src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 // ----------------------------------------------------------------------------
  29 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_COLS             MAX(1, editor.palette.cols)
  69 #define ED_ELEMENTLIST_ROWS             MAX(1, editor.palette.rows)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (ED_ELEMENTLIST_COLS)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (ED_ELEMENTLIST_ROWS)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 // standard distances
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 // values for drawingarea gadgets
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 // values for checkbutton gadgets
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 // values for element content drawing areas
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 // element content
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 // yamyam content
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 // magic ball content
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 // values for scrolling gadgets for drawing area
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 // values for scrolling gadgets for element list
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_X              (editor.settings.tooltip.x)
 350 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 351 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 352 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 353 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 354                                       SYSIZE - INFOTEXT_YSIZE)
 355
 356
 357 // ----------------------------------------------------------------------------
 358 // editor gadget definitions
 359 // ----------------------------------------------------------------------------
 360
 361 enum
 362 {
 363   GADGET_ID_NONE = -1,
 364
 365   // drawing toolbox buttons
 366
 367   GADGET_ID_SINGLE_ITEMS,
 368   GADGET_ID_CONNECTED_ITEMS,
 369   GADGET_ID_LINE,
 370   GADGET_ID_ARC,
 371   GADGET_ID_RECTANGLE,
 372   GADGET_ID_FILLED_BOX,
 373   GADGET_ID_WRAP_UP,
 374   GADGET_ID_TEXT,
 375   GADGET_ID_FLOOD_FILL,
 376   GADGET_ID_WRAP_LEFT,
 377   GADGET_ID_ZOOM,
 378   GADGET_ID_WRAP_RIGHT,
 379   GADGET_ID_RANDOM_PLACEMENT,
 380   GADGET_ID_GRAB_BRUSH,
 381   GADGET_ID_WRAP_DOWN,
 382   GADGET_ID_PICK_ELEMENT,
 383
 384   GADGET_ID_UNDO,
 385   GADGET_ID_CONF,
 386   GADGET_ID_SAVE,
 387   GADGET_ID_CLEAR,
 388   GADGET_ID_TEST,
 389   GADGET_ID_EXIT,
 390
 391   GADGET_ID_CUSTOM_COPY_FROM,
 392   GADGET_ID_CUSTOM_COPY_TO,
 393   GADGET_ID_CUSTOM_EXCHANGE,
 394   GADGET_ID_CUSTOM_COPY,
 395   GADGET_ID_CUSTOM_PASTE,
 396
 397   GADGET_ID_PROPERTIES,
 398   GADGET_ID_ELEMENT_LEFT,
 399   GADGET_ID_ELEMENT_MIDDLE,
 400   GADGET_ID_ELEMENT_RIGHT,
 401   GADGET_ID_PALETTE,
 402
 403   // counter gadget identifiers
 404
 405   GADGET_ID_SELECT_LEVEL_DOWN,
 406   GADGET_ID_SELECT_LEVEL_TEXT,
 407   GADGET_ID_SELECT_LEVEL_UP,
 408   GADGET_ID_LEVEL_XSIZE_DOWN,
 409   GADGET_ID_LEVEL_XSIZE_TEXT,
 410   GADGET_ID_LEVEL_XSIZE_UP,
 411   GADGET_ID_LEVEL_YSIZE_DOWN,
 412   GADGET_ID_LEVEL_YSIZE_TEXT,
 413   GADGET_ID_LEVEL_YSIZE_UP,
 414   GADGET_ID_LEVEL_RANDOM_DOWN,
 415   GADGET_ID_LEVEL_RANDOM_TEXT,
 416   GADGET_ID_LEVEL_RANDOM_UP,
 417   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 418   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 419   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 420   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 421   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 422   GADGET_ID_LEVEL_TIMELIMIT_UP,
 423   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 424   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 425   GADGET_ID_LEVEL_TIMESCORE_UP,
 426   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 427   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 428   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 429   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 430   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 431   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 432   GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,
 433   GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,
 434   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
 435   GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,
 436   GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,
 437   GADGET_ID_BD_CYCLE_DELAY_C64_UP,
 438   GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,
 439   GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,
 440   GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
 441   GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,
 442   GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,
 443   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
 444   GADGET_ID_BD_PUSHING_PROB_DOWN,
 445   GADGET_ID_BD_PUSHING_PROB_TEXT,
 446   GADGET_ID_BD_PUSHING_PROB_UP,
 447   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,
 448   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,
 449   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
 450   GADGET_ID_ELEMENT_VALUE1_DOWN,
 451   GADGET_ID_ELEMENT_VALUE1_TEXT,
 452   GADGET_ID_ELEMENT_VALUE1_UP,
 453   GADGET_ID_ELEMENT_VALUE2_DOWN,
 454   GADGET_ID_ELEMENT_VALUE2_TEXT,
 455   GADGET_ID_ELEMENT_VALUE2_UP,
 456   GADGET_ID_ELEMENT_VALUE3_DOWN,
 457   GADGET_ID_ELEMENT_VALUE3_TEXT,
 458   GADGET_ID_ELEMENT_VALUE3_UP,
 459   GADGET_ID_ELEMENT_VALUE4_DOWN,
 460   GADGET_ID_ELEMENT_VALUE4_TEXT,
 461   GADGET_ID_ELEMENT_VALUE4_UP,
 462   GADGET_ID_YAMYAM_CONTENT_DOWN,
 463   GADGET_ID_YAMYAM_CONTENT_TEXT,
 464   GADGET_ID_YAMYAM_CONTENT_UP,
 465   GADGET_ID_BALL_CONTENT_DOWN,
 466   GADGET_ID_BALL_CONTENT_TEXT,
 467   GADGET_ID_BALL_CONTENT_UP,
 468   GADGET_ID_ANDROID_CONTENT_DOWN,
 469   GADGET_ID_ANDROID_CONTENT_TEXT,
 470   GADGET_ID_ANDROID_CONTENT_UP,
 471   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 472   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 473   GADGET_ID_ENVELOPE_XSIZE_UP,
 474   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 475   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 476   GADGET_ID_ENVELOPE_YSIZE_UP,
 477   GADGET_ID_INVENTORY_SIZE_DOWN,
 478   GADGET_ID_INVENTORY_SIZE_TEXT,
 479   GADGET_ID_INVENTORY_SIZE_UP,
 480   GADGET_ID_MM_BALL_CONTENT_DOWN,
 481   GADGET_ID_MM_BALL_CONTENT_TEXT,
 482   GADGET_ID_MM_BALL_CONTENT_UP,
 483   GADGET_ID_CUSTOM_SCORE_DOWN,
 484   GADGET_ID_CUSTOM_SCORE_TEXT,
 485   GADGET_ID_CUSTOM_SCORE_UP,
 486   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 487   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 488   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 489   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 490   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 491   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 492   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 493   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 494   GADGET_ID_CUSTOM_VALUE_RND_UP,
 495   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 496   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 497   GADGET_ID_PUSH_DELAY_FIX_UP,
 498   GADGET_ID_PUSH_DELAY_RND_DOWN,
 499   GADGET_ID_PUSH_DELAY_RND_TEXT,
 500   GADGET_ID_PUSH_DELAY_RND_UP,
 501   GADGET_ID_DROP_DELAY_FIX_DOWN,
 502   GADGET_ID_DROP_DELAY_FIX_TEXT,
 503   GADGET_ID_DROP_DELAY_FIX_UP,
 504   GADGET_ID_DROP_DELAY_RND_DOWN,
 505   GADGET_ID_DROP_DELAY_RND_TEXT,
 506   GADGET_ID_DROP_DELAY_RND_UP,
 507   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 508   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 509   GADGET_ID_MOVE_DELAY_FIX_UP,
 510   GADGET_ID_MOVE_DELAY_RND_DOWN,
 511   GADGET_ID_MOVE_DELAY_RND_TEXT,
 512   GADGET_ID_MOVE_DELAY_RND_UP,
 513   GADGET_ID_STEP_DELAY_FIX_DOWN,
 514   GADGET_ID_STEP_DELAY_FIX_TEXT,
 515   GADGET_ID_STEP_DELAY_FIX_UP,
 516   GADGET_ID_STEP_DELAY_RND_DOWN,
 517   GADGET_ID_STEP_DELAY_RND_TEXT,
 518   GADGET_ID_STEP_DELAY_RND_UP,
 519   GADGET_ID_EXPLOSION_DELAY_DOWN,
 520   GADGET_ID_EXPLOSION_DELAY_TEXT,
 521   GADGET_ID_EXPLOSION_DELAY_UP,
 522   GADGET_ID_IGNITION_DELAY_DOWN,
 523   GADGET_ID_IGNITION_DELAY_TEXT,
 524   GADGET_ID_IGNITION_DELAY_UP,
 525   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 526   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 527   GADGET_ID_CHANGE_DELAY_FIX_UP,
 528   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 529   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 530   GADGET_ID_CHANGE_DELAY_RND_UP,
 531   GADGET_ID_CHANGE_CONT_RND_DOWN,
 532   GADGET_ID_CHANGE_CONT_RND_TEXT,
 533   GADGET_ID_CHANGE_CONT_RND_UP,
 534   GADGET_ID_GROUP_CONTENT_DOWN,
 535   GADGET_ID_GROUP_CONTENT_TEXT,
 536   GADGET_ID_GROUP_CONTENT_UP,
 537
 538   // drawing area identifiers
 539
 540   GADGET_ID_DRAWING_LEVEL,
 541   GADGET_ID_YAMYAM_CONTENT_0,
 542   GADGET_ID_YAMYAM_CONTENT_1,
 543   GADGET_ID_YAMYAM_CONTENT_2,
 544   GADGET_ID_YAMYAM_CONTENT_3,
 545   GADGET_ID_YAMYAM_CONTENT_4,
 546   GADGET_ID_YAMYAM_CONTENT_5,
 547   GADGET_ID_YAMYAM_CONTENT_6,
 548   GADGET_ID_YAMYAM_CONTENT_7,
 549   GADGET_ID_MAGIC_BALL_CONTENT_0,
 550   GADGET_ID_MAGIC_BALL_CONTENT_1,
 551   GADGET_ID_MAGIC_BALL_CONTENT_2,
 552   GADGET_ID_MAGIC_BALL_CONTENT_3,
 553   GADGET_ID_MAGIC_BALL_CONTENT_4,
 554   GADGET_ID_MAGIC_BALL_CONTENT_5,
 555   GADGET_ID_MAGIC_BALL_CONTENT_6,
 556   GADGET_ID_MAGIC_BALL_CONTENT_7,
 557   GADGET_ID_ANDROID_CONTENT,
 558   GADGET_ID_AMOEBA_CONTENT,
 559   GADGET_ID_BD_SNAP_ELEMENT,
 560   GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,
 561   GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,
 562   GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
 563   GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
 564   GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
 565   GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
 566   GADGET_ID_BD_ACID_EATS_ELEMENT,
 567   GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,
 568   GADGET_ID_BD_BITER_EATS_ELEMENT,
 569   GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
 570   GADGET_ID_START_ELEMENT,
 571   GADGET_ID_ARTWORK_ELEMENT,
 572   GADGET_ID_EXPLOSION_ELEMENT,
 573   GADGET_ID_INVENTORY_CONTENT,
 574   GADGET_ID_MM_BALL_CONTENT,
 575   GADGET_ID_CUSTOM_GRAPHIC,
 576   GADGET_ID_CUSTOM_CONTENT,
 577   GADGET_ID_CUSTOM_MOVE_ENTER,
 578   GADGET_ID_CUSTOM_MOVE_LEAVE,
 579   GADGET_ID_CUSTOM_CHANGE_TARGET,
 580   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 581   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 582   GADGET_ID_CUSTOM_CHANGE_ACTION,
 583   GADGET_ID_GROUP_CONTENT,
 584   GADGET_ID_RANDOM_BACKGROUND,
 585
 586   // text input identifiers
 587
 588   GADGET_ID_LEVEL_NAME,
 589   GADGET_ID_LEVEL_AUTHOR,
 590   GADGET_ID_LEVELSET_NAME,
 591   GADGET_ID_LEVELSET_AUTHOR,
 592   GADGET_ID_ELEMENT_NAME,
 593
 594   // text area identifiers
 595
 596   GADGET_ID_ENVELOPE_INFO,
 597
 598   // selectbox identifiers
 599
 600   GADGET_ID_TIME_OR_STEPS,
 601   GADGET_ID_TIME_SCORE_BASE,
 602   GADGET_ID_GAME_ENGINE_TYPE,
 603   GADGET_ID_BD_SCHEDULING_TYPE,
 604   GADGET_ID_LEVELSET_SAVE_MODE,
 605   GADGET_ID_WIND_DIRECTION,
 606   GADGET_ID_PLAYER_SPEED,
 607   GADGET_ID_MM_BALL_CHOICE_MODE,
 608   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 609   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 610   GADGET_ID_CUSTOM_DEADLINESS,
 611   GADGET_ID_CUSTOM_MOVE_PATTERN,
 612   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 613   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 614   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 615   GADGET_ID_CUSTOM_SMASH_TARGETS,
 616   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 617   GADGET_ID_CUSTOM_ACCESS_TYPE,
 618   GADGET_ID_CUSTOM_ACCESS_LAYER,
 619   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 620   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 621   GADGET_ID_CHANGE_TIME_UNITS,
 622   GADGET_ID_CHANGE_DIRECT_ACTION,
 623   GADGET_ID_CHANGE_OTHER_ACTION,
 624   GADGET_ID_CHANGE_SIDE,
 625   GADGET_ID_CHANGE_PLAYER,
 626   GADGET_ID_CHANGE_PAGE,
 627   GADGET_ID_CHANGE_REPLACE_WHEN,
 628   GADGET_ID_ACTION_TYPE,
 629   GADGET_ID_ACTION_MODE,
 630   GADGET_ID_ACTION_ARG,
 631   GADGET_ID_SELECT_CHANGE_PAGE,
 632   GADGET_ID_GROUP_CHOICE_MODE,
 633
 634   // textbutton identifiers
 635
 636   GADGET_ID_LEVELCONFIG_LEVEL,
 637   GADGET_ID_LEVELCONFIG_LEVELSET,
 638   GADGET_ID_LEVELCONFIG_EDITOR,
 639   GADGET_ID_LEVELCONFIG_ENGINE,
 640   GADGET_ID_PROPERTIES_INFO,
 641   GADGET_ID_PROPERTIES_CONFIG,
 642   GADGET_ID_PROPERTIES_CONFIG_1,
 643   GADGET_ID_PROPERTIES_CONFIG_2,
 644   GADGET_ID_PROPERTIES_CHANGE,
 645   GADGET_ID_SAVE_AS_TEMPLATE_1,
 646   GADGET_ID_SAVE_AS_TEMPLATE_2,
 647   GADGET_ID_SAVE_LEVELSET,
 648   GADGET_ID_ADD_CHANGE_PAGE,
 649   GADGET_ID_DEL_CHANGE_PAGE,
 650
 651   // graphicbutton identifiers
 652
 653   GADGET_ID_PREV_CHANGE_PAGE,
 654   GADGET_ID_NEXT_CHANGE_PAGE,
 655   GADGET_ID_COPY_CHANGE_PAGE,
 656   GADGET_ID_PASTE_CHANGE_PAGE,
 657
 658   // gadgets for scrolling of drawing area
 659
 660   GADGET_ID_SCROLL_UP,
 661   GADGET_ID_SCROLL_DOWN,
 662   GADGET_ID_SCROLL_LEFT,
 663   GADGET_ID_SCROLL_RIGHT,
 664   GADGET_ID_SCROLL_HORIZONTAL,
 665   GADGET_ID_SCROLL_VERTICAL,
 666
 667   // gadgets for scrolling element list
 668
 669   GADGET_ID_SCROLL_LIST_UP,
 670   GADGET_ID_SCROLL_LIST_DOWN,
 671   GADGET_ID_SCROLL_LIST_VERTICAL,
 672
 673   // checkbuttons/radiobuttons for level/element properties
 674
 675   GADGET_ID_AUTO_COUNT_GEMS,
 676   GADGET_ID_RATE_TIME_OVER_SCORE,
 677   GADGET_ID_USE_LEVELSET_ARTWORK,
 678   GADGET_ID_COPY_LEVEL_TEMPLATE,
 679   GADGET_ID_RANDOM_PERCENTAGE,
 680   GADGET_ID_RANDOM_QUANTITY,
 681   GADGET_ID_RANDOM_RESTRICTED,
 682   GADGET_ID_BD_INTERMISSION,
 683   GADGET_ID_BD_PAL_TIMING,
 684   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 685   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 686   GADGET_ID_BD_SHORT_EXPLOSIONS,
 687   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 688   GADGET_ID_STICK_ELEMENT,
 689   GADGET_ID_EM_SLIPPERY_GEMS,
 690   GADGET_ID_EM_EXPLODES_BY_FIRE,
 691   GADGET_ID_USE_SPRING_BUG,
 692   GADGET_ID_USE_TIME_ORB_BUG,
 693   GADGET_ID_USE_LIFE_BUGS,
 694   GADGET_ID_RANDOM_BALL_CONTENT,
 695   GADGET_ID_INITIAL_BALL_ACTIVE,
 696   GADGET_ID_GROW_INTO_DIGGABLE,
 697   GADGET_ID_SB_FIELDS_NEEDED,
 698   GADGET_ID_SB_OBJECTS_NEEDED,
 699   GADGET_ID_AUTO_EXIT_SOKOBAN,
 700   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 701   GADGET_ID_FINISH_DIG_COLLECT,
 702   GADGET_ID_KEEP_WALKABLE_CE,
 703   GADGET_ID_CONTINUOUS_SNAPPING,
 704   GADGET_ID_BLOCK_SNAP_FIELD,
 705   GADGET_ID_BLOCK_LAST_FIELD,
 706   GADGET_ID_SP_BLOCK_LAST_FIELD,
 707   GADGET_ID_INSTANT_RELOCATION,
 708   GADGET_ID_SHIFTED_RELOCATION,
 709   GADGET_ID_LAZY_RELOCATION,
 710   GADGET_ID_USE_START_ELEMENT,
 711   GADGET_ID_USE_ARTWORK_ELEMENT,
 712   GADGET_ID_USE_EXPLOSION_ELEMENT,
 713   GADGET_ID_INITIAL_GRAVITY,
 714   GADGET_ID_USE_INITIAL_INVENTORY,
 715   GADGET_ID_CAN_PASS_TO_WALKABLE,
 716   GADGET_ID_CAN_FALL_INTO_ACID,
 717   GADGET_ID_CAN_MOVE_INTO_ACID,
 718   GADGET_ID_DONT_COLLIDE_WITH,
 719   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 720   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 721   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 722   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 723   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 724   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 725   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 726   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 727   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 728   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 729   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 730   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 731   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 732   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 733   GADGET_ID_BD_REPLICATORS_ACTIVE,
 734   GADGET_ID_ENVELOPE_AUTOWRAP,
 735   GADGET_ID_ENVELOPE_CENTERED,
 736   GADGET_ID_MM_LASER_RED,
 737   GADGET_ID_MM_LASER_GREEN,
 738   GADGET_ID_MM_LASER_BLUE,
 739   GADGET_ID_DF_LASER_RED,
 740   GADGET_ID_DF_LASER_GREEN,
 741   GADGET_ID_DF_LASER_BLUE,
 742   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 743   GADGET_ID_EXPLODE_MM_BALL,
 744   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 745   GADGET_ID_CUSTOM_CAN_EXPLODE,
 746   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 747   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 748   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 749   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 750   GADGET_ID_CUSTOM_DEADLY,
 751   GADGET_ID_CUSTOM_CAN_MOVE,
 752   GADGET_ID_CUSTOM_CAN_FALL,
 753   GADGET_ID_CUSTOM_CAN_SMASH,
 754   GADGET_ID_CUSTOM_SLIPPERY,
 755   GADGET_ID_CUSTOM_ACCESSIBLE,
 756   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 757   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 758   GADGET_ID_CUSTOM_USE_GRAPHIC,
 759   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 760   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 761   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 762   GADGET_ID_CUSTOM_CAN_CHANGE,
 763   GADGET_ID_CHANGE_USE_CONTENT,
 764   GADGET_ID_CHANGE_USE_EXPLOSION,
 765   GADGET_ID_CHANGE_ONLY_COMPLETE,
 766   GADGET_ID_CHANGE_USE_RANDOM,
 767   GADGET_ID_CHANGE_HAS_ACTION,
 768   GADGET_ID_CHANGE_DELAY,
 769   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 770   GADGET_ID_CHANGE_BY_OTHER_ACT,
 771
 772   NUM_STATIC_GADGET_IDS
 773 };
 774
 775 // gadgets for buttons in element list (dynamic)
 776 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 777 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 778                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 779
 780 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 781
 782 // radio button numbers
 783 enum
 784 {
 785   RADIO_NR_NONE,
 786   RADIO_NR_DRAWING_TOOLBOX,
 787   RADIO_NR_RANDOM_ELEMENTS
 788 };
 789
 790 // values for counter gadgets
 791 enum
 792 {
 793   ED_COUNTER_ID_SELECT_LEVEL,
 794   ED_COUNTER_ID_LEVEL_XSIZE,
 795   ED_COUNTER_ID_LEVEL_YSIZE,
 796   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 797   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 798   ED_COUNTER_ID_LEVEL_TIMESCORE,
 799   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 800   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 801   ED_COUNTER_ID_LEVEL_RANDOM,
 802   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 803   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 804   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 805   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 806   ED_COUNTER_ID_BD_PUSHING_PROB,
 807   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 808   ED_COUNTER_ID_ELEMENT_VALUE1,
 809   ED_COUNTER_ID_ELEMENT_VALUE2,
 810   ED_COUNTER_ID_ELEMENT_VALUE3,
 811   ED_COUNTER_ID_ELEMENT_VALUE4,
 812   ED_COUNTER_ID_YAMYAM_CONTENT,
 813   ED_COUNTER_ID_BALL_CONTENT,
 814   ED_COUNTER_ID_ANDROID_CONTENT,
 815   ED_COUNTER_ID_ENVELOPE_XSIZE,
 816   ED_COUNTER_ID_ENVELOPE_YSIZE,
 817   ED_COUNTER_ID_INVENTORY_SIZE,
 818   ED_COUNTER_ID_MM_BALL_CONTENT,
 819   ED_COUNTER_ID_CUSTOM_SCORE,
 820   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 821   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 822   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 823   ED_COUNTER_ID_PUSH_DELAY_FIX,
 824   ED_COUNTER_ID_PUSH_DELAY_RND,
 825   ED_COUNTER_ID_DROP_DELAY_FIX,
 826   ED_COUNTER_ID_DROP_DELAY_RND,
 827   ED_COUNTER_ID_MOVE_DELAY_FIX,
 828   ED_COUNTER_ID_MOVE_DELAY_RND,
 829   ED_COUNTER_ID_STEP_DELAY_FIX,
 830   ED_COUNTER_ID_STEP_DELAY_RND,
 831   ED_COUNTER_ID_EXPLOSION_DELAY,
 832   ED_COUNTER_ID_IGNITION_DELAY,
 833   ED_COUNTER_ID_GROUP_CONTENT,
 834   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 835   ED_COUNTER_ID_CHANGE_DELAY_RND,
 836   ED_COUNTER_ID_CHANGE_CONT_RND,
 837
 838   ED_NUM_COUNTERBUTTONS
 839 };
 840
 841 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 842 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 843 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 844 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 845 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 846 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 847
 848 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 849 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 850 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 851 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 852 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 853 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 854
 855 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 856 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 857
 858 // values for scrollbutton gadgets
 859 enum
 860 {
 861   ED_SCROLLBUTTON_ID_AREA_UP,
 862   ED_SCROLLBUTTON_ID_AREA_DOWN,
 863   ED_SCROLLBUTTON_ID_AREA_LEFT,
 864   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 865   ED_SCROLLBUTTON_ID_LIST_UP,
 866   ED_SCROLLBUTTON_ID_LIST_DOWN,
 867
 868   ED_NUM_SCROLLBUTTONS
 869 };
 870
 871 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 872 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 873
 874 // values for scrollbar gadgets
 875 enum
 876 {
 877   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 878   ED_SCROLLBAR_ID_AREA_VERTICAL,
 879   ED_SCROLLBAR_ID_LIST_VERTICAL,
 880
 881   ED_NUM_SCROLLBARS
 882 };
 883
 884 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 885 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 886
 887 // values for text input gadgets
 888 enum
 889 {
 890   ED_TEXTINPUT_ID_LEVEL_NAME,
 891   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 892   ED_TEXTINPUT_ID_LEVELSET_NAME,
 893   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 894   ED_TEXTINPUT_ID_ELEMENT_NAME,
 895
 896   ED_NUM_TEXTINPUT
 897 };
 898
 899 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 900 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 901
 902 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 903 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 904
 905 // values for text area gadgets
 906 enum
 907 {
 908   ED_TEXTAREA_ID_ENVELOPE_INFO,
 909
 910   ED_NUM_TEXTAREAS
 911 };
 912
 913 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 914 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 915
 916 // values for selectbox gadgets
 917 enum
 918 {
 919   ED_SELECTBOX_ID_TIME_OR_STEPS,
 920   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 921   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 922   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 923   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 924   ED_SELECTBOX_ID_WIND_DIRECTION,
 925   ED_SELECTBOX_ID_PLAYER_SPEED,
 926   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 927   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 928   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 929   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 930   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 931   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 932   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 933   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 934   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 935   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 936   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 937   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 938   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 939   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 940   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 941   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 942   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 943   ED_SELECTBOX_ID_CHANGE_SIDE,
 944   ED_SELECTBOX_ID_CHANGE_PLAYER,
 945   ED_SELECTBOX_ID_CHANGE_PAGE,
 946   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 947   ED_SELECTBOX_ID_ACTION_TYPE,
 948   ED_SELECTBOX_ID_ACTION_MODE,
 949   ED_SELECTBOX_ID_ACTION_ARG,
 950   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 951   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 952
 953   ED_NUM_SELECTBOX
 954 };
 955
 956 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 957 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 958
 959 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 960 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 961
 962 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 963 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 964
 965 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 966 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 967 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 968 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 969 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 970 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 971
 972 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 973 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 974
 975 // values for textbutton gadgets
 976 enum
 977 {
 978   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
 979   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
 980   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
 981   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
 982   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 983   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 984   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 985   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 986   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 987   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 988   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 989   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 990   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 991   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 992
 993   ED_NUM_TEXTBUTTONS
 994 };
 995
 996 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
 997 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
 998
 999 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
1000 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1001
1002 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1003 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1004
1005 // values for graphicbutton gadgets
1006 enum
1007 {
1008   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1009   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1010   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1011   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1012
1013   ED_NUM_GRAPHICBUTTONS
1014 };
1015
1016 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1017 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1018
1019 // values for checkbutton gadgets
1020 enum
1021 {
1022   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1023   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1024   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1025   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1026   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1027   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1028   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1029   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1030   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1031   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1032   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1033   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1034   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1035   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1036   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1037   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1038   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1039   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1040   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1041   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1042   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1043   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1044   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1045   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1046   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1047   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1048   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1049   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1050   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1051   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1052   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1053   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1054   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1055   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1056   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1057   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1058   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1059   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1060   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1061   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1062   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1063   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1064   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1065   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1066   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1067   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1068   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1069   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1070   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1071   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1072   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1073   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1074   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1075   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1076   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1077   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1078   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1079   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1080   ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
1081   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1082   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1083   ED_CHECKBUTTON_ID_MM_LASER_RED,
1084   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1085   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1086   ED_CHECKBUTTON_ID_DF_LASER_RED,
1087   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1088   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1089   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1090   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1091   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1092   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1093   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1094   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1095   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1096   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1097   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1098   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1099   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1100   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1101   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1102   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1103   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1104   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1105   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1106   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1107   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1108   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1109   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1110   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1111   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1112   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1113   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1114   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1115   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1116
1117   ED_NUM_CHECKBUTTONS
1118 };
1119
1120 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1121 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1122
1123 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1124 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1125
1126 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1127 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1128
1129 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1130 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL
1131
1132 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1133 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1134 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1135 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1136 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1137 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1138
1139 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1140 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1141
1142 // values for radiobutton gadgets
1143 enum
1144 {
1145   ED_RADIOBUTTON_ID_PERCENTAGE,
1146   ED_RADIOBUTTON_ID_QUANTITY,
1147
1148   ED_NUM_RADIOBUTTONS
1149 };
1150
1151 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1152 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1153
1154 // values for drawing area gadgets
1155 enum
1156 {
1157   ED_DRAWING_ID_DRAWING_LEVEL,
1158   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1159   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1160   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1161   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1162   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1163   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1164   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1165   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1166   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1167   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1168   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1169   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1170   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1171   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1172   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1173   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1174   ED_DRAWING_ID_ANDROID_CONTENT,
1175   ED_DRAWING_ID_AMOEBA_CONTENT,
1176   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1177   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1178   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1179   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1180   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1181   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1182   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1183   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1184   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1185   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1186   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1187   ED_DRAWING_ID_START_ELEMENT,
1188   ED_DRAWING_ID_ARTWORK_ELEMENT,
1189   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1190   ED_DRAWING_ID_INVENTORY_CONTENT,
1191   ED_DRAWING_ID_MM_BALL_CONTENT,
1192   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1193   ED_DRAWING_ID_CUSTOM_CONTENT,
1194   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1195   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1196   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1197   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1198   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1199   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1200   ED_DRAWING_ID_GROUP_CONTENT,
1201   ED_DRAWING_ID_RANDOM_BACKGROUND,
1202
1203   ED_NUM_DRAWING_AREAS
1204 };
1205
1206 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1207 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1208
1209
1210 // ----------------------------------------------------------------------------
1211 // some internally used definitions
1212 // ----------------------------------------------------------------------------
1213
1214 // values for CopyLevelToUndoBuffer()
1215 #define UNDO_IMMEDIATE                  0
1216 #define UNDO_ACCUMULATE                 1
1217
1218 // values for scrollbars
1219 #define ED_SCROLL_NO                    0
1220 #define ED_SCROLL_LEFT                  1
1221 #define ED_SCROLL_RIGHT                 2
1222 #define ED_SCROLL_UP                    4
1223 #define ED_SCROLL_DOWN                  8
1224
1225 // screens in the level editor
1226 #define ED_MODE_DRAWING                 0
1227 #define ED_MODE_LEVELCONFIG             1
1228 #define ED_MODE_PROPERTIES              2
1229 #define ED_MODE_PALETTE                 3
1230
1231 // sub-screens in the global settings section
1232 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1233 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1234 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1235 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1236
1237 // sub-screens in the element properties section
1238 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1239 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1240 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1241 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1242 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1243
1244 // how many steps can be cancelled
1245 #define NUM_UNDO_STEPS                  (64 + 1)
1246
1247 // values for elements with score for certain actions
1248 #define MIN_SCORE                       0
1249 #define MAX_SCORE                       999
1250
1251 // values for elements with count for collecting
1252 #define MIN_COLLECT_COUNT               0
1253 #define MAX_COLLECT_COUNT               999
1254
1255 // values for random placement
1256 #define RANDOM_USE_PERCENTAGE           0
1257 #define RANDOM_USE_QUANTITY             1
1258
1259 // values for level set save mode
1260 #define LEVELSET_SAVE_MODE_UPDATE       0
1261 #define LEVELSET_SAVE_MODE_CREATE       1
1262
1263 // default value for element tile size in drawing area
1264 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1265 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1266
1267
1268 // ----------------------------------------------------------------------------
1269 // some internally used data structure definitions
1270 // ----------------------------------------------------------------------------
1271
1272 static struct
1273 {
1274   int graphic;
1275   int gadget_id;
1276   struct XYTileSize *pos;
1277   int gadget_type;
1278   char *infotext;
1279   char shortcut;
1280 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1281 {
1282   // note: some additional characters are already reserved for "cheat mode"
1283   // shortcuts (":XYZ" style) -- for details, see "events.c"
1284
1285   // ---------- toolbox control buttons ---------------------------------------
1286
1287   {
1288     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1289     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1290     "Draw single items",                        's'
1291   },
1292   {
1293     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1294     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1295     "Draw connected items",                     'd'
1296   },
1297   {
1298     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1299     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1300     "Draw lines",                               'l'
1301   },
1302   {
1303     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1304     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1305     "Draw arcs",                                'a'
1306   },
1307   {
1308     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1309     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1310     "Draw outline rectangles",                  'r'
1311   },
1312   {
1313     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1314     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1315     "Draw filled rectangles",                   'R'
1316   },
1317   {
1318     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1319     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1320     "Wrap (rotate) level up",                   0
1321   },
1322   {
1323     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1324     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1325     "Enter text elements",                      't'
1326   },
1327   {
1328     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1329     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1330     "Flood fill",                               'f'
1331   },
1332   {
1333     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1334     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1335     "Wrap (rotate) level left",                 0
1336   },
1337   {
1338     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1339     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1340     "Zoom level tile size",                     '+'
1341   },
1342   {
1343     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1344     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1345     "Wrap (rotate) level right",                0
1346   },
1347   {
1348     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1349     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1350     "Random element placement",                 0
1351   },
1352   {
1353     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1354     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1355     "Grab brush",                               'b'
1356   },
1357   {
1358     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1359     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1360     "Wrap (rotate) level down",                 0
1361   },
1362   {
1363     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1364     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1365     "Pick drawing element",                     ','
1366   },
1367
1368   // ---------- level control buttons -----------------------------------------
1369
1370   {
1371     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1372     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1373     "Undo/redo last operation",                 'u'
1374   },
1375   {
1376     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1377     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1378     "Level and editor settings",                'I'
1379   },
1380   {
1381     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1382     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1383     "Save level",                               'S'
1384   },
1385   {
1386     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1387     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1388     "Clear level",                              'C'
1389   },
1390   {
1391     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1392     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1393     "Test level",                               'T'
1394   },
1395   {
1396     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1397     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1398     "Exit level editor",                        'E'
1399   },
1400
1401   // ---------- CE and GE control buttons -------------------------------------
1402
1403   {
1404     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1405     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1406     "Copy settings from other element",         0
1407   },
1408   {
1409     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1410     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1411     "Copy settings to other element",           0
1412   },
1413   {
1414     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1415     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1416     "Exchange element with other element",      0
1417   },
1418   {
1419     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1420     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1421     "Copy settings from this element",          0
1422   },
1423   {
1424     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1425     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1426     "Paste settings to this element",           0
1427   },
1428
1429   // ---------- palette control buttons ---------------------------------------
1430
1431   {
1432     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1433     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1434     "Properties of drawing element",            'p'
1435   },
1436   {
1437     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1438     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1439     "Properties of drawing element 1",          '1'
1440   },
1441   {
1442     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1443     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1444     "Properties of drawing element 2",          '2'
1445   },
1446   {
1447     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1448     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1449     "Properties of drawing element 3",          '3'
1450   },
1451   {
1452     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1453     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1454     "Show list of elements",                    'e'
1455   }
1456 };
1457
1458 static int random_placement_value = 10;
1459 static int random_placement_method = RANDOM_USE_QUANTITY;
1460 static int random_placement_background_element = EL_SAND;
1461 static boolean random_placement_background_restricted = FALSE;
1462 static boolean stick_element_properties_window = FALSE;
1463 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1464 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1465 static struct ElementChangeInfo custom_element_change;
1466 static struct ElementGroupInfo group_element_info;
1467 static struct ElementInfo custom_element;
1468
1469 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1470 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1471 static int levelset_num_levels = 100;
1472 static boolean levelset_use_levelset_artwork = FALSE;
1473 static boolean levelset_copy_level_template = FALSE;
1474 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1475
1476 static struct
1477 {
1478   int gadget_type_id;
1479   int x, y;
1480   int min_value, max_value;
1481   int gadget_id_down, gadget_id_up;
1482   int gadget_id_text;
1483   int gadget_id_align;
1484   int *value;
1485   char *text_above, *text_left, *text_right;
1486 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1487 {
1488   // ---------- current level number ------------------------------------------
1489
1490   {
1491     ED_COUNTER_ID_SELECT_LEVEL,
1492     -1, -1,     // these values are not constant, but can change at runtime
1493     1,                                  100,
1494     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1495     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1496     &level_nr,
1497     NULL,                               NULL, NULL
1498   },
1499
1500   // ---------- level and editor settings -------------------------------------
1501
1502   {
1503     ED_COUNTER_ID_LEVEL_XSIZE,
1504     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1505     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1506     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1507     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1508     &level.fieldx,
1509     "Playfield size:",                  NULL, "Width",
1510   },
1511   {
1512     ED_COUNTER_ID_LEVEL_YSIZE,
1513     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1514     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1515     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1516     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1517     &level.fieldy,
1518     NULL,                               " ", "Height",
1519   },
1520   {
1521     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1522     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1523     0,                                  999,
1524     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1525     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1526     &level.gems_needed,
1527     NULL,                               "Number of gems to collect:", NULL
1528   },
1529   {
1530     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1531     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1532     0,                                  9999,
1533     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1534     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1535     &level.time,
1536     "Time or step limit to solve level:", NULL, NULL
1537   },
1538   {
1539     ED_COUNTER_ID_LEVEL_TIMESCORE,
1540     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1541     0,                                  999,
1542     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1543     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1544     &level.score[SC_TIME_BONUS],
1545     "Score for time or steps left:",    NULL, NULL
1546   },
1547   {
1548     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1549     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1550     0,                                  9999,
1551     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1552     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1553     &level.random_seed,
1554     NULL,                               "Random seed:", "(0 => random)"
1555   },
1556   {
1557     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1558     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1559     1,                                  MAX_LEVELS,
1560     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1561     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1562     &levelset_num_levels,
1563     "Number of levels:",                NULL, NULL,
1564   },
1565   {
1566     ED_COUNTER_ID_LEVEL_RANDOM,
1567     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1568     1,                                  100,
1569     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1570     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1571     &random_placement_value,
1572     "Random element placement:",        NULL, "in"
1573   },
1574   {
1575     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1576     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1577     50,                                 500,
1578     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1579     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,   GADGET_ID_NONE,
1580     &level.bd_cycle_delay_ms,
1581     NULL,                               NULL, "Game cycle delay (ms)"
1582   },
1583   {
1584     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1585     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1586     0,                                  32,
1587     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,  GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1588     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,  GADGET_ID_NONE,
1589     &level.bd_cycle_delay_c64,
1590     NULL,                               NULL, "Game cycle delay (C64-style)"
1591   },
1592   {
1593     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1594     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1595     1,                                  40,
1596     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1597     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1598     &level.bd_hatching_delay_cycles,
1599     NULL,                               NULL, "Hatching delay (cycles)"
1600   },
1601   {
1602     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1603     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1604     1,                                  40,
1605     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1606     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1607     &level.bd_hatching_delay_seconds,
1608     NULL,                               NULL, "Hatching delay (seconds)"
1609   },
1610
1611   // ---------- element settings: configure (various elements) ----------------
1612
1613   {
1614     ED_COUNTER_ID_BD_PUSHING_PROB,
1615     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1616     0,                                  100,
1617     GADGET_ID_BD_PUSHING_PROB_DOWN,     GADGET_ID_BD_PUSHING_PROB_UP,
1618     GADGET_ID_BD_PUSHING_PROB_TEXT,     GADGET_ID_NONE,
1619     &level.bd_pushing_prob,
1620     NULL,                               NULL, "Push probability"
1621   },
1622   {
1623     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1624     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1625     0,                                  100,
1626     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1627     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1628     &level.bd_pushing_prob_with_sweet,
1629     NULL,                               NULL, "Push probability with sweet"
1630   },
1631   {
1632     ED_COUNTER_ID_ELEMENT_VALUE1,
1633     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1634     MIN_SCORE,                          MAX_SCORE,
1635     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1636     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1637     NULL,                               // will be set when used
1638     NULL,                               NULL, NULL
1639   },
1640   {
1641     ED_COUNTER_ID_ELEMENT_VALUE2,
1642     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1643     MIN_SCORE,                          MAX_SCORE,
1644     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1645     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1646     NULL,                               // will be set when used
1647     NULL,                               NULL, NULL
1648   },
1649   {
1650     ED_COUNTER_ID_ELEMENT_VALUE3,
1651     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1652     MIN_SCORE,                          MAX_SCORE,
1653     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1654     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1655     NULL,                               // will be set when used
1656     NULL,                               NULL, NULL
1657   },
1658   {
1659     ED_COUNTER_ID_ELEMENT_VALUE4,
1660     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1661     MIN_SCORE,                          MAX_SCORE,
1662     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1663     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1664     NULL,                               // will be set when used
1665     NULL,                               NULL, NULL
1666   },
1667   {
1668     ED_COUNTER_ID_YAMYAM_CONTENT,
1669     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1670     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1671     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1672     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1673     &level.num_yamyam_contents,
1674     NULL,                               NULL, "Number of content areas"
1675   },
1676   {
1677     ED_COUNTER_ID_BALL_CONTENT,
1678     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1679     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1680     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1681     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1682     &level.num_ball_contents,
1683     NULL,                               NULL, "Number of content areas"
1684   },
1685   {
1686     ED_COUNTER_ID_ANDROID_CONTENT,
1687     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1688     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1689     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1690     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1691     &level.num_android_clone_elements,
1692     NULL,                               NULL, "Number of clonable elements"
1693   },
1694   {
1695     ED_COUNTER_ID_ENVELOPE_XSIZE,
1696     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1697     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1698     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1699     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1700     NULL,                               // will be set when used
1701     NULL,                               NULL, "Width",
1702   },
1703   {
1704     ED_COUNTER_ID_ENVELOPE_YSIZE,
1705     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1706     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1707     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1708     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1709     NULL,                               // will be set when used
1710     NULL,                               " ", "Height",
1711   },
1712   {
1713     ED_COUNTER_ID_INVENTORY_SIZE,
1714     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1715     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1716     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1717     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1718     &level.initial_inventory_size[0],
1719     NULL,                               NULL, "Number of inventory elements"
1720   },
1721   {
1722     ED_COUNTER_ID_MM_BALL_CONTENT,
1723     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1724     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1725     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1726     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1727     &level.num_mm_ball_contents,
1728     NULL,                               NULL, "Number of content elements"
1729   },
1730
1731   // ---------- element settings: configure 1 (custom elements) ---------------
1732
1733   {
1734     ED_COUNTER_ID_CUSTOM_SCORE,
1735     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1736     MIN_SCORE,                          MAX_SCORE,
1737     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1738     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1739     &custom_element.collect_score_initial,
1740     NULL,                               "CE score", " "
1741   },
1742   {
1743     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1744     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1745     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1746     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1747     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1748     &custom_element.collect_count_initial,
1749     NULL,                               "CE count", NULL
1750   },
1751   {
1752     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1753     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1754     0,                                  9999,
1755     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1756     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1757     &custom_element.ce_value_fixed_initial,
1758     NULL,                               "CE value", NULL
1759   },
1760   {
1761     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1762     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1763     0,                                  9999,
1764     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1765     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1766     &custom_element.ce_value_random_initial,
1767     NULL,                               "+random", NULL
1768   },
1769   {
1770     ED_COUNTER_ID_PUSH_DELAY_FIX,
1771     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1772     0,                                  999,
1773     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1774     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1775     &custom_element.push_delay_fixed,
1776     NULL,                               "Push delay", NULL
1777   },
1778   {
1779     ED_COUNTER_ID_PUSH_DELAY_RND,
1780     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1781     0,                                  999,
1782     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1783     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1784     &custom_element.push_delay_random,
1785     NULL,                               "+random", NULL
1786   },
1787   {
1788     ED_COUNTER_ID_DROP_DELAY_FIX,
1789     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1790     0,                                  999,
1791     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1792     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1793     &custom_element.drop_delay_fixed,
1794     NULL,                               "Drop delay", NULL
1795   },
1796   {
1797     ED_COUNTER_ID_DROP_DELAY_RND,
1798     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1799     0,                                  999,
1800     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1801     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1802     &custom_element.drop_delay_random,
1803     NULL,                               "+random", NULL
1804   },
1805
1806   // ---------- element settings: configure 2 (custom elements) ---------------
1807
1808   {
1809     ED_COUNTER_ID_MOVE_DELAY_FIX,
1810     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1811     0,                                  999,
1812     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1813     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1814     &custom_element.move_delay_fixed,
1815     NULL,                               "Move delay", NULL
1816   },
1817   {
1818     ED_COUNTER_ID_MOVE_DELAY_RND,
1819     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1820     0,                                  999,
1821     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1822     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1823     &custom_element.move_delay_random,
1824     NULL,                               "+random", NULL
1825   },
1826   {
1827     ED_COUNTER_ID_STEP_DELAY_FIX,
1828     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1829     0,                                  999,
1830     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1831     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1832     &custom_element.step_delay_fixed,
1833     NULL,                               "Step delay", NULL
1834   },
1835   {
1836     ED_COUNTER_ID_STEP_DELAY_RND,
1837     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1838     0,                                  999,
1839     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1840     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1841     &custom_element.step_delay_random,
1842     NULL,                               "+random", NULL
1843   },
1844   {
1845     ED_COUNTER_ID_EXPLOSION_DELAY,
1846     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1847     0,                                  999,
1848     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1849     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1850     &custom_element.explosion_delay,
1851     NULL,                               "Explosion delay", NULL
1852   },
1853   {
1854     ED_COUNTER_ID_IGNITION_DELAY,
1855     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1856     0,                                  999,
1857     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1858     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1859     &custom_element.ignition_delay,
1860     NULL,                               "Ignition delay", "(by fire)"
1861   },
1862
1863   // ---------- element settings: configure (group elements) ------------------
1864
1865   {
1866     ED_COUNTER_ID_GROUP_CONTENT,
1867     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1868     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1869     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1870     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1871     &group_element_info.num_elements,
1872     NULL,                               NULL, "Number of elements in group"
1873   },
1874
1875   // ---------- element settings: advanced (custom elements) ------------------
1876
1877   {
1878     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1879     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1880     0,                                  999,
1881     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1882     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1883     &custom_element_change.delay_fixed,
1884     NULL,                               "CE delay", NULL,
1885   },
1886   {
1887     ED_COUNTER_ID_CHANGE_DELAY_RND,
1888     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1889     0,                                  999,
1890     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1891     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1892     &custom_element_change.delay_random,
1893     NULL,                               "+random", NULL
1894   },
1895   {
1896     ED_COUNTER_ID_CHANGE_CONT_RND,
1897     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1898     0,                                  100,
1899     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1900     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1901     &custom_element_change.random_percentage,
1902     NULL,                               "Use random replace:", "%"
1903   },
1904 };
1905
1906 static struct
1907 {
1908   int gadget_type_id;
1909   int x, y;
1910   int gadget_id;
1911   int size;
1912   char *value;
1913   char *text_above, *infotext;
1914 } textinput_info[ED_NUM_TEXTINPUT] =
1915 {
1916   {
1917     ED_TEXTINPUT_ID_LEVEL_NAME,
1918     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1919     GADGET_ID_LEVEL_NAME,
1920     MAX_LEVEL_NAME_LEN,
1921     level.name,
1922     "Title:", "Title for this level"
1923   },
1924   {
1925     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1926     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1927     GADGET_ID_LEVEL_AUTHOR,
1928     MAX_LEVEL_AUTHOR_LEN,
1929     level.author,
1930     "Author:", "Author for this level"
1931   },
1932   {
1933     ED_TEXTINPUT_ID_LEVELSET_NAME,
1934     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1935     GADGET_ID_LEVELSET_NAME,
1936     MAX_LEVEL_NAME_LEN,
1937     levelset_name,
1938     "Title:", "Title for this or new level set"
1939   },
1940   {
1941     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1942     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1943     GADGET_ID_LEVELSET_AUTHOR,
1944     MAX_LEVEL_AUTHOR_LEN,
1945     levelset_author,
1946     "Author:", "Author for this or new level set"
1947   },
1948   {
1949     ED_TEXTINPUT_ID_ELEMENT_NAME,
1950     -1, -1,     // these values are not constant, but can change at runtime
1951     GADGET_ID_ELEMENT_NAME,
1952     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1953     custom_element.description,
1954     NULL, "Element name"
1955   }
1956 };
1957
1958 static struct
1959 {
1960   int gadget_type_id;
1961   int x, y;
1962   int gadget_id;
1963   int xsize, ysize;
1964   char *value;
1965   char *text_above, *text_above_cropped, *infotext;
1966 } textarea_info[ED_NUM_TEXTAREAS] =
1967 {
1968   {
1969     ED_TEXTAREA_ID_ENVELOPE_INFO,
1970     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1971     GADGET_ID_ENVELOPE_INFO,
1972     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1973     NULL,
1974     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
1975   }
1976 };
1977
1978 static struct ValueTextInfo options_time_or_steps[] =
1979 {
1980   { 0,                          "seconds"                       },
1981   { 1,                          "steps"                         },
1982
1983   { -1,                         NULL                            }
1984 };
1985
1986 static struct ValueTextInfo options_time_score_base[] =
1987 {
1988   { 1,                          "per second/step"               },
1989   { 10,                         "per 10 seconds/steps"          },
1990
1991   { -1,                         NULL                            }
1992 };
1993
1994 static struct ValueTextInfo options_game_engine_type[] =
1995 {
1996   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1997   { GAME_ENGINE_TYPE_BD,        "Boulder Dash"                  },
1998   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1999   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
2000   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
2001
2002   { -1,                         NULL                            }
2003 };
2004
2005 static struct ValueTextInfo options_levelset_save_mode[] =
2006 {
2007   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
2008   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
2009
2010   { -1,                         NULL                            }
2011 };
2012
2013 static struct ValueTextInfo options_wind_direction[] =
2014 {
2015   { MV_START_NONE,              "none"                          },
2016   { MV_START_LEFT,              "left"                          },
2017   { MV_START_RIGHT,             "right"                         },
2018   { MV_START_UP,                "up"                            },
2019   { MV_START_DOWN,              "down"                          },
2020
2021   { -1,                         NULL                            }
2022 };
2023
2024 static struct ValueTextInfo options_player_speed[] =
2025 {
2026   { 0,                          "frozen"                        },
2027   { 1,                          "very slow"                     },
2028   { 2,                          "slow"                          },
2029   { 4,                          "normal"                        },
2030   { 8,                          "fast"                          },
2031   { 16,                         "very fast"                     },
2032   { 32,                         "ultrafast"                     },
2033
2034   { -1,                         NULL                            }
2035 };
2036
2037 static struct ValueTextInfo options_access_type[] =
2038 {
2039   { EP_WALKABLE,                "walkable"                      },
2040   { EP_PASSABLE,                "passable"                      },
2041
2042   { -1,                         NULL                            }
2043 };
2044
2045 static struct ValueTextInfo options_access_layer[] =
2046 {
2047   { EP_ACCESSIBLE_OVER,         "over"                          },
2048   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
2049   { EP_ACCESSIBLE_UNDER,        "under"                         },
2050
2051   { -1,                         NULL                            }
2052 };
2053
2054 static struct ValueTextInfo options_access_protected[] =
2055 {
2056   { 0,                          "unprotected"                   },
2057   { 1,                          "protected"                     },
2058
2059   { -1,                         NULL                            }
2060 };
2061
2062 static struct ValueTextInfo options_access_direction[] =
2063 {
2064   { MV_NO_DIRECTION,            "no direction"                  },
2065   { MV_LEFT,                    "left"                          },
2066   { MV_RIGHT,                   "right"                         },
2067   { MV_UP,                      "up"                            },
2068   { MV_DOWN,                    "down"                          },
2069   { MV_LEFT  | MV_UP,           "left + up"                     },
2070   { MV_LEFT  | MV_DOWN,         "left + down"                   },
2071   { MV_RIGHT | MV_UP,           "right + up"                    },
2072   { MV_RIGHT | MV_DOWN,         "right + down"                  },
2073   { MV_HORIZONTAL,              "horizontal"                    },
2074   { MV_VERTICAL,                "vertical"                      },
2075   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
2076   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
2077   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
2078   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
2079   { MV_ALL_DIRECTIONS,          "all directions"                },
2080
2081   { -1,                         NULL                            }
2082 };
2083
2084 static struct ValueTextInfo options_walk_to_action[] =
2085 {
2086   { EP_DIGGABLE,                "diggable"                      },
2087   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
2088   { EP_DROPPABLE,               "collectible & droppable"       },
2089   { EP_THROWABLE,               "collectible & throwable"       },
2090   { EP_PUSHABLE,                "pushable"                      },
2091
2092   { -1,                         NULL                            }
2093 };
2094
2095 static struct ValueTextInfo options_move_pattern[] =
2096 {
2097   { MV_LEFT,                    "left"                          },
2098   { MV_RIGHT,                   "right"                         },
2099   { MV_UP,                      "up"                            },
2100   { MV_DOWN,                    "down"                          },
2101   { MV_HORIZONTAL,              "horizontal"                    },
2102   { MV_VERTICAL,                "vertical"                      },
2103   { MV_ALL_DIRECTIONS,          "all directions"                },
2104   { MV_WIND_DIRECTION,          "wind direction"                },
2105   { MV_TOWARDS_PLAYER,          "towards player"                },
2106   { MV_AWAY_FROM_PLAYER,        "away from player"              },
2107   { MV_ALONG_LEFT_SIDE,         "along left side"               },
2108   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
2109   { MV_TURNING_LEFT,            "turning left"                  },
2110   { MV_TURNING_RIGHT,           "turning right"                 },
2111   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
2112   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
2113   { MV_TURNING_RANDOM,          "turning random"                },
2114   { MV_MAZE_RUNNER,             "maze runner style"             },
2115   { MV_MAZE_HUNTER,             "maze hunter style"             },
2116   { MV_WHEN_PUSHED,             "when pushed"                   },
2117   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
2118
2119   { -1,                         NULL                            }
2120 };
2121
2122 static struct ValueTextInfo options_move_direction[] =
2123 {
2124   { MV_START_AUTOMATIC,         "automatic"                     },
2125   { MV_START_LEFT,              "left"                          },
2126   { MV_START_RIGHT,             "right"                         },
2127   { MV_START_UP,                "up"                            },
2128   { MV_START_DOWN,              "down"                          },
2129   { MV_START_RANDOM,            "random"                        },
2130   { MV_START_PREVIOUS,          "previous"                      },
2131
2132   { -1,                         NULL                            }
2133 };
2134
2135 static struct ValueTextInfo options_move_stepsize[] =
2136 {
2137   { 0,                          "not moving"                    },
2138   { 1,                          "very slow"                     },
2139   { 2,                          "slow"                          },
2140   { 4,                          "normal"                        },
2141   { 8,                          "fast"                          },
2142   { 16,                         "very fast"                     },
2143   { 32,                         "even faster"                   },
2144
2145   { -1,                         NULL                            }
2146 };
2147
2148 static struct ValueTextInfo options_move_leave_type[] =
2149 {
2150   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
2151   { LEAVE_TYPE_LIMITED,         "change it to"                  },
2152
2153   { -1,                         NULL                            }
2154 };
2155
2156 static struct ValueTextInfo options_smash_targets[] =
2157 {
2158   { EP_CAN_SMASH_PLAYER,        "player"                        },
2159 #if 0
2160   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
2161 #endif
2162   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
2163
2164   { -1,                         NULL                            }
2165 };
2166
2167 static struct ValueTextInfo options_slippery_type[] =
2168 {
2169   { SLIPPERY_ANY_RANDOM,        "random"                        },
2170   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
2171   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
2172   { SLIPPERY_ONLY_LEFT,         "only left"                     },
2173   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
2174
2175   { -1,                         NULL                            }
2176 };
2177
2178 static struct ValueTextInfo options_deadliness[] =
2179 {
2180   { EP_DONT_RUN_INTO,           "running into"                  },
2181   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
2182   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
2183   { EP_DONT_TOUCH,              "touching"                      },
2184
2185   { -1,                         NULL                            }
2186 };
2187
2188 static struct ValueTextInfo options_explosion_type[] =
2189 {
2190   { EXPLODES_3X3,               "3x3"                           },
2191   { EXPLODES_CROSS,             "3+3"                           },
2192   { EXPLODES_1X1,               "1x1"                           },
2193
2194   { -1,                         NULL                            }
2195 };
2196
2197 static struct ValueTextInfo options_time_units[] =
2198 {
2199   { 1,                          "frames"                        },
2200   { FRAMES_PER_SECOND,          "seconds"                       },
2201
2202   { -1,                         NULL                            }
2203 };
2204
2205 static struct ValueTextInfo options_change_direct_action[] =
2206 {
2207   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2208   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2209   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2210   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2211   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2212   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2213   { CE_LEFT_BY_PLAYER,          "left by player"                },
2214   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2215   { CE_SWITCHED,                "switched"                      },
2216   { CE_HITTING_SOMETHING,       "hitting something"             },
2217   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2218 #if 0
2219   { CE_BLOCKED,                 "blocked"                       },
2220 #endif
2221   { CE_IMPACT,                  "impact (on something)"         },
2222   { CE_SMASHED,                 "smashed (from above)"          },
2223 #if 0
2224   { CE_VALUE_CHANGES,           "CE value changes"              },
2225   { CE_SCORE_CHANGES,           "CE score changes"              },
2226 #endif
2227   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2228   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2229   { CE_UNDEFINED,               " "                             },
2230   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2231   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2232   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2233   { CE_UNDEFINED,               " "                             },
2234   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2235   { CE_NEXT_TO_PLAYER,          "next to player"                },
2236
2237   { -1,                         NULL                            }
2238 };
2239
2240 static struct ValueTextInfo options_change_other_action[] =
2241 {
2242   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2243   { CE_PLAYER_PRESSES_X,        "player presses"                },
2244   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2245   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2246   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2247   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2248   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2249   { CE_PLAYER_DIGS_X,           "player digs"                   },
2250   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2251   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2252   { CE_TOUCHING_X,              "touching"                      },
2253   { CE_HITTING_X,               "hitting"                       },
2254   { CE_DIGGING_X,               "digging"                       },
2255   { CE_HIT_BY_X,                "hit by"                        },
2256   { CE_SWITCH_OF_X,             "switch of"                     },
2257   { CE_CHANGE_OF_X,             "change by page of"             },
2258   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2259   { CE_MOVE_OF_X,               "move of"                       },
2260   { CE_CREATION_OF_X,           "creation of"                   },
2261   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2262   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2263   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2264   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2265   { CE_UNDEFINED,               " "                             },
2266   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2267   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2268   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2269   { CE_UNDEFINED,               " "                             },
2270   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2271   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2272   { CE_NEXT_TO_X,               "next to"                       },
2273
2274   { -1,                         NULL                            }
2275 };
2276
2277 static struct ValueTextInfo options_change_trigger_side[] =
2278 {
2279   { CH_SIDE_LEFT,               "left"                          },
2280   { CH_SIDE_RIGHT,              "right"                         },
2281   { CH_SIDE_TOP,                "top"                           },
2282   { CH_SIDE_BOTTOM,             "bottom"                        },
2283   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2284   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2285   { CH_SIDE_ANY,                "any"                           },
2286
2287   { -1,                         NULL                            }
2288 };
2289
2290 static struct ValueTextInfo options_change_trigger_player[] =
2291 {
2292   { CH_PLAYER_1,                "1"                             },
2293   { CH_PLAYER_2,                "2"                             },
2294   { CH_PLAYER_3,                "3"                             },
2295   { CH_PLAYER_4,                "4"                             },
2296   { CH_PLAYER_ANY,              "any"                           },
2297
2298   { -1,                         NULL                            }
2299 };
2300
2301 static struct ValueTextInfo options_change_trigger_page[] =
2302 {
2303   { (1u << 0),                  "1"                             },
2304   { (1u << 1),                  "2"                             },
2305   { (1u << 2),                  "3"                             },
2306   { (1u << 3),                  "4"                             },
2307   { (1u << 4),                  "5"                             },
2308   { (1u << 5),                  "6"                             },
2309   { (1u << 6),                  "7"                             },
2310   { (1u << 7),                  "8"                             },
2311   { (1u << 8),                  "9"                             },
2312   { (1u << 9),                  "10"                            },
2313   { (1u << 10),                 "11"                            },
2314   { (1u << 11),                 "12"                            },
2315   { (1u << 12),                 "13"                            },
2316   { (1u << 13),                 "14"                            },
2317   { (1u << 14),                 "15"                            },
2318   { (1u << 15),                 "16"                            },
2319   { (1u << 16),                 "17"                            },
2320   { (1u << 17),                 "18"                            },
2321   { (1u << 18),                 "19"                            },
2322   { (1u << 19),                 "20"                            },
2323   { (1u << 20),                 "21"                            },
2324   { (1u << 21),                 "22"                            },
2325   { (1u << 22),                 "23"                            },
2326   { (1u << 23),                 "24"                            },
2327   { (1u << 24),                 "25"                            },
2328   { (1u << 25),                 "26"                            },
2329   { (1u << 26),                 "27"                            },
2330   { (1u << 27),                 "28"                            },
2331   { (1u << 28),                 "29"                            },
2332   { (1u << 29),                 "30"                            },
2333   { (1u << 30),                 "31"                            },
2334   { (1u << 31),                 "32"                            },
2335   { CH_PAGE_ANY,                "any"                           },
2336
2337   { -1,                         NULL                            }
2338 };
2339
2340 static struct ValueTextInfo options_change_replace_when[] =
2341 {
2342   { CP_WHEN_EMPTY,              "empty"                         },
2343   { CP_WHEN_WALKABLE,           "walkable"                      },
2344   { CP_WHEN_DIGGABLE,           "diggable"                      },
2345   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2346   { CP_WHEN_REMOVABLE,          "removable"                     },
2347   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2348
2349   { -1,                         NULL                            }
2350 };
2351
2352 static struct ValueTextInfo options_action_type[] =
2353 {
2354   { CA_NO_ACTION,               "no action"                     },
2355   { CA_UNDEFINED,               " "                             },
2356   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2357   { CA_RESTART_LEVEL,           "restart level"                 },
2358   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2359   { CA_SET_LEVEL_TIME,          "set time"                      },
2360   { CA_SET_LEVEL_SCORE,         "set score"                     },
2361   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2362   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2363   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2364   { CA_UNDEFINED,               " "                             },
2365   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2366   { CA_MOVE_PLAYER,             "move player"                   },
2367   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2368   { CA_EXIT_PLAYER,             "exit player"                   },
2369   { CA_KILL_PLAYER,             "kill player"                   },
2370   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2371   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2372   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2373   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2374   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2375   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2376   { CA_UNDEFINED,               " "                             },
2377   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2378   { CA_SET_CE_VALUE,            "set CE value"                  },
2379   { CA_SET_CE_SCORE,            "set CE score"                  },
2380   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2381   { CA_UNDEFINED,               " "                             },
2382   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2383   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2384
2385   { -1,                         NULL                            }
2386 };
2387
2388 static struct ValueTextInfo options_action_mode_none[] =
2389 {
2390   { CA_MODE_UNDEFINED,          " "                             },
2391
2392   { -1,                         NULL                            }
2393 };
2394
2395 static struct ValueTextInfo options_action_mode_assign[] =
2396 {
2397   { CA_MODE_SET,                "="                             },
2398
2399   { -1,                         NULL                            }
2400 };
2401
2402 static struct ValueTextInfo options_action_mode_add_remove[] =
2403 {
2404   { CA_MODE_ADD,                "+"                             },
2405   { CA_MODE_SUBTRACT,           "-"                             },
2406
2407   { -1,                         NULL                            }
2408 };
2409
2410 static struct ValueTextInfo options_action_mode_calculate[] =
2411 {
2412   { CA_MODE_SET,                "="                             },
2413   { CA_MODE_ADD,                "+"                             },
2414   { CA_MODE_SUBTRACT,           "-"                             },
2415   { CA_MODE_MULTIPLY,           "*"                             },
2416   { CA_MODE_DIVIDE,             "/"                             },
2417   { CA_MODE_MODULO,             "%"                             },
2418
2419   { -1,                         NULL                            }
2420 };
2421
2422 static struct ValueTextInfo options_action_arg_none[] =
2423 {
2424   { CA_ARG_UNDEFINED,           "         "                     },
2425
2426   { -1,                         NULL                            }
2427 };
2428
2429 static struct ValueTextInfo options_action_arg_player[] =
2430 {
2431   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2432   { CA_ARG_PLAYER_1,            "1"                             },
2433   { CA_ARG_PLAYER_2,            "2"                             },
2434   { CA_ARG_PLAYER_3,            "3"                             },
2435   { CA_ARG_PLAYER_4,            "4"                             },
2436   { CA_ARG_PLAYER_ANY,          "any"                           },
2437   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2438   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2439
2440   { -1,                         NULL                            }
2441 };
2442
2443 static struct ValueTextInfo options_action_arg_number[] =
2444 {
2445   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2446   { CA_ARG_0,                   "0"                             },
2447   { CA_ARG_1,                   "1"                             },
2448   { CA_ARG_2,                   "2"                             },
2449   { CA_ARG_3,                   "3"                             },
2450   { CA_ARG_4,                   "4"                             },
2451   { CA_ARG_5,                   "5"                             },
2452   { CA_ARG_10,                  "10"                            },
2453   { CA_ARG_100,                 "100"                           },
2454   { CA_ARG_1000,                "1000"                          },
2455   { CA_ARG_UNDEFINED,           " "                             },
2456   { CA_ARG_NUMBER_MIN,          "min"                           },
2457   { CA_ARG_NUMBER_MAX,          "max"                           },
2458   { CA_ARG_UNDEFINED,           " "                             },
2459   { CA_ARG_NUMBER_RESET,        "reset"                         },
2460   { CA_ARG_UNDEFINED,           " "                             },
2461   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2462   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2463   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2464   { CA_ARG_UNDEFINED,           " "                             },
2465   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2466   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2467   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2468   { CA_ARG_UNDEFINED,           " "                             },
2469   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2470   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2471   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2472   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2473   { CA_ARG_UNDEFINED,           " "                             },
2474   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2475   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2476   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2477   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2478
2479   { -1,                         NULL                            }
2480 };
2481
2482 static struct ValueTextInfo options_action_arg_value[] =
2483 {
2484   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2485   { CA_ARG_0,                   "0"                             },
2486   { CA_ARG_1,                   "1"                             },
2487   { CA_ARG_2,                   "2"                             },
2488   { CA_ARG_3,                   "3"                             },
2489   { CA_ARG_4,                   "4"                             },
2490   { CA_ARG_5,                   "5"                             },
2491   { CA_ARG_10,                  "10"                            },
2492   { CA_ARG_100,                 "100"                           },
2493   { CA_ARG_1000,                "1000"                          },
2494   { CA_ARG_UNDEFINED,           " "                             },
2495   { CA_ARG_NUMBER_MIN,          "min"                           },
2496   { CA_ARG_NUMBER_MAX,          "max"                           },
2497   { CA_ARG_UNDEFINED,           " "                             },
2498   { CA_ARG_NUMBER_RESET,        "reset"                         },
2499   { CA_ARG_UNDEFINED,           " "                             },
2500   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2501   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2502   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2503   { CA_ARG_UNDEFINED,           " "                             },
2504   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2505   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2506   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2507   { CA_ARG_UNDEFINED,           " "                             },
2508   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2509   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2510   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2511   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2512   { CA_ARG_UNDEFINED,           " "                             },
2513   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2514   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2515   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2516   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2517   { CA_ARG_UNDEFINED,           " "                             },
2518   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2519   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2520   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2521   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2522
2523   { -1,                         NULL                            }
2524 };
2525
2526 static struct ValueTextInfo options_action_arg_envelope[] =
2527 {
2528   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2529   { CA_ARG_1,                   "1"                             },
2530   { CA_ARG_2,                   "2"                             },
2531   { CA_ARG_3,                   "3"                             },
2532   { CA_ARG_4,                   "4"                             },
2533   { CA_ARG_UNDEFINED,           " "                             },
2534   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2535   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2536   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2537   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2538
2539   { -1,                         NULL                            }
2540 };
2541
2542 static struct ValueTextInfo options_action_arg_key[] =
2543 {
2544   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2545   { CA_ARG_1,                   "1"                             },
2546   { CA_ARG_2,                   "2"                             },
2547   { CA_ARG_3,                   "3"                             },
2548   { CA_ARG_4,                   "4"                             },
2549   { CA_ARG_5,                   "5"                             },
2550   { CA_ARG_6,                   "6"                             },
2551   { CA_ARG_7,                   "7"                             },
2552   { CA_ARG_8,                   "8"                             },
2553   { CA_ARG_UNDEFINED,           " "                             },
2554   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2555   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2556   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2557   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2558
2559   { -1,                         NULL                            }
2560 };
2561
2562 static struct ValueTextInfo options_action_arg_speed[] =
2563 {
2564   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2565   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2566   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2567   { CA_ARG_SPEED_SLOW,          "slow"                          },
2568   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2569   { CA_ARG_SPEED_FAST,          "fast"                          },
2570   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2571   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2572   { CA_ARG_UNDEFINED,           " "                             },
2573   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2574   { CA_ARG_SPEED_FASTER,        "faster"                        },
2575   { CA_ARG_UNDEFINED,           " "                             },
2576   { CA_ARG_SPEED_RESET,         "reset"                         },
2577
2578   { -1,                         NULL                            }
2579 };
2580
2581 static struct ValueTextInfo options_action_arg_shield[] =
2582 {
2583   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2584   { CA_ARG_SHIELD_OFF,          "off"                           },
2585   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2586   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2587
2588   { -1,                         NULL                            }
2589 };
2590
2591 static struct ValueTextInfo options_action_arg_artwork[] =
2592 {
2593   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2594   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2595   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2596   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2597   { CA_ARG_UNDEFINED,           " "                             },
2598   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2599
2600   { -1,                         NULL                            }
2601 };
2602
2603 static struct ValueTextInfo options_action_arg_gravity[] =
2604 {
2605   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2606   { CA_ARG_GRAVITY_ON,          "on"                            },
2607   { CA_ARG_GRAVITY_OFF,         "off"                           },
2608   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2609
2610   { -1,                         NULL                            }
2611 };
2612
2613 static struct ValueTextInfo options_action_arg_direction[] =
2614 {
2615   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2616   { CA_ARG_DIRECTION_NONE,      "none"                          },
2617   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2618   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2619   { CA_ARG_DIRECTION_UP,        "up"                            },
2620   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2621   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2622   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2623
2624   { -1,                         NULL                            }
2625 };
2626
2627 static struct ValueTextInfo options_action_arg_scan_mode[] =
2628 {
2629   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2630   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2631   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2632
2633   { -1,                         NULL                            }
2634 };
2635
2636 static struct ValueTextInfo options_action_arg_inventory[] =
2637 {
2638   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2639   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2640   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2641   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2642   { CA_ARG_UNDEFINED,           " "                             },
2643   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2644   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2645   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2646   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2647   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2648   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2649   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2650   { CA_ARG_UNDEFINED,           " "                             },
2651   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2652
2653   { -1,                         NULL                            }
2654 };
2655
2656 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2657 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2658 {
2659   { -1,                         NULL                            }
2660 };
2661
2662 static struct ValueTextInfo options_group_choice_mode[] =
2663 {
2664   { ANIM_RANDOM,                "random"                        },
2665   { ANIM_LOOP,                  "loop"                          },
2666   { ANIM_LINEAR,                "linear"                        },
2667   { ANIM_PINGPONG,              "pingpong"                      },
2668   { ANIM_PINGPONG2,             "pingpong 2"                    },
2669   { ANIM_LEVEL_NR,              "level number"                  },
2670
2671   { -1,                         NULL                            }
2672 };
2673
2674 static struct ValueTextInfo options_bd_scheduling_type[] =
2675 {
2676   { GD_SCHEDULING_MILLISECONDS,   "Milliseconds"                },
2677   { GD_SCHEDULING_BD1,            "BD1"                         },
2678   { GD_SCHEDULING_BD2,            "BD2"                         },
2679   { GD_SCHEDULING_PLCK,           "Construction Kit"            },
2680   { GD_SCHEDULING_CRDR,           "Crazy Dream 7"               },
2681   { GD_SCHEDULING_BD1_ATARI,      "Atari BD1"                   },
2682   { GD_SCHEDULING_BD2_PLCK_ATARI, "Atari BD2 / PLCK"            },
2683
2684   { -1,                           NULL                          }
2685 };
2686
2687 static struct ValueTextInfo *action_arg_modes[] =
2688 {
2689   options_action_mode_none,
2690   options_action_mode_assign,
2691   options_action_mode_add_remove,
2692   options_action_mode_calculate,
2693 };
2694
2695 static struct
2696 {
2697   int value;
2698   int mode;
2699   struct ValueTextInfo *options;
2700 }
2701 action_arg_options[] =
2702 {
2703   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2704   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2705   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2706   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2707   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2708   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2709   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2710   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2711   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2712   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2713   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2714   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2715   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2716   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2717   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2718   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2719   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2720   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2721   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2722   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2723   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2724   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2725
2726   { -1,                         FALSE,  NULL                            }
2727 };
2728
2729 static struct
2730 {
2731   int gadget_type_id;
2732   int x, y;
2733   int gadget_id;
2734   int gadget_id_align;
2735   int size;     // char size of selectbox or '-1' (dynamically determined)
2736   struct ValueTextInfo *options;
2737   int *value;
2738   char *text_above, *text_left, *text_right, *infotext;
2739 } selectbox_info[ED_NUM_SELECTBOX] =
2740 {
2741   // ---------- level and editor settings -------------------------------------
2742
2743   {
2744     ED_SELECTBOX_ID_TIME_OR_STEPS,
2745     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2746     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2747     -1,
2748     options_time_or_steps,
2749     &level.use_step_counter,
2750     NULL, NULL, "(0 => no limit)",      "Select time or step limit"
2751   },
2752   {
2753     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2754     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2755     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2756     -1,
2757     options_time_score_base,
2758     &level.time_score_base,
2759     NULL, NULL, NULL,                   "Select time score for 1 or 10 seconds/steps"
2760   },
2761   {
2762     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2763     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2764     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2765     -1,
2766     options_game_engine_type,
2767     &level.game_engine_type,
2768     NULL, "Game engine:", NULL,         "Select game engine"
2769   },
2770   {
2771     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2772     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2773     GADGET_ID_BD_SCHEDULING_TYPE,       GADGET_ID_NONE,
2774     -1,
2775     options_bd_scheduling_type,
2776     &level.bd_scheduling_type,
2777     NULL, "Scheduling type:", NULL,     "Select level timing"
2778   },
2779   {
2780     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2781     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2782     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2783     -1,
2784     options_levelset_save_mode,
2785     &levelset_save_mode,
2786     "Action:", NULL, NULL,              "Select action when saving level set"
2787   },
2788
2789   // ---------- element settings: configure (several elements) ----------------
2790
2791   {
2792     ED_SELECTBOX_ID_WIND_DIRECTION,
2793     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2794     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2795     -1,
2796     options_wind_direction,
2797     &level.wind_direction_initial,
2798     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
2799   },
2800   {
2801     ED_SELECTBOX_ID_PLAYER_SPEED,
2802     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2803     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2804     -1,
2805     options_player_speed,
2806     &level.initial_player_stepsize[0],
2807     NULL, "Initial player speed:", NULL,        "Select initial player speed"
2808   },
2809   {
2810     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2811     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2812     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2813     -1,
2814     options_group_choice_mode,
2815     &level.mm_ball_choice_mode,
2816     NULL, "Choice type:", NULL,         "Select type of content choice"
2817   },
2818
2819   // ---------- element settings: configure 1 (custom elements) ---------------
2820
2821   {
2822     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2823     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2824     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2825     -1,
2826     options_access_type,
2827     &custom_element.access_type,
2828     NULL, NULL, NULL,                   "Select type of access to this field"
2829   },
2830   {
2831     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2832     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2833     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2834     -1,
2835     options_access_layer,
2836     &custom_element.access_layer,
2837     NULL, NULL, NULL,                   "Select layer of access for this field"
2838   },
2839   {
2840     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2841     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2842     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2843     -1,
2844     options_access_protected,
2845     &custom_element.access_protected,
2846     NULL, NULL, NULL,                   "Select protected access for this field"
2847   },
2848   {
2849     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2850     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2851     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2852     -1,
2853     options_access_direction,
2854     &custom_element.access_direction,
2855     NULL, "from", NULL,                 "Select access direction for this field"
2856   },
2857   {
2858     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2859     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2860     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2861     -1,
2862     options_walk_to_action,
2863     &custom_element.walk_to_action,
2864     NULL, NULL, NULL,                   "Select diggable/collectible/pushable"
2865   },
2866
2867   // ---------- element settings: configure 2 (custom elements) ---------------
2868
2869   {
2870     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2871     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2872     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2873     -1,
2874     options_move_pattern,
2875     &custom_element.move_pattern,
2876     NULL, "Can move", NULL,             "Select element move pattern"
2877   },
2878   {
2879     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2880     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2881     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2882     -1,
2883     options_move_direction,
2884     &custom_element.move_direction_initial,
2885     NULL, "Starts moving", NULL,        "Select initial element move direction"
2886   },
2887   {
2888     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2889     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2890     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2891     -1,
2892     options_move_stepsize,
2893     &custom_element.move_stepsize,
2894     NULL, "Move/fall speed", NULL,      "Select speed of element movement"
2895   },
2896   {
2897     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2898     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2899     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2900     -1,
2901     options_move_leave_type,
2902     &custom_element.move_leave_type,
2903     // left text with leading spaces to place gadget next to "can dig" gadget
2904     // (needed because drawing area gadgets created after selectbox gadgets)
2905     // NULL, "can dig:    can", ":",    "leave behind or change element"
2906     NULL, "            Can", ":",       "Select leave behind or change element"
2907   },
2908   {
2909     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2910     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2911     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2912     -1,
2913     options_smash_targets,
2914     &custom_element.smash_targets,
2915     NULL, "Can smash", NULL,            "Select elements that can be smashed"
2916   },
2917   {
2918     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2919     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2920     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2921     -1,
2922     options_slippery_type,
2923     &custom_element.slippery_type,
2924     NULL, "Slippery", NULL,             "Select where other elements fall down"
2925   },
2926   {
2927     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2928     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2929     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2930     -1,
2931     options_deadliness,
2932     &custom_element.deadliness,
2933     NULL, "Deadly when", NULL,          "Select deadliness of element"
2934   },
2935   {
2936     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
2937     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2938     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2939     -1,
2940     options_explosion_type,
2941     &custom_element.explosion_type,
2942     NULL, "Can explode", NULL,          "Select explosion type"
2943   },
2944
2945   // ---------- element settings: advanced (custom elements) ------------------
2946
2947   {
2948     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
2949     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2950     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2951     -1,
2952     options_time_units,
2953     &custom_element_change.delay_frames,
2954     NULL, "Delay time given in", NULL,  "Select delay time units for change"
2955   },
2956   {
2957     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
2958     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2959     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2960     -1,
2961     options_change_direct_action,
2962     &custom_element_change.direct_action,
2963     NULL, NULL, NULL,                   "Select type of direct action"
2964   },
2965   {
2966     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
2967     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2968     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2969     -1,
2970     options_change_other_action,
2971     &custom_element_change.other_action,
2972     NULL, NULL, "element:",             "Select type of other element action"
2973   },
2974   {
2975     ED_SELECTBOX_ID_CHANGE_SIDE,
2976     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2977     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2978     -1,
2979     options_change_trigger_side,
2980     &custom_element_change.trigger_side,
2981     NULL, "at", "side",                 "Select element side triggering change"
2982   },
2983   {
2984     ED_SELECTBOX_ID_CHANGE_PLAYER,
2985     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2986     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2987     -1,
2988     options_change_trigger_player,
2989     &custom_element_change.trigger_player,
2990     NULL, "Player:", " ",               "Select player that causes change"
2991   },
2992   {
2993     ED_SELECTBOX_ID_CHANGE_PAGE,
2994     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2995     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2996     -1,
2997     options_change_trigger_page,
2998     &custom_element_change.trigger_page,
2999     NULL, "Page:", NULL,                "Select change page that causes change"
3000   },
3001   {
3002     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3003     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
3004     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
3005     -1,
3006     options_change_replace_when,
3007     &custom_element_change.replace_when,
3008     NULL, "Replace when", NULL,         "Select which elements can be replaced"
3009   },
3010   {
3011     ED_SELECTBOX_ID_ACTION_TYPE,
3012     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
3013     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
3014     15,
3015     options_action_type,
3016     &custom_element_change.action_type,
3017     NULL, NULL, NULL,                   "Select action on specified condition"
3018   },
3019   {
3020     ED_SELECTBOX_ID_ACTION_MODE,
3021     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3022     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
3023     -1,
3024     options_action_mode_none,
3025     &custom_element_change.action_mode,
3026     NULL, NULL, NULL,                   "Select action operator"
3027   },
3028   {
3029     ED_SELECTBOX_ID_ACTION_ARG,
3030     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3031     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
3032     -1,
3033     options_action_arg_none,
3034     &custom_element_change.action_arg,
3035     NULL, NULL, NULL,                   "Select action parameter"
3036   },
3037   {
3038     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3039     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
3040     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
3041     3,
3042     options_change_page,
3043     &custom_element.current_change_page,
3044     NULL, NULL, NULL,                   "Select element change page"
3045   },
3046
3047   // ---------- element settings: configure (group elements) ------------------
3048
3049   {
3050     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3051     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3052     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
3053     -1,
3054     options_group_choice_mode,
3055     &group_element_info.choice_mode,
3056     NULL, "Choice type:", NULL,         "Select type of group element choice"
3057   },
3058 };
3059
3060 static struct
3061 {
3062   int gadget_type_id;
3063   int x, y;
3064   int gadget_id;
3065   int gadget_id_align;
3066   int size;
3067   char *text;
3068   char *text_above, *text_left, *text_right, *infotext;
3069 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3070 {
3071   // ---------- level and editor settings (tabs) ------------------------------
3072
3073   {
3074     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3075     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
3076     GADGET_ID_LEVELCONFIG_LEVEL,        GADGET_ID_NONE,
3077     8,                                  "Level",
3078     NULL, NULL, NULL,                   "Configure level settings"
3079   },
3080   {
3081     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3082     -1,                                 -1,
3083     GADGET_ID_LEVELCONFIG_LEVELSET,     GADGET_ID_LEVELCONFIG_LEVEL,
3084     8,                                  "Levelset",
3085     NULL, NULL, NULL,                   "Update this or create new level set"
3086   },
3087   {
3088     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3089     -1,                                 -1,
3090     GADGET_ID_LEVELCONFIG_EDITOR,       GADGET_ID_LEVELCONFIG_LEVELSET,
3091     8,                                  "Editor",
3092     NULL, NULL, NULL,                   "Configure editor settings"
3093   },
3094   {
3095     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3096     -1,                                 -1,
3097     GADGET_ID_LEVELCONFIG_ENGINE,       GADGET_ID_LEVELCONFIG_EDITOR,
3098     8,                                  "Engine",
3099     NULL, NULL, NULL,                   "Configure engine settings"
3100   },
3101
3102   // ---------- element settings (tabs) ---------------------------------------
3103
3104   {
3105     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3106     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
3107     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
3108     8,                                  "Info",
3109     NULL, NULL, NULL,                   "Show information about element"
3110   },
3111   {
3112     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3113     -1,                                 -1,
3114     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
3115     8,                                  "Config",
3116     NULL, NULL, NULL,                   "Configure element properties"
3117   },
3118   {
3119     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3120     -1,                                 -1,
3121     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
3122     8,                                  "Config 1",
3123     NULL, NULL, NULL,                   "Configure element properties, part 1"
3124   },
3125   {
3126     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3127     -1,                                 -1,
3128     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
3129     8,                                  "Config 2",
3130     NULL, NULL, NULL,                   "Configure element properties, part 2"
3131   },
3132   {
3133     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3134     -1,                                 -1,
3135     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
3136     8,                                  "Change",
3137     NULL, NULL, NULL,                   "Configure custom element change pages"
3138   },
3139
3140   // ---------- level and editor settings (buttons) ---------------------------
3141
3142   {
3143     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3144     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
3145     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
3146     -1,                                 "Save",
3147     NULL, NULL, NULL,                   "Update or create level set"
3148   },
3149   {
3150     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3151     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3152     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
3153     -1,                                 "Save",
3154     NULL, NULL,                         "this level as level template",
3155     "Save current settings as new template"
3156   },
3157
3158   // ---------- element settings (buttons) ------------------------------------
3159
3160   {
3161     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3162     -1,                                 -1,
3163     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3164     -1,                                 "Save",
3165     NULL, " ",                          "As Template",
3166     "Save current settings as new template"
3167   },
3168   {
3169     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3170     -1,                                 -1,
3171     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
3172     -1,                                 "New",
3173     NULL, NULL, NULL,                   "Add new change page"
3174   },
3175   {
3176     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3177     -1,                                 -1,
3178     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
3179     -1,                                 "Delete",
3180     NULL, NULL, NULL,                   "Delete current change page"
3181   },
3182 };
3183
3184 static struct
3185 {
3186   int gadget_type_id;
3187   int graphic;
3188   int x, y;
3189   int gadget_id;
3190   int gadget_id_align;
3191   char *text_left, *text_right, *infotext;
3192 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3193 {
3194   {
3195     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3196     IMG_EDITOR_COUNTER_DOWN,
3197     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3198     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
3199     NULL, NULL,                         "Select previous change page"
3200   },
3201   {
3202     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3203     IMG_EDITOR_COUNTER_UP,
3204     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3205     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
3206     NULL, "Change page",                "Select next change page"
3207   },
3208   {
3209     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3210     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3211     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3212     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
3213     " ", NULL,                          "Copy settings from this change page"
3214   },
3215   {
3216     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3217     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3218     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3219     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
3220     NULL, NULL,                         "Paste settings to this change page"
3221   },
3222 };
3223
3224 static struct
3225 {
3226   int x, y;
3227 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3228
3229 static struct
3230 {
3231   int gadget_type_id;
3232   int graphic;
3233   int gadget_id;
3234   char *infotext;
3235 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3236 {
3237   {
3238     ED_SCROLLBUTTON_ID_AREA_UP,
3239     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3240     GADGET_ID_SCROLL_UP,
3241     "Scroll level editing area up"
3242   },
3243   {
3244     ED_SCROLLBUTTON_ID_AREA_DOWN,
3245     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3246     GADGET_ID_SCROLL_DOWN,
3247     "Scroll level editing area down"
3248   },
3249   {
3250     ED_SCROLLBUTTON_ID_AREA_LEFT,
3251     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3252     GADGET_ID_SCROLL_LEFT,
3253     "Scroll level editing area left"
3254   },
3255   {
3256     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3257     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3258     GADGET_ID_SCROLL_RIGHT,
3259     "Scroll level editing area right"
3260   },
3261   {
3262     ED_SCROLLBUTTON_ID_LIST_UP,
3263     IMG_EDITOR_PALETTE_SCROLL_UP,
3264     GADGET_ID_SCROLL_LIST_UP,
3265     "Scroll element list up ('Page Up')"
3266   },
3267   {
3268     ED_SCROLLBUTTON_ID_LIST_DOWN,
3269     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3270     GADGET_ID_SCROLL_LIST_DOWN,
3271     "Scroll element list down ('Page Down')"
3272   },
3273 };
3274
3275 static struct
3276 {
3277   int x, y;
3278   int width, height;
3279   int wheel_x, wheel_y;
3280   int wheel_width, wheel_height;
3281 } scrollbar_pos[ED_NUM_SCROLLBARS];
3282
3283 static struct
3284 {
3285   int gadget_type_id;
3286   int graphic;
3287   int type;
3288   int gadget_id;
3289   char *infotext;
3290 } scrollbar_info[ED_NUM_SCROLLBARS] =
3291 {
3292   {
3293     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3294     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3295     GD_TYPE_SCROLLBAR_HORIZONTAL,
3296     GADGET_ID_SCROLL_HORIZONTAL,
3297     "Scroll level editing area horizontally"
3298   },
3299   {
3300     ED_SCROLLBAR_ID_AREA_VERTICAL,
3301     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3302     GD_TYPE_SCROLLBAR_VERTICAL,
3303     GADGET_ID_SCROLL_VERTICAL,
3304     "Scroll level editing area vertically"
3305   },
3306   {
3307     ED_SCROLLBAR_ID_LIST_VERTICAL,
3308     IMG_EDITOR_PALETTE_SCROLLBAR,
3309     GD_TYPE_SCROLLBAR_VERTICAL,
3310     GADGET_ID_SCROLL_LIST_VERTICAL,
3311     "Scroll element list vertically"
3312   }
3313 };
3314
3315
3316 static struct
3317 {
3318   int gadget_type_id;
3319   int x, y;
3320   int gadget_id;
3321   int gadget_id_align;
3322   int radio_button_nr;
3323   int *value;
3324   int checked_value;
3325   char *text_left, *text_right, *infotext;
3326 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3327 {
3328   {
3329     ED_RADIOBUTTON_ID_PERCENTAGE,
3330     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3331     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3332     RADIO_NR_RANDOM_ELEMENTS,
3333     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3334     " ", "percentage",                  "Use percentage for random elements"
3335   },
3336   {
3337     ED_RADIOBUTTON_ID_QUANTITY,
3338     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3339     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3340     RADIO_NR_RANDOM_ELEMENTS,
3341     &random_placement_method,           RANDOM_USE_QUANTITY,
3342     " ", "quantity",                    "Use quantity for random elements"
3343   }
3344 };
3345
3346 static struct
3347 {
3348   int gadget_type_id;
3349   int x, y;
3350   int gadget_id;
3351   int gadget_id_align;
3352   boolean *value;
3353   char *text_above, *text_left, *text_right, *infotext;
3354 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3355 {
3356   // ---------- level and editor settings -------------------------------------
3357
3358   {
3359     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3360     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3361     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3362     &level.auto_count_gems,
3363     NULL, NULL,
3364     "Automatically count gems needed",  "Set counter to number of gems"
3365   },
3366   {
3367     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3368     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3369     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3370     &level.rate_time_over_score,
3371     NULL, NULL,
3372     "Rate time/steps used over score",  "Sort high scores by playing time/steps"
3373   },
3374   {
3375     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3376     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3377     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3378     &levelset_use_levelset_artwork,
3379     NULL, NULL,
3380     "Use current custom artwork",       "Use custom artwork of this level set"
3381   },
3382   {
3383     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3384     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3385     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3386     &levelset_copy_level_template,
3387     NULL, NULL,
3388     "Copy current level template",      "Copy level template of this level set"
3389   },
3390   {
3391     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3392     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3393     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3394     &random_placement_background_restricted,
3395     NULL, NULL,
3396     "Restrict random placement to:",    "Set random placement restriction"
3397   },
3398   {
3399     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3400     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3401     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3402     &setup.editor.use_template_for_new_levels,
3403     "Template for new levels and CE/GE:", NULL,
3404     "Use template for new levels",      "Use template for level properties"
3405   },
3406   {
3407     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3408     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3409     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3410     &level.use_custom_template,
3411     NULL, NULL,
3412     "Use template for custom elements", "Use template for custom properties"
3413   },
3414   {
3415     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3416     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
3417     GADGET_ID_BD_INTERMISSION,          GADGET_ID_NONE,
3418     &level.bd_intermission,
3419     "Boulder Dash game engine settings:", NULL,
3420     "Intermission",                     "Level is an intermission level"
3421   },
3422   {
3423     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3424     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
3425     GADGET_ID_BD_PAL_TIMING,            GADGET_ID_NONE,
3426     &level.bd_pal_timing,
3427     NULL, NULL,
3428     "PAL timing",                       "Use slower timer (like PAL C64)"
3429   },
3430   {
3431     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3432     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3433     GADGET_ID_BD_LINE_SHIFTING_BORDERS, GADGET_ID_NONE,
3434     &level.bd_line_shifting_borders,
3435     "Compatibility settings:", NULL,
3436     "Line-shifting borders",            "Use line-shifting wrap-around"
3437   },
3438   {
3439     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3440     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3441     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW, GADGET_ID_NONE,
3442     &level.bd_scan_first_and_last_row,
3443     NULL, NULL,
3444     "Scan first and last row",          "Also process top/bottom border rows"
3445   },
3446   {
3447     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3448     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3449     GADGET_ID_BD_SHORT_EXPLOSIONS,      GADGET_ID_NONE,
3450     &level.bd_short_explosions,
3451     NULL, NULL,
3452     "Short explosions",                 "Use four game cycles for explosions"
3453   },
3454   {
3455     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
3456     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
3457     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,   GADGET_ID_NONE,
3458     &level.bd_gravity_affects_all,
3459     NULL, NULL,
3460     "Gravity change affects everything", "Gravity affects all falling objects"
3461   },
3462
3463   // ---------- element settings: configure (various elements) ----------------
3464
3465   {
3466     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3467     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3468     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3469     &stick_element_properties_window,
3470     NULL, NULL,
3471     "Stick this screen to edit content","Stick this screen to edit content"
3472   },
3473   {
3474     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3475     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3476     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3477     &level.em_slippery_gems,
3478     NULL, NULL,
3479     "Slip down from certain flat walls","Use EM/DC style slipping behaviour"
3480   },
3481   {
3482     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3483     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3484     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3485     &level.em_explodes_by_fire,
3486     NULL, NULL,
3487     "Explodes with chain reaction",     "Use R'n'D style explosion behaviour"
3488   },
3489   {
3490     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3491     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3492     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3493     &level.use_spring_bug,
3494     NULL, NULL,
3495     "Use spring pushing bug",           "Use odd spring pushing behaviour"
3496   },
3497   {
3498     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3499     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3500     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3501     &level.use_time_orb_bug,
3502     NULL, NULL,
3503     "Use time orb bug",                 "Use odd time orb behaviour"
3504   },
3505   {
3506     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3507     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3508     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3509     &level.use_life_bugs,
3510     NULL, NULL,
3511     "Use buggy element behaviour",      "Use odd (historic) element behaviour"
3512   },
3513   {
3514     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3515     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3516     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3517     &level.ball_random,
3518     NULL, NULL,
3519     "Create single random element",     "Only create one element from content"
3520   },
3521   {
3522     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3523     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3524     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3525     &level.ball_active_initial,
3526     NULL, NULL,
3527     "Magic ball initially activated",   "Activate magic ball after level start"
3528   },
3529   {
3530     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3531     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3532     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3533     &level.grow_into_diggable,
3534     NULL, NULL,
3535     "Can grow into anything diggable",  "Grow into more than just sand"
3536   },
3537   {
3538     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3539     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3540     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3541     &level.sb_fields_needed,
3542     NULL, NULL,
3543     "All fields need to be filled",     "Require all SB fields to be solved"
3544   },
3545   {
3546     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3547     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3548     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3549     &level.sb_objects_needed,
3550     NULL, NULL,
3551     "All objects need to be placed",    "Require all SB objects to be solved"
3552   },
3553   {
3554     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3555     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3556     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3557     &level.auto_exit_sokoban,
3558     NULL, NULL,
3559     "Exit level if all tasks solved",   "Automatically finish Sokoban levels"
3560   },
3561   {
3562     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3563     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3564     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3565     &level.solved_by_one_player,
3566     NULL, NULL,
3567     "Only one player must enter exit",  "Level solved by first player in exit"
3568   },
3569   {
3570     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3571     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3572     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3573     &level.finish_dig_collect,
3574     NULL, NULL,
3575     "CE action on finished dig/collect", "Only finished dig/collect triggers CE"
3576   },
3577   {
3578     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3579     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3580     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3581     &level.keep_walkable_ce,
3582     NULL, NULL,
3583     "Keep walkable CE changed to player", "Keep CE changing to player if walkable"
3584   },
3585   {
3586     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3587     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3588     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3589     &level.continuous_snapping,
3590     NULL, NULL,
3591     "Continuous snapping",              "Use snapping without releasing key"
3592   },
3593   {
3594     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3595     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3596     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3597     &level.block_snap_field,
3598     NULL, NULL,
3599     "Block snapped field when snapping", "Use snapping delay to show animation"
3600   },
3601   {
3602     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3603     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3604     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3605     &level.block_last_field,
3606     NULL, NULL,
3607     "Block last field when moving",     "Player blocks last field when moving"
3608   },
3609   {
3610     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3611     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3612     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3613     &level.sp_block_last_field,
3614     NULL, NULL,
3615     "Block last field when moving",     "Player blocks last field when moving"
3616   },
3617   {
3618     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3619     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3620     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3621     &level.instant_relocation,
3622     NULL, NULL,
3623     "No scrolling when relocating",     "Player gets relocated without delay"
3624   },
3625   {
3626     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3627     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3628     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3629     &level.shifted_relocation,
3630     NULL, NULL,
3631     "No centering when relocating",     "Level not centered after relocation"
3632   },
3633   {
3634     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3635     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3636     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3637     &level.lazy_relocation,
3638     NULL, NULL,
3639     "Only redraw off-screen relocation","No redraw if relocation target visible"
3640   },
3641   {
3642     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3643     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3644     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3645     &level.use_start_element[0],
3646     NULL, NULL,
3647     "Use level start element:",        "Start level at this element's position"
3648   },
3649   {
3650     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3651     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3652     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3653     &level.use_artwork_element[0],
3654     NULL, NULL,
3655     "Use artwork from element:",        "Use player artwork from other element"
3656   },
3657   {
3658     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3659     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3660     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3661     &level.use_explosion_element[0],
3662     NULL, NULL,
3663     "Use explosion from element:",      "Use explosion properties from element"
3664   },
3665   {
3666     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3667     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3668     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3669     &level.initial_player_gravity[0],
3670     NULL, NULL,
3671     "Use initial gravity",              "Set initial player gravity"
3672   },
3673   {
3674     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3675     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3676     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3677     &level.use_initial_inventory[0],
3678     NULL, NULL,
3679     "Use initial inventory:",           "Use collected elements on level start"
3680   },
3681   {
3682     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3683     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3684     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3685     &level.can_pass_to_walkable,
3686     NULL, NULL,
3687     "Can pass to walkable element",     "Player can pass to empty or walkable"
3688   },
3689   {
3690     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3691     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3692     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3693     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3694     NULL, NULL,
3695     "Can fall into acid (with gravity)","Player can fall into acid pool"
3696   },
3697   {
3698     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3699     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3700     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3701     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3702     NULL, NULL,
3703     "Can move into acid",               "Element can move into acid pool"
3704   },
3705   {
3706     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3707     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3708     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3709     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3710     NULL, NULL,
3711     "Deadly when colliding with",       "Element is deadly when hitting player"
3712   },
3713   {
3714     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3715     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3716     GADGET_ID_BD_DIAGONAL_MOVEMENTS,    GADGET_ID_NONE,
3717     &level.bd_diagonal_movements,
3718     NULL, NULL,
3719     "Can move diagonally",              "Player can move diagonally"
3720   },
3721   {
3722     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
3723     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3724     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE, GADGET_ID_NONE,
3725     &level.bd_topmost_player_active,
3726     NULL, NULL,
3727     "Topmost player is active",         "Use first player found on playfield"
3728   },
3729   {
3730     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
3731     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3732     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET, GADGET_ID_NONE,
3733     &level.bd_push_mega_rock_with_sweet,
3734     NULL, NULL,
3735     "Mega rocks pushable with sweet",   "Push mega rocks after eating sweet"
3736   },
3737   {
3738     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
3739     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3740     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING, GADGET_ID_NONE,
3741     &level.bd_magic_wall_wait_hatching,
3742     NULL, NULL,
3743     "Wait for player's birth",          "Timer start waits for player's birth"
3744   },
3745   {
3746     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
3747     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3748     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA, GADGET_ID_NONE,
3749     &level.bd_magic_wall_stops_amoeba,
3750     NULL, NULL,
3751     "Turn amoeba to diamonds",          "Activation changes amoeba to diamonds"
3752   },
3753   {
3754     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
3755     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3756     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING, GADGET_ID_NONE,
3757     &level.bd_amoeba_wait_for_hatching,
3758     NULL, NULL,
3759     "Wait for player's birth",          "Timer start waits for player's birth"
3760   },
3761   {
3762     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
3763     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3764     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY, GADGET_ID_NONE,
3765     &level.bd_amoeba_start_immediately,
3766     NULL, NULL,
3767     "Start growing immediately",        "Start slow growth time immediately"
3768   },
3769   {
3770     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
3771     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3772     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA, GADGET_ID_NONE,
3773     &level.bd_amoeba_2_explode_by_amoeba,
3774     NULL, NULL,
3775     "Explodes if touched by amoeba",    "Amoeba 2 explodes if touched by amoeba"
3776   },
3777   {
3778     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
3779     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3780     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS, GADGET_ID_NONE,
3781     &level.bd_voodoo_collects_diamonds,
3782     NULL, NULL,
3783     "Can collect diamonds",             "Can collect diamonds for the player"
3784   },
3785   {
3786     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
3787     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3788     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER, GADGET_ID_NONE,
3789     &level.bd_voodoo_hurt_kills_player,
3790     NULL, NULL,
3791     "Player is killed if hurt",         "If hurt in any way, player is killed"
3792   },
3793   {
3794     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
3795     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3796     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,   GADGET_ID_NONE,
3797     &level.bd_voodoo_dies_by_rock,
3798     NULL, NULL,
3799     "Killed by falling rock",           "Can be killed by a falling rock"
3800   },
3801   {
3802     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
3803     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3804     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION, GADGET_ID_NONE,
3805     &level.bd_voodoo_vanish_by_explosion,
3806     NULL, NULL,
3807     "Disappears in explosions",         "Can be destroyed by explosions"
3808   },
3809   {
3810     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
3811     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3812     GADGET_ID_BD_SLIME_IS_PREDICTABLE, GADGET_ID_NONE,
3813     &level.bd_slime_is_predictable,
3814     NULL, NULL,
3815     "Slime is predictable",             "Use predictable random numbers"
3816   },
3817   {
3818     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
3819     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3820     GADGET_ID_BD_CHANGE_EXPANDING_WALL, GADGET_ID_NONE,
3821     &level.bd_change_expanding_wall,
3822     NULL, NULL,
3823     "Change direction",                 "Switch horizontal/vertical direction"
3824   },
3825   {
3826     ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
3827     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3828     GADGET_ID_BD_REPLICATORS_ACTIVE,    GADGET_ID_NONE,
3829     &level.bd_replicators_active,
3830     NULL, NULL,
3831     "Active at start",                  "Replicators start in active state"
3832   },
3833   {
3834     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3835     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3836     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3837     &level.envelope[0].autowrap,
3838     NULL, NULL,
3839     "Auto-wrap",                        "Automatically wrap envelope text"
3840   },
3841   {
3842     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3843     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3844     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3845     &level.envelope[0].centered,
3846     NULL, " ",
3847     "Centered",                         "Automatically center envelope text"
3848   },
3849   {
3850     ED_CHECKBUTTON_ID_MM_LASER_RED,
3851     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3852     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3853     &level.mm_laser_red,
3854     "Choose color components for laser:", NULL,
3855     "Red",                              "Use red color components in laser"
3856   },
3857   {
3858     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3859     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3860     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3861     &level.mm_laser_green,
3862     NULL, NULL,
3863     "Green",                            "Use green color components in laser"
3864   },
3865   {
3866     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3867     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3868     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3869     &level.mm_laser_blue,
3870     NULL, NULL,
3871     "Blue",                             "Use blue color components in laser"
3872   },
3873   {
3874     ED_CHECKBUTTON_ID_DF_LASER_RED,
3875     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3876     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3877     &level.df_laser_red,
3878     "Choose color components for laser:", NULL,
3879     "Red",                              "Use red color components in laser"
3880   },
3881   {
3882     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
3883     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3884     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3885     &level.df_laser_green,
3886     NULL, NULL,
3887     "Green",                            "Use green color components in laser"
3888   },
3889   {
3890     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
3891     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3892     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3893     &level.df_laser_blue,
3894     NULL, NULL,
3895     "Blue",                             "Use blue color components in laser"
3896   },
3897   {
3898     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
3899     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3900     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3901     &level.rotate_mm_ball_content,
3902     NULL, NULL,
3903     "Randomly rotate created content",  "Randomly rotate newly created content"
3904   },
3905   {
3906     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
3907     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3908     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3909     &level.explode_mm_ball,
3910     NULL, NULL,
3911     "Explode ball instead of melting",  "Use explosion to release ball content"
3912   },
3913
3914   // ---------- element settings: configure 1 (custom elements) ---------------
3915
3916   {
3917     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
3918     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3919     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3920     &custom_element.use_gfx_element,
3921     NULL, NULL,
3922     "Use graphic of element:",          "Use existing element graphic"
3923   },
3924   {
3925     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
3926     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3927     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3928     &level.use_custom_template,
3929     NULL, NULL,
3930     "Use template",                     "Use template for custom properties"
3931   },
3932   {
3933     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
3934     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3935     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3936     &custom_element_properties[EP_ACCESSIBLE],
3937     NULL, NULL,
3938     NULL,                               "Player can walk to or pass this field"
3939   },
3940   {
3941     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
3942     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3943     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3944     &custom_element_properties[EP_GRAVITY_REACHABLE],
3945     NULL, NULL,
3946     "Reachable despite gravity",        "Player can walk/dig despite gravity"
3947   },
3948   {
3949     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
3950     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3951     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3952     &custom_element.use_last_ce_value,
3953     NULL, NULL,
3954     "Use last CE value after change",   "Use last CE value after change"
3955   },
3956   {
3957     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
3958     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3959     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3960     &custom_element_properties[EP_WALK_TO_OBJECT],
3961     NULL, NULL,
3962     NULL,                               "Player can dig/collect/push element"
3963   },
3964   {
3965     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
3966     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3967     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3968     &custom_element_properties[EP_INDESTRUCTIBLE],
3969     NULL, NULL,
3970     "Indestructible",                   "Element is indestructible"
3971   },
3972
3973   // ---------- element settings: configure 2 (custom elements) ---------------
3974
3975   {
3976     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
3977     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3978     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3979     &custom_element_properties[EP_CAN_MOVE],
3980     NULL, NULL,
3981     NULL,                               "Element can move with some pattern"
3982   },
3983   {
3984     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
3985     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3986     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3987     &custom_element_properties[EP_CAN_FALL],
3988     NULL, NULL,
3989     "Can fall",                         "Element can fall down"
3990   },
3991   {
3992     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
3993     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3994     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3995     &custom_element_properties[EP_CAN_SMASH],
3996     NULL, " ",
3997     NULL,                               "Element can smash other elements"
3998   },
3999   {
4000     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
4001     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
4002     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
4003     &custom_element_properties[EP_SLIPPERY],
4004     NULL, NULL,
4005     NULL,                               "Other elements can fall down from it"
4006   },
4007   {
4008     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
4009     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
4010     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
4011     &custom_element_properties[EP_DEADLY],
4012     NULL, NULL,
4013     NULL,                               "Element can kill the player"
4014   },
4015   {
4016     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4017     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
4018     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
4019     &custom_element_properties[EP_CAN_EXPLODE],
4020     NULL, NULL,
4021     NULL,                               "Element can explode"
4022   },
4023   {
4024     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4025     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
4026     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
4027     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4028     NULL, NULL,
4029     "By fire",                          "Element can explode by fire/explosion"
4030   },
4031   {
4032     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4033     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4034     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
4035     &custom_element_properties[EP_EXPLODES_SMASHED],
4036     NULL, " ",
4037     "Smashed",                          "Element can explode when smashed"
4038   },
4039   {
4040     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4041     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4042     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
4043     &custom_element_properties[EP_EXPLODES_IMPACT],
4044     NULL, " ",
4045     "Impact",                           "Element can explode on impact"
4046   },
4047
4048   // ---------- element settings: advanced (custom elements) ------------------
4049
4050   {
4051     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4052     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
4053     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
4054     &custom_element_change.can_change,
4055     NULL, NULL,
4056     "Element changes to:",              "Change element on specified condition"
4057   },
4058   {
4059     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4060     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
4061     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
4062     &custom_element_change_events[CE_DELAY],
4063     NULL, NULL,
4064     NULL,                               "Element changes after delay"
4065   },
4066   {
4067     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4068     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
4069     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
4070     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4071     NULL, NULL,
4072     NULL,                               "Element changes by direct action"
4073   },
4074   {
4075     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4076     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
4077     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
4078     &custom_element_change_events[CE_BY_OTHER_ACTION],
4079     NULL, NULL,
4080     NULL,                               "Element changes by other element"
4081   },
4082   {
4083     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4084     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
4085     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
4086     &custom_element_change.explode,
4087     NULL, NULL,
4088     "Explode instead of change",        "Element explodes instead of change"
4089   },
4090   {
4091     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4092     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
4093     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
4094     &custom_element_change.use_target_content,
4095     NULL, NULL,
4096     "Use extended change target:",      "Element changes to more elements"
4097   },
4098   {
4099     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4100     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
4101     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
4102     &custom_element_change.only_if_complete,
4103     NULL, NULL,
4104     "Replace all or nothing",           "Only replace when all can be changed"
4105   },
4106   {
4107     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4108     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
4109     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
4110     &custom_element_change.use_random_replace,
4111     NULL, NULL,
4112     NULL,                               "Use percentage for random replace"
4113   },
4114   {
4115     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4116     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
4117     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
4118     &custom_element_change.has_action,
4119     NULL, NULL,
4120     NULL,                               "Execute action on specified condition"
4121   },
4122 };
4123
4124 static struct
4125 {
4126   int gadget_type_id;
4127   int x, y;
4128   int xoffset, yoffset;
4129   int gadget_id;
4130   int gadget_id_align;
4131   int *value;
4132   int area_xsize, area_ysize;
4133   char *text_left, *text_right, *text_above, *text_below, *infotext;
4134 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4135 {
4136   // ---------- level playfield content ---------------------------------------
4137
4138   {
4139     ED_DRAWING_ID_DRAWING_LEVEL,
4140     0,                                  0,
4141     0,                                  0,
4142     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
4143     NULL,
4144     -1, -1,     // these values are not constant, but can change at runtime
4145     NULL, NULL, NULL, NULL,             NULL
4146   },
4147
4148   // ---------- yam yam content -----------------------------------------------
4149
4150   {
4151     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4152     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4153     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
4154     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
4155     &level.yamyam_content[0].e[0][0],   3, 3,
4156     NULL, NULL, NULL, "1",              NULL
4157   },
4158   {
4159     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4160     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4161     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
4162     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
4163     &level.yamyam_content[1].e[0][0],   3, 3,
4164     NULL, NULL, NULL, "2",              NULL
4165   },
4166   {
4167     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4168     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4169     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
4170     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
4171     &level.yamyam_content[2].e[0][0],   3, 3,
4172     NULL, NULL, NULL, "3",              NULL
4173   },
4174   {
4175     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4176     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4177     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
4178     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
4179     &level.yamyam_content[3].e[0][0],   3, 3,
4180     NULL, NULL, NULL, "4",              NULL
4181   },
4182   {
4183     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4184     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4185     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
4186     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
4187     &level.yamyam_content[4].e[0][0],   3, 3,
4188     NULL, NULL, NULL, "5",              NULL
4189   },
4190   {
4191     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4192     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4193     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
4194     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
4195     &level.yamyam_content[5].e[0][0],   3, 3,
4196     NULL, NULL, NULL, "6",              NULL
4197   },
4198   {
4199     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4200     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4201     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
4202     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
4203     &level.yamyam_content[6].e[0][0],   3, 3,
4204     NULL, NULL, NULL, "7",              NULL
4205   },
4206   {
4207     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4208     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4209     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
4210     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
4211     &level.yamyam_content[7].e[0][0],   3, 3,
4212     NULL, NULL, NULL, "8",              NULL
4213   },
4214
4215   // ---------- magic ball content --------------------------------------------
4216
4217   {
4218     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4219     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4220     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4221     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
4222     &level.ball_content[0].e[0][0],     3, 3,
4223     NULL, NULL, NULL, "1",              NULL
4224   },
4225   {
4226     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4227     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4228     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4229     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
4230     &level.ball_content[1].e[0][0],     3, 3,
4231     NULL, NULL, NULL, "2",              NULL
4232   },
4233   {
4234     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4235     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4236     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4237     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
4238     &level.ball_content[2].e[0][0],     3, 3,
4239     NULL, NULL, NULL, "3",              NULL
4240   },
4241   {
4242     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4243     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4244     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4245     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
4246     &level.ball_content[3].e[0][0],     3, 3,
4247     NULL, NULL, NULL, "4",              NULL
4248   },
4249   {
4250     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4251     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4252     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4253     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
4254     &level.ball_content[4].e[0][0],     3, 3,
4255     NULL, NULL, NULL, "5",              NULL
4256   },
4257   {
4258     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4259     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4260     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4261     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
4262     &level.ball_content[5].e[0][0],     3, 3,
4263     NULL, NULL, NULL, "6",              NULL
4264   },
4265   {
4266     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4267     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4268     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4269     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
4270     &level.ball_content[6].e[0][0],     3, 3,
4271     NULL, NULL, NULL, "7",              NULL
4272   },
4273   {
4274     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4275     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4276     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4277     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
4278     &level.ball_content[7].e[0][0],     3, 3,
4279     NULL, NULL, NULL, "8",              NULL
4280   },
4281
4282   // ---------- android content -----------------------------------------------
4283
4284   {
4285     ED_DRAWING_ID_ANDROID_CONTENT,
4286     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4287     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4288     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
4289     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
4290     NULL, NULL, "Elements:", NULL,      "Elements android can clone"
4291   },
4292
4293   // ---------- amoeba content ------------------------------------------------
4294
4295   {
4296     ED_DRAWING_ID_AMOEBA_CONTENT,
4297     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4298     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4299     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
4300     &level.amoeba_content,              1, 1,
4301     "Content:", NULL, NULL, NULL,       "Amoeba content"
4302   },
4303
4304   // ---------- BD snap element -----------------------------------------------
4305
4306   {
4307     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4308     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
4309     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4310     GADGET_ID_BD_SNAP_ELEMENT,          GADGET_ID_NONE,
4311     &level.bd_snap_element,             1, 1,
4312     "Snap element:", NULL, NULL, NULL,  "Element created when snapping"
4313   },
4314
4315   // ---------- BD amoeba content ---------------------------------------------
4316
4317   {
4318     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4319     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4320     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4321     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG, GADGET_ID_NONE,
4322     &level.bd_amoeba_content_too_big,   1, 1,
4323     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba content if too big"
4324   },
4325   {
4326     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4327     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4328     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4329     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED, GADGET_ID_NONE,
4330     &level.bd_amoeba_content_enclosed,  1, 1,
4331     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba content if enclosed"
4332   },
4333
4334   // ---------- BD amoeba 2 content -------------------------------------------
4335
4336   {
4337     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4338     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4339     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4340     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG, GADGET_ID_NONE,
4341     &level.bd_amoeba_2_content_too_big, 1, 1,
4342     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba 2 content if too big"
4343   },
4344   {
4345     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4346     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4347     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4348     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED, GADGET_ID_NONE,
4349     &level.bd_amoeba_2_content_enclosed,        1, 1,
4350     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba 2 content if enclosed"
4351   },
4352   {
4353     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4354     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(10),
4355     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4356     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING, GADGET_ID_NONE,
4357     &level.bd_amoeba_2_content_exploding,       1, 1,
4358     "If exploding, changes to:", NULL, NULL, NULL,      "BD amoeba 2 content if exploding"
4359   },
4360   {
4361     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4362     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(11),
4363     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4364     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4365     &level.bd_amoeba_2_content_looks_like,      1, 1,
4366     "Use graphic of element:", NULL, NULL, NULL,        "BD amoeba 2 looks like this element"
4367   },
4368   {
4369     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4370     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4371     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4372     GADGET_ID_BD_ACID_EATS_ELEMENT,     GADGET_ID_NONE,
4373     &level.bd_acid_eats_element,        1, 1,
4374     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4375   },
4376   {
4377     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4378     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4379     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4380     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT, GADGET_ID_NONE,
4381     &level.bd_acid_turns_to_element,    1, 1,
4382     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4383   },
4384   {
4385     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
4386     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4387     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4388     GADGET_ID_BD_BITER_EATS_ELEMENT,    GADGET_ID_NONE,
4389     &level.bd_biter_eats_element,       1, 1,
4390     "Can eat:", NULL, NULL, NULL,       "Eats this element when moving"
4391   },
4392   {
4393     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
4394     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4395     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4396     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT, GADGET_ID_NONE,
4397     &level.bd_bladder_converts_by_element,      1, 1,
4398     "Turns to clock by touching:", NULL, NULL, NULL,    "Turns to clock by touching element"
4399   },
4400
4401   // ---------- level start element -------------------------------------------
4402
4403   {
4404     ED_DRAWING_ID_START_ELEMENT,
4405     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
4406     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4407     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
4408     &level.start_element[0],            1, 1,
4409     NULL, NULL, NULL, NULL,             "Level start element"
4410   },
4411
4412   // ---------- player artwork element ----------------------------------------
4413
4414   {
4415     ED_DRAWING_ID_ARTWORK_ELEMENT,
4416     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
4417     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4418     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
4419     &level.artwork_element[0],          1, 1,
4420     NULL, NULL, NULL, NULL,             "Element for player artwork"
4421   },
4422
4423   // ---------- player explosion element --------------------------------------
4424
4425   {
4426     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4427     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
4428     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4429     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
4430     &level.explosion_element[0],        1, 1,
4431     NULL, NULL, NULL, NULL,             "Element for player explosion"
4432   },
4433
4434   // ---------- player initial inventory --------------------------------------
4435
4436   {
4437     ED_DRAWING_ID_INVENTORY_CONTENT,
4438     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4439     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4440     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
4441     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
4442     NULL, NULL, NULL, NULL,             "Content for initial inventory"
4443   },
4444
4445   // ---------- gray ball content -----------------------------------------
4446
4447   {
4448     ED_DRAWING_ID_MM_BALL_CONTENT,
4449     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4450     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4451     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
4452     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
4453     "Content:", NULL, NULL, NULL,       "Content for gray ball"
4454   },
4455
4456   // ---------- element settings: configure 1 (custom elements) ---------------
4457
4458   // ---------- custom graphic ------------------------------------------------
4459
4460   {
4461     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4462     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4463     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4464     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
4465     &custom_element.gfx_element_initial, 1, 1,
4466     NULL, NULL, NULL, NULL,             "Custom graphic element"
4467   },
4468
4469   // ---------- element settings: configure 2 (custom elements) ---------------
4470
4471   // ---------- custom content (when exploding) -------------------------------
4472
4473   {
4474     ED_DRAWING_ID_CUSTOM_CONTENT,
4475     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
4476     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4477     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
4478     &custom_element.content.e[0][0],    3, 3,
4479     "Content:", NULL, NULL, NULL,       NULL
4480   },
4481
4482   // ---------- custom enter and leave element (when moving) ------------------
4483
4484   {
4485     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4486     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
4487     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4488     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
4489     &custom_element.move_enter_element, 1, 1,
4490     "Can dig:", " ", NULL, NULL,        "Element that can be digged/collected"
4491   },
4492   {
4493     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4494     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
4495     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4496     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4497     &custom_element.move_leave_element, 1, 1,
4498     NULL, NULL, NULL, NULL,             "Element that will be left behind"
4499   },
4500
4501   // ---------- element settings: advanced (custom elements) ------------------
4502
4503   // ---------- custom change target ------------------------------------------
4504
4505   {
4506     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4507     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4508     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4509     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
4510     &custom_element_change.target_element, 1, 1,
4511     NULL, "after/when:", NULL, NULL,    "New target element after change"
4512   },
4513
4514   // ---------- custom change content (extended change target) ----------------
4515
4516   {
4517     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4518     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
4519     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4520     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
4521     &custom_element_change.target_content.e[0][0], 3, 3,
4522     NULL, NULL, NULL, NULL,             "New extended elements after change"
4523   },
4524
4525   // ---------- custom change trigger (element causing change) ----------------
4526
4527   {
4528     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4529     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
4530     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4531     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
4532     &custom_element_change.initial_trigger_element, 1, 1,
4533     NULL, NULL, NULL, NULL,             "Other element triggering change"
4534   },
4535
4536   // ---------- custom change action (element used for action) ----------------
4537
4538   {
4539     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4540     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
4541     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4542     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
4543     &custom_element_change.action_element, 1, 1,
4544     NULL, NULL, NULL, NULL,             "Element used as action parameter"
4545   },
4546
4547   // ---------- group element content -----------------------------------------
4548
4549   {
4550     ED_DRAWING_ID_GROUP_CONTENT,
4551     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4552     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4553     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
4554     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
4555     "Content:", NULL, NULL, NULL,       NULL
4556   },
4557
4558   // ---------- random background (for random painting) -----------------------
4559
4560   {
4561     ED_DRAWING_ID_RANDOM_BACKGROUND,
4562     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
4563     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
4564     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
4565     &random_placement_background_element, 1, 1,
4566     NULL, NULL, NULL, NULL,             "Random placement background"
4567   },
4568 };
4569
4570
4571 // ----------------------------------------------------------------------------
4572 // some internally used variables
4573 // ----------------------------------------------------------------------------
4574
4575 // maximal size of level editor drawing area
4576 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4577
4578 // actual size of level editor drawing area
4579 static int ed_fieldx, ed_fieldy;
4580
4581 // actual position of level editor drawing area in level playfield
4582 static int level_xpos = -1, level_ypos = -1;
4583
4584 // actual tile size used to display playfield drawing area
4585 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4586 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4587
4588 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4589
4590 // drawing elements on the three mouse buttons
4591 static int new_element1 = EL_WALL;
4592 static int new_element2 = EL_EMPTY;
4593 static int new_element3 = EL_SAND;
4594
4595 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4596 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4597                                 (button) == 2 ? new_element2 : \
4598                                 (button) == 3 ? new_element3 : EL_EMPTY)
4599
4600 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4601
4602 static int use_permanent_palette = TRUE;
4603
4604 #define PX              (use_permanent_palette ? DX : SX)
4605 #define PY              (use_permanent_palette ? DY : SY)
4606 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4607 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4608
4609 // forward declaration for internal use
4610 static void CopyBrushToCursor(int, int);
4611 static void DeleteBrushFromCursor(void);
4612 static void ModifyEditorCounterValue(int, int);
4613 static void ModifyEditorCounterLimits(int, int, int);
4614 static void ModifyEditorSelectboxValue(int, int);
4615 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4616 static void ModifyEditorDrawingArea(int, int, int);
4617 static void ModifyEditorElementList(void);
4618 static void AdjustElementListScrollbar(void);
4619 static void RedrawDrawingElements(void);
4620 static void DrawDrawingWindowExt(boolean);
4621 static void DrawDrawingWindow(void);
4622 static void DrawLevelConfigWindow(void);
4623 static void DrawPropertiesWindow(void);
4624 static void DrawPaletteWindow(void);
4625 static void UpdateCustomElementGraphicGadgets(void);
4626 static boolean checkPropertiesConfig(int);
4627 static void SetAutomaticNumberOfGemsNeeded(void);
4628 static void ClearEditorGadgetInfoText(void);
4629 static void CopyLevelToUndoBuffer(int);
4630 static void HandleDrawingAreas(struct GadgetInfo *);
4631 static void HandleCounterButtons(struct GadgetInfo *);
4632 static void HandleTextInputGadgets(struct GadgetInfo *);
4633 static void HandleTextAreaGadgets(struct GadgetInfo *);
4634 static void HandleSelectboxGadgets(struct GadgetInfo *);
4635 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4636 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4637 static void HandleRadiobuttons(struct GadgetInfo *);
4638 static void HandleCheckbuttons(struct GadgetInfo *);
4639 static void HandleControlButtons(struct GadgetInfo *);
4640 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4641 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4642 static boolean AskToCopyAndModifyLevelTemplate(void);
4643 static boolean getDrawModeHiRes(void);
4644 static int getTabulatorBarWidth(void);
4645 static int getTabulatorBarHeight(void);
4646 static Pixel getTabulatorBarColor(void);
4647 static int numHiresTiles(int);
4648
4649 static int num_editor_gadgets = 0;      // dynamically determined
4650
4651 static struct GadgetInfo **level_editor_gadget = NULL;
4652 static int *right_gadget_border = NULL;
4653
4654 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4655 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4656 static boolean draw_with_brush = FALSE;
4657 static int properties_element = 0;
4658
4659 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4660 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4661 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4662 static int undo_buffer_position = 0;
4663 static int undo_buffer_steps = 0;
4664 static int redo_buffer_steps = 0;
4665
4666 static int edit_mode;
4667 static int edit_mode_levelconfig;
4668 static int edit_mode_properties;
4669
4670 static int element_shift = 0;
4671
4672 static int editor_el_players[] =
4673 {
4674   EL_PLAYER_1,
4675   EL_PLAYER_2,
4676   EL_PLAYER_3,
4677   EL_PLAYER_4
4678 };
4679 static int *editor_el_players_ptr = editor_el_players;
4680 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4681
4682 static int editor_hl_boulderdash[] =
4683 {
4684   EL_INTERNAL_CASCADE_BD_ACTIVE,
4685   EL_CHAR('B'),
4686   EL_CHAR('D'),
4687   EL_EMPTY,
4688 };
4689
4690 static int editor_el_boulderdash[] =
4691 {
4692   EL_EMPTY,
4693   EL_SAND,
4694   EL_BD_ROCK,
4695   EL_BD_DIAMOND,
4696
4697   EL_STEELWALL,
4698   EL_BD_WALL,
4699   EL_BD_EXPANDABLE_WALL,
4700   EL_BD_MAGIC_WALL,
4701
4702   EL_BD_AMOEBA,
4703   EL_BD_BUTTERFLY_UP,
4704   EL_BD_FIREFLY_UP,
4705   EL_EXIT_CLOSED,
4706
4707   EL_BD_BUTTERFLY_LEFT,
4708   EL_BD_FIREFLY_LEFT,
4709   EL_BD_BUTTERFLY_RIGHT,
4710   EL_BD_FIREFLY_RIGHT,
4711
4712   EL_EMPTY,
4713   EL_BD_BUTTERFLY_DOWN,
4714   EL_BD_FIREFLY_DOWN,
4715   EL_EXIT_OPEN,
4716 };
4717 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4718 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4719 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4720 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4721
4722 static int editor_hl_boulderdash_native[] =
4723 {
4724   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4725   EL_CHAR('B'),
4726   EL_CHAR('D'),
4727   EL_EMPTY,
4728 };
4729
4730 static int editor_el_boulderdash_native[] =
4731 {
4732   EL_EMPTY,
4733   EL_BD_SAND,
4734   EL_BD_ROCK,
4735   EL_BD_DIAMOND,
4736
4737   EL_BD_STEELWALL,
4738   EL_BD_WALL,
4739   EL_BD_SAND_2,
4740   EL_BD_MAGIC_WALL,
4741
4742   EL_BD_AMOEBA,
4743   EL_BD_BUTTERFLY_UP,
4744   EL_BD_FIREFLY_UP,
4745   EL_BD_EXIT_CLOSED,
4746
4747   EL_BD_BUTTERFLY_LEFT,
4748   EL_BD_FIREFLY_LEFT,
4749   EL_BD_BUTTERFLY_RIGHT,
4750   EL_BD_FIREFLY_RIGHT,
4751
4752   EL_BD_INBOX,
4753   EL_BD_BUTTERFLY_DOWN,
4754   EL_BD_FIREFLY_DOWN,
4755   EL_BD_EXIT_OPEN,
4756
4757   EL_BD_AMOEBA_2,
4758   EL_BD_BUTTERFLY_2_UP,
4759   EL_BD_FIREFLY_2_UP,
4760   EL_BD_SLIME,
4761
4762   EL_BD_BUTTERFLY_2_LEFT,
4763   EL_BD_FIREFLY_2_LEFT,
4764   EL_BD_BUTTERFLY_2_RIGHT,
4765   EL_BD_FIREFLY_2_RIGHT,
4766
4767   EL_BD_BOMB,
4768   EL_BD_BUTTERFLY_2_DOWN,
4769   EL_BD_FIREFLY_2_DOWN,
4770   EL_BD_FLYING_DIAMOND,
4771
4772   EL_BD_NITRO_PACK,
4773   EL_BD_DRAGONFLY_UP,
4774   EL_BD_STONEFLY_UP,
4775   EL_BD_DIAMOND_GLUED,
4776
4777   EL_BD_DRAGONFLY_LEFT,
4778   EL_BD_STONEFLY_LEFT,
4779   EL_BD_DRAGONFLY_RIGHT,
4780   EL_BD_STONEFLY_RIGHT,
4781
4782   EL_BD_NUT,
4783   EL_BD_DRAGONFLY_DOWN,
4784   EL_BD_STONEFLY_DOWN,
4785   EL_EMPTY,
4786
4787   EL_BD_BITER_SWITCH_1,
4788   EL_BD_BITER_UP,
4789   EL_BD_COW_UP,
4790   EL_EMPTY,
4791
4792   EL_BD_BITER_LEFT,
4793   EL_BD_COW_LEFT,
4794   EL_BD_BITER_RIGHT,
4795   EL_BD_COW_RIGHT,
4796
4797   EL_BD_VOODOO_DOLL,
4798   EL_BD_BITER_DOWN,
4799   EL_BD_COW_DOWN,
4800   EL_BD_GHOST,
4801
4802   EL_BD_SAND_GLUED,
4803   EL_BD_SAND_BALL,
4804   EL_BD_SAND_LOOSE,
4805   EL_BD_WALL_NON_SLOPED,
4806
4807   EL_BD_SAND_SLOPED_UP_LEFT,
4808   EL_BD_SAND_SLOPED_UP_RIGHT,
4809   EL_BD_WALL_SLOPED_UP_LEFT,
4810   EL_BD_WALL_SLOPED_UP_RIGHT,
4811
4812   EL_BD_SAND_SLOPED_DOWN_LEFT,
4813   EL_BD_SAND_SLOPED_DOWN_RIGHT,
4814   EL_BD_WALL_SLOPED_DOWN_LEFT,
4815   EL_BD_WALL_SLOPED_DOWN_RIGHT,
4816
4817   EL_BD_FLYING_ROCK,
4818   EL_BD_ROCK_GLUED,
4819   EL_BD_STEELWALL_SLOPED_UP_LEFT,
4820   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
4821
4822   EL_BD_WAITING_ROCK,
4823   EL_BD_CHASING_ROCK,
4824   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
4825   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
4826
4827   EL_BD_MEGA_ROCK,
4828   EL_BD_SWEET,
4829   EL_BD_INVISIBLE_EXIT_CLOSED,
4830   EL_BD_INVISIBLE_EXIT_OPEN,
4831
4832   EL_BD_STEELWALL_EXPLODABLE,
4833   EL_BD_STEELWALL_DIGGABLE,
4834   EL_BD_WALL_DIGGABLE,
4835   EL_BD_FALLING_WALL,
4836
4837   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
4838   EL_BD_EXPANDABLE_WALL_VERTICAL,
4839   EL_BD_EXPANDABLE_WALL_ANY,
4840   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
4841
4842   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
4843   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
4844   EL_BD_EXPANDABLE_STEELWALL_ANY,
4845   EL_BD_CREATURE_SWITCH,
4846
4847   EL_BD_BLADDER,
4848   EL_BD_BLADDER_SPENDER,
4849   EL_BD_REPLICATOR,
4850   EL_BD_REPLICATOR_SWITCH,
4851
4852   EL_BD_CONVEYOR_LEFT,
4853   EL_BD_CONVEYOR_RIGHT,
4854   EL_BD_CONVEYOR_SWITCH,
4855   EL_BD_CONVEYOR_DIR_SWITCH_RIGHT,
4856
4857   EL_BD_CLOCK,
4858   EL_BD_TIME_PENALTY,
4859   EL_BD_GRAVESTONE,
4860   EL_BD_SKELETON,
4861
4862   EL_BD_WATER,
4863   EL_BD_ACID,
4864   EL_BD_LAVA,
4865   EL_BD_BOX,
4866
4867   EL_BD_GATE_1,
4868   EL_BD_GATE_2,
4869   EL_BD_GATE_3,
4870   EL_BD_TRAPPED_DIAMOND,
4871
4872   EL_BD_KEY_1,
4873   EL_BD_KEY_2,
4874   EL_BD_KEY_3,
4875   EL_BD_DIAMOND_KEY,
4876
4877   EL_BD_WALL_KEY_1,
4878   EL_BD_WALL_KEY_2,
4879   EL_BD_WALL_KEY_3,
4880   EL_BD_WALL_DIAMOND,
4881
4882   EL_BD_GRAVITY_SWITCH,
4883   EL_BD_PNEUMATIC_HAMMER,
4884   EL_BD_TELEPORTER,
4885   EL_BD_POT,
4886
4887   EL_BD_PLAYER,
4888   EL_BD_PLAYER_WITH_BOMB,
4889   EL_BD_PLAYER_GLUED,
4890   EL_BD_PLAYER_STIRRING,
4891 };
4892 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
4893 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
4894 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
4895 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
4896
4897 static int editor_hl_emerald_mine[] =
4898 {
4899   EL_INTERNAL_CASCADE_EM_ACTIVE,
4900   EL_CHAR('E'),
4901   EL_CHAR('M'),
4902   EL_EMPTY,
4903 };
4904
4905 static int editor_el_emerald_mine[] =
4906 {
4907   EL_SAND,
4908   EL_ROCK,
4909   EL_QUICKSAND_EMPTY,
4910   EL_QUICKSAND_FULL,
4911
4912   EL_STEELWALL,
4913   EL_WALL,
4914   EL_WALL_SLIPPERY,
4915   EL_MAGIC_WALL,
4916
4917   EL_EMERALD,
4918   EL_DIAMOND,
4919   EL_NUT,
4920   EL_BOMB,
4921
4922   EL_EM_DYNAMITE,
4923   EL_EM_DYNAMITE_ACTIVE,
4924   EL_EM_EXIT_CLOSED,
4925   EL_EM_EXIT_OPEN,
4926
4927   EL_YAMYAM_UP,
4928   EL_BUG_UP,
4929   EL_SPACESHIP_UP,
4930   EL_ROBOT,
4931
4932   EL_BUG_LEFT,
4933   EL_SPACESHIP_LEFT,
4934   EL_BUG_RIGHT,
4935   EL_SPACESHIP_RIGHT,
4936
4937   EL_ROBOT_WHEEL,
4938   EL_BUG_DOWN,
4939   EL_SPACESHIP_DOWN,
4940   EL_INVISIBLE_WALL,
4941
4942   EL_ACID_POOL_TOPLEFT,
4943   EL_ACID,
4944   EL_ACID_POOL_TOPRIGHT,
4945   EL_AMOEBA_DROP,
4946
4947   EL_ACID_POOL_BOTTOMLEFT,
4948   EL_ACID_POOL_BOTTOM,
4949   EL_ACID_POOL_BOTTOMRIGHT,
4950   EL_AMOEBA_WET,
4951
4952   EL_EM_KEY_1,
4953   EL_EM_KEY_2,
4954   EL_EM_KEY_3,
4955   EL_EM_KEY_4,
4956
4957   EL_EM_GATE_1,
4958   EL_EM_GATE_2,
4959   EL_EM_GATE_3,
4960   EL_EM_GATE_4,
4961
4962   EL_EM_GATE_1_GRAY,
4963   EL_EM_GATE_2_GRAY,
4964   EL_EM_GATE_3_GRAY,
4965   EL_EM_GATE_4_GRAY,
4966 };
4967 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4968 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4969 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4970 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4971
4972 static int editor_hl_emerald_mine_club[] =
4973 {
4974   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4975   EL_CHAR('E'),
4976   EL_CHAR('M'),
4977   EL_CHAR('C'),
4978 };
4979
4980 static int editor_el_emerald_mine_club[] =
4981 {
4982   EL_EMC_KEY_5,
4983   EL_EMC_KEY_6,
4984   EL_EMC_KEY_7,
4985   EL_EMC_KEY_8,
4986
4987   EL_EMC_GATE_5,
4988   EL_EMC_GATE_6,
4989   EL_EMC_GATE_7,
4990   EL_EMC_GATE_8,
4991
4992   EL_EMC_GATE_5_GRAY,
4993   EL_EMC_GATE_6_GRAY,
4994   EL_EMC_GATE_7_GRAY,
4995   EL_EMC_GATE_8_GRAY,
4996
4997   EL_EMC_STEELWALL_1,
4998   EL_EMC_STEELWALL_2,
4999   EL_EMC_STEELWALL_3,
5000   EL_EMC_STEELWALL_4,
5001
5002   EL_EMC_WALL_13,
5003   EL_EMC_WALL_14,
5004   EL_EMC_WALL_15,
5005   EL_EMC_WALL_16,
5006
5007   EL_EMC_WALL_SLIPPERY_1,
5008   EL_EMC_WALL_SLIPPERY_2,
5009   EL_EMC_WALL_SLIPPERY_3,
5010   EL_EMC_WALL_SLIPPERY_4,
5011
5012   EL_EMC_WALL_1,
5013   EL_EMC_WALL_2,
5014   EL_EMC_WALL_3,
5015   EL_EMC_WALL_4,
5016
5017   EL_EMC_WALL_5,
5018   EL_EMC_WALL_6,
5019   EL_EMC_WALL_7,
5020   EL_EMC_WALL_8,
5021
5022   EL_EMC_WALL_9,
5023   EL_EMC_WALL_10,
5024   EL_EMC_WALL_11,
5025   EL_EMC_WALL_12,
5026
5027   EL_EMC_GRASS,
5028   EL_EMC_FAKE_GRASS,
5029   EL_EMC_PLANT,
5030   EL_EMC_DRIPPER,
5031
5032   EL_EMC_MAGIC_BALL,
5033   EL_EMC_MAGIC_BALL_SWITCH,
5034   EL_EMC_LENSES,
5035   EL_EMC_MAGNIFIER,
5036
5037   EL_SPRING_LEFT,
5038   EL_SPRING,
5039   EL_SPRING_RIGHT,
5040   EL_EMC_SPRING_BUMPER,
5041
5042   EL_BALLOON,
5043   EL_YAMYAM_UP,
5044   EL_BALLOON_SWITCH_UP,
5045   EL_BALLOON_SWITCH_ANY,
5046
5047   EL_YAMYAM_LEFT,
5048   EL_BALLOON_SWITCH_LEFT,
5049   EL_YAMYAM_RIGHT,
5050   EL_BALLOON_SWITCH_RIGHT,
5051
5052   EL_EMC_ANDROID,
5053   EL_YAMYAM_DOWN,
5054   EL_BALLOON_SWITCH_DOWN,
5055   EL_BALLOON_SWITCH_NONE,
5056 };
5057 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5058 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5059 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5060 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5061
5062 static int editor_hl_rnd[] =
5063 {
5064   EL_INTERNAL_CASCADE_RND_ACTIVE,
5065   EL_CHAR('R'),
5066   EL_CHAR('N'),
5067   EL_CHAR('D'),
5068 };
5069
5070 static int editor_el_rnd[] =
5071 {
5072   EL_DYNAMITE,                  // RND
5073   EL_DYNAMITE_ACTIVE,           // RND
5074   EL_EMPTY,
5075   EL_EMPTY,
5076
5077   EL_KEY_1,
5078   EL_KEY_2,
5079   EL_KEY_3,
5080   EL_KEY_4,
5081
5082   EL_GATE_1,
5083   EL_GATE_2,
5084   EL_GATE_3,
5085   EL_GATE_4,
5086
5087   EL_GATE_1_GRAY,
5088   EL_GATE_2_GRAY,
5089   EL_GATE_3_GRAY,
5090   EL_GATE_4_GRAY,
5091
5092   EL_ARROW_LEFT,
5093   EL_ARROW_RIGHT,
5094   EL_ARROW_UP,
5095   EL_ARROW_DOWN,
5096
5097   EL_AMOEBA_DEAD,
5098   EL_AMOEBA_DRY,
5099   EL_AMOEBA_FULL,
5100   EL_GAME_OF_LIFE,
5101
5102   EL_EMERALD_YELLOW,
5103   EL_EMERALD_RED,
5104   EL_EMERALD_PURPLE,
5105   EL_BIOMAZE,
5106
5107   EL_WALL_EMERALD_YELLOW,
5108   EL_WALL_EMERALD_RED,
5109   EL_WALL_EMERALD_PURPLE,
5110   EL_WALL_BD_DIAMOND,
5111
5112   EL_SPEED_PILL,
5113   EL_PACMAN_UP,
5114   EL_TIME_ORB_FULL,
5115   EL_TIME_ORB_EMPTY,
5116
5117   EL_PACMAN_LEFT,
5118   EL_DARK_YAMYAM,
5119   EL_PACMAN_RIGHT,
5120   EL_YAMYAM,                    // RND
5121
5122   EL_BLACK_ORB,
5123   EL_PACMAN_DOWN,
5124   EL_LAMP,
5125   EL_LAMP_ACTIVE,
5126
5127   EL_DYNABOMB_INCREASE_NUMBER,
5128   EL_DYNABOMB_INCREASE_SIZE,
5129   EL_DYNABOMB_INCREASE_POWER,
5130   EL_STONEBLOCK,
5131
5132   EL_MOLE,
5133   EL_PENGUIN,
5134   EL_PIG,
5135   EL_DRAGON,
5136
5137   EL_BUG,
5138   EL_MOLE_UP,
5139   EL_BD_BUTTERFLY,
5140   EL_BD_FIREFLY,
5141
5142   EL_MOLE_LEFT,
5143   EL_SATELLITE,
5144   EL_MOLE_RIGHT,
5145   EL_PACMAN,
5146
5147   EL_SPACESHIP,
5148   EL_MOLE_DOWN,
5149   EL_INVISIBLE_STEELWALL,
5150   EL_INVISIBLE_WALL,
5151
5152   EL_EXPANDABLE_WALL,
5153   EL_EXPANDABLE_WALL_HORIZONTAL,
5154   EL_EXPANDABLE_WALL_VERTICAL,
5155   EL_EXPANDABLE_WALL_ANY,
5156 };
5157 static int *editor_hl_rnd_ptr = editor_hl_rnd;
5158 static int *editor_el_rnd_ptr = editor_el_rnd;
5159 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
5160 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
5161
5162 static int editor_hl_sokoban[] =
5163 {
5164   EL_INTERNAL_CASCADE_SB_ACTIVE,
5165   EL_CHAR('S'),
5166   EL_CHAR('B'),
5167   EL_EMPTY,
5168 };
5169
5170 static int editor_el_sokoban[] =
5171 {
5172   EL_SOKOBAN_OBJECT,
5173   EL_SOKOBAN_FIELD_EMPTY,
5174   EL_SOKOBAN_FIELD_FULL,
5175   EL_SOKOBAN_FIELD_PLAYER,
5176 };
5177 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
5178 static int *editor_el_sokoban_ptr = editor_el_sokoban;
5179 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
5180 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
5181
5182 static int editor_hl_supaplex[] =
5183 {
5184   EL_INTERNAL_CASCADE_SP_ACTIVE,
5185   EL_CHAR('S'),
5186   EL_CHAR('P'),
5187   EL_EMPTY,
5188 };
5189
5190 static int editor_el_supaplex[] =
5191 {
5192   EL_SP_MURPHY,
5193   EL_EMPTY,
5194   EL_SP_BASE,
5195   EL_SP_BUGGY_BASE,
5196
5197   EL_SP_INFOTRON,
5198   EL_SP_ZONK,
5199   EL_SP_SNIKSNAK,
5200   EL_SP_ELECTRON,
5201
5202   EL_SP_DISK_RED,
5203   EL_SP_DISK_ORANGE,
5204   EL_SP_DISK_YELLOW,
5205   EL_SP_TERMINAL,
5206
5207   EL_SP_EXIT_CLOSED,
5208   EL_SP_PORT_HORIZONTAL,
5209   EL_SP_PORT_VERTICAL,
5210   EL_SP_PORT_ANY,
5211
5212   EL_SP_PORT_LEFT,
5213   EL_SP_PORT_RIGHT,
5214   EL_SP_PORT_UP,
5215   EL_SP_PORT_DOWN,
5216
5217   EL_SP_GRAVITY_PORT_LEFT,
5218   EL_SP_GRAVITY_PORT_RIGHT,
5219   EL_SP_GRAVITY_PORT_UP,
5220   EL_SP_GRAVITY_PORT_DOWN,
5221
5222   EL_SP_GRAVITY_ON_PORT_LEFT,
5223   EL_SP_GRAVITY_ON_PORT_RIGHT,
5224   EL_SP_GRAVITY_ON_PORT_UP,
5225   EL_SP_GRAVITY_ON_PORT_DOWN,
5226
5227   EL_SP_GRAVITY_OFF_PORT_LEFT,
5228   EL_SP_GRAVITY_OFF_PORT_RIGHT,
5229   EL_SP_GRAVITY_OFF_PORT_UP,
5230   EL_SP_GRAVITY_OFF_PORT_DOWN,
5231
5232   EL_SP_HARDWARE_GRAY,
5233   EL_SP_HARDWARE_GREEN,
5234   EL_SP_HARDWARE_BLUE,
5235   EL_SP_HARDWARE_RED,
5236
5237   EL_SP_HARDWARE_BASE_1,
5238   EL_SP_HARDWARE_BASE_2,
5239   EL_SP_HARDWARE_BASE_3,
5240   EL_SP_HARDWARE_BASE_4,
5241
5242   EL_SP_HARDWARE_BASE_5,
5243   EL_SP_HARDWARE_BASE_6,
5244   EL_SP_HARDWARE_YELLOW,
5245   EL_SP_CHIP_TOP,
5246
5247   EL_SP_CHIP_SINGLE,
5248   EL_SP_CHIP_LEFT,
5249   EL_SP_CHIP_RIGHT,
5250   EL_SP_CHIP_BOTTOM,
5251 };
5252 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
5253 static int *editor_el_supaplex_ptr = editor_el_supaplex;
5254 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
5255 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
5256
5257 static int editor_hl_diamond_caves[] =
5258 {
5259   EL_INTERNAL_CASCADE_DC_ACTIVE,
5260   EL_CHAR('D'),
5261   EL_CHAR('C'),
5262   EL_CHAR('2'),
5263 };
5264
5265 static int editor_el_diamond_caves[] =
5266 {
5267   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5268   EL_EM_STEEL_EXIT_OPEN,        // DC2
5269   EL_WALL_EMERALD,              // DC2
5270   EL_WALL_DIAMOND,              // DC2
5271
5272   EL_PEARL,
5273   EL_CRYSTAL,
5274   EL_WALL_PEARL,
5275   EL_WALL_CRYSTAL,
5276
5277   EL_CONVEYOR_BELT_1_LEFT,
5278   EL_CONVEYOR_BELT_1_MIDDLE,
5279   EL_CONVEYOR_BELT_1_RIGHT,
5280   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5281
5282   EL_CONVEYOR_BELT_2_LEFT,
5283   EL_CONVEYOR_BELT_2_MIDDLE,
5284   EL_CONVEYOR_BELT_2_RIGHT,
5285   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5286
5287   EL_CONVEYOR_BELT_3_LEFT,
5288   EL_CONVEYOR_BELT_3_MIDDLE,
5289   EL_CONVEYOR_BELT_3_RIGHT,
5290   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5291
5292   EL_CONVEYOR_BELT_4_LEFT,
5293   EL_CONVEYOR_BELT_4_MIDDLE,
5294   EL_CONVEYOR_BELT_4_RIGHT,
5295   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5296
5297   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5298   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5299   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5300   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5301
5302   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5303   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5304   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5305   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5306
5307   EL_TIMEGATE_CLOSED,
5308   EL_TIMEGATE_OPEN,
5309   EL_TIMEGATE_SWITCH,
5310   EL_DC_TIMEGATE_SWITCH,
5311
5312   EL_SWITCHGATE_CLOSED,
5313   EL_SWITCHGATE_OPEN,
5314   EL_SWITCHGATE_SWITCH_UP,
5315   EL_SWITCHGATE_SWITCH_DOWN,
5316
5317   EL_LIGHT_SWITCH,
5318   EL_LIGHT_SWITCH_ACTIVE,
5319   EL_DC_SWITCHGATE_SWITCH_UP,
5320   EL_DC_SWITCHGATE_SWITCH_DOWN,
5321
5322   EL_STEEL_EXIT_CLOSED,
5323   EL_STEEL_EXIT_OPEN,
5324   EL_STEELWALL_SLIPPERY,
5325   EL_INVISIBLE_SAND,
5326
5327   EL_QUICKSAND_FAST_EMPTY,
5328   EL_QUICKSAND_FAST_FULL,
5329   EL_LANDMINE,
5330   EL_DC_LANDMINE,
5331
5332   EL_SHIELD_NORMAL,
5333   EL_SHIELD_DEADLY,
5334   EL_EXTRA_TIME,
5335   EL_DC_MAGIC_WALL,
5336
5337   EL_ENVELOPE_1,
5338   EL_ENVELOPE_2,
5339   EL_ENVELOPE_3,
5340   EL_ENVELOPE_4,
5341
5342   EL_SIGN_RADIOACTIVITY,
5343   EL_SIGN_WHEELCHAIR,
5344   EL_SIGN_PARKING,
5345   EL_SIGN_NO_ENTRY,
5346
5347   EL_SIGN_GIVE_WAY,
5348   EL_SIGN_ENTRY_FORBIDDEN,
5349   EL_SIGN_EMERGENCY_EXIT,
5350   EL_SIGN_YIN_YANG,
5351
5352 #if 0
5353   EL_SIGN_SPERMS,
5354   EL_SIGN_BULLET,
5355   EL_SIGN_HEART,
5356   EL_SIGN_CROSS,
5357
5358   EL_SIGN_FRANKIE,
5359   EL_EMPTY,
5360   EL_EMPTY,
5361   EL_EMPTY,
5362
5363   EL_SPERMS,
5364   EL_BULLET,
5365   EL_HEART,
5366   EL_CROSS,
5367
5368   EL_FRANKIE,
5369   EL_EMPTY,
5370   EL_EMPTY,
5371   EL_EMPTY,
5372 #endif
5373
5374   EL_DC_STEELWALL_2_SINGLE,
5375   EL_DC_STEELWALL_2_TOP,
5376   EL_SIGN_EXCLAMATION,
5377   EL_SIGN_STOP,
5378
5379   EL_DC_STEELWALL_2_LEFT,
5380   EL_DC_STEELWALL_2_MIDDLE,
5381   EL_DC_STEELWALL_2_HORIZONTAL,
5382   EL_DC_STEELWALL_2_RIGHT,
5383
5384   EL_DC_STEELWALL_1_TOPLEFT,
5385   EL_DC_STEELWALL_2_VERTICAL,
5386   EL_DC_STEELWALL_1_TOPRIGHT,
5387   EL_DC_GATE_WHITE,
5388
5389   EL_DC_STEELWALL_1_VERTICAL,
5390   EL_DC_STEELWALL_2_BOTTOM,
5391   EL_DC_KEY_WHITE,
5392   EL_DC_GATE_WHITE_GRAY,
5393
5394   EL_DC_STEELWALL_1_BOTTOMLEFT,
5395   EL_DC_STEELWALL_1_HORIZONTAL,
5396   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5397   EL_DC_GATE_FAKE_GRAY,
5398
5399   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5400   EL_DC_STEELWALL_1_BOTTOM,
5401   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5402   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5403
5404   EL_DC_STEELWALL_1_RIGHT,
5405   EL_EMPTY,
5406   EL_DC_STEELWALL_1_LEFT,
5407   EL_EXPANDABLE_STEELWALL_VERTICAL,
5408
5409   EL_DC_STEELWALL_1_TOPRIGHT_2,
5410   EL_DC_STEELWALL_1_TOP,
5411   EL_DC_STEELWALL_1_TOPLEFT_2,
5412   EL_EXPANDABLE_STEELWALL_ANY,
5413 };
5414 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5415 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5416 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5417 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5418
5419 static int editor_hl_dx_boulderdash[] =
5420 {
5421   EL_INTERNAL_CASCADE_DX_ACTIVE,
5422   EL_CHAR('D'),
5423   EL_CHAR('X'),
5424   EL_EMPTY,
5425 };
5426
5427 static int editor_el_dx_boulderdash[] =
5428 {
5429   EL_EMPTY,
5430   EL_TUBE_RIGHT_DOWN,
5431   EL_TUBE_HORIZONTAL_DOWN,
5432   EL_TUBE_LEFT_DOWN,
5433
5434   EL_TUBE_HORIZONTAL,
5435   EL_TUBE_VERTICAL_RIGHT,
5436   EL_TUBE_ANY,
5437   EL_TUBE_VERTICAL_LEFT,
5438
5439   EL_TUBE_VERTICAL,
5440   EL_TUBE_RIGHT_UP,
5441   EL_TUBE_HORIZONTAL_UP,
5442   EL_TUBE_LEFT_UP,
5443
5444   EL_TRAP,
5445   EL_DX_SUPABOMB,
5446   EL_EMPTY,
5447   EL_EMPTY
5448 };
5449 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5450 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5451 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5452 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5453
5454 static int editor_hl_mirror_magic[] =
5455 {
5456   EL_INTERNAL_CASCADE_MM_ACTIVE,
5457   EL_CHAR('M'),
5458   EL_CHAR('M'),
5459   EL_EMPTY,
5460 };
5461
5462 static int editor_el_mirror_magic[] =
5463 {
5464   EL_MM_MCDUFFIN_RIGHT,
5465   EL_MM_MCDUFFIN_UP,
5466   EL_MM_MCDUFFIN_LEFT,
5467   EL_MM_MCDUFFIN_DOWN,
5468
5469   EL_MM_MIRROR_START,
5470   EL_MM_MIRROR_FIXED_START,
5471   EL_MM_POLARIZER_START,
5472   EL_MM_POLARIZER_CROSS_START,
5473
5474   EL_MM_TELEPORTER_RED_START,
5475   EL_MM_TELEPORTER_YELLOW_START,
5476   EL_MM_TELEPORTER_GREEN_START,
5477   EL_MM_TELEPORTER_BLUE_START,
5478
5479   EL_MM_PRISM,
5480   EL_MM_FUSE_ACTIVE,
5481   EL_MM_PACMAN_RIGHT,
5482   EL_MM_EXIT_CLOSED,
5483
5484   EL_MM_KETTLE,
5485   EL_MM_BOMB,
5486   EL_MM_KEY,
5487   EL_MM_FUEL_FULL,
5488
5489   EL_MM_LIGHTBULB,
5490   EL_MM_LIGHTBULB_ACTIVE,
5491   EL_MM_GRAY_BALL,
5492   EL_MM_LIGHTBALL,
5493
5494   EL_MM_STEEL_WALL,
5495   EL_MM_WOODEN_WALL,
5496   EL_MM_ICE_WALL,
5497   EL_MM_AMOEBA_WALL,
5498
5499   EL_MM_STEEL_LOCK,
5500   EL_MM_WOODEN_LOCK,
5501   EL_MM_STEEL_BLOCK,
5502   EL_MM_WOODEN_BLOCK,
5503
5504   EL_MM_STEEL_GRID_FIXED_1,
5505   EL_MM_STEEL_GRID_FIXED_2,
5506   EL_MM_STEEL_GRID_FIXED_3,
5507   EL_MM_STEEL_GRID_FIXED_4,
5508
5509   EL_MM_WOODEN_GRID_FIXED_1,
5510   EL_MM_WOODEN_GRID_FIXED_2,
5511   EL_MM_WOODEN_GRID_FIXED_3,
5512   EL_MM_WOODEN_GRID_FIXED_4,
5513
5514   EL_MM_ENVELOPE_1,
5515   EL_MM_ENVELOPE_2,
5516   EL_MM_ENVELOPE_3,
5517   EL_MM_ENVELOPE_4
5518 };
5519 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5520 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5521 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5522 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5523
5524 static int editor_hl_deflektor[] =
5525 {
5526   EL_INTERNAL_CASCADE_DF_ACTIVE,
5527   EL_CHAR('D'),
5528   EL_CHAR('F'),
5529   EL_EMPTY,
5530 };
5531
5532 static int editor_el_deflektor[] =
5533 {
5534   EL_DF_LASER_RIGHT,
5535   EL_DF_LASER_UP,
5536   EL_DF_LASER_LEFT,
5537   EL_DF_LASER_DOWN,
5538
5539   EL_DF_RECEIVER_RIGHT,
5540   EL_DF_RECEIVER_UP,
5541   EL_DF_RECEIVER_LEFT,
5542   EL_DF_RECEIVER_DOWN,
5543
5544   EL_DF_MIRROR_START,
5545   EL_DF_MIRROR_ROTATING_START,
5546   EL_DF_MIRROR_FIXED_START,
5547   EL_DF_CELL,
5548
5549   EL_DF_FIBRE_OPTIC_RED_1,
5550   EL_DF_FIBRE_OPTIC_YELLOW_1,
5551   EL_DF_FIBRE_OPTIC_GREEN_1,
5552   EL_DF_FIBRE_OPTIC_BLUE_1,
5553
5554   EL_DF_STEEL_GRID_FIXED_START,
5555   EL_DF_STEEL_GRID_ROTATING_START,
5556   EL_DF_WOODEN_GRID_FIXED_START,
5557   EL_DF_WOODEN_GRID_ROTATING_START,
5558
5559   EL_DF_STEEL_WALL,
5560   EL_DF_WOODEN_WALL,
5561   EL_DF_REFRACTOR,
5562   EL_DF_MINE,
5563
5564   EL_DF_SLOPE_1,
5565   EL_DF_SLOPE_2,
5566   EL_DF_SLOPE_3,
5567   EL_DF_SLOPE_4
5568 };
5569 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5570 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5571 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5572 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5573
5574 static int editor_hl_chars[] =
5575 {
5576   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5577   EL_CHAR('T'),
5578   EL_CHAR('X'),
5579   EL_CHAR('T'),
5580 };
5581
5582 static int editor_el_chars[] =
5583 {
5584   EL_CHAR(' '),
5585   EL_CHAR('!'),
5586   EL_CHAR('"'),
5587   EL_CHAR('#'),
5588
5589   EL_CHAR('$'),
5590   EL_CHAR('%'),
5591   EL_CHAR('&'),
5592   EL_CHAR('\''),
5593
5594   EL_CHAR('('),
5595   EL_CHAR(')'),
5596   EL_CHAR('*'),
5597   EL_CHAR('+'),
5598
5599   EL_CHAR(','),
5600   EL_CHAR('-'),
5601   EL_CHAR('.'),
5602   EL_CHAR('/'),
5603
5604   EL_CHAR('0'),
5605   EL_CHAR('1'),
5606   EL_CHAR('2'),
5607   EL_CHAR('3'),
5608
5609   EL_CHAR('4'),
5610   EL_CHAR('5'),
5611   EL_CHAR('6'),
5612   EL_CHAR('7'),
5613
5614   EL_CHAR('8'),
5615   EL_CHAR('9'),
5616   EL_CHAR(':'),
5617   EL_CHAR(';'),
5618
5619   EL_CHAR('<'),
5620   EL_CHAR('='),
5621   EL_CHAR('>'),
5622   EL_CHAR('?'),
5623
5624   EL_CHAR('@'),
5625   EL_CHAR('A'),
5626   EL_CHAR('B'),
5627   EL_CHAR('C'),
5628
5629   EL_CHAR('D'),
5630   EL_CHAR('E'),
5631   EL_CHAR('F'),
5632   EL_CHAR('G'),
5633
5634   EL_CHAR('H'),
5635   EL_CHAR('I'),
5636   EL_CHAR('J'),
5637   EL_CHAR('K'),
5638
5639   EL_CHAR('L'),
5640   EL_CHAR('M'),
5641   EL_CHAR('N'),
5642   EL_CHAR('O'),
5643
5644   EL_CHAR('P'),
5645   EL_CHAR('Q'),
5646   EL_CHAR('R'),
5647   EL_CHAR('S'),
5648
5649   EL_CHAR('T'),
5650   EL_CHAR('U'),
5651   EL_CHAR('V'),
5652   EL_CHAR('W'),
5653
5654   EL_CHAR('X'),
5655   EL_CHAR('Y'),
5656   EL_CHAR('Z'),
5657   EL_CHAR('['),
5658
5659   EL_CHAR('\\'),
5660   EL_CHAR(']'),
5661   EL_CHAR('^'),
5662   EL_CHAR('_'),
5663
5664   EL_CHAR(CHAR_BYTE_COPYRIGHT),
5665   EL_CHAR(CHAR_BYTE_UMLAUT_A),
5666   EL_CHAR(CHAR_BYTE_UMLAUT_O),
5667   EL_CHAR(CHAR_BYTE_UMLAUT_U),
5668
5669   EL_CHAR(CHAR_BYTE_DEGREE),
5670   EL_CHAR(CHAR_BYTE_REGISTERED),
5671   EL_CHAR(FONT_ASCII_CURSOR),
5672   EL_CHAR(FONT_ASCII_BUTTON),
5673
5674   EL_CHAR(FONT_ASCII_UP),
5675   EL_CHAR(FONT_ASCII_DOWN),
5676   EL_CHAR(' '),
5677   EL_CHAR(' ')
5678 };
5679 static int *editor_hl_chars_ptr = editor_hl_chars;
5680 static int *editor_el_chars_ptr = editor_el_chars;
5681 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
5682 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
5683
5684 static int editor_hl_steel_chars[] =
5685 {
5686   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
5687   EL_STEEL_CHAR('T'),
5688   EL_STEEL_CHAR('X'),
5689   EL_STEEL_CHAR('T'),
5690 };
5691
5692 static int editor_el_steel_chars[] =
5693 {
5694   EL_STEEL_CHAR(' '),
5695   EL_STEEL_CHAR('!'),
5696   EL_STEEL_CHAR('"'),
5697   EL_STEEL_CHAR('#'),
5698
5699   EL_STEEL_CHAR('$'),
5700   EL_STEEL_CHAR('%'),
5701   EL_STEEL_CHAR('&'),
5702   EL_STEEL_CHAR('\''),
5703
5704   EL_STEEL_CHAR('('),
5705   EL_STEEL_CHAR(')'),
5706   EL_STEEL_CHAR('*'),
5707   EL_STEEL_CHAR('+'),
5708
5709   EL_STEEL_CHAR(','),
5710   EL_STEEL_CHAR('-'),
5711   EL_STEEL_CHAR('.'),
5712   EL_STEEL_CHAR('/'),
5713
5714   EL_STEEL_CHAR('0'),
5715   EL_STEEL_CHAR('1'),
5716   EL_STEEL_CHAR('2'),
5717   EL_STEEL_CHAR('3'),
5718
5719   EL_STEEL_CHAR('4'),
5720   EL_STEEL_CHAR('5'),
5721   EL_STEEL_CHAR('6'),
5722   EL_STEEL_CHAR('7'),
5723
5724   EL_STEEL_CHAR('8'),
5725   EL_STEEL_CHAR('9'),
5726   EL_STEEL_CHAR(':'),
5727   EL_STEEL_CHAR(';'),
5728
5729   EL_STEEL_CHAR('<'),
5730   EL_STEEL_CHAR('='),
5731   EL_STEEL_CHAR('>'),
5732   EL_STEEL_CHAR('?'),
5733
5734   EL_STEEL_CHAR('@'),
5735   EL_STEEL_CHAR('A'),
5736   EL_STEEL_CHAR('B'),
5737   EL_STEEL_CHAR('C'),
5738
5739   EL_STEEL_CHAR('D'),
5740   EL_STEEL_CHAR('E'),
5741   EL_STEEL_CHAR('F'),
5742   EL_STEEL_CHAR('G'),
5743
5744   EL_STEEL_CHAR('H'),
5745   EL_STEEL_CHAR('I'),
5746   EL_STEEL_CHAR('J'),
5747   EL_STEEL_CHAR('K'),
5748
5749   EL_STEEL_CHAR('L'),
5750   EL_STEEL_CHAR('M'),
5751   EL_STEEL_CHAR('N'),
5752   EL_STEEL_CHAR('O'),
5753
5754   EL_STEEL_CHAR('P'),
5755   EL_STEEL_CHAR('Q'),
5756   EL_STEEL_CHAR('R'),
5757   EL_STEEL_CHAR('S'),
5758
5759   EL_STEEL_CHAR('T'),
5760   EL_STEEL_CHAR('U'),
5761   EL_STEEL_CHAR('V'),
5762   EL_STEEL_CHAR('W'),
5763
5764   EL_STEEL_CHAR('X'),
5765   EL_STEEL_CHAR('Y'),
5766   EL_STEEL_CHAR('Z'),
5767   EL_STEEL_CHAR('['),
5768
5769   EL_STEEL_CHAR('\\'),
5770   EL_STEEL_CHAR(']'),
5771   EL_STEEL_CHAR('^'),
5772   EL_STEEL_CHAR('_'),
5773
5774   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
5775   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
5776   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
5777   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
5778
5779   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
5780   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
5781   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
5782   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
5783
5784   EL_STEEL_CHAR(FONT_ASCII_UP),
5785   EL_STEEL_CHAR(FONT_ASCII_DOWN),
5786   EL_STEEL_CHAR(' '),
5787   EL_STEEL_CHAR(' ')
5788 };
5789 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
5790 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
5791 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
5792 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
5793
5794 static int editor_hl_custom[] =
5795 {
5796   EL_INTERNAL_CASCADE_CE_ACTIVE,
5797   EL_CHAR('C'),
5798   EL_CHAR('E'),
5799   EL_EMPTY,
5800 };
5801
5802 static int editor_el_custom[] =
5803 {
5804   EL_CUSTOM_START + 0,
5805   EL_CUSTOM_START + 1,
5806   EL_CUSTOM_START + 2,
5807   EL_CUSTOM_START + 3,
5808
5809   EL_CUSTOM_START + 4,
5810   EL_CUSTOM_START + 5,
5811   EL_CUSTOM_START + 6,
5812   EL_CUSTOM_START + 7,
5813
5814   EL_CUSTOM_START + 8,
5815   EL_CUSTOM_START + 9,
5816   EL_CUSTOM_START + 10,
5817   EL_CUSTOM_START + 11,
5818
5819   EL_CUSTOM_START + 12,
5820   EL_CUSTOM_START + 13,
5821   EL_CUSTOM_START + 14,
5822   EL_CUSTOM_START + 15,
5823
5824   EL_CUSTOM_START + 16,
5825   EL_CUSTOM_START + 17,
5826   EL_CUSTOM_START + 18,
5827   EL_CUSTOM_START + 19,
5828
5829   EL_CUSTOM_START + 20,
5830   EL_CUSTOM_START + 21,
5831   EL_CUSTOM_START + 22,
5832   EL_CUSTOM_START + 23,
5833
5834   EL_CUSTOM_START + 24,
5835   EL_CUSTOM_START + 25,
5836   EL_CUSTOM_START + 26,
5837   EL_CUSTOM_START + 27,
5838
5839   EL_CUSTOM_START + 28,
5840   EL_CUSTOM_START + 29,
5841   EL_CUSTOM_START + 30,
5842   EL_CUSTOM_START + 31,
5843
5844   EL_CUSTOM_START + 32,
5845   EL_CUSTOM_START + 33,
5846   EL_CUSTOM_START + 34,
5847   EL_CUSTOM_START + 35,
5848
5849   EL_CUSTOM_START + 36,
5850   EL_CUSTOM_START + 37,
5851   EL_CUSTOM_START + 38,
5852   EL_CUSTOM_START + 39,
5853
5854   EL_CUSTOM_START + 40,
5855   EL_CUSTOM_START + 41,
5856   EL_CUSTOM_START + 42,
5857   EL_CUSTOM_START + 43,
5858
5859   EL_CUSTOM_START + 44,
5860   EL_CUSTOM_START + 45,
5861   EL_CUSTOM_START + 46,
5862   EL_CUSTOM_START + 47,
5863
5864   EL_CUSTOM_START + 48,
5865   EL_CUSTOM_START + 49,
5866   EL_CUSTOM_START + 50,
5867   EL_CUSTOM_START + 51,
5868
5869   EL_CUSTOM_START + 52,
5870   EL_CUSTOM_START + 53,
5871   EL_CUSTOM_START + 54,
5872   EL_CUSTOM_START + 55,
5873
5874   EL_CUSTOM_START + 56,
5875   EL_CUSTOM_START + 57,
5876   EL_CUSTOM_START + 58,
5877   EL_CUSTOM_START + 59,
5878
5879   EL_CUSTOM_START + 60,
5880   EL_CUSTOM_START + 61,
5881   EL_CUSTOM_START + 62,
5882   EL_CUSTOM_START + 63,
5883
5884   EL_CUSTOM_START + 64,
5885   EL_CUSTOM_START + 65,
5886   EL_CUSTOM_START + 66,
5887   EL_CUSTOM_START + 67,
5888
5889   EL_CUSTOM_START + 68,
5890   EL_CUSTOM_START + 69,
5891   EL_CUSTOM_START + 70,
5892   EL_CUSTOM_START + 71,
5893
5894   EL_CUSTOM_START + 72,
5895   EL_CUSTOM_START + 73,
5896   EL_CUSTOM_START + 74,
5897   EL_CUSTOM_START + 75,
5898
5899   EL_CUSTOM_START + 76,
5900   EL_CUSTOM_START + 77,
5901   EL_CUSTOM_START + 78,
5902   EL_CUSTOM_START + 79,
5903
5904   EL_CUSTOM_START + 80,
5905   EL_CUSTOM_START + 81,
5906   EL_CUSTOM_START + 82,
5907   EL_CUSTOM_START + 83,
5908
5909   EL_CUSTOM_START + 84,
5910   EL_CUSTOM_START + 85,
5911   EL_CUSTOM_START + 86,
5912   EL_CUSTOM_START + 87,
5913
5914   EL_CUSTOM_START + 88,
5915   EL_CUSTOM_START + 89,
5916   EL_CUSTOM_START + 90,
5917   EL_CUSTOM_START + 91,
5918
5919   EL_CUSTOM_START + 92,
5920   EL_CUSTOM_START + 93,
5921   EL_CUSTOM_START + 94,
5922   EL_CUSTOM_START + 95,
5923
5924   EL_CUSTOM_START + 96,
5925   EL_CUSTOM_START + 97,
5926   EL_CUSTOM_START + 98,
5927   EL_CUSTOM_START + 99,
5928
5929   EL_CUSTOM_START + 100,
5930   EL_CUSTOM_START + 101,
5931   EL_CUSTOM_START + 102,
5932   EL_CUSTOM_START + 103,
5933
5934   EL_CUSTOM_START + 104,
5935   EL_CUSTOM_START + 105,
5936   EL_CUSTOM_START + 106,
5937   EL_CUSTOM_START + 107,
5938
5939   EL_CUSTOM_START + 108,
5940   EL_CUSTOM_START + 109,
5941   EL_CUSTOM_START + 110,
5942   EL_CUSTOM_START + 111,
5943
5944   EL_CUSTOM_START + 112,
5945   EL_CUSTOM_START + 113,
5946   EL_CUSTOM_START + 114,
5947   EL_CUSTOM_START + 115,
5948
5949   EL_CUSTOM_START + 116,
5950   EL_CUSTOM_START + 117,
5951   EL_CUSTOM_START + 118,
5952   EL_CUSTOM_START + 119,
5953
5954   EL_CUSTOM_START + 120,
5955   EL_CUSTOM_START + 121,
5956   EL_CUSTOM_START + 122,
5957   EL_CUSTOM_START + 123,
5958
5959   EL_CUSTOM_START + 124,
5960   EL_CUSTOM_START + 125,
5961   EL_CUSTOM_START + 126,
5962   EL_CUSTOM_START + 127,
5963
5964   EL_CUSTOM_START + 128,
5965   EL_CUSTOM_START + 129,
5966   EL_CUSTOM_START + 130,
5967   EL_CUSTOM_START + 131,
5968
5969   EL_CUSTOM_START + 132,
5970   EL_CUSTOM_START + 133,
5971   EL_CUSTOM_START + 134,
5972   EL_CUSTOM_START + 135,
5973
5974   EL_CUSTOM_START + 136,
5975   EL_CUSTOM_START + 137,
5976   EL_CUSTOM_START + 138,
5977   EL_CUSTOM_START + 139,
5978
5979   EL_CUSTOM_START + 140,
5980   EL_CUSTOM_START + 141,
5981   EL_CUSTOM_START + 142,
5982   EL_CUSTOM_START + 143,
5983
5984   EL_CUSTOM_START + 144,
5985   EL_CUSTOM_START + 145,
5986   EL_CUSTOM_START + 146,
5987   EL_CUSTOM_START + 147,
5988
5989   EL_CUSTOM_START + 148,
5990   EL_CUSTOM_START + 149,
5991   EL_CUSTOM_START + 150,
5992   EL_CUSTOM_START + 151,
5993
5994   EL_CUSTOM_START + 152,
5995   EL_CUSTOM_START + 153,
5996   EL_CUSTOM_START + 154,
5997   EL_CUSTOM_START + 155,
5998
5999   EL_CUSTOM_START + 156,
6000   EL_CUSTOM_START + 157,
6001   EL_CUSTOM_START + 158,
6002   EL_CUSTOM_START + 159,
6003
6004   EL_CUSTOM_START + 160,
6005   EL_CUSTOM_START + 161,
6006   EL_CUSTOM_START + 162,
6007   EL_CUSTOM_START + 163,
6008
6009   EL_CUSTOM_START + 164,
6010   EL_CUSTOM_START + 165,
6011   EL_CUSTOM_START + 166,
6012   EL_CUSTOM_START + 167,
6013
6014   EL_CUSTOM_START + 168,
6015   EL_CUSTOM_START + 169,
6016   EL_CUSTOM_START + 170,
6017   EL_CUSTOM_START + 171,
6018
6019   EL_CUSTOM_START + 172,
6020   EL_CUSTOM_START + 173,
6021   EL_CUSTOM_START + 174,
6022   EL_CUSTOM_START + 175,
6023
6024   EL_CUSTOM_START + 176,
6025   EL_CUSTOM_START + 177,
6026   EL_CUSTOM_START + 178,
6027   EL_CUSTOM_START + 179,
6028
6029   EL_CUSTOM_START + 180,
6030   EL_CUSTOM_START + 181,
6031   EL_CUSTOM_START + 182,
6032   EL_CUSTOM_START + 183,
6033
6034   EL_CUSTOM_START + 184,
6035   EL_CUSTOM_START + 185,
6036   EL_CUSTOM_START + 186,
6037   EL_CUSTOM_START + 187,
6038
6039   EL_CUSTOM_START + 188,
6040   EL_CUSTOM_START + 189,
6041   EL_CUSTOM_START + 190,
6042   EL_CUSTOM_START + 191,
6043
6044   EL_CUSTOM_START + 192,
6045   EL_CUSTOM_START + 193,
6046   EL_CUSTOM_START + 194,
6047   EL_CUSTOM_START + 195,
6048
6049   EL_CUSTOM_START + 196,
6050   EL_CUSTOM_START + 197,
6051   EL_CUSTOM_START + 198,
6052   EL_CUSTOM_START + 199,
6053
6054   EL_CUSTOM_START + 200,
6055   EL_CUSTOM_START + 201,
6056   EL_CUSTOM_START + 202,
6057   EL_CUSTOM_START + 203,
6058
6059   EL_CUSTOM_START + 204,
6060   EL_CUSTOM_START + 205,
6061   EL_CUSTOM_START + 206,
6062   EL_CUSTOM_START + 207,
6063
6064   EL_CUSTOM_START + 208,
6065   EL_CUSTOM_START + 209,
6066   EL_CUSTOM_START + 210,
6067   EL_CUSTOM_START + 211,
6068
6069   EL_CUSTOM_START + 212,
6070   EL_CUSTOM_START + 213,
6071   EL_CUSTOM_START + 214,
6072   EL_CUSTOM_START + 215,
6073
6074   EL_CUSTOM_START + 216,
6075   EL_CUSTOM_START + 217,
6076   EL_CUSTOM_START + 218,
6077   EL_CUSTOM_START + 219,
6078
6079   EL_CUSTOM_START + 220,
6080   EL_CUSTOM_START + 221,
6081   EL_CUSTOM_START + 222,
6082   EL_CUSTOM_START + 223,
6083
6084   EL_CUSTOM_START + 224,
6085   EL_CUSTOM_START + 225,
6086   EL_CUSTOM_START + 226,
6087   EL_CUSTOM_START + 227,
6088
6089   EL_CUSTOM_START + 228,
6090   EL_CUSTOM_START + 229,
6091   EL_CUSTOM_START + 230,
6092   EL_CUSTOM_START + 231,
6093
6094   EL_CUSTOM_START + 232,
6095   EL_CUSTOM_START + 233,
6096   EL_CUSTOM_START + 234,
6097   EL_CUSTOM_START + 235,
6098
6099   EL_CUSTOM_START + 236,
6100   EL_CUSTOM_START + 237,
6101   EL_CUSTOM_START + 238,
6102   EL_CUSTOM_START + 239,
6103
6104   EL_CUSTOM_START + 240,
6105   EL_CUSTOM_START + 241,
6106   EL_CUSTOM_START + 242,
6107   EL_CUSTOM_START + 243,
6108
6109   EL_CUSTOM_START + 244,
6110   EL_CUSTOM_START + 245,
6111   EL_CUSTOM_START + 246,
6112   EL_CUSTOM_START + 247,
6113
6114   EL_CUSTOM_START + 248,
6115   EL_CUSTOM_START + 249,
6116   EL_CUSTOM_START + 250,
6117   EL_CUSTOM_START + 251,
6118
6119   EL_CUSTOM_START + 252,
6120   EL_CUSTOM_START + 253,
6121   EL_CUSTOM_START + 254,
6122   EL_CUSTOM_START + 255
6123 };
6124 static int *editor_hl_custom_ptr = editor_hl_custom;
6125 static int *editor_el_custom_ptr = editor_el_custom;
6126 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
6127 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
6128
6129 static int editor_hl_group[] =
6130 {
6131   EL_INTERNAL_CASCADE_GE_ACTIVE,
6132   EL_CHAR('G'),
6133   EL_CHAR('E'),
6134   EL_EMPTY,
6135 };
6136
6137 static int editor_el_group[] =
6138 {
6139   EL_GROUP_START + 0,
6140   EL_GROUP_START + 1,
6141   EL_GROUP_START + 2,
6142   EL_GROUP_START + 3,
6143
6144   EL_GROUP_START + 4,
6145   EL_GROUP_START + 5,
6146   EL_GROUP_START + 6,
6147   EL_GROUP_START + 7,
6148
6149   EL_GROUP_START + 8,
6150   EL_GROUP_START + 9,
6151   EL_GROUP_START + 10,
6152   EL_GROUP_START + 11,
6153
6154   EL_GROUP_START + 12,
6155   EL_GROUP_START + 13,
6156   EL_GROUP_START + 14,
6157   EL_GROUP_START + 15,
6158
6159   EL_GROUP_START + 16,
6160   EL_GROUP_START + 17,
6161   EL_GROUP_START + 18,
6162   EL_GROUP_START + 19,
6163
6164   EL_GROUP_START + 20,
6165   EL_GROUP_START + 21,
6166   EL_GROUP_START + 22,
6167   EL_GROUP_START + 23,
6168
6169   EL_GROUP_START + 24,
6170   EL_GROUP_START + 25,
6171   EL_GROUP_START + 26,
6172   EL_GROUP_START + 27,
6173
6174   EL_GROUP_START + 28,
6175   EL_GROUP_START + 29,
6176   EL_GROUP_START + 30,
6177   EL_GROUP_START + 31
6178 };
6179 static int *editor_hl_group_ptr = editor_hl_group;
6180 static int *editor_el_group_ptr = editor_el_group;
6181 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
6182 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
6183
6184 static int editor_hl_empty_space[] =
6185 {
6186   EL_INTERNAL_CASCADE_ES_ACTIVE,
6187   EL_CHAR('E'),
6188   EL_CHAR('S'),
6189   EL_EMPTY,
6190 };
6191
6192 static int editor_el_empty_space[] =
6193 {
6194   EL_EMPTY_SPACE_1,
6195   EL_EMPTY_SPACE_2,
6196   EL_EMPTY_SPACE_3,
6197   EL_EMPTY_SPACE_4,
6198
6199   EL_EMPTY_SPACE_5,
6200   EL_EMPTY_SPACE_6,
6201   EL_EMPTY_SPACE_7,
6202   EL_EMPTY_SPACE_8,
6203
6204   EL_EMPTY_SPACE_9,
6205   EL_EMPTY_SPACE_10,
6206   EL_EMPTY_SPACE_11,
6207   EL_EMPTY_SPACE_12,
6208
6209   EL_EMPTY_SPACE_13,
6210   EL_EMPTY_SPACE_14,
6211   EL_EMPTY_SPACE_15,
6212   EL_EMPTY_SPACE_16
6213 };
6214 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
6215 static int *editor_el_empty_space_ptr = editor_el_empty_space;
6216 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
6217 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
6218
6219 static int editor_hl_reference[] =
6220 {
6221   EL_INTERNAL_CASCADE_REF_ACTIVE,
6222   EL_CHAR('R'),
6223   EL_CHAR('E'),
6224   EL_CHAR('F')
6225 };
6226
6227 static int editor_el_reference[] =
6228 {
6229   EL_TRIGGER_PLAYER,
6230   EL_TRIGGER_ELEMENT,
6231   EL_TRIGGER_CE_VALUE,
6232   EL_TRIGGER_CE_SCORE,
6233
6234   EL_SELF,
6235   EL_ANY_ELEMENT,
6236   EL_CURRENT_CE_VALUE,
6237   EL_CURRENT_CE_SCORE,
6238
6239   EL_PREV_CE_8,
6240   EL_PREV_CE_7,
6241   EL_PREV_CE_6,
6242   EL_PREV_CE_5,
6243
6244   EL_PREV_CE_4,
6245   EL_PREV_CE_3,
6246   EL_PREV_CE_2,
6247   EL_PREV_CE_1,
6248
6249   EL_NEXT_CE_1,
6250   EL_NEXT_CE_2,
6251   EL_NEXT_CE_3,
6252   EL_NEXT_CE_4,
6253
6254   EL_NEXT_CE_5,
6255   EL_NEXT_CE_6,
6256   EL_NEXT_CE_7,
6257   EL_NEXT_CE_8,
6258 };
6259 static int *editor_hl_reference_ptr = editor_hl_reference;
6260 static int *editor_el_reference_ptr = editor_el_reference;
6261 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6262 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6263
6264 static int editor_hl_user_defined[] =
6265 {
6266   EL_INTERNAL_CASCADE_USER_ACTIVE,
6267   EL_CHAR('M'),
6268   EL_CHAR('Y'),
6269   EL_EMPTY,
6270 };
6271
6272 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6273 static int *editor_el_user_defined_ptr = NULL;
6274 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6275 static int num_editor_el_user_defined = 0;
6276
6277 static int editor_hl_dynamic[] =
6278 {
6279   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6280   EL_CHAR('U'),
6281   EL_CHAR('S'),
6282   EL_CHAR('E'),
6283 };
6284
6285 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6286 static int *editor_el_dynamic_ptr = NULL;
6287 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6288 static int num_editor_el_dynamic = 0;
6289
6290 static int editor_hl_empty[] = { EL_EMPTY };
6291 static int *editor_el_empty = NULL;     // dynamically allocated
6292
6293 static int *editor_hl_empty_ptr = editor_hl_empty;
6294 static int *editor_el_empty_ptr = NULL;
6295 static int num_editor_hl_empty = 0;
6296 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6297
6298 static boolean use_el_empty = FALSE;
6299
6300 static int *editor_elements = NULL;     // dynamically allocated
6301 static int num_editor_elements = 0;     // dynamically determined
6302
6303 static boolean setup_editor_cascade_never = FALSE;
6304
6305 static boolean setup_editor_el_players                  = TRUE;
6306 static boolean setup_editor_el_boulderdash              = TRUE;
6307 static boolean setup_editor_el_boulderdash_native       = TRUE;
6308 static boolean setup_editor_el_emerald_mine             = TRUE;
6309 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6310 static boolean setup_editor_el_more                     = TRUE;
6311 static boolean setup_editor_el_sokoban                  = TRUE;
6312 static boolean setup_editor_el_supaplex                 = TRUE;
6313 static boolean setup_editor_el_diamond_caves            = TRUE;
6314 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6315 static boolean setup_editor_el_mirror_magic             = TRUE;
6316 static boolean setup_editor_el_deflektor                = TRUE;
6317 static boolean setup_editor_el_chars                    = TRUE;
6318 static boolean setup_editor_el_steel_chars              = TRUE;
6319 static boolean setup_editor_el_custom                   = TRUE;
6320 static boolean setup_editor_el_user_defined             = TRUE;
6321 static boolean setup_editor_el_dynamic                  = TRUE;
6322
6323 static int editor_hl_unused[] = { EL_EMPTY };
6324 static int *editor_hl_unused_ptr = editor_hl_unused;
6325 static int num_editor_hl_unused = 0;
6326
6327 static struct
6328 {
6329   boolean *setup_value;
6330   boolean *setup_cascade_value;
6331
6332   int **headline_list;
6333   int *headline_list_size;
6334
6335   int **element_list;
6336   int *element_list_size;
6337
6338   boolean last_setup_value;
6339 }
6340 editor_elements_info[] =
6341 {
6342   {
6343     &setup_editor_el_players,
6344     &setup_editor_cascade_never,
6345     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6346     &editor_el_players_ptr,             &num_editor_el_players
6347   },
6348   {
6349     &setup_editor_el_boulderdash,
6350     &setup.editor_cascade.el_bd,
6351     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6352     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6353   },
6354   {
6355     &setup_editor_el_boulderdash_native,
6356     &setup.editor_cascade.el_bd_native,
6357     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6358     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6359   },
6360   {
6361     &setup_editor_el_emerald_mine,
6362     &setup.editor_cascade.el_em,
6363     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6364     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6365   },
6366   {
6367     &setup_editor_el_emerald_mine_club,
6368     &setup.editor_cascade.el_emc,
6369     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6370     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6371   },
6372   {
6373     &setup_editor_el_more,
6374     &setup.editor_cascade.el_rnd,
6375     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6376     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6377   },
6378   {
6379     &setup_editor_el_sokoban,
6380     &setup.editor_cascade.el_sb,
6381     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6382     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6383   },
6384   {
6385     &setup_editor_el_supaplex,
6386     &setup.editor_cascade.el_sp,
6387     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6388     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6389   },
6390   {
6391     &setup_editor_el_diamond_caves,
6392     &setup.editor_cascade.el_dc,
6393     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6394     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6395   },
6396   {
6397     &setup_editor_el_dx_boulderdash,
6398     &setup.editor_cascade.el_dx,
6399     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6400     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6401   },
6402   {
6403     &setup_editor_el_mirror_magic,
6404     &setup.editor_cascade.el_mm,
6405     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6406     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6407   },
6408   {
6409     &setup_editor_el_deflektor,
6410     &setup.editor_cascade.el_df,
6411     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6412     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6413   },
6414   {
6415     &setup_editor_el_chars,
6416     &setup.editor_cascade.el_chars,
6417     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6418     &editor_el_chars_ptr,               &num_editor_el_chars
6419   },
6420   {
6421     &setup_editor_el_steel_chars,
6422     &setup.editor_cascade.el_steel_chars,
6423     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6424     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6425   },
6426   {
6427     &setup_editor_el_custom,
6428     &setup.editor_cascade.el_ce,
6429     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6430     &editor_el_custom_ptr,              &num_editor_el_custom
6431   },
6432   {
6433     &setup_editor_el_custom,
6434     &setup.editor_cascade.el_ge,
6435     &editor_hl_group_ptr,               &num_editor_hl_group,
6436     &editor_el_group_ptr,               &num_editor_el_group
6437   },
6438   {
6439     &setup_editor_el_custom,
6440     &setup.editor_cascade.el_es,
6441     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6442     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6443   },
6444   {
6445     &setup_editor_el_custom,
6446     &setup.editor_cascade.el_ref,
6447     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6448     &editor_el_reference_ptr,           &num_editor_el_reference
6449   },
6450   {
6451     &setup_editor_el_user_defined,
6452     &setup.editor_cascade.el_user,
6453     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6454     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6455   },
6456   {
6457     &setup_editor_el_dynamic,
6458     &setup.editor_cascade.el_dynamic,
6459     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6460     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6461   },
6462   {
6463     &use_el_empty,
6464     &use_el_empty,
6465     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6466     &editor_el_empty_ptr,               &num_editor_el_empty,
6467   },
6468   {
6469     NULL,
6470     NULL,
6471     NULL,                               NULL,
6472     NULL,                               NULL
6473   }
6474 };
6475
6476 static struct XY xy_directions[] =
6477 {
6478   { -1,  0 },
6479   { +1,  0 },
6480   {  0, -1 },
6481   {  0, +1 }
6482 };
6483
6484
6485 // ----------------------------------------------------------------------------
6486 // functions
6487 // ----------------------------------------------------------------------------
6488
6489 static int getMaxInfoTextLength(void)
6490 {
6491   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6492 }
6493
6494 static int getTextWidthForGadget(char *text)
6495 {
6496   if (text == NULL)
6497     return 0;
6498
6499   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6500 }
6501
6502 static int getTextWidthForDrawingArea(char *text)
6503 {
6504   if (text == NULL)
6505     return 0;
6506
6507   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
6508 }
6509
6510 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6511 {
6512   return (gi->x + gi->width + getTextWidthForGadget(text));
6513 }
6514
6515 static char *getElementInfoText(int element)
6516 {
6517   char *info_text = NULL;
6518
6519   if (element < MAX_NUM_ELEMENTS)
6520   {
6521     if (strlen(element_info[element].description) > 0)
6522       info_text = element_info[element].description;
6523     else if (element_info[element].custom_description != NULL)
6524       info_text = element_info[element].custom_description;
6525     else if (element_info[element].editor_description != NULL)
6526       info_text = element_info[element].editor_description;
6527   }
6528
6529   if (info_text == NULL)
6530     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6531
6532   return info_text;
6533 }
6534
6535 static char *getElementDescriptionFilenameExt(char *basename)
6536 {
6537   char *elements_subdir = ELEMENTS_DIRECTORY;
6538   static char *elements_subdir2 = NULL;
6539   static char *filename = NULL;
6540
6541   if (elements_subdir2 == NULL)
6542     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6543
6544   checked_free(filename);
6545
6546   // 1st try: look for element description in current level set directory
6547   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6548   if (fileExists(filename))
6549     return filename;
6550
6551   free(filename);
6552
6553   // 2nd try: look for element description in the game's base directory
6554   filename = getPath3(options.docs_directory, elements_subdir, basename);
6555   if (fileExists(filename))
6556     return filename;
6557
6558   return NULL;
6559 }
6560
6561 static char *getElementDescriptionFilename(int element)
6562 {
6563   char basename[MAX_FILENAME_LEN];
6564   char *filename;
6565
6566   // 1st try: look for element description file for exactly this element
6567   sprintf(basename, "%s.txt", element_info[element].token_name);
6568   filename = getElementDescriptionFilenameExt(basename);
6569   if (filename != NULL)
6570     return filename;
6571
6572   // 2nd try: look for element description file for this element's class
6573   sprintf(basename, "%s.txt", element_info[element].class_name);
6574   filename = getElementDescriptionFilenameExt(basename);
6575   if (filename != NULL)
6576     return filename;
6577
6578   // 3rd try: look for generic fallback text file for any element
6579   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6580   if (filename != NULL)
6581     return filename;
6582
6583   return NULL;
6584 }
6585
6586 static boolean suppressBorderElement(void)
6587 {
6588   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6589           lev_fieldx <= MAX_ED_FIELDX &&
6590           lev_fieldy <= MAX_ED_FIELDY);
6591 }
6592
6593 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6594 {
6595   boolean element_found[NUM_FILE_ELEMENTS];
6596   int i, x, y;
6597
6598   // initialize list of used elements to "not used"
6599   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6600     element_found[i] = FALSE;
6601
6602   // find all elements used in current level
6603   for (y = 0; y < lev_fieldy; y++)
6604   {
6605     for (x = 0; x < lev_fieldx; x++)
6606     {
6607       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
6608         continue;
6609
6610       if (IS_MM_WALL(Tile[x][y]))
6611         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
6612       else
6613         element_found[Tile[x][y]] = TRUE;
6614     }
6615   }
6616
6617   *num_elements = 0;
6618
6619   // count number of elements used in current level
6620   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6621     if (element_found[i])
6622       (*num_elements)++;
6623
6624   // add space for up to 3 more elements for padding that may be needed
6625   *num_elements += 3;
6626
6627   // free memory for old list of elements, if needed
6628   checked_free(*elements);
6629
6630   // allocate memory for new list of elements
6631   *elements = checked_malloc(*num_elements * sizeof(int));
6632
6633   *num_elements = 0;
6634
6635   // add all elements used in current level (non-custom/group/empty elements)
6636   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6637     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
6638                               IS_GROUP_ELEMENT(i) ||
6639                               IS_EMPTY_ELEMENT(i)))
6640       (*elements)[(*num_elements)++] = i;
6641
6642   // add all elements used in current level (custom/group/empty elements)
6643   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6644     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
6645                              IS_GROUP_ELEMENT(i) ||
6646                              IS_EMPTY_ELEMENT(i)))
6647       (*elements)[(*num_elements)++] = i;
6648
6649   while (*num_elements % 4)     // pad with empty elements, if needed
6650     (*elements)[(*num_elements)++] = EL_EMPTY;
6651 }
6652
6653 static void ReinitializeElementList_EnableSections(void)
6654 {
6655   // default: enable all element sections
6656
6657   setup_editor_el_players               = TRUE;
6658   setup_editor_el_boulderdash           = TRUE;
6659   setup_editor_el_boulderdash_native    = TRUE;
6660   setup_editor_el_emerald_mine          = TRUE;
6661   setup_editor_el_emerald_mine_club     = TRUE;
6662   setup_editor_el_more                  = TRUE;
6663   setup_editor_el_sokoban               = TRUE;
6664   setup_editor_el_supaplex              = TRUE;
6665   setup_editor_el_diamond_caves         = TRUE;
6666   setup_editor_el_dx_boulderdash        = TRUE;
6667   setup_editor_el_mirror_magic          = TRUE;
6668   setup_editor_el_deflektor             = TRUE;
6669   setup_editor_el_chars                 = TRUE;
6670   setup_editor_el_steel_chars           = TRUE;
6671
6672   setup_editor_el_custom                = TRUE;
6673   setup_editor_el_user_defined          = TRUE;
6674   setup_editor_el_dynamic               = TRUE;
6675
6676   // now disable all element sections not to be displayed
6677
6678   if (!setup.editor.el_classic)
6679   {
6680     setup_editor_el_players             = FALSE;
6681     setup_editor_el_boulderdash         = FALSE;
6682     setup_editor_el_boulderdash_native  = FALSE;
6683     setup_editor_el_emerald_mine        = FALSE;
6684     setup_editor_el_emerald_mine_club   = FALSE;
6685     setup_editor_el_more                = FALSE;
6686     setup_editor_el_sokoban             = FALSE;
6687     setup_editor_el_supaplex            = FALSE;
6688     setup_editor_el_diamond_caves       = FALSE;
6689     setup_editor_el_dx_boulderdash      = FALSE;
6690     setup_editor_el_mirror_magic        = FALSE;
6691     setup_editor_el_deflektor           = FALSE;
6692     setup_editor_el_chars               = FALSE;
6693     setup_editor_el_steel_chars         = FALSE;
6694   }
6695
6696   if (!setup.editor.el_custom)
6697   {
6698     setup_editor_el_custom              = FALSE;
6699   }
6700
6701   if (!setup.editor.el_user_defined)
6702   {
6703     setup_editor_el_user_defined        = FALSE;
6704   }
6705
6706   if (!setup.editor.el_dynamic)
6707   {
6708     setup_editor_el_dynamic             = FALSE;
6709   }
6710
6711   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
6712   {
6713     setup_editor_el_boulderdash_native  = FALSE;
6714     setup_editor_el_mirror_magic        = FALSE;
6715     setup_editor_el_deflektor           = FALSE;
6716   }
6717   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
6718   {
6719     setup_editor_el_players             = FALSE;
6720     setup_editor_el_boulderdash         = FALSE;
6721     setup_editor_el_emerald_mine        = FALSE;
6722     setup_editor_el_emerald_mine_club   = FALSE;
6723     setup_editor_el_more                = FALSE;
6724     setup_editor_el_sokoban             = FALSE;
6725     setup_editor_el_supaplex            = FALSE;
6726     setup_editor_el_diamond_caves       = FALSE;
6727     setup_editor_el_dx_boulderdash      = FALSE;
6728     setup_editor_el_mirror_magic        = FALSE;
6729     setup_editor_el_deflektor           = FALSE;
6730     setup_editor_el_chars               = FALSE;
6731     setup_editor_el_steel_chars         = FALSE;
6732
6733     setup_editor_el_custom              = FALSE;
6734   }
6735   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
6736   {
6737     setup_editor_el_boulderdash         = FALSE;
6738     setup_editor_el_boulderdash_native  = FALSE;
6739     setup_editor_el_more                = FALSE;
6740     setup_editor_el_sokoban             = FALSE;
6741     setup_editor_el_supaplex            = FALSE;
6742     setup_editor_el_diamond_caves       = FALSE;
6743     setup_editor_el_dx_boulderdash      = FALSE;
6744     setup_editor_el_mirror_magic        = FALSE;
6745     setup_editor_el_deflektor           = FALSE;
6746     setup_editor_el_steel_chars         = FALSE;
6747
6748     setup_editor_el_custom              = FALSE;
6749   }
6750   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
6751   {
6752     setup_editor_el_players             = FALSE;
6753     setup_editor_el_boulderdash         = FALSE;
6754     setup_editor_el_boulderdash_native  = FALSE;
6755     setup_editor_el_emerald_mine        = FALSE;
6756     setup_editor_el_emerald_mine_club   = FALSE;
6757     setup_editor_el_more                = FALSE;
6758     setup_editor_el_sokoban             = FALSE;
6759     setup_editor_el_diamond_caves       = FALSE;
6760     setup_editor_el_dx_boulderdash      = FALSE;
6761     setup_editor_el_mirror_magic        = FALSE;
6762     setup_editor_el_deflektor           = FALSE;
6763     setup_editor_el_chars               = FALSE;
6764     setup_editor_el_steel_chars         = FALSE;
6765
6766     setup_editor_el_custom              = FALSE;
6767   }
6768   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
6769   {
6770     setup_editor_el_players             = FALSE;
6771     setup_editor_el_boulderdash         = FALSE;
6772     setup_editor_el_boulderdash_native  = FALSE;
6773     setup_editor_el_emerald_mine        = FALSE;
6774     setup_editor_el_emerald_mine_club   = FALSE;
6775     setup_editor_el_more                = FALSE;
6776     setup_editor_el_sokoban             = FALSE;
6777     setup_editor_el_supaplex            = FALSE;
6778     setup_editor_el_diamond_caves       = FALSE;
6779     setup_editor_el_dx_boulderdash      = FALSE;
6780     setup_editor_el_steel_chars         = FALSE;
6781
6782     setup_editor_el_custom              = FALSE;
6783   }
6784 }
6785
6786 static void ReinitializeElementList(void)
6787 {
6788   static boolean initialization_needed = TRUE;
6789   int pos = 0;
6790   int i, j;
6791
6792   ReinitializeElementList_EnableSections();
6793
6794   if (initialization_needed)
6795   {
6796     LoadSetup_EditorCascade();          // load last editor cascade state
6797
6798     // initialize editor cascade element from saved cascade state
6799     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6800     {
6801       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
6802       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
6803
6804       if (IS_EDITOR_CASCADE(*cascade_element))
6805         *cascade_element =
6806           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
6807            EL_CASCADE_INACTIVE(*cascade_element));
6808     }
6809
6810     initialization_needed = FALSE;
6811   }
6812
6813   checked_free(editor_elements);
6814
6815   // reload optional user defined element list for each invocation of editor
6816   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
6817                                    &num_editor_el_user_defined);
6818
6819   // initialize dynamic level element list for each invocation of editor
6820   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
6821                                &num_editor_el_dynamic);
6822
6823   // initialize list of empty elements (used for padding, if needed)
6824   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6825     editor_el_empty[i] = EL_EMPTY;
6826
6827   // do some sanity checks for each element from element list
6828   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6829   {
6830     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6831     {
6832       int element = (*editor_elements_info[i].element_list)[j];
6833
6834       if (element >= NUM_FILE_ELEMENTS)
6835         Warn("editor element %d is runtime element", element);
6836
6837       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
6838         Warn("no element description text for element %d", element);
6839     }
6840   }
6841
6842   num_editor_elements = 0;
6843   use_el_empty = FALSE;
6844
6845   // determine size of element list
6846   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6847   {
6848     if (*editor_elements_info[i].setup_value)
6849     {
6850       boolean found_inactive_cascade = FALSE;
6851
6852       if (setup.editor.el_headlines)
6853       {
6854         // required for correct padding of palette headline buttons
6855         if (*editor_elements_info[i].headline_list_size > 0)
6856           num_editor_elements += ED_ELEMENTLIST_COLS;
6857
6858         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6859         {
6860           int element = (*editor_elements_info[i].headline_list)[j];
6861
6862           if (IS_EDITOR_CASCADE_INACTIVE(element))
6863             found_inactive_cascade = TRUE;
6864         }
6865       }
6866
6867       if (found_inactive_cascade)
6868         continue;
6869
6870       // required for correct padding of palette element buttons
6871       int element_list_size = *editor_elements_info[i].element_list_size;
6872       int element_rows =
6873         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6874       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6875
6876       num_editor_elements += element_buttons;
6877     }
6878   }
6879
6880   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
6881   {
6882     // offer at least as many elements as element buttons exist
6883     use_el_empty = TRUE;
6884     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
6885
6886     num_editor_elements += num_editor_el_empty;
6887   }
6888   else
6889   {
6890     num_editor_el_empty = 0;
6891   }
6892
6893   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
6894
6895   // fill element list
6896   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6897   {
6898     boolean found_inactive_cascade = FALSE;
6899
6900     if (*editor_elements_info[i].setup_value)
6901     {
6902       if (setup.editor.el_headlines)
6903       {
6904         // required for correct padding of palette headline buttons
6905         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
6906                              ED_ELEMENTLIST_COLS : 0);
6907
6908         for (j = 0; j < headline_size; j++)
6909         {
6910           // use empty elements for padding of palette headline buttons
6911           int element = (j < *editor_elements_info[i].headline_list_size ?
6912                          (*editor_elements_info[i].headline_list)[j] :
6913                          editor_el_empty[0]);
6914
6915           editor_elements[pos++] = element;
6916
6917           if (IS_EDITOR_CASCADE_INACTIVE(element))
6918             found_inactive_cascade = TRUE;
6919         }
6920       }
6921
6922       if (found_inactive_cascade)
6923         continue;
6924
6925       // required for correct padding of palette element buttons
6926       int element_list_size = *editor_elements_info[i].element_list_size;
6927       int element_rows =
6928         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6929       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6930
6931       // copy all elements from element list
6932       for (j = 0; j < element_list_size; j++)
6933         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
6934
6935       // use empty elements for padding of palette element buttons
6936       for (j = 0; j < element_buttons - element_list_size; j++)
6937         editor_elements[pos++] = editor_el_empty[0];
6938     }
6939   }
6940
6941   // (this function is also called before editor gadgets are initialized!)
6942   AdjustElementListScrollbar();
6943 }
6944
6945 void PrintEditorElementList(void)
6946 {
6947   boolean *stop = &setup_editor_el_user_defined;
6948   int i, j;
6949
6950   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
6951   {
6952     int cascade_element = (*editor_elements_info[i].headline_list)[0];
6953
6954     if (IS_EDITOR_CASCADE(cascade_element))
6955     {
6956       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
6957       char *headline = element_info[cascade_element_show].editor_description;
6958
6959       PrintLineWithPrefix("# ", "-", 77);
6960       Print("# %s\n", headline);
6961       PrintLineWithPrefix("# ", "-", 77);
6962     }
6963
6964     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6965     {
6966       int element = (*editor_elements_info[i].headline_list)[j];
6967
6968       if (IS_EDITOR_CASCADE(element))
6969         element = EL_CHAR_MINUS;
6970
6971       Print("# %s\n", element_info[element].token_name);
6972     }
6973
6974     if (j > 0)
6975       Print("#\n");
6976
6977     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6978     {
6979       int element = (*editor_elements_info[i].element_list)[j];
6980
6981       Print("# %s\n", element_info[element].token_name);
6982     }
6983
6984     if (j > 0)
6985       Print("#\n");
6986   }
6987 }
6988
6989 static void ReinitializeElementListButtons(void)
6990 {
6991   static boolean last_setup_value_headlines = FALSE;
6992   static boolean initialization_needed = TRUE;
6993   int i;
6994
6995   if (!initialization_needed)   // check if editor element setup has changed
6996   {
6997     if (last_setup_value_headlines != setup.editor.el_headlines)
6998       initialization_needed = TRUE;
6999
7000     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7001       if (editor_elements_info[i].last_setup_value !=
7002           *editor_elements_info[i].setup_value)
7003         initialization_needed = TRUE;
7004   }
7005
7006   if (!initialization_needed)
7007     return;
7008
7009   FreeLevelEditorGadgets();
7010   CreateLevelEditorGadgets();
7011
7012   // store current setup values for next invocation of this function
7013   last_setup_value_headlines = setup.editor.el_headlines;
7014   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7015     editor_elements_info[i].last_setup_value =
7016       *editor_elements_info[i].setup_value;
7017
7018   initialization_needed = FALSE;
7019 }
7020
7021 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7022                               boolean input)
7023 {
7024   int border_graphic =
7025     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7026   struct GraphicInfo *g = &graphic_info[border_graphic];
7027   Bitmap *src_bitmap = g->bitmap;
7028   int src_x = g->src_x;
7029   int src_y = g->src_y;
7030   int border_size = g->border_size;
7031   int border_xpos = g->width  - border_size;
7032   int border_ypos = g->height - border_size;
7033   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7034   int i;
7035
7036   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7037              border_size, border_size,
7038              dest_x - border_size, dest_y - border_size);
7039   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7040              border_size, border_size,
7041              dest_x + width, dest_y - border_size);
7042   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7043              border_size, border_size,
7044              dest_x - border_size, dest_y + height);
7045   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7046              border_size, border_size,
7047              dest_x + width, dest_y + height);
7048
7049   for (i = 0; i < width / tilesize; i++)
7050   {
7051     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7052                tilesize, border_size,
7053                dest_x + i * tilesize, dest_y - border_size);
7054     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7055                tilesize, border_size,
7056                dest_x + i * tilesize, dest_y + height);
7057   }
7058
7059   for (i = 0; i < height / tilesize; i++)
7060   {
7061     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7062                border_size, tilesize,
7063                dest_x - border_size, dest_y + i * tilesize);
7064     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7065                border_size, tilesize,
7066                dest_x + width, dest_y + i * tilesize);
7067   }
7068
7069   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7070 }
7071
7072 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7073 {
7074   int xsize_tile = MAX(ed_tilesize, xsize);
7075   int ysize_tile = MAX(ed_tilesize, ysize);
7076   int xsize_full = xsize + 1;
7077   int ysize_full = ysize + 1;
7078   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7079   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7080   Pixel line_color = getTabulatorBarColor();
7081
7082   if (line_color == BLACK_PIXEL)                // black => transparent
7083     return;
7084
7085   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7086   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7087   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7088 }
7089
7090 static void DrawEditorLevelBorderLinesIfNeeded(void)
7091 {
7092   int xsize = lev_fieldx * ed_tilesize;
7093   int ysize = lev_fieldy * ed_tilesize;
7094   int line_size = getTabulatorBarHeight();
7095
7096   if (!suppressBorderElement())
7097     return;
7098
7099   // draw little border line around editable level playfield
7100
7101   if (xsize < SXSIZE)
7102     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
7103
7104   if (ysize < SYSIZE)
7105     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
7106
7107   if (xsize < SXSIZE && ysize < SYSIZE)
7108     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
7109 }
7110
7111 static void DrawEditorElement(int x, int y, int element)
7112 {
7113   DrawSizedElement(x, y, element, ed_tilesize);
7114 }
7115
7116 static void DrawEditorElementThruMask(int x, int y, int element)
7117 {
7118   DrawSizedElementThruMask(x, y, element, ed_tilesize);
7119 }
7120
7121 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
7122 {
7123   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
7124 }
7125
7126 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
7127 {
7128   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
7129   DrawEditorLevelBorderLinesIfNeeded();
7130 }
7131
7132 static void DrawDrawingArea(int id)
7133 {
7134   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7135   int x, y;
7136
7137   int *value = drawingarea_info[id].value;
7138   int area_xsize = drawingarea_info[id].area_xsize;
7139   int area_ysize = drawingarea_info[id].area_ysize;
7140   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7141
7142   for (x = 0; x < area_xsize; x++)
7143     for (y = 0; y < area_ysize; y++)
7144       DrawSizedGraphicExt(drawto,
7145                           gi->x + x * tilesize,
7146                           gi->y + y * tilesize,
7147                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
7148 }
7149
7150 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
7151 {
7152   int x, y;
7153   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
7154   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
7155
7156   BlitBitmap(drawto, drawto,
7157              SX + (dx == -1 ? ed_tilesize : 0),
7158              SY + (dy == -1 ? ed_tilesize : 0),
7159              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
7160              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
7161              SX + (dx == +1 ? ed_tilesize : 0),
7162              SY + (dy == +1 ? ed_tilesize : 0));
7163
7164   if (dx)
7165   {
7166     x = (dx == 1 ? 0 : ed_fieldx - 1);
7167     for (y = 0; y < ed_fieldy; y++)
7168       DrawEditorElementOrWall(x, y, from_x, from_y);
7169   }
7170   else if (dy)
7171   {
7172     y = (dy == 1 ? 0 : ed_fieldy - 1);
7173     for (x = 0; x < ed_fieldx; x++)
7174       DrawEditorElementOrWall(x, y, from_x, from_y);
7175   }
7176
7177   redraw_mask |= REDRAW_FIELD;
7178   BackToFront();
7179 }
7180
7181 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7182                                    int *x, int *y)
7183 {
7184   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
7185 }
7186
7187 static void CreateControlButtons(void)
7188 {
7189   struct GadgetInfo *gi;
7190   int i;
7191
7192   // create toolbox buttons
7193   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7194   {
7195     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7196     int id = controlbutton_info[i].gadget_id;
7197     int type = controlbutton_info[i].gadget_type;
7198     int graphic = controlbutton_info[i].graphic;
7199     struct XYTileSize *pos = controlbutton_info[i].pos;
7200     struct GraphicInfo *gd = &graphic_info[graphic];
7201     Bitmap *deco_bitmap = NULL;
7202     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7203     int tile_size = 0, deco_shift = 0;
7204     boolean deco_masked = FALSE;
7205     int gd_x1 = gd->src_x;
7206     int gd_y1 = gd->src_y;
7207     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7208     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7209     int gd_x1a = gd->src_x + gd->active_xoffset;
7210     int gd_y1a = gd->src_y + gd->active_yoffset;
7211     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7212     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7213     int x = pos->x;
7214     int y = pos->y;
7215     unsigned int event_mask;
7216     int radio_button_nr = RADIO_NR_NONE;
7217     boolean checked = FALSE;
7218
7219     if (type_id != i)
7220       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7221
7222     if (type == GD_TYPE_RADIO_BUTTON)
7223     {
7224       event_mask = GD_EVENT_PRESSED;
7225       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7226
7227       if (id == drawing_function)
7228         checked = TRUE;
7229     }
7230     else
7231     {
7232       if (id == GADGET_ID_WRAP_LEFT ||
7233           id == GADGET_ID_WRAP_RIGHT ||
7234           id == GADGET_ID_WRAP_UP ||
7235           id == GADGET_ID_WRAP_DOWN)
7236         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7237       else
7238         event_mask = GD_EVENT_RELEASED;
7239     }
7240
7241     if (id == GADGET_ID_PROPERTIES ||
7242         id == GADGET_ID_PALETTE)
7243     {
7244       x += DX;
7245       y += DY;
7246     }
7247     else if (id == GADGET_ID_ELEMENT_LEFT ||
7248              id == GADGET_ID_ELEMENT_MIDDLE ||
7249              id == GADGET_ID_ELEMENT_RIGHT)
7250     {
7251       x += DX;
7252       y += DY;
7253
7254       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7255                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7256                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7257
7258       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7259                                    editor.button.element_left.tile_size :
7260                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7261                                    editor.button.element_middle.tile_size :
7262                                    id == GADGET_ID_ELEMENT_RIGHT ?
7263                                    editor.button.element_right.tile_size : 0);
7264
7265       // make sure that decoration does not overlap gadget border
7266       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7267
7268       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7269
7270       deco_xpos = (gd->width  - tile_size) / 2;
7271       deco_ypos = (gd->height - tile_size) / 2;
7272       deco_shift = 1;
7273       deco_masked = gd->draw_masked;
7274     }
7275     else
7276     {
7277       x += EX;
7278       y += EY;
7279     }
7280
7281     gi = CreateGadget(GDI_CUSTOM_ID, id,
7282                       GDI_CUSTOM_TYPE_ID, type_id,
7283                       GDI_IMAGE_ID, graphic,
7284                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7285                       GDI_X, x,
7286                       GDI_Y, y,
7287                       GDI_WIDTH, gd->width,
7288                       GDI_HEIGHT, gd->height,
7289                       GDI_TYPE, type,
7290                       GDI_STATE, GD_BUTTON_UNPRESSED,
7291                       GDI_RADIO_NR, radio_button_nr,
7292                       GDI_CHECKED, checked,
7293                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7294                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7295                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7296                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7297                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7298                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7299                       GDI_DECORATION_SIZE, tile_size, tile_size,
7300                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7301                       GDI_DECORATION_MASKED, deco_masked,
7302                       GDI_EVENT_MASK, event_mask,
7303                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7304                       GDI_CALLBACK_ACTION, HandleControlButtons,
7305                       GDI_END);
7306
7307     if (gi == NULL)
7308       Fail("cannot create gadget");
7309
7310     level_editor_gadget[id] = gi;
7311   }
7312
7313   // these values are not constant, but can change at runtime
7314   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7315   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7316   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7317   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7318   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7319   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7320   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7321   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7322   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7323   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7324   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7325   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7326
7327   // create buttons for scrolling of drawing area and element list
7328   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7329   {
7330     int id = scrollbutton_info[i].gadget_id;
7331     int type_id = scrollbutton_info[i].gadget_type_id;
7332     int graphic = scrollbutton_info[i].graphic;
7333     struct GraphicInfo *gd = &graphic_info[graphic];
7334     Bitmap *gd_bitmap = gd->bitmap;
7335     int gd_x1 = gd->src_x;
7336     int gd_y1 = gd->src_y;
7337     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7338     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7339     int width  = gd->width;
7340     int height = gd->height;
7341     int x = scrollbutton_pos[i].x;
7342     int y = scrollbutton_pos[i].y;
7343     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7344
7345     if (type_id != i)
7346       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7347
7348     if (id == GADGET_ID_SCROLL_LIST_UP ||
7349         id == GADGET_ID_SCROLL_LIST_DOWN)
7350     {
7351       x += PX;
7352       y += PY;
7353     }
7354     else
7355     {
7356       x += SX;
7357       y += SY;
7358     }
7359
7360     gi = CreateGadget(GDI_CUSTOM_ID, id,
7361                       GDI_CUSTOM_TYPE_ID, type_id,
7362                       GDI_IMAGE_ID, graphic,
7363                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7364                       GDI_X, x,
7365                       GDI_Y, y,
7366                       GDI_WIDTH, width,
7367                       GDI_HEIGHT, height,
7368                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7369                       GDI_STATE, GD_BUTTON_UNPRESSED,
7370                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7371                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7372                       GDI_EVENT_MASK, event_mask,
7373                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7374                       GDI_CALLBACK_ACTION, HandleControlButtons,
7375                       GDI_END);
7376
7377     if (gi == NULL)
7378       Fail("cannot create gadget");
7379
7380     level_editor_gadget[id] = gi;
7381   }
7382
7383   // create buttons for element list
7384   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7385   {
7386     int type_id = i;
7387     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7388     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7389     struct GraphicInfo *gd = &graphic_info[graphic];
7390     Bitmap *gd_bitmap = gd->bitmap;
7391     Bitmap *deco_bitmap;
7392     int deco_x, deco_y, deco_xpos, deco_ypos;
7393     int gd_x1 = gd->src_x;
7394     int gd_y1 = gd->src_y;
7395     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7396     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7397     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7398     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7399     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7400     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7401     int element = editor_elements[i];
7402     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7403     unsigned int event_mask = GD_EVENT_RELEASED;
7404
7405     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7406
7407     deco_xpos = (gd->width  - tile_size) / 2;
7408     deco_ypos = (gd->height - tile_size) / 2;
7409
7410     gi = CreateGadget(GDI_CUSTOM_ID, id,
7411                       GDI_CUSTOM_TYPE_ID, type_id,
7412                       GDI_IMAGE_ID, graphic,
7413                       GDI_INFO_TEXT, getElementInfoText(element),
7414                       GDI_X, x,
7415                       GDI_Y, y,
7416                       GDI_WIDTH, gd->width,
7417                       GDI_HEIGHT, gd->height,
7418                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7419                       GDI_STATE, GD_BUTTON_UNPRESSED,
7420                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7421                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7422                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7423                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7424                       GDI_DECORATION_SIZE, tile_size, tile_size,
7425                       GDI_DECORATION_SHIFTING, 1, 1,
7426                       GDI_EVENT_MASK, event_mask,
7427                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7428                       GDI_CALLBACK_ACTION, HandleControlButtons,
7429                       GDI_END);
7430
7431     if (gi == NULL)
7432       Fail("cannot create gadget");
7433
7434     level_editor_gadget[id] = gi;
7435   }
7436 }
7437
7438 static void CreateCounterButtons(void)
7439 {
7440   int max_infotext_len = getMaxInfoTextLength();
7441   int i;
7442
7443   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7444   {
7445     int type_id = counterbutton_info[i].gadget_type_id;
7446     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7447     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7448     int j;
7449
7450     if (type_id != i)
7451       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7452
7453     // determine horizontal position to the right of specified gadget
7454     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7455       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7456            ED_GADGET_TEXT_DISTANCE);
7457
7458     // determine horizontal offset for leading text
7459     if (counterbutton_info[i].text_left != NULL)
7460       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7461
7462     for (j = 0; j < 2; j++)
7463     {
7464       struct GadgetInfo *gi;
7465       int id = (j == 0 ?
7466                 counterbutton_info[i].gadget_id_down :
7467                 counterbutton_info[i].gadget_id_up);
7468       int graphic;
7469       struct GraphicInfo *gd;
7470       int gd_x1, gd_x2, gd_y1, gd_y2;
7471       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7472       char infotext[max_infotext_len + 1];
7473
7474       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7475       {
7476         graphic = (j == 0 ?
7477                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7478                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7479
7480         event_mask |= GD_EVENT_RELEASED;
7481
7482         if (j == 0)
7483         {
7484           x = DX + editor.button.prev_level.x;
7485           y = DY + editor.button.prev_level.y;
7486         }
7487         else
7488         {
7489           x = DX + editor.button.next_level.x;
7490           y = DY + editor.button.next_level.y;
7491         }
7492       }
7493       else
7494       {
7495         graphic = (j == 0 ?
7496                    IMG_EDITOR_COUNTER_DOWN :
7497                    IMG_EDITOR_COUNTER_UP);
7498       }
7499
7500       gd = &graphic_info[graphic];
7501
7502       gd_x1 = gd->src_x;
7503       gd_y1 = gd->src_y;
7504       gd_x2 = gd->src_x + gd->pressed_xoffset;
7505       gd_y2 = gd->src_y + gd->pressed_yoffset;
7506
7507       sprintf(infotext, "%s counter value by 1, 5 or 10",
7508               (j == 0 ? "Decrease" : "Increase"));
7509
7510       gi = CreateGadget(GDI_CUSTOM_ID, id,
7511                         GDI_CUSTOM_TYPE_ID, type_id,
7512                         GDI_IMAGE_ID, graphic,
7513                         GDI_INFO_TEXT, infotext,
7514                         GDI_X, x,
7515                         GDI_Y, y,
7516                         GDI_WIDTH, gd->width,
7517                         GDI_HEIGHT, gd->height,
7518                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7519                         GDI_STATE, GD_BUTTON_UNPRESSED,
7520                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7521                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7522                         GDI_EVENT_MASK, event_mask,
7523                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7524                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7525                         GDI_END);
7526
7527       if (gi == NULL)
7528         Fail("cannot create gadget");
7529
7530       level_editor_gadget[id] = gi;
7531       right_gadget_border[id] =
7532         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7533
7534       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7535
7536       if (j == 0)
7537       {
7538         int font_type = FONT_INPUT_1;
7539         int font_type_active = FONT_INPUT_1_ACTIVE;
7540
7541         id = counterbutton_info[i].gadget_id_text;
7542
7543         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7544
7545         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7546         {
7547           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7548
7549           font_type = FONT_LEVEL_NUMBER;
7550           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7551
7552           x = DX + editor.input.level_number.x;
7553           y = DY + editor.input.level_number.y;
7554         }
7555         else
7556         {
7557           graphic = IMG_EDITOR_COUNTER_INPUT;
7558         }
7559
7560         gd = &graphic_info[graphic];
7561
7562         gd_x1 = gd->src_x;
7563         gd_y1 = gd->src_y;
7564         gd_x2 = gd->src_x + gd->active_xoffset;
7565         gd_y2 = gd->src_y + gd->active_yoffset;
7566
7567         gi = CreateGadget(GDI_CUSTOM_ID, id,
7568                           GDI_CUSTOM_TYPE_ID, type_id,
7569                           GDI_IMAGE_ID, graphic,
7570                           GDI_INFO_TEXT, "Enter counter value",
7571                           GDI_X, x,
7572                           GDI_Y, y,
7573                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
7574                           GDI_NUMBER_VALUE, 0,
7575                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
7576                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
7577                           GDI_TEXT_SIZE, 3,     // minimal counter text size
7578                           GDI_TEXT_FONT, font_type,
7579                           GDI_TEXT_FONT_ACTIVE, font_type_active,
7580                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7581                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7582                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7583                           GDI_DESIGN_WIDTH, gd->width,
7584                           GDI_EVENT_MASK, event_mask,
7585                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7586                           GDI_CALLBACK_ACTION, HandleCounterButtons,
7587                           GDI_END);
7588
7589         if (gi == NULL)
7590           Fail("cannot create gadget");
7591
7592         level_editor_gadget[id] = gi;
7593         right_gadget_border[id] =
7594           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7595
7596         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
7597       }
7598     }
7599   }
7600 }
7601
7602 static void CreateDrawingAreas(void)
7603 {
7604   int i;
7605
7606   // these values are not constant, but can change at runtime
7607   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
7608   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
7609
7610   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
7611   {
7612     struct GadgetInfo *gi;
7613     int id = drawingarea_info[i].gadget_id;
7614     int type_id = drawingarea_info[i].gadget_type_id;
7615     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
7616     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
7617     int area_xsize = drawingarea_info[i].area_xsize;
7618     int area_ysize = drawingarea_info[i].area_ysize;
7619     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
7620                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
7621     unsigned int event_mask =
7622       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
7623       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
7624
7625     if (type_id != i)
7626       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
7627
7628     // determine horizontal position to the right of specified gadget
7629     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
7630       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
7631            ED_DRAWINGAREA_TEXT_DISTANCE);
7632
7633     // determine horizontal offset for leading text
7634     if (drawingarea_info[i].text_left != NULL)
7635       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
7636
7637     gi = CreateGadget(GDI_CUSTOM_ID, id,
7638                       GDI_CUSTOM_TYPE_ID, type_id,
7639                       GDI_X, x,
7640                       GDI_Y, y,
7641                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
7642                       GDI_AREA_SIZE, area_xsize, area_ysize,
7643                       GDI_ITEM_SIZE, item_size, item_size,
7644                       GDI_EVENT_MASK, event_mask,
7645                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
7646                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
7647                       GDI_END);
7648
7649     if (gi == NULL)
7650       Fail("cannot create gadget");
7651
7652     level_editor_gadget[id] = gi;
7653     right_gadget_border[id] =
7654       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
7655   }
7656 }
7657
7658 static void CreateTextInputGadgets(void)
7659 {
7660   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
7661   int max_infotext_len = getMaxInfoTextLength();
7662   int i;
7663
7664   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
7665   {
7666     int gd_x1 = gd->src_x;
7667     int gd_y1 = gd->src_y;
7668     int gd_x2 = gd->src_x + gd->active_xoffset;
7669     int gd_y2 = gd->src_y + gd->active_yoffset;
7670     struct GadgetInfo *gi;
7671     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7672     char infotext[MAX_OUTPUT_LINESIZE + 1];
7673     int id = textinput_info[i].gadget_id;
7674     int type_id = textinput_info[i].gadget_type_id;
7675     int x, y;
7676
7677     if (type_id != i)
7678       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
7679
7680     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
7681     {
7682       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
7683       int border_size = gd->border_size;
7684       int font_nr = FONT_INPUT_1;
7685       int font_height = getFontHeight(font_nr);
7686       int xoffset = element_border + TILEX + element_border + 3 * border_size;
7687       int yoffset = element_border + (TILEY - font_height) / 2;
7688
7689       x = (editor.settings.element_name.x != -1 ?
7690            editor.settings.element_name.x :
7691            editor.settings.element_graphic.x + xoffset) - border_size;
7692       y = (editor.settings.element_name.y != -1 ?
7693            editor.settings.element_name.y :
7694            editor.settings.element_graphic.y + yoffset) - border_size;
7695     }
7696     else
7697     {
7698       x = ED_SETTINGS_X(textinput_info[i].x);
7699       y = ED_SETTINGS_Y(textinput_info[i].y);
7700     }
7701
7702     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
7703     infotext[max_infotext_len] = '\0';
7704
7705     gi = CreateGadget(GDI_CUSTOM_ID, id,
7706                       GDI_CUSTOM_TYPE_ID, type_id,
7707                       GDI_INFO_TEXT, infotext,
7708                       GDI_X, SX + x,
7709                       GDI_Y, SY + y,
7710                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
7711                       GDI_TEXT_VALUE, textinput_info[i].value,
7712                       GDI_TEXT_SIZE, textinput_info[i].size,
7713                       GDI_TEXT_FONT, FONT_INPUT_1,
7714                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7715                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7716                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7717                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7718                       GDI_DESIGN_WIDTH, gd->width,
7719                       GDI_EVENT_MASK, event_mask,
7720                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7721                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
7722                       GDI_END);
7723
7724     if (gi == NULL)
7725       Fail("cannot create gadget");
7726
7727     level_editor_gadget[id] = gi;
7728   }
7729 }
7730
7731 static void CreateTextAreaGadgets(void)
7732 {
7733   int max_infotext_len = getMaxInfoTextLength();
7734   int i;
7735
7736   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
7737   {
7738     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
7739     int gd_x1 = gd->src_x;
7740     int gd_y1 = gd->src_y;
7741     int gd_x2 = gd->src_x + gd->active_xoffset;
7742     int gd_y2 = gd->src_y + gd->active_yoffset;
7743     struct GadgetInfo *gi;
7744     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
7745     char infotext[MAX_OUTPUT_LINESIZE + 1];
7746     int id = textarea_info[i].gadget_id;
7747     int type_id = textarea_info[i].gadget_type_id;
7748     int area_xsize = textarea_info[i].xsize;
7749     int area_ysize = textarea_info[i].ysize;
7750
7751     if (type_id != i)
7752       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
7753
7754     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
7755     infotext[max_infotext_len] = '\0';
7756
7757     gi = CreateGadget(GDI_CUSTOM_ID, id,
7758                       GDI_CUSTOM_TYPE_ID, type_id,
7759                       GDI_INFO_TEXT, infotext,
7760                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
7761                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
7762                       GDI_TYPE, GD_TYPE_TEXT_AREA,
7763                       GDI_AREA_SIZE, area_xsize, area_ysize,
7764                       GDI_TEXT_FONT, FONT_INPUT_1,
7765                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7766                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7767                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7768                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7769                       GDI_DESIGN_WIDTH, gd->width,
7770                       GDI_EVENT_MASK, event_mask,
7771                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7772                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
7773                       GDI_END);
7774
7775     if (gi == NULL)
7776       Fail("cannot create gadget");
7777
7778     level_editor_gadget[id] = gi;
7779   }
7780 }
7781
7782 static void CreateSelectboxGadgets(void)
7783 {
7784   int max_infotext_len = getMaxInfoTextLength();
7785
7786   int i, j;
7787
7788   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7789   {
7790     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
7791     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
7792     int gd_x1 = gd->src_x;
7793     int gd_y1 = gd->src_y;
7794     int gd_x2 = gd->src_x + gd->active_xoffset;
7795     int gd_y2 = gd->src_y + gd->active_yoffset;
7796     int selectbox_button_xsize = gd2->width;
7797     struct GadgetInfo *gi;
7798     char infotext[MAX_OUTPUT_LINESIZE + 1];
7799     int id = selectbox_info[i].gadget_id;
7800     int type_id = selectbox_info[i].gadget_type_id;
7801     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
7802     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
7803     unsigned int event_mask =
7804       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7805
7806     if (type_id != i)
7807       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
7808
7809     if (selectbox_info[i].size == -1)   // dynamically determine size
7810     {
7811       // (we cannot use -1 for uninitialized values if we directly compare
7812       // with results from strlen(), because the '<' and '>' operation will
7813       // implicitely cast -1 to an unsigned integer value!)
7814       selectbox_info[i].size = 0;
7815
7816       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
7817         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
7818           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
7819
7820       selectbox_info[i].size++;         // add one character empty space
7821     }
7822
7823     // determine horizontal position to the right of specified gadget
7824     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
7825       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
7826            ED_GADGET_TEXT_DISTANCE);
7827
7828     // determine horizontal offset for leading text
7829     if (selectbox_info[i].text_left != NULL)
7830       x += getTextWidthForGadget(selectbox_info[i].text_left);
7831
7832     sprintf(infotext, "%s", selectbox_info[i].infotext);
7833     infotext[max_infotext_len] = '\0';
7834
7835     gi = CreateGadget(GDI_CUSTOM_ID, id,
7836                       GDI_CUSTOM_TYPE_ID, type_id,
7837                       GDI_INFO_TEXT, infotext,
7838                       GDI_X, x,
7839                       GDI_Y, y,
7840                       GDI_TYPE, GD_TYPE_SELECTBOX,
7841                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
7842                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
7843                       GDI_TEXT_SIZE, selectbox_info[i].size,
7844                       GDI_TEXT_FONT, FONT_INPUT_1,
7845                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7846                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
7847                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7848                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7849                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7850                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
7851                       GDI_DESIGN_WIDTH, gd->width,
7852                       GDI_EVENT_MASK, event_mask,
7853                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7854                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
7855                       GDI_END);
7856
7857     if (gi == NULL)
7858       Fail("cannot create gadget");
7859
7860     level_editor_gadget[id] = gi;
7861     right_gadget_border[id] =
7862       getRightGadgetBorder(gi, selectbox_info[i].text_right);
7863   }
7864 }
7865
7866 static void CreateTextbuttonGadgets(void)
7867 {
7868   int max_infotext_len = getMaxInfoTextLength();
7869   int i;
7870
7871   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
7872   {
7873     int id = textbutton_info[i].gadget_id;
7874     int type_id = textbutton_info[i].gadget_type_id;
7875     int is_tab_button =
7876       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
7877        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
7878     int graphic =
7879       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
7880     int gadget_distance =
7881       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
7882     struct GraphicInfo *gd = &graphic_info[graphic];
7883     int gd_x1 = gd->src_x;
7884     int gd_y1 = gd->src_y;
7885     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7886     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7887     int gd_x1a = gd->src_x + gd->active_xoffset;
7888     int gd_y1a = gd->src_y + gd->active_yoffset;
7889     int border_xsize = gd->border_size + gd->draw_xoffset;
7890     int border_ysize = gd->border_size;
7891     struct GadgetInfo *gi;
7892     unsigned int event_mask = GD_EVENT_RELEASED;
7893     char infotext[MAX_OUTPUT_LINESIZE + 1];
7894     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
7895     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
7896
7897     if (type_id != i)
7898       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
7899
7900     if (textbutton_info[i].size == -1)  // dynamically determine size
7901       textbutton_info[i].size = strlen(textbutton_info[i].text);
7902
7903     sprintf(infotext, "%s", textbutton_info[i].infotext);
7904     infotext[max_infotext_len] = '\0';
7905
7906     // determine horizontal position to the right of specified gadget
7907     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7908     {
7909       int gadget_id_align = textbutton_info[i].gadget_id_align;
7910
7911       x = right_gadget_border[gadget_id_align] + gadget_distance;
7912
7913       if (textbutton_info[i].y == -1)
7914         y = level_editor_gadget[gadget_id_align]->y;
7915     }
7916
7917     // determine horizontal offset for leading text
7918     if (textbutton_info[i].text_left != NULL)
7919       x += getTextWidthForGadget(textbutton_info[i].text_left);
7920
7921     gi = CreateGadget(GDI_CUSTOM_ID, id,
7922                       GDI_CUSTOM_TYPE_ID, type_id,
7923                       GDI_IMAGE_ID, graphic,
7924                       GDI_INFO_TEXT, infotext,
7925                       GDI_X, x,
7926                       GDI_Y, y,
7927                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
7928                       GDI_TEXT_VALUE, textbutton_info[i].text,
7929                       GDI_TEXT_SIZE, textbutton_info[i].size,
7930                       GDI_TEXT_FONT, FONT_INPUT_2,
7931                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
7932                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7933                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7934                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7935                       GDI_BORDER_SIZE, border_xsize, border_ysize,
7936                       GDI_DESIGN_WIDTH, gd->width,
7937                       GDI_DECORATION_SHIFTING, 1, 1,
7938                       GDI_EVENT_MASK, event_mask,
7939                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7940                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
7941                       GDI_END);
7942
7943     if (gi == NULL)
7944       Fail("cannot create gadget");
7945
7946     level_editor_gadget[id] = gi;
7947     right_gadget_border[id] =
7948       getRightGadgetBorder(gi, textbutton_info[i].text_right);
7949   }
7950 }
7951
7952 static void CreateGraphicbuttonGadgets(void)
7953 {
7954   struct GadgetInfo *gi;
7955   int i;
7956
7957   // create buttons for scrolling of drawing area and element list
7958   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
7959   {
7960     int id = graphicbutton_info[i].gadget_id;
7961     int type_id = graphicbutton_info[i].gadget_type_id;
7962     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
7963     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
7964     int graphic = graphicbutton_info[i].graphic;
7965     struct GraphicInfo *gd = &graphic_info[graphic];
7966     int gd_x1 = gd->src_x;
7967     int gd_y1 = gd->src_y;
7968     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7969     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7970     unsigned int event_mask = GD_EVENT_RELEASED;
7971
7972     if (type_id != i)
7973       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
7974
7975     // determine horizontal position to the right of specified gadget
7976     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7977       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
7978            ED_GADGET_TEXT_DISTANCE);
7979
7980     // determine horizontal offset for leading text
7981     if (graphicbutton_info[i].text_left != NULL)
7982       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
7983
7984     gi = CreateGadget(GDI_CUSTOM_ID, id,
7985                       GDI_CUSTOM_TYPE_ID, type_id,
7986                       GDI_IMAGE_ID, graphic,
7987                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
7988                       GDI_X, x,
7989                       GDI_Y, y,
7990                       GDI_WIDTH, gd->width,
7991                       GDI_HEIGHT, gd->height,
7992                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7993                       GDI_STATE, GD_BUTTON_UNPRESSED,
7994                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7995                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7996                       GDI_EVENT_MASK, event_mask,
7997                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7998                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
7999                       GDI_END);
8000
8001     if (gi == NULL)
8002       Fail("cannot create gadget");
8003
8004     level_editor_gadget[id] = gi;
8005     right_gadget_border[id] =
8006       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8007   }
8008 }
8009
8010 static void CreateScrollbarGadgets(void)
8011 {
8012   int i;
8013
8014   // these values are not constant, but can change at runtime
8015   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8016     SX + ED_SCROLL_HORIZONTAL_XPOS;
8017   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8018     SY + ED_SCROLL_HORIZONTAL_YPOS;
8019   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8020     ED_SCROLL_HORIZONTAL_XSIZE;
8021   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8022     ED_SCROLL_HORIZONTAL_YSIZE;
8023   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8024   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8025   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8026   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8027
8028   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8029     SX + ED_SCROLL_VERTICAL_XPOS;
8030   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8031     SY + ED_SCROLL_VERTICAL_YPOS;
8032   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8033     ED_SCROLL_VERTICAL_XSIZE;
8034   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8035     ED_SCROLL_VERTICAL_YSIZE;
8036   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8037   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8038   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8039   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8040
8041   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8042     PX + ED_SCROLL2_VERTICAL_XPOS;
8043   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8044     PY + ED_SCROLL2_VERTICAL_YPOS;
8045   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8046     ED_SCROLL2_VERTICAL_XSIZE;
8047   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8048     ED_SCROLL2_VERTICAL_YSIZE;
8049   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8050   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8051   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8052   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8053
8054   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8055   {
8056     int id = scrollbar_info[i].gadget_id;
8057     int type_id = scrollbar_info[i].gadget_type_id;
8058     int graphic = scrollbar_info[i].graphic;
8059     struct GraphicInfo *gd = &graphic_info[graphic];
8060     int gd_x1 = gd->src_x;
8061     int gd_y1 = gd->src_y;
8062     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8063     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8064     struct GadgetInfo *gi;
8065     int items_max, items_visible, item_position;
8066     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8067
8068     if (type_id != i)
8069       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8070
8071     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8072     {
8073       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8074       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8075       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8076     }
8077     else        // drawing area scrollbars
8078     {
8079       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8080       {
8081         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8082         items_visible = ed_fieldx;
8083         item_position = 0;
8084       }
8085       else
8086       {
8087         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8088         items_visible = ed_fieldy;
8089         item_position = 0;
8090       }
8091     }
8092
8093     gi = CreateGadget(GDI_CUSTOM_ID, id,
8094                       GDI_CUSTOM_TYPE_ID, type_id,
8095                       GDI_IMAGE_ID, graphic,
8096                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8097                       GDI_X, scrollbar_pos[i].x,
8098                       GDI_Y, scrollbar_pos[i].y,
8099                       GDI_WIDTH, scrollbar_pos[i].width,
8100                       GDI_HEIGHT, scrollbar_pos[i].height,
8101                       GDI_TYPE, scrollbar_info[i].type,
8102                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8103                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8104                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8105                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8106                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8107                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8108                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8109                       GDI_STATE, GD_BUTTON_UNPRESSED,
8110                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8111                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8112                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8113                       GDI_EVENT_MASK, event_mask,
8114                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8115                       GDI_CALLBACK_ACTION, HandleControlButtons,
8116                       GDI_END);
8117
8118     if (gi == NULL)
8119       Fail("cannot create gadget");
8120
8121     level_editor_gadget[id] = gi;
8122   }
8123 }
8124
8125 static void CreateCheckbuttonGadgets(void)
8126 {
8127   struct GadgetInfo *gi;
8128   int i;
8129
8130   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8131   {
8132     int id = checkbutton_info[i].gadget_id;
8133     int type_id = checkbutton_info[i].gadget_type_id;
8134     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8135                    IMG_EDITOR_CHECKBOX);
8136     struct GraphicInfo *gd = &graphic_info[graphic];
8137     int gd_x1 = gd->src_x;
8138     int gd_y1 = gd->src_y;
8139     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8140     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8141     int gd_x1a = gd->src_x + gd->active_xoffset;
8142     int gd_y1a = gd->src_y + gd->active_yoffset;
8143     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8144     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8145     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8146     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8147     unsigned int event_mask = GD_EVENT_PRESSED;
8148
8149     if (type_id != i)
8150       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8151
8152     // determine horizontal position to the right of specified gadget
8153     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8154       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8155            ED_GADGET_TEXT_DISTANCE);
8156
8157     // determine horizontal offset for leading text
8158     if (checkbutton_info[i].text_left != NULL)
8159       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8160
8161     gi = CreateGadget(GDI_CUSTOM_ID, id,
8162                       GDI_CUSTOM_TYPE_ID, type_id,
8163                       GDI_IMAGE_ID, graphic,
8164                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8165                       GDI_X, x,
8166                       GDI_Y, y,
8167                       GDI_WIDTH, gd->width,
8168                       GDI_HEIGHT, gd->height,
8169                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8170                       GDI_CHECKED, *checkbutton_info[i].value,
8171                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8172                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8173                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8174                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8175                       GDI_EVENT_MASK, event_mask,
8176                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8177                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8178                       GDI_END);
8179
8180     if (gi == NULL)
8181       Fail("cannot create gadget");
8182
8183     level_editor_gadget[id] = gi;
8184     right_gadget_border[id] =
8185       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8186   }
8187 }
8188
8189 static void CreateRadiobuttonGadgets(void)
8190 {
8191   int graphic = IMG_EDITOR_RADIOBUTTON;
8192   struct GraphicInfo *gd = &graphic_info[graphic];
8193   int gd_x1 = gd->src_x;
8194   int gd_y1 = gd->src_y;
8195   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8196   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8197   int gd_x1a = gd->src_x + gd->active_xoffset;
8198   int gd_y1a = gd->src_y + gd->active_yoffset;
8199   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8200   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8201   struct GadgetInfo *gi;
8202   int i;
8203
8204   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8205   {
8206     int id = radiobutton_info[i].gadget_id;
8207     int type_id = radiobutton_info[i].gadget_type_id;
8208     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8209     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8210     unsigned int event_mask = GD_EVENT_PRESSED;
8211
8212     if (type_id != i)
8213       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8214
8215     int checked =
8216       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8217
8218     // determine horizontal position to the right of specified gadget
8219     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8220       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8221            ED_GADGET_TEXT_DISTANCE);
8222
8223     // determine horizontal offset for leading text
8224     if (radiobutton_info[i].text_left != NULL)
8225       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8226
8227     gi = CreateGadget(GDI_CUSTOM_ID, id,
8228                       GDI_CUSTOM_TYPE_ID, type_id,
8229                       GDI_IMAGE_ID, graphic,
8230                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8231                       GDI_X, x,
8232                       GDI_Y, y,
8233                       GDI_WIDTH, gd->width,
8234                       GDI_HEIGHT, gd->height,
8235                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8236                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8237                       GDI_CHECKED, checked,
8238                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8239                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8240                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8241                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8242                       GDI_EVENT_MASK, event_mask,
8243                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8244                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8245                       GDI_END);
8246
8247     if (gi == NULL)
8248       Fail("cannot create gadget");
8249
8250     level_editor_gadget[id] = gi;
8251     right_gadget_border[id] =
8252       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8253   }
8254 }
8255
8256 void CreateLevelEditorGadgets(void)
8257 {
8258   // force EDITOR font inside level editor
8259   SetFontStatus(GAME_MODE_EDITOR);
8260
8261   // these values are not constant, but can change at runtime
8262   ed_fieldx = MAX_ED_FIELDX - 1;
8263   ed_fieldy = MAX_ED_FIELDY - 1;
8264
8265   num_editor_gadgets = NUM_EDITOR_GADGETS;
8266
8267   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8268
8269   level_editor_gadget =
8270     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8271   right_gadget_border =
8272     checked_calloc(num_editor_gadgets * sizeof(int));
8273
8274   // set number of empty (padding) element buttons to maximum number of buttons
8275   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8276
8277   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8278   editor_el_empty_ptr = editor_el_empty;
8279
8280   use_permanent_palette = !editor.palette.show_as_separate_screen;
8281
8282   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8283
8284   ReinitializeElementList();
8285
8286   CreateControlButtons();
8287   CreateScrollbarGadgets();
8288
8289   // order of function calls is important because of cross-references
8290   CreateCheckbuttonGadgets();
8291   CreateCounterButtons();
8292   CreateRadiobuttonGadgets();
8293   CreateTextInputGadgets();
8294   CreateTextAreaGadgets();
8295   CreateSelectboxGadgets();
8296   CreateGraphicbuttonGadgets();
8297   CreateTextbuttonGadgets();
8298   CreateDrawingAreas();
8299
8300   ResetFontStatus();
8301 }
8302
8303 void FreeLevelEditorGadgets(void)
8304 {
8305   int i;
8306
8307   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8308
8309   for (i = 0; i < num_editor_gadgets; i++)
8310   {
8311     FreeGadget(level_editor_gadget[i]);
8312
8313     level_editor_gadget[i] = NULL;
8314   }
8315
8316   checked_free(level_editor_gadget);
8317   checked_free(right_gadget_border);
8318
8319   checked_free(editor_el_empty);
8320 }
8321
8322 static void MapCounterButtons(int id)
8323 {
8324   int font_nr = FONT_TEXT_1;
8325   int font_height = getFontHeight(font_nr);
8326   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8327   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8328   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8329   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8330   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8331   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8332   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8333   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8334   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8335   int yoffset = (gi_down->height - font_height) / 2;
8336   int x_left = gi_down->x - xoffset_left;
8337   int x_right;  // set after gadget position was modified
8338   int y_above = gi_down->y - yoffset_above;
8339   int x = gi_down->x;
8340   int y;        // set after gadget position was modified
8341
8342   // counter limits must be changed first to prevent value truncation
8343   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8344                             counterbutton_info[id].max_value);
8345
8346   // right text position might have changed after setting position above
8347   x_right = gi_up->x + gi_up->width + xoffset_right;
8348
8349   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8350
8351   // set position for counter gadgets with dynamically determined position
8352   if (id != ED_COUNTER_ID_SELECT_LEVEL)
8353   {
8354     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8355     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8356     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8357   }
8358
8359   // vertical position might have changed after setting position above
8360   y = gi_up->y + yoffset;
8361
8362   if (counterbutton_info[id].text_above)
8363     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8364
8365   if (counterbutton_info[id].text_left)
8366     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8367
8368   if (counterbutton_info[id].text_right)
8369     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8370
8371   MapGadget(gi_down);
8372   MapGadget(gi_text);
8373   MapGadget(gi_up);
8374 }
8375
8376 static void MapControlButtons(void)
8377 {
8378   int counter_id;
8379   int i;
8380
8381   // map toolbox buttons (excluding special CE toolbox buttons)
8382   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8383     MapGadget(level_editor_gadget[i]);
8384
8385   // map toolbox buttons (element properties buttons)
8386   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8387     MapGadget(level_editor_gadget[i]);
8388
8389   if (use_permanent_palette)
8390   {
8391     // map buttons to select elements
8392     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8393       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8394     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8395     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8396     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8397   }
8398
8399   // map buttons to select level
8400   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8401   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8402   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8403   MapCounterButtons(counter_id);
8404 }
8405
8406 static void MapDrawingArea(int id)
8407 {
8408   int font_nr = FONT_TEXT_1;
8409   int font_height = getFontHeight(font_nr);
8410   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8411   int area_xsize = gi->drawing.area_xsize;
8412   int area_ysize = gi->drawing.area_ysize;
8413   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8414   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8415   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
8416   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8417   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8418   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8419   int y_side  = gi->y + (gi->height - font_height) / 2;
8420   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8421   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8422
8423   if (drawingarea_info[id].text_left)
8424     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8425
8426   if (drawingarea_info[id].text_right)
8427     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8428
8429   if (drawingarea_info[id].text_above)
8430     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8431
8432   if (drawingarea_info[id].text_below)
8433     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8434
8435   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8436   {
8437     DrawElementBorder(gi->x, gi->y,
8438                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8439                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8440
8441     DrawDrawingArea(id);
8442   }
8443
8444   MapGadget(gi);
8445 }
8446
8447 static void MapTextInputGadget(int id)
8448 {
8449   int font_nr = FONT_TEXT_1;
8450   int font_height = getFontHeight(font_nr);
8451   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8452   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8453   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8454   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8455
8456   if (textinput_info[id].text_above)
8457     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8458
8459   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8460
8461   MapGadget(gi);
8462 }
8463
8464 static void MapTextAreaGadget(int id)
8465 {
8466   int font_nr = FONT_TEXT_1;
8467   int font_height = getFontHeight(font_nr);
8468   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8469   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8470   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8471   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8472   char *text_above = textarea_info[id].text_above;
8473
8474   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8475     text_above = textarea_info[id].text_above_cropped;
8476
8477   if (text_above)
8478     DrawTextS(x_above, y_above, font_nr, text_above);
8479
8480   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8481
8482   MapGadget(gi);
8483 }
8484
8485 static void MapSelectboxGadget(int id)
8486 {
8487   int font_nr = FONT_TEXT_1;
8488   int font_height = getFontHeight(font_nr);
8489   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8490   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8491   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8492   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8493   int yoffset = (gi->height - font_height) / 2;
8494   int x_left = gi->x - xoffset_left;
8495   int x_right = gi->x + gi->width + xoffset_right;
8496   int y_above = gi->y - yoffset_above;
8497   int x = gi->x;
8498   int y = gi->y + yoffset;
8499
8500   if (selectbox_info[id].text_above)
8501     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8502
8503   if (selectbox_info[id].text_left)
8504     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8505
8506   if (selectbox_info[id].text_right)
8507     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8508
8509   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8510
8511   MapGadget(gi);
8512 }
8513
8514 static void MapTextbuttonGadget(int id)
8515 {
8516   int font_nr = FONT_TEXT_1;
8517   int font_height = getFontHeight(font_nr);
8518   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8519   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8520   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8521   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8522   int yoffset = (gi->height - font_height) / 2;
8523   int x_left = gi->x - xoffset_left;
8524   int x_right = gi->x + gi->width + xoffset_right;
8525   int y_above = gi->y - yoffset_above;
8526   int x = gi->x;
8527   int y = gi->y + yoffset;
8528
8529   // only show button to delete change pages when more than minimum pages
8530   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8531       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8532     return;
8533
8534   if (textbutton_info[id].text_above)
8535     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8536
8537   if (textbutton_info[id].text_left)
8538     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8539
8540   if (textbutton_info[id].text_right)
8541     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8542
8543   MapGadget(gi);
8544 }
8545
8546 static void MapGraphicbuttonGadget(int id)
8547 {
8548   int font_nr = FONT_TEXT_1;
8549   int font_height = getFontHeight(font_nr);
8550   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8551   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8552   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8553   int yoffset = (gi->height - font_height) / 2;
8554   int x_left = gi->x - xoffset_left;
8555   int x_right = gi->x + gi->width + xoffset_right;
8556   int y = gi->y + yoffset;
8557
8558   if (graphicbutton_info[id].text_left)
8559     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8560
8561   if (graphicbutton_info[id].text_right)
8562     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8563
8564   MapGadget(gi);
8565 }
8566
8567 static void MapRadiobuttonGadget(int id)
8568 {
8569   int font_nr = FONT_TEXT_1;
8570   int font_height = getFontHeight(font_nr);
8571   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
8572   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8573   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8574   int yoffset = (gi->height - font_height) / 2;
8575   int x_left = gi->x - xoffset_left;
8576   int x_right = gi->x + gi->width + xoffset_right;
8577   int y = gi->y + yoffset;
8578   boolean checked =
8579     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
8580
8581   if (radiobutton_info[id].text_left)
8582     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
8583
8584   if (radiobutton_info[id].text_right)
8585     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
8586
8587   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
8588
8589   MapGadget(gi);
8590 }
8591
8592 static void MapCheckbuttonGadget(int id)
8593 {
8594   int font_nr = FONT_TEXT_1;
8595   int font_height = getFontHeight(font_nr);
8596   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
8597   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8598   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8599   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8600   int yoffset = (gi->height - font_height) / 2;
8601   int y_above = gi->y - yoffset_above;
8602   int x = gi->x;
8603   int x_left, x_right, y;       // set after gadget position was modified
8604
8605   // set position for gadgets with dynamically determined position
8606   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
8607     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
8608   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
8609
8610   x_left = gi->x - xoffset_left;
8611   x_right = gi->x + gi->width + xoffset_right;
8612   y = gi->y + yoffset;
8613
8614   if (checkbutton_info[id].text_above)
8615     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
8616
8617   if (checkbutton_info[id].text_left)
8618     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
8619
8620   if (checkbutton_info[id].text_right)
8621     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
8622
8623   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
8624
8625   MapGadget(gi);
8626 }
8627
8628 static void MapMainDrawingArea(void)
8629 {
8630   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
8631   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
8632   int i;
8633
8634   if (suppressBorderElement())
8635   {
8636     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
8637     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
8638   }
8639
8640   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
8641   {
8642     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
8643           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
8644          no_horizontal_scrollbar) ||
8645         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
8646           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
8647          no_vertical_scrollbar))
8648       continue;
8649
8650     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
8651   }
8652
8653   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
8654   {
8655     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
8656         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
8657       continue;
8658
8659     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
8660   }
8661
8662   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
8663 }
8664
8665 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
8666 {
8667   int i;
8668
8669   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8670   {
8671     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
8672         i == GADGET_ID_CUSTOM_COPY_TO ||
8673         i == GADGET_ID_CUSTOM_EXCHANGE ||
8674         i == GADGET_ID_CUSTOM_COPY ||
8675         i == GADGET_ID_CUSTOM_PASTE)
8676     {
8677       if (map)
8678         MapGadget(level_editor_gadget[i]);
8679       else
8680         UnmapGadget(level_editor_gadget[i]);
8681     }
8682   }
8683 }
8684
8685 static void MapLevelEditorToolboxCustomGadgets(void)
8686 {
8687   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
8688 }
8689
8690 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
8691 {
8692   if (IS_CUSTOM_ELEMENT(properties_element) ||
8693       IS_GROUP_ELEMENT(properties_element) ||
8694       IS_EMPTY_ELEMENT(properties_element))
8695     MapLevelEditorToolboxCustomGadgets();
8696 }
8697
8698 static void UnmapLevelEditorToolboxCustomGadgets(void)
8699 {
8700   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
8701 }
8702
8703 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
8704 {
8705   int i;
8706
8707   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
8708   {
8709     if (i != GADGET_ID_SINGLE_ITEMS &&
8710         i != GADGET_ID_PICK_ELEMENT)
8711     {
8712       struct GadgetInfo *gi = level_editor_gadget[i];
8713
8714       if (map)
8715       {
8716         MapGadget(gi);
8717       }
8718       else
8719       {
8720         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
8721         struct GraphicInfo *gd = &graphic_info[graphic];
8722
8723         UnmapGadget(gi);
8724
8725         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
8726                    gi->width, gi->height, gi->x, gi->y);
8727
8728         redraw_mask |= REDRAW_DOOR_3;
8729       }
8730     }
8731   }
8732 }
8733
8734 static void MapLevelEditorToolboxDrawingGadgets(void)
8735 {
8736   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
8737 }
8738
8739 static void UnmapLevelEditorToolboxDrawingGadgets(void)
8740 {
8741   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
8742 }
8743
8744 static void UnmapDrawingArea(int id)
8745 {
8746   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
8747 }
8748
8749 static void UnmapLevelEditorFieldGadgets(void)
8750 {
8751   int i;
8752
8753   for (i = 0; i < num_editor_gadgets; i++)
8754     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
8755                           level_editor_gadget[i]->y))
8756       UnmapGadget(level_editor_gadget[i]);
8757 }
8758
8759 void UnmapLevelEditorGadgets(void)
8760 {
8761   int i;
8762
8763   for (i = 0; i < num_editor_gadgets; i++)
8764     UnmapGadget(level_editor_gadget[i]);
8765 }
8766
8767 static void ResetUndoBuffer(void)
8768 {
8769   undo_buffer_position = -1;
8770   undo_buffer_steps = -1;
8771   redo_buffer_steps = 0;
8772
8773   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8774
8775   level.changed = FALSE;
8776 }
8777
8778 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
8779 {
8780   if (remap_toolbox_gadgets)
8781   {
8782     ModifyEditorElementList();
8783     RedrawDrawingElements();
8784   }
8785
8786   if (edit_mode == ED_MODE_LEVELCONFIG)
8787     DrawLevelConfigWindow();
8788   else if (edit_mode == ED_MODE_PROPERTIES)
8789     DrawPropertiesWindow();
8790   else if (edit_mode == ED_MODE_PALETTE)
8791     DrawPaletteWindow();
8792   else  // edit_mode == ED_MODE_DRAWING
8793     DrawDrawingWindowExt(remap_toolbox_gadgets);
8794 }
8795
8796 static void DrawEditModeWindow(void)
8797 {
8798   DrawEditModeWindowExt(TRUE);
8799 }
8800
8801 static void DrawEditModeWindow_PlayfieldOnly(void)
8802 {
8803   DrawEditModeWindowExt(FALSE);
8804 }
8805
8806 static void ChangeEditModeWindow(int new_edit_mode)
8807 {
8808   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
8809
8810   DrawEditModeWindow();
8811 }
8812
8813 static boolean LevelChanged(void)
8814 {
8815   boolean field_changed = FALSE;
8816   int x, y;
8817
8818   for (y = 0; y < lev_fieldy; y++)
8819     for (x = 0; x < lev_fieldx; x++)
8820       if (Tile[x][y] != level.field[x][y])
8821         field_changed = TRUE;
8822
8823   return (level.changed || field_changed);
8824 }
8825
8826 static boolean PrepareSavingIntoPersonalLevelSet(void)
8827 {
8828   static LevelDirTree *last_copied_leveldir = NULL;
8829   static LevelDirTree *last_written_leveldir = NULL;
8830   static int last_copied_level_nr = -1;
8831   static int last_written_level_nr = -1;
8832   LevelDirTree *leveldir_former = leveldir_current;
8833   int level_nr_former = level_nr;
8834   int new_level_nr;
8835
8836   // remember last mod/save so that for current session, we write
8837   // back to the same personal copy, asking only about overwrite.
8838   if (leveldir_current == last_copied_leveldir &&
8839       level_nr == last_copied_level_nr)
8840   {
8841     // "cd" to personal level set dir (as used when writing last copy)
8842     leveldir_current = last_written_leveldir;
8843     level_nr = last_written_level_nr;
8844
8845     return TRUE;
8846   }
8847
8848   if (!Request("This level is read-only! "
8849                "Save into personal level set?", REQ_ASK))
8850     return FALSE;
8851
8852   // "cd" to personal level set dir (for writing copy the first time)
8853   leveldir_current =
8854     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
8855
8856   // this may happen if "setup.internal.create_user_levelset" is FALSE
8857   // or if file "levelinfo.conf" is missing in personal user level set
8858   if (leveldir_current == NULL)
8859   {
8860     Request("Cannot find personal level set?!", REQ_CONFIRM);
8861
8862     leveldir_current = leveldir_former;
8863
8864     return FALSE;
8865   }
8866
8867   // find unused level number
8868   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
8869   {
8870     static char *level_filename = NULL;
8871
8872     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
8873
8874     if (!fileExists(level_filename))
8875       break;
8876   }
8877
8878   last_copied_leveldir = leveldir_former;
8879   last_copied_level_nr = level_nr_former;
8880
8881   last_written_leveldir = leveldir_current;
8882   last_written_level_nr = level_nr = new_level_nr;
8883
8884   return TRUE;
8885 }
8886
8887 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
8888 {
8889   static char *filename_levelinfo = NULL, *mod_name = NULL;
8890   FILE *file;
8891
8892   // annotate this copy-and-mod in personal levelinfo.conf
8893   setString(&filename_levelinfo,
8894             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
8895
8896   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
8897   {
8898     fprintf(file, "\n");
8899     fprintf(file, "# level %d was modified from:\n", level_nr);
8900     fprintf(file, "# - previous level set name:    %s\n",
8901             former_name);
8902     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
8903             level.file_info.nr, level.name);
8904     fprintf(file, "# - previous author:            %s\n",
8905             level.author);
8906     fprintf(file, "# - previous save date:         ");
8907
8908     if (level.creation_date.src == DATE_SRC_LEVELFILE)
8909     {
8910       fprintf(file, "%04d-%02d-%02d\n",
8911               level.creation_date.year,
8912               level.creation_date.month,
8913               level.creation_date.day);
8914     }
8915     else
8916     {
8917       fprintf(file, "not recorded\n");
8918     }
8919
8920     fclose(file);
8921   }
8922
8923   if (level_nr > leveldir_current->last_level)
8924     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
8925
8926   // else: allow the save even if annotation failed
8927
8928   // now... spray graffiti on the old level vital statistics
8929   // user can change these; just trying to set a good baseline
8930
8931   // don't truncate names for fear of making offensive or silly:
8932   // long-named original author only recorded in levelinfo.conf.
8933   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
8934   if (!strEqual(level.author, leveldir_current->author))
8935   {
8936     setString(&mod_name, getStringCat3(leveldir_current->author,
8937                                        " after ", level.author));
8938
8939     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8940       setString(&mod_name,
8941                 getStringCat2(leveldir_current->author, " (ed.)"));
8942
8943     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8944       setString(&mod_name, leveldir_current->author);
8945
8946     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
8947
8948     // less worried about truncation here
8949     setString(&mod_name, getStringCat2("Mod: ", level.name));
8950     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
8951   }
8952 }
8953
8954 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
8955                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
8956 {
8957   int x, y;
8958
8959   for (x = 0; x < lev_fieldx; x++)
8960     for (y = 0; y < lev_fieldy; y++)
8961       dst[x][y] = src[x][y];
8962 }
8963
8964 static int setSelectboxValue(int selectbox_id, int new_value)
8965 {
8966   int new_index_value = 0;
8967   int i;
8968
8969   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
8970     if (selectbox_info[selectbox_id].options[i].value == new_value)
8971       new_index_value = i;
8972
8973   *selectbox_info[selectbox_id].value =
8974     selectbox_info[selectbox_id].options[new_index_value].value;
8975
8976   return new_index_value;
8977 }
8978
8979 static void setSelectboxSpecialActionVariablesIfNeeded(void)
8980 {
8981   int i;
8982
8983   // change action mode and arg variables according to action type variable
8984   for (i = 0; action_arg_options[i].value != -1; i++)
8985   {
8986     if (action_arg_options[i].value == custom_element_change.action_type)
8987     {
8988       int mode = action_arg_options[i].mode;
8989
8990       // only change if corresponding selectbox has changed
8991       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
8992           action_arg_modes[mode])
8993         custom_element_change.action_mode = -1;
8994
8995       // only change if corresponding selectbox has changed
8996       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
8997           action_arg_options[i].options)
8998         custom_element_change.action_arg = -1;
8999
9000       break;
9001     }
9002   }
9003 }
9004
9005 static void setSelectboxSpecialActionOptions(void)
9006 {
9007   int i;
9008
9009   // change action mode and arg selectbox according to action type selectbox
9010   for (i = 0; action_arg_options[i].value != -1; i++)
9011   {
9012     if (action_arg_options[i].value == custom_element_change.action_type)
9013     {
9014       int mode = action_arg_options[i].mode;
9015
9016       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9017                                    action_arg_modes[mode]);
9018       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9019                                  custom_element_change.action_mode);
9020
9021       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9022                                    action_arg_options[i].options);
9023       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9024                                  custom_element_change.action_arg);
9025       break;
9026     }
9027   }
9028 }
9029
9030 static void copy_custom_element_settings(int element_from, int element_to)
9031 {
9032   struct ElementInfo *ei_from = &element_info[element_from];
9033   struct ElementInfo *ei_to = &element_info[element_to];
9034
9035   copyElementInfo(ei_from, ei_to);
9036 }
9037
9038 static void replace_custom_element_in_settings(int element_from,
9039                                                int element_to)
9040 {
9041   int i, j, x, y;
9042
9043   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9044   {
9045     struct ElementInfo *ei = &element_info[i];
9046
9047     for (y = 0; y < 3; y++)
9048       for (x = 0; x < 3; x++)
9049         if (ei->content.e[x][y] == element_from)
9050           ei->content.e[x][y] = element_to;
9051
9052     for (j = 0; j < ei->num_change_pages; j++)
9053     {
9054       struct ElementChangeInfo *change = &ei->change_page[j];
9055
9056       if (change->target_element == element_from)
9057         change->target_element = element_to;
9058
9059       if (change->initial_trigger_element == element_from)
9060         change->initial_trigger_element = element_to;
9061
9062       if (change->action_element == element_from)
9063         change->action_element = element_to;
9064
9065       for (y = 0; y < 3; y++)
9066         for (x = 0; x < 3; x++)
9067           if (change->target_content.e[x][y] == element_from)
9068             change->target_content.e[x][y] = element_to;
9069     }
9070
9071     if (ei->group != NULL)                              // group or internal
9072       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9073         if (ei->group->element[j] == element_from)
9074           ei->group->element[j] = element_to;
9075   }
9076 }
9077
9078 static void replace_custom_element_in_playfield(int element_from,
9079                                                 int element_to)
9080 {
9081   int x, y;
9082
9083   for (x = 0; x < lev_fieldx; x++)
9084     for (y = 0; y < lev_fieldy; y++)
9085       if (Tile[x][y] == element_from)
9086         Tile[x][y] = element_to;
9087 }
9088
9089 static boolean CopyCustomElement(int element_old, int element_new,
9090                                  int copy_mode)
9091 {
9092   int copy_mode_orig = copy_mode;
9093
9094   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9095   {
9096     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9097                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9098     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9099   }
9100   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9101   {
9102     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9103                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9104     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9105
9106     level.changed = TRUE;
9107   }
9108   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9109   {
9110     Request("Please choose custom element!", REQ_CONFIRM);
9111
9112     return FALSE;
9113   }
9114   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9115   {
9116     Request("Please choose group element!", REQ_CONFIRM);
9117
9118     return FALSE;
9119   }
9120   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9121   {
9122     Request("Please choose empty element!", REQ_CONFIRM);
9123
9124     return FALSE;
9125   }
9126   else
9127   {
9128     level.changed = TRUE;
9129   }
9130
9131   // when modifying custom/group element, ask for copying level template
9132   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9133   {
9134     if (!AskToCopyAndModifyLevelTemplate())
9135       return FALSE;
9136   }
9137
9138   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9139   {
9140     copy_custom_element_settings(element_new, element_old);
9141   }
9142   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9143   {
9144     copy_custom_element_settings(element_old, element_new);
9145   }
9146   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9147   {
9148     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9149     copy_custom_element_settings(element_new, element_old);
9150     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9151
9152     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9153     replace_custom_element_in_settings(element_new, element_old);
9154     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9155
9156     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9157     replace_custom_element_in_playfield(element_new, element_old);
9158     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9159   }
9160
9161   UpdateCustomElementGraphicGadgets();
9162   DrawPropertiesWindow();
9163
9164   return TRUE;
9165 }
9166
9167 static void CopyCustomElementPropertiesToEditor(int element)
9168 {
9169   int i;
9170   int current_change_page = element_info[element].current_change_page;
9171
9172   // dynamically (re)build selectbox for selecting change page
9173   for (i = 0; i < element_info[element].num_change_pages; i++)
9174   {
9175     sprintf(options_change_page_strings[i], "%d", i + 1);
9176
9177     options_change_page[i].value = i;
9178     options_change_page[i].text = options_change_page_strings[i];
9179   }
9180
9181   options_change_page[i].value = -1;
9182   options_change_page[i].text = NULL;
9183
9184   // needed here to initialize combined element properties
9185   InitElementPropertiesEngine(level.game_version);
9186
9187   element_info[element].change =
9188     &element_info[element].change_page[current_change_page];
9189
9190   custom_element = element_info[element];
9191   custom_element_change = *element_info[element].change;
9192
9193   // needed to initially set selectbox options for special action options
9194   setSelectboxSpecialActionOptions();
9195
9196   // needed to initially set selectbox value variables to reliable defaults
9197   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9198     setSelectboxValue(i, *selectbox_info[i].value);
9199
9200   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9201     custom_element_properties[i] = HAS_PROPERTY(element, i);
9202
9203   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9204     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9205
9206   // ---------- element settings: configure (custom elements) -----------------
9207
9208   // set accessible layer selectbox help value
9209   custom_element.access_type =
9210     (IS_WALKABLE(element) ? EP_WALKABLE :
9211      IS_PASSABLE(element) ? EP_PASSABLE :
9212      custom_element.access_type);
9213   custom_element.access_layer =
9214     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9215      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9216      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9217      custom_element.access_layer);
9218   custom_element.access_protected =
9219     (IS_PROTECTED(element) ? 1 : 0);
9220   custom_element_properties[EP_ACCESSIBLE] =
9221     (IS_ACCESSIBLE_OVER(element) ||
9222      IS_ACCESSIBLE_INSIDE(element) ||
9223      IS_ACCESSIBLE_UNDER(element));
9224
9225   // set walk-to-object action selectbox help value
9226   custom_element.walk_to_action =
9227     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9228      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9229      IS_DROPPABLE(element) ? EP_DROPPABLE :
9230      IS_THROWABLE(element) ? EP_THROWABLE :
9231      IS_PUSHABLE(element) ? EP_PUSHABLE :
9232      custom_element.walk_to_action);
9233   custom_element_properties[EP_WALK_TO_OBJECT] =
9234     (IS_DIGGABLE(element) ||
9235      IS_COLLECTIBLE_ONLY(element) ||
9236      IS_DROPPABLE(element) ||
9237      IS_THROWABLE(element) ||
9238      IS_PUSHABLE(element));
9239
9240   // set smash targets selectbox help value
9241   custom_element.smash_targets =
9242     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9243      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9244      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9245      custom_element.smash_targets);
9246   custom_element_properties[EP_CAN_SMASH] =
9247     (CAN_SMASH_EVERYTHING(element) ||
9248      CAN_SMASH_ENEMIES(element) ||
9249      CAN_SMASH_PLAYER(element));
9250
9251   // set deadliness selectbox help value
9252   custom_element.deadliness =
9253     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9254      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9255      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9256      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9257      custom_element.deadliness);
9258   custom_element_properties[EP_DEADLY] =
9259     (DONT_TOUCH(element) ||
9260      DONT_GET_HIT_BY(element) ||
9261      DONT_COLLIDE_WITH(element) ||
9262      DONT_RUN_INTO(element));
9263
9264   // ---------- element settings: advanced (custom elements) ------------------
9265
9266   // set "change by direct action" selectbox help value
9267   custom_element_change.direct_action =
9268     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9269      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9270      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9271      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9272      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9273      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9274      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9275      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9276      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9277      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9278      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9279      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9280      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9281      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9282      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9283      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9284      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9285      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9286      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9287      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9288      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9289      custom_element_change.direct_action);
9290
9291   // set "change by other element action" selectbox help value
9292   custom_element_change.other_action =
9293     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9294      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9295      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9296      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9297      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9298      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9299      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9300      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9301      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9302      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9303      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9304      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9305      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9306      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9307      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9308      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9309      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9310      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9311      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9312      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9313      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9314      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9315      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9316      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9317      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9318      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9319      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9320      custom_element_change.other_action);
9321 }
9322
9323 static void CopyGroupElementPropertiesToEditor(int element)
9324 {
9325   group_element_info = *element_info[element].group;
9326   custom_element = element_info[element];       // needed for description
9327 }
9328
9329 static void CopyEmptyElementPropertiesToEditor(int element)
9330 {
9331   custom_element = element_info[element];
9332 }
9333
9334 static void CopyClassicElementPropertiesToEditor(int element)
9335 {
9336   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9337     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9338       getMoveIntoAcidProperty(&level, element);
9339
9340   if (MAYBE_DONT_COLLIDE_WITH(element))
9341     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9342       getDontCollideWithProperty(&level, element);
9343 }
9344
9345 static void CopyElementPropertiesToEditor(int element)
9346 {
9347   if (IS_CUSTOM_ELEMENT(element))
9348     CopyCustomElementPropertiesToEditor(element);
9349   else if (IS_GROUP_ELEMENT(element))
9350     CopyGroupElementPropertiesToEditor(element);
9351   else if (IS_EMPTY_ELEMENT(element))
9352     CopyEmptyElementPropertiesToEditor(element);
9353   else
9354     CopyClassicElementPropertiesToEditor(element);
9355 }
9356
9357 static boolean AskToCopyAndModifyLevelTemplate(void)
9358 {
9359   if (Request("Copy and modify settings from level template?", REQ_ASK))
9360   {
9361     level.use_custom_template = FALSE;
9362
9363     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9364                  GDI_CHECKED, FALSE, GDI_END);
9365     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9366                  GDI_CHECKED, FALSE, GDI_END);
9367
9368     return TRUE;
9369   }
9370   else
9371   {
9372     LoadLevelTemplate(-1);      // this resets all element modifications ...
9373
9374     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9375
9376     return FALSE;
9377   }
9378 }
9379
9380 static void CopyCustomElementPropertiesToGame(int element)
9381 {
9382   int i;
9383   int access_type_and_layer;
9384
9385   // mark that this custom element has been modified
9386   custom_element.modified_settings = TRUE;
9387   level.changed = TRUE;
9388
9389   if (level.use_custom_template)
9390     AskToCopyAndModifyLevelTemplate();
9391
9392   element_info[element] = custom_element;
9393   *element_info[element].change = custom_element_change;
9394
9395   // ---------- element settings: configure (custom elements) -----------------
9396
9397   // set accessible property from checkbox and selectbox
9398   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9399   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9400   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9401   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9402   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9403   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9404   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9405                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9406                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9407   custom_element_properties[access_type_and_layer] =
9408     custom_element_properties[EP_ACCESSIBLE];
9409   custom_element_properties[EP_PROTECTED] =
9410     (custom_element.access_protected != 0 &&
9411      custom_element_properties[EP_ACCESSIBLE]);
9412
9413   // set walk-to-object property from checkbox and selectbox
9414   custom_element_properties[EP_DIGGABLE] = FALSE;
9415   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9416   custom_element_properties[EP_DROPPABLE] = FALSE;
9417   custom_element_properties[EP_THROWABLE] = FALSE;
9418   custom_element_properties[EP_PUSHABLE] = FALSE;
9419   custom_element_properties[custom_element.walk_to_action] =
9420     custom_element_properties[EP_WALK_TO_OBJECT];
9421
9422   // set smash property from checkbox and selectbox
9423   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9424   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9425   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9426   custom_element_properties[custom_element.smash_targets] =
9427     custom_element_properties[EP_CAN_SMASH];
9428
9429   // set deadliness property from checkbox and selectbox
9430   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9431   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9432   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9433   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9434   custom_element_properties[custom_element.deadliness] =
9435     custom_element_properties[EP_DEADLY];
9436
9437   // ---------- element settings: advanced (custom elements) ------------------
9438
9439   // set player change event from checkbox and selectbox
9440   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9441   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9442   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9443   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9444   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9445   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9446   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9447   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9448   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9449   custom_element_change_events[CE_SWITCHED] = FALSE;
9450   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9451   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9452   custom_element_change_events[CE_BLOCKED] = FALSE;
9453   custom_element_change_events[CE_IMPACT] = FALSE;
9454   custom_element_change_events[CE_SMASHED] = FALSE;
9455   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9456   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9457   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9458   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9459   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9460   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9461   custom_element_change_events[custom_element_change.direct_action] =
9462     custom_element_change_events[CE_BY_DIRECT_ACTION];
9463
9464   // set other element action change event from checkbox and selectbox
9465   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9466   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9467   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9468   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9469   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9470   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9471   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9472   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9473   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9474   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9475   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9476   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9477   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9478   custom_element_change_events[CE_HITTING_X] = FALSE;
9479   custom_element_change_events[CE_DIGGING_X] = FALSE;
9480   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9481   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9482   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9483   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9484   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9485   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9486   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9487   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9488   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9489   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9490   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9491   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9492   custom_element_change_events[custom_element_change.other_action] =
9493     custom_element_change_events[CE_BY_OTHER_ACTION];
9494
9495   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9496     SET_PROPERTY(element, i, custom_element_properties[i]);
9497
9498   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9499     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9500
9501   // copy change events also to special level editor variable
9502   custom_element = element_info[element];
9503   custom_element_change = *element_info[element].change;
9504
9505   // needed here to restore runtime value "element_info[element].gfx_element"
9506   InitElementPropertiesGfxElement();
9507 }
9508
9509 static void CopyGroupElementPropertiesToGame(int element)
9510 {
9511   // mark that this group element has been modified
9512   custom_element.modified_settings = TRUE;
9513   level.changed = TRUE;
9514
9515   if (level.use_custom_template)
9516     AskToCopyAndModifyLevelTemplate();
9517
9518   element_info[element] = custom_element;
9519   *element_info[element].group = group_element_info;
9520
9521   // needed here to restore runtime value "element_info[element].gfx_element"
9522   InitElementPropertiesGfxElement();
9523 }
9524
9525 static void CopyEmptyElementPropertiesToGame(int element)
9526 {
9527   // mark that this empty element has been modified
9528   custom_element.modified_settings = TRUE;
9529   level.changed = TRUE;
9530
9531   if (level.use_custom_template)
9532     AskToCopyAndModifyLevelTemplate();
9533
9534   element_info[element] = custom_element;
9535
9536   // needed here to restore runtime value "element_info[element].gfx_element"
9537   InitElementPropertiesGfxElement();
9538 }
9539
9540 static void CopyClassicElementPropertiesToGame(int element)
9541 {
9542   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9543     setMoveIntoAcidProperty(&level, element,
9544                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9545
9546   if (MAYBE_DONT_COLLIDE_WITH(element))
9547     setDontCollideWithProperty(&level, element,
9548                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9549 }
9550
9551 static void CopyElementPropertiesToGame(int element)
9552 {
9553   if (IS_CUSTOM_ELEMENT(element))
9554     CopyCustomElementPropertiesToGame(element);
9555   else if (IS_GROUP_ELEMENT(element))
9556     CopyGroupElementPropertiesToGame(element);
9557   else if (IS_EMPTY_ELEMENT(element))
9558     CopyEmptyElementPropertiesToGame(element);
9559   else
9560     CopyClassicElementPropertiesToGame(element);
9561 }
9562
9563 #if DEBUG
9564 static void CheckElementDescriptions(void)
9565 {
9566   int i;
9567
9568   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9569     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
9570       Warn("no element description file for element '%s'", EL_NAME(i));
9571 }
9572 #endif
9573
9574 static int getMaxEdFieldX(boolean has_scrollbar)
9575 {
9576   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
9577   int sxsize = SXSIZE - scrollbar_width;
9578   int max_ed_fieldx = sxsize / ed_tilesize;
9579
9580   return max_ed_fieldx;
9581 }
9582
9583 static int getMaxEdFieldY(boolean has_scrollbar)
9584 {
9585   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
9586                          INFOTEXT_YSIZE_FULL : 0);
9587   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
9588   int sysize = SYSIZE - scrollbar_height - infotext_height;
9589   int max_ed_fieldy = sysize / ed_tilesize;
9590
9591   return max_ed_fieldy;
9592 }
9593
9594 static void InitZoomLevelSettings(int zoom_tilesize)
9595 {
9596   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
9597
9598   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
9599   {
9600     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
9601     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
9602
9603     // make sure that tile size is always a power of 2
9604     ed_tilesize = (1 << log_2(ed_tilesize));
9605
9606     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9607     {
9608       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
9609       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
9610     }
9611   }
9612
9613   last_game_engine_type = level.game_engine_type;
9614
9615   // limit zoom tilesize by upper and lower bound
9616   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
9617
9618   // store zoom tilesize in auto setup file only if it was manually changed
9619   if (zoom_tilesize != -1)
9620     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
9621
9622   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
9623   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
9624 }
9625
9626 static void InitDrawingElements(void)
9627 {
9628   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
9629
9630   if (level.game_engine_type == game_engine_type_last)
9631     return;
9632
9633   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9634   {
9635     new_element1 = EL_BD_WALL;
9636     new_element2 = EL_EMPTY;
9637     new_element3 = EL_BD_SAND;
9638   }
9639   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
9640   {
9641     new_element1 = EL_SP_CHIP_SINGLE;
9642     new_element2 = EL_EMPTY;
9643     new_element3 = EL_SP_BASE;
9644   }
9645   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9646   {
9647     new_element1 = EL_MM_MIRROR_START;
9648     new_element2 = EL_EMPTY;
9649     new_element3 = EL_MM_WOODEN_WALL;
9650   }
9651   else
9652   {
9653     new_element1 = EL_WALL;
9654     new_element2 = EL_EMPTY;
9655     new_element3 = EL_SAND;
9656   }
9657
9658   game_engine_type_last = level.game_engine_type;
9659 }
9660
9661 static void InitLevelSetInfo(void)
9662 {
9663   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
9664            "%s", leveldir_current->name);
9665   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
9666            "%s", leveldir_current->author);
9667
9668   levelset_num_levels = leveldir_current->levels;
9669
9670   levelset_use_levelset_artwork = FALSE;
9671   levelset_copy_level_template = FALSE;
9672
9673   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
9674 }
9675
9676 static void ChangeEditorToLevelSet(char *levelset_subdir)
9677 {
9678   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
9679
9680   // the previous level set might have used custom artwork
9681   ReloadCustomArtwork(0);
9682
9683   LoadLevelSetup_SeriesInfo();
9684
9685   SaveLevelSetup_LastSeries();
9686   SaveLevelSetup_SeriesInfo();
9687
9688   TapeErase();
9689
9690   LoadLevel(level_nr);
9691   LoadScore(level_nr);
9692
9693   DrawLevelEd();
9694 }
9695
9696 static boolean useEditorDoorAnimation(void)
9697 {
9698   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
9699   boolean door_1_viewport_unchanged =
9700     (vp_door_1->x      == DX     &&
9701      vp_door_1->y      == DY     &&
9702      vp_door_1->width  == DXSIZE &&
9703      vp_door_1->height == DYSIZE);
9704   boolean door_1_contains_toolbox =
9705     (EX >= DX &&
9706      EY >= DY &&
9707      EX + EXSIZE <= DX + DXSIZE &&
9708      EY + EYSIZE <= DY + DYSIZE);
9709
9710   return (door_1_viewport_unchanged && door_1_contains_toolbox);
9711 }
9712
9713 static void DrawEditorDoorBackground(int graphic, int x, int y,
9714                                      int width, int height)
9715 {
9716   struct GraphicInfo *g = &graphic_info[graphic];
9717
9718   if (g->bitmap != NULL)
9719     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
9720                MIN(width, g->width), MIN(height, g->height), x, y);
9721   else
9722     ClearRectangle(drawto, x, y, width, height);
9723 }
9724
9725 static void DrawEditorDoorContent(void)
9726 {
9727   // needed for gadgets drawn on background (like palette scrollbar)
9728   SetDoorBackgroundImage(IMG_UNDEFINED);
9729
9730   // copy default editor door content to main double buffer
9731   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
9732
9733   // draw bigger door
9734   DrawSpecialEditorDoor();
9735
9736   // draw new control window
9737   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
9738
9739   // draw all toolbox gadgets to editor doors
9740   MapControlButtons();
9741
9742   // when returning from test game to properties page, redraw toolbox gadgets
9743   if (edit_mode == ED_MODE_PROPERTIES)
9744   {
9745     UnmapLevelEditorToolboxDrawingGadgets();
9746     UnmapLevelEditorToolboxCustomGadgets();
9747
9748     MapLevelEditorToolboxCustomGadgetsIfNeeded();
9749   }
9750
9751   // draw all palette gadgets to editor doors
9752   ModifyEditorElementList();
9753   RedrawDrawingElements();
9754
9755   // copy actual editor door content to door double buffer for OpenDoor()
9756   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
9757 }
9758
9759 void DrawLevelEd(void)
9760 {
9761   int fade_mask = REDRAW_FIELD;
9762
9763   FadeSoundsAndMusic();
9764
9765   if (CheckFadeAll())
9766     fade_mask = REDRAW_ALL;
9767
9768   FadeOut(fade_mask);
9769
9770   // needed if different viewport properties defined for editor
9771   ChangeViewportPropertiesIfNeeded();
9772
9773   ClearField();
9774
9775   InitZoomLevelSettings(-1);
9776   InitDrawingElements();
9777   InitLevelSetInfo();
9778
9779 #if DEBUG
9780   CheckElementDescriptions();
9781 #endif
9782
9783   if (level_editor_test_game)
9784   {
9785     CopyPlayfield(level.field, Tile);
9786     CopyPlayfield(TileBackup, level.field);
9787
9788     level_editor_test_game = FALSE;
9789   }
9790   else
9791   {
9792     edit_mode = ED_MODE_DRAWING;
9793     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
9794     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
9795
9796     ResetUndoBuffer();
9797
9798     level_xpos = -1;
9799     level_ypos = -1;
9800   }
9801
9802   // redraw_mask |= REDRAW_ALL;
9803
9804   FreeLevelEditorGadgets();
9805   CreateLevelEditorGadgets();
9806
9807   ReinitializeElementList();            // update dynamic level element list
9808   ReinitializeElementListButtons();     // custom element may look different
9809
9810   InitElementPropertiesGfxElement();
9811
9812   UnmapAllGadgets();
9813
9814   DrawEditModeWindow_PlayfieldOnly();
9815
9816   DrawMaskedBorder(fade_mask);
9817
9818   // use door animation if door 1 viewport is unchanged and contains toolbox
9819   if (useEditorDoorAnimation())
9820   {
9821     FadeIn(fade_mask);
9822
9823     DrawEditorDoorContent();
9824
9825     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
9826   }
9827   else
9828   {
9829     DrawEditorDoorContent();
9830
9831     FadeIn(fade_mask);
9832   }
9833
9834   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
9835 }
9836
9837 static void AdjustDrawingAreaGadgets(void)
9838 {
9839   int ed_xsize = lev_fieldx + 2;
9840   int ed_ysize = lev_fieldy + 2;
9841   int max_ed_fieldx = MAX_ED_FIELDX;
9842   int max_ed_fieldy = MAX_ED_FIELDY;
9843   boolean horizontal_scrollbar_needed;
9844   boolean vertical_scrollbar_needed;
9845   int x, y, width, height;
9846
9847   if (suppressBorderElement())
9848   {
9849     ed_xsize = lev_fieldx;
9850     ed_ysize = lev_fieldy;
9851   }
9852
9853   // check if we need any scrollbars
9854   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9855   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9856
9857   // check if we have a smaller editor field because of scrollbars
9858   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9859   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9860
9861   // check again if we now need more scrollbars because of less space
9862   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9863   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9864
9865   // check if editor field gets even smaller after adding new scrollbars
9866   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9867   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9868
9869   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
9870   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
9871
9872   x = SX + ed_fieldx * ed_tilesize;
9873   y = SY + ed_fieldy * ed_tilesize;
9874
9875   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
9876   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
9877
9878   // adjust drawing area gadget
9879   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
9880                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
9881                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
9882                GDI_END);
9883
9884   // adjust horizontal scrollbar gadgets
9885   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
9886                GDI_Y, y,
9887                GDI_END);
9888   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
9889                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
9890                GDI_Y, y,
9891                GDI_END);
9892   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
9893                GDI_Y, y,
9894                GDI_WIDTH, width,
9895                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
9896                GDI_END);
9897
9898   // adjust vertical scrollbar gadgets
9899   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
9900                GDI_X, x,
9901                GDI_END);
9902   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
9903                GDI_X, x,
9904                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
9905                GDI_END);
9906   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
9907                GDI_X, x,
9908                GDI_HEIGHT, height,
9909                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
9910                GDI_END);
9911 }
9912
9913 static void AdjustLevelScrollPosition(void)
9914 {
9915   if (level_xpos < -1)
9916     level_xpos = -1;
9917   if (level_xpos > lev_fieldx - ed_fieldx + 1)
9918     level_xpos = lev_fieldx - ed_fieldx + 1;
9919   if (lev_fieldx < ed_fieldx - 2)
9920     level_xpos = -1;
9921
9922   if (level_ypos < -1)
9923     level_ypos = -1;
9924   if (level_ypos > lev_fieldy - ed_fieldy + 1)
9925     level_ypos = lev_fieldy - ed_fieldy + 1;
9926   if (lev_fieldy < ed_fieldy - 2)
9927     level_ypos = -1;
9928
9929   if (suppressBorderElement())
9930   {
9931     level_xpos = 0;
9932     level_ypos = 0;
9933   }
9934 }
9935
9936 static void AdjustEditorScrollbar(int id)
9937 {
9938   struct GadgetInfo *gi = level_editor_gadget[id];
9939   int items_max, items_visible, item_position;
9940
9941   if (id == GADGET_ID_SCROLL_HORIZONTAL)
9942   {
9943     items_max = MAX(lev_fieldx + 2, ed_fieldx);
9944     items_visible = ed_fieldx;
9945     item_position = level_xpos + 1;
9946   }
9947   else
9948   {
9949     items_max = MAX(lev_fieldy + 2, ed_fieldy);
9950     items_visible = ed_fieldy;
9951     item_position = level_ypos + 1;
9952   }
9953
9954   if (item_position > items_max - items_visible)
9955     item_position = items_max - items_visible;
9956
9957   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9958                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9959 }
9960
9961 static void AdjustElementListScrollbar(void)
9962 {
9963   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
9964   int items_max, items_visible, item_position;
9965
9966   // correct position of element list scrollbar
9967   if (element_shift < 0)
9968     element_shift = 0;
9969   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
9970     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
9971
9972   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
9973   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
9974   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
9975
9976   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9977                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9978                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9979 }
9980
9981 static void ModifyEditorCounterValue(int counter_id, int new_value)
9982 {
9983   int *counter_value = counterbutton_info[counter_id].value;
9984   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9985   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9986
9987   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
9988
9989   if (counter_value != NULL)
9990     *counter_value = gi->textinput.number_value;
9991 }
9992
9993 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
9994 {
9995   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9996   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9997
9998   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
9999
10000   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10001       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10002   {
10003     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10004     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10005
10006     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10007     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10008                  GDI_END);
10009   }
10010 }
10011
10012 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10013 {
10014   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10015   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10016   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10017
10018   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10019 }
10020
10021 static void ModifyEditorSelectboxOptions(int selectbox_id,
10022                                          struct ValueTextInfo *options)
10023 {
10024   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10025   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10026
10027   selectbox_info[selectbox_id].options = options;
10028
10029   // set index to zero -- list may be shorter now (correct later, if needed)
10030   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10031                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10032 }
10033
10034 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10035 {
10036   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10037   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10038
10039   drawingarea_info[drawingarea_id].area_xsize = xsize;
10040   drawingarea_info[drawingarea_id].area_ysize = ysize;
10041
10042   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10043 }
10044
10045 static void ModifyEditorElementList(void)
10046 {
10047   int i;
10048
10049   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10050     return;
10051
10052   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10053   {
10054     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10055     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10056     struct GadgetDesign *gd = &gi->deco.design;
10057     int element = editor_elements[element_shift + i];
10058     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10059
10060     UnmapGadget(gi);
10061
10062     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10063
10064     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10065
10066     MapGadget(gi);
10067   }
10068 }
10069
10070 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10071 {
10072   int graphic = el2edimg(element);
10073   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10074
10075   if (pos->x == -1 &&
10076       pos->y == -1)
10077     return;
10078
10079   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10080 }
10081
10082 static void ModifyDrawingElementButton(int element, int id)
10083 {
10084   struct GadgetInfo *gi = level_editor_gadget[id];
10085   Bitmap *deco_bitmap;
10086   int deco_x, deco_y;
10087   int tile_size = gi->deco.width;
10088
10089   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10090
10091   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10092 }
10093
10094 static void PickDrawingElement(int button, int element)
10095 {
10096   struct
10097   {
10098     int *new_element;
10099     struct XYTileSize *pos;
10100     int id;
10101   } de, drawing_elements[] =
10102   {
10103     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10104     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10105     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10106   };
10107
10108   if (button < 1 || button > 3)
10109     return;
10110
10111   if (IS_MM_WALL(element))
10112     element = map_mm_wall_element(element);
10113
10114   de = drawing_elements[button - 1];
10115
10116   *de.new_element = element;    // update global drawing element variable
10117
10118   DrawDrawingElementGraphic(element, de.pos);
10119   ModifyDrawingElementButton(element, de.id);
10120
10121   redraw_mask |= REDRAW_DOOR_1;
10122 }
10123
10124 static void RedrawDrawingElements(void)
10125 {
10126   PickDrawingElement(1, new_element1);
10127   PickDrawingElement(2, new_element2);
10128   PickDrawingElement(3, new_element3);
10129 }
10130
10131 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10132 {
10133   stick_element_properties_window = FALSE;
10134
10135   SetMainBackgroundImage(IMG_UNDEFINED);
10136   ClearField();
10137
10138   UnmapLevelEditorFieldGadgets();
10139
10140   AdjustDrawingAreaGadgets();
10141   AdjustLevelScrollPosition();
10142   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10143   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10144
10145   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10146
10147   MapMainDrawingArea();
10148
10149   if (remap_toolbox_gadgets)
10150   {
10151     UnmapLevelEditorToolboxCustomGadgets();
10152     MapLevelEditorToolboxDrawingGadgets();
10153   }
10154 }
10155
10156 static void DrawDrawingWindow(void)
10157 {
10158   DrawDrawingWindowExt(TRUE);
10159 }
10160
10161 static int getTabulatorBarWidth(void)
10162 {
10163   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10164   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10165
10166   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10167 }
10168
10169 static int getTabulatorBarHeight(void)
10170 {
10171   return ED_TAB_BAR_HEIGHT;
10172 }
10173
10174 static Pixel getTabulatorBarColor(void)
10175 {
10176   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10177   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10178   int gd_x = gd->x + gd_gi1->border.width / 2;
10179   int gd_y = gd->y + gd_gi1->height - 1;
10180
10181   return GetPixel(gd->bitmap, gd_x, gd_y);
10182 }
10183
10184 static void DrawLevelConfigTabulatorGadgets(void)
10185 {
10186   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10187   Pixel tab_color = getTabulatorBarColor();
10188   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10189   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10190   int i;
10191
10192   // draw additional "engine" tabulator when using native BD engine
10193   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10194     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10195
10196   for (i = id_first; i <= id_last; i++)
10197   {
10198     int gadget_id = textbutton_info[i].gadget_id;
10199     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10200     boolean active = (i != edit_mode_levelconfig);
10201
10202     // draw background line below tabulator button
10203     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10204
10205     // draw solid line below inactive tabulator buttons
10206     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10207       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10208                     ED_GADGET_TINY_DISTANCE, tab_color);
10209
10210     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10211     MapTextbuttonGadget(i);
10212   }
10213
10214   // draw little border line below tabulator buttons
10215   if (tab_color != BLACK_PIXEL)                 // black => transparent
10216     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10217                   ED_GADGET_TINY_DISTANCE,
10218                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10219 }
10220
10221 static void DrawPropertiesTabulatorGadgets(void)
10222 {
10223   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10224   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10225   int gd_x = gd->x + gd_gi1->border.width / 2;
10226   int gd_y = gd->y + gd_gi1->height - 1;
10227   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10228   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10229   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10230   int i;
10231
10232   // draw two config tabulators for player elements
10233   if (IS_PLAYER_ELEMENT(properties_element))
10234     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10235
10236   // draw two config and one "change" tabulator for custom elements
10237   if (IS_CUSTOM_ELEMENT(properties_element))
10238     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10239
10240   for (i = id_first; i <= id_last; i++)
10241   {
10242     int gadget_id = textbutton_info[i].gadget_id;
10243     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10244     boolean active = (i != edit_mode_properties);
10245
10246     // use "config 1" and "config 2" instead of "config" for players and CEs
10247     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
10248         (IS_PLAYER_ELEMENT(properties_element) ||
10249          IS_CUSTOM_ELEMENT(properties_element)))
10250       continue;
10251
10252     // draw background line below tabulator button
10253     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10254
10255     // draw solid line below inactive tabulator buttons
10256     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10257       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10258                     ED_GADGET_TINY_DISTANCE, tab_color);
10259
10260     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10261     MapTextbuttonGadget(i);
10262   }
10263
10264   // draw little border line below tabulator buttons
10265   if (tab_color != BLACK_PIXEL)                 // black => transparent
10266     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10267                   ED_GADGET_TINY_DISTANCE,
10268                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10269 }
10270
10271 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10272 {
10273   DrawText(SX + xpos, SY + ypos, text, font_nr);
10274 }
10275
10276 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10277                                            int xpos, int ypos)
10278 {
10279   int font_width = getFontWidth(font_nr);
10280   int font_height = getFontHeight(font_nr);
10281   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10282   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10283
10284   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10285                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10286                       TRUE, FALSE, FALSE);
10287 }
10288
10289 static void DrawLevelConfigLevel(void)
10290 {
10291   int i;
10292
10293   // draw counter gadgets
10294   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10295     MapCounterButtons(i);
10296
10297   // draw checkbutton gadgets
10298   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10299     MapCheckbuttonGadget(i);
10300
10301   // draw selectbox gadgets
10302   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10303     MapSelectboxGadget(i);
10304
10305   // draw text input gadgets
10306   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10307     MapTextInputGadget(i);
10308 }
10309
10310 static char *getLevelSubdirFromSaveMode(int save_mode)
10311 {
10312   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10313     return getNewUserLevelSubdir();
10314
10315   return leveldir_current->subdir;
10316 }
10317
10318 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10319 {
10320   char *directory_text = "Level set directory:";
10321   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10322   int font1_nr = FONT_TEXT_1;
10323   int font2_nr = FONT_TEXT_2;
10324   int font1_height = getFontHeight(font1_nr);
10325   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10326   int x = ED_LEVEL_SETTINGS_X(0);
10327   int y = ED_LEVEL_SETTINGS_Y(6);
10328
10329   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10330   PrintInfoText(directory_name, font2_nr, x, y);
10331 }
10332
10333 static void DrawLevelConfigLevelSet(void)
10334 {
10335   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10336   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10337   int i;
10338
10339   // draw counter gadgets
10340   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10341     MapCounterButtons(i);
10342
10343   // draw checkbutton gadgets
10344   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10345   {
10346     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10347         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10348         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10349       continue;
10350
10351     MapCheckbuttonGadget(i);
10352   }
10353
10354   // draw selectbox gadgets
10355   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10356     MapSelectboxGadget(i);
10357
10358   // draw text input gadgets
10359   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10360     MapTextInputGadget(i);
10361
10362   // draw textbutton gadgets
10363   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10364
10365   // draw info text
10366   DrawLevelConfigLevelSet_DirectoryInfo();
10367 }
10368
10369 static void DrawLevelConfigEditor(void)
10370 {
10371   int i;
10372
10373   // draw counter gadgets
10374   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10375     MapCounterButtons(i);
10376
10377   // draw checkbutton gadgets
10378   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10379     MapCheckbuttonGadget(i);
10380
10381   // draw radiobutton gadgets
10382   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10383     MapRadiobuttonGadget(i);
10384
10385   // draw drawing area
10386   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10387
10388   // draw textbutton gadgets
10389   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10390 }
10391
10392 static void DrawLevelConfigEngine(void)
10393 {
10394   int i;
10395
10396   // draw counter gadgets
10397   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10398   {
10399     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10400     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10401   }
10402   else
10403   {
10404     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10405     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10406   }
10407
10408   // draw checkbutton gadgets
10409   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10410     MapCheckbuttonGadget(i);
10411
10412   // draw selectbox gadgets
10413   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10414     MapSelectboxGadget(i);
10415 }
10416
10417 static void DrawLevelConfigWindow(void)
10418 {
10419   char *text = "Global Settings";
10420   int font_nr = FONT_TITLE_1;
10421   struct MenuPosInfo *pos = &editor.settings.headline;
10422   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10423   int sy = SY + pos->y;
10424
10425   stick_element_properties_window = FALSE;
10426
10427   SetAutomaticNumberOfGemsNeeded();
10428
10429   UnmapLevelEditorFieldGadgets();
10430
10431   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10432   ClearField();
10433
10434   DrawText(sx, sy, text, font_nr);
10435
10436   DrawLevelConfigTabulatorGadgets();
10437
10438   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10439     DrawLevelConfigLevel();
10440   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10441     DrawLevelConfigLevelSet();
10442   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10443     DrawLevelConfigEditor();
10444   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10445     DrawLevelConfigEngine();
10446 }
10447
10448 static void DrawCustomContentArea(void)
10449 {
10450   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10451   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10452   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10453   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10454   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10455   int xoffset = ED_GADGET_SPACE_DISTANCE;
10456
10457   // add distance for potential left text (without drawing area border)
10458   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10459
10460   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10461
10462   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10463 }
10464
10465 static void DrawCustomChangeContentArea(void)
10466 {
10467   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10468   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10469   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10470   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10471   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10472   int xoffset = ED_GADGET_SPACE_DISTANCE;
10473
10474   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10475
10476   MapDrawingArea(id);
10477 }
10478
10479 static void RemoveElementContentArea(int id, int font_height)
10480 {
10481   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10482
10483   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10484                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10485                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10486                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10487                  ED_GADGET_TEXT_DISTANCE + font_height);
10488 }
10489
10490 static void DrawYamYamContentAreas(void)
10491 {
10492   int font_nr = FONT_TEXT_1;
10493   int font_height = getFontHeight(font_nr);
10494   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10495   int yoffset = (tilesize - font_height) / 2;
10496   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10497   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10498   int i;
10499
10500   // display counter to choose number of element content areas
10501   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10502
10503   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10504   {
10505     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10506
10507     if (i < level.num_yamyam_contents)
10508     {
10509       MapDrawingArea(id);
10510     }
10511     else
10512     {
10513       UnmapDrawingArea(id);
10514
10515       // delete content areas in case of reducing number of them
10516       RemoveElementContentArea(id, font_height);
10517     }
10518   }
10519
10520   DrawText(x, y + 0 * tilesize, "content", font_nr);
10521   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10522   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10523 }
10524
10525 static void DrawMagicBallContentAreas(void)
10526 {
10527   int font_nr = FONT_TEXT_1;
10528   int font_height = getFontHeight(font_nr);
10529   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10530   int yoffset = (tilesize - font_height) / 2;
10531   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10532   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10533   int i;
10534
10535   // display counter to choose number of element content areas
10536   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10537
10538   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10539   {
10540     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10541
10542     if (i < level.num_ball_contents)
10543     {
10544       MapDrawingArea(id);
10545     }
10546     else
10547     {
10548       UnmapDrawingArea(id);
10549
10550       // delete content areas in case of reducing number of them
10551       RemoveElementContentArea(id, font_height);
10552     }
10553   }
10554
10555   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10556   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10557   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10558 }
10559
10560 static void DrawAndroidElementArea(void)
10561 {
10562   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10563   int num_elements = level.num_android_clone_elements;
10564   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10565   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10566   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10567   int xsize = MAX_ANDROID_ELEMENTS;
10568   int ysize = 1;
10569
10570   // display counter to choose number of element areas
10571   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
10572
10573   if (drawingarea_info[id].text_left != NULL)
10574     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10575
10576   UnmapDrawingArea(id);
10577
10578   ModifyEditorDrawingArea(id, num_elements, 1);
10579
10580   // delete content areas in case of reducing number of them
10581   DrawBackground(sx, sy,
10582                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10583                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10584
10585   MapDrawingArea(id);
10586 }
10587
10588 static void DrawGroupElementArea(void)
10589 {
10590   int id = ED_DRAWING_ID_GROUP_CONTENT;
10591   int num_elements = group_element_info.num_elements;
10592   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10593   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10594   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10595   int xsize = MAX_ELEMENTS_IN_GROUP;
10596   int ysize = 1;
10597
10598   if (drawingarea_info[id].text_left != NULL)
10599     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10600
10601   UnmapDrawingArea(id);
10602
10603   ModifyEditorDrawingArea(id, num_elements, 1);
10604
10605   // delete content areas in case of reducing number of them
10606   DrawBackground(sx, sy,
10607                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10608                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10609
10610   MapDrawingArea(id);
10611 }
10612
10613 static void DrawPlayerInitialInventoryArea(int element)
10614 {
10615   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
10616   int player_nr = GET_PLAYER_NR(element);
10617   int num_elements = level.initial_inventory_size[player_nr];
10618   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10619   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10620   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10621   int xsize = MAX_INITIAL_INVENTORY_SIZE;
10622   int ysize = 1;
10623
10624   // determine horizontal position to the right of specified gadget
10625   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
10626     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
10627           ED_DRAWINGAREA_TEXT_DISTANCE);
10628
10629   // determine horizontal offset for leading text
10630   if (drawingarea_info[id].text_left != NULL)
10631     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10632
10633   UnmapDrawingArea(id);
10634
10635   ModifyEditorDrawingArea(id, num_elements, 1);
10636
10637   // delete content areas in case of reducing number of them
10638   DrawBackground(sx, sy,
10639                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10640                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10641
10642   MapDrawingArea(id);
10643 }
10644
10645 static void DrawMMBallContentArea(void)
10646 {
10647   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
10648   int num_elements = level.num_mm_ball_contents;
10649   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10650   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10651   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10652   int xsize = MAX_MM_BALL_CONTENTS;
10653   int ysize = 1;
10654
10655   if (drawingarea_info[id].text_left != NULL)
10656     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10657
10658   UnmapDrawingArea(id);
10659
10660   ModifyEditorDrawingArea(id, num_elements, 1);
10661
10662   // delete content areas in case of reducing number of them
10663   DrawBackground(sx, sy,
10664                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10665                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10666
10667   MapDrawingArea(id);
10668 }
10669
10670 static void DrawEnvelopeTextArea(int envelope_nr)
10671 {
10672   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
10673   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
10674
10675   UnmapGadget(gi);
10676
10677   DrawBackground(gi->x, gi->y,
10678                  gi->textarea.crop_width, gi->textarea.crop_height);
10679
10680   if (envelope_nr != -1)
10681     textarea_info[id].value = level.envelope[envelope_nr].text;
10682
10683   ModifyGadget(gi, GDI_AREA_SIZE,
10684                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
10685                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
10686                GDI_END);
10687
10688   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
10689 }
10690
10691 static void DrawPropertiesInfo(void)
10692 {
10693   static struct
10694   {
10695     int value;
10696     char *text;
10697   }
10698   properties[] =
10699   {
10700     // configurable properties
10701
10702     { EP_WALKABLE_OVER,         "- player can walk over it"             },
10703     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
10704     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
10705     { EP_PASSABLE_OVER,         "- player can pass over it"             },
10706     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
10707     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
10708     { EP_PROTECTED,             "- player is protected by it"           },
10709
10710     { EP_DIGGABLE,              "- can be digged away"                  },
10711     { EP_COLLECTIBLE,           "- can be collected"                    },
10712     { EP_DROPPABLE,             "- can be dropped after collecting"     },
10713     { EP_THROWABLE,             "- can be thrown after collecting"      },
10714     { EP_PUSHABLE,              "- can be pushed"                       },
10715
10716     { EP_CAN_FALL,              "- can fall"                            },
10717     { EP_CAN_MOVE,              "- can move"                            },
10718
10719     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
10720 #if 0
10721     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
10722 #endif
10723     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
10724
10725     { EP_SLIPPERY,              "- slippery for falling elements"       },
10726     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
10727
10728     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
10729     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
10730     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
10731     { EP_DONT_TOUCH,            "- deadly when touching"                },
10732
10733     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
10734
10735     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
10736     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
10737     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
10738
10739     { EP_CAN_CHANGE,            "- can change to other element"         },
10740
10741     // pre-defined properties
10742     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
10743     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
10744     { EP_SWITCHABLE,            "- can be switched"                     },
10745 #if 0
10746     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
10747 #endif
10748
10749     { -1,                       NULL                                    }
10750   };
10751   char *filename = getElementDescriptionFilename(properties_element);
10752   char *num_elements_text = "In this level: ";
10753   char *num_similar_text = "Similar tiles: ";
10754   char *properties_text = "Standard properties: ";
10755   char *description_text = "Description:";
10756   char *no_description_text = "No description available.";
10757   char *none_text = "None";
10758   float percentage;
10759   int num_elements_in_level = 0;
10760   int num_similar_in_level = 0;
10761   int num_hires_tiles_in_level = 0;
10762   int num_standard_properties = 0;
10763   int font1_nr = FONT_TEXT_1;
10764   int font2_nr = FONT_TEXT_2;
10765   int font1_width = getFontWidth(font1_nr);
10766   int font1_height = getFontHeight(font1_nr);
10767   int font2_height = getFontHeight(font2_nr);
10768   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
10769   int font2_yoffset = (font1_height - font2_height) / 2;
10770   int num_elements_text_len = strlen(num_elements_text) * font1_width;
10771   int num_similar_text_len = strlen(num_similar_text) * font1_width;
10772   int properties_text_len = strlen(properties_text) * font1_width;
10773   int xpos = ED_ELEMENT_SETTINGS_X(0);
10774   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10775   int i, x, y;
10776
10777   if (setup.editor.show_element_token)
10778   {
10779     int font3_nr = FONT_TEXT_3;
10780     int font3_height = getFontHeight(font3_nr);
10781
10782     DrawTextF(xpos, ypos, font3_nr,
10783               "[%s]", element_info[properties_element].token_name);
10784
10785     ypos += 2 * font3_height;
10786   }
10787
10788   // ----- print number of elements / percentage of this element in level
10789
10790   for (y = 0; y < lev_fieldy; y++)
10791   {
10792     for (x = 0; x < lev_fieldx; x++)
10793     {
10794       if (Tile[x][y] == properties_element)
10795       {
10796         num_elements_in_level++;
10797       }
10798       else if (IS_MM_WALL(Tile[x][y]) &&
10799                map_mm_wall_element(Tile[x][y]) == properties_element)
10800       {
10801         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
10802       }
10803     }
10804   }
10805
10806   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10807
10808   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
10809
10810   if (num_hires_tiles_in_level > 0)
10811     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10812               "%d wall tiles", num_hires_tiles_in_level);
10813   else if (num_elements_in_level > 0)
10814     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10815               "%d (%.2f %%)", num_elements_in_level, percentage);
10816   else
10817     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10818               none_text);
10819
10820   // ----- print number of similar elements / percentage of them in level
10821
10822   for (y = 0; y < lev_fieldy; y++)
10823   {
10824     for (x = 0; x < lev_fieldx; x++)
10825     {
10826       if (strEqual(element_info[Tile[x][y]].class_name,
10827                    element_info[properties_element].class_name))
10828       {
10829         num_similar_in_level++;
10830       }
10831     }
10832   }
10833
10834   if (num_similar_in_level != num_elements_in_level)
10835   {
10836     ypos += 1 * MAX(font1_height, font2_height);
10837
10838     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10839
10840     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
10841
10842     if (num_similar_in_level > 0)
10843       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10844                 "%d (%.2f %%)", num_similar_in_level, percentage);
10845     else
10846       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10847                 none_text);
10848   }
10849
10850   ypos += 2 * MAX(font1_height, font2_height);
10851
10852   // ----- print standard properties of this element
10853
10854   DrawTextS(xpos, ypos, font1_nr, properties_text);
10855
10856   ypos += line1_height;
10857
10858   for (i = 0; properties[i].value != -1; i++)
10859   {
10860     if (!HAS_PROPERTY(properties_element, properties[i].value))
10861       continue;
10862
10863     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
10864
10865     ypos += font2_height;
10866
10867     num_standard_properties++;
10868   }
10869
10870   if (num_standard_properties == 0)
10871   {
10872     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
10873               font2_nr, none_text);
10874
10875     ypos -= (line1_height - font1_height);
10876   }
10877
10878   ypos += MAX(font1_height, font2_height);
10879
10880   // ----- print special description of this element
10881
10882   PrintInfoText(description_text, font1_nr, xpos, ypos);
10883
10884   ypos += line1_height;
10885
10886   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
10887     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
10888 }
10889
10890 #define TEXT_COLLECTING         "Score for collecting"
10891 #define TEXT_COLLECTING_EXTRA   "Score for extra diamonds"
10892 #define TEXT_SMASHING           "Score for smashing"
10893 #define TEXT_SLURPING           "Score for slurping robot"
10894 #define TEXT_CRACKING           "Score for cracking"
10895 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
10896 #define TEXT_AMOEBA_THRESHOED   "Size for turning to rocks"
10897 #define TEXT_AMOEBA_SLOW_TIME   "Slow growth time (seconds)"
10898 #define TEXT_AMOEBA_SLOW_RATE   "Slow growth rate (percent)"
10899 #define TEXT_AMOEBA_FAST_RATE   "Fast growth rate (percent)"
10900 #define TEXT_DURATION           "Duration when activated"
10901 #define TEXT_DELAY_ON           "Delay before activating"
10902 #define TEXT_DELAY_OFF          "Delay before deactivating"
10903 #define TEXT_DELAY_CHANGING     "Delay before changing"
10904 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
10905 #define TEXT_DELAY_MOVING       "Delay before moving"
10906 #define TEXT_BALL_DELAY         "Element generation delay"
10907 #define TEXT_MOVE_SPEED         "Speed of android moving"
10908 #define TEXT_CLONE_SPEED        "Speed of android cloning"
10909 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
10910 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
10911 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
10912 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
10913 #define TEXT_TIME_BONUS         "Extra time to solve level"
10914 #define TEXT_TIME_PENALTY       "Time penalty if destroyed"
10915 #define TEXT_PERMEABILITY_RATE  "slime permeability rate"
10916 #define TEXT_PERMEABILITY_BITS  "slime permeability bits"
10917 #define TEXT_RANDOM_SEED        "slime random number seed"
10918 #define TEXT_ACID_SPREAD_RATE   "Spread rate (percent)"
10919 #define TEXT_BITER_MOVE_DELAY   "Move delay (BD frames)"
10920 #define TEXT_REPLICATION_DELAY  "Create delay (BD frames)"
10921
10922 static struct
10923 {
10924   int element;
10925   int *value;
10926   char *text;
10927   int min_value;
10928   int max_value;
10929 } elements_with_counter[] =
10930 {
10931   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10932   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10933   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
10934   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10935   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10936   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10937   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10938   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
10939   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
10940   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
10941   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
10942   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
10943   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
10944   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
10945   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
10946   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
10947   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
10948   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
10949   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
10950   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
10951   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
10952   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10953   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10954   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10955   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10956   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10957   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10958   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10959   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10960   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10961   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10962   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10963   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10964   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10965   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10966   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10967   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10968   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10969   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
10970   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
10971   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
10972   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
10973   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
10974   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
10975   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
10976   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10977   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10978   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10979   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10980   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10981   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
10982   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
10983   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
10984   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
10985   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
10986   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
10987   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
10988   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
10989   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
10990   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
10991   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
10992   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
10993   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
10994   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
10995   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
10996   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
10997   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10998   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10999   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
11000   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
11001   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11002   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
11003   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11004   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11005   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11006   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11007   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11008   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11009   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11010   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11011   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
11012   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
11013   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
11014                                 0, 100                                                          },
11015   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
11016                                 0, 100                                                          },
11017   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
11018   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
11019   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
11020                                 0, 100                                                          },
11021   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11022                                 0, 100                                                          },
11023   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11024   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11025   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11026   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11027   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11028   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11029   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11030   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11031   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11032   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11033   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11034                                 -100, 100                                                       },
11035   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11036                                 0, 100                                                          },
11037   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11038                                 0, 100                                                          },
11039   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11040                                 0, 255                                                          },
11041   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11042                                 -1, 65535                                                       },
11043   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11044                                 0, 100                                                          },
11045   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11046                                 0, 3                                                            },
11047   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11048                                 0, 3                                                            },
11049   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11050                                 0, 3                                                            },
11051   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11052                                 0, 3                                                            },
11053   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11054                                 0, 3                                                            },
11055   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
11056                                 0, 100                                                          },
11057   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11058   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11059   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11060   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11061   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11062   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11063   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11064   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11065   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11066   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11067   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11068   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11069   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11070   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11071   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11072   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11073   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11074   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11075   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11076   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11077   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11078   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11079   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11080   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11081   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11082
11083   { -1,                         NULL,                                   NULL                    }
11084 };
11085
11086 static boolean checkPropertiesConfig(int element)
11087 {
11088   int i;
11089
11090   // special case: empty space customization only available in R'n'D game engine
11091   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11092     return FALSE;
11093
11094   // special case: BD style rock customization only available in BD game engine
11095   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11096     return FALSE;
11097
11098   if (IS_GEM(element) ||
11099       IS_CUSTOM_ELEMENT(element) ||
11100       IS_GROUP_ELEMENT(element) ||
11101       IS_EMPTY_ELEMENT(element) ||
11102       IS_BALLOON_ELEMENT(element) ||
11103       IS_ENVELOPE(element) ||
11104       IS_MM_ENVELOPE(element) ||
11105       IS_MM_MCDUFFIN(element) ||
11106       IS_DF_LASER(element) ||
11107       IS_PLAYER_ELEMENT(element) ||
11108       IS_BD_PLAYER_ELEMENT(element) ||
11109       IS_BD_EXPANDABLE_WALL(properties_element) ||
11110       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11111       HAS_EDITOR_CONTENT(element) ||
11112       CAN_GROW(element) ||
11113       COULD_MOVE_INTO_ACID(element) ||
11114       MAYBE_DONT_COLLIDE_WITH(element) ||
11115       element == EL_BD_ROCK ||
11116       element == EL_BD_MEGA_ROCK ||
11117       element == EL_BD_SWEET ||
11118       element == EL_BD_VOODOO_DOLL)
11119   {
11120     return TRUE;
11121   }
11122   else
11123   {
11124     for (i = 0; elements_with_counter[i].element != -1; i++)
11125       if (elements_with_counter[i].element == element)
11126         return TRUE;
11127   }
11128
11129   return FALSE;
11130 }
11131
11132 static void SetAutomaticNumberOfGemsNeeded(void)
11133 {
11134   int x, y;
11135
11136   if (!level.auto_count_gems)
11137     return;
11138
11139   level.gems_needed = 0;
11140
11141   for (x = 0; x < lev_fieldx; x++)
11142   {
11143     for (y = 0; y < lev_fieldy; y++)
11144     {
11145       int element = Tile[x][y];
11146
11147       switch (element)
11148       {
11149         case EL_EMERALD:
11150         case EL_EMERALD_YELLOW:
11151         case EL_EMERALD_RED:
11152         case EL_EMERALD_PURPLE:
11153         case EL_BD_DIAMOND:
11154         case EL_WALL_EMERALD:
11155         case EL_WALL_EMERALD_YELLOW:
11156         case EL_WALL_EMERALD_RED:
11157         case EL_WALL_EMERALD_PURPLE:
11158         case EL_WALL_BD_DIAMOND:
11159         case EL_NUT:
11160         case EL_SP_INFOTRON:
11161         case EL_MM_KETTLE:
11162         case EL_DF_CELL:
11163           level.gems_needed++;
11164           break;
11165
11166         case EL_DIAMOND:
11167         case EL_WALL_DIAMOND:
11168           level.gems_needed += 3;
11169           break;
11170
11171         case EL_PEARL:
11172         case EL_WALL_PEARL:
11173           level.gems_needed += 5;
11174           break;
11175
11176         case EL_CRYSTAL:
11177         case EL_WALL_CRYSTAL:
11178           level.gems_needed += 8;
11179           break;
11180
11181         default:
11182           break;
11183       }
11184     }
11185   }
11186
11187   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11188 }
11189
11190 static void DrawPropertiesConfig(void)
11191 {
11192   boolean draw_footer_line = FALSE;
11193   int max_num_element_counters = 4;
11194   int num_element_counters = 0;
11195   int i;
11196
11197   if (!checkPropertiesConfig(properties_element))
11198   {
11199     int xpos = ED_ELEMENT_SETTINGS_X(0);
11200     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11201
11202     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
11203
11204     return;
11205   }
11206
11207   // check if there are elements where a value can be chosen for
11208   for (i = 0; elements_with_counter[i].element != -1; i++)
11209   {
11210     if (elements_with_counter[i].element != properties_element)
11211       continue;
11212
11213     // special case: score for extra diamonds only available in BD game engine
11214     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
11215         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
11216         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11217       continue;
11218
11219     // special case: some amoeba counters only available in BD game engine
11220     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11221         elements_with_counter[i].value != &level.amoeba_speed &&
11222         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11223       continue;
11224
11225     // special case: some amoeba counters only available in R'n'D game engine
11226     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11227         elements_with_counter[i].value == &level.amoeba_speed &&
11228         level.game_engine_type == GAME_ENGINE_TYPE_BD)
11229       continue;
11230
11231     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
11232
11233     counterbutton_info[counter_id].y =
11234       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
11235                                (CAN_GROW(properties_element)                ? 1 : 0) +
11236                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
11237                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
11238                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
11239                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
11240                                (properties_element == EL_BD_ACID            ? 1 : 0) +
11241                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
11242                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
11243                                num_element_counters);
11244
11245     // special case: set amoeba counters for BD game engine separately
11246     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
11247         (properties_element == EL_BD_AMOEBA_2))
11248       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
11249
11250     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
11251     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
11252     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
11253     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
11254
11255     // default: counter values between 0 and 999
11256     if (counterbutton_info[counter_id].max_value == 0)
11257       counterbutton_info[counter_id].max_value = 999;
11258
11259     MapCounterButtons(counter_id);
11260
11261     num_element_counters++;
11262     if (num_element_counters >= max_num_element_counters)
11263       break;
11264   }
11265
11266   if (HAS_EDITOR_CONTENT(properties_element))
11267   {
11268     // draw stickybutton gadget
11269     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11270
11271     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11272     {
11273       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11274       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11275
11276       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
11277       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
11278     }
11279     else if (properties_element == EL_BD_AMOEBA_2)
11280     {
11281       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11282       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11283       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
11284
11285       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
11286       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
11287       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
11288       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
11289     }
11290     else if (IS_AMOEBOID(properties_element))
11291       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
11292     else if (properties_element == EL_BD_ACID)
11293     {
11294       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
11295       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
11296     }
11297     else if (IS_BD_BITER(properties_element))
11298     {
11299       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
11300     }
11301     else if (properties_element == EL_BD_BLADDER)
11302     {
11303       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
11304     }
11305     else if (properties_element == EL_YAMYAM ||
11306              properties_element == EL_YAMYAM_LEFT ||
11307              properties_element == EL_YAMYAM_RIGHT ||
11308              properties_element == EL_YAMYAM_UP ||
11309              properties_element == EL_YAMYAM_DOWN)
11310       DrawYamYamContentAreas();
11311     else if (properties_element == EL_EMC_MAGIC_BALL)
11312     {
11313       DrawMagicBallContentAreas();
11314
11315       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
11316       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
11317     }
11318     else if (properties_element == EL_EMC_ANDROID)
11319       DrawAndroidElementArea();
11320     else if (properties_element == EL_MM_GRAY_BALL)
11321     {
11322       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
11323       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
11324       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
11325       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
11326
11327       DrawMMBallContentArea();
11328     }
11329   }
11330
11331   if (IS_PLAYER_ELEMENT(properties_element))
11332   {
11333     int player_nr = GET_PLAYER_NR(properties_element);
11334
11335     // these properties can be set for every player individually
11336
11337     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11338     {
11339       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
11340         &level.start_element[player_nr];
11341       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
11342         &level.artwork_element[player_nr];
11343       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
11344         &level.explosion_element[player_nr];
11345
11346       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
11347         &level.use_start_element[player_nr];
11348       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
11349         &level.use_artwork_element[player_nr];
11350       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
11351         &level.use_explosion_element[player_nr];
11352       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
11353         &level.initial_player_gravity[player_nr];
11354
11355       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
11356         &level.initial_player_stepsize[player_nr];
11357
11358       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
11359       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
11360                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
11361                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
11362       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
11363       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
11364       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
11365       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
11366       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
11367       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
11368       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
11369       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
11370       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
11371       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
11372       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
11373
11374       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
11375       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
11376       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
11377
11378       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11379     }
11380     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11381     {
11382       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11383         &level.initial_inventory_content[player_nr][0];
11384
11385       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
11386         &level.initial_inventory_size[player_nr];
11387
11388       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11389         &level.use_initial_inventory[player_nr];
11390
11391       // draw checkbutton gadgets
11392       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11393       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11394       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11395
11396       // draw counter gadgets
11397       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11398
11399       // draw drawing area gadgets
11400       DrawPlayerInitialInventoryArea(properties_element);
11401     }
11402   }
11403
11404   if (IS_BD_PLAYER_ELEMENT(properties_element))
11405   {
11406     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11407       ED_ELEMENT_SETTINGS_YPOS(2);
11408     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11409       ED_ELEMENT_SETTINGS_YPOS(3);
11410     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11411       ED_ELEMENT_SETTINGS_YPOS(4);
11412
11413     // draw checkbutton gadgets
11414     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11415     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
11416     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11417
11418     // draw counter gadgets
11419     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11420     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11421
11422     // draw drawing area gadgets
11423     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
11424   }
11425
11426   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11427   {
11428     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11429       ED_ELEMENT_SETTINGS_YPOS(0);
11430     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11431       ED_ELEMENT_SETTINGS_YPOS(1);
11432
11433     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11434     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11435   }
11436
11437   if (properties_element == EL_BD_MEGA_ROCK ||
11438       properties_element == EL_BD_SWEET)
11439   {
11440     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11441       ED_ELEMENT_SETTINGS_YPOS(0);
11442     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11443       ED_ELEMENT_SETTINGS_YPOS(1);
11444
11445     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11446     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11447   }
11448
11449   if (properties_element == EL_BD_VOODOO_DOLL)
11450   {
11451     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
11452     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
11453     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
11454     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
11455   }
11456
11457   if (properties_element == EL_BD_SLIME)
11458   {
11459     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
11460   }
11461
11462   if (properties_element == EL_BD_MAGIC_WALL)
11463   {
11464     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
11465     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
11466   }
11467
11468   if (IS_BD_EXPANDABLE_WALL(properties_element))
11469   {
11470     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
11471   }
11472
11473   if (properties_element == EL_BD_REPLICATOR)
11474   {
11475     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
11476   }
11477
11478   // special case: slippery walls option for gems only available in R'n'D game engine
11479   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
11480     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
11481
11482   if (properties_element == EL_EM_DYNAMITE)
11483     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
11484
11485   if (COULD_MOVE_INTO_ACID(properties_element) &&
11486       !IS_PLAYER_ELEMENT(properties_element) &&
11487       (!IS_CUSTOM_ELEMENT(properties_element) ||
11488        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
11489   {
11490     // set position for checkbutton for "can move into acid"
11491     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
11492       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
11493     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
11494       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
11495                                IS_BALLOON_ELEMENT(properties_element) ||
11496                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11497
11498     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
11499   }
11500
11501   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
11502     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
11503
11504   if (properties_element == EL_SPRING ||
11505       properties_element == EL_SPRING_LEFT ||
11506       properties_element == EL_SPRING_RIGHT)
11507     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
11508
11509   if (properties_element == EL_TIME_ORB_FULL)
11510     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
11511
11512   if (properties_element == EL_GAME_OF_LIFE ||
11513       properties_element == EL_BIOMAZE)
11514     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
11515
11516   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11517   {
11518     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
11519       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11520
11521     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
11522   }
11523
11524   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
11525     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
11526
11527   if (properties_element == EL_SOKOBAN_OBJECT)
11528     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
11529
11530   if (properties_element == EL_SOKOBAN_OBJECT ||
11531       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
11532       properties_element == EL_SOKOBAN_FIELD_FULL)
11533   {
11534     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
11535       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
11536                                0 : 1);
11537
11538     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
11539   }
11540
11541   if (IS_BALLOON_ELEMENT(properties_element))
11542     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
11543
11544   if (IS_ENVELOPE(properties_element) ||
11545       IS_MM_ENVELOPE(properties_element))
11546   {
11547     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
11548     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
11549     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
11550     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
11551     int envelope_nr = ENVELOPE_NR(properties_element);
11552
11553     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
11554     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
11555
11556     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
11557     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
11558
11559     // display counter to choose size of envelope text area
11560     MapCounterButtons(counter1_id);
11561     MapCounterButtons(counter2_id);
11562
11563     // display checkbuttons to choose auto-wrap and alignment properties
11564     MapCheckbuttonGadget(button1_id);
11565     MapCheckbuttonGadget(button2_id);
11566
11567     DrawEnvelopeTextArea(envelope_nr);
11568   }
11569
11570   if (IS_MM_MCDUFFIN(properties_element))
11571   {
11572     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
11573     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
11574     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
11575   }
11576
11577   if (IS_DF_LASER(properties_element))
11578   {
11579     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
11580     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
11581     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
11582   }
11583
11584   if (IS_CUSTOM_ELEMENT(properties_element))
11585   {
11586     // draw stickybutton gadget
11587     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11588
11589     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11590     {
11591       // draw checkbutton gadgets
11592       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
11593            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
11594         MapCheckbuttonGadget(i);
11595
11596       // draw counter gadgets
11597       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
11598            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
11599         MapCounterButtons(i);
11600
11601       // draw selectbox gadgets
11602       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
11603            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
11604         MapSelectboxGadget(i);
11605
11606       // draw textbutton gadgets
11607       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11608
11609       // draw text input gadgets
11610       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11611
11612       // draw drawing area gadgets
11613       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11614
11615       draw_footer_line = TRUE;
11616     }
11617     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11618     {
11619       // draw checkbutton gadgets
11620       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
11621            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
11622         MapCheckbuttonGadget(i);
11623
11624       // draw counter gadgets
11625       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
11626            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
11627         MapCounterButtons(i);
11628
11629       // draw selectbox gadgets
11630       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
11631            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
11632         MapSelectboxGadget(i);
11633
11634       // draw drawing area gadgets
11635       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
11636       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
11637       DrawCustomContentArea();
11638     }
11639   }
11640   else if (IS_GROUP_ELEMENT(properties_element))
11641   {
11642     // draw stickybutton gadget
11643     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11644
11645     // draw checkbutton gadgets
11646     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11647     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11648
11649     // draw counter gadgets
11650     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
11651
11652     // draw selectbox gadgets
11653     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
11654
11655     // draw textbutton gadgets
11656     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11657
11658     // draw drawing area gadgets
11659     DrawGroupElementArea();
11660
11661     // draw text input gadgets
11662     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11663
11664     // draw drawing area gadgets
11665     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11666
11667     draw_footer_line = TRUE;
11668   }
11669   else if (IS_EMPTY_ELEMENT(properties_element))
11670   {
11671     // draw stickybutton gadget
11672     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11673
11674     // draw checkbutton gadgets
11675     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11676     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11677
11678     // draw textbutton gadgets
11679     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11680
11681     // draw drawing area gadgets
11682     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11683
11684     draw_footer_line = TRUE;
11685   }
11686
11687   // draw little footer border line above CE/GE use/save template gadgets
11688   if (draw_footer_line)
11689   {
11690     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11691     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11692     int gd_x = gd->x + gd_gi1->border.width / 2;
11693     int gd_y = gd->y + gd_gi1->height - 1;
11694     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
11695
11696     if (tab_color != BLACK_PIXEL)               // black => transparent
11697       FillRectangle(drawto,
11698                     SX + ED_ELEMENT_SETTINGS_X(0),
11699                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
11700                     ED_TAB_BAR_HEIGHT,
11701                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11702   }
11703 }
11704
11705 static void DrawPropertiesChangeDrawingAreas(void)
11706 {
11707   if (IS_CUSTOM_ELEMENT(properties_element))
11708   {
11709     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
11710     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
11711     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
11712
11713     DrawCustomChangeContentArea();
11714   }
11715
11716   redraw_mask |= REDRAW_FIELD;
11717 }
11718
11719 static void DrawPropertiesChange(void)
11720 {
11721   int i;
11722
11723   // needed to initially set selectbox options for special action options
11724   setSelectboxSpecialActionOptions();
11725
11726   // draw stickybutton gadget
11727   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11728
11729   // draw checkbutton gadgets
11730   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
11731        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
11732     MapCheckbuttonGadget(i);
11733
11734   // draw counter gadgets
11735   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
11736        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
11737     MapCounterButtons(i);
11738
11739   // draw selectbox gadgets
11740   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
11741        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
11742     MapSelectboxGadget(i);
11743
11744   // draw textbutton gadgets
11745   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
11746        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
11747     MapTextbuttonGadget(i);
11748
11749   // draw graphicbutton gadgets
11750   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
11751        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
11752     MapGraphicbuttonGadget(i);
11753
11754   // draw drawing area gadgets
11755   DrawPropertiesChangeDrawingAreas();
11756 }
11757
11758 static void DrawEditorElementAnimation(int x, int y)
11759 {
11760   int graphic = el2img(properties_element);
11761   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
11762                custom_element.ce_value_fixed_initial :
11763                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
11764                custom_element.collect_score_initial : FrameCounter);
11765
11766   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
11767 }
11768
11769 static void DrawEditorElementName(int x, int y, int font_nr)
11770 {
11771   char *element_name = getElementInfoText(properties_element);
11772   int font_width = getFontWidth(font_nr);
11773   int font_height = getFontHeight(font_nr);
11774   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
11775   int max_chars_per_line = max_text_width / font_width;
11776
11777   if (strlen(element_name) <= max_chars_per_line)
11778     DrawTextS(x, y, font_nr, element_name);
11779   else
11780   {
11781     char buffer[max_chars_per_line + 1];
11782     int next_pos = max_chars_per_line;
11783
11784     strncpy(buffer, element_name, max_chars_per_line);
11785     buffer[max_chars_per_line] = '\0';
11786
11787     if (element_name[max_chars_per_line] == ' ')
11788       next_pos++;
11789     else
11790     {
11791       int i;
11792
11793       for (i = max_chars_per_line - 1; i >= 0; i--)
11794         if (buffer[i] == ' ')
11795           break;
11796
11797       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
11798       {
11799         buffer[i] = '\0';
11800         next_pos = i + 1;
11801       }
11802     }
11803
11804     DrawTextS(x, y - font_height / 2, font_nr, buffer);
11805
11806     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
11807     buffer[max_chars_per_line] = '\0';
11808
11809     DrawTextS(x, y + font_height / 2, font_nr, buffer);
11810   }
11811 }
11812
11813 static void DrawPropertiesWindow(void)
11814 {
11815   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
11816   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
11817   int border_size = gd->border_size;
11818   int font_nr = FONT_TEXT_1;
11819   int font_height = getFontHeight(font_nr);
11820   int xoffset = TILEX + element_border + 3 * border_size;
11821   int yoffset = (TILEY - font_height) / 2;
11822   int x1 = editor.settings.element_graphic.x + element_border;
11823   int y1 = editor.settings.element_graphic.y + element_border;
11824   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
11825             editor.settings.element_name.x);
11826   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
11827             editor.settings.element_name.y);
11828   char *text = "Element Settings";
11829   int font2_nr = FONT_TITLE_1;
11830   struct MenuPosInfo *pos = &editor.settings.headline;
11831   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
11832   int sy = SY + pos->y;
11833
11834   stick_element_properties_window = FALSE;
11835
11836   // make sure that previous properties edit mode exists for this element
11837   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
11838       !IS_CUSTOM_ELEMENT(properties_element))
11839     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
11840
11841   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
11842       !IS_PLAYER_ELEMENT(properties_element) &&
11843       !IS_CUSTOM_ELEMENT(properties_element))
11844     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
11845
11846   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
11847       (IS_PLAYER_ELEMENT(properties_element) ||
11848        IS_CUSTOM_ELEMENT(properties_element)))
11849     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
11850
11851   CopyElementPropertiesToEditor(properties_element);
11852
11853   UnmapLevelEditorFieldGadgets();
11854   UnmapLevelEditorToolboxDrawingGadgets();
11855   UnmapLevelEditorToolboxCustomGadgets();
11856
11857   MapLevelEditorToolboxCustomGadgetsIfNeeded();
11858
11859   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11860   ClearField();
11861
11862   DrawText(sx, sy, text, font2_nr);
11863
11864   FrameCounter = 0;     // restart animation frame counter
11865
11866   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
11867   DrawEditorElementAnimation(SX + x1, SY + y1);
11868   DrawEditorElementName(x2, y2, font_nr);
11869
11870   DrawPropertiesTabulatorGadgets();
11871
11872   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
11873     DrawPropertiesInfo();
11874   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
11875     DrawPropertiesChange();
11876   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
11877     DrawPropertiesConfig();
11878 }
11879
11880 static void DrawPaletteWindow(void)
11881 {
11882   int i;
11883
11884   UnmapLevelEditorFieldGadgets();
11885
11886   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11887   ClearField();
11888
11889   // map buttons to select elements
11890   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
11891     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
11892   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
11893   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
11894   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
11895 }
11896
11897 static void UpdateCustomElementGraphicGadgets(void)
11898 {
11899   int i;
11900
11901   InitElementPropertiesGfxElement();
11902
11903   ModifyEditorElementList();
11904   RedrawDrawingElements();
11905
11906   // force redraw of all mapped drawing area gadgets
11907   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
11908   {
11909     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
11910
11911     if (gi->mapped)
11912       MapDrawingArea(i);
11913   }
11914 }
11915
11916 static int getOpenDirectionFromTube(int element)
11917 {
11918   switch (element)
11919   {
11920     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
11921     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
11922     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
11923     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
11924     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
11925     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
11926     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
11927     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
11928     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
11929     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
11930     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
11931   }
11932
11933   return MV_NONE;
11934 }
11935
11936 static int getTubeFromOpenDirection(int direction)
11937 {
11938   switch (direction)
11939   {
11940     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
11941     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
11942     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
11943     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
11944     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
11945     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
11946     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
11947     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
11948     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
11949     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
11950     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
11951
11952     // if only one direction, fall back to simple tube with that direction
11953     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
11954     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
11955     case (MV_UP):                       return EL_TUBE_VERTICAL;
11956     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
11957   }
11958
11959   return EL_EMPTY;
11960 }
11961
11962 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
11963 {
11964   int element_new = getTubeFromOpenDirection(direction);
11965
11966   return (element_new != EL_EMPTY ? element_new : element_old);
11967 }
11968
11969 static int getOpenDirectionFromBelt(int element)
11970 {
11971   int belt_dir = getBeltDirFromBeltElement(element);
11972
11973   return (belt_dir == MV_LEFT ? MV_RIGHT :
11974           belt_dir == MV_RIGHT ? MV_LEFT :
11975           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
11976 }
11977
11978 static int getBeltFromNrAndOpenDirection(int nr, int direction)
11979 {
11980   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
11981                   direction == MV_RIGHT ? MV_LEFT :
11982                   direction == MV_HORIZONTAL ? MV_NONE : direction);
11983
11984   if (direction == MV_NONE)
11985     return EL_EMPTY;
11986
11987   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
11988 }
11989
11990 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
11991                                                  int element_old)
11992 {
11993   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
11994
11995   return (element_new != EL_EMPTY ? element_new : element_old);
11996 }
11997
11998 static int getOpenDirectionFromPool(int element)
11999 {
12000   switch (element)
12001   {
12002     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
12003     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
12004     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
12005     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
12006     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
12007     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
12008   }
12009
12010   return MV_NONE;
12011 }
12012
12013 static int getPoolFromOpenDirection(int direction)
12014 {
12015   switch (direction)
12016   {
12017     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
12018     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
12019     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
12020     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
12021     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
12022     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
12023   }
12024
12025   return EL_EMPTY;
12026 }
12027
12028 static int getPoolFromOpenDirectionExt(int direction, int help_element)
12029 {
12030   int element = getPoolFromOpenDirection(direction);
12031   int help_direction = getOpenDirectionFromPool(help_element);
12032
12033   if (element == EL_EMPTY)
12034   {
12035     int help_direction_vertical = help_direction & MV_VERTICAL;
12036
12037     element = getPoolFromOpenDirection(direction | help_direction_vertical);
12038   }
12039
12040   if (element == EL_EMPTY)
12041   {
12042     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
12043
12044     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
12045   }
12046
12047   return element;
12048 }
12049
12050 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
12051 {
12052   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
12053
12054   return (element_new != EL_EMPTY ? element_new : element_old);
12055 }
12056
12057 static int getOpenDirectionFromPillar(int element)
12058 {
12059   switch (element)
12060   {
12061     case EL_EMC_WALL_1:                 return (MV_DOWN);
12062     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
12063     case EL_EMC_WALL_3:                 return (MV_UP);
12064   }
12065
12066   return MV_NONE;
12067 }
12068
12069 static int getPillarFromOpenDirection(int direction)
12070 {
12071   switch (direction)
12072   {
12073     case (MV_DOWN):                     return EL_EMC_WALL_1;
12074     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
12075     case (MV_UP):                       return EL_EMC_WALL_3;
12076   }
12077
12078   return EL_EMPTY;
12079 }
12080
12081 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
12082 {
12083   int element_new = getPillarFromOpenDirection(direction);
12084
12085   return (element_new != EL_EMPTY ? element_new : element_old);
12086 }
12087
12088 static int getOpenDirectionFromSteel2(int element)
12089 {
12090   switch (element)
12091   {
12092     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
12093     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
12094     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
12095     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
12096     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
12097     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
12098     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
12099     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
12100   }
12101
12102   return MV_NONE;
12103 }
12104
12105 static int getSteel2FromOpenDirection(int direction)
12106 {
12107   switch (direction)
12108   {
12109     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
12110     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
12111     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
12112     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
12113     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
12114     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
12115     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
12116     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
12117   }
12118
12119   return EL_EMPTY;
12120 }
12121
12122 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
12123 {
12124   int element_new = getSteel2FromOpenDirection(direction);
12125
12126   return (element_new != EL_EMPTY ? element_new : element_old);
12127 }
12128
12129 static int getOpenDirectionFromChip(int element)
12130 {
12131   switch (element)
12132   {
12133     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
12134     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
12135     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
12136     case EL_SP_CHIP_TOP:                return (MV_DOWN);
12137     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
12138   }
12139
12140   return MV_NONE;
12141 }
12142
12143 static int getChipFromOpenDirection(int direction)
12144 {
12145   switch (direction)
12146   {
12147     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
12148     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
12149     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
12150     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
12151     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
12152   }
12153
12154   return EL_EMPTY;
12155 }
12156
12157 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
12158 {
12159   int element_new = getChipFromOpenDirection(direction);
12160
12161   return (element_new != EL_EMPTY ? element_new : element_old);
12162 }
12163
12164 static int getClosedTube(int x, int y)
12165 {
12166   struct XY *xy = xy_directions;
12167   int element_old = IntelliDrawBuffer[x][y];
12168   int direction_old = getOpenDirectionFromTube(element_old);
12169   int direction_new = MV_NONE;
12170   int i;
12171
12172   for (i = 0; i < NUM_DIRECTIONS; i++)
12173   {
12174     int xx = x + xy[i].x;
12175     int yy = y + xy[i].y;
12176     int dir = MV_DIR_FROM_BIT(i);
12177     int dir_opposite = MV_DIR_OPPOSITE(dir);
12178
12179     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
12180         (direction_old & dir) &&
12181         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12182       direction_new |= dir;
12183   }
12184
12185   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
12186 }
12187
12188 static int getClosedBelt(int x, int y)
12189 {
12190   struct XY *xy = xy_directions;
12191   int element_old = IntelliDrawBuffer[x][y];
12192   int nr = getBeltNrFromBeltElement(element_old);
12193   int direction_old = getOpenDirectionFromBelt(element_old);
12194   int direction_new = MV_NONE;
12195   int i;
12196
12197   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12198   {
12199     int xx = x + xy[i].x;
12200     int yy = y + xy[i].y;
12201     int dir = MV_DIR_FROM_BIT(i);
12202     int dir_opposite = MV_DIR_OPPOSITE(dir);
12203
12204     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
12205         (direction_old & dir) &&
12206         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12207       direction_new |= dir;
12208   }
12209
12210   return getBeltFromNrAndOpenDirection(nr, direction_new);
12211 }
12212
12213 static int getClosedPool(int x, int y)
12214 {
12215   struct XY *xy = xy_directions;
12216   int element_old = IntelliDrawBuffer[x][y];
12217   int direction_old = getOpenDirectionFromPool(element_old);
12218   int direction_new = MV_NONE;
12219   int i;
12220
12221   for (i = 0; i < NUM_DIRECTIONS; i++)
12222   {
12223     int xx = x + xy[i].x;
12224     int yy = y + xy[i].y;
12225     int dir = MV_DIR_FROM_BIT(i);
12226     int dir_opposite = MV_DIR_OPPOSITE(dir);
12227
12228     if (IN_LEV_FIELD(xx, yy) &&
12229         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
12230         (direction_old & dir) &&
12231         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12232       direction_new |= dir;
12233   }
12234
12235   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
12236 }
12237
12238 static int getClosedPillar(int x, int y)
12239 {
12240   struct XY *xy = xy_directions;
12241   int element_old = IntelliDrawBuffer[x][y];
12242   int direction_old = getOpenDirectionFromPillar(element_old);
12243   int direction_new = MV_NONE;
12244   int i;
12245
12246   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12247   {
12248     int xx = x + xy[i].x;
12249     int yy = y + xy[i].y;
12250     int dir = MV_DIR_FROM_BIT(i);
12251     int dir_opposite = MV_DIR_OPPOSITE(dir);
12252
12253     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
12254         (direction_old & dir) &&
12255         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12256       direction_new |= dir;
12257   }
12258
12259   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
12260 }
12261
12262 static int getClosedSteel2(int x, int y)
12263 {
12264   struct XY *xy = xy_directions;
12265   int element_old = IntelliDrawBuffer[x][y];
12266   int direction_old = getOpenDirectionFromSteel2(element_old);
12267   int direction_new = MV_NONE;
12268   int i;
12269
12270   for (i = 0; i < NUM_DIRECTIONS; i++)
12271   {
12272     int xx = x + xy[i].x;
12273     int yy = y + xy[i].y;
12274     int dir = MV_DIR_FROM_BIT(i);
12275     int dir_opposite = MV_DIR_OPPOSITE(dir);
12276
12277     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
12278         (direction_old & dir) &&
12279         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12280       direction_new |= dir;
12281   }
12282
12283   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
12284 }
12285
12286 static int getClosedChip(int x, int y)
12287 {
12288   struct XY *xy = xy_directions;
12289   int element_old = IntelliDrawBuffer[x][y];
12290   int direction_old = getOpenDirectionFromChip(element_old);
12291   int direction_new = MV_NONE;
12292   int i;
12293
12294   for (i = 0; i < NUM_DIRECTIONS; i++)
12295   {
12296     int xx = x + xy[i].x;
12297     int yy = y + xy[i].y;
12298     int dir = MV_DIR_FROM_BIT(i);
12299     int dir_opposite = MV_DIR_OPPOSITE(dir);
12300
12301     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
12302         (direction_old & dir) &&
12303         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12304       direction_new |= dir;
12305   }
12306
12307   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
12308 }
12309
12310 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
12311                                 boolean change_level)
12312 {
12313   int sx = x - level_xpos;
12314   int sy = y - level_ypos;
12315   int old_element = Tile[x][y];
12316   int new_element = element;
12317   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
12318   boolean draw_masked = FALSE;
12319
12320   if (IS_MM_WALL_EDITOR(element))
12321   {
12322     element = map_mm_wall_element_editor(element) | new_bitmask;
12323
12324     if (IS_MM_WALL(old_element))
12325       element |= MM_WALL_BITS(old_element);
12326
12327     if (!change_level)
12328       draw_masked = TRUE;
12329   }
12330   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
12331   {
12332     int element_changed = old_element & ~new_bitmask;
12333
12334     if (MM_WALL_BITS(element_changed) != 0)
12335       element = element_changed;
12336   }
12337
12338   IntelliDrawBuffer[x][y] = element;
12339
12340   if (change_level)
12341     Tile[x][y] = element;
12342
12343   if (IN_ED_FIELD(sx, sy))
12344   {
12345     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
12346       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
12347     else if (draw_masked)
12348       DrawEditorElementThruMask(sx, sy, element);
12349     else
12350       DrawEditorElement(sx, sy, element);
12351   }
12352 }
12353
12354 static void SetElementSimple(int x, int y, int element, boolean change_level)
12355 {
12356   SetElementSimpleExt(x, y, 0, 0, element, change_level);
12357 }
12358
12359 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
12360                                            int x2, int y2, int *element2,
12361                                            int (*close_function)(int, int),
12362                                            boolean change_level)
12363 {
12364   // set neighbour elements to newly determined connections
12365   SetElementSimple(x1, y1, *element1, change_level);
12366   SetElementSimple(x2, y2, *element2, change_level);
12367
12368   // remove all open connections of neighbour elements
12369   *element1 = close_function(x1, y1);
12370   *element2 = close_function(x2, y2);
12371
12372   // set neighbour elements to new, minimized connections
12373   SetElementSimple(x1, y1, *element1, change_level);
12374   SetElementSimple(x2, y2, *element2, change_level);
12375 }
12376
12377 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
12378                                   boolean change_level, int button)
12379 {
12380   struct XY *xy = xy_directions;
12381   static int last_x = -1;
12382   static int last_y = -1;
12383
12384   if (new_element == EL_UNDEFINED)
12385   {
12386     last_x = -1;
12387     last_y = -1;
12388
12389     return;
12390   }
12391
12392   int old_element = IntelliDrawBuffer[x][y];
12393
12394   if (IS_TUBE(new_element))
12395   {
12396     int last_element_new = EL_UNDEFINED;
12397     int direction = MV_NONE;
12398     int i;
12399
12400     // if old element is of same kind, keep all existing directions
12401     if (IS_TUBE(old_element))
12402       direction |= getOpenDirectionFromTube(old_element);
12403
12404     for (i = 0; i < NUM_DIRECTIONS; i++)
12405     {
12406       int xx = x + xy[i].x;
12407       int yy = y + xy[i].y;
12408
12409       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12410           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
12411       {
12412         int dir = MV_DIR_FROM_BIT(i);
12413         int dir_opposite = MV_DIR_OPPOSITE(dir);
12414         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12415         int last_direction_old = getOpenDirectionFromTube(last_element_old);
12416         int last_direction_new = last_direction_old | dir_opposite;
12417
12418         last_element_new = getTubeFromOpenDirection(last_direction_new);
12419
12420         direction |= dir;
12421       }
12422     }
12423
12424     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
12425
12426     if (last_element_new != EL_UNDEFINED)
12427       MergeAndCloseNeighbourElements(x, y, &new_element,
12428                                      last_x, last_y, &last_element_new,
12429                                      getClosedTube, change_level);
12430   }
12431   else if (IS_BELT(new_element))
12432   {
12433     int belt_nr = getBeltNrFromBeltElement(new_element);
12434     int last_element_new = EL_UNDEFINED;
12435     int direction = MV_NONE;
12436     int i;
12437
12438     // if old element is of same kind, keep all existing directions
12439     if (IS_BELT(old_element))
12440       direction |= getOpenDirectionFromBelt(old_element);
12441
12442     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12443     {
12444       int xx = x + xy[i].x;
12445       int yy = y + xy[i].y;
12446
12447       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12448           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
12449       {
12450         int dir = MV_DIR_FROM_BIT(i);
12451         int dir_opposite = MV_DIR_OPPOSITE(dir);
12452         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12453         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
12454         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
12455         int last_direction_new = last_direction_old | dir_opposite;
12456
12457         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
12458                                                          last_direction_new);
12459         direction |= dir;
12460       }
12461     }
12462
12463     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
12464                                                         new_element);
12465     if (last_element_new != EL_UNDEFINED)
12466       MergeAndCloseNeighbourElements(x, y, &new_element,
12467                                      last_x, last_y, &last_element_new,
12468                                      getClosedBelt, change_level);
12469   }
12470   else if (IS_ACID_POOL_OR_ACID(new_element))
12471   {
12472     int last_element_new = EL_UNDEFINED;
12473     int direction = MV_NONE;
12474     int i;
12475
12476     // if old element is of same kind, keep all existing directions
12477     if (IS_ACID_POOL_OR_ACID(old_element))
12478       direction |= getOpenDirectionFromPool(old_element);
12479
12480     for (i = 0; i < NUM_DIRECTIONS; i++)
12481     {
12482       int xx = x + xy[i].x;
12483       int yy = y + xy[i].y;
12484
12485       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12486           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
12487       {
12488         int dir = MV_DIR_FROM_BIT(i);
12489         int dir_opposite = MV_DIR_OPPOSITE(dir);
12490         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12491         int last_direction_old = getOpenDirectionFromPool(last_element_old);
12492         int last_direction_new = last_direction_old | dir_opposite;
12493
12494         last_element_new = getPoolFromOpenDirection(last_direction_new);
12495
12496         direction |= dir;
12497       }
12498     }
12499
12500     // special corrections needed for intuitively correct acid pool drawing
12501     if (last_element_new == EL_EMPTY)
12502       last_element_new = new_element;
12503     else if (last_element_new != EL_UNDEFINED)
12504       new_element = last_element_new;
12505
12506     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
12507
12508     if (last_element_new != EL_UNDEFINED)
12509       MergeAndCloseNeighbourElements(x, y, &new_element,
12510                                      last_x, last_y, &last_element_new,
12511                                      getClosedPool, change_level);
12512   }
12513   else if (IS_EMC_PILLAR(new_element))
12514   {
12515     int last_element_new = EL_UNDEFINED;
12516     int direction = MV_NONE;
12517     int i;
12518
12519     // if old element is of same kind, keep all existing directions
12520     if (IS_EMC_PILLAR(old_element))
12521       direction |= getOpenDirectionFromPillar(old_element);
12522
12523     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12524     {
12525       int xx = x + xy[i].x;
12526       int yy = y + xy[i].y;
12527
12528       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12529           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
12530       {
12531         int dir = MV_DIR_FROM_BIT(i);
12532         int dir_opposite = MV_DIR_OPPOSITE(dir);
12533         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12534         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
12535         int last_direction_new = last_direction_old | dir_opposite;
12536
12537         last_element_new = getPillarFromOpenDirection(last_direction_new);
12538
12539         direction |= dir;
12540       }
12541     }
12542
12543     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
12544
12545     if (last_element_new != EL_UNDEFINED)
12546       MergeAndCloseNeighbourElements(x, y, &new_element,
12547                                      last_x, last_y, &last_element_new,
12548                                      getClosedPillar, change_level);
12549   }
12550   else if (IS_DC_STEELWALL_2(new_element))
12551   {
12552     int last_element_new = EL_UNDEFINED;
12553     int direction = MV_NONE;
12554     int i;
12555
12556     // if old element is of same kind, keep all existing directions
12557     if (IS_DC_STEELWALL_2(old_element))
12558       direction |= getOpenDirectionFromSteel2(old_element);
12559
12560     for (i = 0; i < NUM_DIRECTIONS; i++)
12561     {
12562       int xx = x + xy[i].x;
12563       int yy = y + xy[i].y;
12564
12565       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12566           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
12567       {
12568         int dir = MV_DIR_FROM_BIT(i);
12569         int dir_opposite = MV_DIR_OPPOSITE(dir);
12570         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12571         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
12572         int last_direction_new = last_direction_old | dir_opposite;
12573
12574         last_element_new = getSteel2FromOpenDirection(last_direction_new);
12575
12576         direction |= dir;
12577       }
12578     }
12579
12580     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
12581
12582     if (last_element_new != EL_UNDEFINED)
12583       MergeAndCloseNeighbourElements(x, y, &new_element,
12584                                      last_x, last_y, &last_element_new,
12585                                      getClosedSteel2, change_level);
12586   }
12587   else if (IS_SP_CHIP(new_element))
12588   {
12589     int last_element_new = EL_UNDEFINED;
12590     int direction = MV_NONE;
12591     int i;
12592
12593     // (do not keep existing directions, regardless of kind of old element)
12594
12595     for (i = 0; i < NUM_DIRECTIONS; i++)
12596     {
12597       int xx = x + xy[i].x;
12598       int yy = y + xy[i].y;
12599
12600       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12601           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
12602       {
12603         int dir = MV_DIR_FROM_BIT(i);
12604         int dir_opposite = MV_DIR_OPPOSITE(dir);
12605         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12606         int last_direction_old = getOpenDirectionFromChip(last_element_old);
12607         int last_direction_new = last_direction_old | dir_opposite;
12608
12609         if (last_direction_old == MV_NONE)
12610         {
12611           last_element_new = getChipFromOpenDirection(last_direction_new);
12612           direction |= dir;
12613         }
12614         else if (last_direction_old & (dir | dir_opposite))
12615         {
12616           direction |= MV_DIR_OPPOSITE(last_direction_old);
12617         }
12618         else
12619         {
12620           direction |= MV_DIR_OPPOSITE(dir);
12621         }
12622       }
12623     }
12624
12625     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
12626
12627     if (last_element_new != EL_UNDEFINED)
12628       MergeAndCloseNeighbourElements(x, y, &new_element,
12629                                      last_x, last_y, &last_element_new,
12630                                      getClosedChip, change_level);
12631   }
12632   else if (IS_SP_HARDWARE_BASE(new_element))
12633   {
12634     int nr = GetSimpleRandom(6);
12635
12636     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
12637                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
12638                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
12639                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
12640                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
12641   }
12642   else if (new_element == EL_SP_HARDWARE_GREEN ||
12643            new_element == EL_SP_HARDWARE_BLUE ||
12644            new_element == EL_SP_HARDWARE_RED)
12645   {
12646     int nr = GetSimpleRandom(3);
12647
12648     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
12649                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
12650   }
12651   else if (IS_GROUP_ELEMENT(new_element))
12652   {
12653     boolean connected_drawing = FALSE;
12654     int i;
12655
12656     for (i = 0; i < NUM_DIRECTIONS; i++)
12657     {
12658       int xx = x + xy[i].x;
12659       int yy = y + xy[i].y;
12660
12661       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12662           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
12663         connected_drawing = TRUE;
12664     }
12665
12666     if (!connected_drawing)
12667       ResolveGroupElement(new_element);
12668
12669     new_element = GetElementFromGroupElement(new_element);
12670   }
12671   else if (IS_BELT_SWITCH(old_element))
12672   {
12673     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
12674     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
12675
12676     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
12677                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
12678
12679     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
12680   }
12681   else
12682   {
12683     static int swappable_elements[][2] =
12684     {
12685       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
12686       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
12687       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
12688       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
12689       { EL_EMERALD,                     EL_WALL_EMERALD                 },
12690       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
12691       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
12692       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
12693       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
12694       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
12695       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
12696       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
12697       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
12698       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
12699       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
12700       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
12701       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
12702       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
12703       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
12704       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
12705       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
12706       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
12707       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
12708       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
12709       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
12710       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
12711       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
12712       { EL_PEARL,                       EL_WALL_PEARL                   },
12713       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
12714       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
12715       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
12716       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
12717       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
12718       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
12719       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
12720       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
12721       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
12722       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
12723       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
12724       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
12725       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
12726       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
12727       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
12728       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
12729
12730       { -1,                             -1                              },
12731     };
12732     static int rotatable_elements_4[][4] =
12733     {
12734       {
12735         EL_BUG_UP,
12736         EL_BUG_RIGHT,
12737         EL_BUG_DOWN,
12738         EL_BUG_LEFT
12739       },
12740       {
12741         EL_SPACESHIP_UP,
12742         EL_SPACESHIP_RIGHT,
12743         EL_SPACESHIP_DOWN,
12744         EL_SPACESHIP_LEFT
12745       },
12746       {
12747         EL_BD_BUTTERFLY_UP,
12748         EL_BD_BUTTERFLY_RIGHT,
12749         EL_BD_BUTTERFLY_DOWN,
12750         EL_BD_BUTTERFLY_LEFT
12751       },
12752       {
12753         EL_BD_FIREFLY_UP,
12754         EL_BD_FIREFLY_RIGHT,
12755         EL_BD_FIREFLY_DOWN,
12756         EL_BD_FIREFLY_LEFT
12757       },
12758       {
12759         EL_PACMAN_UP,
12760         EL_PACMAN_RIGHT,
12761         EL_PACMAN_DOWN,
12762         EL_PACMAN_LEFT
12763       },
12764       {
12765         EL_YAMYAM_UP,
12766         EL_YAMYAM_RIGHT,
12767         EL_YAMYAM_DOWN,
12768         EL_YAMYAM_LEFT
12769       },
12770       {
12771         EL_ARROW_UP,
12772         EL_ARROW_RIGHT,
12773         EL_ARROW_DOWN,
12774         EL_ARROW_LEFT
12775       },
12776       {
12777         EL_SP_PORT_UP,
12778         EL_SP_PORT_RIGHT,
12779         EL_SP_PORT_DOWN,
12780         EL_SP_PORT_LEFT
12781       },
12782       {
12783         EL_SP_GRAVITY_PORT_UP,
12784         EL_SP_GRAVITY_PORT_RIGHT,
12785         EL_SP_GRAVITY_PORT_DOWN,
12786         EL_SP_GRAVITY_PORT_LEFT
12787       },
12788       {
12789         EL_SP_GRAVITY_ON_PORT_UP,
12790         EL_SP_GRAVITY_ON_PORT_RIGHT,
12791         EL_SP_GRAVITY_ON_PORT_DOWN,
12792         EL_SP_GRAVITY_ON_PORT_LEFT
12793       },
12794       {
12795         EL_SP_GRAVITY_OFF_PORT_UP,
12796         EL_SP_GRAVITY_OFF_PORT_RIGHT,
12797         EL_SP_GRAVITY_OFF_PORT_DOWN,
12798         EL_SP_GRAVITY_OFF_PORT_LEFT
12799       },
12800       {
12801         EL_MOLE_UP,
12802         EL_MOLE_RIGHT,
12803         EL_MOLE_DOWN,
12804         EL_MOLE_LEFT
12805       },
12806       {
12807         EL_BALLOON_SWITCH_UP,
12808         EL_BALLOON_SWITCH_RIGHT,
12809         EL_BALLOON_SWITCH_DOWN,
12810         EL_BALLOON_SWITCH_LEFT
12811       },
12812       {
12813         EL_MM_MCDUFFIN_UP,
12814         EL_MM_MCDUFFIN_RIGHT,
12815         EL_MM_MCDUFFIN_DOWN,
12816         EL_MM_MCDUFFIN_LEFT
12817       },
12818       {
12819         EL_MM_MIRROR_FIXED_1,
12820         EL_MM_MIRROR_FIXED_4,
12821         EL_MM_MIRROR_FIXED_3,
12822         EL_MM_MIRROR_FIXED_2
12823       },
12824       {
12825         EL_MM_STEEL_GRID_FIXED_1,
12826         EL_MM_STEEL_GRID_FIXED_4,
12827         EL_MM_STEEL_GRID_FIXED_2,
12828         EL_MM_STEEL_GRID_FIXED_3
12829       },
12830       {
12831         EL_MM_WOODEN_GRID_FIXED_1,
12832         EL_MM_WOODEN_GRID_FIXED_4,
12833         EL_MM_WOODEN_GRID_FIXED_2,
12834         EL_MM_WOODEN_GRID_FIXED_3
12835       },
12836       {
12837         EL_MM_POLARIZER_CROSS_1,
12838         EL_MM_POLARIZER_CROSS_4,
12839         EL_MM_POLARIZER_CROSS_3,
12840         EL_MM_POLARIZER_CROSS_2
12841       },
12842       {
12843         EL_MM_PACMAN_UP,
12844         EL_MM_PACMAN_RIGHT,
12845         EL_MM_PACMAN_DOWN,
12846         EL_MM_PACMAN_LEFT
12847       },
12848       {
12849         EL_DF_LASER_UP,
12850         EL_DF_LASER_RIGHT,
12851         EL_DF_LASER_DOWN,
12852         EL_DF_LASER_LEFT
12853       },
12854       {
12855         EL_DF_RECEIVER_UP,
12856         EL_DF_RECEIVER_RIGHT,
12857         EL_DF_RECEIVER_DOWN,
12858         EL_DF_RECEIVER_LEFT
12859       },
12860       {
12861         EL_DF_SLOPE_1,
12862         EL_DF_SLOPE_4,
12863         EL_DF_SLOPE_3,
12864         EL_DF_SLOPE_2
12865       },
12866
12867       {
12868         -1,
12869       },
12870     };
12871     static int rotatable_elements_8[][8] =
12872     {
12873       {
12874         EL_DF_STEEL_GRID_FIXED_1,
12875         EL_DF_STEEL_GRID_FIXED_8,
12876         EL_DF_STEEL_GRID_FIXED_7,
12877         EL_DF_STEEL_GRID_FIXED_6,
12878         EL_DF_STEEL_GRID_FIXED_5,
12879         EL_DF_STEEL_GRID_FIXED_4,
12880         EL_DF_STEEL_GRID_FIXED_3,
12881         EL_DF_STEEL_GRID_FIXED_2
12882       },
12883       {
12884         EL_DF_WOODEN_GRID_FIXED_1,
12885         EL_DF_WOODEN_GRID_FIXED_8,
12886         EL_DF_WOODEN_GRID_FIXED_7,
12887         EL_DF_WOODEN_GRID_FIXED_6,
12888         EL_DF_WOODEN_GRID_FIXED_5,
12889         EL_DF_WOODEN_GRID_FIXED_4,
12890         EL_DF_WOODEN_GRID_FIXED_3,
12891         EL_DF_WOODEN_GRID_FIXED_2
12892       },
12893       {
12894         EL_DF_STEEL_GRID_ROTATING_1,
12895         EL_DF_STEEL_GRID_ROTATING_8,
12896         EL_DF_STEEL_GRID_ROTATING_7,
12897         EL_DF_STEEL_GRID_ROTATING_6,
12898         EL_DF_STEEL_GRID_ROTATING_5,
12899         EL_DF_STEEL_GRID_ROTATING_4,
12900         EL_DF_STEEL_GRID_ROTATING_3,
12901         EL_DF_STEEL_GRID_ROTATING_2
12902       },
12903       {
12904         EL_DF_WOODEN_GRID_ROTATING_1,
12905         EL_DF_WOODEN_GRID_ROTATING_8,
12906         EL_DF_WOODEN_GRID_ROTATING_7,
12907         EL_DF_WOODEN_GRID_ROTATING_6,
12908         EL_DF_WOODEN_GRID_ROTATING_5,
12909         EL_DF_WOODEN_GRID_ROTATING_4,
12910         EL_DF_WOODEN_GRID_ROTATING_3,
12911         EL_DF_WOODEN_GRID_ROTATING_2
12912       },
12913
12914       {
12915         -1,
12916       },
12917     };
12918     static int rotatable_elements_16[][16] =
12919     {
12920       {
12921         EL_MM_MIRROR_1,
12922         EL_MM_MIRROR_16,
12923         EL_MM_MIRROR_15,
12924         EL_MM_MIRROR_14,
12925         EL_MM_MIRROR_13,
12926         EL_MM_MIRROR_12,
12927         EL_MM_MIRROR_11,
12928         EL_MM_MIRROR_10,
12929         EL_MM_MIRROR_9,
12930         EL_MM_MIRROR_8,
12931         EL_MM_MIRROR_7,
12932         EL_MM_MIRROR_6,
12933         EL_MM_MIRROR_5,
12934         EL_MM_MIRROR_4,
12935         EL_MM_MIRROR_3,
12936         EL_MM_MIRROR_2
12937       },
12938       {
12939         EL_MM_TELEPORTER_5,
12940         EL_MM_TELEPORTER_4,
12941         EL_MM_TELEPORTER_3,
12942         EL_MM_TELEPORTER_2,
12943         EL_MM_TELEPORTER_1,
12944         EL_MM_TELEPORTER_16,
12945         EL_MM_TELEPORTER_15,
12946         EL_MM_TELEPORTER_14,
12947         EL_MM_TELEPORTER_13,
12948         EL_MM_TELEPORTER_12,
12949         EL_MM_TELEPORTER_11,
12950         EL_MM_TELEPORTER_10,
12951         EL_MM_TELEPORTER_9,
12952         EL_MM_TELEPORTER_8,
12953         EL_MM_TELEPORTER_7,
12954         EL_MM_TELEPORTER_6
12955       },
12956       {
12957         EL_MM_TELEPORTER_RED_5,
12958         EL_MM_TELEPORTER_RED_4,
12959         EL_MM_TELEPORTER_RED_3,
12960         EL_MM_TELEPORTER_RED_2,
12961         EL_MM_TELEPORTER_RED_1,
12962         EL_MM_TELEPORTER_RED_16,
12963         EL_MM_TELEPORTER_RED_15,
12964         EL_MM_TELEPORTER_RED_14,
12965         EL_MM_TELEPORTER_RED_13,
12966         EL_MM_TELEPORTER_RED_12,
12967         EL_MM_TELEPORTER_RED_11,
12968         EL_MM_TELEPORTER_RED_10,
12969         EL_MM_TELEPORTER_RED_9,
12970         EL_MM_TELEPORTER_RED_8,
12971         EL_MM_TELEPORTER_RED_7,
12972         EL_MM_TELEPORTER_RED_6
12973       },
12974       {
12975         EL_MM_TELEPORTER_YELLOW_5,
12976         EL_MM_TELEPORTER_YELLOW_4,
12977         EL_MM_TELEPORTER_YELLOW_3,
12978         EL_MM_TELEPORTER_YELLOW_2,
12979         EL_MM_TELEPORTER_YELLOW_1,
12980         EL_MM_TELEPORTER_YELLOW_16,
12981         EL_MM_TELEPORTER_YELLOW_15,
12982         EL_MM_TELEPORTER_YELLOW_14,
12983         EL_MM_TELEPORTER_YELLOW_13,
12984         EL_MM_TELEPORTER_YELLOW_12,
12985         EL_MM_TELEPORTER_YELLOW_11,
12986         EL_MM_TELEPORTER_YELLOW_10,
12987         EL_MM_TELEPORTER_YELLOW_9,
12988         EL_MM_TELEPORTER_YELLOW_8,
12989         EL_MM_TELEPORTER_YELLOW_7,
12990         EL_MM_TELEPORTER_YELLOW_6
12991       },
12992       {
12993         EL_MM_TELEPORTER_GREEN_5,
12994         EL_MM_TELEPORTER_GREEN_4,
12995         EL_MM_TELEPORTER_GREEN_3,
12996         EL_MM_TELEPORTER_GREEN_2,
12997         EL_MM_TELEPORTER_GREEN_1,
12998         EL_MM_TELEPORTER_GREEN_16,
12999         EL_MM_TELEPORTER_GREEN_15,
13000         EL_MM_TELEPORTER_GREEN_14,
13001         EL_MM_TELEPORTER_GREEN_13,
13002         EL_MM_TELEPORTER_GREEN_12,
13003         EL_MM_TELEPORTER_GREEN_11,
13004         EL_MM_TELEPORTER_GREEN_10,
13005         EL_MM_TELEPORTER_GREEN_9,
13006         EL_MM_TELEPORTER_GREEN_8,
13007         EL_MM_TELEPORTER_GREEN_7,
13008         EL_MM_TELEPORTER_GREEN_6
13009       },
13010       {
13011         EL_MM_TELEPORTER_BLUE_5,
13012         EL_MM_TELEPORTER_BLUE_4,
13013         EL_MM_TELEPORTER_BLUE_3,
13014         EL_MM_TELEPORTER_BLUE_2,
13015         EL_MM_TELEPORTER_BLUE_1,
13016         EL_MM_TELEPORTER_BLUE_16,
13017         EL_MM_TELEPORTER_BLUE_15,
13018         EL_MM_TELEPORTER_BLUE_14,
13019         EL_MM_TELEPORTER_BLUE_13,
13020         EL_MM_TELEPORTER_BLUE_12,
13021         EL_MM_TELEPORTER_BLUE_11,
13022         EL_MM_TELEPORTER_BLUE_10,
13023         EL_MM_TELEPORTER_BLUE_9,
13024         EL_MM_TELEPORTER_BLUE_8,
13025         EL_MM_TELEPORTER_BLUE_7,
13026         EL_MM_TELEPORTER_BLUE_6
13027       },
13028       {
13029         EL_MM_POLARIZER_1,
13030         EL_MM_POLARIZER_16,
13031         EL_MM_POLARIZER_15,
13032         EL_MM_POLARIZER_14,
13033         EL_MM_POLARIZER_13,
13034         EL_MM_POLARIZER_12,
13035         EL_MM_POLARIZER_11,
13036         EL_MM_POLARIZER_10,
13037         EL_MM_POLARIZER_9,
13038         EL_MM_POLARIZER_8,
13039         EL_MM_POLARIZER_7,
13040         EL_MM_POLARIZER_6,
13041         EL_MM_POLARIZER_5,
13042         EL_MM_POLARIZER_4,
13043         EL_MM_POLARIZER_3,
13044         EL_MM_POLARIZER_2
13045       },
13046       {
13047         EL_DF_MIRROR_1,
13048         EL_DF_MIRROR_16,
13049         EL_DF_MIRROR_15,
13050         EL_DF_MIRROR_14,
13051         EL_DF_MIRROR_13,
13052         EL_DF_MIRROR_12,
13053         EL_DF_MIRROR_11,
13054         EL_DF_MIRROR_10,
13055         EL_DF_MIRROR_9,
13056         EL_DF_MIRROR_8,
13057         EL_DF_MIRROR_7,
13058         EL_DF_MIRROR_6,
13059         EL_DF_MIRROR_5,
13060         EL_DF_MIRROR_4,
13061         EL_DF_MIRROR_3,
13062         EL_DF_MIRROR_2
13063       },
13064       {
13065         EL_DF_MIRROR_ROTATING_1,
13066         EL_DF_MIRROR_ROTATING_16,
13067         EL_DF_MIRROR_ROTATING_15,
13068         EL_DF_MIRROR_ROTATING_14,
13069         EL_DF_MIRROR_ROTATING_13,
13070         EL_DF_MIRROR_ROTATING_12,
13071         EL_DF_MIRROR_ROTATING_11,
13072         EL_DF_MIRROR_ROTATING_10,
13073         EL_DF_MIRROR_ROTATING_9,
13074         EL_DF_MIRROR_ROTATING_8,
13075         EL_DF_MIRROR_ROTATING_7,
13076         EL_DF_MIRROR_ROTATING_6,
13077         EL_DF_MIRROR_ROTATING_5,
13078         EL_DF_MIRROR_ROTATING_4,
13079         EL_DF_MIRROR_ROTATING_3,
13080         EL_DF_MIRROR_ROTATING_2
13081       },
13082       {
13083         EL_DF_MIRROR_FIXED_1,
13084         EL_DF_MIRROR_FIXED_16,
13085         EL_DF_MIRROR_FIXED_15,
13086         EL_DF_MIRROR_FIXED_14,
13087         EL_DF_MIRROR_FIXED_13,
13088         EL_DF_MIRROR_FIXED_12,
13089         EL_DF_MIRROR_FIXED_11,
13090         EL_DF_MIRROR_FIXED_10,
13091         EL_DF_MIRROR_FIXED_9,
13092         EL_DF_MIRROR_FIXED_8,
13093         EL_DF_MIRROR_FIXED_7,
13094         EL_DF_MIRROR_FIXED_6,
13095         EL_DF_MIRROR_FIXED_5,
13096         EL_DF_MIRROR_FIXED_4,
13097         EL_DF_MIRROR_FIXED_3,
13098         EL_DF_MIRROR_FIXED_2
13099       },
13100
13101       {
13102         -1,
13103       },
13104     };
13105     int i, j;
13106
13107     for (i = 0; swappable_elements[i][0] != -1; i++)
13108     {
13109       int element1 = swappable_elements[i][0];
13110       int element2 = swappable_elements[i][1];
13111
13112       if (old_element == element1 || old_element == element2)
13113         new_element = (old_element == element1 ? element2 : element1);
13114     }
13115
13116     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
13117     {
13118       for (j = 0; j < 4; j++)
13119       {
13120         int element = rotatable_elements_4[i][j];
13121
13122         if (old_element == element)
13123           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
13124                          button == 2 ? rotatable_elements_4[i][0]           :
13125                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
13126                          old_element);
13127       }
13128     }
13129
13130     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
13131     {
13132       for (j = 0; j < 8; j++)
13133       {
13134         int element = rotatable_elements_8[i][j];
13135
13136         if (old_element == element)
13137           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
13138                          button == 2 ? rotatable_elements_8[i][0]           :
13139                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
13140                          old_element);
13141       }
13142     }
13143
13144     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
13145     {
13146       for (j = 0; j < 16; j++)
13147       {
13148         int element = rotatable_elements_16[i][j];
13149
13150         if (old_element == element)
13151           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
13152                          button == 2 ? rotatable_elements_16[i][0]             :
13153                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
13154                          old_element);
13155       }
13156     }
13157
13158     if (old_element != new_element)
13159     {
13160       int max_infotext_len = getMaxInfoTextLength();
13161       char infotext[MAX_OUTPUT_LINESIZE + 1];
13162
13163       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
13164       infotext[max_infotext_len] = '\0';
13165
13166       ClearEditorGadgetInfoText();
13167
13168       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
13169                 infotext);
13170     }
13171   }
13172
13173   if (IS_MM_WALL_EDITOR(new_element))
13174     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
13175   else
13176     SetElementSimple(x, y, new_element, change_level);
13177
13178   last_x = x;
13179   last_y = y;
13180 }
13181
13182 static void ResetIntelliDraw(void)
13183 {
13184   int x, y;
13185
13186   for (x = 0; x < lev_fieldx; x++)
13187     for (y = 0; y < lev_fieldy; y++)
13188       IntelliDrawBuffer[x][y] = Tile[x][y];
13189
13190   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
13191 }
13192
13193 static boolean draw_mode_hires = FALSE;
13194
13195 static boolean isHiresTileElement(int element)
13196 {
13197   return (IS_MM_WALL(element)        || element == EL_EMPTY);
13198 }
13199
13200 static boolean isHiresDrawElement(int element)
13201 {
13202   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
13203 }
13204
13205 static int numHiresTiles(int element)
13206 {
13207   if (IS_MM_WALL(element))
13208     return get_number_of_bits(MM_WALL_BITS(element));
13209
13210   return 1;
13211 }
13212
13213 static void SetDrawModeHiRes(int element)
13214 {
13215   draw_mode_hires =
13216     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13217      isHiresDrawElement(element));
13218 }
13219
13220 static boolean getDrawModeHiRes(void)
13221 {
13222   return draw_mode_hires;
13223 }
13224
13225 static int getLoResScreenPos(int pos)
13226 {
13227   return (getDrawModeHiRes() ? pos / 2 : pos);
13228 }
13229
13230 static int getLoResScreenMod(int pos)
13231 {
13232   return (getDrawModeHiRes() ? pos % 2 : 0);
13233 }
13234
13235 static void SetElementExt(int x, int y, int dx, int dy, int element,
13236                           boolean change_level, int button)
13237 {
13238   if (element < 0)
13239     SetElementSimple(x, y, Tile[x][y], change_level);
13240   else if (GetKeyModState() & KMOD_Shift)
13241     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
13242   else
13243     SetElementSimpleExt(x, y, dx, dy, element, change_level);
13244 }
13245
13246 static void SetElement(int x, int y, int element)
13247 {
13248   SetElementExt(x, y, 0, 0, element, TRUE, -1);
13249 }
13250
13251 static void SetElementButton(int x, int y, int dx, int dy, int element,
13252                              int button)
13253 {
13254   SetElementExt(x, y, dx, dy, element, TRUE, button);
13255 }
13256
13257 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
13258 {
13259   int lx = getLoResScreenPos(sx2) + level_xpos;
13260   int ly = getLoResScreenPos(sy2) + level_ypos;
13261   int dx = getLoResScreenMod(sx2);
13262   int dy = getLoResScreenMod(sy2);
13263
13264   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
13265 }
13266
13267 static void SetLevelElementHiRes(int lx2, int ly2, int element)
13268 {
13269   int lx = lx2 / 2;
13270   int ly = ly2 / 2;
13271   int dx = lx2 % 2;
13272   int dy = ly2 % 2;
13273
13274   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
13275 }
13276
13277 static int getLevelElementHiRes(int lx2, int ly2)
13278 {
13279   int lx = lx2 / 2;
13280   int ly = ly2 / 2;
13281   int dx = lx2 % 2;
13282   int dy = ly2 % 2;
13283   int element = Tile[lx][ly];
13284   unsigned int bitmask = (dx + 1) << (dy * 2);
13285
13286   if (IS_MM_WALL(element))
13287   {
13288     if (element & bitmask)
13289       return map_mm_wall_element(element);
13290     else
13291       return EL_EMPTY;
13292   }
13293
13294   return element;
13295 }
13296
13297 static void DrawLineElement(int x, int y, int element, boolean change_level)
13298 {
13299   SetElementHiRes(x, y, element, change_level);
13300 }
13301
13302 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
13303                      int element, boolean change_level)
13304 {
13305   int xsize = ABS(to_x - from_x);
13306   int ysize = ABS(to_y - from_y);
13307   int dx = (to_x < from_x ? -1 : +1);
13308   int dy = (to_y < from_y ? -1 : +1);
13309   int i;
13310
13311   if (from_y == to_y)                   // horizontal line
13312   {
13313     for (i = 0; i <= xsize; i++)
13314       DrawLineElement(from_x + i * dx, from_y, element, change_level);
13315   }
13316   else if (from_x == to_x)              // vertical line
13317   {
13318     for (i = 0; i <= ysize; i++)
13319       DrawLineElement(from_x, from_y + i * dy, element, change_level);
13320   }
13321   else                                  // diagonal line
13322   {
13323     if (ysize < xsize)                  // a < 1
13324     {
13325       float a = (float)ysize / (float)xsize;
13326
13327       for (i = 0; i <= xsize; i++)
13328       {
13329         int x = dx * i;
13330         int y = dy * (int)(a * i + 0.5);
13331
13332         DrawLineElement(from_x + x, from_y + y, element, change_level);
13333       }
13334     }
13335     else                                // a >= 1
13336     {
13337       float a = (float)xsize / (float)ysize;
13338
13339       for (i = 0; i <= ysize; i++)
13340       {
13341         int x = dx * (int)(a * i + 0.5);
13342         int y = dy * i;
13343
13344         DrawLineElement(from_x + x, from_y + y, element, change_level);
13345       }
13346     }
13347   }
13348 }
13349
13350 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
13351                     int element, boolean change_level)
13352 {
13353   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
13354   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
13355   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
13356   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
13357 }
13358
13359 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
13360                           int element, boolean change_level)
13361 {
13362   int y;
13363
13364   if (from_y > to_y)
13365     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
13366
13367   for (y = from_y; y <= to_y; y++)
13368     DrawLine(from_x, y, to_x, y, element, change_level);
13369 }
13370
13371 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
13372                        int element, boolean change_level)
13373 {
13374   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
13375   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
13376   int len_x = ABS(to_x - from_x);
13377   int len_y = ABS(to_y - from_y);
13378   int radius, x, y;
13379
13380   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
13381
13382   // not optimal (some points get drawn twice) but simple,
13383   // and fast enough for the few points we are drawing
13384
13385   for (x = 0; x <= radius; x++)
13386   {
13387     int sx, sy, sx2, sy2, lx, ly;
13388
13389     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
13390
13391     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13392     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13393     sx = getLoResScreenPos(sx2);
13394     sy = getLoResScreenPos(sy2);
13395     lx = sx + level_xpos;
13396     ly = sy + level_ypos;
13397
13398     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13399       DrawLineElement(sx2, sy2, element, change_level);
13400   }
13401
13402   for (y = 0; y <= radius; y++)
13403   {
13404     int sx, sy, sx2, sy2, lx, ly;
13405
13406     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
13407
13408     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13409     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13410     sx = getLoResScreenPos(sx2);
13411     sy = getLoResScreenPos(sy2);
13412     lx = sx + level_xpos;
13413     ly = sy + level_ypos;
13414
13415     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13416       DrawLineElement(sx2, sy2, element, change_level);
13417   }
13418 }
13419
13420 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
13421                     int element, boolean change_level)
13422 {
13423   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13424   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13425
13426   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13427 }
13428
13429 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
13430
13431 #if DRAW_CIRCLES_BUTTON_AVAILABLE
13432 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
13433                        int element, boolean change_level)
13434 {
13435   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13436   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13437   int mirror_to_x2 = from_x - (to_x2 - from_x);
13438   int mirror_to_y2 = from_y - (to_y2 - from_y);
13439
13440   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13441   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
13442   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
13443   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
13444 }
13445 #endif
13446
13447 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
13448 {
13449   int from_sx, from_sy;
13450   int to_sx, to_sy;
13451
13452   if (from_x > to_x)
13453     swap_numbers(&from_x, &to_x);
13454
13455   if (from_y > to_y)
13456     swap_numbers(&from_y, &to_y);
13457
13458   from_sx = SX + from_x * ed_tilesize;
13459   from_sy = SY + from_y * ed_tilesize;
13460   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
13461   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
13462
13463   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
13464   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
13465   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
13466   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
13467
13468   if (from_x == to_x && from_y == to_y)
13469     MarkTileDirty(from_x/2, from_y/2);
13470   else
13471     redraw_mask |= REDRAW_FIELD;
13472 }
13473
13474 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
13475                         int element, boolean change_level)
13476 {
13477   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
13478 }
13479
13480 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
13481                        int element, boolean change_level)
13482 {
13483   if (element == -1 || change_level)
13484     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
13485   else
13486     DrawAreaBorder(from_x, from_y, to_x, to_y);
13487 }
13488
13489 // values for CopyBrushExt()
13490 #define CB_AREA_TO_BRUSH                0
13491 #define CB_BRUSH_TO_CURSOR              1
13492 #define CB_BRUSH_TO_LEVEL               2
13493 #define CB_DELETE_OLD_CURSOR            3
13494 #define CB_DUMP_BRUSH                   4
13495 #define CB_DUMP_BRUSH_SMALL             5
13496 #define CB_CLIPBOARD_TO_BRUSH           6
13497 #define CB_BRUSH_TO_CLIPBOARD           7
13498 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
13499 #define CB_UPDATE_BRUSH_POSITION        9
13500 #define CB_FLIP_BRUSH_X                 10
13501 #define CB_FLIP_BRUSH_Y                 11
13502 #define CB_FLIP_BRUSH_XY                12
13503
13504 #define MAX_CB_PART_SIZE        10
13505 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
13506 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
13507 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
13508                                  MAX_CB_NUM_LINES *     \
13509                                  MAX_CB_PART_SIZE)
13510
13511 static int getFlippedTileExt(int map[], int element)
13512 {
13513   int i;
13514
13515   for (i = 0; map[i] != -1; i++)
13516     if (map[i] == element)
13517       return map[i ^ 1];        // get flipped element by flipping LSB of index
13518
13519   return element;
13520 }
13521
13522 static int getFlippedTileX(int element)
13523 {
13524   int map[] =
13525   {
13526     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
13527     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
13528     EL_BUG_LEFT,                        EL_BUG_RIGHT,
13529     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
13530     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
13531     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
13532     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
13533     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
13534     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
13535     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
13536     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
13537     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
13538     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
13539     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
13540     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
13541     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
13542     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
13543     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
13544     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
13545     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
13546     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
13547     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
13548     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
13549     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
13550     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
13551     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
13552     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13553     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
13554     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
13555     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
13556
13557     -1
13558   };
13559
13560   return getFlippedTileExt(map, element);
13561 }
13562
13563 static int getFlippedTileY(int element)
13564 {
13565   int map[] =
13566   {
13567     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
13568     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
13569     EL_BUG_UP,                          EL_BUG_DOWN,
13570     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
13571     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
13572     EL_ARROW_UP,                        EL_ARROW_DOWN,
13573     EL_MOLE_UP,                         EL_MOLE_DOWN,
13574     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
13575     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
13576     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
13577     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
13578     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
13579     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
13580     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
13581     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
13582     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
13583     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
13584     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
13585     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
13586     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
13587     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13588     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13589     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
13590     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
13591
13592     -1
13593   };
13594
13595   return getFlippedTileExt(map, element);
13596 }
13597
13598 static int getFlippedTileXY(int element)
13599 {
13600   int map[] =
13601   {
13602     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
13603     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
13604     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
13605     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
13606     EL_BUG_LEFT,                        EL_BUG_UP,
13607     EL_BUG_RIGHT,                       EL_BUG_DOWN,
13608     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
13609     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
13610     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
13611     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
13612     EL_ARROW_LEFT,                      EL_ARROW_UP,
13613     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
13614     EL_MOLE_LEFT,                       EL_MOLE_UP,
13615     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
13616     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
13617     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
13618     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
13619     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
13620     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
13621     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
13622     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
13623     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
13624     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
13625     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
13626     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
13627     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
13628     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
13629     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
13630     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
13631     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
13632     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
13633     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
13634     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
13635     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
13636     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
13637     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
13638     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13639     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
13640     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
13641     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
13642     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
13643     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
13644
13645     -1
13646   };
13647
13648   return getFlippedTileExt(map, element);
13649 }
13650
13651 static int getFlippedTile(int element, int mode)
13652 {
13653   if (IS_MM_ELEMENT(element))
13654   {
13655     // get MM game element
13656     element = map_element_RND_to_MM(element);
13657
13658     // get flipped game element
13659     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
13660                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
13661                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
13662                element);
13663
13664     // get RND game element again
13665     element = map_element_MM_to_RND(element);
13666   }
13667   else
13668   {
13669     // get flipped game element
13670     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
13671                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
13672                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
13673                element);
13674   }
13675
13676   return element;
13677 }
13678
13679 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
13680 {
13681   // flip tiles
13682   short tile1_flipped = getFlippedTile(*tile1, mode);
13683   short tile2_flipped = getFlippedTile(*tile2, mode);
13684
13685   // swap tiles
13686   *tile1 = tile2_flipped;
13687   *tile2 = tile1_flipped;
13688 }
13689
13690 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
13691 {
13692   DrawLineElement(sx, sy, element, change_level);
13693 }
13694
13695 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
13696                          int button, int mode)
13697 {
13698   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13699   static int brush_width, brush_height;
13700   static int last_cursor_x = -1, last_cursor_y = -1;
13701   static boolean delete_old_brush = FALSE;
13702   int new_element = BUTTON_ELEMENT(button);
13703   int x, y;
13704
13705   if (mode == CB_DUMP_BRUSH ||
13706       mode == CB_DUMP_BRUSH_SMALL ||
13707       mode == CB_BRUSH_TO_CLIPBOARD ||
13708       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13709   {
13710     if (edit_mode != ED_MODE_DRAWING)
13711       return;
13712
13713     char part[MAX_CB_PART_SIZE + 1] = "";
13714     char text[MAX_CB_TEXT_SIZE + 1] = "";
13715     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
13716     int height = (draw_with_brush ? brush_height : lev_fieldy);
13717     char *format = "%s%03d";
13718
13719     for (y = 0; y < height; y++)
13720       for (x = 0; x < width; x++)
13721         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
13722           format = "%s%04d";
13723
13724     for (y = 0; y < height; y++)
13725     {
13726       for (x = 0; x < width; x++)
13727       {
13728         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
13729         char *prefix = (mode == CB_DUMP_BRUSH ||
13730                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
13731
13732         if (element >= NUM_FILE_ELEMENTS)
13733           element = EL_UNKNOWN;
13734
13735         // copy brush to level sketch text buffer for the R'n'D forum:
13736         // - large tiles: `xxx or `xxxx (0x60 ASCII)
13737         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
13738         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
13739         strcat(text, part);
13740       }
13741
13742       strcat(text, "\n");
13743     }
13744
13745     if (mode == CB_BRUSH_TO_CLIPBOARD ||
13746         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13747       SDL_SetClipboardText(text);
13748     else
13749       Print("%s", text);        // print brush data to console and log file
13750
13751     return;
13752   }
13753
13754   if (mode == CB_CLIPBOARD_TO_BRUSH)
13755   {
13756     if (edit_mode != ED_MODE_DRAWING)
13757       return;
13758
13759     if (!SDL_HasClipboardText())
13760     {
13761       Request("Clipboard is empty!", REQ_CONFIRM);
13762
13763       return;
13764     }
13765
13766     boolean copy_to_brush = (draw_with_brush ||
13767                              drawing_function == GADGET_ID_GRAB_BRUSH);
13768
13769     // this will delete the old brush, if already drawing with a brush
13770     if (copy_to_brush)
13771       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
13772
13773     // initialization is required for "odd" (incomplete) clipboard content
13774     for (x = 0; x < MAX_LEV_FIELDX; x++)
13775       for (y = 0; y < MAX_LEV_FIELDY; y++)
13776         brush_buffer[x][y] = EL_EMPTY;
13777
13778     brush_width  = 0;
13779     brush_height = 0;
13780     x = 0;
13781     y = 0;
13782
13783     char *clipboard_text = SDL_GetClipboardText();
13784     char *ptr = clipboard_text;
13785     boolean allow_new_row = FALSE;
13786     boolean stop = FALSE;
13787
13788     while (*ptr && !stop)
13789     {
13790       boolean prefix_found = FALSE;
13791       boolean start_new_row = FALSE;
13792
13793       // level sketch element number prefixes (may be multi-byte characters)
13794       char *prefix_list[] = { "`", "¸" };
13795       int i;
13796
13797       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
13798       {
13799         char *prefix = prefix_list[i];
13800
13801         // check if string is large enough for prefix
13802         if (strlen(ptr) < strlen(prefix))
13803         {
13804           stop = TRUE;
13805
13806           break;
13807         }
13808
13809         // check if string starts with prefix
13810         if (strPrefix(ptr, prefix))
13811         {
13812           ptr += strlen(prefix);
13813
13814           prefix_found = TRUE;
13815
13816           break;
13817         }
13818       }
13819
13820       // check if prefix found and followed by (at least) three digits
13821       if (prefix_found &&
13822           strlen(ptr) >= 3 &&
13823           ptr[0] >= '0' && ptr[0] <= '9' &&
13824           ptr[1] >= '0' && ptr[1] <= '9' &&
13825           ptr[2] >= '0' && ptr[2] <= '9')
13826       {
13827         int element = ((ptr[0] - '0') * 100 +
13828                        (ptr[1] - '0') * 10 +
13829                        (ptr[2] - '0'));
13830
13831         ptr += 3;
13832
13833         // level sketch element number might consist of four digits
13834         if (ptr[0] >= '0' && ptr[0] <= '9')
13835         {
13836           element = element * 10 + (ptr[0] - '0');
13837           ptr++;
13838         }
13839
13840         // remap some (historic, now obsolete) elements
13841         element = getMappedElement(element);
13842
13843         if (element >= NUM_FILE_ELEMENTS)
13844           element = EL_UNKNOWN;
13845
13846         brush_buffer[x][y] = element;
13847
13848         brush_width  = MAX(x + 1, brush_width);
13849         brush_height = MAX(y + 1, brush_height);
13850
13851         x++;
13852
13853         if (x >= MAX_LEV_FIELDX)
13854           start_new_row = TRUE;
13855
13856         allow_new_row = TRUE;
13857       }
13858       else
13859       {
13860         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
13861           start_new_row = TRUE;
13862
13863         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
13864       }
13865
13866       if (start_new_row)
13867       {
13868         x = 0;
13869         y++;
13870
13871         if (y >= MAX_LEV_FIELDY)
13872           stop = TRUE;
13873
13874         allow_new_row = FALSE;
13875       }
13876     }
13877
13878     SDL_free(clipboard_text);
13879
13880     if (brush_width == 0 || brush_height == 0)
13881     {
13882       Request("No level sketch found in clipboard!", REQ_CONFIRM);
13883
13884       return;
13885     }
13886
13887     if (copy_to_brush)
13888     {
13889       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
13890       int mx, my;
13891
13892       SDL_GetMouseState(&mx, &my);
13893
13894       // if inside drawing area, activate and draw brush at last mouse position
13895       if (mx >= gi->x && mx < gi->x + gi->width &&
13896           my >= gi->y && my < gi->y + gi->height)
13897         CopyBrushToCursor(last_cursor_x, last_cursor_y);
13898
13899       draw_with_brush = TRUE;
13900     }
13901     else
13902     {
13903       char request[100];
13904
13905       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
13906               brush_width, brush_height);
13907
13908       if (!Request(request, REQ_ASK))
13909         return;
13910
13911       for (x = 0; x < MAX_LEV_FIELDX; x++)
13912         for (y = 0; y < MAX_LEV_FIELDY; y++)
13913           Tile[x][y] = brush_buffer[x][y];
13914
13915       lev_fieldx = level.fieldx = brush_width;
13916       lev_fieldy = level.fieldy = brush_height;
13917
13918       boolean use_bd_engine = TRUE;
13919       boolean use_em_engine = TRUE;
13920       boolean use_sp_engine = TRUE;
13921       boolean use_mm_engine = TRUE;
13922
13923       for (x = 0; x < MAX_LEV_FIELDX; x++)
13924       {
13925         for (y = 0; y < MAX_LEV_FIELDY; y++)
13926         {
13927           int element = Tile[x][y];
13928
13929           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13930             use_bd_engine = FALSE;
13931
13932           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13933             use_em_engine = FALSE;
13934
13935           if (!IS_SP_ELEMENT(element))
13936             use_sp_engine = FALSE;
13937
13938           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
13939             use_mm_engine = FALSE;
13940         }
13941       }
13942
13943       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
13944                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
13945                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
13946                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
13947                                 GAME_ENGINE_TYPE_RND);
13948
13949       // update element selection list
13950       ReinitializeElementList();
13951       ModifyEditorElementList();
13952
13953       SetBorderElement();
13954
13955       DrawEditModeWindow();
13956       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13957     }
13958
13959     return;
13960   }
13961
13962   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
13963     return;
13964
13965   if (mode == CB_AREA_TO_BRUSH)
13966   {
13967     int from_lx, from_ly;
13968
13969     if (from_x > to_x)
13970       swap_numbers(&from_x, &to_x);
13971
13972     if (from_y > to_y)
13973       swap_numbers(&from_y, &to_y);
13974
13975     brush_width = to_x - from_x + 1;
13976     brush_height = to_y - from_y + 1;
13977
13978     from_lx = from_x + level_xpos;
13979     from_ly = from_y + level_ypos;
13980
13981     for (y = 0; y < brush_height; y++)
13982     {
13983       for (x = 0; x < brush_width; x++)
13984       {
13985         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
13986
13987         if (button != 1)
13988           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
13989       }
13990     }
13991
13992     if (button != 1)
13993       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13994
13995     delete_old_brush = FALSE;
13996   }
13997   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
13998            mode == CB_BRUSH_TO_LEVEL)
13999   {
14000     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
14001     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
14002     int cursor_from_x = cursor_x - brush_width / 2;
14003     int cursor_from_y = cursor_y - brush_height / 2;
14004     int border_from_x = cursor_x, border_from_y = cursor_y;
14005     int border_to_x = cursor_x, border_to_y = cursor_y;
14006
14007     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
14008       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14009
14010     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
14011         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
14012     {
14013       delete_old_brush = FALSE;
14014
14015       return;
14016     }
14017
14018     for (y = 0; y < brush_height; y++)
14019     {
14020       for (x = 0; x < brush_width; x++)
14021       {
14022         int sx = cursor_from_x + x;
14023         int sy = cursor_from_y + y;
14024         int lx = sx + level_xpos;
14025         int ly = sy + level_ypos;
14026         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
14027         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
14028                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
14029                        brush_buffer[x][y] : new_element);
14030
14031         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14032         {
14033           if (sx < border_from_x)
14034             border_from_x = sx;
14035           else if (sx > border_to_x)
14036             border_to_x = sx;
14037           if (sy < border_from_y)
14038             border_from_y = sy;
14039           else if (sy > border_to_y)
14040             border_to_y = sy;
14041
14042           DrawBrushElement(sx, sy, element, change_level);
14043         }
14044       }
14045     }
14046
14047     if (mode != CB_DELETE_OLD_CURSOR)
14048       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
14049
14050     last_cursor_x = cursor_x;
14051     last_cursor_y = cursor_y;
14052
14053     delete_old_brush = TRUE;
14054   }
14055   else if (mode == CB_FLIP_BRUSH_X)
14056   {
14057     for (y = 0; y < brush_height; y++)
14058       for (x = 0; x < (brush_width + 1) / 2; x++)
14059         SwapFlippedTiles(&brush_buffer[x][y],
14060                          &brush_buffer[brush_width - x - 1][y], mode);
14061
14062     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14063   }
14064   else if (mode == CB_FLIP_BRUSH_Y)
14065   {
14066     for (y = 0; y < (brush_height + 1) / 2; y++)
14067       for (x = 0; x < brush_width; x++)
14068         SwapFlippedTiles(&brush_buffer[x][y],
14069                          &brush_buffer[x][brush_height - y - 1], mode);
14070
14071     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14072   }
14073   else if (mode == CB_FLIP_BRUSH_XY)
14074   {
14075     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14076
14077     for (y = 0; y < MAX(brush_width, brush_height); y++)
14078       for (x = 0; x <= y; x++)
14079         SwapFlippedTiles(&brush_buffer[x][y],
14080                          &brush_buffer[y][x], mode);
14081
14082     swap_numbers(&brush_width, &brush_height);
14083
14084     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14085   }
14086
14087   if (mode == CB_UPDATE_BRUSH_POSITION)
14088   {
14089     last_cursor_x = from_x;
14090     last_cursor_y = from_y;
14091   }
14092 }
14093
14094 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
14095                             int button)
14096 {
14097   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
14098 }
14099
14100 static void CopyBrushToLevel(int x, int y, int button)
14101 {
14102   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
14103 }
14104
14105 static void CopyBrushToCursor(int x, int y)
14106 {
14107   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14108 }
14109
14110 static void UpdateBrushPosition(int x, int y)
14111 {
14112   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
14113 }
14114
14115 static void DeleteBrushFromCursor(void)
14116 {
14117   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14118 }
14119
14120 static void FlipBrushX(void)
14121 {
14122   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14123 }
14124
14125 static void FlipBrushY(void)
14126 {
14127   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
14128 }
14129
14130 static void RotateBrush(void)
14131 {
14132   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
14133   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14134 }
14135
14136 void DumpBrush(void)
14137 {
14138   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
14139 }
14140
14141 void DumpBrush_Small(void)
14142 {
14143   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
14144 }
14145
14146 void CopyClipboardToBrush(void)
14147 {
14148   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
14149 }
14150
14151 void CopyBrushToClipboard(void)
14152 {
14153   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
14154 }
14155
14156 void CopyBrushToClipboard_Small(void)
14157 {
14158   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
14159 }
14160
14161 void UndoLevelEditorOperation(void)
14162 {
14163   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
14164 }
14165
14166 void RedoLevelEditorOperation(void)
14167 {
14168   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14169 }
14170
14171 static void FloodFill(int from_x, int from_y, int fill_element)
14172 {
14173   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
14174 }
14175
14176 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
14177 {
14178   int from_x = from_sx2 + 2 * level_xpos;
14179   int from_y = from_sy2 + 2 * level_ypos;
14180   int max_fillx = lev_fieldx * 2;
14181   int max_filly = lev_fieldy * 2;
14182   short Fill[max_fillx][max_filly];
14183   int x, y;
14184
14185   for (x = 0; x < max_fillx; x++)
14186     for (y = 0; y < max_filly; y++)
14187       Fill[x][y] = getLevelElementHiRes(x, y);
14188
14189   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
14190                     Fill, max_fillx, max_filly);
14191
14192   for (x = 0; x < max_fillx; x++)
14193     for (y = 0; y < max_filly; y++)
14194       if (Fill[x][y] == fill_element)
14195         SetLevelElementHiRes(x, y, Fill[x][y]);
14196 }
14197
14198 // values for DrawLevelText() modes
14199 #define TEXT_INIT               0
14200 #define TEXT_SETCURSOR          1
14201 #define TEXT_WRITECHAR          2
14202 #define TEXT_BACKSPACE          3
14203 #define TEXT_NEWLINE            4
14204 #define TEXT_END                5
14205 #define TEXT_QUERY_TYPING       6
14206
14207 static int DrawLevelText(int sx, int sy, char letter, int mode)
14208 {
14209   static short delete_buffer[MAX_LEV_FIELDX];
14210   static int start_sx;
14211   static int last_sx, last_sy;
14212   static boolean typing = FALSE;
14213   int letter_element;
14214   int lx = 0, ly = 0;
14215
14216   // map lower case letters to upper case and convert special characters
14217   if (letter >= 'a' && letter <= 'z')
14218     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
14219   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
14220     letter_element = EL_CHAR_AUMLAUT;
14221   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
14222     letter_element = EL_CHAR_OUMLAUT;
14223   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
14224     letter_element = EL_CHAR_UUMLAUT;
14225   else if (letter == '^')
14226     letter_element = EL_CHAR_COPYRIGHT;
14227   else
14228     letter_element = EL_CHAR_ASCII0 + letter;
14229
14230   if (mode != TEXT_INIT)
14231   {
14232     if (!typing)
14233       return FALSE;
14234
14235     if (mode != TEXT_SETCURSOR)
14236     {
14237       sx = last_sx;
14238       sy = last_sy;
14239     }
14240
14241     lx = last_sx + level_xpos;
14242     ly = last_sy + level_ypos;
14243   }
14244
14245   switch (mode)
14246   {
14247     case TEXT_INIT:
14248       if (typing)
14249         DrawLevelText(0, 0, 0, TEXT_END);
14250
14251       typing = TRUE;
14252       start_sx = sx;
14253       last_sx = sx;
14254       last_sy = sy;
14255       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
14256       break;
14257
14258     case TEXT_SETCURSOR:
14259       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
14260       DrawAreaBorder(sx, sy, sx, sy);
14261       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
14262                      ed_tilesize, ed_tilesize);
14263       last_sx = sx;
14264       last_sy = sy;
14265       break;
14266
14267     case TEXT_WRITECHAR:
14268       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
14269       {
14270         if (new_element1 >= EL_STEEL_CHAR_START &&
14271             new_element1 <= EL_STEEL_CHAR_END)
14272           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
14273
14274         delete_buffer[sx - start_sx] = Tile[lx][ly];
14275         Tile[lx][ly] = letter_element;
14276
14277         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
14278           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
14279         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14280           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14281         else
14282           DrawLevelText(0, 0, 0, TEXT_END);
14283
14284         level.changed = TRUE;
14285       }
14286       break;
14287
14288     case TEXT_BACKSPACE:
14289       if (sx > start_sx)
14290       {
14291         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
14292         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
14293         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
14294       }
14295       break;
14296
14297     case TEXT_NEWLINE:
14298       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14299         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14300       else
14301         DrawLevelText(0, 0, 0, TEXT_END);
14302       break;
14303
14304     case TEXT_END:
14305       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14306       DrawEditorElement(sx, sy, Tile[lx][ly]);
14307       StopTextInput();
14308       typing = FALSE;
14309       break;
14310
14311     case TEXT_QUERY_TYPING:
14312       break;
14313
14314     default:
14315       break;
14316   }
14317
14318   return typing;
14319 }
14320
14321 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
14322                           int element, boolean change_level)
14323 {
14324   int lx = sx + level_xpos;
14325   int ly = sy + level_ypos;
14326
14327   if (element == -1)
14328     DrawEditorElement(sx, sy, Tile[lx][ly]);
14329   else
14330     DrawAreaBorder(sx, sy, sx, sy);
14331 }
14332
14333 static void CheckLevelBorderElement(boolean redraw_playfield)
14334 {
14335   int last_border_element = BorderElement;
14336
14337   SetBorderElement();
14338
14339   if (redraw_playfield && BorderElement != last_border_element)
14340     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14341 }
14342
14343 static void CopyLevelToUndoBuffer(int mode)
14344 {
14345   static boolean accumulated_undo = FALSE;
14346   boolean new_undo_buffer_position = TRUE;
14347   int x, y;
14348
14349   if (undo_buffer_steps == 0)
14350     accumulated_undo = FALSE;
14351
14352   switch (mode)
14353   {
14354     case UNDO_IMMEDIATE:
14355       accumulated_undo = FALSE;
14356       break;
14357
14358     case UNDO_ACCUMULATE:
14359       if (accumulated_undo)
14360         new_undo_buffer_position = FALSE;
14361       accumulated_undo = TRUE;
14362       break;
14363
14364     default:
14365       break;
14366   }
14367
14368   if (new_undo_buffer_position)
14369   {
14370     // advance position in undo buffer ring
14371     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14372
14373     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
14374       undo_buffer_steps++;
14375   }
14376
14377   // always reset redo buffer when storing level change into undo buffer
14378   redo_buffer_steps = 0;
14379
14380   for (x = 0; x < lev_fieldx; x++)
14381     for (y = 0; y < lev_fieldy; y++)
14382       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
14383
14384   // check if drawing operation forces change of border style
14385   CheckLevelBorderElement(TRUE);
14386
14387   level.changed = TRUE;
14388 }
14389
14390 static void RandomPlacement(int new_element)
14391 {
14392   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14393   int num_free_positions = 0;
14394   int num_percentage, num_elements;
14395   int x, y;
14396
14397   ResetIntelliDraw();
14398
14399   // determine number of free positions for randomly placing the new element
14400   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
14401   {
14402     free_position[x][y] =
14403       (random_placement_background_restricted ?
14404        Tile[x][y] == random_placement_background_element :
14405        Tile[x][y] != new_element);
14406
14407     if (free_position[x][y])
14408       num_free_positions++;
14409   }
14410
14411   // determine number of new elements to place there
14412   num_percentage = num_free_positions * random_placement_value / 100;
14413   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
14414                   num_percentage : random_placement_value);
14415
14416   // if less free positions than elements to place, fill all these positions
14417   if (num_free_positions < num_elements)
14418   {
14419     for (x = 0; x < lev_fieldx; x++)
14420       for (y = 0; y < lev_fieldy; y++)
14421         if (free_position[x][y])
14422           SetElement(x, y, new_element);
14423   }
14424   else
14425   {
14426     while (num_elements > 0)
14427     {
14428       x = GetSimpleRandom(lev_fieldx);
14429       y = GetSimpleRandom(lev_fieldy);
14430
14431       // don't place element at the same position twice
14432       if (free_position[x][y])
14433       {
14434         free_position[x][y] = FALSE;
14435         SetElement(x, y, new_element);
14436         num_elements--;
14437       }
14438     }
14439   }
14440
14441   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14442   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14443 }
14444
14445 static void WrapLevel(int dx, int dy)
14446 {
14447   int wrap_dx = lev_fieldx - dx;
14448   int wrap_dy = lev_fieldy - dy;
14449   int x, y;
14450
14451   for (x = 0; x < lev_fieldx; x++)
14452     for (y = 0; y < lev_fieldy; y++)
14453       TileBackup[x][y] = Tile[x][y];
14454
14455   for (x = 0; x < lev_fieldx; x++)
14456     for (y = 0; y < lev_fieldy; y++)
14457       Tile[x][y] =
14458         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
14459
14460   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14461   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
14462 }
14463
14464 static void DrawAreaElementHighlight(boolean highlighted,
14465                                      boolean highlighted_similar)
14466 {
14467   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14468
14469   if (!highlighted)
14470     return;
14471
14472   int x, y;
14473
14474   for (x = 0; x < ed_fieldx; x++)
14475   {
14476     for (y = 0; y < ed_fieldy; y++)
14477     {
14478       boolean highlight = FALSE;
14479       int lx = x + level_xpos;
14480       int ly = y + level_ypos;
14481
14482       if (!IN_LEV_FIELD(lx, ly))
14483         continue;
14484
14485       // check if element is the same
14486       if (Tile[lx][ly] == new_element1)
14487         highlight = TRUE;
14488
14489       // check if element is similar
14490       if (highlighted_similar &&
14491           strEqual(element_info[Tile[lx][ly]].class_name,
14492                    element_info[new_element1].class_name))
14493         highlight = TRUE;
14494
14495       // check if element is matching MM style wall
14496       if (IS_MM_WALL(Tile[lx][ly]) &&
14497           map_mm_wall_element(Tile[lx][ly]) == new_element1)
14498         highlight = TRUE;
14499
14500       if (!highlight)
14501         continue;
14502
14503       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
14504       {
14505         int i;
14506
14507         for (i = 0; i < 4; i++)
14508         {
14509           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
14510             continue;
14511
14512           int xx = x * 2 + (i % 2);
14513           int yy = y * 2 + (i / 2);
14514           int sx = SX + xx * ed_tilesize / 2;
14515           int sy = SY + yy * ed_tilesize / 2;
14516           int from_sx = sx;
14517           int from_sy = sy;
14518           int to_sx = sx + ed_tilesize / 2 - 1;
14519           int to_sy = sy + ed_tilesize / 2 - 1;
14520
14521           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14522           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14523           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14524           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14525         }
14526       }
14527       else
14528       {
14529         int sx = SX + x * ed_tilesize;
14530         int sy = SY + y * ed_tilesize;
14531         int from_sx = sx;
14532         int from_sy = sy;
14533         int to_sx = sx + ed_tilesize - 1;
14534         int to_sy = sy + ed_tilesize - 1;
14535
14536         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14537         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14538         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14539         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14540       }
14541     }
14542   }
14543 }
14544
14545 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
14546 {
14547   char *template_filename_old = getLocalLevelTemplateFilename();
14548   char *template_filename_new =
14549     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
14550
14551   if (copyFile(template_filename_old, template_filename_new) != 0)
14552     Request("Cannot copy level template!", REQ_CONFIRM);
14553
14554   free(template_filename_new);
14555 }
14556
14557 static void HandleDrawingAreas(struct GadgetInfo *gi)
14558 {
14559   static boolean started_inside_drawing_area = FALSE;
14560   static int last_sx = -1;
14561   static int last_sy = -1;
14562   static int last_sx2 = -1;
14563   static int last_sy2 = -1;
14564   int id = gi->custom_id;
14565   int type_id = gi->custom_type_id;
14566   boolean button_press_event;
14567   boolean button_release_event;
14568   boolean inside_drawing_area = !gi->event.off_borders;
14569   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
14570   int actual_drawing_function;
14571   int button = gi->event.button;
14572   int new_element = BUTTON_ELEMENT(button);
14573   int sx = gi->event.x, sy = gi->event.y;
14574   int min_sx = 0, min_sy = 0;
14575   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
14576   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
14577   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
14578   int sx2 = gi->event.mx / mini_item_xsize;
14579   int sy2 = gi->event.my / mini_item_ysize;
14580   int dx = sx2 % 2;
14581   int dy = sy2 % 2;
14582   int lx = 0, ly = 0;
14583   int x, y;
14584
14585   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
14586   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
14587
14588   // make sure to stay inside drawing area boundaries
14589   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14590   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14591
14592   if (draw_level)
14593   {
14594     int min_lx = 0, min_ly = 0;
14595     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14596
14597     // get positions inside level field
14598     lx = sx + level_xpos;
14599     ly = sy + level_ypos;
14600
14601     if (!IN_LEV_FIELD(lx, ly))
14602       inside_drawing_area = FALSE;
14603
14604     // make sure to stay inside level field boundaries
14605     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14606     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14607
14608     // correct drawing area positions accordingly
14609     sx = lx - level_xpos;
14610     sy = ly - level_ypos;
14611   }
14612
14613   // also correct MM wall-sized (double) drawing area positions accordingly
14614   if (sx2 / 2 < sx || sx2 / 2 > sx)
14615   {
14616     dx = (sx2 / 2 < sx ? 0 : 1);
14617     sx2 = sx * 2 + dx;
14618   }
14619   if (sy2 / 2 < sy || sy2 / 2 > sy)
14620   {
14621     dy = (sy2 / 2 < sy ? 0 : 1);
14622     sy2 = sy * 2 + dy;
14623   }
14624
14625   if (!button_press_event && !button_release_event)
14626   {
14627     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
14628     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14629                              isHiresTileElement(old_element) &&
14630                              isHiresDrawElement(new_element));
14631
14632     // prevent handling events for every pixel position when moving mouse
14633     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
14634         (sx2 == last_sx2 && sy2 == last_sy2))
14635       return;
14636   }
14637
14638   last_sx = sx;
14639   last_sy = sy;
14640   last_sx2 = sx2;
14641   last_sy2 = sy2;
14642
14643   if (button_press_event)
14644     started_inside_drawing_area = inside_drawing_area;
14645
14646   if (!started_inside_drawing_area)
14647     return;
14648
14649   if (!IS_VALID_BUTTON(button))
14650     return;
14651
14652   // handle info callback for each invocation of action callback
14653   gi->callback_info(gi);
14654
14655   // automatically switch to 'single item' drawing mode, if needed
14656   actual_drawing_function =
14657     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
14658      drawing_function : GADGET_ID_SINGLE_ITEMS);
14659
14660   // clicking into drawing area with pressed Control key picks element
14661   if (GetKeyModState() & KMOD_Control)
14662   {
14663     last_drawing_function = drawing_function;
14664     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14665   }
14666
14667   if (GetKeyModState() & KMOD_Shift)
14668   {
14669     if (button_press_event || button_release_event)
14670       ResetIntelliDraw();
14671   }
14672
14673   SetDrawModeHiRes(-1);         // reset to normal draw mode
14674
14675   switch (actual_drawing_function)
14676   {
14677     case GADGET_ID_SINGLE_ITEMS:
14678       if (draw_level)
14679       {
14680         if (button_release_event)
14681         {
14682           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14683
14684           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
14685               !inside_drawing_area)
14686             DeleteBrushFromCursor();
14687
14688           break;
14689         }
14690
14691         if (draw_with_brush)
14692         {
14693           CopyBrushToLevel(sx, sy, button);
14694         }
14695         else
14696         {
14697           SetDrawModeHiRes(new_element);
14698
14699           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
14700           {
14701             // remove player at old position
14702             for (y = 0; y < lev_fieldy; y++)
14703             {
14704               for (x = 0; x < lev_fieldx; x++)
14705               {
14706                 int old_element = Tile[x][y];
14707
14708                 if (IS_PLAYER_ELEMENT(old_element) &&
14709                     IS_PLAYER_ELEMENT(new_element))
14710                 {
14711                   int replaced_with_element =
14712                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
14713                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
14714
14715                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
14716                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
14717
14718                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
14719                      old_element == EL_PLAYER_1 ? EL_EMPTY :
14720
14721                      new_element >= EL_PLAYER_1 &&
14722                      new_element <= EL_PLAYER_4 &&
14723                      new_element == old_element ? EL_EMPTY :
14724
14725                      old_element);
14726
14727                   SetElement(x, y, replaced_with_element);
14728                 }
14729                 else if (IS_MM_MCDUFFIN(old_element) &&
14730                          IS_MM_MCDUFFIN(new_element))
14731                 {
14732                   // remove McDuffin at old position
14733                   SetElement(x, y, EL_EMPTY);
14734                 }
14735               }
14736             }
14737           }
14738
14739           SetElementButton(lx, ly, dx, dy, new_element, button);
14740         }
14741       }
14742       else if (!button_release_event)
14743       {
14744         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14745
14746         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
14747           DrawMiniGraphicExt(drawto,
14748                              gi->x + sx * MINI_TILEX,
14749                              gi->y + sy * MINI_TILEY,
14750                              el2edimg(new_element));
14751         else
14752           DrawFixedGraphicExt(drawto,
14753                               gi->x + sx * TILEX,
14754                               gi->y + sy * TILEY,
14755                               el2edimg(new_element), 0);
14756
14757         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14758           new_element = GFX_ELEMENT(new_element);
14759
14760         drawingarea_info[type_id].value[pos] = new_element;
14761
14762         CopyElementPropertiesToGame(properties_element);
14763
14764         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14765         {
14766           UpdateCustomElementGraphicGadgets();
14767
14768           FrameCounter = 0;     // restart animation frame counter
14769         }
14770       }
14771       break;
14772
14773     case GADGET_ID_CONNECTED_ITEMS:
14774       {
14775         static int last_sx = -1;
14776         static int last_sy = -1;
14777
14778         if (button_release_event)
14779           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14780
14781         SetDrawModeHiRes(new_element);
14782
14783         if (getDrawModeHiRes())
14784         {
14785           sx = sx2;
14786           sy = sy2;
14787         }
14788
14789         if (!button_press_event)
14790           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
14791
14792         last_sx = sx;
14793         last_sy = sy;
14794       }
14795       break;
14796
14797     case GADGET_ID_LINE:
14798     case GADGET_ID_ARC:
14799     case GADGET_ID_RECTANGLE:
14800     case GADGET_ID_FILLED_BOX:
14801       SetDrawModeHiRes(new_element);
14802
14803       if (getDrawModeHiRes())
14804       {
14805         sx = sx2;
14806         sy = sy2;
14807       }
14808       // FALLTHROUGH
14809     case GADGET_ID_GRAB_BRUSH:
14810     case GADGET_ID_TEXT:
14811       {
14812         static int last_sx = -1;
14813         static int last_sy = -1;
14814         static int start_sx = -1;
14815         static int start_sy = -1;
14816         void (*draw_func)(int, int, int, int, int, boolean);
14817
14818         if (drawing_function == GADGET_ID_LINE)
14819           draw_func = DrawLine;
14820         else if (drawing_function == GADGET_ID_ARC)
14821           draw_func = DrawArc;
14822         else if (drawing_function == GADGET_ID_RECTANGLE)
14823           draw_func = DrawBox;
14824         else if (drawing_function == GADGET_ID_FILLED_BOX)
14825           draw_func = DrawFilledBox;
14826         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
14827           draw_func = SelectArea;
14828         else // (drawing_function == GADGET_ID_TEXT)
14829           draw_func = SetTextCursor;
14830
14831         if (button_press_event)
14832         {
14833           draw_func(sx, sy, sx, sy, new_element, FALSE);
14834           start_sx = last_sx = sx;
14835           start_sy = last_sy = sy;
14836
14837           if (drawing_function == GADGET_ID_TEXT)
14838             DrawLevelText(0, 0, 0, TEXT_END);
14839         }
14840         else if (button_release_event)
14841         {
14842           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
14843           if (drawing_function == GADGET_ID_GRAB_BRUSH)
14844           {
14845             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
14846             CopyBrushToCursor(sx, sy);
14847             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
14848                           MB_LEFTBUTTON);
14849             draw_with_brush = TRUE;
14850           }
14851           else if (drawing_function == GADGET_ID_TEXT)
14852             DrawLevelText(sx, sy, 0, TEXT_INIT);
14853           else
14854             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14855         }
14856         else if (last_sx != sx || last_sy != sy)
14857         {
14858           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
14859           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
14860             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
14861           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
14862           last_sx = sx;
14863           last_sy = sy;
14864         }
14865       }
14866       break;
14867
14868     case GADGET_ID_FLOOD_FILL:
14869       if (button_press_event && Tile[lx][ly] != new_element)
14870       {
14871         if (IS_MM_WALL_EDITOR(new_element))
14872           FloodFillWall_MM(sx2, sy2, new_element);
14873         else
14874           FloodFill(lx, ly, new_element);
14875
14876         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14877         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14878       }
14879       break;
14880
14881     case GADGET_ID_PICK_ELEMENT:
14882       if (button_release_event)
14883         ClickOnGadget(level_editor_gadget[last_drawing_function],
14884                       MB_LEFTBUTTON);
14885       else if (draw_level)
14886         PickDrawingElement(button, Tile[lx][ly]);
14887       else
14888       {
14889         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14890
14891         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
14892       }
14893
14894     default:
14895       break;
14896   }
14897
14898   // do not mark level as modified for certain non-level-changing gadgets
14899   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
14900        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
14901       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
14902       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14903     return;
14904
14905   level.changed = TRUE;
14906 }
14907
14908 static void HandleCounterButtons(struct GadgetInfo *gi)
14909 {
14910   int gadget_id = gi->custom_id;
14911   int counter_id = gi->custom_type_id;
14912   int button = gi->event.button;
14913   int *counter_value = counterbutton_info[counter_id].value;
14914   int step = BUTTON_STEPSIZE(button) *
14915     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
14916
14917   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14918   {
14919     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
14920     boolean released = (gi->event.type == GD_EVENT_RELEASED);
14921     boolean level_changed = LevelChanged();
14922
14923     if ((level_changed && pressed) || (!level_changed && released))
14924       return;
14925
14926     if (level_changed && !Request("Level has changed! Discard changes?",
14927                                   REQ_ASK))
14928     {
14929       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14930         ModifyEditorCounterValue(counter_id, *counter_value);
14931
14932       return;
14933     }
14934   }
14935
14936   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14937     *counter_value = gi->textinput.number_value;
14938   else
14939     ModifyEditorCounterValue(counter_id, *counter_value + step);
14940
14941   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14942   {
14943     int last_game_engine_type = level.game_engine_type;
14944
14945     LoadLevel(level_nr);
14946     LoadScore(level_nr);
14947
14948     SaveLevelSetup_SeriesInfo();
14949
14950     TapeErase();
14951
14952     ResetUndoBuffer();
14953     DrawEditModeWindow();
14954
14955     if (level.game_engine_type != last_game_engine_type)
14956     {
14957       // update element selection list
14958       ReinitializeElementList();
14959       ModifyEditorElementList();
14960     }
14961
14962     return;
14963   }
14964
14965   switch (counter_id)
14966   {
14967     case ED_COUNTER_ID_YAMYAM_CONTENT:
14968       DrawYamYamContentAreas();
14969       break;
14970
14971     case ED_COUNTER_ID_BALL_CONTENT:
14972       DrawMagicBallContentAreas();
14973       break;
14974
14975     case ED_COUNTER_ID_ANDROID_CONTENT:
14976       DrawAndroidElementArea();
14977       break;
14978
14979     case ED_COUNTER_ID_GROUP_CONTENT:
14980       DrawGroupElementArea();
14981       CopyGroupElementPropertiesToGame(properties_element);
14982       break;
14983
14984     case ED_COUNTER_ID_INVENTORY_SIZE:
14985       DrawPlayerInitialInventoryArea(properties_element);
14986       break;
14987
14988     case ED_COUNTER_ID_MM_BALL_CONTENT:
14989       DrawMMBallContentArea();
14990       break;
14991
14992     case ED_COUNTER_ID_ENVELOPE_XSIZE:
14993     case ED_COUNTER_ID_ENVELOPE_YSIZE:
14994       DrawEnvelopeTextArea(-1);
14995       break;
14996
14997     case ED_COUNTER_ID_LEVEL_XSIZE:
14998     case ED_COUNTER_ID_LEVEL_YSIZE:
14999       lev_fieldx = level.fieldx;
15000       lev_fieldy = level.fieldy;
15001
15002       // check if resizing of level results in change of border border
15003       SetBorderElement();
15004
15005       break;
15006
15007     default:
15008       break;
15009   }
15010
15011   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
15012        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
15013       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
15014        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
15015     CopyElementPropertiesToGame(properties_element);
15016
15017   // do not mark level as modified for certain non-level-changing gadgets
15018   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
15019        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
15020       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
15021        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
15022     return;
15023
15024   level.changed = TRUE;
15025 }
15026
15027 static void HandleTextInputGadgets(struct GadgetInfo *gi)
15028 {
15029   int type_id = gi->custom_type_id;
15030
15031   strcpy(textinput_info[type_id].value, gi->textinput.value);
15032
15033   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
15034   {
15035     CopyElementPropertiesToGame(properties_element);
15036
15037     ModifyEditorElementList();  // update changed button info text
15038   }
15039
15040   // do not mark level as modified for certain non-level-changing gadgets
15041   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
15042       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
15043     return;
15044
15045   level.changed = TRUE;
15046 }
15047
15048 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
15049 {
15050   int type_id = gi->custom_type_id;
15051
15052   strncpy(textarea_info[type_id].value, gi->textarea.value,
15053           MAX_ENVELOPE_TEXT_LEN);
15054   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
15055
15056   level.changed = TRUE;
15057 }
15058
15059 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
15060 {
15061   int type_id = gi->custom_type_id;
15062   int value_old = *selectbox_info[type_id].value;
15063   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
15064
15065   *selectbox_info[type_id].value = value_new;
15066
15067   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
15068   {
15069     DrawLevelConfigWindow();
15070   }
15071   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15072   {
15073     element_info[properties_element].current_change_page = gi->selectbox.index;
15074
15075     DrawPropertiesWindow();
15076   }
15077   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
15078             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
15079            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
15080             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
15081            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
15082   {
15083     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
15084     {
15085       // when changing action type, also check action mode and action arg
15086       if (value_old != value_new)
15087         setSelectboxSpecialActionVariablesIfNeeded();
15088
15089       DrawPropertiesChange();
15090     }
15091
15092     CopyElementPropertiesToGame(properties_element);
15093   }
15094   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
15095   {
15096     // show or hide "engine" tabulator depending on game engine type
15097     DrawLevelConfigWindow();
15098
15099     // update element selection list depending on game engine type
15100     ReinitializeElementList();
15101     ModifyEditorElementList();
15102   }
15103   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
15104   {
15105     // update BD cycle delay counter gadgets depending on BD scheduling type
15106     DrawLevelConfigWindow();
15107   }
15108
15109   // do not mark level as modified for certain non-level-changing gadgets
15110   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
15111       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15112     return;
15113
15114   level.changed = TRUE;
15115 }
15116
15117 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
15118 {
15119   int type_id = gi->custom_type_id;
15120   int i;
15121
15122   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
15123       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
15124   {
15125     edit_mode_levelconfig = gi->custom_type_id;
15126
15127     DrawLevelConfigWindow();
15128   }
15129   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
15130            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
15131   {
15132     edit_mode_properties = gi->custom_type_id;
15133
15134     DrawPropertiesWindow();
15135   }
15136   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
15137            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
15138   {
15139     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
15140
15141     // backup original "level.field" (needed to track playfield changes)
15142     CopyPlayfield(level.field, TileBackup);
15143
15144     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
15145     CopyPlayfield(Tile, level.field);
15146
15147     if (new_template ||
15148         Request("Save this template and kill the old?", REQ_ASK))
15149       SaveLevelTemplate();
15150
15151     if (new_template)
15152       Request("Template saved!", REQ_CONFIRM);
15153
15154     // restore original "level.field" (needed to track playfield changes)
15155     CopyPlayfield(TileBackup, level.field);
15156   }
15157   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
15158   {
15159     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
15160
15161     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
15162         leveldir_current->readonly)
15163     {
15164       Request("This level set is read-only!", REQ_CONFIRM);
15165
15166       return;
15167     }
15168
15169     if (strEqual(levelset_name, ""))
15170     {
15171       Request("Please enter level set title!", REQ_CONFIRM);
15172
15173       return;
15174     }
15175
15176     if (strEqual(levelset_author, ""))
15177     {
15178       Request("Please enter level set author!", REQ_CONFIRM);
15179
15180       return;
15181     }
15182
15183     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
15184     {
15185       if (UpdateUserLevelSet(levelset_subdir,
15186                              levelset_name,
15187                              levelset_author,
15188                              levelset_num_levels))
15189       {
15190         Request("Level set updated!", REQ_CONFIRM);
15191       }
15192       else
15193       {
15194         Request("Updating level set failed!", REQ_CONFIRM);
15195       }
15196     }
15197     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
15198     {
15199       if (level.changed && !Request("Level has changed! Discard changes?",
15200                                      REQ_ASK))
15201         return;
15202
15203       if (CreateUserLevelSet(levelset_subdir,
15204                              levelset_name,
15205                              levelset_author,
15206                              levelset_num_levels,
15207                              levelset_use_levelset_artwork))
15208       {
15209         if (levelset_copy_level_template)
15210           CopyLevelTemplateToUserLevelSet(levelset_subdir);
15211
15212         Request("New level set created!", REQ_CONFIRM);
15213
15214         AddUserLevelSetToLevelInfo(levelset_subdir);
15215         ChangeEditorToLevelSet(levelset_subdir);
15216       }
15217       else
15218       {
15219         Request("Creating new level set failed!", REQ_CONFIRM);
15220       }
15221     }
15222   }
15223   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
15224            custom_element.num_change_pages < MAX_CHANGE_PAGES)
15225   {
15226     struct ElementInfo *ei = &element_info[properties_element];
15227
15228     // when modifying custom element, ask for copying level template
15229     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15230       return;
15231
15232     setElementChangePages(ei, ei->num_change_pages + 1);
15233
15234     // set new change page to be new current change page
15235     ei->current_change_page = ei->num_change_pages - 1;
15236     ei->change = &ei->change_page[ei->current_change_page];
15237
15238     setElementChangeInfoToDefaults(ei->change);
15239
15240     DrawPropertiesWindow();
15241
15242     level.changed = TRUE;
15243   }
15244   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
15245            custom_element.num_change_pages > MIN_CHANGE_PAGES)
15246   {
15247     struct ElementInfo *ei = &element_info[properties_element];
15248
15249     // when modifying custom element, ask for copying level template
15250     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15251       return;
15252
15253     // copy all change pages after change page to be deleted
15254     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
15255       ei->change_page[i] = ei->change_page[i + 1];
15256
15257     setElementChangePages(ei, ei->num_change_pages - 1);
15258
15259     DrawPropertiesWindow();
15260
15261     level.changed = TRUE;
15262   }
15263 }
15264
15265 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
15266 {
15267   int type_id = gi->custom_type_id;
15268
15269   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
15270       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
15271   {
15272     struct ElementInfo *ei = &element_info[properties_element];
15273     int step = BUTTON_STEPSIZE(gi->event.button);
15274
15275     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
15276     ei->current_change_page += step;
15277
15278     if (ei->current_change_page < 0)
15279       ei->current_change_page = 0;
15280     else if (ei->current_change_page >= ei->num_change_pages)
15281       ei->current_change_page = ei->num_change_pages - 1;
15282
15283     DrawPropertiesWindow();
15284   }
15285   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
15286            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15287   {
15288     struct ElementInfo *ei = &element_info[properties_element];
15289     int current_change_page = ei->current_change_page;
15290
15291     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
15292     {
15293       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
15294         ei->change_page[current_change_page];
15295     }
15296     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15297     {
15298       // when modifying custom element, ask for copying level template
15299       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15300         return;
15301
15302       ei->change_page[current_change_page] =
15303         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
15304
15305       level.changed = TRUE;
15306     }
15307
15308     DrawPropertiesWindow();
15309   }
15310 }
15311
15312 static void HandleRadiobuttons(struct GadgetInfo *gi)
15313 {
15314   int type_id = gi->custom_type_id;
15315
15316   *radiobutton_info[type_id].value =
15317     radiobutton_info[type_id].checked_value;
15318
15319   // do not mark level as modified for certain non-level-changing gadgets
15320   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
15321       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
15322     return;
15323
15324   level.changed = TRUE;
15325 }
15326
15327 static void HandleCheckbuttons(struct GadgetInfo *gi)
15328 {
15329   int type_id = gi->custom_type_id;
15330
15331   *checkbutton_info[type_id].value ^= TRUE;
15332
15333   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
15334       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
15335       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
15336       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
15337          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
15338         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
15339          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
15340        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
15341   {
15342     CopyElementPropertiesToGame(properties_element);
15343   }
15344
15345   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
15346   {
15347     UpdateCustomElementGraphicGadgets();
15348   }
15349   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
15350            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
15351   {
15352     boolean template_related_changes_found = FALSE;
15353     int i;
15354
15355     // check if any custom, group or empty elements have been changed
15356     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
15357       if ((IS_CUSTOM_ELEMENT(i) ||
15358            IS_GROUP_ELEMENT(i) ||
15359            IS_EMPTY_ELEMENT(i)) &&
15360           element_info[i].modified_settings)
15361         template_related_changes_found = TRUE;
15362
15363     if (level.use_custom_template &&
15364         !fileExists(getGlobalLevelTemplateFilename()))
15365     {
15366       Request("No level template found!", REQ_CONFIRM);
15367
15368       level.use_custom_template = FALSE;
15369
15370       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15371
15372       return;
15373     }
15374
15375     if (level.use_custom_template &&
15376         template_related_changes_found &&
15377         !Request("Discard changes and use level template?", REQ_ASK))
15378     {
15379       level.use_custom_template = FALSE;
15380
15381       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15382
15383       return;
15384     }
15385
15386     if (!level.use_custom_template &&
15387         Request("Copy settings from level template?", REQ_ASK))
15388     {
15389       return;
15390     }
15391
15392     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
15393
15394     DrawEditModeWindow();
15395   }
15396   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
15397   {
15398     if (setup.editor.use_template_for_new_levels &&
15399         !fileExists(getGlobalLevelTemplateFilename()))
15400     {
15401       Request("No level template found!", REQ_CONFIRM);
15402
15403       return;
15404     }
15405
15406     if (setup.editor.use_template_for_new_levels &&
15407         level.changed &&
15408         !Request("Discard level and load template?", REQ_ASK))
15409     {
15410       return;
15411     }
15412
15413     if (!setup.editor.use_template_for_new_levels &&
15414         level.changed &&
15415         !Request("Discard level and use empty level?", REQ_ASK))
15416     {
15417       return;
15418     }
15419
15420     LoadLevel(level_nr);
15421     LoadScore(level_nr);
15422
15423     TapeErase();
15424
15425     ResetUndoBuffer();
15426     DrawEditModeWindow();
15427   }
15428   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
15429   {
15430     SetAutomaticNumberOfGemsNeeded();
15431   }
15432
15433   // do not mark level as modified for certain non-level-changing gadgets
15434   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
15435        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
15436       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
15437        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
15438        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
15439       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
15440     return;
15441
15442   level.changed = TRUE;
15443 }
15444
15445 static void HandleControlButtons(struct GadgetInfo *gi)
15446 {
15447   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
15448   static int last_edit_mode = ED_MODE_DRAWING;
15449   static int last_custom_copy_mode = -1;
15450   static int last_button = 0;
15451   int id = gi->custom_id;
15452   int button = gi->event.button;
15453   int step = BUTTON_STEPSIZE(button);
15454   int new_element = BUTTON_ELEMENT(button);
15455   int last_properties_element = properties_element;
15456   int x, y;
15457
15458   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
15459     DrawLevelText(0, 0, 0, TEXT_END);
15460
15461   if (id < ED_NUM_CTRL1_BUTTONS &&
15462       id != GADGET_ID_SINGLE_ITEMS &&
15463       id != GADGET_ID_PICK_ELEMENT &&
15464       edit_mode != ED_MODE_DRAWING &&
15465       drawing_function != GADGET_ID_PICK_ELEMENT &&
15466       !(GetKeyModState() & KMOD_Control))
15467     ChangeEditModeWindow(ED_MODE_DRAWING);
15468
15469   // element copy mode active, but no element button pressed => deactivate
15470   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
15471     last_custom_copy_mode = -1;
15472
15473   // when showing palette on element buttons, change element of button used
15474   if (editor.palette.show_on_element_buttons &&
15475       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
15476   {
15477     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
15478
15479     id = GADGET_ID_PALETTE;
15480   }
15481
15482   switch (id)
15483   {
15484     case GADGET_ID_SCROLL_LEFT:
15485       if (level_xpos >= 0)
15486       {
15487         if (lev_fieldx < ed_fieldx - 2)
15488           break;
15489
15490         level_xpos -= step;
15491         if (level_xpos < -1)
15492           level_xpos = -1;
15493         if (button == 1)
15494           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
15495         else
15496           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15497
15498         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15499                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15500       }
15501       break;
15502
15503     case GADGET_ID_SCROLL_RIGHT:
15504       if (level_xpos <= lev_fieldx - ed_fieldx)
15505       {
15506         if (lev_fieldx < ed_fieldx - 2)
15507           break;
15508
15509         level_xpos += step;
15510         if (level_xpos > lev_fieldx - ed_fieldx + 1)
15511           level_xpos = lev_fieldx - ed_fieldx + 1;
15512         if (button == 1)
15513           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
15514         else
15515           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15516
15517         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15518                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15519       }
15520       break;
15521
15522     case GADGET_ID_SCROLL_UP:
15523       if (level_ypos >= 0)
15524       {
15525         if (lev_fieldy < ed_fieldy - 2)
15526           break;
15527
15528         level_ypos -= step;
15529         if (level_ypos < -1)
15530           level_ypos = -1;
15531         if (button == 1)
15532           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
15533         else
15534           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15535
15536         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15537                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15538       }
15539       break;
15540
15541     case GADGET_ID_SCROLL_DOWN:
15542       if (level_ypos <= lev_fieldy - ed_fieldy)
15543       {
15544         if (lev_fieldy < ed_fieldy - 2)
15545           break;
15546
15547         level_ypos += step;
15548         if (level_ypos > lev_fieldy - ed_fieldy + 1)
15549           level_ypos = lev_fieldy - ed_fieldy + 1;
15550         if (button == 1)
15551           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
15552         else
15553           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15554
15555         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15556                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15557       }
15558       break;
15559
15560     case GADGET_ID_SCROLL_HORIZONTAL:
15561       level_xpos = gi->event.item_position - 1;
15562
15563       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15564       BackToFront();
15565
15566       break;
15567
15568     case GADGET_ID_SCROLL_VERTICAL:
15569       level_ypos = gi->event.item_position - 1;
15570
15571       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15572       BackToFront();
15573
15574       break;
15575
15576     case GADGET_ID_SCROLL_LIST_UP:
15577     case GADGET_ID_SCROLL_LIST_DOWN:
15578     case GADGET_ID_SCROLL_LIST_VERTICAL:
15579       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
15580         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
15581       else
15582       {
15583         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
15584         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15585
15586         if (element_shift < 0)
15587           element_shift = 0;
15588         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15589           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15590
15591         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15592                      GDI_SCROLLBAR_ITEM_POSITION,
15593                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15594       }
15595
15596       ModifyEditorElementList();
15597
15598       break;
15599
15600     case GADGET_ID_PROPERTIES:
15601       // always switch off element properties when they are already displayed
15602       last_properties_element = new_element;
15603     case GADGET_ID_ELEMENT_LEFT:
15604     case GADGET_ID_ELEMENT_MIDDLE:
15605     case GADGET_ID_ELEMENT_RIGHT:
15606       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
15607                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
15608                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
15609                             new_element);
15610
15611       if (edit_mode != ED_MODE_PROPERTIES)
15612       {
15613         last_edit_mode = edit_mode;
15614
15615         ChangeEditModeWindow(ED_MODE_PROPERTIES);
15616
15617         last_level_drawing_function = drawing_function;
15618         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15619                       MB_LEFTBUTTON);
15620       }
15621       else if (properties_element != last_properties_element)
15622       {
15623         DrawEditModeWindow();
15624       }
15625       else
15626       {
15627         ChangeEditModeWindow(ED_MODE_DRAWING);
15628
15629         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
15630                       MB_LEFTBUTTON);
15631       }
15632       break;
15633
15634     case GADGET_ID_PALETTE:
15635       if (edit_mode != ED_MODE_PALETTE)
15636       {
15637         last_edit_mode = edit_mode;
15638
15639         ChangeEditModeWindow(ED_MODE_PALETTE);
15640       }
15641       else
15642       {
15643         ChangeEditModeWindow(last_edit_mode);
15644       }
15645       break;
15646
15647     case GADGET_ID_WRAP_LEFT:
15648       WrapLevel(-step, 0);
15649       break;
15650
15651     case GADGET_ID_WRAP_RIGHT:
15652       WrapLevel(step, 0);
15653       break;
15654
15655     case GADGET_ID_WRAP_UP:
15656       WrapLevel(0, -step);
15657       break;
15658
15659     case GADGET_ID_WRAP_DOWN:
15660       WrapLevel(0, step);
15661       break;
15662
15663     case GADGET_ID_SINGLE_ITEMS:
15664     case GADGET_ID_CONNECTED_ITEMS:
15665     case GADGET_ID_LINE:
15666     case GADGET_ID_ARC:
15667     case GADGET_ID_TEXT:
15668     case GADGET_ID_RECTANGLE:
15669     case GADGET_ID_FILLED_BOX:
15670     case GADGET_ID_FLOOD_FILL:
15671     case GADGET_ID_GRAB_BRUSH:
15672     case GADGET_ID_PICK_ELEMENT:
15673       if (drawing_function != GADGET_ID_PICK_ELEMENT)
15674         last_drawing_function = drawing_function;
15675       drawing_function = id;
15676       draw_with_brush = FALSE;
15677       break;
15678
15679     case GADGET_ID_RANDOM_PLACEMENT:
15680       RandomPlacement(new_element);
15681       break;
15682
15683     case GADGET_ID_ZOOM:
15684       // zoom level editor tile size in or out (or reset to default size)
15685       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
15686                      button == 2 ? ed_tilesize_default :
15687                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
15688
15689       // when using touch device, cycle through all zoom tilesizes
15690       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
15691         ed_tilesize = MICRO_TILESIZE;
15692
15693       // limit zoom level by upper and lower bound
15694       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
15695
15696       InitZoomLevelSettings(ed_tilesize);
15697
15698       if (edit_mode == ED_MODE_DRAWING)
15699       {
15700         DrawDrawingWindow();
15701
15702         // redraw zoom gadget info text
15703         PrintEditorGadgetInfoText(level_editor_gadget[id]);
15704       }
15705
15706       // save current editor zoom tilesize
15707       SaveSetup_AutoSetup();
15708
15709       break;
15710
15711     case GADGET_ID_CUSTOM_COPY_FROM:
15712     case GADGET_ID_CUSTOM_COPY_TO:
15713     case GADGET_ID_CUSTOM_EXCHANGE:
15714       last_custom_copy_mode = id;
15715       last_drawing_function = drawing_function;
15716       break;
15717
15718     case GADGET_ID_CUSTOM_COPY:
15719       CopyCustomElement(properties_element, -1, id);
15720       break;
15721
15722     case GADGET_ID_CUSTOM_PASTE:
15723       CopyCustomElement(-1, properties_element, id);
15724       break;
15725
15726     case GADGET_ID_UNDO:
15727       if (button < 0)   // keep button value (even if modifier keys are pressed)
15728         button = -button;
15729       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
15730         button = 3;
15731
15732       if (button == 1 && undo_buffer_steps == 0)
15733       {
15734         Request("Undo buffer empty!", REQ_CONFIRM);
15735
15736         break;
15737       }
15738       else if (button == 2)
15739       {
15740         break;
15741       }
15742       else if (button == 3 && redo_buffer_steps == 0)
15743       {
15744         Request("Redo buffer empty!", REQ_CONFIRM);
15745
15746         break;
15747       }
15748
15749       if (edit_mode != ED_MODE_DRAWING)
15750         ChangeEditModeWindow(ED_MODE_DRAWING);
15751
15752       if (button == 1)
15753       {
15754         // undo
15755
15756         undo_buffer_position =
15757           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
15758
15759         undo_buffer_steps--;
15760         redo_buffer_steps++;
15761       }
15762       else
15763       {
15764         // redo
15765
15766         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15767
15768         undo_buffer_steps++;
15769         redo_buffer_steps--;
15770       }
15771
15772       for (x = 0; x < lev_fieldx; x++)
15773         for (y = 0; y < lev_fieldy; y++)
15774           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
15775
15776       // check if undo operation forces change of border style
15777       CheckLevelBorderElement(FALSE);
15778
15779       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15780
15781       break;
15782
15783     case GADGET_ID_CONF:
15784       if (edit_mode != ED_MODE_LEVELCONFIG)
15785       {
15786         last_edit_mode = edit_mode;
15787
15788         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
15789       }
15790       else
15791       {
15792         ChangeEditModeWindow(ED_MODE_DRAWING);
15793       }
15794       break;
15795
15796     case GADGET_ID_CLEAR:
15797       if (edit_mode != ED_MODE_DRAWING)
15798         ChangeEditModeWindow(ED_MODE_DRAWING);
15799
15800       for (x = 0; x < MAX_LEV_FIELDX; x++)
15801         for (y = 0; y < MAX_LEV_FIELDY; y++)
15802           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
15803
15804       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
15805
15806       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15807       break;
15808
15809     case GADGET_ID_SAVE:
15810     {
15811       // saving read-only levels into personal level set modifies global vars
15812       // "leveldir_current" and "level_nr"; restore them after saving level
15813       LevelDirTree *leveldir_former = leveldir_current;
15814       int level_nr_former = level_nr;
15815       char *level_filename;
15816       boolean new_level;
15817
15818       if (leveldir_current->readonly &&
15819           !PrepareSavingIntoPersonalLevelSet())
15820         break;
15821
15822       level_filename = getDefaultLevelFilename(level_nr);
15823       new_level = !fileExists(level_filename);
15824
15825       if (new_level ||
15826           Request("Save this level and kill the old?", REQ_ASK))
15827       {
15828         if (leveldir_former->readonly)
15829           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
15830
15831         SetAutomaticNumberOfGemsNeeded();
15832
15833         CopyPlayfield(Tile, level.field);
15834         SaveLevel(level_nr);
15835
15836         level.changed = FALSE;
15837
15838         if (new_level)
15839         {
15840           char level_saved_msg[64];
15841
15842           if (leveldir_former->readonly)
15843             sprintf(level_saved_msg,
15844                     "Level saved as level %d into personal level set!",
15845                     level_nr);
15846           else
15847             strcpy(level_saved_msg, "Level saved!");
15848
15849           Request(level_saved_msg, REQ_CONFIRM);
15850         }
15851       }
15852
15853       // "cd" back to copied-from levelset (in case of saved read-only level)
15854       leveldir_current = leveldir_former;
15855       level_nr = level_nr_former;
15856
15857       break;
15858     }
15859
15860     case GADGET_ID_TEST:
15861       if (LevelChanged())
15862         level.game_version = GAME_VERSION_ACTUAL;
15863
15864       CopyPlayfield(level.field, TileBackup);
15865       CopyPlayfield(Tile, level.field);
15866
15867       CopyNativeLevel_RND_to_Native(&level);
15868
15869       UnmapLevelEditorGadgets();
15870       UndrawSpecialEditorDoor();
15871
15872       CloseDoor(DOOR_CLOSE_ALL);
15873
15874       // needed before playing if editor playfield area has different size
15875       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
15876
15877       // redraw_mask = REDRAW_ALL;
15878
15879       level_editor_test_game = TRUE;
15880
15881       StartGameActions(FALSE, setup.autorecord, level.random_seed);
15882
15883       break;
15884
15885     case GADGET_ID_EXIT:
15886       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
15887       break;
15888
15889     default:
15890       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
15891           id <= GADGET_ID_ELEMENTLIST_LAST)
15892       {
15893         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
15894
15895         new_element = editor_elements[element_position + element_shift];
15896
15897         if (IS_EDITOR_CASCADE(new_element))
15898         {
15899           int i;
15900
15901           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
15902           {
15903             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
15904             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
15905
15906             if (*cascade_element == new_element)
15907             {
15908               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
15909               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
15910
15911               // update element selection list
15912               ReinitializeElementList();
15913               ModifyEditorElementList();
15914
15915               // update cascading gadget info text
15916               PrintEditorGadgetInfoText(level_editor_gadget[id]);
15917
15918               // save current editor cascading state
15919               SaveSetup_EditorCascade();
15920
15921               break;
15922             }
15923           }
15924
15925           break;
15926         }
15927
15928         if (last_custom_copy_mode != -1)
15929         {
15930           if (CopyCustomElement(properties_element, new_element,
15931                                 last_custom_copy_mode))
15932           {
15933             ClickOnGadget(level_editor_gadget[last_drawing_function],
15934                           MB_LEFTBUTTON);
15935
15936             last_custom_copy_mode = -1;
15937           }
15938
15939           break;
15940         }
15941
15942         // change element of button used to show palette
15943         if (editor.palette.show_on_element_buttons)
15944           button = last_button;
15945
15946         PickDrawingElement(button, new_element);
15947
15948         if (!stick_element_properties_window &&
15949             drawing_function != GADGET_ID_PICK_ELEMENT &&
15950             !(GetKeyModState() & KMOD_Control))
15951         {
15952           properties_element = new_element;
15953           if (edit_mode == ED_MODE_PROPERTIES)
15954             DrawPropertiesWindow();
15955         }
15956
15957         if (drawing_function == GADGET_ID_PICK_ELEMENT)
15958           ClickOnGadget(level_editor_gadget[last_drawing_function],
15959                         MB_LEFTBUTTON);
15960
15961         if (!use_permanent_palette)
15962           ChangeEditModeWindow(last_edit_mode);
15963       }
15964 #ifdef DEBUG
15965       else if (gi->event.type == GD_EVENT_PRESSED)
15966         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
15967       else if (gi->event.type == GD_EVENT_RELEASED)
15968         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
15969       else if (gi->event.type == GD_EVENT_MOVING)
15970         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
15971       else
15972         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
15973 #endif
15974       break;
15975   }
15976 }
15977
15978 void HandleLevelEditorKeyInput(Key key)
15979 {
15980   char letter = getCharFromKey(key);
15981
15982   if (drawing_function == GADGET_ID_TEXT &&
15983       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
15984   {
15985     if (letter)
15986       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
15987     else if (key == KSYM_Delete || key == KSYM_BackSpace)
15988       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
15989     else if (key == KSYM_Return)
15990       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
15991     else if (key == KSYM_Escape)
15992       DrawLevelText(0, 0, 0, TEXT_END);
15993
15994     return;
15995   }
15996
15997   int id = GADGET_ID_NONE;
15998   int new_element_shift = element_shift;
15999   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
16000   int button = MB_LEFTBUTTON;
16001   int i;
16002
16003   switch (key)
16004   {
16005     case KSYM_Left:
16006       id = GADGET_ID_SCROLL_LEFT;
16007       break;
16008     case KSYM_Right:
16009       id = GADGET_ID_SCROLL_RIGHT;
16010       break;
16011     case KSYM_Up:
16012       id = GADGET_ID_SCROLL_UP;
16013       break;
16014     case KSYM_Down:
16015       id = GADGET_ID_SCROLL_DOWN;
16016       break;
16017
16018     case KSYM_Page_Up:
16019     case KSYM_Page_Down:
16020       step *= (key == KSYM_Page_Up ? -1 : +1);
16021       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16022
16023       if (element_shift < 0)
16024         element_shift = 0;
16025       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16026         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16027
16028       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16029                    GDI_SCROLLBAR_ITEM_POSITION,
16030                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16031
16032       ModifyEditorElementList();
16033
16034       break;
16035
16036     case KSYM_Home:
16037     case KSYM_End:
16038       element_shift = (key == KSYM_Home ? 0 :
16039                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
16040
16041       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16042                    GDI_SCROLLBAR_ITEM_POSITION,
16043                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16044
16045       ModifyEditorElementList();
16046
16047       break;
16048
16049     case KSYM_Insert:
16050     case KSYM_Delete:
16051
16052       // this is needed to prevent interference with running "True X-Mouse"
16053       if (GetKeyModStateFromEvents() & KMOD_Control)
16054         break;
16055
16056       // check for last or next editor cascade block in element list
16057       for (i = 0; i < num_editor_elements; i++)
16058       {
16059         if ((key == KSYM_Insert && i == element_shift) ||
16060             (key == KSYM_Delete && new_element_shift > element_shift))
16061           break;
16062
16063         // jump to next cascade block (or to start of element list)
16064         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
16065           new_element_shift = i;
16066       }
16067
16068       if (i < num_editor_elements)
16069         element_shift = new_element_shift;
16070
16071       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16072         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16073
16074       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16075                    GDI_SCROLLBAR_ITEM_POSITION,
16076                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16077
16078       ModifyEditorElementList();
16079
16080       break;
16081
16082     case KSYM_Escape:
16083       if (edit_mode == ED_MODE_DRAWING)
16084         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
16085       else if (edit_mode == ED_MODE_LEVELCONFIG)
16086         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
16087       else if (edit_mode == ED_MODE_PROPERTIES)
16088         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
16089       else if (edit_mode == ED_MODE_PALETTE)
16090         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
16091       else              // should never happen
16092         ChangeEditModeWindow(ED_MODE_DRAWING);
16093
16094       break;
16095
16096     default:
16097       break;
16098   }
16099
16100   if (id != GADGET_ID_NONE)
16101     ClickOnGadget(level_editor_gadget[id], button);
16102   else if (letter == '1' || letter == '?')
16103     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
16104   else if (letter == '2')
16105     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
16106   else if (letter == '3')
16107     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
16108   else if (letter == '.')
16109     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
16110   else if (letter == 'U')
16111     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
16112   else if (letter == '-' || key == KSYM_KP_Subtract)
16113     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
16114   else if (letter == '0' || key == KSYM_KP_0)
16115     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
16116   else if (letter == '+' || key == KSYM_KP_Add ||
16117            letter == '=')       // ("Shift-=" is "+" on US keyboards)
16118     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
16119   else if (key == KSYM_Return ||
16120            key == KSYM_space ||
16121            key == setup.shortcut.toggle_pause)
16122     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
16123   else
16124     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
16125       if (letter && letter == controlbutton_info[i].shortcut)
16126         if (!anyTextGadgetActive())
16127           ClickOnGadget(level_editor_gadget[i], button);
16128
16129   if (draw_with_brush)
16130   {
16131     if (letter == 'x')
16132       FlipBrushX();
16133     else if (letter == 'y')
16134       FlipBrushY();
16135     else if (letter == 'z')
16136       RotateBrush();
16137   }
16138 }
16139
16140 static void HandleLevelEditorIdle_Properties(void)
16141 {
16142   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
16143   int x = editor.settings.element_graphic.x + element_border;
16144   int y = editor.settings.element_graphic.y + element_border;
16145   static DelayCounter action_delay = { 0 };
16146   int i;
16147
16148   action_delay.value = GameFrameDelay;
16149
16150   if (!DelayReached(&action_delay))
16151     return;
16152
16153   for (i = 0; i < ED_NUM_SELECTBOX; i++)
16154   {
16155     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
16156
16157     if (gi->mapped && gi->active && gi->selectbox.open)
16158       return;
16159   }
16160
16161   DrawEditorElementAnimation(SX + x, SY + y);
16162
16163   redraw_mask |= REDRAW_FIELD;
16164
16165   FrameCounter++;       // increase animation frame counter
16166 }
16167
16168 static void HandleLevelEditorIdle_Drawing(void)
16169 {
16170   static boolean last_highlighted = FALSE;
16171   static boolean last_highlighted_similar = FALSE;
16172   boolean highlighted = (GetKeyModState() & KMOD_Alt);
16173   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
16174
16175   if (highlighted != last_highlighted ||
16176       (highlighted && highlighted_similar != last_highlighted_similar))
16177   {
16178     DrawAreaElementHighlight(highlighted, highlighted_similar);
16179
16180     redraw_mask |= REDRAW_FIELD;
16181   }
16182
16183   last_highlighted = highlighted;
16184   last_highlighted_similar = highlighted_similar;
16185 }
16186
16187 void HandleLevelEditorIdle(void)
16188 {
16189   if (edit_mode == ED_MODE_PROPERTIES)
16190     HandleLevelEditorIdle_Properties();
16191   else if (edit_mode == ED_MODE_DRAWING)
16192     HandleLevelEditorIdle_Drawing();
16193 }
16194
16195 static void ClearEditorGadgetInfoText(void)
16196 {
16197   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
16198 }
16199
16200 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
16201 {
16202   char infotext[MAX_OUTPUT_LINESIZE + 1];
16203   int max_infotext_len = getMaxInfoTextLength();
16204
16205   if (gi == NULL || strlen(gi->info_text) == 0)
16206     return;
16207
16208   strncpy(infotext, gi->info_text, max_infotext_len);
16209   infotext[max_infotext_len] = '\0';
16210
16211   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
16212   {
16213     int key = controlbutton_info[gi->custom_id].shortcut;
16214
16215     if (key)
16216     {
16217       char shortcut[MAX_OUTPUT_LINESIZE + 1];
16218
16219       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
16220         sprintf(shortcut, " ('.' or '%c')", key);
16221       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
16222         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
16223       else if (gi->custom_id == GADGET_ID_TEST)
16224         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
16225       else if (gi->custom_id == GADGET_ID_UNDO)
16226         sprintf(shortcut, " ('%c/Shift-U')", key);
16227       else if (gi->custom_id == GADGET_ID_ZOOM)
16228         sprintf(shortcut, " ('%c', '0', '-')", key);
16229       else
16230         sprintf(shortcut, " ('%s%c')",
16231                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
16232
16233       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
16234         strcat(infotext, shortcut);
16235     }
16236   }
16237
16238   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
16239 }
16240
16241 void HandleEditorGadgetInfoText(void *ptr)
16242 {
16243   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
16244
16245   if (game_status != GAME_MODE_EDITOR)
16246     return;
16247
16248   ClearEditorGadgetInfoText();
16249
16250   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
16251     return;
16252
16253   // misuse this function to delete brush cursor, if needed
16254   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
16255     DeleteBrushFromCursor();
16256
16257   PrintEditorGadgetInfoText(gi);
16258 }
16259
16260 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
16261 {
16262   int id = gi->custom_id;
16263   int type_id = gi->custom_type_id;
16264   int sx = gi->event.x;
16265   int sy = gi->event.y;
16266   int lx = sx + level_xpos;
16267   int ly = sy + level_ypos;
16268   int min_sx = 0, min_sy = 0;
16269   int max_sx = gi->drawing.area_xsize - 1;
16270   int max_sy = gi->drawing.area_ysize - 1;
16271   int actual_drawing_function = drawing_function;
16272   int max_infotext_len = getMaxInfoTextLength();
16273   char infotext[MAX_OUTPUT_LINESIZE + 1];
16274
16275   infotext[0] = '\0';           // start with empty info text
16276
16277   // pressed Control key: simulate picking element
16278   if (GetKeyModState() & KMOD_Control)
16279     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
16280
16281   ClearEditorGadgetInfoText();
16282
16283   if (gi->event.type == GD_EVENT_INFO_LEAVING)
16284     return;
16285
16286   // make sure to stay inside drawing area boundaries
16287   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
16288   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
16289
16290   if (id == GADGET_ID_DRAWING_LEVEL)
16291   {
16292     if (button_status)
16293     {
16294       int min_lx = 0, min_ly = 0;
16295       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
16296
16297       // get positions inside level field
16298       lx = sx + level_xpos;
16299       ly = sy + level_ypos;
16300
16301       // make sure to stay inside level field boundaries
16302       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
16303       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
16304
16305       // correct drawing area positions accordingly
16306       sx = lx - level_xpos;
16307       sy = ly - level_ypos;
16308     }
16309
16310     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16311     {
16312       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
16313       {
16314         static int start_lx = 0;
16315         static int start_ly = 0;
16316         char *text;
16317
16318         if (gi->event.type == GD_EVENT_PRESSED)
16319         {
16320           start_lx = lx;
16321           start_ly = ly;
16322         }
16323
16324         switch (actual_drawing_function)
16325         {
16326           case GADGET_ID_SINGLE_ITEMS:
16327             text = "Drawing single items";
16328             break;
16329           case GADGET_ID_CONNECTED_ITEMS:
16330             text = "Drawing connected items";
16331             break;
16332           case GADGET_ID_LINE:
16333             text = "Drawing line";
16334             break;
16335           case GADGET_ID_ARC:
16336             text = "Drawing arc";
16337             break;
16338           case GADGET_ID_TEXT:
16339             text = "Setting text cursor";
16340             break;
16341           case GADGET_ID_RECTANGLE:
16342             text = "Drawing rectangle";
16343             break;
16344           case GADGET_ID_FILLED_BOX:
16345             text = "Drawing filled box";
16346             break;
16347           case GADGET_ID_FLOOD_FILL:
16348             text = "Flood fill";
16349             break;
16350           case GADGET_ID_GRAB_BRUSH:
16351             text = "Grabbing brush";
16352             break;
16353           case GADGET_ID_PICK_ELEMENT:
16354             text = "Picking element";
16355             break;
16356
16357           default:
16358             text = "Drawing position";
16359             break;
16360         }
16361
16362         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16363           sprintf(infotext, "%s: %d, %d", text, lx, ly);
16364         else
16365           sprintf(infotext, "%s: %d, %d", text,
16366                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
16367       }
16368       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16369         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
16370       else
16371         sprintf(infotext, "Level position: %d, %d", lx, ly);
16372     }
16373
16374     // misuse this function to draw brush cursor, if needed
16375     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
16376     {
16377       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16378         CopyBrushToCursor(sx, sy);
16379       else
16380         DeleteBrushFromCursor();
16381     }
16382
16383     if (!draw_with_brush)
16384       UpdateBrushPosition(sx, sy);
16385   }
16386   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16387   {
16388     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16389     int element = drawingarea_info[type_id].value[pos];
16390
16391     strncpy(infotext, getElementInfoText(element), max_infotext_len);
16392   }
16393   else
16394   {
16395     if (id == GADGET_ID_CUSTOM_CONTENT)
16396       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
16397     else if (id == GADGET_ID_GROUP_CONTENT)
16398       sprintf(infotext, "group element position: %d", sx + 1);
16399     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
16400              id <= GADGET_ID_YAMYAM_CONTENT_7)
16401       sprintf(infotext, "content area %d position: %d, %d",
16402               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
16403     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
16404              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
16405       sprintf(infotext, "content area %d position: %d, %d",
16406               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
16407     else if (id == GADGET_ID_ANDROID_CONTENT)
16408       sprintf(infotext, "android element position: %d", sx + 1);
16409     else if (drawingarea_info[type_id].infotext != NULL)
16410       strcpy(infotext, drawingarea_info[type_id].infotext);
16411   }
16412
16413   infotext[max_infotext_len] = '\0';
16414
16415   if (strlen(infotext) > 0)
16416     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
16417 }
16418
16419 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
16420                             boolean quick_quit)
16421 {
16422   if (!ask_if_level_has_changed ||
16423       !LevelChanged() ||
16424       Request("Level has changed! Exit without saving?",
16425               REQ_ASK | REQ_STAY_OPEN))
16426   {
16427     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
16428     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
16429
16430     // draw normal door
16431     UndrawSpecialEditorDoor();
16432
16433     // use door animation if door 1 viewport is unchanged and contains toolbox
16434     if (useEditorDoorAnimation())
16435       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
16436
16437     // close editor doors if viewport definition is the same as in main menu
16438     if (vp_door_1->x      == DX     &&
16439         vp_door_1->y      == DY     &&
16440         vp_door_1->width  == DXSIZE &&
16441         vp_door_1->height == DYSIZE &&
16442         vp_door_2->x      == VX     &&
16443         vp_door_2->y      == VY     &&
16444         vp_door_2->width  == VXSIZE &&
16445         vp_door_2->height == VYSIZE)
16446       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
16447     else
16448       SetDoorState(DOOR_CLOSE_ALL);
16449
16450     BackToFront();
16451
16452     if (quick_quit)
16453       FadeSkipNextFadeIn();
16454
16455     SetGameStatus(GAME_MODE_MAIN);
16456
16457     DrawMainMenu();
16458   }
16459   else
16460   {
16461     if (!global.use_envelope_request)
16462     {
16463       CloseDoor(DOOR_CLOSE_1);
16464       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
16465     }
16466   }
16467 }