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