN_1,
5173   EL_DF_FIBRE_OPTIC_BLUE_1,
5174
5175   EL_DF_STEEL_GRID_FIXED_START,
5176   EL_DF_STEEL_GRID_ROTATING_START,
5177   EL_DF_WOODEN_GRID_FIXED_START,
5178   EL_DF_WOODEN_GRID_ROTATING_START,
5179
5180   EL_DF_STEEL_WALL,
5181   EL_DF_WOODEN_WALL,
5182   EL_DF_REFRACTOR,
5183   EL_DF_MINE,
5184
5185   EL_DF_SLOPE_1,
5186   EL_DF_SLOPE_2,
5187   EL_DF_SLOPE_3,
5188   EL_DF_SLOPE_4
5189 };
5190 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5191 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5192 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5193 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5194
5195 static int editor_hl_chars[] =
5196 {
5197   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5198   EL_CHAR('T'),
5199   EL_CHAR('X'),
5200   EL_CHAR('T'),
5201 };
5202
5203 static int editor_el_chars[] =
5204 {
5205   EL_CHAR(' '),
5206   EL_CHAR('!'),
5207   EL_CHAR('"'),
5208   EL_CHAR('#'),
5209
5210   EL_CHAR('$'),
5211   EL_CHAR('%'),
5212   EL_CHAR('&'),
5213   EL_CHAR('\''),
5214
5215   EL_CHAR('('),
5216   EL_CHAR(')'),
5217   EL_CHAR('*'),
5218   EL_CHAR('+'),
5219
5220   EL_CHAR(','),
5221   EL_CHAR('-'),
5222   EL_CHAR('.'),
5223   EL_CHAR('/'),
5224
5225   EL_CHAR('0'),
5226   EL_CHAR('1'),
5227   EL_CHAR('2'),
5228   EL_CHAR('3'),
5229
5230   EL_CHAR('4'),
5231   EL_CHAR('5'),
5232   EL_CHAR('6'),
5233   EL_CHAR('7'),
5234
5235   EL_CHAR('8'),
5236   EL_CHAR('9'),
5237   EL_CHAR(':'),
5238   EL_CHAR(';'),
5239
5240   EL_CHAR('<'),
5241   EL_CHAR('='),
5242   EL_CHAR('>'),
5243   EL_CHAR('?'),
5244
5245   EL_CHAR('@'),
5246   EL_CHAR('A'),
5247   EL_CHAR('B'),
5248   EL_CHAR('C'),
5249
5250   EL_CHAR('D'),
5251   EL_CHAR('E'),
5252   EL_CHAR('F'),
5253   EL_CHAR('G'),
5254
5255   EL_CHAR('H'),
5256   EL_CHAR('I'),
5257   EL_CHAR('J'),
5258   EL_CHAR('K'),
5259
5260   EL_CHAR('L'),
5261   EL_CHAR('M'),
5262   EL_CHAR('N'),
5263   EL_CHAR('O'),
5264
5265   EL_CHAR('P'),
5266   EL_CHAR('Q'),
5267   EL_CHAR('R'),
5268   EL_CHAR('S'),
5269
5270   EL_CHAR('T'),
5271   EL_CHAR('U'),
5272   EL_CHAR('V'),
5273   EL_CHAR('W'),
5274
5275   EL_CHAR('X'),
5276   EL_CHAR('Y'),
5277   EL_CHAR('Z'),
5278   EL_CHAR('['),
5279
5280   EL_CHAR('\\'),
5281   EL_CHAR(']'),
5282   EL_CHAR('^'),
5283   EL_CHAR('_'),
5284
5285   EL_CHAR(CHAR_BYTE_COPYRIGHT),
5286   EL_CHAR(CHAR_BYTE_UMLAUT_A),
5287   EL_CHAR(CHAR_BYTE_UMLAUT_O),
5288   EL_CHAR(CHAR_BYTE_UMLAUT_U),
5289
5290   EL_CHAR(CHAR_BYTE_DEGREE),
5291   EL_CHAR(CHAR_BYTE_REGISTERED),
5292   EL_CHAR(FONT_ASCII_CURSOR),
5293   EL_CHAR(FONT_ASCII_BUTTON),
5294
5295   EL_CHAR(FONT_ASCII_UP),
5296   EL_CHAR(FONT_ASCII_DOWN),
5297   EL_CHAR(' '),
5298   EL_CHAR(' ')
5299 };
5300 static int *editor_hl_chars_ptr = editor_hl_chars;
5301 static int *editor_el_chars_ptr = editor_el_chars;
5302 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
5303 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
5304
5305 static int editor_hl_steel_chars[] =
5306 {
5307   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
5308   EL_STEEL_CHAR('T'),
5309   EL_STEEL_CHAR('X'),
5310   EL_STEEL_CHAR('T'),
5311 };
5312
5313 static int editor_el_steel_chars[] =
5314 {
5315   EL_STEEL_CHAR(' '),
5316   EL_STEEL_CHAR('!'),
5317   EL_STEEL_CHAR('"'),
5318   EL_STEEL_CHAR('#'),
5319
5320   EL_STEEL_CHAR('$'),
5321   EL_STEEL_CHAR('%'),
5322   EL_STEEL_CHAR('&'),
5323   EL_STEEL_CHAR('\''),
5324
5325   EL_STEEL_CHAR('('),
5326   EL_STEEL_CHAR(')'),
5327   EL_STEEL_CHAR('*'),
5328   EL_STEEL_CHAR('+'),
5329
5330   EL_STEEL_CHAR(','),
5331   EL_STEEL_CHAR('-'),
5332   EL_STEEL_CHAR('.'),
5333   EL_STEEL_CHAR('/'),
5334
5335   EL_STEEL_CHAR('0'),
5336   EL_STEEL_CHAR('1'),
5337   EL_STEEL_CHAR('2'),
5338   EL_STEEL_CHAR('3'),
5339
5340   EL_STEEL_CHAR('4'),
5341   EL_STEEL_CHAR('5'),
5342   EL_STEEL_CHAR('6'),
5343   EL_STEEL_CHAR('7'),
5344
5345   EL_STEEL_CHAR('8'),
5346   EL_STEEL_CHAR('9'),
5347   EL_STEEL_CHAR(':'),
5348   EL_STEEL_CHAR(';'),
5349
5350   EL_STEEL_CHAR('<'),
5351   EL_STEEL_CHAR('='),
5352   EL_STEEL_CHAR('>'),
5353   EL_STEEL_CHAR('?'),
5354
5355   EL_STEEL_CHAR('@'),
5356   EL_STEEL_CHAR('A'),
5357   EL_STEEL_CHAR('B'),
5358   EL_STEEL_CHAR('C'),
5359
5360   EL_STEEL_CHAR('D'),
5361   EL_STEEL_CHAR('E'),
5362   EL_STEEL_CHAR('F'),
5363   EL_STEEL_CHAR('G'),
5364
5365   EL_STEEL_CHAR('H'),
5366   EL_STEEL_CHAR('I'),
5367   EL_STEEL_CHAR('J'),
5368   EL_STEEL_CHAR('K'),
5369
5370   EL_STEEL_CHAR('L'),
5371   EL_STEEL_CHAR('M'),
5372   EL_STEEL_CHAR('N'),
5373   EL_STEEL_CHAR('O'),
5374
5375   EL_STEEL_CHAR('P'),
5376   EL_STEEL_CHAR('Q'),
5377   EL_STEEL_CHAR('R'),
5378   EL_STEEL_CHAR('S'),
5379
5380   EL_STEEL_CHAR('T'),
5381   EL_STEEL_CHAR('U'),
5382   EL_STEEL_CHAR('V'),
5383   EL_STEEL_CHAR('W'),
5384
5385   EL_STEEL_CHAR('X'),
5386   EL_STEEL_CHAR('Y'),
5387   EL_STEEL_CHAR('Z'),
5388   EL_STEEL_CHAR('['),
5389
5390   EL_STEEL_CHAR('\\'),
5391   EL_STEEL_CHAR(']'),
5392   EL_STEEL_CHAR('^'),
5393   EL_STEEL_CHAR('_'),
5394
5395   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
5396   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
5397   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
5398   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
5399
5400   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
5401   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
5402   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
5403   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
5404
5405   EL_STEEL_CHAR(FONT_ASCII_UP),
5406   EL_STEEL_CHAR(FONT_ASCII_DOWN),
5407   EL_STEEL_CHAR(' '),
5408   EL_STEEL_CHAR(' ')
5409 };
5410 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
5411 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
5412 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
5413 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
5414
5415 static int editor_hl_custom[] =
5416 {
5417   EL_INTERNAL_CASCADE_CE_ACTIVE,
5418   EL_CHAR('C'),
5419   EL_CHAR('E'),
5420   EL_EMPTY,
5421 };
5422
5423 static int editor_el_custom[] =
5424 {
5425   EL_CUSTOM_START + 0,
5426   EL_CUSTOM_START + 1,
5427   EL_CUSTOM_START + 2,
5428   EL_CUSTOM_START + 3,
5429
5430   EL_CUSTOM_START + 4,
5431   EL_CUSTOM_START + 5,
5432   EL_CUSTOM_START + 6,
5433   EL_CUSTOM_START + 7,
5434
5435   EL_CUSTOM_START + 8,
5436   EL_CUSTOM_START + 9,
5437   EL_CUSTOM_START + 10,
5438   EL_CUSTOM_START + 11,
5439
5440   EL_CUSTOM_START + 12,
5441   EL_CUSTOM_START + 13,
5442   EL_CUSTOM_START + 14,
5443   EL_CUSTOM_START + 15,
5444
5445   EL_CUSTOM_START + 16,
5446   EL_CUSTOM_START + 17,
5447   EL_CUSTOM_START + 18,
5448   EL_CUSTOM_START + 19,
5449
5450   EL_CUSTOM_START + 20,
5451   EL_CUSTOM_START + 21,
5452   EL_CUSTOM_START + 22,
5453   EL_CUSTOM_START + 23,
5454
5455   EL_CUSTOM_START + 24,
5456   EL_CUSTOM_START + 25,
5457   EL_CUSTOM_START + 26,
5458   EL_CUSTOM_START + 27,
5459
5460   EL_CUSTOM_START + 28,
5461   EL_CUSTOM_START + 29,
5462   EL_CUSTOM_START + 30,
5463   EL_CUSTOM_START + 31,
5464
5465   EL_CUSTOM_START + 32,
5466   EL_CUSTOM_START + 33,
5467   EL_CUSTOM_START + 34,
5468   EL_CUSTOM_START + 35,
5469
5470   EL_CUSTOM_START + 36,
5471   EL_CUSTOM_START + 37,
5472   EL_CUSTOM_START + 38,
5473   EL_CUSTOM_START + 39,
5474
5475   EL_CUSTOM_START + 40,
5476   EL_CUSTOM_START + 41,
5477   EL_CUSTOM_START + 42,
5478   EL_CUSTOM_START + 43,
5479
5480   EL_CUSTOM_START + 44,
5481   EL_CUSTOM_START + 45,
5482   EL_CUSTOM_START + 46,
5483   EL_CUSTOM_START + 47,
5484
5485   EL_CUSTOM_START + 48,
5486   EL_CUSTOM_START + 49,
5487   EL_CUSTOM_START + 50,
5488   EL_CUSTOM_START + 51,
5489
5490   EL_CUSTOM_START + 52,
5491   EL_CUSTOM_START + 53,
5492   EL_CUSTOM_START + 54,
5493   EL_CUSTOM_START + 55,
5494
5495   EL_CUSTOM_START + 56,
5496   EL_CUSTOM_START + 57,
5497   EL_CUSTOM_START + 58,
5498   EL_CUSTOM_START + 59,
5499
5500   EL_CUSTOM_START + 60,
5501   EL_CUSTOM_START + 61,
5502   EL_CUSTOM_START + 62,
5503   EL_CUSTOM_START + 63,
5504
5505   EL_CUSTOM_START + 64,
5506   EL_CUSTOM_START + 65,
5507   EL_CUSTOM_START + 66,
5508   EL_CUSTOM_START + 67,
5509
5510   EL_CUSTOM_START + 68,
5511   EL_CUSTOM_START + 69,
5512   EL_CUSTOM_START + 70,
5513   EL_CUSTOM_START + 71,
5514
5515   EL_CUSTOM_START + 72,
5516   EL_CUSTOM_START + 73,
5517   EL_CUSTOM_START + 74,
5518   EL_CUSTOM_START + 75,
5519
5520   EL_CUSTOM_START + 76,
5521   EL_CUSTOM_START + 77,
5522   EL_CUSTOM_START + 78,
5523   EL_CUSTOM_START + 79,
5524
5525   EL_CUSTOM_START + 80,
5526   EL_CUSTOM_START + 81,
5527   EL_CUSTOM_START + 82,
5528   EL_CUSTOM_START + 83,
5529
5530   EL_CUSTOM_START + 84,
5531   EL_CUSTOM_START + 85,
5532   EL_CUSTOM_START + 86,
5533   EL_CUSTOM_START + 87,
5534
5535   EL_CUSTOM_START + 88,
5536   EL_CUSTOM_START + 89,
5537   EL_CUSTOM_START + 90,
5538   EL_CUSTOM_START + 91,
5539
5540   EL_CUSTOM_START + 92,
5541   EL_CUSTOM_START + 93,
5542   EL_CUSTOM_START + 94,
5543   EL_CUSTOM_START + 95,
5544
5545   EL_CUSTOM_START + 96,
5546   EL_CUSTOM_START + 97,
5547   EL_CUSTOM_START + 98,
5548   EL_CUSTOM_START + 99,
5549
5550   EL_CUSTOM_START + 100,
5551   EL_CUSTOM_START + 101,
5552   EL_CUSTOM_START + 102,
5553   EL_CUSTOM_START + 103,
5554
5555   EL_CUSTOM_START + 104,
5556   EL_CUSTOM_START + 105,
5557   EL_CUSTOM_START + 106,
5558   EL_CUSTOM_START + 107,
5559
5560   EL_CUSTOM_START + 108,
5561   EL_CUSTOM_START + 109,
5562   EL_CUSTOM_START + 110,
5563   EL_CUSTOM_START + 111,
5564
5565   EL_CUSTOM_START + 112,
5566   EL_CUSTOM_START + 113,
5567   EL_CUSTOM_START + 114,
5568   EL_CUSTOM_START + 115,
5569
5570   EL_CUSTOM_START + 116,
5571   EL_CUSTOM_START + 117,
5572   EL_CUSTOM_START + 118,
5573   EL_CUSTOM_START + 119,
5574
5575   EL_CUSTOM_START + 120,
5576   EL_CUSTOM_START + 121,
5577   EL_CUSTOM_START + 122,
5578   EL_CUSTOM_START + 123,
5579
5580   EL_CUSTOM_START + 124,
5581   EL_CUSTOM_START + 125,
5582   EL_CUSTOM_START + 126,
5583   EL_CUSTOM_START + 127,
5584
5585   EL_CUSTOM_START + 128,
5586   EL_CUSTOM_START + 129,
5587   EL_CUSTOM_START + 130,
5588   EL_CUSTOM_START + 131,
5589
5590   EL_CUSTOM_START + 132,
5591   EL_CUSTOM_START + 133,
5592   EL_CUSTOM_START + 134,
5593   EL_CUSTOM_START + 135,
5594
5595   EL_CUSTOM_START + 136,
5596   EL_CUSTOM_START + 137,
5597   EL_CUSTOM_START + 138,
5598   EL_CUSTOM_START + 139,
5599
5600   EL_CUSTOM_START + 140,
5601   EL_CUSTOM_START + 141,
5602   EL_CUSTOM_START + 142,
5603   EL_CUSTOM_START + 143,
5604
5605   EL_CUSTOM_START + 144,
5606   EL_CUSTOM_START + 145,
5607   EL_CUSTOM_START + 146,
5608   EL_CUSTOM_START + 147,
5609
5610   EL_CUSTOM_START + 148,
5611   EL_CUSTOM_START + 149,
5612   EL_CUSTOM_START + 150,
5613   EL_CUSTOM_START + 151,
5614
5615   EL_CUSTOM_START + 152,
5616   EL_CUSTOM_START + 153,
5617   EL_CUSTOM_START + 154,
5618   EL_CUSTOM_START + 155,
5619
5620   EL_CUSTOM_START + 156,
5621   EL_CUSTOM_START + 157,
5622   EL_CUSTOM_START + 158,
5623   EL_CUSTOM_START + 159,
5624
5625   EL_CUSTOM_START + 160,
5626   EL_CUSTOM_START + 161,
5627   EL_CUSTOM_START + 162,
5628   EL_CUSTOM_START + 163,
5629
5630   EL_CUSTOM_START + 164,
5631   EL_CUSTOM_START + 165,
5632   EL_CUSTOM_START + 166,
5633   EL_CUSTOM_START + 167,
5634
5635   EL_CUSTOM_START + 168,
5636   EL_CUSTOM_START + 169,
5637   EL_CUSTOM_START + 170,
5638   EL_CUSTOM_START + 171,
5639
5640   EL_CUSTOM_START + 172,
5641   EL_CUSTOM_START + 173,
5642   EL_CUSTOM_START + 174,
5643   EL_CUSTOM_START + 175,
5644
5645   EL_CUSTOM_START + 176,
5646   EL_CUSTOM_START + 177,
5647   EL_CUSTOM_START + 178,
5648   EL_CUSTOM_START + 179,
5649
5650   EL_CUSTOM_START + 180,
5651   EL_CUSTOM_START + 181,
5652   EL_CUSTOM_START + 182,
5653   EL_CUSTOM_START + 183,
5654
5655   EL_CUSTOM_START + 184,
5656   EL_CUSTOM_START + 185,
5657   EL_CUSTOM_START + 186,
5658   EL_CUSTOM_START + 187,
5659
5660   EL_CUSTOM_START + 188,
5661   EL_CUSTOM_START + 189,
5662   EL_CUSTOM_START + 190,
5663   EL_CUSTOM_START + 191,
5664
5665   EL_CUSTOM_START + 192,
5666   EL_CUSTOM_START + 193,
5667   EL_CUSTOM_START + 194,
5668   EL_CUSTOM_START + 195,
5669
5670   EL_CUSTOM_START + 196,
5671   EL_CUSTOM_START + 197,
5672   EL_CUSTOM_START + 198,
5673   EL_CUSTOM_START + 199,
5674
5675   EL_CUSTOM_START + 200,
5676   EL_CUSTOM_START + 201,
5677   EL_CUSTOM_START + 202,
5678   EL_CUSTOM_START + 203,
5679
5680   EL_CUSTOM_START + 204,
5681   EL_CUSTOM_START + 205,
5682   EL_CUSTOM_START + 206,
5683   EL_CUSTOM_START + 207,
5684
5685   EL_CUSTOM_START + 208,
5686   EL_CUSTOM_START + 209,
5687   EL_CUSTOM_START + 210,
5688   EL_CUSTOM_START + 211,
5689
5690   EL_CUSTOM_START + 212,
5691   EL_CUSTOM_START + 213,
5692   EL_CUSTOM_START + 214,
5693   EL_CUSTOM_START + 215,
5694
5695   EL_CUSTOM_START + 216,
5696   EL_CUSTOM_START + 217,
5697   EL_CUSTOM_START + 218,
5698   EL_CUSTOM_START + 219,
5699
5700   EL_CUSTOM_START + 220,
5701   EL_CUSTOM_START + 221,
5702   EL_CUSTOM_START + 222,
5703   EL_CUSTOM_START + 223,
5704
5705   EL_CUSTOM_START + 224,
5706   EL_CUSTOM_START + 225,
5707   EL_CUSTOM_START + 226,
5708   EL_CUSTOM_START + 227,
5709
5710   EL_CUSTOM_START + 228,
5711   EL_CUSTOM_START + 229,
5712   EL_CUSTOM_START + 230,
5713   EL_CUSTOM_START + 231,
5714
5715   EL_CUSTOM_START + 232,
5716   EL_CUSTOM_START + 233,
5717   EL_CUSTOM_START + 234,
5718   EL_CUSTOM_START + 235,
5719
5720   EL_CUSTOM_START + 236,
5721   EL_CUSTOM_START + 237,
5722   EL_CUSTOM_START + 238,
5723   EL_CUSTOM_START + 239,
5724
5725   EL_CUSTOM_START + 240,
5726   EL_CUSTOM_START + 241,
5727   EL_CUSTOM_START + 242,
5728   EL_CUSTOM_START + 243,
5729
5730   EL_CUSTOM_START + 244,
5731   EL_CUSTOM_START + 245,
5732   EL_CUSTOM_START + 246,
5733   EL_CUSTOM_START + 247,
5734
5735   EL_CUSTOM_START + 248,
5736   EL_CUSTOM_START + 249,
5737   EL_CUSTOM_START + 250,
5738   EL_CUSTOM_START + 251,
5739
5740   EL_CUSTOM_START + 252,
5741   EL_CUSTOM_START + 253,
5742   EL_CUSTOM_START + 254,
5743   EL_CUSTOM_START + 255
5744 };
5745 static int *editor_hl_custom_ptr = editor_hl_custom;
5746 static int *editor_el_custom_ptr = editor_el_custom;
5747 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5748 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5749
5750 static int editor_hl_group[] =
5751 {
5752   EL_INTERNAL_CASCADE_GE_ACTIVE,
5753   EL_CHAR('G'),
5754   EL_CHAR('E'),
5755   EL_EMPTY,
5756 };
5757
5758 static int editor_el_group[] =
5759 {
5760   EL_GROUP_START + 0,
5761   EL_GROUP_START + 1,
5762   EL_GROUP_START + 2,
5763   EL_GROUP_START + 3,
5764
5765   EL_GROUP_START + 4,
5766   EL_GROUP_START + 5,
5767   EL_GROUP_START + 6,
5768   EL_GROUP_START + 7,
5769
5770   EL_GROUP_START + 8,
5771   EL_GROUP_START + 9,
5772   EL_GROUP_START + 10,
5773   EL_GROUP_START + 11,
5774
5775   EL_GROUP_START + 12,
5776   EL_GROUP_START + 13,
5777   EL_GROUP_START + 14,
5778   EL_GROUP_START + 15,
5779
5780   EL_GROUP_START + 16,
5781   EL_GROUP_START + 17,
5782   EL_GROUP_START + 18,
5783   EL_GROUP_START + 19,
5784
5785   EL_GROUP_START + 20,
5786   EL_GROUP_START + 21,
5787   EL_GROUP_START + 22,
5788   EL_GROUP_START + 23,
5789
5790   EL_GROUP_START + 24,
5791   EL_GROUP_START + 25,
5792   EL_GROUP_START + 26,
5793   EL_GROUP_START + 27,
5794
5795   EL_GROUP_START + 28,
5796   EL_GROUP_START + 29,
5797   EL_GROUP_START + 30,
5798   EL_GROUP_START + 31
5799 };
5800 static int *editor_hl_group_ptr = editor_hl_group;
5801 static int *editor_el_group_ptr = editor_el_group;
5802 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5803 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5804
5805 static int editor_hl_empty_space[] =
5806 {
5807   EL_INTERNAL_CASCADE_ES_ACTIVE,
5808   EL_CHAR('E'),
5809   EL_CHAR('S'),
5810   EL_EMPTY,
5811 };
5812
5813 static int editor_el_empty_space[] =
5814 {
5815   EL_EMPTY_SPACE_1,
5816   EL_EMPTY_SPACE_2,
5817   EL_EMPTY_SPACE_3,
5818   EL_EMPTY_SPACE_4,
5819
5820   EL_EMPTY_SPACE_5,
5821   EL_EMPTY_SPACE_6,
5822   EL_EMPTY_SPACE_7,
5823   EL_EMPTY_SPACE_8,
5824
5825   EL_EMPTY_SPACE_9,
5826   EL_EMPTY_SPACE_10,
5827   EL_EMPTY_SPACE_11,
5828   EL_EMPTY_SPACE_12,
5829
5830   EL_EMPTY_SPACE_13,
5831   EL_EMPTY_SPACE_14,
5832   EL_EMPTY_SPACE_15,
5833   EL_EMPTY_SPACE_16
5834 };
5835 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
5836 static int *editor_el_empty_space_ptr = editor_el_empty_space;
5837 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
5838 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
5839
5840 static int editor_hl_reference[] =
5841 {
5842   EL_INTERNAL_CASCADE_REF_ACTIVE,
5843   EL_CHAR('R'),
5844   EL_CHAR('E'),
5845   EL_CHAR('F')
5846 };
5847
5848 static int editor_el_reference[] =
5849 {
5850   EL_TRIGGER_PLAYER,
5851   EL_TRIGGER_ELEMENT,
5852   EL_TRIGGER_CE_VALUE,
5853   EL_TRIGGER_CE_SCORE,
5854
5855   EL_SELF,
5856   EL_ANY_ELEMENT,
5857   EL_CURRENT_CE_VALUE,
5858   EL_CURRENT_CE_SCORE,
5859
5860   EL_PREV_CE_8,
5861   EL_PREV_CE_7,
5862   EL_PREV_CE_6,
5863   EL_PREV_CE_5,
5864
5865   EL_PREV_CE_4,
5866   EL_PREV_CE_3,
5867   EL_PREV_CE_2,
5868   EL_PREV_CE_1,
5869
5870   EL_NEXT_CE_1,
5871   EL_NEXT_CE_2,
5872   EL_NEXT_CE_3,
5873   EL_NEXT_CE_4,
5874
5875   EL_NEXT_CE_5,
5876   EL_NEXT_CE_6,
5877   EL_NEXT_CE_7,
5878   EL_NEXT_CE_8,
5879 };
5880 static int *editor_hl_reference_ptr = editor_hl_reference;
5881 static int *editor_el_reference_ptr = editor_el_reference;
5882 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5883 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5884
5885 static int editor_hl_user_defined[] =
5886 {
5887   EL_INTERNAL_CASCADE_USER_ACTIVE,
5888   EL_CHAR('M'),
5889   EL_CHAR('Y'),
5890   EL_EMPTY,
5891 };
5892
5893 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5894 static int *editor_el_user_defined_ptr = NULL;
5895 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5896 static int num_editor_el_user_defined = 0;
5897
5898 static int editor_hl_dynamic[] =
5899 {
5900   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5901   EL_CHAR('U'),
5902   EL_CHAR('S'),
5903   EL_CHAR('E'),
5904 };
5905
5906 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5907 static int *editor_el_dynamic_ptr = NULL;
5908 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5909 static int num_editor_el_dynamic = 0;
5910
5911 static int editor_hl_empty[] = { EL_EMPTY };
5912 static int *editor_el_empty = NULL;     // dynamically allocated
5913
5914 static int *editor_hl_empty_ptr = editor_hl_empty;
5915 static int *editor_el_empty_ptr = NULL;
5916 static int num_editor_hl_empty = 0;
5917 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5918
5919 static boolean use_el_empty = FALSE;
5920
5921 static int *editor_elements = NULL;     // dynamically allocated
5922 static int num_editor_elements = 0;     // dynamically determined
5923
5924 static boolean setup_editor_cascade_never = FALSE;
5925
5926 static boolean setup_editor_el_players                  = TRUE;
5927 static boolean setup_editor_el_boulderdash              = TRUE;
5928 static boolean setup_editor_el_boulderdash_native       = TRUE;
5929 static boolean setup_editor_el_emerald_mine             = TRUE;
5930 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5931 static boolean setup_editor_el_more                     = TRUE;
5932 static boolean setup_editor_el_sokoban                  = TRUE;
5933 static boolean setup_editor_el_supaplex                 = TRUE;
5934 static boolean setup_editor_el_diamond_caves            = TRUE;
5935 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5936 static boolean setup_editor_el_mirror_magic             = TRUE;
5937 static boolean setup_editor_el_deflektor                = TRUE;
5938 static boolean setup_editor_el_chars                    = TRUE;
5939 static boolean setup_editor_el_steel_chars              = TRUE;
5940 static boolean setup_editor_el_custom                   = TRUE;
5941 static boolean setup_editor_el_user_defined             = TRUE;
5942 static boolean setup_editor_el_dynamic                  = TRUE;
5943
5944 static int editor_hl_unused[] = { EL_EMPTY };
5945 static int *editor_hl_unused_ptr = editor_hl_unused;
5946 static int num_editor_hl_unused = 0;
5947
5948 static struct
5949 {
5950   boolean *setup_value;
5951   boolean *setup_cascade_value;
5952
5953   int **headline_list;
5954   int *headline_list_size;
5955
5956   int **element_list;
5957   int *element_list_size;
5958
5959   boolean last_setup_value;
5960 }
5961 editor_elements_info[] =
5962 {
5963   {
5964     &setup_editor_el_players,
5965     &setup_editor_cascade_never,
5966     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5967     &editor_el_players_ptr,             &num_editor_el_players
5968   },
5969   {
5970     &setup_editor_el_boulderdash,
5971     &setup.editor_cascade.el_bd,
5972     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5973     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5974   },
5975   {
5976     &setup_editor_el_boulderdash_native,
5977     &setup.editor_cascade.el_bd_native,
5978     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
5979     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
5980   },
5981   {
5982     &setup_editor_el_emerald_mine,
5983     &setup.editor_cascade.el_em,
5984     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5985     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5986   },
5987   {
5988     &setup_editor_el_emerald_mine_club,
5989     &setup.editor_cascade.el_emc,
5990     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5991     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5992   },
5993   {
5994     &setup_editor_el_more,
5995     &setup.editor_cascade.el_rnd,
5996     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5997     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5998   },
5999   {
6000     &setup_editor_el_sokoban,
6001     &setup.editor_cascade.el_sb,
6002     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6003     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6004   },
6005   {
6006     &setup_editor_el_supaplex,
6007     &setup.editor_cascade.el_sp,
6008     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6009     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6010   },
6011   {
6012     &setup_editor_el_diamond_caves,
6013     &setup.editor_cascade.el_dc,
6014     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6015     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6016   },
6017   {
6018     &setup_editor_el_dx_boulderdash,
6019     &setup.editor_cascade.el_dx,
6020     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6021     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6022   },
6023   {
6024     &setup_editor_el_mirror_magic,
6025     &setup.editor_cascade.el_mm,
6026     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6027     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6028   },
6029   {
6030     &setup_editor_el_deflektor,
6031     &setup.editor_cascade.el_df,
6032     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6033     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6034   },
6035   {
6036     &setup_editor_el_chars,
6037     &setup.editor_cascade.el_chars,
6038     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6039     &editor_el_chars_ptr,               &num_editor_el_chars
6040   },
6041   {
6042     &setup_editor_el_steel_chars,
6043     &setup.editor_cascade.el_steel_chars,
6044     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6045     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6046   },
6047   {
6048     &setup_editor_el_custom,
6049     &setup.editor_cascade.el_ce,
6050     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6051     &editor_el_custom_ptr,              &num_editor_el_custom
6052   },
6053   {
6054     &setup_editor_el_custom,
6055     &setup.editor_cascade.el_ge,
6056     &editor_hl_group_ptr,               &num_editor_hl_group,
6057     &editor_el_group_ptr,               &num_editor_el_group
6058   },
6059   {
6060     &setup_editor_el_custom,
6061     &setup.editor_cascade.el_es,
6062     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6063     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6064   },
6065   {
6066     &setup_editor_el_custom,
6067     &setup.editor_cascade.el_ref,
6068     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6069     &editor_el_reference_ptr,           &num_editor_el_reference
6070   },
6071   {
6072     &setup_editor_el_user_defined,
6073     &setup.editor_cascade.el_user,
6074     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6075     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6076   },
6077   {
6078     &setup_editor_el_dynamic,
6079     &setup.editor_cascade.el_dynamic,
6080     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6081     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6082   },
6083   {
6084     &use_el_empty,
6085     &use_el_empty,
6086     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6087     &editor_el_empty_ptr,               &num_editor_el_empty,
6088   },
6089   {
6090     NULL,
6091     NULL,
6092     NULL,                               NULL,
6093     NULL,                               NULL
6094   }
6095 };
6096
6097 static struct XY xy_directions[] =
6098 {
6099   { -1,  0 },
6100   { +1,  0 },
6101   {  0, -1 },
6102   {  0, +1 }
6103 };
6104
6105
6106 // ----------------------------------------------------------------------------
6107 // functions
6108 // ----------------------------------------------------------------------------
6109
6110 static int getMaxInfoTextLength(void)
6111 {
6112   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6113 }
6114
6115 static int getTextWidthForGadget(char *text)
6116 {
6117   if (text == NULL)
6118     return 0;
6119
6120   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6121 }
6122
6123 static int getTextWidthForDrawingArea(char *text)
6124 {
6125   if (text == NULL)
6126     return 0;
6127
6128   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
6129 }
6130
6131 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6132 {
6133   return (gi->x + gi->width + getTextWidthForGadget(text));
6134 }
6135
6136 static char *getElementInfoText(int element)
6137 {
6138   char *info_text = NULL;
6139
6140   if (element < MAX_NUM_ELEMENTS)
6141   {
6142     if (strlen(element_info[element].description) > 0)
6143       info_text = element_info[element].description;
6144     else if (element_info[element].custom_description != NULL)
6145       info_text = element_info[element].custom_description;
6146     else if (element_info[element].editor_description != NULL)
6147       info_text = element_info[element].editor_description;
6148   }
6149
6150   if (info_text == NULL)
6151     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6152
6153   return info_text;
6154 }
6155
6156 static char *getElementDescriptionFilenameExt(char *basename)
6157 {
6158   char *elements_subdir = ELEMENTS_DIRECTORY;
6159   static char *elements_subdir2 = NULL;
6160   static char *filename = NULL;
6161
6162   if (elements_subdir2 == NULL)
6163     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6164
6165   checked_free(filename);
6166
6167   // 1st try: look for element description in current level set directory
6168   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6169   if (fileExists(filename))
6170     return filename;
6171
6172   free(filename);
6173
6174   // 2nd try: look for element description in the game's base directory
6175   filename = getPath3(options.docs_directory, elements_subdir, basename);
6176   if (fileExists(filename))
6177     return filename;
6178
6179   return NULL;
6180 }
6181
6182 static char *getElementDescriptionFilename(int element)
6183 {
6184   char basename[MAX_FILENAME_LEN];
6185   char *filename;
6186
6187   // 1st try: look for element description file for exactly this element
6188   sprintf(basename, "%s.txt", element_info[element].token_name);
6189   filename = getElementDescriptionFilenameExt(basename);
6190   if (filename != NULL)
6191     return filename;
6192
6193   // 2nd try: look for element description file for this element's class
6194   sprintf(basename, "%s.txt", element_info[element].class_name);
6195   filename = getElementDescriptionFilenameExt(basename);
6196   if (filename != NULL)
6197     return filename;
6198
6199   // 3rd try: look for generic fallback text file for any element
6200   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6201   if (filename != NULL)
6202     return filename;
6203
6204   return NULL;
6205 }
6206
6207 static boolean suppressBorderElement(void)
6208 {
6209   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6210           lev_fieldx <= MAX_ED_FIELDX &&
6211           lev_fieldy <= MAX_ED_FIELDY);
6212 }
6213
6214 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6215 {
6216   boolean element_found[NUM_FILE_ELEMENTS];
6217   int i, x, y;
6218
6219   // initialize list of used elements to "not used"
6220   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6221     element_found[i] = FALSE;
6222
6223   // find all elements used in current level
6224   for (y = 0; y < lev_fieldy; y++)
6225   {
6226     for (x = 0; x < lev_fieldx; x++)
6227     {
6228       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
6229         continue;
6230
6231       if (IS_MM_WALL(Tile[x][y]))
6232         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
6233       else
6234         element_found[Tile[x][y]] = TRUE;
6235     }
6236   }
6237
6238   *num_elements = 0;
6239
6240   // count number of elements used in current level
6241   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6242     if (element_found[i])
6243       (*num_elements)++;
6244
6245   // add space for up to 3 more elements for padding that may be needed
6246   *num_elements += 3;
6247
6248   // free memory for old list of elements, if needed
6249   checked_free(*elements);
6250
6251   // allocate memory for new list of elements
6252   *elements = checked_malloc(*num_elements * sizeof(int));
6253
6254   *num_elements = 0;
6255
6256   // add all elements used in current level (non-custom/group/empty elements)
6257   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6258     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
6259                               IS_GROUP_ELEMENT(i) ||
6260                               IS_EMPTY_ELEMENT(i)))
6261       (*elements)[(*num_elements)++] = i;
6262
6263   // add all elements used in current level (custom/group/empty elements)
6264   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6265     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
6266                              IS_GROUP_ELEMENT(i) ||
6267                              IS_EMPTY_ELEMENT(i)))
6268       (*elements)[(*num_elements)++] = i;
6269
6270   while (*num_elements % 4)     // pad with empty elements, if needed
6271     (*elements)[(*num_elements)++] = EL_EMPTY;
6272 }
6273
6274 static void ReinitializeElementList_EnableSections(void)
6275 {
6276   // default: enable all element sections
6277
6278   setup_editor_el_players               = TRUE;
6279   setup_editor_el_boulderdash           = TRUE;
6280   setup_editor_el_boulderdash_native    = TRUE;
6281   setup_editor_el_emerald_mine          = TRUE;
6282   setup_editor_el_emerald_mine_club     = TRUE;
6283   setup_editor_el_more                  = TRUE;
6284   setup_editor_el_sokoban               = TRUE;
6285   setup_editor_el_supaplex              = TRUE;
6286   setup_editor_el_diamond_caves         = TRUE;
6287   setup_editor_el_dx_boulderdash        = TRUE;
6288   setup_editor_el_mirror_magic          = TRUE;
6289   setup_editor_el_deflektor             = TRUE;
6290   setup_editor_el_chars                 = TRUE;
6291   setup_editor_el_steel_chars           = TRUE;
6292
6293   setup_editor_el_custom                = TRUE;
6294   setup_editor_el_user_defined          = TRUE;
6295   setup_editor_el_dynamic               = TRUE;
6296
6297   // now disable all element sections not to be displayed
6298
6299   if (!setup.editor.el_classic)
6300   {
6301     setup_editor_el_players             = FALSE;
6302     setup_editor_el_boulderdash         = FALSE;
6303     setup_editor_el_boulderdash_native  = FALSE;
6304     setup_editor_el_emerald_mine        = FALSE;
6305     setup_editor_el_emerald_mine_club   = FALSE;
6306     setup_editor_el_more                = FALSE;
6307     setup_editor_el_sokoban             = FALSE;
6308     setup_editor_el_supaplex            = FALSE;
6309     setup_editor_el_diamond_caves       = FALSE;
6310     setup_editor_el_dx_boulderdash      = FALSE;
6311     setup_editor_el_mirror_magic        = FALSE;
6312     setup_editor_el_deflektor           = FALSE;
6313     setup_editor_el_chars               = FALSE;
6314     setup_editor_el_steel_chars         = FALSE;
6315   }
6316
6317   if (!setup.editor.el_custom)
6318   {
6319     setup_editor_el_custom              = FALSE;
6320   }
6321
6322   if (!setup.editor.el_user_defined)
6323   {
6324     setup_editor_el_user_defined        = FALSE;
6325   }
6326
6327   if (!setup.editor.el_dynamic)
6328   {
6329     setup_editor_el_dynamic             = FALSE;
6330   }
6331
6332   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
6333   {
6334     setup_editor_el_boulderdash_native  = FALSE;
6335     setup_editor_el_mirror_magic        = FALSE;
6336     setup_editor_el_deflektor           = FALSE;
6337   }
6338   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
6339   {
6340     setup_editor_el_players             = FALSE;
6341     setup_editor_el_boulderdash         = FALSE;
6342     setup_editor_el_emerald_mine        = FALSE;
6343     setup_editor_el_emerald_mine_club   = FALSE;
6344     setup_editor_el_more                = FALSE;
6345     setup_editor_el_sokoban             = FALSE;
6346     setup_editor_el_supaplex            = FALSE;
6347     setup_editor_el_diamond_caves       = FALSE;
6348     setup_editor_el_dx_boulderdash      = FALSE;
6349     setup_editor_el_mirror_magic        = FALSE;
6350     setup_editor_el_deflektor           = FALSE;
6351     setup_editor_el_chars               = FALSE;
6352     setup_editor_el_steel_chars         = FALSE;
6353
6354     setup_editor_el_custom              = FALSE;
6355   }
6356   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
6357   {
6358     setup_editor_el_boulderdash         = FALSE;
6359     setup_editor_el_boulderdash_native  = FALSE;
6360     setup_editor_el_more                = FALSE;
6361     setup_editor_el_sokoban             = FALSE;
6362     setup_editor_el_supaplex            = FALSE;
6363     setup_editor_el_diamond_caves       = FALSE;
6364     setup_editor_el_dx_boulderdash      = FALSE;
6365     setup_editor_el_mirror_magic        = FALSE;
6366     setup_editor_el_deflektor           = FALSE;
6367     setup_editor_el_steel_chars         = FALSE;
6368
6369     setup_editor_el_custom              = FALSE;
6370   }
6371   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
6372   {
6373     setup_editor_el_players             = FALSE;
6374     setup_editor_el_boulderdash         = FALSE;
6375     setup_editor_el_boulderdash_native  = FALSE;
6376     setup_editor_el_emerald_mine        = FALSE;
6377     setup_editor_el_emerald_mine_club   = FALSE;
6378     setup_editor_el_more                = FALSE;
6379     setup_editor_el_sokoban             = FALSE;
6380     setup_editor_el_diamond_caves       = FALSE;
6381     setup_editor_el_dx_boulderdash      = FALSE;
6382     setup_editor_el_mirror_magic        = FALSE;
6383     setup_editor_el_deflektor           = FALSE;
6384     setup_editor_el_chars               = FALSE;
6385     setup_editor_el_steel_chars         = FALSE;
6386
6387     setup_editor_el_custom              = FALSE;
6388   }
6389   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
6390   {
6391     setup_editor_el_players             = FALSE;
6392     setup_editor_el_boulderdash         = FALSE;
6393     setup_editor_el_boulderdash_native  = FALSE;
6394     setup_editor_el_emerald_mine        = FALSE;
6395     setup_editor_el_emerald_mine_club   = FALSE;
6396     setup_editor_el_more                = FALSE;
6397     setup_editor_el_sokoban             = FALSE;
6398     setup_editor_el_supaplex            = FALSE;
6399     setup_editor_el_diamond_caves       = FALSE;
6400     setup_editor_el_dx_boulderdash      = FALSE;
6401     setup_editor_el_steel_chars         = FALSE;
6402
6403     setup_editor_el_custom              = FALSE;
6404   }
6405 }
6406
6407 static void ReinitializeElementList(void)
6408 {
6409   static boolean initialization_needed = TRUE;
6410   int pos = 0;
6411   int i, j;
6412
6413   ReinitializeElementList_EnableSections();
6414
6415   if (initialization_needed)
6416   {
6417     LoadSetup_EditorCascade();          // load last editor cascade state
6418
6419     // initialize editor cascade element from saved cascade state
6420     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6421     {
6422       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
6423       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
6424
6425       if (IS_EDITOR_CASCADE(*cascade_element))
6426         *cascade_element =
6427           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
6428            EL_CASCADE_INACTIVE(*cascade_element));
6429     }
6430
6431     initialization_needed = FALSE;
6432   }
6433
6434   checked_free(editor_elements);
6435
6436   // reload optional user defined element list for each invocation of editor
6437   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
6438                                    &num_editor_el_user_defined);
6439
6440   // initialize dynamic level element list for each invocation of editor
6441   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
6442                                &num_editor_el_dynamic);
6443
6444   // initialize list of empty elements (used for padding, if needed)
6445   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6446     editor_el_empty[i] = EL_EMPTY;
6447
6448   // do some sanity checks for each element from element list
6449   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6450   {
6451     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6452     {
6453       int element = (*editor_elements_info[i].element_list)[j];
6454
6455       if (element >= NUM_FILE_ELEMENTS)
6456         Warn("editor element %d is runtime element", element);
6457
6458       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
6459         Warn("no element description text for element %d", element);
6460     }
6461   }
6462
6463   num_editor_elements = 0;
6464   use_el_empty = FALSE;
6465
6466   // determine size of element list
6467   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6468   {
6469     if (*editor_elements_info[i].setup_value)
6470     {
6471       boolean found_inactive_cascade = FALSE;
6472
6473       if (setup.editor.el_headlines)
6474       {
6475         // required for correct padding of palette headline buttons
6476         if (*editor_elements_info[i].headline_list_size > 0)
6477           num_editor_elements += ED_ELEMENTLIST_COLS;
6478
6479         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6480         {
6481           int element = (*editor_elements_info[i].headline_list)[j];
6482
6483           if (IS_EDITOR_CASCADE_INACTIVE(element))
6484             found_inactive_cascade = TRUE;
6485         }
6486       }
6487
6488       if (found_inactive_cascade)
6489         continue;
6490
6491       // required for correct padding of palette element buttons
6492       int element_list_size = *editor_elements_info[i].element_list_size;
6493       int element_rows =
6494         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6495       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6496
6497       num_editor_elements += element_buttons;
6498     }
6499   }
6500
6501   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
6502   {
6503     // offer at least as many elements as element buttons exist
6504     use_el_empty = TRUE;
6505     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
6506
6507     num_editor_elements += num_editor_el_empty;
6508   }
6509   else
6510   {
6511     num_editor_el_empty = 0;
6512   }
6513
6514   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
6515
6516   // fill element list
6517   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6518   {
6519     boolean found_inactive_cascade = FALSE;
6520
6521     if (*editor_elements_info[i].setup_value)
6522     {
6523       if (setup.editor.el_headlines)
6524       {
6525         // required for correct padding of palette headline buttons
6526         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
6527                              ED_ELEMENTLIST_COLS : 0);
6528
6529         for (j = 0; j < headline_size; j++)
6530         {
6531           // use empty elements for padding of palette headline buttons
6532           int element = (j < *editor_elements_info[i].headline_list_size ?
6533                          (*editor_elements_info[i].headline_list)[j] :
6534                          editor_el_empty[0]);
6535
6536           editor_elements[pos++] = element;
6537
6538           if (IS_EDITOR_CASCADE_INACTIVE(element))
6539             found_inactive_cascade = TRUE;
6540         }
6541       }
6542
6543       if (found_inactive_cascade)
6544         continue;
6545
6546       // required for correct padding of palette element buttons
6547       int element_list_size = *editor_elements_info[i].element_list_size;
6548       int element_rows =
6549         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6550       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6551
6552       // copy all elements from element list
6553       for (j = 0; j < element_list_size; j++)
6554         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
6555
6556       // use empty elements for padding of palette element buttons
6557       for (j = 0; j < element_buttons - element_list_size; j++)
6558         editor_elements[pos++] = editor_el_empty[0];
6559     }
6560   }
6561
6562   // (this function is also called before editor gadgets are initialized!)
6563   AdjustElementListScrollbar();
6564 }
6565
6566 void PrintEditorElementList(void)
6567 {
6568   boolean *stop = &setup_editor_el_user_defined;
6569   int i, j;
6570
6571   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
6572   {
6573     int cascade_element = (*editor_elements_info[i].headline_list)[0];
6574
6575     if (IS_EDITOR_CASCADE(cascade_element))
6576     {
6577       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
6578       char *headline = element_info[cascade_element_show].editor_description;
6579
6580       PrintLineWithPrefix("# ", "-", 77);
6581       Print("# %s\n", headline);
6582       PrintLineWithPrefix("# ", "-", 77);
6583     }
6584
6585     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6586     {
6587       int element = (*editor_elements_info[i].headline_list)[j];
6588
6589       if (IS_EDITOR_CASCADE(element))
6590         element = EL_CHAR_MINUS;
6591
6592       Print("# %s\n", element_info[element].token_name);
6593     }
6594
6595     if (j > 0)
6596       Print("#\n");
6597
6598     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6599     {
6600       int element = (*editor_elements_info[i].element_list)[j];
6601
6602       Print("# %s\n", element_info[element].token_name);
6603     }
6604
6605     if (j > 0)
6606       Print("#\n");
6607   }
6608 }
6609
6610 static void ReinitializeElementListButtons(void)
6611 {
6612   static boolean last_setup_value_headlines = FALSE;
6613   static boolean initialization_needed = TRUE;
6614   int i;
6615
6616   if (!initialization_needed)   // check if editor element setup has changed
6617   {
6618     if (last_setup_value_headlines != setup.editor.el_headlines)
6619       initialization_needed = TRUE;
6620
6621     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6622       if (editor_elements_info[i].last_setup_value !=
6623           *editor_elements_info[i].setup_value)
6624         initialization_needed = TRUE;
6625   }
6626
6627   if (!initialization_needed)
6628     return;
6629
6630   FreeLevelEditorGadgets();
6631   CreateLevelEditorGadgets();
6632
6633   // store current setup values for next invocation of this function
6634   last_setup_value_headlines = setup.editor.el_headlines;
6635   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6636     editor_elements_info[i].last_setup_value =
6637       *editor_elements_info[i].setup_value;
6638
6639   initialization_needed = FALSE;
6640 }
6641
6642 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
6643                               boolean input)
6644 {
6645   int border_graphic =
6646     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
6647   struct GraphicInfo *g = &graphic_info[border_graphic];
6648   Bitmap *src_bitmap = g->bitmap;
6649   int src_x = g->src_x;
6650   int src_y = g->src_y;
6651   int border_size = g->border_size;
6652   int border_xpos = g->width  - border_size;
6653   int border_ypos = g->height - border_size;
6654   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6655   int i;
6656
6657   BlitBitmap(src_bitmap, drawto, src_x, src_y,
6658              border_size, border_size,
6659              dest_x - border_size, dest_y - border_size);
6660   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
6661              border_size, border_size,
6662              dest_x + width, dest_y - border_size);
6663   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
6664              border_size, border_size,
6665              dest_x - border_size, dest_y + height);
6666   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
6667              border_size, border_size,
6668              dest_x + width, dest_y + height);
6669
6670   for (i = 0; i < width / tilesize; i++)
6671   {
6672     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
6673                tilesize, border_size,
6674                dest_x + i * tilesize, dest_y - border_size);
6675     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
6676                tilesize, border_size,
6677                dest_x + i * tilesize, dest_y + height);
6678   }
6679
6680   for (i = 0; i < height / tilesize; i++)
6681   {
6682     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
6683                border_size, tilesize,
6684                dest_x - border_size, dest_y + i * tilesize);
6685     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
6686                border_size, tilesize,
6687                dest_x + width, dest_y + i * tilesize);
6688   }
6689
6690   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
6691 }
6692
6693 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
6694 {
6695   int xsize_tile = MAX(ed_tilesize, xsize);
6696   int ysize_tile = MAX(ed_tilesize, ysize);
6697   int xsize_full = xsize + 1;
6698   int ysize_full = ysize + 1;
6699   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
6700   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
6701   Pixel line_color = getTabulatorBarColor();
6702
6703   if (line_color == BLACK_PIXEL)                // black => transparent
6704     return;
6705
6706   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6707   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6708   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6709 }
6710
6711 static void DrawEditorLevelBorderLinesIfNeeded(void)
6712 {
6713   int xsize = lev_fieldx * ed_tilesize;
6714   int ysize = lev_fieldy * ed_tilesize;
6715   int line_size = getTabulatorBarHeight();
6716
6717   if (!suppressBorderElement())
6718     return;
6719
6720   // draw little border line around editable level playfield
6721
6722   if (xsize < SXSIZE)
6723     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6724
6725   if (ysize < SYSIZE)
6726     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6727
6728   if (xsize < SXSIZE && ysize < SYSIZE)
6729     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6730 }
6731
6732 static void DrawEditorElement(int x, int y, int element)
6733 {
6734   DrawSizedElement(x, y, element, ed_tilesize);
6735 }
6736
6737 static void DrawEditorElementThruMask(int x, int y, int element)
6738 {
6739   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6740 }
6741
6742 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6743 {
6744   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6745 }
6746
6747 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6748 {
6749   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6750   DrawEditorLevelBorderLinesIfNeeded();
6751 }
6752
6753 static void DrawDrawingArea(int id)
6754 {
6755   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6756   int x, y;
6757
6758   int *value = drawingarea_info[id].value;
6759   int area_xsize = drawingarea_info[id].area_xsize;
6760   int area_ysize = drawingarea_info[id].area_ysize;
6761   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6762
6763   for (x = 0; x < area_xsize; x++)
6764     for (y = 0; y < area_ysize; y++)
6765       DrawSizedGraphicExt(drawto,
6766                           gi->x + x * tilesize,
6767                           gi->y + y * tilesize,
6768                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6769 }
6770
6771 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6772 {
6773   int x, y;
6774   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6775   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6776
6777   BlitBitmap(drawto, drawto,
6778              SX + (dx == -1 ? ed_tilesize : 0),
6779              SY + (dy == -1 ? ed_tilesize : 0),
6780              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6781              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6782              SX + (dx == +1 ? ed_tilesize : 0),
6783              SY + (dy == +1 ? ed_tilesize : 0));
6784
6785   if (dx)
6786   {
6787     x = (dx == 1 ? 0 : ed_fieldx - 1);
6788     for (y = 0; y < ed_fieldy; y++)
6789       DrawEditorElementOrWall(x, y, from_x, from_y);
6790   }
6791   else if (dy)
6792   {
6793     y = (dy == 1 ? 0 : ed_fieldy - 1);
6794     for (x = 0; x < ed_fieldx; x++)
6795       DrawEditorElementOrWall(x, y, from_x, from_y);
6796   }
6797
6798   redraw_mask |= REDRAW_FIELD;
6799   BackToFront();
6800 }
6801
6802 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6803                                    int *x, int *y)
6804 {
6805   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6806 }
6807
6808 static void CreateControlButtons(void)
6809 {
6810   struct GadgetInfo *gi;
6811   int i;
6812
6813   // create toolbox buttons
6814   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6815   {
6816     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
6817     int id = controlbutton_info[i].gadget_id;
6818     int type = controlbutton_info[i].gadget_type;
6819     int graphic = controlbutton_info[i].graphic;
6820     struct XYTileSize *pos = controlbutton_info[i].pos;
6821     struct GraphicInfo *gd = &graphic_info[graphic];
6822     Bitmap *deco_bitmap = NULL;
6823     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6824     int tile_size = 0, deco_shift = 0;
6825     boolean deco_masked = FALSE;
6826     int gd_x1 = gd->src_x;
6827     int gd_y1 = gd->src_y;
6828     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6829     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6830     int gd_x1a = gd->src_x + gd->active_xoffset;
6831     int gd_y1a = gd->src_y + gd->active_yoffset;
6832     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6833     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6834     int x = pos->x;
6835     int y = pos->y;
6836     unsigned int event_mask;
6837     int radio_button_nr = RADIO_NR_NONE;
6838     boolean checked = FALSE;
6839
6840     if (type_id != i)
6841       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
6842
6843     if (type == GD_TYPE_RADIO_BUTTON)
6844     {
6845       event_mask = GD_EVENT_PRESSED;
6846       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6847
6848       if (id == drawing_function)
6849         checked = TRUE;
6850     }
6851     else
6852     {
6853       if (id == GADGET_ID_WRAP_LEFT ||
6854           id == GADGET_ID_WRAP_RIGHT ||
6855           id == GADGET_ID_WRAP_UP ||
6856           id == GADGET_ID_WRAP_DOWN)
6857         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6858       else
6859         event_mask = GD_EVENT_RELEASED;
6860     }
6861
6862     if (id == GADGET_ID_PROPERTIES ||
6863         id == GADGET_ID_PALETTE)
6864     {
6865       x += DX;
6866       y += DY;
6867     }
6868     else if (id == GADGET_ID_ELEMENT_LEFT ||
6869              id == GADGET_ID_ELEMENT_MIDDLE ||
6870              id == GADGET_ID_ELEMENT_RIGHT)
6871     {
6872       x += DX;
6873       y += DY;
6874
6875       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6876                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6877                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6878
6879       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6880                                    editor.button.element_left.tile_size :
6881                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6882                                    editor.button.element_middle.tile_size :
6883                                    id == GADGET_ID_ELEMENT_RIGHT ?
6884                                    editor.button.element_right.tile_size : 0);
6885
6886       // make sure that decoration does not overlap gadget border
6887       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6888
6889       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6890
6891       deco_xpos = (gd->width  - tile_size) / 2;
6892       deco_ypos = (gd->height - tile_size) / 2;
6893       deco_shift = 1;
6894       deco_masked = gd->draw_masked;
6895     }
6896     else
6897     {
6898       x += EX;
6899       y += EY;
6900     }
6901
6902     gi = CreateGadget(GDI_CUSTOM_ID, id,
6903                       GDI_CUSTOM_TYPE_ID, type_id,
6904                       GDI_IMAGE_ID, graphic,
6905                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6906                       GDI_X, x,
6907                       GDI_Y, y,
6908                       GDI_WIDTH, gd->width,
6909                       GDI_HEIGHT, gd->height,
6910                       GDI_TYPE, type,
6911                       GDI_STATE, GD_BUTTON_UNPRESSED,
6912                       GDI_RADIO_NR, radio_button_nr,
6913                       GDI_CHECKED, checked,
6914                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6915                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6916                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6917                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6918                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6919                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6920                       GDI_DECORATION_SIZE, tile_size, tile_size,
6921                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6922                       GDI_DECORATION_MASKED, deco_masked,
6923                       GDI_EVENT_MASK, event_mask,
6924                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6925                       GDI_CALLBACK_ACTION, HandleControlButtons,
6926                       GDI_END);
6927
6928     if (gi == NULL)
6929       Fail("cannot create gadget");
6930
6931     level_editor_gadget[id] = gi;
6932   }
6933
6934   // these values are not constant, but can change at runtime
6935   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6936   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6937   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6938   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6939   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6940   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6941   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6942   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6943   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6944   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6945   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6946   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6947
6948   // create buttons for scrolling of drawing area and element list
6949   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6950   {
6951     int id = scrollbutton_info[i].gadget_id;
6952     int type_id = scrollbutton_info[i].gadget_type_id;
6953     int graphic = scrollbutton_info[i].graphic;
6954     struct GraphicInfo *gd = &graphic_info[graphic];
6955     Bitmap *gd_bitmap = gd->bitmap;
6956     int gd_x1 = gd->src_x;
6957     int gd_y1 = gd->src_y;
6958     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6959     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6960     int width  = gd->width;
6961     int height = gd->height;
6962     int x = scrollbutton_pos[i].x;
6963     int y = scrollbutton_pos[i].y;
6964     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6965
6966     if (type_id != i)
6967       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
6968
6969     if (id == GADGET_ID_SCROLL_LIST_UP ||
6970         id == GADGET_ID_SCROLL_LIST_DOWN)
6971     {
6972       x += PX;
6973       y += PY;
6974     }
6975     else
6976     {
6977       x += SX;
6978       y += SY;
6979     }
6980
6981     gi = CreateGadget(GDI_CUSTOM_ID, id,
6982                       GDI_CUSTOM_TYPE_ID, type_id,
6983                       GDI_IMAGE_ID, graphic,
6984                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6985                       GDI_X, x,
6986                       GDI_Y, y,
6987                       GDI_WIDTH, width,
6988                       GDI_HEIGHT, height,
6989                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6990                       GDI_STATE, GD_BUTTON_UNPRESSED,
6991                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6992                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6993                       GDI_EVENT_MASK, event_mask,
6994                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6995                       GDI_CALLBACK_ACTION, HandleControlButtons,
6996                       GDI_END);
6997
6998     if (gi == NULL)
6999       Fail("cannot create gadget");
7000
7001     level_editor_gadget[id] = gi;
7002   }
7003
7004   // create buttons for element list
7005   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7006   {
7007     int type_id = i;
7008     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7009     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7010     struct GraphicInfo *gd = &graphic_info[graphic];
7011     Bitmap *gd_bitmap = gd->bitmap;
7012     Bitmap *deco_bitmap;
7013     int deco_x, deco_y, deco_xpos, deco_ypos;
7014     int gd_x1 = gd->src_x;
7015     int gd_y1 = gd->src_y;
7016     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7017     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7018     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7019     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7020     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7021     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7022     int element = editor_elements[i];
7023     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7024     unsigned int event_mask = GD_EVENT_RELEASED;
7025
7026     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7027
7028     deco_xpos = (gd->width  - tile_size) / 2;
7029     deco_ypos = (gd->height - tile_size) / 2;
7030
7031     gi = CreateGadget(GDI_CUSTOM_ID, id,
7032                       GDI_CUSTOM_TYPE_ID, type_id,
7033                       GDI_IMAGE_ID, graphic,
7034                       GDI_INFO_TEXT, getElementInfoText(element),
7035                       GDI_X, x,
7036                       GDI_Y, y,
7037                       GDI_WIDTH, gd->width,
7038                       GDI_HEIGHT, gd->height,
7039                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7040                       GDI_STATE, GD_BUTTON_UNPRESSED,
7041                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7042                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7043                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7044                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7045                       GDI_DECORATION_SIZE, tile_size, tile_size,
7046                       GDI_DECORATION_SHIFTING, 1, 1,
7047                       GDI_EVENT_MASK, event_mask,
7048                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7049                       GDI_CALLBACK_ACTION, HandleControlButtons,
7050                       GDI_END);
7051
7052     if (gi == NULL)
7053       Fail("cannot create gadget");
7054
7055     level_editor_gadget[id] = gi;
7056   }
7057 }
7058
7059 static void CreateCounterButtons(void)
7060 {
7061   int max_infotext_len = getMaxInfoTextLength();
7062   int i;
7063
7064   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7065   {
7066     int type_id = counterbutton_info[i].gadget_type_id;
7067     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7068     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7069     int j;
7070
7071     if (type_id != i)
7072       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7073
7074     // determine horizontal position to the right of specified gadget
7075     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7076       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7077            ED_GADGET_TEXT_DISTANCE);
7078
7079     // determine horizontal offset for leading text
7080     if (counterbutton_info[i].text_left != NULL)
7081       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7082
7083     for (j = 0; j < 2; j++)
7084     {
7085       struct GadgetInfo *gi;
7086       int id = (j == 0 ?
7087                 counterbutton_info[i].gadget_id_down :
7088                 counterbutton_info[i].gadget_id_up);
7089       int graphic;
7090       struct GraphicInfo *gd;
7091       int gd_x1, gd_x2, gd_y1, gd_y2;
7092       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7093       char infotext[max_infotext_len + 1];
7094
7095       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7096       {
7097         graphic = (j == 0 ?
7098                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7099                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7100
7101         event_mask |= GD_EVENT_RELEASED;
7102
7103         if (j == 0)
7104         {
7105           x = DX + editor.button.prev_level.x;
7106           y = DY + editor.button.prev_level.y;
7107         }
7108         else
7109         {
7110           x = DX + editor.button.next_level.x;
7111           y = DY + editor.button.next_level.y;
7112         }
7113       }
7114       else
7115       {
7116         graphic = (j == 0 ?
7117                    IMG_EDITOR_COUNTER_DOWN :
7118                    IMG_EDITOR_COUNTER_UP);
7119       }
7120
7121       gd = &graphic_info[graphic];
7122
7123       gd_x1 = gd->src_x;
7124       gd_y1 = gd->src_y;
7125       gd_x2 = gd->src_x + gd->pressed_xoffset;
7126       gd_y2 = gd->src_y + gd->pressed_yoffset;
7127
7128       sprintf(infotext, "%s counter value by 1, 5 or 10",
7129               (j == 0 ? "decrease" : "increase"));
7130
7131       gi = CreateGadget(GDI_CUSTOM_ID, id,
7132                         GDI_CUSTOM_TYPE_ID, type_id,
7133                         GDI_IMAGE_ID, graphic,
7134                         GDI_INFO_TEXT, infotext,
7135                         GDI_X, x,
7136                         GDI_Y, y,
7137                         GDI_WIDTH, gd->width,
7138                         GDI_HEIGHT, gd->height,
7139                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7140                         GDI_STATE, GD_BUTTON_UNPRESSED,
7141                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7142                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7143                         GDI_EVENT_MASK, event_mask,
7144                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7145                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7146                         GDI_END);
7147
7148       if (gi == NULL)
7149         Fail("cannot create gadget");
7150
7151       level_editor_gadget[id] = gi;
7152       right_gadget_border[id] =
7153         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7154
7155       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7156
7157       if (j == 0)
7158       {
7159         int font_type = FONT_INPUT_1;
7160         int font_type_active = FONT_INPUT_1_ACTIVE;
7161
7162         id = counterbutton_info[i].gadget_id_text;
7163
7164         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7165
7166         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7167         {
7168           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7169
7170           font_type = FONT_LEVEL_NUMBER;
7171           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7172
7173           x = DX + editor.input.level_number.x;
7174           y = DY + editor.input.level_number.y;
7175         }
7176         else
7177         {
7178           graphic = IMG_EDITOR_COUNTER_INPUT;
7179         }
7180
7181         gd = &graphic_info[graphic];
7182
7183         gd_x1 = gd->src_x;
7184         gd_y1 = gd->src_y;
7185         gd_x2 = gd->src_x + gd->active_xoffset;
7186         gd_y2 = gd->src_y + gd->active_yoffset;
7187
7188         gi = CreateGadget(GDI_CUSTOM_ID, id,
7189                           GDI_CUSTOM_TYPE_ID, type_id,
7190                           GDI_IMAGE_ID, graphic,
7191                           GDI_INFO_TEXT, "enter counter value",
7192                           GDI_X, x,
7193                           GDI_Y, y,
7194                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
7195                           GDI_NUMBER_VALUE, 0,
7196                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
7197                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
7198                           GDI_TEXT_SIZE, 3,     // minimal counter text size
7199                           GDI_TEXT_FONT, font_type,
7200                           GDI_TEXT_FONT_ACTIVE, font_type_active,
7201                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7202                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7203                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7204                           GDI_DESIGN_WIDTH, gd->width,
7205                           GDI_EVENT_MASK, event_mask,
7206                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7207                           GDI_CALLBACK_ACTION, HandleCounterButtons,
7208                           GDI_END);
7209
7210         if (gi == NULL)
7211           Fail("cannot create gadget");
7212
7213         level_editor_gadget[id] = gi;
7214         right_gadget_border[id] =
7215           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7216
7217         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
7218       }
7219     }
7220   }
7221 }
7222
7223 static void CreateDrawingAreas(void)
7224 {
7225   int i;
7226
7227   // these values are not constant, but can change at runtime
7228   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
7229   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
7230
7231   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
7232   {
7233     struct GadgetInfo *gi;
7234     int id = drawingarea_info[i].gadget_id;
7235     int type_id = drawingarea_info[i].gadget_type_id;
7236     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
7237     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
7238     int area_xsize = drawingarea_info[i].area_xsize;
7239     int area_ysize = drawingarea_info[i].area_ysize;
7240     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
7241                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
7242     unsigned int event_mask =
7243       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
7244       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
7245
7246     if (type_id != i)
7247       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
7248
7249     // determine horizontal position to the right of specified gadget
7250     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
7251       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
7252            ED_DRAWINGAREA_TEXT_DISTANCE);
7253
7254     // determine horizontal offset for leading text
7255     if (drawingarea_info[i].text_left != NULL)
7256       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
7257
7258     gi = CreateGadget(GDI_CUSTOM_ID, id,
7259                       GDI_CUSTOM_TYPE_ID, type_id,
7260                       GDI_X, x,
7261                       GDI_Y, y,
7262                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
7263                       GDI_AREA_SIZE, area_xsize, area_ysize,
7264                       GDI_ITEM_SIZE, item_size, item_size,
7265                       GDI_EVENT_MASK, event_mask,
7266                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
7267                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
7268                       GDI_END);
7269
7270     if (gi == NULL)
7271       Fail("cannot create gadget");
7272
7273     level_editor_gadget[id] = gi;
7274     right_gadget_border[id] =
7275       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
7276   }
7277 }
7278
7279 static void CreateTextInputGadgets(void)
7280 {
7281   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
7282   int max_infotext_len = getMaxInfoTextLength();
7283   int i;
7284
7285   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
7286   {
7287     int gd_x1 = gd->src_x;
7288     int gd_y1 = gd->src_y;
7289     int gd_x2 = gd->src_x + gd->active_xoffset;
7290     int gd_y2 = gd->src_y + gd->active_yoffset;
7291     struct GadgetInfo *gi;
7292     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7293     char infotext[MAX_OUTPUT_LINESIZE + 1];
7294     int id = textinput_info[i].gadget_id;
7295     int type_id = textinput_info[i].gadget_type_id;
7296     int x, y;
7297
7298     if (type_id != i)
7299       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
7300
7301     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
7302     {
7303       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
7304       int border_size = gd->border_size;
7305       int font_nr = FONT_INPUT_1;
7306       int font_height = getFontHeight(font_nr);
7307       int xoffset = element_border + TILEX + element_border + 3 * border_size;
7308       int yoffset = element_border + (TILEY - font_height) / 2;
7309
7310       x = (editor.settings.element_name.x != -1 ?
7311            editor.settings.element_name.x :
7312            editor.settings.element_graphic.x + xoffset) - border_size;
7313       y = (editor.settings.element_name.y != -1 ?
7314            editor.settings.element_name.y :
7315            editor.settings.element_graphic.y + yoffset) - border_size;
7316     }
7317     else
7318     {
7319       x = ED_SETTINGS_X(textinput_info[i].x);
7320       y = ED_SETTINGS_Y(textinput_info[i].y);
7321     }
7322
7323     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
7324     infotext[max_infotext_len] = '\0';
7325
7326     gi = CreateGadget(GDI_CUSTOM_ID, id,
7327                       GDI_CUSTOM_TYPE_ID, type_id,
7328                       GDI_INFO_TEXT, infotext,
7329                       GDI_X, SX + x,
7330                       GDI_Y, SY + y,
7331                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
7332                       GDI_TEXT_VALUE, textinput_info[i].value,
7333                       GDI_TEXT_SIZE, textinput_info[i].size,
7334                       GDI_TEXT_FONT, FONT_INPUT_1,
7335                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7336                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7337                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7338                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7339                       GDI_DESIGN_WIDTH, gd->width,
7340                       GDI_EVENT_MASK, event_mask,
7341                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7342                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
7343                       GDI_END);
7344
7345     if (gi == NULL)
7346       Fail("cannot create gadget");
7347
7348     level_editor_gadget[id] = gi;
7349   }
7350 }
7351
7352 static void CreateTextAreaGadgets(void)
7353 {
7354   int max_infotext_len = getMaxInfoTextLength();
7355   int i;
7356
7357   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
7358   {
7359     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
7360     int gd_x1 = gd->src_x;
7361     int gd_y1 = gd->src_y;
7362     int gd_x2 = gd->src_x + gd->active_xoffset;
7363     int gd_y2 = gd->src_y + gd->active_yoffset;
7364     struct GadgetInfo *gi;
7365     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
7366     char infotext[MAX_OUTPUT_LINESIZE + 1];
7367     int id = textarea_info[i].gadget_id;
7368     int type_id = textarea_info[i].gadget_type_id;
7369     int area_xsize = textarea_info[i].xsize;
7370     int area_ysize = textarea_info[i].ysize;
7371
7372     if (type_id != i)
7373       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
7374
7375     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
7376     infotext[max_infotext_len] = '\0';
7377
7378     gi = CreateGadget(GDI_CUSTOM_ID, id,
7379                       GDI_CUSTOM_TYPE_ID, type_id,
7380                       GDI_INFO_TEXT, infotext,
7381                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
7382                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
7383                       GDI_TYPE, GD_TYPE_TEXT_AREA,
7384                       GDI_AREA_SIZE, area_xsize, area_ysize,
7385                       GDI_TEXT_FONT, FONT_INPUT_1,
7386                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7387                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7388                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7389                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7390                       GDI_DESIGN_WIDTH, gd->width,
7391                       GDI_EVENT_MASK, event_mask,
7392                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7393                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
7394                       GDI_END);
7395
7396     if (gi == NULL)
7397       Fail("cannot create gadget");
7398
7399     level_editor_gadget[id] = gi;
7400   }
7401 }
7402
7403 static void CreateSelectboxGadgets(void)
7404 {
7405   int max_infotext_len = getMaxInfoTextLength();
7406   int i, j;
7407
7408   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7409   {
7410     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
7411     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
7412     int gd_x1 = gd->src_x;
7413     int gd_y1 = gd->src_y;
7414     int gd_x2 = gd->src_x + gd->active_xoffset;
7415     int gd_y2 = gd->src_y + gd->active_yoffset;
7416     int selectbox_button_xsize = gd2->width;
7417     struct GadgetInfo *gi;
7418     char infotext[MAX_OUTPUT_LINESIZE + 1];
7419     int id = selectbox_info[i].gadget_id;
7420     int type_id = selectbox_info[i].gadget_type_id;
7421     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
7422     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
7423     unsigned int event_mask =
7424       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7425
7426     if (type_id != i)
7427       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
7428
7429     if (selectbox_info[i].size == -1)   // dynamically determine size
7430     {
7431       // (we cannot use -1 for uninitialized values if we directly compare
7432       // with results from strlen(), because the '<' and '>' operation will
7433       // implicitely cast -1 to an unsigned integer value!)
7434       selectbox_info[i].size = 0;
7435
7436       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
7437         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
7438           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
7439
7440       selectbox_info[i].size++;         // add one character empty space
7441     }
7442
7443     // determine horizontal position to the right of specified gadget
7444     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
7445       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
7446            ED_GADGET_TEXT_DISTANCE);
7447
7448     // determine horizontal offset for leading text
7449     if (selectbox_info[i].text_left != NULL)
7450       x += getTextWidthForGadget(selectbox_info[i].text_left);
7451
7452     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
7453     infotext[max_infotext_len] = '\0';
7454
7455     gi = CreateGadget(GDI_CUSTOM_ID, id,
7456                       GDI_CUSTOM_TYPE_ID, type_id,
7457                       GDI_INFO_TEXT, infotext,
7458                       GDI_X, x,
7459                       GDI_Y, y,
7460                       GDI_TYPE, GD_TYPE_SELECTBOX,
7461                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
7462                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
7463                       GDI_TEXT_SIZE, selectbox_info[i].size,
7464                       GDI_TEXT_FONT, FONT_INPUT_1,
7465                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7466                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
7467                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7468                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7469                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7470                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
7471                       GDI_DESIGN_WIDTH, gd->width,
7472                       GDI_EVENT_MASK, event_mask,
7473                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7474                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
7475                       GDI_END);
7476
7477     if (gi == NULL)
7478       Fail("cannot create gadget");
7479
7480     level_editor_gadget[id] = gi;
7481     right_gadget_border[id] =
7482       getRightGadgetBorder(gi, selectbox_info[i].text_right);
7483   }
7484 }
7485
7486 static void CreateTextbuttonGadgets(void)
7487 {
7488   int max_infotext_len = getMaxInfoTextLength();
7489   int i;
7490
7491   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
7492   {
7493     int id = textbutton_info[i].gadget_id;
7494     int type_id = textbutton_info[i].gadget_type_id;
7495     int is_tab_button =
7496       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
7497        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
7498     int graphic =
7499       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
7500     int gadget_distance =
7501       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
7502     struct GraphicInfo *gd = &graphic_info[graphic];
7503     int gd_x1 = gd->src_x;
7504     int gd_y1 = gd->src_y;
7505     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7506     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7507     int gd_x1a = gd->src_x + gd->active_xoffset;
7508     int gd_y1a = gd->src_y + gd->active_yoffset;
7509     int border_xsize = gd->border_size + gd->draw_xoffset;
7510     int border_ysize = gd->border_size;
7511     struct GadgetInfo *gi;
7512     unsigned int event_mask = GD_EVENT_RELEASED;
7513     char infotext[MAX_OUTPUT_LINESIZE + 1];
7514     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
7515     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
7516
7517     if (type_id != i)
7518       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
7519
7520     if (textbutton_info[i].size == -1)  // dynamically determine size
7521       textbutton_info[i].size = strlen(textbutton_info[i].text);
7522
7523     sprintf(infotext, "%s", textbutton_info[i].infotext);
7524     infotext[max_infotext_len] = '\0';
7525
7526     // determine horizontal position to the right of specified gadget
7527     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7528     {
7529       int gadget_id_align = textbutton_info[i].gadget_id_align;
7530
7531       x = right_gadget_border[gadget_id_align] + gadget_distance;
7532
7533       if (textbutton_info[i].y == -1)
7534         y = level_editor_gadget[gadget_id_align]->y;
7535     }
7536
7537     // determine horizontal offset for leading text
7538     if (textbutton_info[i].text_left != NULL)
7539       x += getTextWidthForGadget(textbutton_info[i].text_left);
7540
7541     gi = CreateGadget(GDI_CUSTOM_ID, id,
7542                       GDI_CUSTOM_TYPE_ID, type_id,
7543                       GDI_IMAGE_ID, graphic,
7544                       GDI_INFO_TEXT, infotext,
7545                       GDI_X, x,
7546                       GDI_Y, y,
7547                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
7548                       GDI_TEXT_VALUE, textbutton_info[i].text,
7549                       GDI_TEXT_SIZE, textbutton_info[i].size,
7550                       GDI_TEXT_FONT, FONT_INPUT_2,
7551                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
7552                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7553                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7554                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7555                       GDI_BORDER_SIZE, border_xsize, border_ysize,
7556                       GDI_DESIGN_WIDTH, gd->width,
7557                       GDI_DECORATION_SHIFTING, 1, 1,
7558                       GDI_EVENT_MASK, event_mask,
7559                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7560                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
7561                       GDI_END);
7562
7563     if (gi == NULL)
7564       Fail("cannot create gadget");
7565
7566     level_editor_gadget[id] = gi;
7567     right_gadget_border[id] =
7568       getRightGadgetBorder(gi, textbutton_info[i].text_right);
7569   }
7570 }
7571
7572 static void CreateGraphicbuttonGadgets(void)
7573 {
7574   struct GadgetInfo *gi;
7575   int i;
7576
7577   // create buttons for scrolling of drawing area and element list
7578   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
7579   {
7580     int id = graphicbutton_info[i].gadget_id;
7581     int type_id = graphicbutton_info[i].gadget_type_id;
7582     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
7583     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
7584     int graphic = graphicbutton_info[i].graphic;
7585     struct GraphicInfo *gd = &graphic_info[graphic];
7586     int gd_x1 = gd->src_x;
7587     int gd_y1 = gd->src_y;
7588     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7589     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7590     unsigned int event_mask = GD_EVENT_RELEASED;
7591
7592     if (type_id != i)
7593       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
7594
7595     // determine horizontal position to the right of specified gadget
7596     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7597       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
7598            ED_GADGET_TEXT_DISTANCE);
7599
7600     // determine horizontal offset for leading text
7601     if (graphicbutton_info[i].text_left != NULL)
7602       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
7603
7604     gi = CreateGadget(GDI_CUSTOM_ID, id,
7605                       GDI_CUSTOM_TYPE_ID, type_id,
7606                       GDI_IMAGE_ID, graphic,
7607                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
7608                       GDI_X, x,
7609                       GDI_Y, y,
7610                       GDI_WIDTH, gd->width,
7611                       GDI_HEIGHT, gd->height,
7612                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7613                       GDI_STATE, GD_BUTTON_UNPRESSED,
7614                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7615                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7616                       GDI_EVENT_MASK, event_mask,
7617                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7618                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
7619                       GDI_END);
7620
7621     if (gi == NULL)
7622       Fail("cannot create gadget");
7623
7624     level_editor_gadget[id] = gi;
7625     right_gadget_border[id] =
7626       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
7627   }
7628 }
7629
7630 static void CreateScrollbarGadgets(void)
7631 {
7632   int i;
7633
7634   // these values are not constant, but can change at runtime
7635   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
7636     SX + ED_SCROLL_HORIZONTAL_XPOS;
7637   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
7638     SY + ED_SCROLL_HORIZONTAL_YPOS;
7639   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
7640     ED_SCROLL_HORIZONTAL_XSIZE;
7641   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
7642     ED_SCROLL_HORIZONTAL_YSIZE;
7643   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
7644   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
7645   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
7646   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
7647
7648   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
7649     SX + ED_SCROLL_VERTICAL_XPOS;
7650   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
7651     SY + ED_SCROLL_VERTICAL_YPOS;
7652   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
7653     ED_SCROLL_VERTICAL_XSIZE;
7654   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
7655     ED_SCROLL_VERTICAL_YSIZE;
7656   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
7657   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
7658   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
7659   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
7660
7661   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
7662     PX + ED_SCROLL2_VERTICAL_XPOS;
7663   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
7664     PY + ED_SCROLL2_VERTICAL_YPOS;
7665   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
7666     ED_SCROLL2_VERTICAL_XSIZE;
7667   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
7668     ED_SCROLL2_VERTICAL_YSIZE;
7669   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
7670   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
7671   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
7672   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
7673
7674   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
7675   {
7676     int id = scrollbar_info[i].gadget_id;
7677     int type_id = scrollbar_info[i].gadget_type_id;
7678     int graphic = scrollbar_info[i].graphic;
7679     struct GraphicInfo *gd = &graphic_info[graphic];
7680     int gd_x1 = gd->src_x;
7681     int gd_y1 = gd->src_y;
7682     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7683     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7684     struct GadgetInfo *gi;
7685     int items_max, items_visible, item_position;
7686     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
7687
7688     if (type_id != i)
7689       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
7690
7691     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
7692     {
7693       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7694       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7695       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7696     }
7697     else        // drawing area scrollbars
7698     {
7699       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
7700       {
7701         items_max = MAX(lev_fieldx + 2, ed_fieldx);
7702         items_visible = ed_fieldx;
7703         item_position = 0;
7704       }
7705       else
7706       {
7707         items_max = MAX(lev_fieldy + 2, ed_fieldy);
7708         items_visible = ed_fieldy;
7709         item_position = 0;
7710       }
7711     }
7712
7713     gi = CreateGadget(GDI_CUSTOM_ID, id,
7714                       GDI_CUSTOM_TYPE_ID, type_id,
7715                       GDI_IMAGE_ID, graphic,
7716                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
7717                       GDI_X, scrollbar_pos[i].x,
7718                       GDI_Y, scrollbar_pos[i].y,
7719                       GDI_WIDTH, scrollbar_pos[i].width,
7720                       GDI_HEIGHT, scrollbar_pos[i].height,
7721                       GDI_TYPE, scrollbar_info[i].type,
7722                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
7723                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7724                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
7725                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
7726                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
7727                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
7728                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
7729                       GDI_STATE, GD_BUTTON_UNPRESSED,
7730                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7731                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7732                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7733                       GDI_EVENT_MASK, event_mask,
7734                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7735                       GDI_CALLBACK_ACTION, HandleControlButtons,
7736                       GDI_END);
7737
7738     if (gi == NULL)
7739       Fail("cannot create gadget");
7740
7741     level_editor_gadget[id] = gi;
7742   }
7743 }
7744
7745 static void CreateCheckbuttonGadgets(void)
7746 {
7747   struct GadgetInfo *gi;
7748   int i;
7749
7750   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7751   {
7752     int id = checkbutton_info[i].gadget_id;
7753     int type_id = checkbutton_info[i].gadget_type_id;
7754     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7755                    IMG_EDITOR_CHECKBOX);
7756     struct GraphicInfo *gd = &graphic_info[graphic];
7757     int gd_x1 = gd->src_x;
7758     int gd_y1 = gd->src_y;
7759     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7760     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7761     int gd_x1a = gd->src_x + gd->active_xoffset;
7762     int gd_y1a = gd->src_y + gd->active_yoffset;
7763     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7764     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7765     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7766     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7767     unsigned int event_mask = GD_EVENT_PRESSED;
7768
7769     if (type_id != i)
7770       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
7771
7772     // determine horizontal position to the right of specified gadget
7773     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7774       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7775            ED_GADGET_TEXT_DISTANCE);
7776
7777     // determine horizontal offset for leading text
7778     if (checkbutton_info[i].text_left != NULL)
7779       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7780
7781     gi = CreateGadget(GDI_CUSTOM_ID, id,
7782                       GDI_CUSTOM_TYPE_ID, type_id,
7783                       GDI_IMAGE_ID, graphic,
7784                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7785                       GDI_X, x,
7786                       GDI_Y, y,
7787                       GDI_WIDTH, gd->width,
7788                       GDI_HEIGHT, gd->height,
7789                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7790                       GDI_CHECKED, *checkbutton_info[i].value,
7791                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7792                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7793                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7794                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7795                       GDI_EVENT_MASK, event_mask,
7796                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7797                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7798                       GDI_END);
7799
7800     if (gi == NULL)
7801       Fail("cannot create gadget");
7802
7803     level_editor_gadget[id] = gi;
7804     right_gadget_border[id] =
7805       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7806   }
7807 }
7808
7809 static void CreateRadiobuttonGadgets(void)
7810 {
7811   int graphic = IMG_EDITOR_RADIOBUTTON;
7812   struct GraphicInfo *gd = &graphic_info[graphic];
7813   int gd_x1 = gd->src_x;
7814   int gd_y1 = gd->src_y;
7815   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7816   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7817   int gd_x1a = gd->src_x + gd->active_xoffset;
7818   int gd_y1a = gd->src_y + gd->active_yoffset;
7819   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7820   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7821   struct GadgetInfo *gi;
7822   int i;
7823
7824   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7825   {
7826     int id = radiobutton_info[i].gadget_id;
7827     int type_id = radiobutton_info[i].gadget_type_id;
7828     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7829     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7830     unsigned int event_mask = GD_EVENT_PRESSED;
7831
7832     if (type_id != i)
7833       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
7834
7835     int checked =
7836       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7837
7838     // determine horizontal position to the right of specified gadget
7839     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7840       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7841            ED_GADGET_TEXT_DISTANCE);
7842
7843     // determine horizontal offset for leading text
7844     if (radiobutton_info[i].text_left != NULL)
7845       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7846
7847     gi = CreateGadget(GDI_CUSTOM_ID, id,
7848                       GDI_CUSTOM_TYPE_ID, type_id,
7849                       GDI_IMAGE_ID, graphic,
7850                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7851                       GDI_X, x,
7852                       GDI_Y, y,
7853                       GDI_WIDTH, gd->width,
7854                       GDI_HEIGHT, gd->height,
7855                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7856                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7857                       GDI_CHECKED, checked,
7858                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7859                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7860                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7861                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7862                       GDI_EVENT_MASK, event_mask,
7863                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7864                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7865                       GDI_END);
7866
7867     if (gi == NULL)
7868       Fail("cannot create gadget");
7869
7870     level_editor_gadget[id] = gi;
7871     right_gadget_border[id] =
7872       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7873   }
7874 }
7875
7876 void CreateLevelEditorGadgets(void)
7877 {
7878   // force EDITOR font inside level editor
7879   SetFontStatus(GAME_MODE_EDITOR);
7880
7881   // these values are not constant, but can change at runtime
7882   ed_fieldx = MAX_ED_FIELDX - 1;
7883   ed_fieldy = MAX_ED_FIELDY - 1;
7884
7885   num_editor_gadgets = NUM_EDITOR_GADGETS;
7886
7887   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
7888
7889   level_editor_gadget =
7890     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7891   right_gadget_border =
7892     checked_calloc(num_editor_gadgets * sizeof(int));
7893
7894   // set number of empty (padding) element buttons to maximum number of buttons
7895   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
7896
7897   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
7898   editor_el_empty_ptr = editor_el_empty;
7899
7900   use_permanent_palette = !editor.palette.show_as_separate_screen;
7901
7902   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
7903
7904   ReinitializeElementList();
7905
7906   CreateControlButtons();
7907   CreateScrollbarGadgets();
7908
7909   // order of function calls is important because of cross-references
7910   CreateCheckbuttonGadgets();
7911   CreateCounterButtons();
7912   CreateRadiobuttonGadgets();
7913   CreateTextInputGadgets();
7914   CreateTextAreaGadgets();
7915   CreateSelectboxGadgets();
7916   CreateGraphicbuttonGadgets();
7917   CreateTextbuttonGadgets();
7918   CreateDrawingAreas();
7919
7920   ResetFontStatus();
7921 }
7922
7923 void FreeLevelEditorGadgets(void)
7924 {
7925   int i;
7926
7927   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
7928
7929   for (i = 0; i < num_editor_gadgets; i++)
7930   {
7931     FreeGadget(level_editor_gadget[i]);
7932
7933     level_editor_gadget[i] = NULL;
7934   }
7935
7936   checked_free(level_editor_gadget);
7937   checked_free(right_gadget_border);
7938
7939   checked_free(editor_el_empty);
7940 }
7941
7942 static void MapCounterButtons(int id)
7943 {
7944   int font_nr = FONT_TEXT_1;
7945   int font_height = getFontHeight(font_nr);
7946   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7947   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7948   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7949   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7950   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7951   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7952   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7953   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7954   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7955   int yoffset = (gi_down->height - font_height) / 2;
7956   int x_left = gi_down->x - xoffset_left;
7957   int x_right;  // set after gadget position was modified
7958   int y_above = gi_down->y - yoffset_above;
7959   int x = gi_down->x;
7960   int y;        // set after gadget position was modified
7961
7962   // counter limits must be changed first to prevent value truncation
7963   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7964                             counterbutton_info[id].max_value);
7965
7966   // right text position might have changed after setting position above
7967   x_right = gi_up->x + gi_up->width + xoffset_right;
7968
7969   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7970
7971   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7972   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7973       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7974   {
7975     ModifyGadget(gi_down, GDI_Y,
7976                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7977     ModifyGadget(gi_text, GDI_Y,
7978                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7979     ModifyGadget(gi_up,   GDI_Y,
7980                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7981   }
7982
7983   // vertical position might have changed after setting position above
7984   y = gi_up->y + yoffset;
7985
7986   if (counterbutton_info[id].text_above)
7987     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7988
7989   if (counterbutton_info[id].text_left)
7990     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7991
7992   if (counterbutton_info[id].text_right)
7993     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7994
7995   MapGadget(gi_down);
7996   MapGadget(gi_text);
7997   MapGadget(gi_up);
7998 }
7999
8000 static void MapControlButtons(void)
8001 {
8002   int counter_id;
8003   int i;
8004
8005   // map toolbox buttons (excluding special CE toolbox buttons)
8006   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8007     MapGadget(level_editor_gadget[i]);
8008
8009   // map toolbox buttons (element properties buttons)
8010   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8011     MapGadget(level_editor_gadget[i]);
8012
8013   if (use_permanent_palette)
8014   {
8015     // map buttons to select elements
8016     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8017       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8018     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8019     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8020     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8021   }
8022
8023   // map buttons to select level
8024   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8025   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8026   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8027   MapCounterButtons(counter_id);
8028 }
8029
8030 static void MapDrawingArea(int id)
8031 {
8032   int font_nr = FONT_TEXT_1;
8033   int font_height = getFontHeight(font_nr);
8034   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8035   int area_xsize = gi->drawing.area_xsize;
8036   int area_ysize = gi->drawing.area_ysize;
8037   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8038   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8039   int x_left  = gi->x - xoffset_left;
8040   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8041   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8042   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8043   int y_side  = gi->y + (gi->height - font_height) / 2;
8044   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8045   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8046
8047   if (drawingarea_info[id].text_left)
8048     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8049
8050   if (drawingarea_info[id].text_right)
8051     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8052
8053   if (drawingarea_info[id].text_above)
8054     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8055
8056   if (drawingarea_info[id].text_below)
8057     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8058
8059   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8060   {
8061     DrawElementBorder(gi->x, gi->y,
8062                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8063                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8064
8065     DrawDrawingArea(id);
8066   }
8067
8068   MapGadget(gi);
8069 }
8070
8071 static void MapTextInputGadget(int id)
8072 {
8073   int font_nr = FONT_TEXT_1;
8074   int font_height = getFontHeight(font_nr);
8075   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8076   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8077   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8078   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8079
8080   if (textinput_info[id].text_above)
8081     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8082
8083   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8084
8085   MapGadget(gi);
8086 }
8087
8088 static void MapTextAreaGadget(int id)
8089 {
8090   int font_nr = FONT_TEXT_1;
8091   int font_height = getFontHeight(font_nr);
8092   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8093   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8094   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8095   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8096   char *text_above = textarea_info[id].text_above;
8097
8098   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8099     text_above = textarea_info[id].text_above_cropped;
8100
8101   if (text_above)
8102     DrawTextS(x_above, y_above, font_nr, text_above);
8103
8104   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8105
8106   MapGadget(gi);
8107 }
8108
8109 static void MapSelectboxGadget(int id)
8110 {
8111   int font_nr = FONT_TEXT_1;
8112   int font_height = getFontHeight(font_nr);
8113   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8114   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8115   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8116   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8117   int yoffset = (gi->height - font_height) / 2;
8118   int x_left = gi->x - xoffset_left;
8119   int x_right = gi->x + gi->width + xoffset_right;
8120   int y_above = gi->y - yoffset_above;
8121   int x = gi->x;
8122   int y = gi->y + yoffset;
8123
8124   if (selectbox_info[id].text_above)
8125     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8126
8127   if (selectbox_info[id].text_left)
8128     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8129
8130   if (selectbox_info[id].text_right)
8131     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8132
8133   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8134
8135   MapGadget(gi);
8136 }
8137
8138 static void MapTextbuttonGadget(int id)
8139 {
8140   int font_nr = FONT_TEXT_1;
8141   int font_height = getFontHeight(font_nr);
8142   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8143   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8144   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8145   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8146   int yoffset = (gi->height - font_height) / 2;
8147   int x_left = gi->x - xoffset_left;
8148   int x_right = gi->x + gi->width + xoffset_right;
8149   int y_above = gi->y - yoffset_above;
8150   int x = gi->x;
8151   int y = gi->y + yoffset;
8152
8153   // only show button to delete change pages when more than minimum pages
8154   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8155       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8156     return;
8157
8158   if (textbutton_info[id].text_above)
8159     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8160
8161   if (textbutton_info[id].text_left)
8162     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8163
8164   if (textbutton_info[id].text_right)
8165     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8166
8167   MapGadget(gi);
8168 }
8169
8170 static void MapGraphicbuttonGadget(int id)
8171 {
8172   int font_nr = FONT_TEXT_1;
8173   int font_height = getFontHeight(font_nr);
8174   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8175   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8176   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8177   int yoffset = (gi->height - font_height) / 2;
8178   int x_left = gi->x - xoffset_left;
8179   int x_right = gi->x + gi->width + xoffset_right;
8180   int y = gi->y + yoffset;
8181
8182   if (graphicbutton_info[id].text_left)
8183     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8184
8185   if (graphicbutton_info[id].text_right)
8186     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8187
8188   MapGadget(gi);
8189 }
8190
8191 static void MapRadiobuttonGadget(int id)
8192 {
8193   int font_nr = FONT_TEXT_1;
8194   int font_height = getFontHeight(font_nr);
8195   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
8196   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8197   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8198   int yoffset = (gi->height - font_height) / 2;
8199   int x_left = gi->x - xoffset_left;
8200   int x_right = gi->x + gi->width + xoffset_right;
8201   int y = gi->y + yoffset;
8202   boolean checked =
8203     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
8204
8205   if (radiobutton_info[id].text_left)
8206     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
8207
8208   if (radiobutton_info[id].text_right)
8209     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
8210
8211   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
8212
8213   MapGadget(gi);
8214 }
8215
8216 static void MapCheckbuttonGadget(int id)
8217 {
8218   int font_nr = FONT_TEXT_1;
8219   int font_height = getFontHeight(font_nr);
8220   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
8221   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8222   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8223   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8224   int yoffset = (gi->height - font_height) / 2;
8225   int y_above = gi->y - yoffset_above;
8226   int x = gi->x;
8227   int x_left, x_right, y;       // set after gadget position was modified
8228
8229   // set position for gadgets with dynamically determined position
8230   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
8231     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
8232   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
8233
8234   x_left = gi->x - xoffset_left;
8235   x_right = gi->x + gi->width + xoffset_right;
8236   y = gi->y + yoffset;
8237
8238   if (checkbutton_info[id].text_above)
8239     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
8240
8241   if (checkbutton_info[id].text_left)
8242     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
8243
8244   if (checkbutton_info[id].text_right)
8245     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
8246
8247   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
8248
8249   MapGadget(gi);
8250 }
8251
8252 static void MapMainDrawingArea(void)
8253 {
8254   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
8255   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
8256   int i;
8257
8258   if (suppressBorderElement())
8259   {
8260     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
8261     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
8262   }
8263
8264   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
8265   {
8266     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
8267           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
8268          no_horizontal_scrollbar) ||
8269         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
8270           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
8271          no_vertical_scrollbar))
8272       continue;
8273
8274     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
8275   }
8276
8277   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
8278   {
8279     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
8280         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
8281       continue;
8282
8283     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
8284   }
8285
8286   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
8287 }
8288
8289 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
8290 {
8291   int i;
8292
8293   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8294   {
8295     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
8296         i == GADGET_ID_CUSTOM_COPY_TO ||
8297         i == GADGET_ID_CUSTOM_EXCHANGE ||
8298         i == GADGET_ID_CUSTOM_COPY ||
8299         i == GADGET_ID_CUSTOM_PASTE)
8300     {
8301       if (map)
8302         MapGadget(level_editor_gadget[i]);
8303       else
8304         UnmapGadget(level_editor_gadget[i]);
8305     }
8306   }
8307 }
8308
8309 static void MapLevelEditorToolboxCustomGadgets(void)
8310 {
8311   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
8312 }
8313
8314 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
8315 {
8316   if (IS_CUSTOM_ELEMENT(properties_element) ||
8317       IS_GROUP_ELEMENT(properties_element) ||
8318       IS_EMPTY_ELEMENT(properties_element))
8319     MapLevelEditorToolboxCustomGadgets();
8320 }
8321
8322 static void UnmapLevelEditorToolboxCustomGadgets(void)
8323 {
8324   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
8325 }
8326
8327 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
8328 {
8329   int i;
8330
8331   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
8332   {
8333     if (i != GADGET_ID_SINGLE_ITEMS &&
8334         i != GADGET_ID_PICK_ELEMENT)
8335     {
8336       struct GadgetInfo *gi = level_editor_gadget[i];
8337
8338       if (map)
8339       {
8340         MapGadget(gi);
8341       }
8342       else
8343       {
8344         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
8345         struct GraphicInfo *gd = &graphic_info[graphic];
8346
8347         UnmapGadget(gi);
8348
8349         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
8350                    gi->width, gi->height, gi->x, gi->y);
8351
8352         redraw_mask |= REDRAW_DOOR_3;
8353       }
8354     }
8355   }
8356 }
8357
8358 static void MapLevelEditorToolboxDrawingGadgets(void)
8359 {
8360   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
8361 }
8362
8363 static void UnmapLevelEditorToolboxDrawingGadgets(void)
8364 {
8365   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
8366 }
8367
8368 static void UnmapDrawingArea(int id)
8369 {
8370   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
8371 }
8372
8373 static void UnmapLevelEditorFieldGadgets(void)
8374 {
8375   int i;
8376
8377   for (i = 0; i < num_editor_gadgets; i++)
8378     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
8379                           level_editor_gadget[i]->y))
8380       UnmapGadget(level_editor_gadget[i]);
8381 }
8382
8383 void UnmapLevelEditorGadgets(void)
8384 {
8385   int i;
8386
8387   for (i = 0; i < num_editor_gadgets; i++)
8388     UnmapGadget(level_editor_gadget[i]);
8389 }
8390
8391 static void ResetUndoBuffer(void)
8392 {
8393   undo_buffer_position = -1;
8394   undo_buffer_steps = -1;
8395   redo_buffer_steps = 0;
8396
8397   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8398
8399   level.changed = FALSE;
8400 }
8401
8402 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
8403 {
8404   if (remap_toolbox_gadgets)
8405   {
8406     ModifyEditorElementList();
8407     RedrawDrawingElements();
8408   }
8409
8410   if (edit_mode == ED_MODE_LEVELCONFIG)
8411     DrawLevelConfigWindow();
8412   else if (edit_mode == ED_MODE_PROPERTIES)
8413     DrawPropertiesWindow();
8414   else if (edit_mode == ED_MODE_PALETTE)
8415     DrawPaletteWindow();
8416   else  // edit_mode == ED_MODE_DRAWING
8417     DrawDrawingWindowExt(remap_toolbox_gadgets);
8418 }
8419
8420 static void DrawEditModeWindow(void)
8421 {
8422   DrawEditModeWindowExt(TRUE);
8423 }
8424
8425 static void DrawEditModeWindow_PlayfieldOnly(void)
8426 {
8427   DrawEditModeWindowExt(FALSE);
8428 }
8429
8430 static void ChangeEditModeWindow(int new_edit_mode)
8431 {
8432   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
8433
8434   DrawEditModeWindow();
8435 }
8436
8437 static boolean LevelChanged(void)
8438 {
8439   boolean field_changed = FALSE;
8440   int x, y;
8441
8442   for (y = 0; y < lev_fieldy; y++)
8443     for (x = 0; x < lev_fieldx; x++)
8444       if (Tile[x][y] != level.field[x][y])
8445         field_changed = TRUE;
8446
8447   return (level.changed || field_changed);
8448 }
8449
8450 static boolean PrepareSavingIntoPersonalLevelSet(void)
8451 {
8452   static LevelDirTree *last_copied_leveldir = NULL;
8453   static LevelDirTree *last_written_leveldir = NULL;
8454   static int last_copied_level_nr = -1;
8455   static int last_written_level_nr = -1;
8456   LevelDirTree *leveldir_former = leveldir_current;
8457   int level_nr_former = level_nr;
8458   int new_level_nr;
8459
8460   // remember last mod/save so that for current session, we write
8461   // back to the same personal copy, asking only about overwrite.
8462   if (leveldir_current == last_copied_leveldir &&
8463       level_nr == last_copied_level_nr)
8464   {
8465     // "cd" to personal level set dir (as used when writing last copy)
8466     leveldir_current = last_written_leveldir;
8467     level_nr = last_written_level_nr;
8468
8469     return TRUE;
8470   }
8471
8472   if (!Request("This level is read-only! "
8473                "Save into personal level set?", REQ_ASK))
8474     return FALSE;
8475
8476   // "cd" to personal level set dir (for writing copy the first time)
8477   leveldir_current =
8478     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
8479
8480   // this may happen if "setup.internal.create_user_levelset" is FALSE
8481   // or if file "levelinfo.conf" is missing in personal user level set
8482   if (leveldir_current == NULL)
8483   {
8484     Request("Cannot find personal level set?!", REQ_CONFIRM);
8485
8486     leveldir_current = leveldir_former;
8487
8488     return FALSE;
8489   }
8490
8491   // find unused level number
8492   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
8493   {
8494     static char *level_filename = NULL;
8495
8496     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
8497
8498     if (!fileExists(level_filename))
8499       break;
8500   }
8501
8502   last_copied_leveldir = leveldir_former;
8503   last_copied_level_nr = level_nr_former;
8504
8505   last_written_leveldir = leveldir_current;
8506   last_written_level_nr = level_nr = new_level_nr;
8507
8508   return TRUE;
8509 }
8510
8511 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
8512 {
8513   static char *filename_levelinfo = NULL, *mod_name = NULL;
8514   FILE *file;
8515
8516   // annotate this copy-and-mod in personal levelinfo.conf
8517   setString(&filename_levelinfo,
8518             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
8519
8520   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
8521   {
8522     fprintf(file, "\n");
8523     fprintf(file, "# level %d was modified from:\n", level_nr);
8524     fprintf(file, "# - previous level set name:    %s\n",
8525             former_name);
8526     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
8527             level.file_info.nr, level.name);
8528     fprintf(file, "# - previous author:            %s\n",
8529             level.author);
8530     fprintf(file, "# - previous save date:         ");
8531
8532     if (level.creation_date.src == DATE_SRC_LEVELFILE)
8533     {
8534       fprintf(file, "%04d-%02d-%02d\n",
8535               level.creation_date.year,
8536               level.creation_date.month,
8537               level.creation_date.day);
8538     }
8539     else
8540     {
8541       fprintf(file, "not recorded\n");
8542     }
8543
8544     fclose(file);
8545   }
8546
8547   if (level_nr > leveldir_current->last_level)
8548     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
8549
8550   // else: allow the save even if annotation failed
8551
8552   // now... spray graffiti on the old level vital statistics
8553   // user can change these; just trying to set a good baseline
8554
8555   // don't truncate names for fear of making offensive or silly:
8556   // long-named original author only recorded in levelinfo.conf.
8557   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
8558   if (!strEqual(level.author, leveldir_current->author))
8559   {
8560     setString(&mod_name, getStringCat3(leveldir_current->author,
8561                                        " after ", level.author));
8562
8563     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8564       setString(&mod_name,
8565                 getStringCat2(leveldir_current->author, " (ed.)"));
8566
8567     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8568       setString(&mod_name, leveldir_current->author);
8569
8570     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
8571
8572     // less worried about truncation here
8573     setString(&mod_name, getStringCat2("Mod: ", level.name));
8574     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
8575   }
8576 }
8577
8578 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
8579                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
8580 {
8581   int x, y;
8582
8583   for (x = 0; x < lev_fieldx; x++)
8584     for (y = 0; y < lev_fieldy; y++)
8585       dst[x][y] = src[x][y];
8586 }
8587
8588 static int setSelectboxValue(int selectbox_id, int new_value)
8589 {
8590   int new_index_value = 0;
8591   int i;
8592
8593   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
8594     if (selectbox_info[selectbox_id].options[i].value == new_value)
8595       new_index_value = i;
8596
8597   *selectbox_info[selectbox_id].value =
8598     selectbox_info[selectbox_id].options[new_index_value].value;
8599
8600   return new_index_value;
8601 }
8602
8603 static void setSelectboxSpecialActionVariablesIfNeeded(void)
8604 {
8605   int i;
8606
8607   // change action mode and arg variables according to action type variable
8608   for (i = 0; action_arg_options[i].value != -1; i++)
8609   {
8610     if (action_arg_options[i].value == custom_element_change.action_type)
8611     {
8612       int mode = action_arg_options[i].mode;
8613
8614       // only change if corresponding selectbox has changed
8615       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
8616           action_arg_modes[mode])
8617         custom_element_change.action_mode = -1;
8618
8619       // only change if corresponding selectbox has changed
8620       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
8621           action_arg_options[i].options)
8622         custom_element_change.action_arg = -1;
8623
8624       break;
8625     }
8626   }
8627 }
8628
8629 static void setSelectboxSpecialActionOptions(void)
8630 {
8631   int i;
8632
8633   // change action mode and arg selectbox according to action type selectbox
8634   for (i = 0; action_arg_options[i].value != -1; i++)
8635   {
8636     if (action_arg_options[i].value == custom_element_change.action_type)
8637     {
8638       int mode = action_arg_options[i].mode;
8639
8640       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
8641                                    action_arg_modes[mode]);
8642       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
8643                                  custom_element_change.action_mode);
8644
8645       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
8646                                    action_arg_options[i].options);
8647       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
8648                                  custom_element_change.action_arg);
8649       break;
8650     }
8651   }
8652 }
8653
8654 static void copy_custom_element_settings(int element_from, int element_to)
8655 {
8656   struct ElementInfo *ei_from = &element_info[element_from];
8657   struct ElementInfo *ei_to = &element_info[element_to];
8658
8659   copyElementInfo(ei_from, ei_to);
8660 }
8661
8662 static void replace_custom_element_in_settings(int element_from,
8663                                                int element_to)
8664 {
8665   int i, j, x, y;
8666
8667   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8668   {
8669     struct ElementInfo *ei = &element_info[i];
8670
8671     for (y = 0; y < 3; y++)
8672       for (x = 0; x < 3; x++)
8673         if (ei->content.e[x][y] == element_from)
8674           ei->content.e[x][y] = element_to;
8675
8676     for (j = 0; j < ei->num_change_pages; j++)
8677     {
8678       struct ElementChangeInfo *change = &ei->change_page[j];
8679
8680       if (change->target_element == element_from)
8681         change->target_element = element_to;
8682
8683       if (change->initial_trigger_element == element_from)
8684         change->initial_trigger_element = element_to;
8685
8686       if (change->action_element == element_from)
8687         change->action_element = element_to;
8688
8689       for (y = 0; y < 3; y++)
8690         for (x = 0; x < 3; x++)
8691           if (change->target_content.e[x][y] == element_from)
8692             change->target_content.e[x][y] = element_to;
8693     }
8694
8695     if (ei->group != NULL)                              // group or internal
8696       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
8697         if (ei->group->element[j] == element_from)
8698           ei->group->element[j] = element_to;
8699   }
8700 }
8701
8702 static void replace_custom_element_in_playfield(int element_from,
8703                                                 int element_to)
8704 {
8705   int x, y;
8706
8707   for (x = 0; x < lev_fieldx; x++)
8708     for (y = 0; y < lev_fieldy; y++)
8709       if (Tile[x][y] == element_from)
8710         Tile[x][y] = element_to;
8711 }
8712
8713 static boolean CopyCustomElement(int element_old, int element_new,
8714                                  int copy_mode)
8715 {
8716   int copy_mode_orig = copy_mode;
8717
8718   if (copy_mode == GADGET_ID_CUSTOM_COPY)
8719   {
8720     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
8721                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8722     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8723   }
8724   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
8725   {
8726     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
8727                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8728     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8729
8730     level.changed = TRUE;
8731   }
8732   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
8733   {
8734     Request("Please choose custom element!", REQ_CONFIRM);
8735
8736     return FALSE;
8737   }
8738   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
8739   {
8740     Request("Please choose group element!", REQ_CONFIRM);
8741
8742     return FALSE;
8743   }
8744   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
8745   {
8746     Request("Please choose empty element!", REQ_CONFIRM);
8747
8748     return FALSE;
8749   }
8750   else
8751   {
8752     level.changed = TRUE;
8753   }
8754
8755   // when modifying custom/group element, ask for copying level template
8756   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
8757   {
8758     if (!AskToCopyAndModifyLevelTemplate())
8759       return FALSE;
8760   }
8761
8762   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8763   {
8764     copy_custom_element_settings(element_new, element_old);
8765   }
8766   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8767   {
8768     copy_custom_element_settings(element_old, element_new);
8769   }
8770   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8771   {
8772     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8773     copy_custom_element_settings(element_new, element_old);
8774     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8775
8776     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8777     replace_custom_element_in_settings(element_new, element_old);
8778     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8779
8780     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8781     replace_custom_element_in_playfield(element_new, element_old);
8782     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8783   }
8784
8785   UpdateCustomElementGraphicGadgets();
8786   DrawPropertiesWindow();
8787
8788   return TRUE;
8789 }
8790
8791 static void CopyCustomElementPropertiesToEditor(int element)
8792 {
8793   int i;
8794   int current_change_page = element_info[element].current_change_page;
8795
8796   // dynamically (re)build selectbox for selecting change page
8797   for (i = 0; i < element_info[element].num_change_pages; i++)
8798   {
8799     sprintf(options_change_page_strings[i], "%d", i + 1);
8800
8801     options_change_page[i].value = i;
8802     options_change_page[i].text = options_change_page_strings[i];
8803   }
8804
8805   options_change_page[i].value = -1;
8806   options_change_page[i].text = NULL;
8807
8808   // needed here to initialize combined element properties
8809   InitElementPropertiesEngine(level.game_version);
8810
8811   element_info[element].change =
8812     &element_info[element].change_page[current_change_page];
8813
8814   custom_element = element_info[element];
8815   custom_element_change = *element_info[element].change;
8816
8817   // needed to initially set selectbox options for special action options
8818   setSelectboxSpecialActionOptions();
8819
8820   // needed to initially set selectbox value variables to reliable defaults
8821   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8822     setSelectboxValue(i, *selectbox_info[i].value);
8823
8824   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8825     custom_element_properties[i] = HAS_PROPERTY(element, i);
8826
8827   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8828     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8829
8830   // ---------- element settings: configure (custom elements) -----------------
8831
8832   // set accessible layer selectbox help value
8833   custom_element.access_type =
8834     (IS_WALKABLE(element) ? EP_WALKABLE :
8835      IS_PASSABLE(element) ? EP_PASSABLE :
8836      custom_element.access_type);
8837   custom_element.access_layer =
8838     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8839      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8840      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8841      custom_element.access_layer);
8842   custom_element.access_protected =
8843     (IS_PROTECTED(element) ? 1 : 0);
8844   custom_element_properties[EP_ACCESSIBLE] =
8845     (IS_ACCESSIBLE_OVER(element) ||
8846      IS_ACCESSIBLE_INSIDE(element) ||
8847      IS_ACCESSIBLE_UNDER(element));
8848
8849   // set walk-to-object action selectbox help value
8850   custom_element.walk_to_action =
8851     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8852      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8853      IS_DROPPABLE(element) ? EP_DROPPABLE :
8854      IS_THROWABLE(element) ? EP_THROWABLE :
8855      IS_PUSHABLE(element) ? EP_PUSHABLE :
8856      custom_element.walk_to_action);
8857   custom_element_properties[EP_WALK_TO_OBJECT] =
8858     (IS_DIGGABLE(element) ||
8859      IS_COLLECTIBLE_ONLY(element) ||
8860      IS_DROPPABLE(element) ||
8861      IS_THROWABLE(element) ||
8862      IS_PUSHABLE(element));
8863
8864   // set smash targets selectbox help value
8865   custom_element.smash_targets =
8866     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8867      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8868      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8869      custom_element.smash_targets);
8870   custom_element_properties[EP_CAN_SMASH] =
8871     (CAN_SMASH_EVERYTHING(element) ||
8872      CAN_SMASH_ENEMIES(element) ||
8873      CAN_SMASH_PLAYER(element));
8874
8875   // set deadliness selectbox help value
8876   custom_element.deadliness =
8877     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8878      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8879      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8880      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8881      custom_element.deadliness);
8882   custom_element_properties[EP_DEADLY] =
8883     (DONT_TOUCH(element) ||
8884      DONT_GET_HIT_BY(element) ||
8885      DONT_COLLIDE_WITH(element) ||
8886      DONT_RUN_INTO(element));
8887
8888   // ---------- element settings: advanced (custom elements) ------------------
8889
8890   // set "change by direct action" selectbox help value
8891   custom_element_change.direct_action =
8892     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
8893      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8894      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8895      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8896      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8897      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8898      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8899      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8900      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8901      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8902      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8903      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8904      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8905      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8906      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8907      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8908      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8909      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8910      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8911      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
8912      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
8913      custom_element_change.direct_action);
8914
8915   // set "change by other element action" selectbox help value
8916   custom_element_change.other_action =
8917     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
8918      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8919      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8920      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8921      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8922      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8923      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8924      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8925      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8926      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8927      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8928      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
8929      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8930      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8931      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8932      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8933      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8934      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8935      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8936      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8937      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8938      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8939      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8940      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8941      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8942      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
8943      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
8944      custom_element_change.other_action);
8945 }
8946
8947 static void CopyGroupElementPropertiesToEditor(int element)
8948 {
8949   group_element_info = *element_info[element].group;
8950   custom_element = element_info[element];       // needed for description
8951 }
8952
8953 static void CopyEmptyElementPropertiesToEditor(int element)
8954 {
8955   custom_element = element_info[element];
8956 }
8957
8958 static void CopyClassicElementPropertiesToEditor(int element)
8959 {
8960   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8961     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8962       getMoveIntoAcidProperty(&level, element);
8963
8964   if (MAYBE_DONT_COLLIDE_WITH(element))
8965     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8966       getDontCollideWithProperty(&level, element);
8967 }
8968
8969 static void CopyElementPropertiesToEditor(int element)
8970 {
8971   if (IS_CUSTOM_ELEMENT(element))
8972     CopyCustomElementPropertiesToEditor(element);
8973   else if (IS_GROUP_ELEMENT(element))
8974     CopyGroupElementPropertiesToEditor(element);
8975   else if (IS_EMPTY_ELEMENT(element))
8976     CopyEmptyElementPropertiesToEditor(element);
8977   else
8978     CopyClassicElementPropertiesToEditor(element);
8979 }
8980
8981 static boolean AskToCopyAndModifyLevelTemplate(void)
8982 {
8983   if (Request("Copy and modify settings from level template?", REQ_ASK))
8984   {
8985     level.use_custom_template = FALSE;
8986
8987     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8988                  GDI_CHECKED, FALSE, GDI_END);
8989     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8990                  GDI_CHECKED, FALSE, GDI_END);
8991
8992     return TRUE;
8993   }
8994   else
8995   {
8996     LoadLevelTemplate(-1);      // this resets all element modifications ...
8997
8998     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8999
9000     return FALSE;
9001   }
9002 }
9003
9004 static void CopyCustomElementPropertiesToGame(int element)
9005 {
9006   int i;
9007   int access_type_and_layer;
9008
9009   // mark that this custom element has been modified
9010   custom_element.modified_settings = TRUE;
9011   level.changed = TRUE;
9012
9013   if (level.use_custom_template)
9014     AskToCopyAndModifyLevelTemplate();
9015
9016   element_info[element] = custom_element;
9017   *element_info[element].change = custom_element_change;
9018
9019   // ---------- element settings: configure (custom elements) -----------------
9020
9021   // set accessible property from checkbox and selectbox
9022   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9023   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9024   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9025   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9026   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9027   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9028   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9029                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9030                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9031   custom_element_properties[access_type_and_layer] =
9032     custom_element_properties[EP_ACCESSIBLE];
9033   custom_element_properties[EP_PROTECTED] =
9034     (custom_element.access_protected != 0 &&
9035      custom_element_properties[EP_ACCESSIBLE]);
9036
9037   // set walk-to-object property from checkbox and selectbox
9038   custom_element_properties[EP_DIGGABLE] = FALSE;
9039   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9040   custom_element_properties[EP_DROPPABLE] = FALSE;
9041   custom_element_properties[EP_THROWABLE] = FALSE;
9042   custom_element_properties[EP_PUSHABLE] = FALSE;
9043   custom_element_properties[custom_element.walk_to_action] =
9044     custom_element_properties[EP_WALK_TO_OBJECT];
9045
9046   // set smash property from checkbox and selectbox
9047   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9048   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9049   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9050   custom_element_properties[custom_element.smash_targets] =
9051     custom_element_properties[EP_CAN_SMASH];
9052
9053   // set deadliness property from checkbox and selectbox
9054   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9055   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9056   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9057   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9058   custom_element_properties[custom_element.deadliness] =
9059     custom_element_properties[EP_DEADLY];
9060
9061   // ---------- element settings: advanced (custom elements) ------------------
9062
9063   // set player change event from checkbox and selectbox
9064   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9065   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9066   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9067   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9068   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9069   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9070   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9071   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9072   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9073   custom_element_change_events[CE_SWITCHED] = FALSE;
9074   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9075   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9076   custom_element_change_events[CE_BLOCKED] = FALSE;
9077   custom_element_change_events[CE_IMPACT] = FALSE;
9078   custom_element_change_events[CE_SMASHED] = FALSE;
9079   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9080   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9081   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9082   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9083   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9084   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9085   custom_element_change_events[custom_element_change.direct_action] =
9086     custom_element_change_events[CE_BY_DIRECT_ACTION];
9087
9088   // set other element action change event from checkbox and selectbox
9089   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9090   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9091   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9092   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9093   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9094   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9095   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9096   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9097   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9098   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9099   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9100   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9101   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9102   custom_element_change_events[CE_HITTING_X] = FALSE;
9103   custom_element_change_events[CE_DIGGING_X] = FALSE;
9104   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9105   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9106   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9107   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9108   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9109   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9110   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9111   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9112   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9113   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9114   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9115   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9116   custom_element_change_events[custom_element_change.other_action] =
9117     custom_element_change_events[CE_BY_OTHER_ACTION];
9118
9119   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9120     SET_PROPERTY(element, i, custom_element_properties[i]);
9121
9122   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9123     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9124
9125   // copy change events also to special level editor variable
9126   custom_element = element_info[element];
9127   custom_element_change = *element_info[element].change;
9128
9129   // needed here to restore runtime value "element_info[element].gfx_element"
9130   InitElementPropertiesGfxElement();
9131 }
9132
9133 static void CopyGroupElementPropertiesToGame(int element)
9134 {
9135   // mark that this group element has been modified
9136   custom_element.modified_settings = TRUE;
9137   level.changed = TRUE;
9138
9139   if (level.use_custom_template)
9140     AskToCopyAndModifyLevelTemplate();
9141
9142   element_info[element] = custom_element;
9143   *element_info[element].group = group_element_info;
9144
9145   // needed here to restore runtime value "element_info[element].gfx_element"
9146   InitElementPropertiesGfxElement();
9147 }
9148
9149 static void CopyEmptyElementPropertiesToGame(int element)
9150 {
9151   // mark that this empty element has been modified
9152   custom_element.modified_settings = TRUE;
9153   level.changed = TRUE;
9154
9155   if (level.use_custom_template)
9156     AskToCopyAndModifyLevelTemplate();
9157
9158   element_info[element] = custom_element;
9159
9160   // needed here to restore runtime value "element_info[element].gfx_element"
9161   InitElementPropertiesGfxElement();
9162 }
9163
9164 static void CopyClassicElementPropertiesToGame(int element)
9165 {
9166   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9167     setMoveIntoAcidProperty(&level, element,
9168                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9169
9170   if (MAYBE_DONT_COLLIDE_WITH(element))
9171     setDontCollideWithProperty(&level, element,
9172                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9173 }
9174
9175 static void CopyElementPropertiesToGame(int element)
9176 {
9177   if (IS_CUSTOM_ELEMENT(element))
9178     CopyCustomElementPropertiesToGame(element);
9179   else if (IS_GROUP_ELEMENT(element))
9180     CopyGroupElementPropertiesToGame(element);
9181   else if (IS_EMPTY_ELEMENT(element))
9182     CopyEmptyElementPropertiesToGame(element);
9183   else
9184     CopyClassicElementPropertiesToGame(element);
9185 }
9186
9187 #if DEBUG
9188 static void CheckElementDescriptions(void)
9189 {
9190   int i;
9191
9192   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9193     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
9194       Warn("no element description file for element '%s'", EL_NAME(i));
9195 }
9196 #endif
9197
9198 static int getMaxEdFieldX(boolean has_scrollbar)
9199 {
9200   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
9201   int sxsize = SXSIZE - scrollbar_width;
9202   int max_ed_fieldx = sxsize / ed_tilesize;
9203
9204   return max_ed_fieldx;
9205 }
9206
9207 static int getMaxEdFieldY(boolean has_scrollbar)
9208 {
9209   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
9210                          INFOTEXT_YSIZE_FULL : 0);
9211   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
9212   int sysize = SYSIZE - scrollbar_height - infotext_height;
9213   int max_ed_fieldy = sysize / ed_tilesize;
9214
9215   return max_ed_fieldy;
9216 }
9217
9218 static void InitZoomLevelSettings(int zoom_tilesize)
9219 {
9220   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
9221
9222   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
9223   {
9224     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
9225     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
9226
9227     // make sure that tile size is always a power of 2
9228     ed_tilesize = (1 << log_2(ed_tilesize));
9229
9230     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9231     {
9232       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
9233       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
9234     }
9235   }
9236
9237   last_game_engine_type = level.game_engine_type;
9238
9239   // limit zoom tilesize by upper and lower bound
9240   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
9241
9242   // store zoom tilesize in auto setup file only if it was manually changed
9243   if (zoom_tilesize != -1)
9244     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
9245
9246   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
9247   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
9248 }
9249
9250 static void InitDrawingElements(void)
9251 {
9252   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
9253
9254   if (level.game_engine_type == game_engine_type_last)
9255     return;
9256
9257   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9258   {
9259     new_element1 = EL_BD_WALL;
9260     new_element2 = EL_EMPTY;
9261     new_element3 = EL_BD_SAND;
9262   }
9263   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
9264   {
9265     new_element1 = EL_SP_CHIP_SINGLE;
9266     new_element2 = EL_EMPTY;
9267     new_element3 = EL_SP_BASE;
9268   }
9269   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9270   {
9271     new_element1 = EL_MM_MIRROR_START;
9272     new_element2 = EL_EMPTY;
9273     new_element3 = EL_MM_WOODEN_WALL;
9274   }
9275   else
9276   {
9277     new_element1 = EL_WALL;
9278     new_element2 = EL_EMPTY;
9279     new_element3 = EL_SAND;
9280   }
9281
9282   game_engine_type_last = level.game_engine_type;
9283 }
9284
9285 static void InitLevelSetInfo(void)
9286 {
9287   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
9288            "%s", leveldir_current->name);
9289   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
9290            "%s", leveldir_current->author);
9291
9292   levelset_num_levels = leveldir_current->levels;
9293
9294   levelset_use_levelset_artwork = FALSE;
9295   levelset_copy_level_template = FALSE;
9296
9297   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
9298 }
9299
9300 static void ChangeEditorToLevelSet(char *levelset_subdir)
9301 {
9302   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
9303
9304   // the previous level set might have used custom artwork
9305   ReloadCustomArtwork(0);
9306
9307   LoadLevelSetup_SeriesInfo();
9308
9309   SaveLevelSetup_LastSeries();
9310   SaveLevelSetup_SeriesInfo();
9311
9312   TapeErase();
9313
9314   LoadLevel(level_nr);
9315   LoadScore(level_nr);
9316
9317   DrawLevelEd();
9318 }
9319
9320 static boolean useEditorDoorAnimation(void)
9321 {
9322   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
9323   boolean door_1_viewport_unchanged =
9324     (vp_door_1->x      == DX     &&
9325      vp_door_1->y      == DY     &&
9326      vp_door_1->width  == DXSIZE &&
9327      vp_door_1->height == DYSIZE);
9328   boolean door_1_contains_toolbox =
9329     (EX >= DX &&
9330      EY >= DY &&
9331      EX + EXSIZE <= DX + DXSIZE &&
9332      EY + EYSIZE <= DY + DYSIZE);
9333
9334   return (door_1_viewport_unchanged && door_1_contains_toolbox);
9335 }
9336
9337 static void DrawEditorDoorBackground(int graphic, int x, int y,
9338                                      int width, int height)
9339 {
9340   struct GraphicInfo *g = &graphic_info[graphic];
9341
9342   if (g->bitmap != NULL)
9343     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
9344                MIN(width, g->width), MIN(height, g->height), x, y);
9345   else
9346     ClearRectangle(drawto, x, y, width, height);
9347 }
9348
9349 static void DrawEditorDoorContent(void)
9350 {
9351   // needed for gadgets drawn on background (like palette scrollbar)
9352   SetDoorBackgroundImage(IMG_UNDEFINED);
9353
9354   // copy default editor door content to main double buffer
9355   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
9356
9357   // draw bigger door
9358   DrawSpecialEditorDoor();
9359
9360   // draw new control window
9361   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
9362
9363   // draw all toolbox gadgets to editor doors
9364   MapControlButtons();
9365
9366   // when returning from test game to properties page, redraw toolbox gadgets
9367   if (edit_mode == ED_MODE_PROPERTIES)
9368   {
9369     UnmapLevelEditorToolboxDrawingGadgets();
9370     UnmapLevelEditorToolboxCustomGadgets();
9371
9372     MapLevelEditorToolboxCustomGadgetsIfNeeded();
9373   }
9374
9375   // draw all palette gadgets to editor doors
9376   ModifyEditorElementList();
9377   RedrawDrawingElements();
9378
9379   // copy actual editor door content to door double buffer for OpenDoor()
9380   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
9381 }
9382
9383 void DrawLevelEd(void)
9384 {
9385   int fade_mask = REDRAW_FIELD;
9386
9387   FadeSoundsAndMusic();
9388
9389   if (CheckFadeAll())
9390     fade_mask = REDRAW_ALL;
9391
9392   FadeOut(fade_mask);
9393
9394   // needed if different viewport properties defined for editor
9395   ChangeViewportPropertiesIfNeeded();
9396
9397   ClearField();
9398
9399   InitZoomLevelSettings(-1);
9400   InitDrawingElements();
9401   InitLevelSetInfo();
9402
9403 #if DEBUG
9404   CheckElementDescriptions();
9405 #endif
9406
9407   if (level_editor_test_game)
9408   {
9409     CopyPlayfield(level.field, Tile);
9410     CopyPlayfield(TileBackup, level.field);
9411
9412     level_editor_test_game = FALSE;
9413   }
9414   else
9415   {
9416     edit_mode = ED_MODE_DRAWING;
9417     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
9418     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
9419
9420     ResetUndoBuffer();
9421
9422     level_xpos = -1;
9423     level_ypos = -1;
9424   }
9425
9426   // redraw_mask |= REDRAW_ALL;
9427
9428   FreeLevelEditorGadgets();
9429   CreateLevelEditorGadgets();
9430
9431   ReinitializeElementList();            // update dynamic level element list
9432   ReinitializeElementListButtons();     // custom element may look different
9433
9434   InitElementPropertiesGfxElement();
9435
9436   UnmapAllGadgets();
9437
9438   DrawEditModeWindow_PlayfieldOnly();
9439
9440   DrawMaskedBorder(fade_mask);
9441
9442   // use door animation if door 1 viewport is unchanged and contains toolbox
9443   if (useEditorDoorAnimation())
9444   {
9445     FadeIn(fade_mask);
9446
9447     DrawEditorDoorContent();
9448
9449     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
9450   }
9451   else
9452   {
9453     DrawEditorDoorContent();
9454
9455     FadeIn(fade_mask);
9456   }
9457
9458   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
9459 }
9460
9461 static void AdjustDrawingAreaGadgets(void)
9462 {
9463   int ed_xsize = lev_fieldx + 2;
9464   int ed_ysize = lev_fieldy + 2;
9465   int max_ed_fieldx = MAX_ED_FIELDX;
9466   int max_ed_fieldy = MAX_ED_FIELDY;
9467   boolean horizontal_scrollbar_needed;
9468   boolean vertical_scrollbar_needed;
9469   int x, y, width, height;
9470
9471   if (suppressBorderElement())
9472   {
9473     ed_xsize = lev_fieldx;
9474     ed_ysize = lev_fieldy;
9475   }
9476
9477   // check if we need any scrollbars
9478   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9479   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9480
9481   // check if we have a smaller editor field because of scrollbars
9482   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9483   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9484
9485   // check again if we now need more scrollbars because of less space
9486   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9487   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9488
9489   // check if editor field gets even smaller after adding new scrollbars
9490   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9491   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9492
9493   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
9494   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
9495
9496   x = SX + ed_fieldx * ed_tilesize;
9497   y = SY + ed_fieldy * ed_tilesize;
9498
9499   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
9500   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
9501
9502   // adjust drawing area gadget
9503   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
9504                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
9505                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
9506                GDI_END);
9507
9508   // adjust horizontal scrollbar gadgets
9509   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
9510                GDI_Y, y,
9511                GDI_END);
9512   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
9513                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
9514                GDI_Y, y,
9515                GDI_END);
9516   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
9517                GDI_Y, y,
9518                GDI_WIDTH, width,
9519                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
9520                GDI_END);
9521
9522   // adjust vertical scrollbar gadgets
9523   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
9524                GDI_X, x,
9525                GDI_END);
9526   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
9527                GDI_X, x,
9528                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
9529                GDI_END);
9530   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
9531                GDI_X, x,
9532                GDI_HEIGHT, height,
9533                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
9534                GDI_END);
9535 }
9536
9537 static void AdjustLevelScrollPosition(void)
9538 {
9539   if (level_xpos < -1)
9540     level_xpos = -1;
9541   if (level_xpos > lev_fieldx - ed_fieldx + 1)
9542     level_xpos = lev_fieldx - ed_fieldx + 1;
9543   if (lev_fieldx < ed_fieldx - 2)
9544     level_xpos = -1;
9545
9546   if (level_ypos < -1)
9547     level_ypos = -1;
9548   if (level_ypos > lev_fieldy - ed_fieldy + 1)
9549     level_ypos = lev_fieldy - ed_fieldy + 1;
9550   if (lev_fieldy < ed_fieldy - 2)
9551     level_ypos = -1;
9552
9553   if (suppressBorderElement())
9554   {
9555     level_xpos = 0;
9556     level_ypos = 0;
9557   }
9558 }
9559
9560 static void AdjustEditorScrollbar(int id)
9561 {
9562   struct GadgetInfo *gi = level_editor_gadget[id];
9563   int items_max, items_visible, item_position;
9564
9565   if (id == GADGET_ID_SCROLL_HORIZONTAL)
9566   {
9567     items_max = MAX(lev_fieldx + 2, ed_fieldx);
9568     items_visible = ed_fieldx;
9569     item_position = level_xpos + 1;
9570   }
9571   else
9572   {
9573     items_max = MAX(lev_fieldy + 2, ed_fieldy);
9574     items_visible = ed_fieldy;
9575     item_position = level_ypos + 1;
9576   }
9577
9578   if (item_position > items_max - items_visible)
9579     item_position = items_max - items_visible;
9580
9581   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9582                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9583 }
9584
9585 static void AdjustElementListScrollbar(void)
9586 {
9587   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
9588   int items_max, items_visible, item_position;
9589
9590   // correct position of element list scrollbar
9591   if (element_shift < 0)
9592     element_shift = 0;
9593   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
9594     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
9595
9596   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
9597   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
9598   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
9599
9600   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9601                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9602                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9603 }
9604
9605 static void ModifyEditorCounterValue(int counter_id, int new_value)
9606 {
9607   int *counter_value = counterbutton_info[counter_id].value;
9608   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9609   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9610
9611   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
9612
9613   if (counter_value != NULL)
9614     *counter_value = gi->textinput.number_value;
9615 }
9616
9617 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
9618 {
9619   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9620   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9621
9622   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
9623
9624   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
9625       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
9626   {
9627     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
9628     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
9629
9630     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
9631     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
9632                  GDI_END);
9633   }
9634 }
9635
9636 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
9637 {
9638   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9639   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9640   int new_index_value = setSelectboxValue(selectbox_id, new_value);
9641
9642   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
9643 }
9644
9645 static void ModifyEditorSelectboxOptions(int selectbox_id,
9646                                          struct ValueTextInfo *options)
9647 {
9648   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9649   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9650
9651   selectbox_info[selectbox_id].options = options;
9652
9653   // set index to zero -- list may be shorter now (correct later, if needed)
9654   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
9655                GDI_SELECTBOX_OPTIONS, options, GDI_END);
9656 }
9657
9658 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
9659 {
9660   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
9661   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9662
9663   drawingarea_info[drawingarea_id].area_xsize = xsize;
9664   drawingarea_info[drawingarea_id].area_ysize = ysize;
9665
9666   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
9667 }
9668
9669 static void ModifyEditorElementList(void)
9670 {
9671   int i;
9672
9673   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
9674     return;
9675
9676   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9677   {
9678     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
9679     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9680     struct GadgetDesign *gd = &gi->deco.design;
9681     int element = editor_elements[element_shift + i];
9682     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
9683
9684     UnmapGadget(gi);
9685
9686     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
9687
9688     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
9689
9690     MapGadget(gi);
9691   }
9692 }
9693
9694 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
9695 {
9696   int graphic = el2edimg(element);
9697   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
9698
9699   if (pos->x == -1 &&
9700       pos->y == -1)
9701     return;
9702
9703   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
9704 }
9705
9706 static void ModifyDrawingElementButton(int element, int id)
9707 {
9708   struct GadgetInfo *gi = level_editor_gadget[id];
9709   Bitmap *deco_bitmap;
9710   int deco_x, deco_y;
9711   int tile_size = gi->deco.width;
9712
9713   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
9714
9715   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
9716 }
9717
9718 static void PickDrawingElement(int button, int element)
9719 {
9720   struct
9721   {
9722     int *new_element;
9723     struct XYTileSize *pos;
9724     int id;
9725   } de, drawing_elements[] =
9726   {
9727     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
9728     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
9729     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
9730   };
9731
9732   if (button < 1 || button > 3)
9733     return;
9734
9735   if (IS_MM_WALL(element))
9736     element = map_mm_wall_element(element);
9737
9738   de = drawing_elements[button - 1];
9739
9740   *de.new_element = element;    // update global drawing element variable
9741
9742   DrawDrawingElementGraphic(element, de.pos);
9743   ModifyDrawingElementButton(element, de.id);
9744
9745   redraw_mask |= REDRAW_DOOR_1;
9746 }
9747
9748 static void RedrawDrawingElements(void)
9749 {
9750   PickDrawingElement(1, new_element1);
9751   PickDrawingElement(2, new_element2);
9752   PickDrawingElement(3, new_element3);
9753 }
9754
9755 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
9756 {
9757   stick_element_properties_window = FALSE;
9758
9759   SetMainBackgroundImage(IMG_UNDEFINED);
9760   ClearField();
9761
9762   UnmapLevelEditorFieldGadgets();
9763
9764   AdjustDrawingAreaGadgets();
9765   AdjustLevelScrollPosition();
9766   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
9767   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
9768
9769   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
9770
9771   MapMainDrawingArea();
9772
9773   if (remap_toolbox_gadgets)
9774   {
9775     UnmapLevelEditorToolboxCustomGadgets();
9776     MapLevelEditorToolboxDrawingGadgets();
9777   }
9778 }
9779
9780 static void DrawDrawingWindow(void)
9781 {
9782   DrawDrawingWindowExt(TRUE);
9783 }
9784
9785 static int getTabulatorBarWidth(void)
9786 {
9787   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9788   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
9789
9790   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
9791 }
9792
9793 static int getTabulatorBarHeight(void)
9794 {
9795   return ED_TAB_BAR_HEIGHT;
9796 }
9797
9798 static Pixel getTabulatorBarColor(void)
9799 {
9800   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
9801   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9802   int gd_x = gd->x + gd_gi1->border.width / 2;
9803   int gd_y = gd->y + gd_gi1->height - 1;
9804
9805   return GetPixel(gd->bitmap, gd_x, gd_y);
9806 }
9807
9808 static void DrawLevelConfigTabulatorGadgets(void)
9809 {
9810   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
9811   Pixel tab_color = getTabulatorBarColor();
9812   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
9813   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
9814   int i;
9815
9816   // draw additional "engine" tabulator when using native BD engine
9817   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9818     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
9819
9820   for (i = id_first; i <= id_last; i++)
9821   {
9822     int gadget_id = textbutton_info[i].gadget_id;
9823     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9824     boolean active = (i != edit_mode_levelconfig);
9825
9826     // draw background line below tabulator button
9827     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9828
9829     // draw solid line below inactive tabulator buttons
9830     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9831       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9832                     ED_GADGET_TINY_DISTANCE, tab_color);
9833
9834     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9835     MapTextbuttonGadget(i);
9836   }
9837
9838   // draw little border line below tabulator buttons
9839   if (tab_color != BLACK_PIXEL)                 // black => transparent
9840     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9841                   ED_GADGET_TINY_DISTANCE,
9842                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9843 }
9844
9845 static void DrawPropertiesTabulatorGadgets(void)
9846 {
9847   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9848   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9849   int gd_x = gd->x + gd_gi1->border.width / 2;
9850   int gd_y = gd->y + gd_gi1->height - 1;
9851   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9852   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9853   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9854   int i;
9855
9856   // draw two config tabulators for player elements
9857   if (IS_PLAYER_ELEMENT(properties_element))
9858     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9859
9860   // draw two config and one "change" tabulator for custom elements
9861   if (IS_CUSTOM_ELEMENT(properties_element))
9862     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9863
9864   for (i = id_first; i <= id_last; i++)
9865   {
9866     int gadget_id = textbutton_info[i].gadget_id;
9867     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9868     boolean active = (i != edit_mode_properties);
9869
9870     // use "config 1" and "config 2" instead of "config" for players and CEs
9871     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9872         (IS_PLAYER_ELEMENT(properties_element) ||
9873          IS_CUSTOM_ELEMENT(properties_element)))
9874       continue;
9875
9876     // draw background line below tabulator button
9877     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9878
9879     // draw solid line below inactive tabulator buttons
9880     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9881       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9882                     ED_GADGET_TINY_DISTANCE, tab_color);
9883
9884     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9885     MapTextbuttonGadget(i);
9886   }
9887
9888   // draw little border line below tabulator buttons
9889   if (tab_color != BLACK_PIXEL)                 // black => transparent
9890     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9891                   ED_GADGET_TINY_DISTANCE,
9892                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9893 }
9894
9895 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9896 {
9897   DrawText(SX + xpos, SY + ypos, text, font_nr);
9898 }
9899
9900 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9901                                            int xpos, int ypos)
9902 {
9903   int font_width = getFontWidth(font_nr);
9904   int font_height = getFontHeight(font_nr);
9905   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9906   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9907
9908   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9909                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9910                       TRUE, FALSE, FALSE);
9911 }
9912
9913 static void DrawLevelConfigLevel(void)
9914 {
9915   int i;
9916
9917   // draw counter gadgets
9918   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9919     MapCounterButtons(i);
9920
9921   // draw checkbutton gadgets
9922   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9923     MapCheckbuttonGadget(i);
9924
9925   // draw selectbox gadgets
9926   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9927     MapSelectboxGadget(i);
9928
9929   // draw text input gadgets
9930   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9931     MapTextInputGadget(i);
9932 }
9933
9934 static char *getLevelSubdirFromSaveMode(int save_mode)
9935 {
9936   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9937     return getNewUserLevelSubdir();
9938
9939   return leveldir_current->subdir;
9940 }
9941
9942 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
9943 {
9944   char *directory_text = "Level set directory:";
9945   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9946   int font1_nr = FONT_TEXT_1;
9947   int font2_nr = FONT_TEXT_2;
9948   int font1_height = getFontHeight(font1_nr);
9949   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9950   int x = ED_LEVEL_SETTINGS_X(0);
9951   int y = ED_LEVEL_SETTINGS_Y(6);
9952
9953   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9954   PrintInfoText(directory_name, font2_nr, x, y);
9955 }
9956
9957 static void DrawLevelConfigLevelSet(void)
9958 {
9959   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9960   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9961   int i;
9962
9963   // draw counter gadgets
9964   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9965     MapCounterButtons(i);
9966
9967   // draw checkbutton gadgets
9968   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9969   {
9970     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9971         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9972         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9973       continue;
9974
9975     MapCheckbuttonGadget(i);
9976   }
9977
9978   // draw selectbox gadgets
9979   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9980     MapSelectboxGadget(i);
9981
9982   // draw text input gadgets
9983   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9984     MapTextInputGadget(i);
9985
9986   // draw textbutton gadgets
9987   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9988
9989   // draw info text
9990   DrawLevelConfigLevelSet_DirectoryInfo();
9991 }
9992
9993 static void DrawLevelConfigEditor(void)
9994 {
9995   int i;
9996
9997   // draw counter gadgets
9998   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9999     MapCounterButtons(i);
10000
10001   // draw checkbutton gadgets
10002   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10003     MapCheckbuttonGadget(i);
10004
10005   // draw radiobutton gadgets
10006   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10007     MapRadiobuttonGadget(i);
10008
10009   // draw drawing area
10010   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10011
10012   // draw textbutton gadgets
10013   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10014 }
10015
10016 static void DrawLevelConfigEngine(void)
10017 {
10018   int i;
10019
10020   // draw checkbutton gadgets
10021   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10022     MapCheckbuttonGadget(i);
10023 }
10024
10025 static void DrawLevelConfigWindow(void)
10026 {
10027   char *text = "Global Settings";
10028   int font_nr = FONT_TITLE_1;
10029   struct MenuPosInfo *pos = &editor.settings.headline;
10030   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10031   int sy = SY + pos->y;
10032
10033   stick_element_properties_window = FALSE;
10034
10035   SetAutomaticNumberOfGemsNeeded();
10036
10037   UnmapLevelEditorFieldGadgets();
10038
10039   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10040   ClearField();
10041
10042   DrawText(sx, sy, text, font_nr);
10043
10044   DrawLevelConfigTabulatorGadgets();
10045
10046   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10047     DrawLevelConfigLevel();
10048   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10049     DrawLevelConfigLevelSet();
10050   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10051     DrawLevelConfigEditor();
10052   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10053     DrawLevelConfigEngine();
10054 }
10055
10056 static void DrawCustomContentArea(void)
10057 {
10058   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10059   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10060   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10061   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10062   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10063   int xoffset = ED_GADGET_SPACE_DISTANCE;
10064
10065   // add distance for potential left text (without drawing area border)
10066   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10067
10068   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10069
10070   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10071 }
10072
10073 static void DrawCustomChangeContentArea(void)
10074 {
10075   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10076   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10077   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10078   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10079   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10080   int xoffset = ED_GADGET_SPACE_DISTANCE;
10081
10082   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10083
10084   MapDrawingArea(id);
10085 }
10086
10087 static void RemoveElementContentArea(int id, int font_height)
10088 {
10089   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10090
10091   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10092                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10093                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10094                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10095                  ED_GADGET_TEXT_DISTANCE + font_height);
10096 }
10097
10098 static void DrawYamYamContentAreas(void)
10099 {
10100   int font_nr = FONT_TEXT_1;
10101   int font_height = getFontHeight(font_nr);
10102   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10103   int yoffset = (tilesize - font_height) / 2;
10104   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10105   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10106   int i;
10107
10108   // display counter to choose number of element content areas
10109   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10110
10111   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10112   {
10113     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10114
10115     if (i < level.num_yamyam_contents)
10116     {
10117       MapDrawingArea(id);
10118     }
10119     else
10120     {
10121       UnmapDrawingArea(id);
10122
10123       // delete content areas in case of reducing number of them
10124       RemoveElementContentArea(id, font_height);
10125     }
10126   }
10127
10128   DrawText(x, y + 0 * tilesize, "content", font_nr);
10129   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10130   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10131 }
10132
10133 static void DrawMagicBallContentAreas(void)
10134 {
10135   int font_nr = FONT_TEXT_1;
10136   int font_height = getFontHeight(font_nr);
10137   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10138   int yoffset = (tilesize - font_height) / 2;
10139   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10140   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10141   int i;
10142
10143   // display counter to choose number of element content areas
10144   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10145
10146   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10147   {
10148     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10149
10150     if (i < level.num_ball_contents)
10151     {
10152       MapDrawingArea(id);
10153     }
10154     else
10155     {
10156       UnmapDrawingArea(id);
10157
10158       // delete content areas in case of reducing number of them
10159       RemoveElementContentArea(id, font_height);
10160     }
10161   }
10162
10163   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10164   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10165   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10166 }
10167
10168 static void DrawAndroidElementArea(void)
10169 {
10170   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10171   int num_elements = level.num_android_clone_elements;
10172   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10173   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10174   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10175   int xsize = MAX_ANDROID_ELEMENTS;
10176   int ysize = 1;
10177
10178   // display counter to choose number of element areas
10179   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
10180
10181   if (drawingarea_info[id].text_left != NULL)
10182     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10183
10184   UnmapDrawingArea(id);
10185
10186   ModifyEditorDrawingArea(id, num_elements, 1);
10187
10188   // delete content areas in case of reducing number of them
10189   DrawBackground(sx, sy,
10190                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10191                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10192
10193   MapDrawingArea(id);
10194 }
10195
10196 static void DrawGroupElementArea(void)
10197 {
10198   int id = ED_DRAWING_ID_GROUP_CONTENT;
10199   int num_elements = group_element_info.num_elements;
10200   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10201   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10202   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10203   int xsize = MAX_ELEMENTS_IN_GROUP;
10204   int ysize = 1;
10205
10206   if (drawingarea_info[id].text_left != NULL)
10207     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10208
10209   UnmapDrawingArea(id);
10210
10211   ModifyEditorDrawingArea(id, num_elements, 1);
10212
10213   // delete content areas in case of reducing number of them
10214   DrawBackground(sx, sy,
10215                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10216                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10217
10218   MapDrawingArea(id);
10219 }
10220
10221 static void DrawPlayerInitialInventoryArea(int element)
10222 {
10223   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
10224   int player_nr = GET_PLAYER_NR(element);
10225   int num_elements = level.initial_inventory_size[player_nr];
10226   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10227   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10228   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10229   int xsize = MAX_INITIAL_INVENTORY_SIZE;
10230   int ysize = 1;
10231
10232   // determine horizontal position to the right of specified gadget
10233   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
10234     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
10235           ED_DRAWINGAREA_TEXT_DISTANCE);
10236
10237   // determine horizontal offset for leading text
10238   if (drawingarea_info[id].text_left != NULL)
10239     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10240
10241   UnmapDrawingArea(id);
10242
10243   ModifyEditorDrawingArea(id, num_elements, 1);
10244
10245   // delete content areas in case of reducing number of them
10246   DrawBackground(sx, sy,
10247                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10248                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10249
10250   MapDrawingArea(id);
10251 }
10252
10253 static void DrawMMBallContentArea(void)
10254 {
10255   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
10256   int num_elements = level.num_mm_ball_contents;
10257   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10258   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10259   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10260   int xsize = MAX_MM_BALL_CONTENTS;
10261   int ysize = 1;
10262
10263   if (drawingarea_info[id].text_left != NULL)
10264     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10265
10266   UnmapDrawingArea(id);
10267
10268   ModifyEditorDrawingArea(id, num_elements, 1);
10269
10270   // delete content areas in case of reducing number of them
10271   DrawBackground(sx, sy,
10272                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10273                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10274
10275   MapDrawingArea(id);
10276 }
10277
10278 static void DrawEnvelopeTextArea(int envelope_nr)
10279 {
10280   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
10281   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
10282
10283   UnmapGadget(gi);
10284
10285   DrawBackground(gi->x, gi->y,
10286                  gi->textarea.crop_width, gi->textarea.crop_height);
10287
10288   if (envelope_nr != -1)
10289     textarea_info[id].value = level.envelope[envelope_nr].text;
10290
10291   ModifyGadget(gi, GDI_AREA_SIZE,
10292                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
10293                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
10294                GDI_END);
10295
10296   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
10297 }
10298
10299 static void DrawPropertiesInfo(void)
10300 {
10301   static struct
10302   {
10303     int value;
10304     char *text;
10305   }
10306   properties[] =
10307   {
10308     // configurable properties
10309
10310     { EP_WALKABLE_OVER,         "- player can walk over it"             },
10311     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
10312     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
10313     { EP_PASSABLE_OVER,         "- player can pass over it"             },
10314     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
10315     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
10316     { EP_PROTECTED,             "- player is protected by it"           },
10317
10318     { EP_DIGGABLE,              "- can be digged away"                  },
10319     { EP_COLLECTIBLE,           "- can be collected"                    },
10320     { EP_DROPPABLE,             "- can be dropped after collecting"     },
10321     { EP_THROWABLE,             "- can be thrown after collecting"      },
10322     { EP_PUSHABLE,              "- can be pushed"                       },
10323
10324     { EP_CAN_FALL,              "- can fall"                            },
10325     { EP_CAN_MOVE,              "- can move"                            },
10326
10327     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
10328 #if 0
10329     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
10330 #endif
10331     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
10332
10333     { EP_SLIPPERY,              "- slippery for falling elements"       },
10334     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
10335
10336     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
10337     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
10338     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
10339     { EP_DONT_TOUCH,            "- deadly when touching"                },
10340
10341     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
10342
10343     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
10344     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
10345     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
10346
10347     { EP_CAN_CHANGE,            "- can change to other element"         },
10348
10349     // pre-defined properties
10350     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
10351     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
10352     { EP_SWITCHABLE,            "- can be switched"                     },
10353 #if 0
10354     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
10355 #endif
10356
10357     { -1,                       NULL                                    }
10358   };
10359   char *filename = getElementDescriptionFilename(properties_element);
10360   char *num_elements_text = "In this level: ";
10361   char *num_similar_text = "Similar tiles: ";
10362   char *properties_text = "Standard properties: ";
10363   char *description_text = "Description:";
10364   char *no_description_text = "No description available.";
10365   char *none_text = "None";
10366   float percentage;
10367   int num_elements_in_level = 0;
10368   int num_similar_in_level = 0;
10369   int num_hires_tiles_in_level = 0;
10370   int num_standard_properties = 0;
10371   int font1_nr = FONT_TEXT_1;
10372   int font2_nr = FONT_TEXT_2;
10373   int font1_width = getFontWidth(font1_nr);
10374   int font1_height = getFontHeight(font1_nr);
10375   int font2_height = getFontHeight(font2_nr);
10376   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
10377   int font2_yoffset = (font1_height - font2_height) / 2;
10378   int num_elements_text_len = strlen(num_elements_text) * font1_width;
10379   int num_similar_text_len = strlen(num_similar_text) * font1_width;
10380   int properties_text_len = strlen(properties_text) * font1_width;
10381   int xpos = ED_ELEMENT_SETTINGS_X(0);
10382   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10383   int i, x, y;
10384
10385   if (setup.editor.show_element_token)
10386   {
10387     int font3_nr = FONT_TEXT_3;
10388     int font3_height = getFontHeight(font3_nr);
10389
10390     DrawTextF(xpos, ypos, font3_nr,
10391               "[%s]", element_info[properties_element].token_name);
10392
10393     ypos += 2 * font3_height;
10394   }
10395
10396   // ----- print number of elements / percentage of this element in level
10397
10398   for (y = 0; y < lev_fieldy; y++)
10399   {
10400     for (x = 0; x < lev_fieldx; x++)
10401     {
10402       if (Tile[x][y] == properties_element)
10403       {
10404         num_elements_in_level++;
10405       }
10406       else if (IS_MM_WALL(Tile[x][y]) &&
10407                map_mm_wall_element(Tile[x][y]) == properties_element)
10408       {
10409         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
10410       }
10411     }
10412   }
10413
10414   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10415
10416   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
10417
10418   if (num_hires_tiles_in_level > 0)
10419     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10420               "%d wall tiles", num_hires_tiles_in_level);
10421   else if (num_elements_in_level > 0)
10422     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10423               "%d (%.2f %%)", num_elements_in_level, percentage);
10424   else
10425     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10426               none_text);
10427
10428   // ----- print number of similar elements / percentage of them in level
10429
10430   for (y = 0; y < lev_fieldy; y++)
10431   {
10432     for (x = 0; x < lev_fieldx; x++)
10433     {
10434       if (strEqual(element_info[Tile[x][y]].class_name,
10435                    element_info[properties_element].class_name))
10436       {
10437         num_similar_in_level++;
10438       }
10439     }
10440   }
10441
10442   if (num_similar_in_level != num_elements_in_level)
10443   {
10444     ypos += 1 * MAX(font1_height, font2_height);
10445
10446     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10447
10448     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
10449
10450     if (num_similar_in_level > 0)
10451       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10452                 "%d (%.2f %%)", num_similar_in_level, percentage);
10453     else
10454       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10455                 none_text);
10456   }
10457
10458   ypos += 2 * MAX(font1_height, font2_height);
10459
10460   // ----- print standard properties of this element
10461
10462   DrawTextS(xpos, ypos, font1_nr, properties_text);
10463
10464   ypos += line1_height;
10465
10466   for (i = 0; properties[i].value != -1; i++)
10467   {
10468     if (!HAS_PROPERTY(properties_element, properties[i].value))
10469       continue;
10470
10471     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
10472
10473     ypos += font2_height;
10474
10475     num_standard_properties++;
10476   }
10477
10478   if (num_standard_properties == 0)
10479   {
10480     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
10481               font2_nr, none_text);
10482
10483     ypos -= (line1_height - font1_height);
10484   }
10485
10486   ypos += MAX(font1_height, font2_height);
10487
10488   // ----- print special description of this element
10489
10490   PrintInfoText(description_text, font1_nr, xpos, ypos);
10491
10492   ypos += line1_height;
10493
10494   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
10495     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
10496 }
10497
10498 #define TEXT_COLLECTING         "Score for collecting"
10499 #define TEXT_COLLECTING_EXTRA   "Score for extra diamonds"
10500 #define TEXT_SMASHING           "Score for smashing"
10501 #define TEXT_SLURPING           "Score for slurping robot"
10502 #define TEXT_CRACKING           "Score for cracking"
10503 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
10504 #define TEXT_DURATION           "Duration when activated"
10505 #define TEXT_DELAY_ON           "Delay before activating"
10506 #define TEXT_DELAY_OFF          "Delay before deactivating"
10507 #define TEXT_DELAY_CHANGING     "Delay before changing"
10508 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
10509 #define TEXT_DELAY_MOVING       "Delay before moving"
10510 #define TEXT_BALL_DELAY         "Element generation delay"
10511 #define TEXT_MOVE_SPEED         "Speed of android moving"
10512 #define TEXT_CLONE_SPEED        "Speed of android cloning"
10513 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
10514 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
10515 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
10516 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
10517 #define TEXT_TIME_BONUS         "Extra time to solve level"
10518
10519 static struct
10520 {
10521   int element;
10522   int *value;
10523   char *text;
10524 } elements_with_counter[] =
10525 {
10526   { EL_EMERALD,                 &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10527   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10528   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA], TEXT_COLLECTING_EXTRA   },
10529   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10530   { EL_EMERALD_RED,             &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10531   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10532   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10533   { EL_DIAMOND,                 &level.score[SC_DIAMOND],       TEXT_COLLECTING         },
10534   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],       TEXT_COLLECTING         },
10535   { EL_PEARL,                   &level.score[SC_PEARL],         TEXT_COLLECTING         },
10536   { EL_BUG,                     &level.score[SC_BUG],           TEXT_SMASHING           },
10537   { EL_BUG_RIGHT,               &level.score[SC_BUG],           TEXT_SMASHING           },
10538   { EL_BUG_UP,                  &level.score[SC_BUG],           TEXT_SMASHING           },
10539   { EL_BUG_LEFT,                &level.score[SC_BUG],           TEXT_SMASHING           },
10540   { EL_BUG_DOWN,                &level.score[SC_BUG],           TEXT_SMASHING           },
10541   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],           TEXT_SMASHING           },
10542   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],           TEXT_SMASHING           },
10543   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],           TEXT_SMASHING           },
10544   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],           TEXT_SMASHING           },
10545   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],           TEXT_SMASHING           },
10546   { EL_SP_ELECTRON,             &level.score[SC_BUG],           TEXT_SMASHING           },
10547   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10548   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10549   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10550   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10551   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10552   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10553   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10554   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10555   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10556   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10557   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10558   { EL_YAMYAM,                  &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10559   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10560   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10561   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10562   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10563   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10564   { EL_ROBOT,                   &level.score[SC_ROBOT],         TEXT_SMASHING           },
10565   { EL_PACMAN,                  &level.score[SC_PACMAN],        TEXT_SMASHING           },
10566   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],        TEXT_SMASHING           },
10567   { EL_PACMAN_UP,               &level.score[SC_PACMAN],        TEXT_SMASHING           },
10568   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],        TEXT_SMASHING           },
10569   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],        TEXT_SMASHING           },
10570   { EL_NUT,                     &level.score[SC_NUT],           TEXT_CRACKING           },
10571   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10572   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10573   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10574   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10575   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10576   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],        TEXT_COLLECTING         },
10577   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],        TEXT_COLLECTING         },
10578   { EL_EXTRA_TIME,              &level.extra_time_score,        TEXT_COLLECTING         },
10579   { EL_KEY_1,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10580   { EL_KEY_2,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10581   { EL_KEY_3,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10582   { EL_KEY_4,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10583   { EL_EM_KEY_1,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10584   { EL_EM_KEY_2,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10585   { EL_EM_KEY_3,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10586   { EL_EM_KEY_4,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10587   { EL_EMC_KEY_5,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10588   { EL_EMC_KEY_6,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10589   { EL_EMC_KEY_7,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10590   { EL_EMC_KEY_8,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10591   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],           TEXT_COLLECTING         },
10592   { EL_MM_KETTLE,               &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10593   { EL_DF_CELL,                 &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10594   { EL_MM_KEY,                  &level.score[SC_KEY],           TEXT_COLLECTING         },
10595   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING         },
10596   { EL_MM_PACMAN,               &level.score[SC_PACMAN],        TEXT_SMASHING           },
10597   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],        TEXT_SMASHING           },
10598   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],        TEXT_SMASHING           },
10599   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],        TEXT_SMASHING           },
10600   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],        TEXT_SMASHING           },
10601   { EL_AMOEBA_WET,              &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10602   { EL_AMOEBA_DRY,              &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10603   { EL_AMOEBA_FULL,             &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10604   { EL_BD_AMOEBA,               &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10605   { EL_EMC_DRIPPER,             &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10606   { EL_MAGIC_WALL,              &level.time_magic_wall,         TEXT_DURATION           },
10607   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,         TEXT_DURATION           },
10608   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,         TEXT_DURATION           },
10609   { EL_ROBOT_WHEEL,             &level.time_wheel,              TEXT_DURATION           },
10610   { EL_TIMEGATE_SWITCH,         &level.time_timegate,           TEXT_DURATION           },
10611   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,           TEXT_DURATION           },
10612   { EL_LIGHT_SWITCH,            &level.time_light,              TEXT_DURATION           },
10613   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,              TEXT_DURATION           },
10614   { EL_SHIELD_NORMAL,           &level.shield_normal_time,      TEXT_DURATION           },
10615   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,      TEXT_DURATION           },
10616   { EL_EXTRA_TIME,              &level.extra_time,              TEXT_TIME_BONUS         },
10617   { EL_TIME_ORB_FULL,           &level.time_orb_time,           TEXT_TIME_BONUS         },
10618   { EL_GAME_OF_LIFE,            &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1     },
10619   { EL_GAME_OF_LIFE,            &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2     },
10620   { EL_GAME_OF_LIFE,            &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3     },
10621   { EL_GAME_OF_LIFE,            &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4     },
10622   { EL_BIOMAZE,                 &level.biomaze[0],              TEXT_GAME_OF_LIFE_1     },
10623   { EL_BIOMAZE,                 &level.biomaze[1],              TEXT_GAME_OF_LIFE_2     },
10624   { EL_BIOMAZE,                 &level.biomaze[2],              TEXT_GAME_OF_LIFE_3     },
10625   { EL_BIOMAZE,                 &level.biomaze[3],              TEXT_GAME_OF_LIFE_4     },
10626   { EL_EMC_ANDROID,             &level.android_move_time,       TEXT_MOVE_SPEED         },
10627   { EL_EMC_ANDROID,             &level.android_clone_time,      TEXT_CLONE_SPEED        },
10628   { EL_EMC_MAGIC_BALL,          &level.ball_time,               TEXT_BALL_DELAY         },
10629   { EL_EMC_LENSES,              &level.lenses_score,            TEXT_COLLECTING         },
10630   { EL_EMC_MAGNIFIER,           &level.magnify_score,           TEXT_COLLECTING         },
10631   { EL_SPRING,                  &level.slurp_score,             TEXT_SLURPING           },
10632   { EL_SPRING_LEFT,             &level.slurp_score,             TEXT_SLURPING           },
10633   { EL_SPRING_RIGHT,            &level.slurp_score,             TEXT_SLURPING           },
10634   { EL_EMC_LENSES,              &level.lenses_time,             TEXT_DURATION           },
10635   { EL_EMC_MAGNIFIER,           &level.magnify_time,            TEXT_DURATION           },
10636   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,            TEXT_DELAY_OFF          },
10637   { EL_MM_BOMB,                 &level.mm_time_bomb,            TEXT_DELAY_EXPLODING    },
10638   { EL_MM_GRAY_BALL,            &level.mm_time_ball,            TEXT_DELAY_CHANGING     },
10639   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,           TEXT_DELAY_MOVING       },
10640   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,           TEXT_DELAY_MOVING       },
10641
10642   { -1,                         NULL,                           NULL                    }
10643 };
10644
10645 static boolean checkPropertiesConfig(int element)
10646 {
10647   int i;
10648
10649   // special case: empty space customization only available in R'n'D game engine
10650   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
10651     return FALSE;
10652
10653   if (IS_GEM(element) ||
10654       IS_CUSTOM_ELEMENT(element) ||
10655       IS_GROUP_ELEMENT(element) ||
10656       IS_EMPTY_ELEMENT(element) ||
10657       IS_BALLOON_ELEMENT(element) ||
10658       IS_ENVELOPE(element) ||
10659       IS_MM_ENVELOPE(element) ||
10660       IS_MM_MCDUFFIN(element) ||
10661       IS_DF_LASER(element) ||
10662       IS_PLAYER_ELEMENT(element) ||
10663       IS_BD_PLAYER_ELEMENT(element) ||
10664       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
10665       HAS_EDITOR_CONTENT(element) ||
10666       CAN_GROW(element) ||
10667       COULD_MOVE_INTO_ACID(element) ||
10668       MAYBE_DONT_COLLIDE_WITH(element))
10669     return TRUE;
10670   else
10671     for (i = 0; elements_with_counter[i].element != -1; i++)
10672       if (elements_with_counter[i].element == element)
10673         return TRUE;
10674
10675   return FALSE;
10676 }
10677
10678 static void SetAutomaticNumberOfGemsNeeded(void)
10679 {
10680   int x, y;
10681
10682   if (!level.auto_count_gems)
10683     return;
10684
10685   level.gems_needed = 0;
10686
10687   for (x = 0; x < lev_fieldx; x++)
10688   {
10689     for (y = 0; y < lev_fieldy; y++)
10690     {
10691       int element = Tile[x][y];
10692
10693       switch (element)
10694       {
10695         case EL_EMERALD:
10696         case EL_EMERALD_YELLOW:
10697         case EL_EMERALD_RED:
10698         case EL_EMERALD_PURPLE:
10699         case EL_BD_DIAMOND:
10700         case EL_WALL_EMERALD:
10701         case EL_WALL_EMERALD_YELLOW:
10702         case EL_WALL_EMERALD_RED:
10703         case EL_WALL_EMERALD_PURPLE:
10704         case EL_WALL_BD_DIAMOND:
10705         case EL_NUT:
10706         case EL_SP_INFOTRON:
10707         case EL_MM_KETTLE:
10708         case EL_DF_CELL:
10709           level.gems_needed++;
10710           break;
10711
10712         case EL_DIAMOND:
10713         case EL_WALL_DIAMOND:
10714           level.gems_needed += 3;
10715           break;
10716
10717         case EL_PEARL:
10718         case EL_WALL_PEARL:
10719           level.gems_needed += 5;
10720           break;
10721
10722         case EL_CRYSTAL:
10723         case EL_WALL_CRYSTAL:
10724           level.gems_needed += 8;
10725           break;
10726
10727         default:
10728           break;
10729       }
10730     }
10731   }
10732
10733   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
10734 }
10735
10736 static void DrawPropertiesConfig(void)
10737 {
10738   boolean draw_footer_line = FALSE;
10739   int max_num_element_counters = 4;
10740   int num_element_counters = 0;
10741   int i;
10742
10743   if (!checkPropertiesConfig(properties_element))
10744   {
10745     int xpos = ED_ELEMENT_SETTINGS_X(0);
10746     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10747
10748     PrintInfoText("No configuration options available.",
10749                   FONT_TEXT_1, xpos, ypos);
10750
10751     return;
10752   }
10753
10754   // check if there are elements where a value can be chosen for
10755   for (i = 0; elements_with_counter[i].element != -1; i++)
10756   {
10757     if (elements_with_counter[i].element == properties_element)
10758     {
10759       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
10760
10761       counterbutton_info[counter_id].y =
10762         ED_ELEMENT_SETTINGS_YPOS(
10763                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
10764                 (CAN_GROW(properties_element)                ? 1 : 0) +
10765                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
10766                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
10767                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
10768                 num_element_counters);
10769
10770       counterbutton_info[counter_id].value = elements_with_counter[i].value;
10771       counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
10772
10773       if (properties_element == EL_GAME_OF_LIFE ||
10774           properties_element == EL_BIOMAZE)
10775       {
10776         counterbutton_info[counter_id].min_value = 0;   // min neighbours
10777         counterbutton_info[counter_id].max_value = 8;   // max neighbours
10778       }
10779       else
10780       {
10781         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
10782         counterbutton_info[counter_id].min_value = MIN_SCORE;
10783         counterbutton_info[counter_id].max_value = MAX_SCORE;
10784       }
10785
10786       MapCounterButtons(counter_id);
10787
10788       num_element_counters++;
10789       if (num_element_counters >= max_num_element_counters)
10790         break;
10791     }
10792   }
10793
10794   if (HAS_EDITOR_CONTENT(properties_element))
10795   {
10796     // draw stickybutton gadget
10797     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10798
10799     if (IS_AMOEBOID(properties_element))
10800       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
10801     else if (properties_element == EL_YAMYAM ||
10802              properties_element == EL_YAMYAM_LEFT ||
10803              properties_element == EL_YAMYAM_RIGHT ||
10804              properties_element == EL_YAMYAM_UP ||
10805              properties_element == EL_YAMYAM_DOWN)
10806       DrawYamYamContentAreas();
10807     else if (properties_element == EL_EMC_MAGIC_BALL)
10808     {
10809       DrawMagicBallContentAreas();
10810
10811       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
10812       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
10813     }
10814     else if (properties_element == EL_EMC_ANDROID)
10815       DrawAndroidElementArea();
10816     else if (properties_element == EL_MM_GRAY_BALL)
10817     {
10818       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
10819       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
10820       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
10821       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
10822
10823       DrawMMBallContentArea();
10824     }
10825   }
10826
10827   if (IS_PLAYER_ELEMENT(properties_element))
10828   {
10829     int player_nr = GET_PLAYER_NR(properties_element);
10830
10831     // these properties can be set for every player individually
10832
10833     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10834     {
10835       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
10836         &level.start_element[player_nr];
10837       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
10838         &level.artwork_element[player_nr];
10839       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
10840         &level.explosion_element[player_nr];
10841
10842       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
10843         &level.use_start_element[player_nr];
10844       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
10845         &level.use_artwork_element[player_nr];
10846       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
10847         &level.use_explosion_element[player_nr];
10848       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
10849         &level.initial_player_gravity[player_nr];
10850
10851       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
10852         &level.initial_player_stepsize[player_nr];
10853
10854       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
10855       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
10856                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
10857                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
10858       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
10859       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
10860       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
10861       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
10862       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
10863       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
10864       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
10865       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
10866       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
10867       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
10868       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
10869
10870       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
10871       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
10872       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
10873
10874       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
10875     }
10876     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10877     {
10878       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
10879         &level.initial_inventory_content[player_nr][0];
10880
10881       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
10882         &level.initial_inventory_size[player_nr];
10883
10884       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
10885         &level.use_initial_inventory[player_nr];
10886
10887       // draw checkbutton gadgets
10888       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
10889       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
10890       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
10891
10892       // draw counter gadgets
10893       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
10894
10895       // draw drawing area gadgets
10896       DrawPlayerInitialInventoryArea(properties_element);
10897     }
10898   }
10899
10900   if (IS_BD_PLAYER_ELEMENT(properties_element))
10901     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
10902
10903   // special case: slippery walls option for gems only available in R'n'D game engine
10904   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
10905   {
10906     checkbutton_info[ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS].y =
10907       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_BD_DIAMOND ? 2 : 1);
10908
10909     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
10910   }
10911
10912   if (properties_element == EL_EM_DYNAMITE)
10913     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
10914
10915   if (COULD_MOVE_INTO_ACID(properties_element) &&
10916       !IS_PLAYER_ELEMENT(properties_element) &&
10917       (!IS_CUSTOM_ELEMENT(properties_element) ||
10918        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
10919   {
10920     // set position for checkbutton for "can move into acid"
10921     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
10922       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
10923     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
10924       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
10925                                IS_BALLOON_ELEMENT(properties_element) ||
10926                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10927
10928     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
10929   }
10930
10931   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
10932     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
10933
10934   if (properties_element == EL_SPRING ||
10935       properties_element == EL_SPRING_LEFT ||
10936       properties_element == EL_SPRING_RIGHT)
10937     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
10938
10939   if (properties_element == EL_TIME_ORB_FULL)
10940     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
10941
10942   if (properties_element == EL_GAME_OF_LIFE ||
10943       properties_element == EL_BIOMAZE)
10944     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
10945
10946   if (CAN_GROW(properties_element))
10947   {
10948     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
10949       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10950
10951     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
10952   }
10953
10954   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
10955     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
10956
10957   if (properties_element == EL_SOKOBAN_OBJECT)
10958     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
10959
10960   if (properties_element == EL_SOKOBAN_OBJECT ||
10961       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
10962       properties_element == EL_SOKOBAN_FIELD_FULL)
10963   {
10964     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
10965       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
10966                                0 : 1);
10967
10968     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
10969   }
10970
10971   if (IS_BALLOON_ELEMENT(properties_element))
10972     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
10973
10974   if (IS_ENVELOPE(properties_element) ||
10975       IS_MM_ENVELOPE(properties_element))
10976   {
10977     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
10978     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
10979     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
10980     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
10981     int envelope_nr = ENVELOPE_NR(properties_element);
10982
10983     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
10984     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
10985
10986     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
10987     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
10988
10989     // display counter to choose size of envelope text area
10990     MapCounterButtons(counter1_id);
10991     MapCounterButtons(counter2_id);
10992
10993     // display checkbuttons to choose auto-wrap and alignment properties
10994     MapCheckbuttonGadget(button1_id);
10995     MapCheckbuttonGadget(button2_id);
10996
10997     DrawEnvelopeTextArea(envelope_nr);
10998   }
10999
11000   if (IS_MM_MCDUFFIN(properties_element))
11001   {
11002     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
11003     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
11004     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
11005   }
11006
11007   if (IS_DF_LASER(properties_element))
11008   {
11009     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
11010     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
11011     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
11012   }
11013
11014   if (IS_CUSTOM_ELEMENT(properties_element))
11015   {
11016     // draw stickybutton gadget
11017     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11018
11019     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11020     {
11021       // draw checkbutton gadgets
11022       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
11023            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
11024         MapCheckbuttonGadget(i);
11025
11026       // draw counter gadgets
11027       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
11028            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
11029         MapCounterButtons(i);
11030
11031       // draw selectbox gadgets
11032       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
11033            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
11034         MapSelectboxGadget(i);
11035
11036       // draw textbutton gadgets
11037       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11038
11039       // draw text input gadgets
11040       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11041
11042       // draw drawing area gadgets
11043       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11044
11045       draw_footer_line = TRUE;
11046     }
11047     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11048     {
11049       // draw checkbutton gadgets
11050       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
11051            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
11052         MapCheckbuttonGadget(i);
11053
11054       // draw counter gadgets
11055       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
11056            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
11057         MapCounterButtons(i);
11058
11059       // draw selectbox gadgets
11060       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
11061            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
11062         MapSelectboxGadget(i);
11063
11064       // draw drawing area gadgets
11065       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
11066       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
11067       DrawCustomContentArea();
11068     }
11069   }
11070   else if (IS_GROUP_ELEMENT(properties_element))
11071   {
11072     // draw stickybutton gadget
11073     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11074
11075     // draw checkbutton gadgets
11076     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11077     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11078
11079     // draw counter gadgets
11080     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
11081
11082     // draw selectbox gadgets
11083     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
11084
11085     // draw textbutton gadgets
11086     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11087
11088     // draw drawing area gadgets
11089     DrawGroupElementArea();
11090
11091     // draw text input gadgets
11092     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11093
11094     // draw drawing area gadgets
11095     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11096
11097     draw_footer_line = TRUE;
11098   }
11099   else if (IS_EMPTY_ELEMENT(properties_element))
11100   {
11101     // draw stickybutton gadget
11102     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11103
11104     // draw checkbutton gadgets
11105     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11106     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11107
11108     // draw textbutton gadgets
11109     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11110
11111     // draw drawing area gadgets
11112     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11113
11114     draw_footer_line = TRUE;
11115   }
11116
11117   // draw little footer border line above CE/GE use/save template gadgets
11118   if (draw_footer_line)
11119   {
11120     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11121     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11122     int gd_x = gd->x + gd_gi1->border.width / 2;
11123     int gd_y = gd->y + gd_gi1->height - 1;
11124     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
11125
11126     if (tab_color != BLACK_PIXEL)               // black => transparent
11127       FillRectangle(drawto,
11128                     SX + ED_ELEMENT_SETTINGS_X(0),
11129                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
11130                     ED_TAB_BAR_HEIGHT,
11131                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11132   }
11133 }
11134
11135 static void DrawPropertiesChangeDrawingAreas(void)
11136 {
11137   if (IS_CUSTOM_ELEMENT(properties_element))
11138   {
11139     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
11140     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
11141     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
11142
11143     DrawCustomChangeContentArea();
11144   }
11145
11146   redraw_mask |= REDRAW_FIELD;
11147 }
11148
11149 static void DrawPropertiesChange(void)
11150 {
11151   int i;
11152
11153   // needed to initially set selectbox options for special action options
11154   setSelectboxSpecialActionOptions();
11155
11156   // draw stickybutton gadget
11157   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11158
11159   // draw checkbutton gadgets
11160   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
11161        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
11162     MapCheckbuttonGadget(i);
11163
11164   // draw counter gadgets
11165   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
11166        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
11167     MapCounterButtons(i);
11168
11169   // draw selectbox gadgets
11170   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
11171        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
11172     MapSelectboxGadget(i);
11173
11174   // draw textbutton gadgets
11175   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
11176        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
11177     MapTextbuttonGadget(i);
11178
11179   // draw graphicbutton gadgets
11180   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
11181        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
11182     MapGraphicbuttonGadget(i);
11183
11184   // draw drawing area gadgets
11185   DrawPropertiesChangeDrawingAreas();
11186 }
11187
11188 static void DrawEditorElementAnimation(int x, int y)
11189 {
11190   int graphic = el2img(properties_element);
11191   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
11192                custom_element.ce_value_fixed_initial :
11193                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
11194                custom_element.collect_score_initial : FrameCounter);
11195
11196   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
11197 }
11198
11199 static void DrawEditorElementName(int x, int y, int font_nr)
11200 {
11201   char *element_name = getElementInfoText(properties_element);
11202   int font_width = getFontWidth(font_nr);
11203   int font_height = getFontHeight(font_nr);
11204   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
11205   int max_chars_per_line = max_text_width / font_width;
11206
11207   if (strlen(element_name) <= max_chars_per_line)
11208     DrawTextS(x, y, font_nr, element_name);
11209   else
11210   {
11211     char buffer[max_chars_per_line + 1];
11212     int next_pos = max_chars_per_line;
11213
11214     strncpy(buffer, element_name, max_chars_per_line);
11215     buffer[max_chars_per_line] = '\0';
11216
11217     if (element_name[max_chars_per_line] == ' ')
11218       next_pos++;
11219     else
11220     {
11221       int i;
11222
11223       for (i = max_chars_per_line - 1; i >= 0; i--)
11224         if (buffer[i] == ' ')
11225           break;
11226
11227       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
11228       {
11229         buffer[i] = '\0';
11230         next_pos = i + 1;
11231       }
11232     }
11233
11234     DrawTextS(x, y - font_height / 2, font_nr, buffer);
11235
11236     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
11237     buffer[max_chars_per_line] = '\0';
11238
11239     DrawTextS(x, y + font_height / 2, font_nr, buffer);
11240   }
11241 }
11242
11243 static void DrawPropertiesWindow(void)
11244 {
11245   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
11246   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
11247   int border_size = gd->border_size;
11248   int font_nr = FONT_TEXT_1;
11249   int font_height = getFontHeight(font_nr);
11250   int xoffset = TILEX + element_border + 3 * border_size;
11251   int yoffset = (TILEY - font_height) / 2;
11252   int x1 = editor.settings.element_graphic.x + element_border;
11253   int y1 = editor.settings.element_graphic.y + element_border;
11254   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
11255             editor.settings.element_name.x);
11256   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
11257             editor.settings.element_name.y);
11258   char *text = "Element Settings";
11259   int font2_nr = FONT_TITLE_1;
11260   struct MenuPosInfo *pos = &editor.settings.headline;
11261   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
11262   int sy = SY + pos->y;
11263
11264   stick_element_properties_window = FALSE;
11265
11266   // make sure that previous properties edit mode exists for this element
11267   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
11268       !IS_CUSTOM_ELEMENT(properties_element))
11269     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
11270
11271   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
11272       !IS_PLAYER_ELEMENT(properties_element) &&
11273       !IS_CUSTOM_ELEMENT(properties_element))
11274     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
11275
11276   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
11277       (IS_PLAYER_ELEMENT(properties_element) ||
11278        IS_CUSTOM_ELEMENT(properties_element)))
11279     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
11280
11281   CopyElementPropertiesToEditor(properties_element);
11282
11283   UnmapLevelEditorFieldGadgets();
11284   UnmapLevelEditorToolboxDrawingGadgets();
11285   UnmapLevelEditorToolboxCustomGadgets();
11286
11287   MapLevelEditorToolboxCustomGadgetsIfNeeded();
11288
11289   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11290   ClearField();
11291
11292   DrawText(sx, sy, text, font2_nr);
11293
11294   FrameCounter = 0;     // restart animation frame counter
11295
11296   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
11297   DrawEditorElementAnimation(SX + x1, SY + y1);
11298   DrawEditorElementName(x2, y2, font_nr);
11299
11300   DrawPropertiesTabulatorGadgets();
11301
11302   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
11303     DrawPropertiesInfo();
11304   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
11305     DrawPropertiesChange();
11306   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
11307     DrawPropertiesConfig();
11308 }
11309
11310 static void DrawPaletteWindow(void)
11311 {
11312   int i;
11313
11314   UnmapLevelEditorFieldGadgets();
11315
11316   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11317   ClearField();
11318
11319   // map buttons to select elements
11320   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
11321     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
11322   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
11323   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
11324   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
11325 }
11326
11327 static void UpdateCustomElementGraphicGadgets(void)
11328 {
11329   int i;
11330
11331   InitElementPropertiesGfxElement();
11332
11333   ModifyEditorElementList();
11334   RedrawDrawingElements();
11335
11336   // force redraw of all mapped drawing area gadgets
11337   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
11338   {
11339     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
11340
11341     if (gi->mapped)
11342       MapDrawingArea(i);
11343   }
11344 }
11345
11346 static int getOpenDirectionFromTube(int element)
11347 {
11348   switch (element)
11349   {
11350     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
11351     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
11352     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
11353     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
11354     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
11355     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
11356     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
11357     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
11358     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
11359     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
11360     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
11361   }
11362
11363   return MV_NONE;
11364 }
11365
11366 static int getTubeFromOpenDirection(int direction)
11367 {
11368   switch (direction)
11369   {
11370     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
11371     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
11372     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
11373     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
11374     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
11375     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
11376     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
11377     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
11378     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
11379     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
11380     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
11381
11382     // if only one direction, fall back to simple tube with that direction
11383     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
11384     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
11385     case (MV_UP):                       return EL_TUBE_VERTICAL;
11386     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
11387   }
11388
11389   return EL_EMPTY;
11390 }
11391
11392 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
11393 {
11394   int element_new = getTubeFromOpenDirection(direction);
11395
11396   return (element_new != EL_EMPTY ? element_new : element_old);
11397 }
11398
11399 static int getOpenDirectionFromBelt(int element)
11400 {
11401   int belt_dir = getBeltDirFromBeltElement(element);
11402
11403   return (belt_dir == MV_LEFT ? MV_RIGHT :
11404           belt_dir == MV_RIGHT ? MV_LEFT :
11405           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
11406 }
11407
11408 static int getBeltFromNrAndOpenDirection(int nr, int direction)
11409 {
11410   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
11411                   direction == MV_RIGHT ? MV_LEFT :
11412                   direction == MV_HORIZONTAL ? MV_NONE : direction);
11413
11414   if (direction == MV_NONE)
11415     return EL_EMPTY;
11416
11417   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
11418 }
11419
11420 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
11421                                                  int element_old)
11422 {
11423   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
11424
11425   return (element_new != EL_EMPTY ? element_new : element_old);
11426 }
11427
11428 static int getOpenDirectionFromPool(int element)
11429 {
11430   switch (element)
11431   {
11432     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
11433     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
11434     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
11435     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
11436     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
11437     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
11438   }
11439
11440   return MV_NONE;
11441 }
11442
11443 static int getPoolFromOpenDirection(int direction)
11444 {
11445   switch (direction)
11446   {
11447     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
11448     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
11449     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
11450     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
11451     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
11452     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
11453   }
11454
11455   return EL_EMPTY;
11456 }
11457
11458 static int getPoolFromOpenDirectionExt(int direction, int help_element)
11459 {
11460   int element = getPoolFromOpenDirection(direction);
11461   int help_direction = getOpenDirectionFromPool(help_element);
11462
11463   if (element == EL_EMPTY)
11464   {
11465     int help_direction_vertical = help_direction & MV_VERTICAL;
11466
11467     element = getPoolFromOpenDirection(direction | help_direction_vertical);
11468   }
11469
11470   if (element == EL_EMPTY)
11471   {
11472     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
11473
11474     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
11475   }
11476
11477   return element;
11478 }
11479
11480 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
11481 {
11482   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
11483
11484   return (element_new != EL_EMPTY ? element_new : element_old);
11485 }
11486
11487 static int getOpenDirectionFromPillar(int element)
11488 {
11489   switch (element)
11490   {
11491     case EL_EMC_WALL_1:                 return (MV_DOWN);
11492     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
11493     case EL_EMC_WALL_3:                 return (MV_UP);
11494   }
11495
11496   return MV_NONE;
11497 }
11498
11499 static int getPillarFromOpenDirection(int direction)
11500 {
11501   switch (direction)
11502   {
11503     case (MV_DOWN):                     return EL_EMC_WALL_1;
11504     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
11505     case (MV_UP):                       return EL_EMC_WALL_3;
11506   }
11507
11508   return EL_EMPTY;
11509 }
11510
11511 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
11512 {
11513   int element_new = getPillarFromOpenDirection(direction);
11514
11515   return (element_new != EL_EMPTY ? element_new : element_old);
11516 }
11517
11518 static int getOpenDirectionFromSteel2(int element)
11519 {
11520   switch (element)
11521   {
11522     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
11523     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
11524     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
11525     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
11526     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
11527     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
11528     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
11529     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
11530   }
11531
11532   return MV_NONE;
11533 }
11534
11535 static int getSteel2FromOpenDirection(int direction)
11536 {
11537   switch (direction)
11538   {
11539     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
11540     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
11541     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
11542     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
11543     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
11544     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
11545     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
11546     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
11547   }
11548
11549   return EL_EMPTY;
11550 }
11551
11552 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
11553 {
11554   int element_new = getSteel2FromOpenDirection(direction);
11555
11556   return (element_new != EL_EMPTY ? element_new : element_old);
11557 }
11558
11559 static int getOpenDirectionFromChip(int element)
11560 {
11561   switch (element)
11562   {
11563     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
11564     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
11565     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
11566     case EL_SP_CHIP_TOP:                return (MV_DOWN);
11567     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
11568   }
11569
11570   return MV_NONE;
11571 }
11572
11573 static int getChipFromOpenDirection(int direction)
11574 {
11575   switch (direction)
11576   {
11577     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
11578     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
11579     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
11580     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
11581     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
11582   }
11583
11584   return EL_EMPTY;
11585 }
11586
11587 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
11588 {
11589   int element_new = getChipFromOpenDirection(direction);
11590
11591   return (element_new != EL_EMPTY ? element_new : element_old);
11592 }
11593
11594 static int getClosedTube(int x, int y)
11595 {
11596   struct XY *xy = xy_directions;
11597   int element_old = IntelliDrawBuffer[x][y];
11598   int direction_old = getOpenDirectionFromTube(element_old);
11599   int direction_new = MV_NONE;
11600   int i;
11601
11602   for (i = 0; i < NUM_DIRECTIONS; i++)
11603   {
11604     int xx = x + xy[i].x;
11605     int yy = y + xy[i].y;
11606     int dir = MV_DIR_FROM_BIT(i);
11607     int dir_opposite = MV_DIR_OPPOSITE(dir);
11608
11609     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
11610         (direction_old & dir) &&
11611         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11612       direction_new |= dir;
11613   }
11614
11615   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
11616 }
11617
11618 static int getClosedBelt(int x, int y)
11619 {
11620   struct XY *xy = xy_directions;
11621   int element_old = IntelliDrawBuffer[x][y];
11622   int nr = getBeltNrFromBeltElement(element_old);
11623   int direction_old = getOpenDirectionFromBelt(element_old);
11624   int direction_new = MV_NONE;
11625   int i;
11626
11627   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11628   {
11629     int xx = x + xy[i].x;
11630     int yy = y + xy[i].y;
11631     int dir = MV_DIR_FROM_BIT(i);
11632     int dir_opposite = MV_DIR_OPPOSITE(dir);
11633
11634     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
11635         (direction_old & dir) &&
11636         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11637       direction_new |= dir;
11638   }
11639
11640   return getBeltFromNrAndOpenDirection(nr, direction_new);
11641 }
11642
11643 static int getClosedPool(int x, int y)
11644 {
11645   struct XY *xy = xy_directions;
11646   int element_old = IntelliDrawBuffer[x][y];
11647   int direction_old = getOpenDirectionFromPool(element_old);
11648   int direction_new = MV_NONE;
11649   int i;
11650
11651   for (i = 0; i < NUM_DIRECTIONS; i++)
11652   {
11653     int xx = x + xy[i].x;
11654     int yy = y + xy[i].y;
11655     int dir = MV_DIR_FROM_BIT(i);
11656     int dir_opposite = MV_DIR_OPPOSITE(dir);
11657
11658     if (IN_LEV_FIELD(xx, yy) &&
11659         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
11660         (direction_old & dir) &&
11661         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11662       direction_new |= dir;
11663   }
11664
11665   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
11666 }
11667
11668 static int getClosedPillar(int x, int y)
11669 {
11670   struct XY *xy = xy_directions;
11671   int element_old = IntelliDrawBuffer[x][y];
11672   int direction_old = getOpenDirectionFromPillar(element_old);
11673   int direction_new = MV_NONE;
11674   int i;
11675
11676   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11677   {
11678     int xx = x + xy[i].x;
11679     int yy = y + xy[i].y;
11680     int dir = MV_DIR_FROM_BIT(i);
11681     int dir_opposite = MV_DIR_OPPOSITE(dir);
11682
11683     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
11684         (direction_old & dir) &&
11685         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11686       direction_new |= dir;
11687   }
11688
11689   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
11690 }
11691
11692 static int getClosedSteel2(int x, int y)
11693 {
11694   struct XY *xy = xy_directions;
11695   int element_old = IntelliDrawBuffer[x][y];
11696   int direction_old = getOpenDirectionFromSteel2(element_old);
11697   int direction_new = MV_NONE;
11698   int i;
11699
11700   for (i = 0; i < NUM_DIRECTIONS; i++)
11701   {
11702     int xx = x + xy[i].x;
11703     int yy = y + xy[i].y;
11704     int dir = MV_DIR_FROM_BIT(i);
11705     int dir_opposite = MV_DIR_OPPOSITE(dir);
11706
11707     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
11708         (direction_old & dir) &&
11709         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11710       direction_new |= dir;
11711   }
11712
11713   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
11714 }
11715
11716 static int getClosedChip(int x, int y)
11717 {
11718   struct XY *xy = xy_directions;
11719   int element_old = IntelliDrawBuffer[x][y];
11720   int direction_old = getOpenDirectionFromChip(element_old);
11721   int direction_new = MV_NONE;
11722   int i;
11723
11724   for (i = 0; i < NUM_DIRECTIONS; i++)
11725   {
11726     int xx = x + xy[i].x;
11727     int yy = y + xy[i].y;
11728     int dir = MV_DIR_FROM_BIT(i);
11729     int dir_opposite = MV_DIR_OPPOSITE(dir);
11730
11731     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
11732         (direction_old & dir) &&
11733         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11734       direction_new |= dir;
11735   }
11736
11737   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
11738 }
11739
11740 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
11741                                 boolean change_level)
11742 {
11743   int sx = x - level_xpos;
11744   int sy = y - level_ypos;
11745   int old_element = Tile[x][y];
11746   int new_element = element;
11747   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
11748   boolean draw_masked = FALSE;
11749
11750   if (IS_MM_WALL_EDITOR(element))
11751   {
11752     element = map_mm_wall_element_editor(element) | new_bitmask;
11753
11754     if (IS_MM_WALL(old_element))
11755       element |= MM_WALL_BITS(old_element);
11756
11757     if (!change_level)
11758       draw_masked = TRUE;
11759   }
11760   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
11761   {
11762     int element_changed = old_element & ~new_bitmask;
11763
11764     if (MM_WALL_BITS(element_changed) != 0)
11765       element = element_changed;
11766   }
11767
11768   IntelliDrawBuffer[x][y] = element;
11769
11770   if (change_level)
11771     Tile[x][y] = element;
11772
11773   if (IN_ED_FIELD(sx, sy))
11774   {
11775     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
11776       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
11777     else if (draw_masked)
11778       DrawEditorElementThruMask(sx, sy, element);
11779     else
11780       DrawEditorElement(sx, sy, element);
11781   }
11782 }
11783
11784 static void SetElementSimple(int x, int y, int element, boolean change_level)
11785 {
11786   SetElementSimpleExt(x, y, 0, 0, element, change_level);
11787 }
11788
11789 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
11790                                            int x2, int y2, int *element2,
11791                                            int (*close_function)(int, int),
11792                                            boolean change_level)
11793 {
11794   // set neighbour elements to newly determined connections
11795   SetElementSimple(x1, y1, *element1, change_level);
11796   SetElementSimple(x2, y2, *element2, change_level);
11797
11798   // remove all open connections of neighbour elements
11799   *element1 = close_function(x1, y1);
11800   *element2 = close_function(x2, y2);
11801
11802   // set neighbour elements to new, minimized connections
11803   SetElementSimple(x1, y1, *element1, change_level);
11804   SetElementSimple(x2, y2, *element2, change_level);
11805 }
11806
11807 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
11808                                   boolean change_level, int button)
11809 {
11810   struct XY *xy = xy_directions;
11811   static int last_x = -1;
11812   static int last_y = -1;
11813
11814   if (new_element == EL_UNDEFINED)
11815   {
11816     last_x = -1;
11817     last_y = -1;
11818
11819     return;
11820   }
11821
11822   int old_element = IntelliDrawBuffer[x][y];
11823
11824   if (IS_TUBE(new_element))
11825   {
11826     int last_element_new = EL_UNDEFINED;
11827     int direction = MV_NONE;
11828     int i;
11829
11830     // if old element is of same kind, keep all existing directions
11831     if (IS_TUBE(old_element))
11832       direction |= getOpenDirectionFromTube(old_element);
11833
11834     for (i = 0; i < NUM_DIRECTIONS; i++)
11835     {
11836       int xx = x + xy[i].x;
11837       int yy = y + xy[i].y;
11838
11839       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11840           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
11841       {
11842         int dir = MV_DIR_FROM_BIT(i);
11843         int dir_opposite = MV_DIR_OPPOSITE(dir);
11844         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11845         int last_direction_old = getOpenDirectionFromTube(last_element_old);
11846         int last_direction_new = last_direction_old | dir_opposite;
11847
11848         last_element_new = getTubeFromOpenDirection(last_direction_new);
11849
11850         direction |= dir;
11851       }
11852     }
11853
11854     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
11855
11856     if (last_element_new != EL_UNDEFINED)
11857       MergeAndCloseNeighbourElements(x, y, &new_element,
11858                                      last_x, last_y, &last_element_new,
11859                                      getClosedTube, change_level);
11860   }
11861   else if (IS_BELT(new_element))
11862   {
11863     int belt_nr = getBeltNrFromBeltElement(new_element);
11864     int last_element_new = EL_UNDEFINED;
11865     int direction = MV_NONE;
11866     int i;
11867
11868     // if old element is of same kind, keep all existing directions
11869     if (IS_BELT(old_element))
11870       direction |= getOpenDirectionFromBelt(old_element);
11871
11872     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11873     {
11874       int xx = x + xy[i].x;
11875       int yy = y + xy[i].y;
11876
11877       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11878           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
11879       {
11880         int dir = MV_DIR_FROM_BIT(i);
11881         int dir_opposite = MV_DIR_OPPOSITE(dir);
11882         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11883         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
11884         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
11885         int last_direction_new = last_direction_old | dir_opposite;
11886
11887         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
11888                                                          last_direction_new);
11889         direction |= dir;
11890       }
11891     }
11892
11893     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
11894                                                         new_element);
11895     if (last_element_new != EL_UNDEFINED)
11896       MergeAndCloseNeighbourElements(x, y, &new_element,
11897                                      last_x, last_y, &last_element_new,
11898                                      getClosedBelt, change_level);
11899   }
11900   else if (IS_ACID_POOL_OR_ACID(new_element))
11901   {
11902     int last_element_new = EL_UNDEFINED;
11903     int direction = MV_NONE;
11904     int i;
11905
11906     // if old element is of same kind, keep all existing directions
11907     if (IS_ACID_POOL_OR_ACID(old_element))
11908       direction |= getOpenDirectionFromPool(old_element);
11909
11910     for (i = 0; i < NUM_DIRECTIONS; i++)
11911     {
11912       int xx = x + xy[i].x;
11913       int yy = y + xy[i].y;
11914
11915       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11916           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
11917       {
11918         int dir = MV_DIR_FROM_BIT(i);
11919         int dir_opposite = MV_DIR_OPPOSITE(dir);
11920         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11921         int last_direction_old = getOpenDirectionFromPool(last_element_old);
11922         int last_direction_new = last_direction_old | dir_opposite;
11923
11924         last_element_new = getPoolFromOpenDirection(last_direction_new);
11925
11926         direction |= dir;
11927       }
11928     }
11929
11930     // special corrections needed for intuitively correct acid pool drawing
11931     if (last_element_new == EL_EMPTY)
11932       last_element_new = new_element;
11933     else if (last_element_new != EL_UNDEFINED)
11934       new_element = last_element_new;
11935
11936     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
11937
11938     if (last_element_new != EL_UNDEFINED)
11939       MergeAndCloseNeighbourElements(x, y, &new_element,
11940                                      last_x, last_y, &last_element_new,
11941                                      getClosedPool, change_level);
11942   }
11943   else if (IS_EMC_PILLAR(new_element))
11944   {
11945     int last_element_new = EL_UNDEFINED;
11946     int direction = MV_NONE;
11947     int i;
11948
11949     // if old element is of same kind, keep all existing directions
11950     if (IS_EMC_PILLAR(old_element))
11951       direction |= getOpenDirectionFromPillar(old_element);
11952
11953     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11954     {
11955       int xx = x + xy[i].x;
11956       int yy = y + xy[i].y;
11957
11958       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11959           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
11960       {
11961         int dir = MV_DIR_FROM_BIT(i);
11962         int dir_opposite = MV_DIR_OPPOSITE(dir);
11963         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11964         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
11965         int last_direction_new = last_direction_old | dir_opposite;
11966
11967         last_element_new = getPillarFromOpenDirection(last_direction_new);
11968
11969         direction |= dir;
11970       }
11971     }
11972
11973     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
11974
11975     if (last_element_new != EL_UNDEFINED)
11976       MergeAndCloseNeighbourElements(x, y, &new_element,
11977                                      last_x, last_y, &last_element_new,
11978                                      getClosedPillar, change_level);
11979   }
11980   else if (IS_DC_STEELWALL_2(new_element))
11981   {
11982     int last_element_new = EL_UNDEFINED;
11983     int direction = MV_NONE;
11984     int i;
11985
11986     // if old element is of same kind, keep all existing directions
11987     if (IS_DC_STEELWALL_2(old_element))
11988       direction |= getOpenDirectionFromSteel2(old_element);
11989
11990     for (i = 0; i < NUM_DIRECTIONS; i++)
11991     {
11992       int xx = x + xy[i].x;
11993       int yy = y + xy[i].y;
11994
11995       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11996           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11997       {
11998         int dir = MV_DIR_FROM_BIT(i);
11999         int dir_opposite = MV_DIR_OPPOSITE(dir);
12000         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12001         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
12002         int last_direction_new = last_direction_old | dir_opposite;
12003
12004         last_element_new = getSteel2FromOpenDirection(last_direction_new);
12005
12006         direction |= dir;
12007       }
12008     }
12009
12010     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
12011
12012     if (last_element_new != EL_UNDEFINED)
12013       MergeAndCloseNeighbourElements(x, y, &new_element,
12014                                      last_x, last_y, &last_element_new,
12015                                      getClosedSteel2, change_level);
12016   }
12017   else if (IS_SP_CHIP(new_element))
12018   {
12019     int last_element_new = EL_UNDEFINED;
12020     int direction = MV_NONE;
12021     int i;
12022
12023     // (do not keep existing directions, regardless of kind of old element)
12024
12025     for (i = 0; i < NUM_DIRECTIONS; i++)
12026     {
12027       int xx = x + xy[i].x;
12028       int yy = y + xy[i].y;
12029
12030       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12031           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
12032       {
12033         int dir = MV_DIR_FROM_BIT(i);
12034         int dir_opposite = MV_DIR_OPPOSITE(dir);
12035         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12036         int last_direction_old = getOpenDirectionFromChip(last_element_old);
12037         int last_direction_new = last_direction_old | dir_opposite;
12038
12039         if (last_direction_old == MV_NONE)
12040         {
12041           last_element_new = getChipFromOpenDirection(last_direction_new);
12042           direction |= dir;
12043         }
12044         else if (last_direction_old & (dir | dir_opposite))
12045         {
12046           direction |= MV_DIR_OPPOSITE(last_direction_old);
12047         }
12048         else
12049         {
12050           direction |= MV_DIR_OPPOSITE(dir);
12051         }
12052       }
12053     }
12054
12055     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
12056
12057     if (last_element_new != EL_UNDEFINED)
12058       MergeAndCloseNeighbourElements(x, y, &new_element,
12059                                      last_x, last_y, &last_element_new,
12060                                      getClosedChip, change_level);
12061   }
12062   else if (IS_SP_HARDWARE_BASE(new_element))
12063   {
12064     int nr = GetSimpleRandom(6);
12065
12066     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
12067                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
12068                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
12069                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
12070                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
12071   }
12072   else if (new_element == EL_SP_HARDWARE_GREEN ||
12073            new_element == EL_SP_HARDWARE_BLUE ||
12074            new_element == EL_SP_HARDWARE_RED)
12075   {
12076     int nr = GetSimpleRandom(3);
12077
12078     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
12079                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
12080   }
12081   else if (IS_GROUP_ELEMENT(new_element))
12082   {
12083     boolean connected_drawing = FALSE;
12084     int i;
12085
12086     for (i = 0; i < NUM_DIRECTIONS; i++)
12087     {
12088       int xx = x + xy[i].x;
12089       int yy = y + xy[i].y;
12090
12091       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12092           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
12093         connected_drawing = TRUE;
12094     }
12095
12096     if (!connected_drawing)
12097       ResolveGroupElement(new_element);
12098
12099     new_element = GetElementFromGroupElement(new_element);
12100   }
12101   else if (IS_BELT_SWITCH(old_element))
12102   {
12103     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
12104     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
12105
12106     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
12107                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
12108
12109     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
12110   }
12111   else
12112   {
12113     static int swappable_elements[][2] =
12114     {
12115       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
12116       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
12117       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
12118       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
12119       { EL_EMERALD,                     EL_WALL_EMERALD                 },
12120       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
12121       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
12122       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
12123       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
12124       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
12125       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
12126       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
12127       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
12128       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
12129       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
12130       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
12131       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
12132       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
12133       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
12134       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
12135       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
12136       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
12137       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
12138       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
12139       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
12140       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
12141       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
12142       { EL_PEARL,                       EL_WALL_PEARL                   },
12143       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
12144       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
12145       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
12146       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
12147       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
12148       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
12149       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
12150       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
12151       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
12152       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
12153       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
12154       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
12155       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
12156       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
12157       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
12158       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
12159
12160       { -1,                             -1                              },
12161     };
12162     static int rotatable_elements_4[][4] =
12163     {
12164       {
12165         EL_BUG_UP,
12166         EL_BUG_RIGHT,
12167         EL_BUG_DOWN,
12168         EL_BUG_LEFT
12169       },
12170       {
12171         EL_SPACESHIP_UP,
12172         EL_SPACESHIP_RIGHT,
12173         EL_SPACESHIP_DOWN,
12174         EL_SPACESHIP_LEFT
12175       },
12176       {
12177         EL_BD_BUTTERFLY_UP,
12178         EL_BD_BUTTERFLY_RIGHT,
12179         EL_BD_BUTTERFLY_DOWN,
12180         EL_BD_BUTTERFLY_LEFT
12181       },
12182       {
12183         EL_BD_FIREFLY_UP,
12184         EL_BD_FIREFLY_RIGHT,
12185         EL_BD_FIREFLY_DOWN,
12186         EL_BD_FIREFLY_LEFT
12187       },
12188       {
12189         EL_PACMAN_UP,
12190         EL_PACMAN_RIGHT,
12191         EL_PACMAN_DOWN,
12192         EL_PACMAN_LEFT
12193       },
12194       {
12195         EL_YAMYAM_UP,
12196         EL_YAMYAM_RIGHT,
12197         EL_YAMYAM_DOWN,
12198         EL_YAMYAM_LEFT
12199       },
12200       {
12201         EL_ARROW_UP,
12202         EL_ARROW_RIGHT,
12203         EL_ARROW_DOWN,
12204         EL_ARROW_LEFT
12205       },
12206       {
12207         EL_SP_PORT_UP,
12208         EL_SP_PORT_RIGHT,
12209         EL_SP_PORT_DOWN,
12210         EL_SP_PORT_LEFT
12211       },
12212       {
12213         EL_SP_GRAVITY_PORT_UP,
12214         EL_SP_GRAVITY_PORT_RIGHT,
12215         EL_SP_GRAVITY_PORT_DOWN,
12216         EL_SP_GRAVITY_PORT_LEFT
12217       },
12218       {
12219         EL_SP_GRAVITY_ON_PORT_UP,
12220         EL_SP_GRAVITY_ON_PORT_RIGHT,
12221         EL_SP_GRAVITY_ON_PORT_DOWN,
12222         EL_SP_GRAVITY_ON_PORT_LEFT
12223       },
12224       {
12225         EL_SP_GRAVITY_OFF_PORT_UP,
12226         EL_SP_GRAVITY_OFF_PORT_RIGHT,
12227         EL_SP_GRAVITY_OFF_PORT_DOWN,
12228         EL_SP_GRAVITY_OFF_PORT_LEFT
12229       },
12230       {
12231         EL_MOLE_UP,
12232         EL_MOLE_RIGHT,
12233         EL_MOLE_DOWN,
12234         EL_MOLE_LEFT
12235       },
12236       {
12237         EL_BALLOON_SWITCH_UP,
12238         EL_BALLOON_SWITCH_RIGHT,
12239         EL_BALLOON_SWITCH_DOWN,
12240         EL_BALLOON_SWITCH_LEFT
12241       },
12242       {
12243         EL_MM_MCDUFFIN_UP,
12244         EL_MM_MCDUFFIN_RIGHT,
12245         EL_MM_MCDUFFIN_DOWN,
12246         EL_MM_MCDUFFIN_LEFT
12247       },
12248       {
12249         EL_MM_MIRROR_FIXED_1,
12250         EL_MM_MIRROR_FIXED_4,
12251         EL_MM_MIRROR_FIXED_3,
12252         EL_MM_MIRROR_FIXED_2
12253       },
12254       {
12255         EL_MM_STEEL_GRID_FIXED_1,
12256         EL_MM_STEEL_GRID_FIXED_4,
12257         EL_MM_STEEL_GRID_FIXED_2,
12258         EL_MM_STEEL_GRID_FIXED_3
12259       },
12260       {
12261         EL_MM_WOODEN_GRID_FIXED_1,
12262         EL_MM_WOODEN_GRID_FIXED_4,
12263         EL_MM_WOODEN_GRID_FIXED_2,
12264         EL_MM_WOODEN_GRID_FIXED_3
12265       },
12266       {
12267         EL_MM_POLARIZER_CROSS_1,
12268         EL_MM_POLARIZER_CROSS_4,
12269         EL_MM_POLARIZER_CROSS_3,
12270         EL_MM_POLARIZER_CROSS_2
12271       },
12272       {
12273         EL_MM_PACMAN_UP,
12274         EL_MM_PACMAN_RIGHT,
12275         EL_MM_PACMAN_DOWN,
12276         EL_MM_PACMAN_LEFT
12277       },
12278       {
12279         EL_DF_LASER_UP,
12280         EL_DF_LASER_RIGHT,
12281         EL_DF_LASER_DOWN,
12282         EL_DF_LASER_LEFT
12283       },
12284       {
12285         EL_DF_RECEIVER_UP,
12286         EL_DF_RECEIVER_RIGHT,
12287         EL_DF_RECEIVER_DOWN,
12288         EL_DF_RECEIVER_LEFT
12289       },
12290       {
12291         EL_DF_SLOPE_1,
12292         EL_DF_SLOPE_4,
12293         EL_DF_SLOPE_3,
12294         EL_DF_SLOPE_2
12295       },
12296
12297       {
12298         -1,
12299       },
12300     };
12301     static int rotatable_elements_8[][8] =
12302     {
12303       {
12304         EL_DF_STEEL_GRID_FIXED_1,
12305         EL_DF_STEEL_GRID_FIXED_8,
12306         EL_DF_STEEL_GRID_FIXED_7,
12307         EL_DF_STEEL_GRID_FIXED_6,
12308         EL_DF_STEEL_GRID_FIXED_5,
12309         EL_DF_STEEL_GRID_FIXED_4,
12310         EL_DF_STEEL_GRID_FIXED_3,
12311         EL_DF_STEEL_GRID_FIXED_2
12312       },
12313       {
12314         EL_DF_WOODEN_GRID_FIXED_1,
12315         EL_DF_WOODEN_GRID_FIXED_8,
12316         EL_DF_WOODEN_GRID_FIXED_7,
12317         EL_DF_WOODEN_GRID_FIXED_6,
12318         EL_DF_WOODEN_GRID_FIXED_5,
12319         EL_DF_WOODEN_GRID_FIXED_4,
12320         EL_DF_WOODEN_GRID_FIXED_3,
12321         EL_DF_WOODEN_GRID_FIXED_2
12322       },
12323       {
12324         EL_DF_STEEL_GRID_ROTATING_1,
12325         EL_DF_STEEL_GRID_ROTATING_8,
12326         EL_DF_STEEL_GRID_ROTATING_7,
12327         EL_DF_STEEL_GRID_ROTATING_6,
12328         EL_DF_STEEL_GRID_ROTATING_5,
12329         EL_DF_STEEL_GRID_ROTATING_4,
12330         EL_DF_STEEL_GRID_ROTATING_3,
12331         EL_DF_STEEL_GRID_ROTATING_2
12332       },
12333       {
12334         EL_DF_WOODEN_GRID_ROTATING_1,
12335         EL_DF_WOODEN_GRID_ROTATING_8,
12336         EL_DF_WOODEN_GRID_ROTATING_7,
12337         EL_DF_WOODEN_GRID_ROTATING_6,
12338         EL_DF_WOODEN_GRID_ROTATING_5,
12339         EL_DF_WOODEN_GRID_ROTATING_4,
12340         EL_DF_WOODEN_GRID_ROTATING_3,
12341         EL_DF_WOODEN_GRID_ROTATING_2
12342       },
12343
12344       {
12345         -1,
12346       },
12347     };
12348     static int rotatable_elements_16[][16] =
12349     {
12350       {
12351         EL_MM_MIRROR_1,
12352         EL_MM_MIRROR_16,
12353         EL_MM_MIRROR_15,
12354         EL_MM_MIRROR_14,
12355         EL_MM_MIRROR_13,
12356         EL_MM_MIRROR_12,
12357         EL_MM_MIRROR_11,
12358         EL_MM_MIRROR_10,
12359         EL_MM_MIRROR_9,
12360         EL_MM_MIRROR_8,
12361         EL_MM_MIRROR_7,
12362         EL_MM_MIRROR_6,
12363         EL_MM_MIRROR_5,
12364         EL_MM_MIRROR_4,
12365         EL_MM_MIRROR_3,
12366         EL_MM_MIRROR_2
12367       },
12368       {
12369         EL_MM_TELEPORTER_5,
12370         EL_MM_TELEPORTER_4,
12371         EL_MM_TELEPORTER_3,
12372         EL_MM_TELEPORTER_2,
12373         EL_MM_TELEPORTER_1,
12374         EL_MM_TELEPORTER_16,
12375         EL_MM_TELEPORTER_15,
12376         EL_MM_TELEPORTER_14,
12377         EL_MM_TELEPORTER_13,
12378         EL_MM_TELEPORTER_12,
12379         EL_MM_TELEPORTER_11,
12380         EL_MM_TELEPORTER_10,
12381         EL_MM_TELEPORTER_9,
12382         EL_MM_TELEPORTER_8,
12383         EL_MM_TELEPORTER_7,
12384         EL_MM_TELEPORTER_6
12385       },
12386       {
12387         EL_MM_TELEPORTER_RED_5,
12388         EL_MM_TELEPORTER_RED_4,
12389         EL_MM_TELEPORTER_RED_3,
12390         EL_MM_TELEPORTER_RED_2,
12391         EL_MM_TELEPORTER_RED_1,
12392         EL_MM_TELEPORTER_RED_16,
12393         EL_MM_TELEPORTER_RED_15,
12394         EL_MM_TELEPORTER_RED_14,
12395         EL_MM_TELEPORTER_RED_13,
12396         EL_MM_TELEPORTER_RED_12,
12397         EL_MM_TELEPORTER_RED_11,
12398         EL_MM_TELEPORTER_RED_10,
12399         EL_MM_TELEPORTER_RED_9,
12400         EL_MM_TELEPORTER_RED_8,
12401         EL_MM_TELEPORTER_RED_7,
12402         EL_MM_TELEPORTER_RED_6
12403       },
12404       {
12405         EL_MM_TELEPORTER_YELLOW_5,
12406         EL_MM_TELEPORTER_YELLOW_4,
12407         EL_MM_TELEPORTER_YELLOW_3,
12408         EL_MM_TELEPORTER_YELLOW_2,
12409         EL_MM_TELEPORTER_YELLOW_1,
12410         EL_MM_TELEPORTER_YELLOW_16,
12411         EL_MM_TELEPORTER_YELLOW_15,
12412         EL_MM_TELEPORTER_YELLOW_14,
12413         EL_MM_TELEPORTER_YELLOW_13,
12414         EL_MM_TELEPORTER_YELLOW_12,
12415         EL_MM_TELEPORTER_YELLOW_11,
12416         EL_MM_TELEPORTER_YELLOW_10,
12417         EL_MM_TELEPORTER_YELLOW_9,
12418         EL_MM_TELEPORTER_YELLOW_8,
12419         EL_MM_TELEPORTER_YELLOW_7,
12420         EL_MM_TELEPORTER_YELLOW_6
12421       },
12422       {
12423         EL_MM_TELEPORTER_GREEN_5,
12424         EL_MM_TELEPORTER_GREEN_4,
12425         EL_MM_TELEPORTER_GREEN_3,
12426         EL_MM_TELEPORTER_GREEN_2,
12427         EL_MM_TELEPORTER_GREEN_1,
12428         EL_MM_TELEPORTER_GREEN_16,
12429         EL_MM_TELEPORTER_GREEN_15,
12430         EL_MM_TELEPORTER_GREEN_14,
12431         EL_MM_TELEPORTER_GREEN_13,
12432         EL_MM_TELEPORTER_GREEN_12,
12433         EL_MM_TELEPORTER_GREEN_11,
12434         EL_MM_TELEPORTER_GREEN_10,
12435         EL_MM_TELEPORTER_GREEN_9,
12436         EL_MM_TELEPORTER_GREEN_8,
12437         EL_MM_TELEPORTER_GREEN_7,
12438         EL_MM_TELEPORTER_GREEN_6
12439       },
12440       {
12441         EL_MM_TELEPORTER_BLUE_5,
12442         EL_MM_TELEPORTER_BLUE_4,
12443         EL_MM_TELEPORTER_BLUE_3,
12444         EL_MM_TELEPORTER_BLUE_2,
12445         EL_MM_TELEPORTER_BLUE_1,
12446         EL_MM_TELEPORTER_BLUE_16,
12447         EL_MM_TELEPORTER_BLUE_15,
12448         EL_MM_TELEPORTER_BLUE_14,
12449         EL_MM_TELEPORTER_BLUE_13,
12450         EL_MM_TELEPORTER_BLUE_12,
12451         EL_MM_TELEPORTER_BLUE_11,
12452         EL_MM_TELEPORTER_BLUE_10,
12453         EL_MM_TELEPORTER_BLUE_9,
12454         EL_MM_TELEPORTER_BLUE_8,
12455         EL_MM_TELEPORTER_BLUE_7,
12456         EL_MM_TELEPORTER_BLUE_6
12457       },
12458       {
12459         EL_MM_POLARIZER_1,
12460         EL_MM_POLARIZER_16,
12461         EL_MM_POLARIZER_15,
12462         EL_MM_POLARIZER_14,
12463         EL_MM_POLARIZER_13,
12464         EL_MM_POLARIZER_12,
12465         EL_MM_POLARIZER_11,
12466         EL_MM_POLARIZER_10,
12467         EL_MM_POLARIZER_9,
12468         EL_MM_POLARIZER_8,
12469         EL_MM_POLARIZER_7,
12470         EL_MM_POLARIZER_6,
12471         EL_MM_POLARIZER_5,
12472         EL_MM_POLARIZER_4,
12473         EL_MM_POLARIZER_3,
12474         EL_MM_POLARIZER_2
12475       },
12476       {
12477         EL_DF_MIRROR_1,
12478         EL_DF_MIRROR_16,
12479         EL_DF_MIRROR_15,
12480         EL_DF_MIRROR_14,
12481         EL_DF_MIRROR_13,
12482         EL_DF_MIRROR_12,
12483         EL_DF_MIRROR_11,
12484         EL_DF_MIRROR_10,
12485         EL_DF_MIRROR_9,
12486         EL_DF_MIRROR_8,
12487         EL_DF_MIRROR_7,
12488         EL_DF_MIRROR_6,
12489         EL_DF_MIRROR_5,
12490         EL_DF_MIRROR_4,
12491         EL_DF_MIRROR_3,
12492         EL_DF_MIRROR_2
12493       },
12494       {
12495         EL_DF_MIRROR_ROTATING_1,
12496         EL_DF_MIRROR_ROTATING_16,
12497         EL_DF_MIRROR_ROTATING_15,
12498         EL_DF_MIRROR_ROTATING_14,
12499         EL_DF_MIRROR_ROTATING_13,
12500         EL_DF_MIRROR_ROTATING_12,
12501         EL_DF_MIRROR_ROTATING_11,
12502         EL_DF_MIRROR_ROTATING_10,
12503         EL_DF_MIRROR_ROTATING_9,
12504         EL_DF_MIRROR_ROTATING_8,
12505         EL_DF_MIRROR_ROTATING_7,
12506         EL_DF_MIRROR_ROTATING_6,
12507         EL_DF_MIRROR_ROTATING_5,
12508         EL_DF_MIRROR_ROTATING_4,
12509         EL_DF_MIRROR_ROTATING_3,
12510         EL_DF_MIRROR_ROTATING_2
12511       },
12512       {
12513         EL_DF_MIRROR_FIXED_1,
12514         EL_DF_MIRROR_FIXED_16,
12515         EL_DF_MIRROR_FIXED_15,
12516         EL_DF_MIRROR_FIXED_14,
12517         EL_DF_MIRROR_FIXED_13,
12518         EL_DF_MIRROR_FIXED_12,
12519         EL_DF_MIRROR_FIXED_11,
12520         EL_DF_MIRROR_FIXED_10,
12521         EL_DF_MIRROR_FIXED_9,
12522         EL_DF_MIRROR_FIXED_8,
12523         EL_DF_MIRROR_FIXED_7,
12524         EL_DF_MIRROR_FIXED_6,
12525         EL_DF_MIRROR_FIXED_5,
12526         EL_DF_MIRROR_FIXED_4,
12527         EL_DF_MIRROR_FIXED_3,
12528         EL_DF_MIRROR_FIXED_2
12529       },
12530
12531       {
12532         -1,
12533       },
12534     };
12535     int i, j;
12536
12537     for (i = 0; swappable_elements[i][0] != -1; i++)
12538     {
12539       int element1 = swappable_elements[i][0];
12540       int element2 = swappable_elements[i][1];
12541
12542       if (old_element == element1 || old_element == element2)
12543         new_element = (old_element == element1 ? element2 : element1);
12544     }
12545
12546     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
12547     {
12548       for (j = 0; j < 4; j++)
12549       {
12550         int element = rotatable_elements_4[i][j];
12551
12552         if (old_element == element)
12553           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
12554                          button == 2 ? rotatable_elements_4[i][0]           :
12555                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
12556                          old_element);
12557       }
12558     }
12559
12560     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
12561     {
12562       for (j = 0; j < 8; j++)
12563       {
12564         int element = rotatable_elements_8[i][j];
12565
12566         if (old_element == element)
12567           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
12568                          button == 2 ? rotatable_elements_8[i][0]           :
12569                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
12570                          old_element);
12571       }
12572     }
12573
12574     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
12575     {
12576       for (j = 0; j < 16; j++)
12577       {
12578         int element = rotatable_elements_16[i][j];
12579
12580         if (old_element == element)
12581           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
12582                          button == 2 ? rotatable_elements_16[i][0]             :
12583                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
12584                          old_element);
12585       }
12586     }
12587
12588     if (old_element != new_element)
12589     {
12590       int max_infotext_len = getMaxInfoTextLength();
12591       char infotext[MAX_OUTPUT_LINESIZE + 1];
12592
12593       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
12594       infotext[max_infotext_len] = '\0';
12595
12596       ClearEditorGadgetInfoText();
12597
12598       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
12599                 infotext);
12600     }
12601   }
12602
12603   if (IS_MM_WALL_EDITOR(new_element))
12604     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
12605   else
12606     SetElementSimple(x, y, new_element, change_level);
12607
12608   last_x = x;
12609   last_y = y;
12610 }
12611
12612 static void ResetIntelliDraw(void)
12613 {
12614   int x, y;
12615
12616   for (x = 0; x < lev_fieldx; x++)
12617     for (y = 0; y < lev_fieldy; y++)
12618       IntelliDrawBuffer[x][y] = Tile[x][y];
12619
12620   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
12621 }
12622
12623 static boolean draw_mode_hires = FALSE;
12624
12625 static boolean isHiresTileElement(int element)
12626 {
12627   return (IS_MM_WALL(element)        || element == EL_EMPTY);
12628 }
12629
12630 static boolean isHiresDrawElement(int element)
12631 {
12632   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
12633 }
12634
12635 static int numHiresTiles(int element)
12636 {
12637   if (IS_MM_WALL(element))
12638     return get_number_of_bits(MM_WALL_BITS(element));
12639
12640   return 1;
12641 }
12642
12643 static void SetDrawModeHiRes(int element)
12644 {
12645   draw_mode_hires =
12646     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
12647      isHiresDrawElement(element));
12648 }
12649
12650 static boolean getDrawModeHiRes(void)
12651 {
12652   return draw_mode_hires;
12653 }
12654
12655 static int getLoResScreenPos(int pos)
12656 {
12657   return (getDrawModeHiRes() ? pos / 2 : pos);
12658 }
12659
12660 static int getLoResScreenMod(int pos)
12661 {
12662   return (getDrawModeHiRes() ? pos % 2 : 0);
12663 }
12664
12665 static void SetElementExt(int x, int y, int dx, int dy, int element,
12666                           boolean change_level, int button)
12667 {
12668   if (element < 0)
12669     SetElementSimple(x, y, Tile[x][y], change_level);
12670   else if (GetKeyModState() & KMOD_Shift)
12671     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
12672   else
12673     SetElementSimpleExt(x, y, dx, dy, element, change_level);
12674 }
12675
12676 static void SetElement(int x, int y, int element)
12677 {
12678   SetElementExt(x, y, 0, 0, element, TRUE, -1);
12679 }
12680
12681 static void SetElementButton(int x, int y, int dx, int dy, int element,
12682                              int button)
12683 {
12684   SetElementExt(x, y, dx, dy, element, TRUE, button);
12685 }
12686
12687 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
12688 {
12689   int lx = getLoResScreenPos(sx2) + level_xpos;
12690   int ly = getLoResScreenPos(sy2) + level_ypos;
12691   int dx = getLoResScreenMod(sx2);
12692   int dy = getLoResScreenMod(sy2);
12693
12694   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
12695 }
12696
12697 static void SetLevelElementHiRes(int lx2, int ly2, int element)
12698 {
12699   int lx = lx2 / 2;
12700   int ly = ly2 / 2;
12701   int dx = lx2 % 2;
12702   int dy = ly2 % 2;
12703
12704   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
12705 }
12706
12707 static int getLevelElementHiRes(int lx2, int ly2)
12708 {
12709   int lx = lx2 / 2;
12710   int ly = ly2 / 2;
12711   int dx = lx2 % 2;
12712   int dy = ly2 % 2;
12713   int element = Tile[lx][ly];
12714   unsigned int bitmask = (dx + 1) << (dy * 2);
12715
12716   if (IS_MM_WALL(element))
12717   {
12718     if (element & bitmask)
12719       return map_mm_wall_element(element);
12720     else
12721       return EL_EMPTY;
12722   }
12723
12724   return element;
12725 }
12726
12727 static void DrawLineElement(int x, int y, int element, boolean change_level)
12728 {
12729   SetElementHiRes(x, y, element, change_level);
12730 }
12731
12732 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
12733                      int element, boolean change_level)
12734 {
12735   int xsize = ABS(to_x - from_x);
12736   int ysize = ABS(to_y - from_y);
12737   int dx = (to_x < from_x ? -1 : +1);
12738   int dy = (to_y < from_y ? -1 : +1);
12739   int i;
12740
12741   if (from_y == to_y)                   // horizontal line
12742   {
12743     for (i = 0; i <= xsize; i++)
12744       DrawLineElement(from_x + i * dx, from_y, element, change_level);
12745   }
12746   else if (from_x == to_x)              // vertical line
12747   {
12748     for (i = 0; i <= ysize; i++)
12749       DrawLineElement(from_x, from_y + i * dy, element, change_level);
12750   }
12751   else                                  // diagonal line
12752   {
12753     if (ysize < xsize)                  // a < 1
12754     {
12755       float a = (float)ysize / (float)xsize;
12756
12757       for (i = 0; i <= xsize; i++)
12758       {
12759         int x = dx * i;
12760         int y = dy * (int)(a * i + 0.5);
12761
12762         DrawLineElement(from_x + x, from_y + y, element, change_level);
12763       }
12764     }
12765     else                                // a >= 1
12766     {
12767       float a = (float)xsize / (float)ysize;
12768
12769       for (i = 0; i <= ysize; i++)
12770       {
12771         int x = dx * (int)(a * i + 0.5);
12772         int y = dy * i;
12773
12774         DrawLineElement(from_x + x, from_y + y, element, change_level);
12775       }
12776     }
12777   }
12778 }
12779
12780 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
12781                     int element, boolean change_level)
12782 {
12783   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
12784   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
12785   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
12786   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
12787 }
12788
12789 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
12790                           int element, boolean change_level)
12791 {
12792   int y;
12793
12794   if (from_y > to_y)
12795     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
12796
12797   for (y = from_y; y <= to_y; y++)
12798     DrawLine(from_x, y, to_x, y, element, change_level);
12799 }
12800
12801 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
12802                        int element, boolean change_level)
12803 {
12804   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
12805   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
12806   int len_x = ABS(to_x - from_x);
12807   int len_y = ABS(to_y - from_y);
12808   int radius, x, y;
12809
12810   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
12811
12812   // not optimal (some points get drawn twice) but simple,
12813   // and fast enough for the few points we are drawing
12814
12815   for (x = 0; x <= radius; x++)
12816   {
12817     int sx, sy, sx2, sy2, lx, ly;
12818
12819     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
12820
12821     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12822     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12823     sx = getLoResScreenPos(sx2);
12824     sy = getLoResScreenPos(sy2);
12825     lx = sx + level_xpos;
12826     ly = sy + level_ypos;
12827
12828     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12829       DrawLineElement(sx2, sy2, element, change_level);
12830   }
12831
12832   for (y = 0; y <= radius; y++)
12833   {
12834     int sx, sy, sx2, sy2, lx, ly;
12835
12836     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
12837
12838     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12839     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12840     sx = getLoResScreenPos(sx2);
12841     sy = getLoResScreenPos(sy2);
12842     lx = sx + level_xpos;
12843     ly = sy + level_ypos;
12844
12845     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12846       DrawLineElement(sx2, sy2, element, change_level);
12847   }
12848 }
12849
12850 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
12851                     int element, boolean change_level)
12852 {
12853   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12854   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12855
12856   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12857 }
12858
12859 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
12860
12861 #if DRAW_CIRCLES_BUTTON_AVAILABLE
12862 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
12863                        int element, boolean change_level)
12864 {
12865   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12866   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12867   int mirror_to_x2 = from_x - (to_x2 - from_x);
12868   int mirror_to_y2 = from_y - (to_y2 - from_y);
12869
12870   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12871   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
12872   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
12873   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
12874 }
12875 #endif
12876
12877 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
12878 {
12879   int from_sx, from_sy;
12880   int to_sx, to_sy;
12881
12882   if (from_x > to_x)
12883     swap_numbers(&from_x, &to_x);
12884
12885   if (from_y > to_y)
12886     swap_numbers(&from_y, &to_y);
12887
12888   from_sx = SX + from_x * ed_tilesize;
12889   from_sy = SY + from_y * ed_tilesize;
12890   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
12891   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
12892
12893   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
12894   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
12895   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
12896   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
12897
12898   if (from_x == to_x && from_y == to_y)
12899     MarkTileDirty(from_x/2, from_y/2);
12900   else
12901     redraw_mask |= REDRAW_FIELD;
12902 }
12903
12904 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
12905                         int element, boolean change_level)
12906 {
12907   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
12908 }
12909
12910 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
12911                        int element, boolean change_level)
12912 {
12913   if (element == -1 || change_level)
12914     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
12915   else
12916     DrawAreaBorder(from_x, from_y, to_x, to_y);
12917 }
12918
12919 // values for CopyBrushExt()
12920 #define CB_AREA_TO_BRUSH                0
12921 #define CB_BRUSH_TO_CURSOR              1
12922 #define CB_BRUSH_TO_LEVEL               2
12923 #define CB_DELETE_OLD_CURSOR            3
12924 #define CB_DUMP_BRUSH                   4
12925 #define CB_DUMP_BRUSH_SMALL             5
12926 #define CB_CLIPBOARD_TO_BRUSH           6
12927 #define CB_BRUSH_TO_CLIPBOARD           7
12928 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
12929 #define CB_UPDATE_BRUSH_POSITION        9
12930 #define CB_FLIP_BRUSH_X                 10
12931 #define CB_FLIP_BRUSH_Y                 11
12932 #define CB_FLIP_BRUSH_XY                12
12933
12934 #define MAX_CB_PART_SIZE        10
12935 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
12936 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
12937 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
12938                                  MAX_CB_NUM_LINES *     \
12939                                  MAX_CB_PART_SIZE)
12940
12941 static int getFlippedTileExt(int map[], int element)
12942 {
12943   int i;
12944
12945   for (i = 0; map[i] != -1; i++)
12946     if (map[i] == element)
12947       return map[i ^ 1];        // get flipped element by flipping LSB of index
12948
12949   return element;
12950 }
12951
12952 static int getFlippedTileX(int element)
12953 {
12954   int map[] =
12955   {
12956     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
12957     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
12958     EL_BUG_LEFT,                        EL_BUG_RIGHT,
12959     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
12960     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
12961     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
12962     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
12963     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
12964     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
12965     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
12966     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
12967     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
12968     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
12969     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
12970     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
12971     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
12972     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
12973     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
12974     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
12975     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
12976     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
12977     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
12978     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
12979     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
12980     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
12981     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
12982     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
12983     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
12984     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
12985     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
12986
12987     -1
12988   };
12989
12990   return getFlippedTileExt(map, element);
12991 }
12992
12993 static int getFlippedTileY(int element)
12994 {
12995   int map[] =
12996   {
12997     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
12998     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
12999     EL_BUG_UP,                          EL_BUG_DOWN,
13000     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
13001     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
13002     EL_ARROW_UP,                        EL_ARROW_DOWN,
13003     EL_MOLE_UP,                         EL_MOLE_DOWN,
13004     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
13005     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
13006     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
13007     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
13008     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
13009     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
13010     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
13011     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
13012     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
13013     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
13014     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
13015     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
13016     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
13017     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13018     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13019     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
13020     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
13021
13022     -1
13023   };
13024
13025   return getFlippedTileExt(map, element);
13026 }
13027
13028 static int getFlippedTileXY(int element)
13029 {
13030   int map[] =
13031   {
13032     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
13033     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
13034     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
13035     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
13036     EL_BUG_LEFT,                        EL_BUG_UP,
13037     EL_BUG_RIGHT,                       EL_BUG_DOWN,
13038     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
13039     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
13040     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
13041     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
13042     EL_ARROW_LEFT,                      EL_ARROW_UP,
13043     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
13044     EL_MOLE_LEFT,                       EL_MOLE_UP,
13045     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
13046     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
13047     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
13048     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
13049     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
13050     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
13051     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
13052     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
13053     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
13054     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
13055     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
13056     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
13057     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
13058     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
13059     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
13060     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
13061     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
13062     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
13063     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
13064     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
13065     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
13066     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
13067     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
13068     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13069     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
13070     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
13071     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
13072     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
13073     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
13074
13075     -1
13076   };
13077
13078   return getFlippedTileExt(map, element);
13079 }
13080
13081 static int getFlippedTile(int element, int mode)
13082 {
13083   if (IS_MM_ELEMENT(element))
13084   {
13085     // get MM game element
13086     element = map_element_RND_to_MM(element);
13087
13088     // get flipped game element
13089     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
13090                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
13091                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
13092                element);
13093
13094     // get RND game element again
13095     element = map_element_MM_to_RND(element);
13096   }
13097   else
13098   {
13099     // get flipped game element
13100     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
13101                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
13102                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
13103                element);
13104   }
13105
13106   return element;
13107 }
13108
13109 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
13110 {
13111   // flip tiles
13112   short tile1_flipped = getFlippedTile(*tile1, mode);
13113   short tile2_flipped = getFlippedTile(*tile2, mode);
13114
13115   // swap tiles
13116   *tile1 = tile2_flipped;
13117   *tile2 = tile1_flipped;
13118 }
13119
13120 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
13121 {
13122   DrawLineElement(sx, sy, element, change_level);
13123 }
13124
13125 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
13126                          int button, int mode)
13127 {
13128   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13129   static int brush_width, brush_height;
13130   static int last_cursor_x = -1, last_cursor_y = -1;
13131   static boolean delete_old_brush = FALSE;
13132   int new_element = BUTTON_ELEMENT(button);
13133   int x, y;
13134
13135   if (mode == CB_DUMP_BRUSH ||
13136       mode == CB_DUMP_BRUSH_SMALL ||
13137       mode == CB_BRUSH_TO_CLIPBOARD ||
13138       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13139   {
13140     if (edit_mode != ED_MODE_DRAWING)
13141       return;
13142
13143     char part[MAX_CB_PART_SIZE + 1] = "";
13144     char text[MAX_CB_TEXT_SIZE + 1] = "";
13145     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
13146     int height = (draw_with_brush ? brush_height : lev_fieldy);
13147     char *format = "%s%03d";
13148
13149     for (y = 0; y < height; y++)
13150       for (x = 0; x < width; x++)
13151         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
13152           format = "%s%04d";
13153
13154     for (y = 0; y < height; y++)
13155     {
13156       for (x = 0; x < width; x++)
13157       {
13158         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
13159         char *prefix = (mode == CB_DUMP_BRUSH ||
13160                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
13161
13162         if (element >= NUM_FILE_ELEMENTS)
13163           element = EL_UNKNOWN;
13164
13165         // copy brush to level sketch text buffer for the R'n'D forum:
13166         // - large tiles: `xxx or `xxxx (0x60 ASCII)
13167         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
13168         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
13169         strcat(text, part);
13170       }
13171
13172       strcat(text, "\n");
13173     }
13174
13175     if (mode == CB_BRUSH_TO_CLIPBOARD ||
13176         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13177       SDL_SetClipboardText(text);
13178     else
13179       Print("%s", text);        // print brush data to console and log file
13180
13181     return;
13182   }
13183
13184   if (mode == CB_CLIPBOARD_TO_BRUSH)
13185   {
13186     if (edit_mode != ED_MODE_DRAWING)
13187       return;
13188
13189     if (!SDL_HasClipboardText())
13190     {
13191       Request("Clipboard is empty!", REQ_CONFIRM);
13192
13193       return;
13194     }
13195
13196     boolean copy_to_brush = (draw_with_brush ||
13197                              drawing_function == GADGET_ID_GRAB_BRUSH);
13198
13199     // this will delete the old brush, if already drawing with a brush
13200     if (copy_to_brush)
13201       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
13202
13203     // initialization is required for "odd" (incomplete) clipboard content
13204     for (x = 0; x < MAX_LEV_FIELDX; x++)
13205       for (y = 0; y < MAX_LEV_FIELDY; y++)
13206         brush_buffer[x][y] = EL_EMPTY;
13207
13208     brush_width  = 0;
13209     brush_height = 0;
13210     x = 0;
13211     y = 0;
13212
13213     char *clipboard_text = SDL_GetClipboardText();
13214     char *ptr = clipboard_text;
13215     boolean allow_new_row = FALSE;
13216     boolean stop = FALSE;
13217
13218     while (*ptr && !stop)
13219     {
13220       boolean prefix_found = FALSE;
13221       boolean start_new_row = FALSE;
13222
13223       // level sketch element number prefixes (may be multi-byte characters)
13224       char *prefix_list[] = { "`", "¸" };
13225       int i;
13226
13227       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
13228       {
13229         char *prefix = prefix_list[i];
13230
13231         // check if string is large enough for prefix
13232         if (strlen(ptr) < strlen(prefix))
13233         {
13234           stop = TRUE;
13235
13236           break;
13237         }
13238
13239         // check if string starts with prefix
13240         if (strPrefix(ptr, prefix))
13241         {
13242           ptr += strlen(prefix);
13243
13244           prefix_found = TRUE;
13245
13246           break;
13247         }
13248       }
13249
13250       // check if prefix found and followed by (at least) three digits
13251       if (prefix_found &&
13252           strlen(ptr) >= 3 &&
13253           ptr[0] >= '0' && ptr[0] <= '9' &&
13254           ptr[1] >= '0' && ptr[1] <= '9' &&
13255           ptr[2] >= '0' && ptr[2] <= '9')
13256       {
13257         int element = ((ptr[0] - '0') * 100 +
13258                        (ptr[1] - '0') * 10 +
13259                        (ptr[2] - '0'));
13260
13261         ptr += 3;
13262
13263         // level sketch element number might consist of four digits
13264         if (ptr[0] >= '0' && ptr[0] <= '9')
13265         {
13266           element = element * 10 + (ptr[0] - '0');
13267           ptr++;
13268         }
13269
13270         // remap some (historic, now obsolete) elements
13271         element = getMappedElement(element);
13272
13273         if (element >= NUM_FILE_ELEMENTS)
13274           element = EL_UNKNOWN;
13275
13276         brush_buffer[x][y] = element;
13277
13278         brush_width  = MAX(x + 1, brush_width);
13279         brush_height = MAX(y + 1, brush_height);
13280
13281         x++;
13282
13283         if (x >= MAX_LEV_FIELDX)
13284           start_new_row = TRUE;
13285
13286         allow_new_row = TRUE;
13287       }
13288       else
13289       {
13290         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
13291           start_new_row = TRUE;
13292
13293         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
13294       }
13295
13296       if (start_new_row)
13297       {
13298         x = 0;
13299         y++;
13300
13301         if (y >= MAX_LEV_FIELDY)
13302           stop = TRUE;
13303
13304         allow_new_row = FALSE;
13305       }
13306     }
13307
13308     SDL_free(clipboard_text);
13309
13310     if (brush_width == 0 || brush_height == 0)
13311     {
13312       Request("No level sketch found in clipboard!", REQ_CONFIRM);
13313
13314       return;
13315     }
13316
13317     if (copy_to_brush)
13318     {
13319       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
13320       int mx, my;
13321
13322       SDL_GetMouseState(&mx, &my);
13323
13324       // if inside drawing area, activate and draw brush at last mouse position
13325       if (mx >= gi->x && mx < gi->x + gi->width &&
13326           my >= gi->y && my < gi->y + gi->height)
13327         CopyBrushToCursor(last_cursor_x, last_cursor_y);
13328
13329       draw_with_brush = TRUE;
13330     }
13331     else
13332     {
13333       char request[100];
13334
13335       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
13336               brush_width, brush_height);
13337
13338       if (!Request(request, REQ_ASK))
13339         return;
13340
13341       for (x = 0; x < MAX_LEV_FIELDX; x++)
13342         for (y = 0; y < MAX_LEV_FIELDY; y++)
13343           Tile[x][y] = brush_buffer[x][y];
13344
13345       lev_fieldx = level.fieldx = brush_width;
13346       lev_fieldy = level.fieldy = brush_height;
13347
13348       boolean use_bd_engine = TRUE;
13349       boolean use_em_engine = TRUE;
13350       boolean use_sp_engine = TRUE;
13351       boolean use_mm_engine = TRUE;
13352
13353       for (x = 0; x < MAX_LEV_FIELDX; x++)
13354       {
13355         for (y = 0; y < MAX_LEV_FIELDY; y++)
13356         {
13357           int element = Tile[x][y];
13358
13359           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13360             use_bd_engine = FALSE;
13361
13362           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13363             use_em_engine = FALSE;
13364
13365           if (!IS_SP_ELEMENT(element))
13366             use_sp_engine = FALSE;
13367
13368           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
13369             use_mm_engine = FALSE;
13370         }
13371       }
13372
13373       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
13374                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
13375                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
13376                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
13377                                 GAME_ENGINE_TYPE_RND);
13378
13379       // update element selection list
13380       ReinitializeElementList();
13381       ModifyEditorElementList();
13382
13383       SetBorderElement();
13384
13385       DrawEditModeWindow();
13386       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13387     }
13388
13389     return;
13390   }
13391
13392   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
13393     return;
13394
13395   if (mode == CB_AREA_TO_BRUSH)
13396   {
13397     int from_lx, from_ly;
13398
13399     if (from_x > to_x)
13400       swap_numbers(&from_x, &to_x);
13401
13402     if (from_y > to_y)
13403       swap_numbers(&from_y, &to_y);
13404
13405     brush_width = to_x - from_x + 1;
13406     brush_height = to_y - from_y + 1;
13407
13408     from_lx = from_x + level_xpos;
13409     from_ly = from_y + level_ypos;
13410
13411     for (y = 0; y < brush_height; y++)
13412     {
13413       for (x = 0; x < brush_width; x++)
13414       {
13415         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
13416
13417         if (button != 1)
13418           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
13419       }
13420     }
13421
13422     if (button != 1)
13423       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13424
13425     delete_old_brush = FALSE;
13426   }
13427   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
13428            mode == CB_BRUSH_TO_LEVEL)
13429   {
13430     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
13431     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
13432     int cursor_from_x = cursor_x - brush_width / 2;
13433     int cursor_from_y = cursor_y - brush_height / 2;
13434     int border_from_x = cursor_x, border_from_y = cursor_y;
13435     int border_to_x = cursor_x, border_to_y = cursor_y;
13436
13437     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
13438       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13439
13440     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
13441         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
13442     {
13443       delete_old_brush = FALSE;
13444
13445       return;
13446     }
13447
13448     for (y = 0; y < brush_height; y++)
13449     {
13450       for (x = 0; x < brush_width; x++)
13451       {
13452         int sx = cursor_from_x + x;
13453         int sy = cursor_from_y + y;
13454         int lx = sx + level_xpos;
13455         int ly = sy + level_ypos;
13456         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
13457         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
13458                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
13459                        brush_buffer[x][y] : new_element);
13460
13461         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13462         {
13463           if (sx < border_from_x)
13464             border_from_x = sx;
13465           else if (sx > border_to_x)
13466             border_to_x = sx;
13467           if (sy < border_from_y)
13468             border_from_y = sy;
13469           else if (sy > border_to_y)
13470             border_to_y = sy;
13471
13472           DrawBrushElement(sx, sy, element, change_level);
13473         }
13474       }
13475     }
13476
13477     if (mode != CB_DELETE_OLD_CURSOR)
13478       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
13479
13480     last_cursor_x = cursor_x;
13481     last_cursor_y = cursor_y;
13482
13483     delete_old_brush = TRUE;
13484   }
13485   else if (mode == CB_FLIP_BRUSH_X)
13486   {
13487     for (y = 0; y < brush_height; y++)
13488       for (x = 0; x < (brush_width + 1) / 2; x++)
13489         SwapFlippedTiles(&brush_buffer[x][y],
13490                          &brush_buffer[brush_width - x - 1][y], mode);
13491
13492     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13493   }
13494   else if (mode == CB_FLIP_BRUSH_Y)
13495   {
13496     for (y = 0; y < (brush_height + 1) / 2; y++)
13497       for (x = 0; x < brush_width; x++)
13498         SwapFlippedTiles(&brush_buffer[x][y],
13499                          &brush_buffer[x][brush_height - y - 1], mode);
13500
13501     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13502   }
13503   else if (mode == CB_FLIP_BRUSH_XY)
13504   {
13505     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13506
13507     for (y = 0; y < MAX(brush_width, brush_height); y++)
13508       for (x = 0; x <= y; x++)
13509         SwapFlippedTiles(&brush_buffer[x][y],
13510                          &brush_buffer[y][x], mode);
13511
13512     swap_numbers(&brush_width, &brush_height);
13513
13514     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13515   }
13516
13517   if (mode == CB_UPDATE_BRUSH_POSITION)
13518   {
13519     last_cursor_x = from_x;
13520     last_cursor_y = from_y;
13521   }
13522 }
13523
13524 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
13525                             int button)
13526 {
13527   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
13528 }
13529
13530 static void CopyBrushToLevel(int x, int y, int button)
13531 {
13532   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
13533 }
13534
13535 static void CopyBrushToCursor(int x, int y)
13536 {
13537   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13538 }
13539
13540 static void UpdateBrushPosition(int x, int y)
13541 {
13542   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
13543 }
13544
13545 static void DeleteBrushFromCursor(void)
13546 {
13547   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13548 }
13549
13550 static void FlipBrushX(void)
13551 {
13552   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
13553 }
13554
13555 static void FlipBrushY(void)
13556 {
13557   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
13558 }
13559
13560 static void RotateBrush(void)
13561 {
13562   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
13563   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
13564 }
13565
13566 void DumpBrush(void)
13567 {
13568   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
13569 }
13570
13571 void DumpBrush_Small(void)
13572 {
13573   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
13574 }
13575
13576 void CopyClipboardToBrush(void)
13577 {
13578   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
13579 }
13580
13581 void CopyBrushToClipboard(void)
13582 {
13583   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
13584 }
13585
13586 void CopyBrushToClipboard_Small(void)
13587 {
13588   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
13589 }
13590
13591 void UndoLevelEditorOperation(void)
13592 {
13593   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
13594 }
13595
13596 void RedoLevelEditorOperation(void)
13597 {
13598   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13599 }
13600
13601 static void FloodFill(int from_x, int from_y, int fill_element)
13602 {
13603   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
13604 }
13605
13606 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
13607 {
13608   int from_x = from_sx2 + 2 * level_xpos;
13609   int from_y = from_sy2 + 2 * level_ypos;
13610   int max_fillx = lev_fieldx * 2;
13611   int max_filly = lev_fieldy * 2;
13612   short Fill[max_fillx][max_filly];
13613   int x, y;
13614
13615   for (x = 0; x < max_fillx; x++)
13616     for (y = 0; y < max_filly; y++)
13617       Fill[x][y] = getLevelElementHiRes(x, y);
13618
13619   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
13620                     Fill, max_fillx, max_filly);
13621
13622   for (x = 0; x < max_fillx; x++)
13623     for (y = 0; y < max_filly; y++)
13624       if (Fill[x][y] == fill_element)
13625         SetLevelElementHiRes(x, y, Fill[x][y]);
13626 }
13627
13628 // values for DrawLevelText() modes
13629 #define TEXT_INIT               0
13630 #define TEXT_SETCURSOR          1
13631 #define TEXT_WRITECHAR          2
13632 #define TEXT_BACKSPACE          3
13633 #define TEXT_NEWLINE            4
13634 #define TEXT_END                5
13635 #define TEXT_QUERY_TYPING       6
13636
13637 static int DrawLevelText(int sx, int sy, char letter, int mode)
13638 {
13639   static short delete_buffer[MAX_LEV_FIELDX];
13640   static int start_sx;
13641   static int last_sx, last_sy;
13642   static boolean typing = FALSE;
13643   int letter_element;
13644   int lx = 0, ly = 0;
13645
13646   // map lower case letters to upper case and convert special characters
13647   if (letter >= 'a' && letter <= 'z')
13648     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
13649   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
13650     letter_element = EL_CHAR_AUMLAUT;
13651   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
13652     letter_element = EL_CHAR_OUMLAUT;
13653   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
13654     letter_element = EL_CHAR_UUMLAUT;
13655   else if (letter == '^')
13656     letter_element = EL_CHAR_COPYRIGHT;
13657   else
13658     letter_element = EL_CHAR_ASCII0 + letter;
13659
13660   if (mode != TEXT_INIT)
13661   {
13662     if (!typing)
13663       return FALSE;
13664
13665     if (mode != TEXT_SETCURSOR)
13666     {
13667       sx = last_sx;
13668       sy = last_sy;
13669     }
13670
13671     lx = last_sx + level_xpos;
13672     ly = last_sy + level_ypos;
13673   }
13674
13675   switch (mode)
13676   {
13677     case TEXT_INIT:
13678       if (typing)
13679         DrawLevelText(0, 0, 0, TEXT_END);
13680
13681       typing = TRUE;
13682       start_sx = sx;
13683       last_sx = sx;
13684       last_sy = sy;
13685       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
13686       break;
13687
13688     case TEXT_SETCURSOR:
13689       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
13690       DrawAreaBorder(sx, sy, sx, sy);
13691       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
13692                      ed_tilesize, ed_tilesize);
13693       last_sx = sx;
13694       last_sy = sy;
13695       break;
13696
13697     case TEXT_WRITECHAR:
13698       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
13699       {
13700         if (new_element1 >= EL_STEEL_CHAR_START &&
13701             new_element1 <= EL_STEEL_CHAR_END)
13702           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
13703
13704         delete_buffer[sx - start_sx] = Tile[lx][ly];
13705         Tile[lx][ly] = letter_element;
13706
13707         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
13708           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
13709         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
13710           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
13711         else
13712           DrawLevelText(0, 0, 0, TEXT_END);
13713
13714         level.changed = TRUE;
13715       }
13716       break;
13717
13718     case TEXT_BACKSPACE:
13719       if (sx > start_sx)
13720       {
13721         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
13722         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
13723         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
13724       }
13725       break;
13726
13727     case TEXT_NEWLINE:
13728       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
13729         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
13730       else
13731         DrawLevelText(0, 0, 0, TEXT_END);
13732       break;
13733
13734     case TEXT_END:
13735       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13736       DrawEditorElement(sx, sy, Tile[lx][ly]);
13737       StopTextInput();
13738       typing = FALSE;
13739       break;
13740
13741     case TEXT_QUERY_TYPING:
13742       break;
13743
13744     default:
13745       break;
13746   }
13747
13748   return typing;
13749 }
13750
13751 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
13752                           int element, boolean change_level)
13753 {
13754   int lx = sx + level_xpos;
13755   int ly = sy + level_ypos;
13756
13757   if (element == -1)
13758     DrawEditorElement(sx, sy, Tile[lx][ly]);
13759   else
13760     DrawAreaBorder(sx, sy, sx, sy);
13761 }
13762
13763 static void CheckLevelBorderElement(boolean redraw_playfield)
13764 {
13765   int last_border_element = BorderElement;
13766
13767   SetBorderElement();
13768
13769   if (redraw_playfield && BorderElement != last_border_element)
13770     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13771 }
13772
13773 static void CopyLevelToUndoBuffer(int mode)
13774 {
13775   static boolean accumulated_undo = FALSE;
13776   boolean new_undo_buffer_position = TRUE;
13777   int x, y;
13778
13779   if (undo_buffer_steps == 0)
13780     accumulated_undo = FALSE;
13781
13782   switch (mode)
13783   {
13784     case UNDO_IMMEDIATE:
13785       accumulated_undo = FALSE;
13786       break;
13787
13788     case UNDO_ACCUMULATE:
13789       if (accumulated_undo)
13790         new_undo_buffer_position = FALSE;
13791       accumulated_undo = TRUE;
13792       break;
13793
13794     default:
13795       break;
13796   }
13797
13798   if (new_undo_buffer_position)
13799   {
13800     // advance position in undo buffer ring
13801     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13802
13803     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
13804       undo_buffer_steps++;
13805   }
13806
13807   // always reset redo buffer when storing level change into undo buffer
13808   redo_buffer_steps = 0;
13809
13810   for (x = 0; x < lev_fieldx; x++)
13811     for (y = 0; y < lev_fieldy; y++)
13812       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
13813
13814   // check if drawing operation forces change of border style
13815   CheckLevelBorderElement(TRUE);
13816
13817   level.changed = TRUE;
13818 }
13819
13820 static void RandomPlacement(int new_element)
13821 {
13822   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13823   int num_free_positions = 0;
13824   int num_percentage, num_elements;
13825   int x, y;
13826
13827   ResetIntelliDraw();
13828
13829   // determine number of free positions for randomly placing the new element
13830   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
13831   {
13832     free_position[x][y] =
13833       (random_placement_background_restricted ?
13834        Tile[x][y] == random_placement_background_element :
13835        Tile[x][y] != new_element);
13836
13837     if (free_position[x][y])
13838       num_free_positions++;
13839   }
13840
13841   // determine number of new elements to place there
13842   num_percentage = num_free_positions * random_placement_value / 100;
13843   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
13844                   num_percentage : random_placement_value);
13845
13846   // if less free positions than elements to place, fill all these positions
13847   if (num_free_positions < num_elements)
13848   {
13849     for (x = 0; x < lev_fieldx; x++)
13850       for (y = 0; y < lev_fieldy; y++)
13851         if (free_position[x][y])
13852           SetElement(x, y, new_element);
13853   }
13854   else
13855   {
13856     while (num_elements > 0)
13857     {
13858       x = GetSimpleRandom(lev_fieldx);
13859       y = GetSimpleRandom(lev_fieldy);
13860
13861       // don't place element at the same position twice
13862       if (free_position[x][y])
13863       {
13864         free_position[x][y] = FALSE;
13865         SetElement(x, y, new_element);
13866         num_elements--;
13867       }
13868     }
13869   }
13870
13871   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13872   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13873 }
13874
13875 static void WrapLevel(int dx, int dy)
13876 {
13877   int wrap_dx = lev_fieldx - dx;
13878   int wrap_dy = lev_fieldy - dy;
13879   int x, y;
13880
13881   for (x = 0; x < lev_fieldx; x++)
13882     for (y = 0; y < lev_fieldy; y++)
13883       TileBackup[x][y] = Tile[x][y];
13884
13885   for (x = 0; x < lev_fieldx; x++)
13886     for (y = 0; y < lev_fieldy; y++)
13887       Tile[x][y] =
13888         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
13889
13890   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13891   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
13892 }
13893
13894 static void DrawAreaElementHighlight(boolean highlighted,
13895                                      boolean highlighted_similar)
13896 {
13897   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13898
13899   if (!highlighted)
13900     return;
13901
13902   int x, y;
13903
13904   for (x = 0; x < ed_fieldx; x++)
13905   {
13906     for (y = 0; y < ed_fieldy; y++)
13907     {
13908       boolean highlight = FALSE;
13909       int lx = x + level_xpos;
13910       int ly = y + level_ypos;
13911
13912       if (!IN_LEV_FIELD(lx, ly))
13913         continue;
13914
13915       // check if element is the same
13916       if (Tile[lx][ly] == new_element1)
13917         highlight = TRUE;
13918
13919       // check if element is similar
13920       if (highlighted_similar &&
13921           strEqual(element_info[Tile[lx][ly]].class_name,
13922                    element_info[new_element1].class_name))
13923         highlight = TRUE;
13924
13925       // check if element is matching MM style wall
13926       if (IS_MM_WALL(Tile[lx][ly]) &&
13927           map_mm_wall_element(Tile[lx][ly]) == new_element1)
13928         highlight = TRUE;
13929
13930       if (!highlight)
13931         continue;
13932
13933       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
13934       {
13935         int i;
13936
13937         for (i = 0; i < 4; i++)
13938         {
13939           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
13940             continue;
13941
13942           int xx = x * 2 + (i % 2);
13943           int yy = y * 2 + (i / 2);
13944           int sx = SX + xx * ed_tilesize / 2;
13945           int sy = SY + yy * ed_tilesize / 2;
13946           int from_sx = sx;
13947           int from_sy = sy;
13948           int to_sx = sx + ed_tilesize / 2 - 1;
13949           int to_sy = sy + ed_tilesize / 2 - 1;
13950
13951           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
13952           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
13953           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
13954           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
13955         }
13956       }
13957       else
13958       {
13959         int sx = SX + x * ed_tilesize;
13960         int sy = SY + y * ed_tilesize;
13961         int from_sx = sx;
13962         int from_sy = sy;
13963         int to_sx = sx + ed_tilesize - 1;
13964         int to_sy = sy + ed_tilesize - 1;
13965
13966         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
13967         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
13968         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
13969         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
13970       }
13971     }
13972   }
13973 }
13974
13975 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
13976 {
13977   char *template_filename_old = getLocalLevelTemplateFilename();
13978   char *template_filename_new =
13979     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
13980
13981   if (copyFile(template_filename_old, template_filename_new) != 0)
13982     Request("Cannot copy level template!", REQ_CONFIRM);
13983
13984   free(template_filename_new);
13985 }
13986
13987 static void HandleDrawingAreas(struct GadgetInfo *gi)
13988 {
13989   static boolean started_inside_drawing_area = FALSE;
13990   static int last_sx = -1;
13991   static int last_sy = -1;
13992   static int last_sx2 = -1;
13993   static int last_sy2 = -1;
13994   int id = gi->custom_id;
13995   int type_id = gi->custom_type_id;
13996   boolean button_press_event;
13997   boolean button_release_event;
13998   boolean inside_drawing_area = !gi->event.off_borders;
13999   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
14000   int actual_drawing_function;
14001   int button = gi->event.button;
14002   int new_element = BUTTON_ELEMENT(button);
14003   int sx = gi->event.x, sy = gi->event.y;
14004   int min_sx = 0, min_sy = 0;
14005   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
14006   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
14007   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
14008   int sx2 = gi->event.mx / mini_item_xsize;
14009   int sy2 = gi->event.my / mini_item_ysize;
14010   int dx = sx2 % 2;
14011   int dy = sy2 % 2;
14012   int lx = 0, ly = 0;
14013   int x, y;
14014
14015   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
14016   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
14017
14018   // make sure to stay inside drawing area boundaries
14019   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14020   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14021
14022   if (draw_level)
14023   {
14024     int min_lx = 0, min_ly = 0;
14025     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14026
14027     // get positions inside level field
14028     lx = sx + level_xpos;
14029     ly = sy + level_ypos;
14030
14031     if (!IN_LEV_FIELD(lx, ly))
14032       inside_drawing_area = FALSE;
14033
14034     // make sure to stay inside level field boundaries
14035     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14036     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14037
14038     // correct drawing area positions accordingly
14039     sx = lx - level_xpos;
14040     sy = ly - level_ypos;
14041   }
14042
14043   // also correct MM wall-sized (double) drawing area positions accordingly
14044   if (sx2 / 2 < sx || sx2 / 2 > sx)
14045   {
14046     dx = (sx2 / 2 < sx ? 0 : 1);
14047     sx2 = sx * 2 + dx;
14048   }
14049   if (sy2 / 2 < sy || sy2 / 2 > sy)
14050   {
14051     dy = (sy2 / 2 < sy ? 0 : 1);
14052     sy2 = sy * 2 + dy;
14053   }
14054
14055   if (!button_press_event && !button_release_event)
14056   {
14057     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
14058     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14059                              isHiresTileElement(old_element) &&
14060                              isHiresDrawElement(new_element));
14061
14062     // prevent handling events for every pixel position when moving mouse
14063     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
14064         (sx2 == last_sx2 && sy2 == last_sy2))
14065       return;
14066   }
14067
14068   last_sx = sx;
14069   last_sy = sy;
14070   last_sx2 = sx2;
14071   last_sy2 = sy2;
14072
14073   if (button_press_event)
14074     started_inside_drawing_area = inside_drawing_area;
14075
14076   if (!started_inside_drawing_area)
14077     return;
14078
14079   if (!IS_VALID_BUTTON(button))
14080     return;
14081
14082   // handle info callback for each invocation of action callback
14083   gi->callback_info(gi);
14084
14085   // automatically switch to 'single item' drawing mode, if needed
14086   actual_drawing_function =
14087     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
14088      drawing_function : GADGET_ID_SINGLE_ITEMS);
14089
14090   // clicking into drawing area with pressed Control key picks element
14091   if (GetKeyModState() & KMOD_Control)
14092   {
14093     last_drawing_function = drawing_function;
14094     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14095   }
14096
14097   if (GetKeyModState() & KMOD_Shift)
14098   {
14099     if (button_press_event || button_release_event)
14100       ResetIntelliDraw();
14101   }
14102
14103   SetDrawModeHiRes(-1);         // reset to normal draw mode
14104
14105   switch (actual_drawing_function)
14106   {
14107     case GADGET_ID_SINGLE_ITEMS:
14108       if (draw_level)
14109       {
14110         if (button_release_event)
14111         {
14112           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14113
14114           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
14115               !inside_drawing_area)
14116             DeleteBrushFromCursor();
14117
14118           break;
14119         }
14120
14121         if (draw_with_brush)
14122         {
14123           CopyBrushToLevel(sx, sy, button);
14124         }
14125         else
14126         {
14127           SetDrawModeHiRes(new_element);
14128
14129           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
14130           {
14131             // remove player at old position
14132             for (y = 0; y < lev_fieldy; y++)
14133             {
14134               for (x = 0; x < lev_fieldx; x++)
14135               {
14136                 int old_element = Tile[x][y];
14137
14138                 if (IS_PLAYER_ELEMENT(old_element) &&
14139                     IS_PLAYER_ELEMENT(new_element))
14140                 {
14141                   int replaced_with_element =
14142                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
14143                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
14144
14145                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
14146                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
14147
14148                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
14149                      old_element == EL_PLAYER_1 ? EL_EMPTY :
14150
14151                      new_element >= EL_PLAYER_1 &&
14152                      new_element <= EL_PLAYER_4 &&
14153                      new_element == old_element ? EL_EMPTY :
14154
14155                      old_element);
14156
14157                   SetElement(x, y, replaced_with_element);
14158                 }
14159                 else if (IS_MM_MCDUFFIN(old_element) &&
14160                          IS_MM_MCDUFFIN(new_element))
14161                 {
14162                   // remove McDuffin at old position
14163                   SetElement(x, y, EL_EMPTY);
14164                 }
14165               }
14166             }
14167           }
14168
14169           SetElementButton(lx, ly, dx, dy, new_element, button);
14170         }
14171       }
14172       else if (!button_release_event)
14173       {
14174         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14175
14176         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
14177           DrawMiniGraphicExt(drawto,
14178                              gi->x + sx * MINI_TILEX,
14179                              gi->y + sy * MINI_TILEY,
14180                              el2edimg(new_element));
14181         else
14182           DrawFixedGraphicExt(drawto,
14183                               gi->x + sx * TILEX,
14184                               gi->y + sy * TILEY,
14185                               el2edimg(new_element), 0);
14186
14187         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14188           new_element = GFX_ELEMENT(new_element);
14189
14190         drawingarea_info[type_id].value[pos] = new_element;
14191
14192         CopyElementPropertiesToGame(properties_element);
14193
14194         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14195         {
14196           UpdateCustomElementGraphicGadgets();
14197
14198           FrameCounter = 0;     // restart animation frame counter
14199         }
14200       }
14201       break;
14202
14203     case GADGET_ID_CONNECTED_ITEMS:
14204       {
14205         static int last_sx = -1;
14206         static int last_sy = -1;
14207
14208         if (button_release_event)
14209           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14210
14211         SetDrawModeHiRes(new_element);
14212
14213         if (getDrawModeHiRes())
14214         {
14215           sx = sx2;
14216           sy = sy2;
14217         }
14218
14219         if (!button_press_event)
14220           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
14221
14222         last_sx = sx;
14223         last_sy = sy;
14224       }
14225       break;
14226
14227     case GADGET_ID_LINE:
14228     case GADGET_ID_ARC:
14229     case GADGET_ID_RECTANGLE:
14230     case GADGET_ID_FILLED_BOX:
14231       SetDrawModeHiRes(new_element);
14232
14233       if (getDrawModeHiRes())
14234       {
14235         sx = sx2;
14236         sy = sy2;
14237       }
14238       // FALLTHROUGH
14239     case GADGET_ID_GRAB_BRUSH:
14240     case GADGET_ID_TEXT:
14241       {
14242         static int last_sx = -1;
14243         static int last_sy = -1;
14244         static int start_sx = -1;
14245         static int start_sy = -1;
14246         void (*draw_func)(int, int, int, int, int, boolean);
14247
14248         if (drawing_function == GADGET_ID_LINE)
14249           draw_func = DrawLine;
14250         else if (drawing_function == GADGET_ID_ARC)
14251           draw_func = DrawArc;
14252         else if (drawing_function == GADGET_ID_RECTANGLE)
14253           draw_func = DrawBox;
14254         else if (drawing_function == GADGET_ID_FILLED_BOX)
14255           draw_func = DrawFilledBox;
14256         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
14257           draw_func = SelectArea;
14258         else // (drawing_function == GADGET_ID_TEXT)
14259           draw_func = SetTextCursor;
14260
14261         if (button_press_event)
14262         {
14263           draw_func(sx, sy, sx, sy, new_element, FALSE);
14264           start_sx = last_sx = sx;
14265           start_sy = last_sy = sy;
14266
14267           if (drawing_function == GADGET_ID_TEXT)
14268             DrawLevelText(0, 0, 0, TEXT_END);
14269         }
14270         else if (button_release_event)
14271         {
14272           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
14273           if (drawing_function == GADGET_ID_GRAB_BRUSH)
14274           {
14275             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
14276             CopyBrushToCursor(sx, sy);
14277             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
14278                           MB_LEFTBUTTON);
14279             draw_with_brush = TRUE;
14280           }
14281           else if (drawing_function == GADGET_ID_TEXT)
14282             DrawLevelText(sx, sy, 0, TEXT_INIT);
14283           else
14284             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14285         }
14286         else if (last_sx != sx || last_sy != sy)
14287         {
14288           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
14289           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
14290             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
14291           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
14292           last_sx = sx;
14293           last_sy = sy;
14294         }
14295       }
14296       break;
14297
14298     case GADGET_ID_FLOOD_FILL:
14299       if (button_press_event && Tile[lx][ly] != new_element)
14300       {
14301         if (IS_MM_WALL_EDITOR(new_element))
14302           FloodFillWall_MM(sx2, sy2, new_element);
14303         else
14304           FloodFill(lx, ly, new_element);
14305
14306         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14307         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14308       }
14309       break;
14310
14311     case GADGET_ID_PICK_ELEMENT:
14312       if (button_release_event)
14313         ClickOnGadget(level_editor_gadget[last_drawing_function],
14314                       MB_LEFTBUTTON);
14315       else if (draw_level)
14316         PickDrawingElement(button, Tile[lx][ly]);
14317       else
14318       {
14319         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14320
14321         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
14322       }
14323
14324     default:
14325       break;
14326   }
14327
14328   // do not mark level as modified for certain non-level-changing gadgets
14329   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
14330        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
14331       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
14332       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14333     return;
14334
14335   level.changed = TRUE;
14336 }
14337
14338 static void HandleCounterButtons(struct GadgetInfo *gi)
14339 {
14340   int gadget_id = gi->custom_id;
14341   int counter_id = gi->custom_type_id;
14342   int button = gi->event.button;
14343   int *counter_value = counterbutton_info[counter_id].value;
14344   int step = BUTTON_STEPSIZE(button) *
14345     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
14346
14347   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14348   {
14349     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
14350     boolean released = (gi->event.type == GD_EVENT_RELEASED);
14351     boolean level_changed = LevelChanged();
14352
14353     if ((level_changed && pressed) || (!level_changed && released))
14354       return;
14355
14356     if (level_changed && !Request("Level has changed! Discard changes?",
14357                                   REQ_ASK))
14358     {
14359       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14360         ModifyEditorCounterValue(counter_id, *counter_value);
14361
14362       return;
14363     }
14364   }
14365
14366   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14367     *counter_value = gi->textinput.number_value;
14368   else
14369     ModifyEditorCounterValue(counter_id, *counter_value + step);
14370
14371   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14372   {
14373     int last_game_engine_type = level.game_engine_type;
14374
14375     LoadLevel(level_nr);
14376     LoadScore(level_nr);
14377
14378     SaveLevelSetup_SeriesInfo();
14379
14380     TapeErase();
14381
14382     ResetUndoBuffer();
14383     DrawEditModeWindow();
14384
14385     if (level.game_engine_type != last_game_engine_type)
14386     {
14387       // update element selection list
14388       ReinitializeElementList();
14389       ModifyEditorElementList();
14390     }
14391
14392     return;
14393   }
14394
14395   switch (counter_id)
14396   {
14397     case ED_COUNTER_ID_YAMYAM_CONTENT:
14398       DrawYamYamContentAreas();
14399       break;
14400
14401     case ED_COUNTER_ID_BALL_CONTENT:
14402       DrawMagicBallContentAreas();
14403       break;
14404
14405     case ED_COUNTER_ID_ANDROID_CONTENT:
14406       DrawAndroidElementArea();
14407       break;
14408
14409     case ED_COUNTER_ID_GROUP_CONTENT:
14410       DrawGroupElementArea();
14411       CopyGroupElementPropertiesToGame(properties_element);
14412       break;
14413
14414     case ED_COUNTER_ID_INVENTORY_SIZE:
14415       DrawPlayerInitialInventoryArea(properties_element);
14416       break;
14417
14418     case ED_COUNTER_ID_MM_BALL_CONTENT:
14419       DrawMMBallContentArea();
14420       break;
14421
14422     case ED_COUNTER_ID_ENVELOPE_XSIZE:
14423     case ED_COUNTER_ID_ENVELOPE_YSIZE:
14424       DrawEnvelopeTextArea(-1);
14425       break;
14426
14427     case ED_COUNTER_ID_LEVEL_XSIZE:
14428     case ED_COUNTER_ID_LEVEL_YSIZE:
14429       lev_fieldx = level.fieldx;
14430       lev_fieldy = level.fieldy;
14431
14432       // check if resizing of level results in change of border border
14433       SetBorderElement();
14434
14435       break;
14436
14437     default:
14438       break;
14439   }
14440
14441   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
14442        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
14443       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
14444        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
14445     CopyElementPropertiesToGame(properties_element);
14446
14447   // do not mark level as modified for certain non-level-changing gadgets
14448   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
14449        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
14450       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
14451        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
14452     return;
14453
14454   level.changed = TRUE;
14455 }
14456
14457 static void HandleTextInputGadgets(struct GadgetInfo *gi)
14458 {
14459   int type_id = gi->custom_type_id;
14460
14461   strcpy(textinput_info[type_id].value, gi->textinput.value);
14462
14463   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
14464   {
14465     CopyElementPropertiesToGame(properties_element);
14466
14467     ModifyEditorElementList();  // update changed button info text
14468   }
14469
14470   // do not mark level as modified for certain non-level-changing gadgets
14471   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
14472       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
14473     return;
14474
14475   level.changed = TRUE;
14476 }
14477
14478 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
14479 {
14480   int type_id = gi->custom_type_id;
14481
14482   strncpy(textarea_info[type_id].value, gi->textarea.value,
14483           MAX_ENVELOPE_TEXT_LEN);
14484   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
14485
14486   level.changed = TRUE;
14487 }
14488
14489 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
14490 {
14491   int type_id = gi->custom_type_id;
14492   int value_old = *selectbox_info[type_id].value;
14493   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
14494
14495   *selectbox_info[type_id].value = value_new;
14496
14497   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
14498   {
14499     DrawLevelConfigWindow();
14500   }
14501   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
14502   {
14503     element_info[properties_element].current_change_page = gi->selectbox.index;
14504
14505     DrawPropertiesWindow();
14506   }
14507   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
14508             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
14509            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
14510             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
14511            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
14512   {
14513     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
14514     {
14515       // when changing action type, also check action mode and action arg
14516       if (value_old != value_new)
14517         setSelectboxSpecialActionVariablesIfNeeded();
14518
14519       DrawPropertiesChange();
14520     }
14521
14522     CopyElementPropertiesToGame(properties_element);
14523   }
14524   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
14525   {
14526     // show or hide "engine" tabulator depending on game engine type
14527     DrawLevelConfigWindow();
14528
14529     // update element selection list depending on game engine type
14530     ReinitializeElementList();
14531     ModifyEditorElementList();
14532   }
14533
14534   // do not mark level as modified for certain non-level-changing gadgets
14535   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
14536       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
14537     return;
14538
14539   level.changed = TRUE;
14540 }
14541
14542 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
14543 {
14544   int type_id = gi->custom_type_id;
14545   int i;
14546
14547   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
14548       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
14549   {
14550     edit_mode_levelconfig = gi->custom_type_id;
14551
14552     DrawLevelConfigWindow();
14553   }
14554   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
14555            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
14556   {
14557     edit_mode_properties = gi->custom_type_id;
14558
14559     DrawPropertiesWindow();
14560   }
14561   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
14562            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
14563   {
14564     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
14565
14566     // backup original "level.field" (needed to track playfield changes)
14567     CopyPlayfield(level.field, TileBackup);
14568
14569     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
14570     CopyPlayfield(Tile, level.field);
14571
14572     if (new_template ||
14573         Request("Save this template and kill the old?", REQ_ASK))
14574       SaveLevelTemplate();
14575
14576     if (new_template)
14577       Request("Template saved!", REQ_CONFIRM);
14578
14579     // restore original "level.field" (needed to track playfield changes)
14580     CopyPlayfield(TileBackup, level.field);
14581   }
14582   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
14583   {
14584     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
14585
14586     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
14587         leveldir_current->readonly)
14588     {
14589       Request("This level set is read-only!", REQ_CONFIRM);
14590
14591       return;
14592     }
14593
14594     if (strEqual(levelset_name, ""))
14595     {
14596       Request("Please enter level set title!", REQ_CONFIRM);
14597
14598       return;
14599     }
14600
14601     if (strEqual(levelset_author, ""))
14602     {
14603       Request("Please enter level set author!", REQ_CONFIRM);
14604
14605       return;
14606     }
14607
14608     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
14609     {
14610       if (UpdateUserLevelSet(levelset_subdir,
14611                              levelset_name,
14612                              levelset_author,
14613                              levelset_num_levels))
14614       {
14615         Request("Level set updated!", REQ_CONFIRM);
14616       }
14617       else
14618       {
14619         Request("Updating level set failed!", REQ_CONFIRM);
14620       }
14621     }
14622     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
14623     {
14624       if (level.changed && !Request("Level has changed! Discard changes?",
14625                                      REQ_ASK))
14626         return;
14627
14628       if (CreateUserLevelSet(levelset_subdir,
14629                              levelset_name,
14630                              levelset_author,
14631                              levelset_num_levels,
14632                              levelset_use_levelset_artwork))
14633       {
14634         if (levelset_copy_level_template)
14635           CopyLevelTemplateToUserLevelSet(levelset_subdir);
14636
14637         Request("New level set created!", REQ_CONFIRM);
14638
14639         AddUserLevelSetToLevelInfo(levelset_subdir);
14640         ChangeEditorToLevelSet(levelset_subdir);
14641       }
14642       else
14643       {
14644         Request("Creating new level set failed!", REQ_CONFIRM);
14645       }
14646     }
14647   }
14648   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
14649            custom_element.num_change_pages < MAX_CHANGE_PAGES)
14650   {
14651     struct ElementInfo *ei = &element_info[properties_element];
14652
14653     // when modifying custom element, ask for copying level template
14654     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14655       return;
14656
14657     setElementChangePages(ei, ei->num_change_pages + 1);
14658
14659     // set new change page to be new current change page
14660     ei->current_change_page = ei->num_change_pages - 1;
14661     ei->change = &ei->change_page[ei->current_change_page];
14662
14663     setElementChangeInfoToDefaults(ei->change);
14664
14665     DrawPropertiesWindow();
14666
14667     level.changed = TRUE;
14668   }
14669   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
14670            custom_element.num_change_pages > MIN_CHANGE_PAGES)
14671   {
14672     struct ElementInfo *ei = &element_info[properties_element];
14673
14674     // when modifying custom element, ask for copying level template
14675     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14676       return;
14677
14678     // copy all change pages after change page to be deleted
14679     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
14680       ei->change_page[i] = ei->change_page[i + 1];
14681
14682     setElementChangePages(ei, ei->num_change_pages - 1);
14683
14684     DrawPropertiesWindow();
14685
14686     level.changed = TRUE;
14687   }
14688 }
14689
14690 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
14691 {
14692   int type_id = gi->custom_type_id;
14693
14694   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
14695       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
14696   {
14697     struct ElementInfo *ei = &element_info[properties_element];
14698     int step = BUTTON_STEPSIZE(gi->event.button);
14699
14700     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
14701     ei->current_change_page += step;
14702
14703     if (ei->current_change_page < 0)
14704       ei->current_change_page = 0;
14705     else if (ei->current_change_page >= ei->num_change_pages)
14706       ei->current_change_page = ei->num_change_pages - 1;
14707
14708     DrawPropertiesWindow();
14709   }
14710   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
14711            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
14712   {
14713     struct ElementInfo *ei = &element_info[properties_element];
14714     int current_change_page = ei->current_change_page;
14715
14716     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
14717     {
14718       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
14719         ei->change_page[current_change_page];
14720     }
14721     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
14722     {
14723       // when modifying custom element, ask for copying level template
14724       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14725         return;
14726
14727       ei->change_page[current_change_page] =
14728         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
14729
14730       level.changed = TRUE;
14731     }
14732
14733     DrawPropertiesWindow();
14734   }
14735 }
14736
14737 static void HandleRadiobuttons(struct GadgetInfo *gi)
14738 {
14739   int type_id = gi->custom_type_id;
14740
14741   *radiobutton_info[type_id].value =
14742     radiobutton_info[type_id].checked_value;
14743
14744   // do not mark level as modified for certain non-level-changing gadgets
14745   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
14746       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
14747     return;
14748
14749   level.changed = TRUE;
14750 }
14751
14752 static void HandleCheckbuttons(struct GadgetInfo *gi)
14753 {
14754   int type_id = gi->custom_type_id;
14755
14756   *checkbutton_info[type_id].value ^= TRUE;
14757
14758   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
14759       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
14760       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
14761       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
14762          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
14763         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
14764          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
14765        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
14766   {
14767     CopyElementPropertiesToGame(properties_element);
14768   }
14769
14770   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
14771   {
14772     UpdateCustomElementGraphicGadgets();
14773   }
14774   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
14775            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
14776   {
14777     boolean template_related_changes_found = FALSE;
14778     int i;
14779
14780     // check if any custom, group or empty elements have been changed
14781     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
14782       if ((IS_CUSTOM_ELEMENT(i) ||
14783            IS_GROUP_ELEMENT(i) ||
14784            IS_EMPTY_ELEMENT(i)) &&
14785           element_info[i].modified_settings)
14786         template_related_changes_found = TRUE;
14787
14788     if (level.use_custom_template &&
14789         !fileExists(getGlobalLevelTemplateFilename()))
14790     {
14791       Request("No level template found!", REQ_CONFIRM);
14792
14793       level.use_custom_template = FALSE;
14794
14795       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
14796
14797       return;
14798     }
14799
14800     if (level.use_custom_template &&
14801         template_related_changes_found &&
14802         !Request("Discard changes and use level template?", REQ_ASK))
14803     {
14804       level.use_custom_template = FALSE;
14805
14806       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
14807
14808       return;
14809     }
14810
14811     if (!level.use_custom_template &&
14812         Request("Copy settings from level template?", REQ_ASK))
14813     {
14814       return;
14815     }
14816
14817     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
14818
14819     DrawEditModeWindow();
14820   }
14821   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
14822   {
14823     if (setup.editor.use_template_for_new_levels &&
14824         !fileExists(getGlobalLevelTemplateFilename()))
14825     {
14826       Request("No level template found!", REQ_CONFIRM);
14827
14828       return;
14829     }
14830
14831     if (setup.editor.use_template_for_new_levels &&
14832         level.changed &&
14833         !Request("Discard level and load template?", REQ_ASK))
14834     {
14835       return;
14836     }
14837
14838     if (!setup.editor.use_template_for_new_levels &&
14839         level.changed &&
14840         !Request("Discard level and use empty level?", REQ_ASK))
14841     {
14842       return;
14843     }
14844
14845     LoadLevel(level_nr);
14846     LoadScore(level_nr);
14847
14848     TapeErase();
14849
14850     ResetUndoBuffer();
14851     DrawEditModeWindow();
14852   }
14853   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
14854   {
14855     SetAutomaticNumberOfGemsNeeded();
14856   }
14857
14858   // do not mark level as modified for certain non-level-changing gadgets
14859   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
14860        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
14861       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
14862        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
14863        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
14864       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
14865     return;
14866
14867   level.changed = TRUE;
14868 }
14869
14870 static void HandleControlButtons(struct GadgetInfo *gi)
14871 {
14872   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
14873   static int last_edit_mode = ED_MODE_DRAWING;
14874   static int last_custom_copy_mode = -1;
14875   static int last_button = 0;
14876   int id = gi->custom_id;
14877   int button = gi->event.button;
14878   int step = BUTTON_STEPSIZE(button);
14879   int new_element = BUTTON_ELEMENT(button);
14880   int last_properties_element = properties_element;
14881   int x, y;
14882
14883   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
14884     DrawLevelText(0, 0, 0, TEXT_END);
14885
14886   if (id < ED_NUM_CTRL1_BUTTONS &&
14887       id != GADGET_ID_SINGLE_ITEMS &&
14888       id != GADGET_ID_PICK_ELEMENT &&
14889       edit_mode != ED_MODE_DRAWING &&
14890       drawing_function != GADGET_ID_PICK_ELEMENT &&
14891       !(GetKeyModState() & KMOD_Control))
14892     ChangeEditModeWindow(ED_MODE_DRAWING);
14893
14894   // element copy mode active, but no element button pressed => deactivate
14895   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
14896     last_custom_copy_mode = -1;
14897
14898   // when showing palette on element buttons, change element of button used
14899   if (editor.palette.show_on_element_buttons &&
14900       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
14901   {
14902     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
14903
14904     id = GADGET_ID_PALETTE;
14905   }
14906
14907   switch (id)
14908   {
14909     case GADGET_ID_SCROLL_LEFT:
14910       if (level_xpos >= 0)
14911       {
14912         if (lev_fieldx < ed_fieldx - 2)
14913           break;
14914
14915         level_xpos -= step;
14916         if (level_xpos < -1)
14917           level_xpos = -1;
14918         if (button == 1)
14919           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
14920         else
14921           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14922
14923         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
14924                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
14925       }
14926       break;
14927
14928     case GADGET_ID_SCROLL_RIGHT:
14929       if (level_xpos <= lev_fieldx - ed_fieldx)
14930       {
14931         if (lev_fieldx < ed_fieldx - 2)
14932           break;
14933
14934         level_xpos += step;
14935         if (level_xpos > lev_fieldx - ed_fieldx + 1)
14936           level_xpos = lev_fieldx - ed_fieldx + 1;
14937         if (button == 1)
14938           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
14939         else
14940           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14941
14942         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
14943                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
14944       }
14945       break;
14946
14947     case GADGET_ID_SCROLL_UP:
14948       if (level_ypos >= 0)
14949       {
14950         if (lev_fieldy < ed_fieldy - 2)
14951           break;
14952
14953         level_ypos -= step;
14954         if (level_ypos < -1)
14955           level_ypos = -1;
14956         if (button == 1)
14957           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
14958         else
14959           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14960
14961         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
14962                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
14963       }
14964       break;
14965
14966     case GADGET_ID_SCROLL_DOWN:
14967       if (level_ypos <= lev_fieldy - ed_fieldy)
14968       {
14969         if (lev_fieldy < ed_fieldy - 2)
14970           break;
14971
14972         level_ypos += step;
14973         if (level_ypos > lev_fieldy - ed_fieldy + 1)
14974           level_ypos = lev_fieldy - ed_fieldy + 1;
14975         if (button == 1)
14976           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
14977         else
14978           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14979
14980         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
14981                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
14982       }
14983       break;
14984
14985     case GADGET_ID_SCROLL_HORIZONTAL:
14986       level_xpos = gi->event.item_position - 1;
14987
14988       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14989       BackToFront();
14990
14991       break;
14992
14993     case GADGET_ID_SCROLL_VERTICAL:
14994       level_ypos = gi->event.item_position - 1;
14995
14996       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14997       BackToFront();
14998
14999       break;
15000
15001     case GADGET_ID_SCROLL_LIST_UP:
15002     case GADGET_ID_SCROLL_LIST_DOWN:
15003     case GADGET_ID_SCROLL_LIST_VERTICAL:
15004       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
15005         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
15006       else
15007       {
15008         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
15009         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15010
15011         if (element_shift < 0)
15012           element_shift = 0;
15013         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15014           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15015
15016         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15017                      GDI_SCROLLBAR_ITEM_POSITION,
15018                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15019       }
15020
15021       ModifyEditorElementList();
15022
15023       break;
15024
15025     case GADGET_ID_PROPERTIES:
15026       // always switch off element properties when they are already displayed
15027       last_properties_element = new_element;
15028     case GADGET_ID_ELEMENT_LEFT:
15029     case GADGET_ID_ELEMENT_MIDDLE:
15030     case GADGET_ID_ELEMENT_RIGHT:
15031       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
15032                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
15033                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
15034                             new_element);
15035
15036       if (edit_mode != ED_MODE_PROPERTIES)
15037       {
15038         last_edit_mode = edit_mode;
15039
15040         ChangeEditModeWindow(ED_MODE_PROPERTIES);
15041
15042         last_level_drawing_function = drawing_function;
15043         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15044                       MB_LEFTBUTTON);
15045       }
15046       else if (properties_element != last_properties_element)
15047       {
15048         DrawEditModeWindow();
15049       }
15050       else
15051       {
15052         ChangeEditModeWindow(ED_MODE_DRAWING);
15053
15054         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
15055                       MB_LEFTBUTTON);
15056       }
15057       break;
15058
15059     case GADGET_ID_PALETTE:
15060       if (edit_mode != ED_MODE_PALETTE)
15061       {
15062         last_edit_mode = edit_mode;
15063
15064         ChangeEditModeWindow(ED_MODE_PALETTE);
15065       }
15066       else
15067       {
15068         ChangeEditModeWindow(last_edit_mode);
15069       }
15070       break;
15071
15072     case GADGET_ID_WRAP_LEFT:
15073       WrapLevel(-step, 0);
15074       break;
15075
15076     case GADGET_ID_WRAP_RIGHT:
15077       WrapLevel(step, 0);
15078       break;
15079
15080     case GADGET_ID_WRAP_UP:
15081       WrapLevel(0, -step);
15082       break;
15083
15084     case GADGET_ID_WRAP_DOWN:
15085       WrapLevel(0, step);
15086       break;
15087
15088     case GADGET_ID_SINGLE_ITEMS:
15089     case GADGET_ID_CONNECTED_ITEMS:
15090     case GADGET_ID_LINE:
15091     case GADGET_ID_ARC:
15092     case GADGET_ID_TEXT:
15093     case GADGET_ID_RECTANGLE:
15094     case GADGET_ID_FILLED_BOX:
15095     case GADGET_ID_FLOOD_FILL:
15096     case GADGET_ID_GRAB_BRUSH:
15097     case GADGET_ID_PICK_ELEMENT:
15098       if (drawing_function != GADGET_ID_PICK_ELEMENT)
15099         last_drawing_function = drawing_function;
15100       drawing_function = id;
15101       draw_with_brush = FALSE;
15102       break;
15103
15104     case GADGET_ID_RANDOM_PLACEMENT:
15105       RandomPlacement(new_element);
15106       break;
15107
15108     case GADGET_ID_ZOOM:
15109       // zoom level editor tile size in or out (or reset to default size)
15110       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
15111                      button == 2 ? ed_tilesize_default :
15112                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
15113
15114       // when using touch device, cycle through all zoom tilesizes
15115       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
15116         ed_tilesize = MICRO_TILESIZE;
15117
15118       // limit zoom level by upper and lower bound
15119       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
15120
15121       InitZoomLevelSettings(ed_tilesize);
15122
15123       if (edit_mode == ED_MODE_DRAWING)
15124       {
15125         DrawDrawingWindow();
15126
15127         // redraw zoom gadget info text
15128         PrintEditorGadgetInfoText(level_editor_gadget[id]);
15129       }
15130
15131       // save current editor zoom tilesize
15132       SaveSetup_AutoSetup();
15133
15134       break;
15135
15136     case GADGET_ID_CUSTOM_COPY_FROM:
15137     case GADGET_ID_CUSTOM_COPY_TO:
15138     case GADGET_ID_CUSTOM_EXCHANGE:
15139       last_custom_copy_mode = id;
15140       last_drawing_function = drawing_function;
15141       break;
15142
15143     case GADGET_ID_CUSTOM_COPY:
15144       CopyCustomElement(properties_element, -1, id);
15145       break;
15146
15147     case GADGET_ID_CUSTOM_PASTE:
15148       CopyCustomElement(-1, properties_element, id);
15149       break;
15150
15151     case GADGET_ID_UNDO:
15152       if (button < 0)   // keep button value (even if modifier keys are pressed)
15153         button = -button;
15154       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
15155         button = 3;
15156
15157       if (button == 1 && undo_buffer_steps == 0)
15158       {
15159         Request("Undo buffer empty!", REQ_CONFIRM);
15160
15161         break;
15162       }
15163       else if (button == 2)
15164       {
15165         break;
15166       }
15167       else if (button == 3 && redo_buffer_steps == 0)
15168       {
15169         Request("Redo buffer empty!", REQ_CONFIRM);
15170
15171         break;
15172       }
15173
15174       if (edit_mode != ED_MODE_DRAWING)
15175         ChangeEditModeWindow(ED_MODE_DRAWING);
15176
15177       if (button == 1)
15178       {
15179         // undo
15180
15181         undo_buffer_position =
15182           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
15183
15184         undo_buffer_steps--;
15185         redo_buffer_steps++;
15186       }
15187       else
15188       {
15189         // redo
15190
15191         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15192
15193         undo_buffer_steps++;
15194         redo_buffer_steps--;
15195       }
15196
15197       for (x = 0; x < lev_fieldx; x++)
15198         for (y = 0; y < lev_fieldy; y++)
15199           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
15200
15201       // check if undo operation forces change of border style
15202       CheckLevelBorderElement(FALSE);
15203
15204       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15205
15206       break;
15207
15208     case GADGET_ID_CONF:
15209       if (edit_mode != ED_MODE_LEVELCONFIG)
15210       {
15211         last_edit_mode = edit_mode;
15212
15213         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
15214       }
15215       else
15216       {
15217         ChangeEditModeWindow(ED_MODE_DRAWING);
15218       }
15219       break;
15220
15221     case GADGET_ID_CLEAR:
15222       if (edit_mode != ED_MODE_DRAWING)
15223         ChangeEditModeWindow(ED_MODE_DRAWING);
15224
15225       for (x = 0; x < MAX_LEV_FIELDX; x++)
15226         for (y = 0; y < MAX_LEV_FIELDY; y++)
15227           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
15228
15229       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
15230
15231       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15232       break;
15233
15234     case GADGET_ID_SAVE:
15235     {
15236       // saving read-only levels into personal level set modifies global vars
15237       // "leveldir_current" and "level_nr"; restore them after saving level
15238       LevelDirTree *leveldir_former = leveldir_current;
15239       int level_nr_former = level_nr;
15240       char *level_filename;
15241       boolean new_level;
15242
15243       if (leveldir_current->readonly &&
15244           !PrepareSavingIntoPersonalLevelSet())
15245         break;
15246
15247       level_filename = getDefaultLevelFilename(level_nr);
15248       new_level = !fileExists(level_filename);
15249
15250       if (new_level ||
15251           Request("Save this level and kill the old?", REQ_ASK))
15252       {
15253         if (leveldir_former->readonly)
15254           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
15255
15256         SetAutomaticNumberOfGemsNeeded();
15257
15258         CopyPlayfield(Tile, level.field);
15259         SaveLevel(level_nr);
15260
15261         level.changed = FALSE;
15262
15263         if (new_level)
15264         {
15265           char level_saved_msg[64];
15266
15267           if (leveldir_former->readonly)
15268             sprintf(level_saved_msg,
15269                     "Level saved as level %d into personal level set!",
15270                     level_nr);
15271           else
15272             strcpy(level_saved_msg, "Level saved!");
15273
15274           Request(level_saved_msg, REQ_CONFIRM);
15275         }
15276       }
15277
15278       // "cd" back to copied-from levelset (in case of saved read-only level)
15279       leveldir_current = leveldir_former;
15280       level_nr = level_nr_former;
15281
15282       break;
15283     }
15284
15285     case GADGET_ID_TEST:
15286       if (LevelChanged())
15287         level.game_version = GAME_VERSION_ACTUAL;
15288
15289       CopyPlayfield(level.field, TileBackup);
15290       CopyPlayfield(Tile, level.field);
15291
15292       CopyNativeLevel_RND_to_Native(&level);
15293
15294       UnmapLevelEditorGadgets();
15295       UndrawSpecialEditorDoor();
15296
15297       CloseDoor(DOOR_CLOSE_ALL);
15298
15299       // needed before playing if editor playfield area has different size
15300       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
15301
15302       // redraw_mask = REDRAW_ALL;
15303
15304       level_editor_test_game = TRUE;
15305
15306       StartGameActions(FALSE, setup.autorecord, level.random_seed);
15307
15308       break;
15309
15310     case GADGET_ID_EXIT:
15311       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
15312       break;
15313
15314     default:
15315       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
15316           id <= GADGET_ID_ELEMENTLIST_LAST)
15317       {
15318         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
15319
15320         new_element = editor_elements[element_position + element_shift];
15321
15322         if (IS_EDITOR_CASCADE(new_element))
15323         {
15324           int i;
15325
15326           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
15327           {
15328             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
15329             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
15330
15331             if (*cascade_element == new_element)
15332             {
15333               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
15334               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
15335
15336               // update element selection list
15337               ReinitializeElementList();
15338               ModifyEditorElementList();
15339
15340               // update cascading gadget info text
15341               PrintEditorGadgetInfoText(level_editor_gadget[id]);
15342
15343               // save current editor cascading state
15344               SaveSetup_EditorCascade();
15345
15346               break;
15347             }
15348           }
15349
15350           break;
15351         }
15352
15353         if (last_custom_copy_mode != -1)
15354         {
15355           if (CopyCustomElement(properties_element, new_element,
15356                                 last_custom_copy_mode))
15357           {
15358             ClickOnGadget(level_editor_gadget[last_drawing_function],
15359                           MB_LEFTBUTTON);
15360
15361             last_custom_copy_mode = -1;
15362           }
15363
15364           break;
15365         }
15366
15367         // change element of button used to show palette
15368         if (editor.palette.show_on_element_buttons)
15369           button = last_button;
15370
15371         PickDrawingElement(button, new_element);
15372
15373         if (!stick_element_properties_window &&
15374             drawing_function != GADGET_ID_PICK_ELEMENT &&
15375             !(GetKeyModState() & KMOD_Control))
15376         {
15377           properties_element = new_element;
15378           if (edit_mode == ED_MODE_PROPERTIES)
15379             DrawPropertiesWindow();
15380         }
15381
15382         if (drawing_function == GADGET_ID_PICK_ELEMENT)
15383           ClickOnGadget(level_editor_gadget[last_drawing_function],
15384                         MB_LEFTBUTTON);
15385
15386         if (!use_permanent_palette)
15387           ChangeEditModeWindow(last_edit_mode);
15388       }
15389 #ifdef DEBUG
15390       else if (gi->event.type == GD_EVENT_PRESSED)
15391         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
15392       else if (gi->event.type == GD_EVENT_RELEASED)
15393         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
15394       else if (gi->event.type == GD_EVENT_MOVING)
15395         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
15396       else
15397         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
15398 #endif
15399       break;
15400   }
15401 }
15402
15403 void HandleLevelEditorKeyInput(Key key)
15404 {
15405   char letter = getCharFromKey(key);
15406
15407   if (drawing_function == GADGET_ID_TEXT &&
15408       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
15409   {
15410     if (letter)
15411       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
15412     else if (key == KSYM_Delete || key == KSYM_BackSpace)
15413       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
15414     else if (key == KSYM_Return)
15415       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
15416     else if (key == KSYM_Escape)
15417       DrawLevelText(0, 0, 0, TEXT_END);
15418
15419     return;
15420   }
15421
15422   int id = GADGET_ID_NONE;
15423   int new_element_shift = element_shift;
15424   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
15425   int button = MB_LEFTBUTTON;
15426   int i;
15427
15428   switch (key)
15429   {
15430     case KSYM_Left:
15431       id = GADGET_ID_SCROLL_LEFT;
15432       break;
15433     case KSYM_Right:
15434       id = GADGET_ID_SCROLL_RIGHT;
15435       break;
15436     case KSYM_Up:
15437       id = GADGET_ID_SCROLL_UP;
15438       break;
15439     case KSYM_Down:
15440       id = GADGET_ID_SCROLL_DOWN;
15441       break;
15442
15443     case KSYM_Page_Up:
15444     case KSYM_Page_Down:
15445       step *= (key == KSYM_Page_Up ? -1 : +1);
15446       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15447
15448       if (element_shift < 0)
15449         element_shift = 0;
15450       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15451         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15452
15453       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15454                    GDI_SCROLLBAR_ITEM_POSITION,
15455                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15456
15457       ModifyEditorElementList();
15458
15459       break;
15460
15461     case KSYM_Home:
15462     case KSYM_End:
15463       element_shift = (key == KSYM_Home ? 0 :
15464                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
15465
15466       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15467                    GDI_SCROLLBAR_ITEM_POSITION,
15468                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15469
15470       ModifyEditorElementList();
15471
15472       break;
15473
15474     case KSYM_Insert:
15475     case KSYM_Delete:
15476
15477       // this is needed to prevent interference with running "True X-Mouse"
15478       if (GetKeyModStateFromEvents() & KMOD_Control)
15479         break;
15480
15481       // check for last or next editor cascade block in element list
15482       for (i = 0; i < num_editor_elements; i++)
15483       {
15484         if ((key == KSYM_Insert && i == element_shift) ||
15485             (key == KSYM_Delete && new_element_shift > element_shift))
15486           break;
15487
15488         // jump to next cascade block (or to start of element list)
15489         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
15490           new_element_shift = i;
15491       }
15492
15493       if (i < num_editor_elements)
15494         element_shift = new_element_shift;
15495
15496       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15497         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15498
15499       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15500                    GDI_SCROLLBAR_ITEM_POSITION,
15501                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15502
15503       ModifyEditorElementList();
15504
15505       break;
15506
15507     case KSYM_Escape:
15508       if (edit_mode == ED_MODE_DRAWING)
15509         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
15510       else if (edit_mode == ED_MODE_LEVELCONFIG)
15511         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
15512       else if (edit_mode == ED_MODE_PROPERTIES)
15513         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
15514       else if (edit_mode == ED_MODE_PALETTE)
15515         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
15516       else              // should never happen
15517         ChangeEditModeWindow(ED_MODE_DRAWING);
15518
15519       break;
15520
15521     default:
15522       break;
15523   }
15524
15525   if (id != GADGET_ID_NONE)
15526     ClickOnGadget(level_editor_gadget[id], button);
15527   else if (letter == '1' || letter == '?')
15528     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
15529   else if (letter == '2')
15530     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
15531   else if (letter == '3')
15532     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
15533   else if (letter == '.')
15534     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
15535   else if (letter == 'U')
15536     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
15537   else if (letter == '-' || key == KSYM_KP_Subtract)
15538     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
15539   else if (letter == '0' || key == KSYM_KP_0)
15540     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
15541   else if (letter == '+' || key == KSYM_KP_Add ||
15542            letter == '=')       // ("Shift-=" is "+" on US keyboards)
15543     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
15544   else if (key == KSYM_Return ||
15545            key == KSYM_space ||
15546            key == setup.shortcut.toggle_pause)
15547     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
15548   else
15549     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
15550       if (letter && letter == controlbutton_info[i].shortcut)
15551         if (!anyTextGadgetActive())
15552           ClickOnGadget(level_editor_gadget[i], button);
15553
15554   if (draw_with_brush)
15555   {
15556     if (letter == 'x')
15557       FlipBrushX();
15558     else if (letter == 'y')
15559       FlipBrushY();
15560     else if (letter == 'z')
15561       RotateBrush();
15562   }
15563 }
15564
15565 static void HandleLevelEditorIdle_Properties(void)
15566 {
15567   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
15568   int x = editor.settings.element_graphic.x + element_border;
15569   int y = editor.settings.element_graphic.y + element_border;
15570   static DelayCounter action_delay = { 0 };
15571   int i;
15572
15573   action_delay.value = GameFrameDelay;
15574
15575   if (!DelayReached(&action_delay))
15576     return;
15577
15578   for (i = 0; i < ED_NUM_SELECTBOX; i++)
15579   {
15580     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
15581
15582     if (gi->mapped && gi->active && gi->selectbox.open)
15583       return;
15584   }
15585
15586   DrawEditorElementAnimation(SX + x, SY + y);
15587
15588   redraw_mask |= REDRAW_FIELD;
15589
15590   FrameCounter++;       // increase animation frame counter
15591 }
15592
15593 static void HandleLevelEditorIdle_Drawing(void)
15594 {
15595   static boolean last_highlighted = FALSE;
15596   static boolean last_highlighted_similar = FALSE;
15597   boolean highlighted = (GetKeyModState() & KMOD_Alt);
15598   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
15599
15600   if (highlighted != last_highlighted ||
15601       (highlighted && highlighted_similar != last_highlighted_similar))
15602   {
15603     DrawAreaElementHighlight(highlighted, highlighted_similar);
15604
15605     redraw_mask |= REDRAW_FIELD;
15606   }
15607
15608   last_highlighted = highlighted;
15609   last_highlighted_similar = highlighted_similar;
15610 }
15611
15612 void HandleLevelEditorIdle(void)
15613 {
15614   if (edit_mode == ED_MODE_PROPERTIES)
15615     HandleLevelEditorIdle_Properties();
15616   else if (edit_mode == ED_MODE_DRAWING)
15617     HandleLevelEditorIdle_Drawing();
15618 }
15619
15620 static void ClearEditorGadgetInfoText(void)
15621 {
15622   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
15623 }
15624
15625 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
15626 {
15627   char infotext[MAX_OUTPUT_LINESIZE + 1];
15628   int max_infotext_len = getMaxInfoTextLength();
15629
15630   if (gi == NULL || strlen(gi->info_text) == 0)
15631     return;
15632
15633   strncpy(infotext, gi->info_text, max_infotext_len);
15634   infotext[max_infotext_len] = '\0';
15635
15636   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
15637   {
15638     int key = controlbutton_info[gi->custom_id].shortcut;
15639
15640     if (key)
15641     {
15642       char shortcut[MAX_OUTPUT_LINESIZE + 1];
15643
15644       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
15645         sprintf(shortcut, " ('.' or '%c')", key);
15646       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
15647         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
15648       else if (gi->custom_id == GADGET_ID_TEST)
15649         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
15650       else if (gi->custom_id == GADGET_ID_UNDO)
15651         sprintf(shortcut, " ('%c/Shift-U')", key);
15652       else if (gi->custom_id == GADGET_ID_ZOOM)
15653         sprintf(shortcut, " ('%c', '0', '-')", key);
15654       else
15655         sprintf(shortcut, " ('%s%c')",
15656                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
15657
15658       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
15659         strcat(infotext, shortcut);
15660     }
15661   }
15662
15663   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
15664 }
15665
15666 void HandleEditorGadgetInfoText(void *ptr)
15667 {
15668   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
15669
15670   if (game_status != GAME_MODE_EDITOR)
15671     return;
15672
15673   ClearEditorGadgetInfoText();
15674
15675   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
15676     return;
15677
15678   // misuse this function to delete brush cursor, if needed
15679   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
15680     DeleteBrushFromCursor();
15681
15682   PrintEditorGadgetInfoText(gi);
15683 }
15684
15685 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
15686 {
15687   int id = gi->custom_id;
15688   int type_id = gi->custom_type_id;
15689   int sx = gi->event.x;
15690   int sy = gi->event.y;
15691   int lx = sx + level_xpos;
15692   int ly = sy + level_ypos;
15693   int min_sx = 0, min_sy = 0;
15694   int max_sx = gi->drawing.area_xsize - 1;
15695   int max_sy = gi->drawing.area_ysize - 1;
15696   int actual_drawing_function = drawing_function;
15697   int max_infotext_len = getMaxInfoTextLength();
15698   char infotext[MAX_OUTPUT_LINESIZE + 1];
15699
15700   infotext[0] = '\0';           // start with empty info text
15701
15702   // pressed Control key: simulate picking element
15703   if (GetKeyModState() & KMOD_Control)
15704     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15705
15706   ClearEditorGadgetInfoText();
15707
15708   if (gi->event.type == GD_EVENT_INFO_LEAVING)
15709     return;
15710
15711   // make sure to stay inside drawing area boundaries
15712   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15713   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15714
15715   if (id == GADGET_ID_DRAWING_LEVEL)
15716   {
15717     if (button_status)
15718     {
15719       int min_lx = 0, min_ly = 0;
15720       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15721
15722       // get positions inside level field
15723       lx = sx + level_xpos;
15724       ly = sy + level_ypos;
15725
15726       // make sure to stay inside level field boundaries
15727       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15728       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15729
15730       // correct drawing area positions accordingly
15731       sx = lx - level_xpos;
15732       sy = ly - level_ypos;
15733     }
15734
15735     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
15736     {
15737       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
15738       {
15739         static int start_lx = 0;
15740         static int start_ly = 0;
15741         char *text;
15742
15743         if (gi->event.type == GD_EVENT_PRESSED)
15744         {
15745           start_lx = lx;
15746           start_ly = ly;
15747         }
15748
15749         switch (actual_drawing_function)
15750         {
15751           case GADGET_ID_SINGLE_ITEMS:
15752             text = "Drawing single items";
15753             break;
15754           case GADGET_ID_CONNECTED_ITEMS:
15755             text = "Drawing connected items";
15756             break;
15757           case GADGET_ID_LINE:
15758             text = "Drawing line";
15759             break;
15760           case GADGET_ID_ARC:
15761             text = "Drawing arc";
15762             break;
15763           case GADGET_ID_TEXT:
15764             text = "Setting text cursor";
15765             break;
15766           case GADGET_ID_RECTANGLE:
15767             text = "Drawing rectangle";
15768             break;
15769           case GADGET_ID_FILLED_BOX:
15770             text = "Drawing filled box";
15771             break;
15772           case GADGET_ID_FLOOD_FILL:
15773             text = "Flood fill";
15774             break;
15775           case GADGET_ID_GRAB_BRUSH:
15776             text = "Grabbing brush";
15777             break;
15778           case GADGET_ID_PICK_ELEMENT:
15779             text = "Picking element";
15780             break;
15781
15782           default:
15783             text = "Drawing position";
15784             break;
15785         }
15786
15787         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15788           sprintf(infotext, "%s: %d, %d", text, lx, ly);
15789         else
15790           sprintf(infotext, "%s: %d, %d", text,
15791                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
15792       }
15793       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15794         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
15795       else
15796         sprintf(infotext, "Level position: %d, %d", lx, ly);
15797     }
15798
15799     // misuse this function to draw brush cursor, if needed
15800     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
15801     {
15802       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
15803         CopyBrushToCursor(sx, sy);
15804       else
15805         DeleteBrushFromCursor();
15806     }
15807
15808     if (!draw_with_brush)
15809       UpdateBrushPosition(sx, sy);
15810   }
15811   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15812   {
15813     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15814     int element = drawingarea_info[type_id].value[pos];
15815
15816     strncpy(infotext, getElementInfoText(element), max_infotext_len);
15817   }
15818   else
15819   {
15820     if (id == GADGET_ID_CUSTOM_CONTENT)
15821       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
15822     else if (id == GADGET_ID_GROUP_CONTENT)
15823       sprintf(infotext, "group element position: %d", sx + 1);
15824     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
15825              id <= GADGET_ID_YAMYAM_CONTENT_7)
15826       sprintf(infotext, "content area %d position: %d, %d",
15827               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
15828     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
15829              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
15830       sprintf(infotext, "content area %d position: %d, %d",
15831               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
15832     else if (id == GADGET_ID_ANDROID_CONTENT)
15833       sprintf(infotext, "android element position: %d", sx + 1);
15834     else if (drawingarea_info[type_id].infotext != NULL)
15835       strcpy(infotext, drawingarea_info[type_id].infotext);
15836   }
15837
15838   infotext[max_infotext_len] = '\0';
15839
15840   if (strlen(infotext) > 0)
15841     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
15842 }
15843
15844 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
15845                             boolean quick_quit)
15846 {
15847   if (!ask_if_level_has_changed ||
15848       !LevelChanged() ||
15849       Request("Level has changed! Exit without saving?",
15850               REQ_ASK | REQ_STAY_OPEN))
15851   {
15852     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
15853     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
15854
15855     // draw normal door
15856     UndrawSpecialEditorDoor();
15857
15858     // use door animation if door 1 viewport is unchanged and contains toolbox
15859     if (useEditorDoorAnimation())
15860       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
15861
15862     // close editor doors if viewport definition is the same as in main menu
15863     if (vp_door_1->x      == DX     &&
15864         vp_door_1->y      == DY     &&
15865         vp_door_1->width  == DXSIZE &&
15866         vp_door_1->height == DYSIZE &&
15867         vp_door_2->x      == VX     &&
15868         vp_door_2->y      == VY     &&
15869         vp_door_2->width  == VXSIZE &&
15870         vp_door_2->height == VYSIZE)
15871       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
15872     else
15873       SetDoorState(DOOR_CLOSE_ALL);
15874
15875     BackToFront();
15876
15877     if (quick_quit)
15878       FadeSkipNextFadeIn();
15879
15880     SetGameStatus(GAME_MODE_MAIN);
15881
15882     DrawMainMenu();
15883   }
15884   else
15885   {
15886     if (!global.use_envelope_request)
15887     {
15888       CloseDoor(DOOR_CLOSE_1);
15889       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
15890     }
15891   }
15892 }