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_AMOEBA_CONTENT_TOO_BIG,
 560   GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,
 561   GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
 562   GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
 563   GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
 564   GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
 565   GADGET_ID_START_ELEMENT,
 566   GADGET_ID_ARTWORK_ELEMENT,
 567   GADGET_ID_EXPLOSION_ELEMENT,
 568   GADGET_ID_INVENTORY_CONTENT,
 569   GADGET_ID_MM_BALL_CONTENT,
 570   GADGET_ID_CUSTOM_GRAPHIC,
 571   GADGET_ID_CUSTOM_CONTENT,
 572   GADGET_ID_CUSTOM_MOVE_ENTER,
 573   GADGET_ID_CUSTOM_MOVE_LEAVE,
 574   GADGET_ID_CUSTOM_CHANGE_TARGET,
 575   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 576   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 577   GADGET_ID_CUSTOM_CHANGE_ACTION,
 578   GADGET_ID_GROUP_CONTENT,
 579   GADGET_ID_RANDOM_BACKGROUND,
 580
 581   // text input identifiers
 582
 583   GADGET_ID_LEVEL_NAME,
 584   GADGET_ID_LEVEL_AUTHOR,
 585   GADGET_ID_LEVELSET_NAME,
 586   GADGET_ID_LEVELSET_AUTHOR,
 587   GADGET_ID_ELEMENT_NAME,
 588
 589   // text area identifiers
 590
 591   GADGET_ID_ENVELOPE_INFO,
 592
 593   // selectbox identifiers
 594
 595   GADGET_ID_TIME_OR_STEPS,
 596   GADGET_ID_TIME_SCORE_BASE,
 597   GADGET_ID_GAME_ENGINE_TYPE,
 598   GADGET_ID_BD_SCHEDULING_TYPE,
 599   GADGET_ID_LEVELSET_SAVE_MODE,
 600   GADGET_ID_WIND_DIRECTION,
 601   GADGET_ID_PLAYER_SPEED,
 602   GADGET_ID_MM_BALL_CHOICE_MODE,
 603   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 604   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 605   GADGET_ID_CUSTOM_DEADLINESS,
 606   GADGET_ID_CUSTOM_MOVE_PATTERN,
 607   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 608   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 609   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 610   GADGET_ID_CUSTOM_SMASH_TARGETS,
 611   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 612   GADGET_ID_CUSTOM_ACCESS_TYPE,
 613   GADGET_ID_CUSTOM_ACCESS_LAYER,
 614   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 615   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 616   GADGET_ID_CHANGE_TIME_UNITS,
 617   GADGET_ID_CHANGE_DIRECT_ACTION,
 618   GADGET_ID_CHANGE_OTHER_ACTION,
 619   GADGET_ID_CHANGE_SIDE,
 620   GADGET_ID_CHANGE_PLAYER,
 621   GADGET_ID_CHANGE_PAGE,
 622   GADGET_ID_CHANGE_REPLACE_WHEN,
 623   GADGET_ID_ACTION_TYPE,
 624   GADGET_ID_ACTION_MODE,
 625   GADGET_ID_ACTION_ARG,
 626   GADGET_ID_SELECT_CHANGE_PAGE,
 627   GADGET_ID_GROUP_CHOICE_MODE,
 628
 629   // textbutton identifiers
 630
 631   GADGET_ID_LEVELCONFIG_LEVEL,
 632   GADGET_ID_LEVELCONFIG_LEVELSET,
 633   GADGET_ID_LEVELCONFIG_EDITOR,
 634   GADGET_ID_LEVELCONFIG_ENGINE,
 635   GADGET_ID_PROPERTIES_INFO,
 636   GADGET_ID_PROPERTIES_CONFIG,
 637   GADGET_ID_PROPERTIES_CONFIG_1,
 638   GADGET_ID_PROPERTIES_CONFIG_2,
 639   GADGET_ID_PROPERTIES_CHANGE,
 640   GADGET_ID_SAVE_AS_TEMPLATE_1,
 641   GADGET_ID_SAVE_AS_TEMPLATE_2,
 642   GADGET_ID_SAVE_LEVELSET,
 643   GADGET_ID_ADD_CHANGE_PAGE,
 644   GADGET_ID_DEL_CHANGE_PAGE,
 645
 646   // graphicbutton identifiers
 647
 648   GADGET_ID_PREV_CHANGE_PAGE,
 649   GADGET_ID_NEXT_CHANGE_PAGE,
 650   GADGET_ID_COPY_CHANGE_PAGE,
 651   GADGET_ID_PASTE_CHANGE_PAGE,
 652
 653   // gadgets for scrolling of drawing area
 654
 655   GADGET_ID_SCROLL_UP,
 656   GADGET_ID_SCROLL_DOWN,
 657   GADGET_ID_SCROLL_LEFT,
 658   GADGET_ID_SCROLL_RIGHT,
 659   GADGET_ID_SCROLL_HORIZONTAL,
 660   GADGET_ID_SCROLL_VERTICAL,
 661
 662   // gadgets for scrolling element list
 663
 664   GADGET_ID_SCROLL_LIST_UP,
 665   GADGET_ID_SCROLL_LIST_DOWN,
 666   GADGET_ID_SCROLL_LIST_VERTICAL,
 667
 668   // checkbuttons/radiobuttons for level/element properties
 669
 670   GADGET_ID_AUTO_COUNT_GEMS,
 671   GADGET_ID_RATE_TIME_OVER_SCORE,
 672   GADGET_ID_USE_LEVELSET_ARTWORK,
 673   GADGET_ID_COPY_LEVEL_TEMPLATE,
 674   GADGET_ID_RANDOM_PERCENTAGE,
 675   GADGET_ID_RANDOM_QUANTITY,
 676   GADGET_ID_RANDOM_RESTRICTED,
 677   GADGET_ID_BD_INTERMISSION,
 678   GADGET_ID_BD_PAL_TIMING,
 679   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 680   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 681   GADGET_ID_BD_SHORT_EXPLOSIONS,
 682   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 683   GADGET_ID_STICK_ELEMENT,
 684   GADGET_ID_EM_SLIPPERY_GEMS,
 685   GADGET_ID_EM_EXPLODES_BY_FIRE,
 686   GADGET_ID_USE_SPRING_BUG,
 687   GADGET_ID_USE_TIME_ORB_BUG,
 688   GADGET_ID_USE_LIFE_BUGS,
 689   GADGET_ID_RANDOM_BALL_CONTENT,
 690   GADGET_ID_INITIAL_BALL_ACTIVE,
 691   GADGET_ID_GROW_INTO_DIGGABLE,
 692   GADGET_ID_SB_FIELDS_NEEDED,
 693   GADGET_ID_SB_OBJECTS_NEEDED,
 694   GADGET_ID_AUTO_EXIT_SOKOBAN,
 695   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 696   GADGET_ID_FINISH_DIG_COLLECT,
 697   GADGET_ID_KEEP_WALKABLE_CE,
 698   GADGET_ID_CONTINUOUS_SNAPPING,
 699   GADGET_ID_BLOCK_SNAP_FIELD,
 700   GADGET_ID_BLOCK_LAST_FIELD,
 701   GADGET_ID_SP_BLOCK_LAST_FIELD,
 702   GADGET_ID_INSTANT_RELOCATION,
 703   GADGET_ID_SHIFTED_RELOCATION,
 704   GADGET_ID_LAZY_RELOCATION,
 705   GADGET_ID_USE_START_ELEMENT,
 706   GADGET_ID_USE_ARTWORK_ELEMENT,
 707   GADGET_ID_USE_EXPLOSION_ELEMENT,
 708   GADGET_ID_INITIAL_GRAVITY,
 709   GADGET_ID_USE_INITIAL_INVENTORY,
 710   GADGET_ID_CAN_PASS_TO_WALKABLE,
 711   GADGET_ID_CAN_FALL_INTO_ACID,
 712   GADGET_ID_CAN_MOVE_INTO_ACID,
 713   GADGET_ID_DONT_COLLIDE_WITH,
 714   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 715   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 716   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 717   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 718   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 719   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 720   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 721   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 722   GADGET_ID_ENVELOPE_AUTOWRAP,
 723   GADGET_ID_ENVELOPE_CENTERED,
 724   GADGET_ID_MM_LASER_RED,
 725   GADGET_ID_MM_LASER_GREEN,
 726   GADGET_ID_MM_LASER_BLUE,
 727   GADGET_ID_DF_LASER_RED,
 728   GADGET_ID_DF_LASER_GREEN,
 729   GADGET_ID_DF_LASER_BLUE,
 730   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 731   GADGET_ID_EXPLODE_MM_BALL,
 732   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 733   GADGET_ID_CUSTOM_CAN_EXPLODE,
 734   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 735   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 736   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 737   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 738   GADGET_ID_CUSTOM_DEADLY,
 739   GADGET_ID_CUSTOM_CAN_MOVE,
 740   GADGET_ID_CUSTOM_CAN_FALL,
 741   GADGET_ID_CUSTOM_CAN_SMASH,
 742   GADGET_ID_CUSTOM_SLIPPERY,
 743   GADGET_ID_CUSTOM_ACCESSIBLE,
 744   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 745   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 746   GADGET_ID_CUSTOM_USE_GRAPHIC,
 747   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 748   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 749   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 750   GADGET_ID_CUSTOM_CAN_CHANGE,
 751   GADGET_ID_CHANGE_USE_CONTENT,
 752   GADGET_ID_CHANGE_USE_EXPLOSION,
 753   GADGET_ID_CHANGE_ONLY_COMPLETE,
 754   GADGET_ID_CHANGE_USE_RANDOM,
 755   GADGET_ID_CHANGE_HAS_ACTION,
 756   GADGET_ID_CHANGE_DELAY,
 757   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 758   GADGET_ID_CHANGE_BY_OTHER_ACT,
 759
 760   NUM_STATIC_GADGET_IDS
 761 };
 762
 763 // gadgets for buttons in element list (dynamic)
 764 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 765 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 766                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 767
 768 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 769
 770 // radio button numbers
 771 enum
 772 {
 773   RADIO_NR_NONE,
 774   RADIO_NR_DRAWING_TOOLBOX,
 775   RADIO_NR_RANDOM_ELEMENTS
 776 };
 777
 778 // values for counter gadgets
 779 enum
 780 {
 781   ED_COUNTER_ID_SELECT_LEVEL,
 782   ED_COUNTER_ID_LEVEL_XSIZE,
 783   ED_COUNTER_ID_LEVEL_YSIZE,
 784   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 785   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 786   ED_COUNTER_ID_LEVEL_TIMESCORE,
 787   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 788   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 789   ED_COUNTER_ID_LEVEL_RANDOM,
 790   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 791   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 792   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 793   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 794   ED_COUNTER_ID_BD_PUSHING_PROB,
 795   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 796   ED_COUNTER_ID_ELEMENT_VALUE1,
 797   ED_COUNTER_ID_ELEMENT_VALUE2,
 798   ED_COUNTER_ID_ELEMENT_VALUE3,
 799   ED_COUNTER_ID_ELEMENT_VALUE4,
 800   ED_COUNTER_ID_YAMYAM_CONTENT,
 801   ED_COUNTER_ID_BALL_CONTENT,
 802   ED_COUNTER_ID_ANDROID_CONTENT,
 803   ED_COUNTER_ID_ENVELOPE_XSIZE,
 804   ED_COUNTER_ID_ENVELOPE_YSIZE,
 805   ED_COUNTER_ID_INVENTORY_SIZE,
 806   ED_COUNTER_ID_MM_BALL_CONTENT,
 807   ED_COUNTER_ID_CUSTOM_SCORE,
 808   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 809   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 810   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 811   ED_COUNTER_ID_PUSH_DELAY_FIX,
 812   ED_COUNTER_ID_PUSH_DELAY_RND,
 813   ED_COUNTER_ID_DROP_DELAY_FIX,
 814   ED_COUNTER_ID_DROP_DELAY_RND,
 815   ED_COUNTER_ID_MOVE_DELAY_FIX,
 816   ED_COUNTER_ID_MOVE_DELAY_RND,
 817   ED_COUNTER_ID_STEP_DELAY_FIX,
 818   ED_COUNTER_ID_STEP_DELAY_RND,
 819   ED_COUNTER_ID_EXPLOSION_DELAY,
 820   ED_COUNTER_ID_IGNITION_DELAY,
 821   ED_COUNTER_ID_GROUP_CONTENT,
 822   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 823   ED_COUNTER_ID_CHANGE_DELAY_RND,
 824   ED_COUNTER_ID_CHANGE_CONT_RND,
 825
 826   ED_NUM_COUNTERBUTTONS
 827 };
 828
 829 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 830 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 831 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 832 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 833 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 834 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 835
 836 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 837 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 838 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 839 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 840 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 841 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 842
 843 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 844 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 845
 846 // values for scrollbutton gadgets
 847 enum
 848 {
 849   ED_SCROLLBUTTON_ID_AREA_UP,
 850   ED_SCROLLBUTTON_ID_AREA_DOWN,
 851   ED_SCROLLBUTTON_ID_AREA_LEFT,
 852   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 853   ED_SCROLLBUTTON_ID_LIST_UP,
 854   ED_SCROLLBUTTON_ID_LIST_DOWN,
 855
 856   ED_NUM_SCROLLBUTTONS
 857 };
 858
 859 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 860 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 861
 862 // values for scrollbar gadgets
 863 enum
 864 {
 865   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 866   ED_SCROLLBAR_ID_AREA_VERTICAL,
 867   ED_SCROLLBAR_ID_LIST_VERTICAL,
 868
 869   ED_NUM_SCROLLBARS
 870 };
 871
 872 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 873 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 874
 875 // values for text input gadgets
 876 enum
 877 {
 878   ED_TEXTINPUT_ID_LEVEL_NAME,
 879   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 880   ED_TEXTINPUT_ID_LEVELSET_NAME,
 881   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 882   ED_TEXTINPUT_ID_ELEMENT_NAME,
 883
 884   ED_NUM_TEXTINPUT
 885 };
 886
 887 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 888 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 889
 890 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 891 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 892
 893 // values for text area gadgets
 894 enum
 895 {
 896   ED_TEXTAREA_ID_ENVELOPE_INFO,
 897
 898   ED_NUM_TEXTAREAS
 899 };
 900
 901 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 902 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 903
 904 // values for selectbox gadgets
 905 enum
 906 {
 907   ED_SELECTBOX_ID_TIME_OR_STEPS,
 908   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 909   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 910   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 911   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 912   ED_SELECTBOX_ID_WIND_DIRECTION,
 913   ED_SELECTBOX_ID_PLAYER_SPEED,
 914   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 915   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 916   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 917   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 918   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 919   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 920   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 921   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 922   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 923   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 924   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 925   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 926   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 927   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 928   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 929   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 930   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 931   ED_SELECTBOX_ID_CHANGE_SIDE,
 932   ED_SELECTBOX_ID_CHANGE_PLAYER,
 933   ED_SELECTBOX_ID_CHANGE_PAGE,
 934   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 935   ED_SELECTBOX_ID_ACTION_TYPE,
 936   ED_SELECTBOX_ID_ACTION_MODE,
 937   ED_SELECTBOX_ID_ACTION_ARG,
 938   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 939   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 940
 941   ED_NUM_SELECTBOX
 942 };
 943
 944 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 945 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 946
 947 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 948 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 949
 950 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 951 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 952
 953 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 954 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 955 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 956 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 957 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 958 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 959
 960 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 961 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 962
 963 // values for textbutton gadgets
 964 enum
 965 {
 966   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
 967   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
 968   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
 969   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
 970   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 971   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 972   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 973   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 974   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 975   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 976   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 977   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 978   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 979   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 980
 981   ED_NUM_TEXTBUTTONS
 982 };
 983
 984 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
 985 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
 986
 987 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 988 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 989
 990 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 991 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 992
 993 // values for graphicbutton gadgets
 994 enum
 995 {
 996   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 997   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 998   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 999   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1000
1001   ED_NUM_GRAPHICBUTTONS
1002 };
1003
1004 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1005 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1006
1007 // values for checkbutton gadgets
1008 enum
1009 {
1010   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1011   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1012   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1013   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1014   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1015   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1016   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1017   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1018   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1019   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1020   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1021   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1022   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1023   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1024   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1025   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1026   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1027   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1028   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1029   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1030   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1031   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1032   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1033   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1034   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1035   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1036   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1037   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1038   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1039   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1040   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1041   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1042   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1043   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1044   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1045   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1046   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1047   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1048   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1049   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1050   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1051   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1052   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1053   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1054   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1055   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1056   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1057   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1058   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1059   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1060   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1061   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1062   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1063   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1064   ED_CHECKBUTTON_ID_MM_LASER_RED,
1065   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1066   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1067   ED_CHECKBUTTON_ID_DF_LASER_RED,
1068   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1069   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1070   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1071   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1072   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1073   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1074   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1075   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1076   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1077   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1078   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1079   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1080   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1081   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1082   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1083   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1084   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1085   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1086   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1087   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1088   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1089   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1090   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1091   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1092   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1093   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1094   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1095   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1096   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1097
1098   ED_NUM_CHECKBUTTONS
1099 };
1100
1101 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1102 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1103
1104 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1105 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1106
1107 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1108 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1109
1110 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1111 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL
1112
1113 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1114 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1115 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1116 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1117 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1118 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1119
1120 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1121 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1122
1123 // values for radiobutton gadgets
1124 enum
1125 {
1126   ED_RADIOBUTTON_ID_PERCENTAGE,
1127   ED_RADIOBUTTON_ID_QUANTITY,
1128
1129   ED_NUM_RADIOBUTTONS
1130 };
1131
1132 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1133 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1134
1135 // values for drawing area gadgets
1136 enum
1137 {
1138   ED_DRAWING_ID_DRAWING_LEVEL,
1139   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1140   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1141   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1142   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1143   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1144   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1145   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1146   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1147   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1148   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1149   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1150   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1151   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1152   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1153   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1154   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1155   ED_DRAWING_ID_ANDROID_CONTENT,
1156   ED_DRAWING_ID_AMOEBA_CONTENT,
1157   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1158   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1159   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1160   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1161   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1162   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1163   ED_DRAWING_ID_START_ELEMENT,
1164   ED_DRAWING_ID_ARTWORK_ELEMENT,
1165   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1166   ED_DRAWING_ID_INVENTORY_CONTENT,
1167   ED_DRAWING_ID_MM_BALL_CONTENT,
1168   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1169   ED_DRAWING_ID_CUSTOM_CONTENT,
1170   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1171   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1172   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1173   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1174   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1175   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1176   ED_DRAWING_ID_GROUP_CONTENT,
1177   ED_DRAWING_ID_RANDOM_BACKGROUND,
1178
1179   ED_NUM_DRAWING_AREAS
1180 };
1181
1182 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1183 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1184
1185
1186 // ----------------------------------------------------------------------------
1187 // some internally used definitions
1188 // ----------------------------------------------------------------------------
1189
1190 // values for CopyLevelToUndoBuffer()
1191 #define UNDO_IMMEDIATE                  0
1192 #define UNDO_ACCUMULATE                 1
1193
1194 // values for scrollbars
1195 #define ED_SCROLL_NO                    0
1196 #define ED_SCROLL_LEFT                  1
1197 #define ED_SCROLL_RIGHT                 2
1198 #define ED_SCROLL_UP                    4
1199 #define ED_SCROLL_DOWN                  8
1200
1201 // screens in the level editor
1202 #define ED_MODE_DRAWING                 0
1203 #define ED_MODE_LEVELCONFIG             1
1204 #define ED_MODE_PROPERTIES              2
1205 #define ED_MODE_PALETTE                 3
1206
1207 // sub-screens in the global settings section
1208 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1209 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1210 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1211 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1212
1213 // sub-screens in the element properties section
1214 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1215 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1216 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1217 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1218 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1219
1220 // how many steps can be cancelled
1221 #define NUM_UNDO_STEPS                  (64 + 1)
1222
1223 // values for elements with score for certain actions
1224 #define MIN_SCORE                       0
1225 #define MAX_SCORE                       999
1226
1227 // values for elements with count for collecting
1228 #define MIN_COLLECT_COUNT               0
1229 #define MAX_COLLECT_COUNT               999
1230
1231 // values for random placement
1232 #define RANDOM_USE_PERCENTAGE           0
1233 #define RANDOM_USE_QUANTITY             1
1234
1235 // values for level set save mode
1236 #define LEVELSET_SAVE_MODE_UPDATE       0
1237 #define LEVELSET_SAVE_MODE_CREATE       1
1238
1239 // default value for element tile size in drawing area
1240 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1241 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1242
1243
1244 // ----------------------------------------------------------------------------
1245 // some internally used data structure definitions
1246 // ----------------------------------------------------------------------------
1247
1248 static struct
1249 {
1250   int graphic;
1251   int gadget_id;
1252   struct XYTileSize *pos;
1253   int gadget_type;
1254   char *infotext;
1255   char shortcut;
1256 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1257 {
1258   // note: some additional characters are already reserved for "cheat mode"
1259   // shortcuts (":XYZ" style) -- for details, see "events.c"
1260
1261   // ---------- toolbox control buttons ---------------------------------------
1262
1263   {
1264     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1265     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1266     "draw single items",                        's'
1267   },
1268   {
1269     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1270     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1271     "draw connected items",                     'd'
1272   },
1273   {
1274     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1275     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1276     "draw lines",                               'l'
1277   },
1278   {
1279     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1280     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1281     "draw arcs",                                'a'
1282   },
1283   {
1284     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1285     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1286     "draw outline rectangles",                  'r'
1287   },
1288   {
1289     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1290     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1291     "draw filled rectangles",                   'R'
1292   },
1293   {
1294     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1295     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1296     "wrap (rotate) level up",                   0
1297   },
1298   {
1299     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1300     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1301     "enter text elements",                      't'
1302   },
1303   {
1304     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1305     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1306     "flood fill",                               'f'
1307   },
1308   {
1309     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1310     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1311     "wrap (rotate) level left",                 0
1312   },
1313   {
1314     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1315     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1316     "zoom level tile size",                     '+'
1317   },
1318   {
1319     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1320     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1321     "wrap (rotate) level right",                0
1322   },
1323   {
1324     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1325     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1326     "random element placement",                 0
1327   },
1328   {
1329     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1330     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1331     "grab brush",                               'b'
1332   },
1333   {
1334     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1335     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1336     "wrap (rotate) level down",                 0
1337   },
1338   {
1339     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1340     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1341     "pick drawing element",                     ','
1342   },
1343
1344   // ---------- level control buttons -----------------------------------------
1345
1346   {
1347     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1348     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1349     "undo/redo last operation",                 'u'
1350   },
1351   {
1352     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1353     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1354     "level and editor settings",                'I'
1355   },
1356   {
1357     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1358     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1359     "save level",                               'S'
1360   },
1361   {
1362     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1363     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1364     "clear level",                              'C'
1365   },
1366   {
1367     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1368     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1369     "test level",                               'T'
1370   },
1371   {
1372     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1373     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1374     "exit level editor",                        'E'
1375   },
1376
1377   // ---------- CE and GE control buttons -------------------------------------
1378
1379   {
1380     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1381     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1382     "copy settings from other element",         0
1383   },
1384   {
1385     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1386     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1387     "copy settings to other element",           0
1388   },
1389   {
1390     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1391     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1392     "exchange element with other element",      0
1393   },
1394   {
1395     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1396     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1397     "copy settings from this element",          0
1398   },
1399   {
1400     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1401     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1402     "paste settings to this element",           0
1403   },
1404
1405   // ---------- palette control buttons ---------------------------------------
1406
1407   {
1408     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1409     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1410     "properties of drawing element",            'p'
1411   },
1412   {
1413     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1414     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1415     "properties of drawing element 1",          '1'
1416   },
1417   {
1418     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1419     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1420     "properties of drawing element 2",          '2'
1421   },
1422   {
1423     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1424     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1425     "properties of drawing element 3",          '3'
1426   },
1427   {
1428     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1429     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1430     "show list of elements",                    'e'
1431   }
1432 };
1433
1434 static int random_placement_value = 10;
1435 static int random_placement_method = RANDOM_USE_QUANTITY;
1436 static int random_placement_background_element = EL_SAND;
1437 static boolean random_placement_background_restricted = FALSE;
1438 static boolean stick_element_properties_window = FALSE;
1439 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1440 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1441 static struct ElementChangeInfo custom_element_change;
1442 static struct ElementGroupInfo group_element_info;
1443 static struct ElementInfo custom_element;
1444
1445 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1446 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1447 static int levelset_num_levels = 100;
1448 static boolean levelset_use_levelset_artwork = FALSE;
1449 static boolean levelset_copy_level_template = FALSE;
1450 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1451
1452 static struct
1453 {
1454   int gadget_type_id;
1455   int x, y;
1456   int min_value, max_value;
1457   int gadget_id_down, gadget_id_up;
1458   int gadget_id_text;
1459   int gadget_id_align;
1460   int *value;
1461   char *text_above, *text_left, *text_right;
1462 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1463 {
1464   // ---------- current level number ------------------------------------------
1465
1466   {
1467     ED_COUNTER_ID_SELECT_LEVEL,
1468     -1, -1,     // these values are not constant, but can change at runtime
1469     1,                                  100,
1470     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1471     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1472     &level_nr,
1473     NULL,                               NULL, NULL
1474   },
1475
1476   // ---------- level and editor settings -------------------------------------
1477
1478   {
1479     ED_COUNTER_ID_LEVEL_XSIZE,
1480     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1481     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1482     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1483     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1484     &level.fieldx,
1485     "playfield size:",                  NULL, "width",
1486   },
1487   {
1488     ED_COUNTER_ID_LEVEL_YSIZE,
1489     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1490     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1491     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1492     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1493     &level.fieldy,
1494     NULL,                               " ", "height",
1495   },
1496   {
1497     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1498     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1499     0,                                  999,
1500     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1501     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1502     &level.gems_needed,
1503     NULL,                               "number of gems to collect:", NULL
1504   },
1505   {
1506     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1507     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1508     0,                                  9999,
1509     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1510     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1511     &level.time,
1512     "time or step limit to solve level:", NULL, NULL
1513   },
1514   {
1515     ED_COUNTER_ID_LEVEL_TIMESCORE,
1516     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1517     0,                                  999,
1518     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1519     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1520     &level.score[SC_TIME_BONUS],
1521     "score for time or steps left:",    NULL, NULL
1522   },
1523   {
1524     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1525     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1526     0,                                  9999,
1527     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1528     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1529     &level.random_seed,
1530     NULL,                               "random seed:", "(0 => random)"
1531   },
1532   {
1533     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1534     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1535     1,                                  MAX_LEVELS,
1536     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1537     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1538     &levelset_num_levels,
1539     "number of levels:",                NULL, NULL,
1540   },
1541   {
1542     ED_COUNTER_ID_LEVEL_RANDOM,
1543     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1544     1,                                  100,
1545     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1546     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1547     &random_placement_value,
1548     "random element placement:",        NULL, "in"
1549   },
1550   {
1551     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1552     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1553     50,                                 500,
1554     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1555     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,   GADGET_ID_NONE,
1556     &level.bd_cycle_delay_ms,
1557     NULL,                               NULL, "game cycle delay (ms)"
1558   },
1559   {
1560     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1561     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1562     0,                                  32,
1563     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,  GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1564     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,  GADGET_ID_NONE,
1565     &level.bd_cycle_delay_c64,
1566     NULL,                               NULL, "game cycle delay (C64-style)"
1567   },
1568   {
1569     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1570     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1571     1,                                  40,
1572     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1573     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1574     &level.bd_hatching_delay_cycles,
1575     NULL,                               NULL, "hatching delay (cycles)"
1576   },
1577   {
1578     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1579     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1580     1,                                  40,
1581     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1582     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1583     &level.bd_hatching_delay_seconds,
1584     NULL,                               NULL, "hatching delay (seconds)"
1585   },
1586
1587   // ---------- element settings: configure (various elements) ----------------
1588
1589   {
1590     ED_COUNTER_ID_BD_PUSHING_PROB,
1591     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1592     0,                                  100,
1593     GADGET_ID_BD_PUSHING_PROB_DOWN,     GADGET_ID_BD_PUSHING_PROB_UP,
1594     GADGET_ID_BD_PUSHING_PROB_TEXT,     GADGET_ID_NONE,
1595     &level.bd_pushing_prob,
1596     NULL,                               NULL, "push probability"
1597   },
1598   {
1599     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1600     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1601     0,                                  100,
1602     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1603     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1604     &level.bd_pushing_prob_with_sweet,
1605     NULL,                               NULL, "push probability with sweet"
1606   },
1607   {
1608     ED_COUNTER_ID_ELEMENT_VALUE1,
1609     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1610     MIN_SCORE,                          MAX_SCORE,
1611     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1612     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1613     NULL,                               // will be set when used
1614     NULL,                               NULL, NULL
1615   },
1616   {
1617     ED_COUNTER_ID_ELEMENT_VALUE2,
1618     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1619     MIN_SCORE,                          MAX_SCORE,
1620     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1621     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1622     NULL,                               // will be set when used
1623     NULL,                               NULL, NULL
1624   },
1625   {
1626     ED_COUNTER_ID_ELEMENT_VALUE3,
1627     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1628     MIN_SCORE,                          MAX_SCORE,
1629     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1630     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1631     NULL,                               // will be set when used
1632     NULL,                               NULL, NULL
1633   },
1634   {
1635     ED_COUNTER_ID_ELEMENT_VALUE4,
1636     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1637     MIN_SCORE,                          MAX_SCORE,
1638     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1639     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1640     NULL,                               // will be set when used
1641     NULL,                               NULL, NULL
1642   },
1643   {
1644     ED_COUNTER_ID_YAMYAM_CONTENT,
1645     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1646     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1647     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1648     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1649     &level.num_yamyam_contents,
1650     NULL,                               NULL, "number of content areas"
1651   },
1652   {
1653     ED_COUNTER_ID_BALL_CONTENT,
1654     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1655     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1656     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1657     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1658     &level.num_ball_contents,
1659     NULL,                               NULL, "number of content areas"
1660   },
1661   {
1662     ED_COUNTER_ID_ANDROID_CONTENT,
1663     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1664     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1665     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1666     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1667     &level.num_android_clone_elements,
1668     NULL,                               NULL, "number of clonable elements"
1669   },
1670   {
1671     ED_COUNTER_ID_ENVELOPE_XSIZE,
1672     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1673     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1674     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1675     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1676     NULL,                               // will be set when used
1677     NULL,                               NULL, "width",
1678   },
1679   {
1680     ED_COUNTER_ID_ENVELOPE_YSIZE,
1681     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1682     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1683     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1684     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1685     NULL,                               // will be set when used
1686     NULL,                               " ", "height",
1687   },
1688   {
1689     ED_COUNTER_ID_INVENTORY_SIZE,
1690     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1691     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1692     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1693     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1694     &level.initial_inventory_size[0],
1695     NULL,                               NULL, "number of inventory elements"
1696   },
1697   {
1698     ED_COUNTER_ID_MM_BALL_CONTENT,
1699     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1700     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1701     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1702     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1703     &level.num_mm_ball_contents,
1704     NULL,                               NULL, "number of content elements"
1705   },
1706
1707   // ---------- element settings: configure 1 (custom elements) ---------------
1708
1709   {
1710     ED_COUNTER_ID_CUSTOM_SCORE,
1711     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1712     MIN_SCORE,                          MAX_SCORE,
1713     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1714     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1715     &custom_element.collect_score_initial,
1716     NULL,                               "CE score", " "
1717   },
1718   {
1719     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1720     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1721     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1722     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1723     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1724     &custom_element.collect_count_initial,
1725     NULL,                               "CE count", NULL
1726   },
1727   {
1728     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1729     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1730     0,                                  9999,
1731     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1732     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1733     &custom_element.ce_value_fixed_initial,
1734     NULL,                               "CE value", NULL
1735   },
1736   {
1737     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1738     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1739     0,                                  9999,
1740     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1741     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1742     &custom_element.ce_value_random_initial,
1743     NULL,                               "+random", NULL
1744   },
1745   {
1746     ED_COUNTER_ID_PUSH_DELAY_FIX,
1747     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1748     0,                                  999,
1749     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1750     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1751     &custom_element.push_delay_fixed,
1752     NULL,                               "push delay", NULL
1753   },
1754   {
1755     ED_COUNTER_ID_PUSH_DELAY_RND,
1756     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1757     0,                                  999,
1758     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1759     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1760     &custom_element.push_delay_random,
1761     NULL,                               "+random", NULL
1762   },
1763   {
1764     ED_COUNTER_ID_DROP_DELAY_FIX,
1765     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1766     0,                                  999,
1767     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1768     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1769     &custom_element.drop_delay_fixed,
1770     NULL,                               "drop delay", NULL
1771   },
1772   {
1773     ED_COUNTER_ID_DROP_DELAY_RND,
1774     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1775     0,                                  999,
1776     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1777     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1778     &custom_element.drop_delay_random,
1779     NULL,                               "+random", NULL
1780   },
1781
1782   // ---------- element settings: configure 2 (custom elements) ---------------
1783
1784   {
1785     ED_COUNTER_ID_MOVE_DELAY_FIX,
1786     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1787     0,                                  999,
1788     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1789     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1790     &custom_element.move_delay_fixed,
1791     NULL,                               "move delay", NULL
1792   },
1793   {
1794     ED_COUNTER_ID_MOVE_DELAY_RND,
1795     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1796     0,                                  999,
1797     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1798     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1799     &custom_element.move_delay_random,
1800     NULL,                               "+random", NULL
1801   },
1802   {
1803     ED_COUNTER_ID_STEP_DELAY_FIX,
1804     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1805     0,                                  999,
1806     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1807     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1808     &custom_element.step_delay_fixed,
1809     NULL,                               "step delay", NULL
1810   },
1811   {
1812     ED_COUNTER_ID_STEP_DELAY_RND,
1813     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1814     0,                                  999,
1815     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1816     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1817     &custom_element.step_delay_random,
1818     NULL,                               "+random", NULL
1819   },
1820   {
1821     ED_COUNTER_ID_EXPLOSION_DELAY,
1822     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1823     0,                                  999,
1824     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1825     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1826     &custom_element.explosion_delay,
1827     NULL,                               "explosion delay", NULL
1828   },
1829   {
1830     ED_COUNTER_ID_IGNITION_DELAY,
1831     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1832     0,                                  999,
1833     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1834     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1835     &custom_element.ignition_delay,
1836     NULL,                               "ignition delay", "(by fire)"
1837   },
1838
1839   // ---------- element settings: configure (group elements) ------------------
1840
1841   {
1842     ED_COUNTER_ID_GROUP_CONTENT,
1843     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1844     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1845     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1846     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1847     &group_element_info.num_elements,
1848     NULL,                               NULL, "number of elements in group"
1849   },
1850
1851   // ---------- element settings: advanced (custom elements) ------------------
1852
1853   {
1854     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1855     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1856     0,                                  999,
1857     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1858     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1859     &custom_element_change.delay_fixed,
1860     NULL,                               "CE delay", NULL,
1861   },
1862   {
1863     ED_COUNTER_ID_CHANGE_DELAY_RND,
1864     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1865     0,                                  999,
1866     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1867     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1868     &custom_element_change.delay_random,
1869     NULL,                               "+random", NULL
1870   },
1871   {
1872     ED_COUNTER_ID_CHANGE_CONT_RND,
1873     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1874     0,                                  100,
1875     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1876     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1877     &custom_element_change.random_percentage,
1878     NULL,                               "use random replace:", "%"
1879   },
1880 };
1881
1882 static struct
1883 {
1884   int gadget_type_id;
1885   int x, y;
1886   int gadget_id;
1887   int size;
1888   char *value;
1889   char *text_above, *infotext;
1890 } textinput_info[ED_NUM_TEXTINPUT] =
1891 {
1892   {
1893     ED_TEXTINPUT_ID_LEVEL_NAME,
1894     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1895     GADGET_ID_LEVEL_NAME,
1896     MAX_LEVEL_NAME_LEN,
1897     level.name,
1898     "Title:", "Title for this level"
1899   },
1900   {
1901     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1902     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1903     GADGET_ID_LEVEL_AUTHOR,
1904     MAX_LEVEL_AUTHOR_LEN,
1905     level.author,
1906     "Author:", "Author for this level"
1907   },
1908   {
1909     ED_TEXTINPUT_ID_LEVELSET_NAME,
1910     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1911     GADGET_ID_LEVELSET_NAME,
1912     MAX_LEVEL_NAME_LEN,
1913     levelset_name,
1914     "Title:", "Title for this or new level set"
1915   },
1916   {
1917     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1918     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1919     GADGET_ID_LEVELSET_AUTHOR,
1920     MAX_LEVEL_AUTHOR_LEN,
1921     levelset_author,
1922     "Author:", "Author for this or new level set"
1923   },
1924   {
1925     ED_TEXTINPUT_ID_ELEMENT_NAME,
1926     -1, -1,     // these values are not constant, but can change at runtime
1927     GADGET_ID_ELEMENT_NAME,
1928     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1929     custom_element.description,
1930     NULL, "Element name"
1931   }
1932 };
1933
1934 static struct
1935 {
1936   int gadget_type_id;
1937   int x, y;
1938   int gadget_id;
1939   int xsize, ysize;
1940   char *value;
1941   char *text_above, *text_above_cropped, *infotext;
1942 } textarea_info[ED_NUM_TEXTAREAS] =
1943 {
1944   {
1945     ED_TEXTAREA_ID_ENVELOPE_INFO,
1946     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1947     GADGET_ID_ENVELOPE_INFO,
1948     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1949     NULL,
1950     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
1951   }
1952 };
1953
1954 static struct ValueTextInfo options_time_or_steps[] =
1955 {
1956   { 0,                          "seconds"                       },
1957   { 1,                          "steps"                         },
1958
1959   { -1,                         NULL                            }
1960 };
1961
1962 static struct ValueTextInfo options_time_score_base[] =
1963 {
1964   { 1,                          "per second/step"               },
1965   { 10,                         "per 10 seconds/steps"          },
1966
1967   { -1,                         NULL                            }
1968 };
1969
1970 static struct ValueTextInfo options_game_engine_type[] =
1971 {
1972   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1973   { GAME_ENGINE_TYPE_BD,        "Boulder Dash"                  },
1974   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1975   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1976   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1977
1978   { -1,                         NULL                            }
1979 };
1980
1981 static struct ValueTextInfo options_levelset_save_mode[] =
1982 {
1983   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1984   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1985
1986   { -1,                         NULL                            }
1987 };
1988
1989 static struct ValueTextInfo options_wind_direction[] =
1990 {
1991   { MV_START_NONE,              "none"                          },
1992   { MV_START_LEFT,              "left"                          },
1993   { MV_START_RIGHT,             "right"                         },
1994   { MV_START_UP,                "up"                            },
1995   { MV_START_DOWN,              "down"                          },
1996
1997   { -1,                         NULL                            }
1998 };
1999
2000 static struct ValueTextInfo options_player_speed[] =
2001 {
2002   { 0,                          "frozen"                        },
2003   { 1,                          "very slow"                     },
2004   { 2,                          "slow"                          },
2005   { 4,                          "normal"                        },
2006   { 8,                          "fast"                          },
2007   { 16,                         "very fast"                     },
2008   { 32,                         "ultrafast"                     },
2009
2010   { -1,                         NULL                            }
2011 };
2012
2013 static struct ValueTextInfo options_access_type[] =
2014 {
2015   { EP_WALKABLE,                "walkable"                      },
2016   { EP_PASSABLE,                "passable"                      },
2017
2018   { -1,                         NULL                            }
2019 };
2020
2021 static struct ValueTextInfo options_access_layer[] =
2022 {
2023   { EP_ACCESSIBLE_OVER,         "over"                          },
2024   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
2025   { EP_ACCESSIBLE_UNDER,        "under"                         },
2026
2027   { -1,                         NULL                            }
2028 };
2029
2030 static struct ValueTextInfo options_access_protected[] =
2031 {
2032   { 0,                          "unprotected"                   },
2033   { 1,                          "protected"                     },
2034
2035   { -1,                         NULL                            }
2036 };
2037
2038 static struct ValueTextInfo options_access_direction[] =
2039 {
2040   { MV_NO_DIRECTION,            "no direction"                  },
2041   { MV_LEFT,                    "left"                          },
2042   { MV_RIGHT,                   "right"                         },
2043   { MV_UP,                      "up"                            },
2044   { MV_DOWN,                    "down"                          },
2045   { MV_LEFT  | MV_UP,           "left + up"                     },
2046   { MV_LEFT  | MV_DOWN,         "left + down"                   },
2047   { MV_RIGHT | MV_UP,           "right + up"                    },
2048   { MV_RIGHT | MV_DOWN,         "right + down"                  },
2049   { MV_HORIZONTAL,              "horizontal"                    },
2050   { MV_VERTICAL,                "vertical"                      },
2051   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
2052   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
2053   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
2054   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
2055   { MV_ALL_DIRECTIONS,          "all directions"                },
2056
2057   { -1,                         NULL                            }
2058 };
2059
2060 static struct ValueTextInfo options_walk_to_action[] =
2061 {
2062   { EP_DIGGABLE,                "diggable"                      },
2063   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
2064   { EP_DROPPABLE,               "collectible & droppable"       },
2065   { EP_THROWABLE,               "collectible & throwable"       },
2066   { EP_PUSHABLE,                "pushable"                      },
2067
2068   { -1,                         NULL                            }
2069 };
2070
2071 static struct ValueTextInfo options_move_pattern[] =
2072 {
2073   { MV_LEFT,                    "left"                          },
2074   { MV_RIGHT,                   "right"                         },
2075   { MV_UP,                      "up"                            },
2076   { MV_DOWN,                    "down"                          },
2077   { MV_HORIZONTAL,              "horizontal"                    },
2078   { MV_VERTICAL,                "vertical"                      },
2079   { MV_ALL_DIRECTIONS,          "all directions"                },
2080   { MV_WIND_DIRECTION,          "wind direction"                },
2081   { MV_TOWARDS_PLAYER,          "towards player"                },
2082   { MV_AWAY_FROM_PLAYER,        "away from player"              },
2083   { MV_ALONG_LEFT_SIDE,         "along left side"               },
2084   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
2085   { MV_TURNING_LEFT,            "turning left"                  },
2086   { MV_TURNING_RIGHT,           "turning right"                 },
2087   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
2088   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
2089   { MV_TURNING_RANDOM,          "turning random"                },
2090   { MV_MAZE_RUNNER,             "maze runner style"             },
2091   { MV_MAZE_HUNTER,             "maze hunter style"             },
2092   { MV_WHEN_PUSHED,             "when pushed"                   },
2093   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
2094
2095   { -1,                         NULL                            }
2096 };
2097
2098 static struct ValueTextInfo options_move_direction[] =
2099 {
2100   { MV_START_AUTOMATIC,         "automatic"                     },
2101   { MV_START_LEFT,              "left"                          },
2102   { MV_START_RIGHT,             "right"                         },
2103   { MV_START_UP,                "up"                            },
2104   { MV_START_DOWN,              "down"                          },
2105   { MV_START_RANDOM,            "random"                        },
2106   { MV_START_PREVIOUS,          "previous"                      },
2107
2108   { -1,                         NULL                            }
2109 };
2110
2111 static struct ValueTextInfo options_move_stepsize[] =
2112 {
2113   { 0,                          "not moving"                    },
2114   { 1,                          "very slow"                     },
2115   { 2,                          "slow"                          },
2116   { 4,                          "normal"                        },
2117   { 8,                          "fast"                          },
2118   { 16,                         "very fast"                     },
2119   { 32,                         "even faster"                   },
2120
2121   { -1,                         NULL                            }
2122 };
2123
2124 static struct ValueTextInfo options_move_leave_type[] =
2125 {
2126   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
2127   { LEAVE_TYPE_LIMITED,         "change it to"                  },
2128
2129   { -1,                         NULL                            }
2130 };
2131
2132 static struct ValueTextInfo options_smash_targets[] =
2133 {
2134   { EP_CAN_SMASH_PLAYER,        "player"                        },
2135 #if 0
2136   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
2137 #endif
2138   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
2139
2140   { -1,                         NULL                            }
2141 };
2142
2143 static struct ValueTextInfo options_slippery_type[] =
2144 {
2145   { SLIPPERY_ANY_RANDOM,        "random"                        },
2146   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
2147   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
2148   { SLIPPERY_ONLY_LEFT,         "only left"                     },
2149   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
2150
2151   { -1,                         NULL                            }
2152 };
2153
2154 static struct ValueTextInfo options_deadliness[] =
2155 {
2156   { EP_DONT_RUN_INTO,           "running into"                  },
2157   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
2158   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
2159   { EP_DONT_TOUCH,              "touching"                      },
2160
2161   { -1,                         NULL                            }
2162 };
2163
2164 static struct ValueTextInfo options_explosion_type[] =
2165 {
2166   { EXPLODES_3X3,               "3x3"                           },
2167   { EXPLODES_CROSS,             "3+3"                           },
2168   { EXPLODES_1X1,               "1x1"                           },
2169
2170   { -1,                         NULL                            }
2171 };
2172
2173 static struct ValueTextInfo options_time_units[] =
2174 {
2175   { 1,                          "frames"                        },
2176   { FRAMES_PER_SECOND,          "seconds"                       },
2177
2178   { -1,                         NULL                            }
2179 };
2180
2181 static struct ValueTextInfo options_change_direct_action[] =
2182 {
2183   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2184   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2185   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2186   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2187   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2188   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2189   { CE_LEFT_BY_PLAYER,          "left by player"                },
2190   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2191   { CE_SWITCHED,                "switched"                      },
2192   { CE_HITTING_SOMETHING,       "hitting something"             },
2193   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2194 #if 0
2195   { CE_BLOCKED,                 "blocked"                       },
2196 #endif
2197   { CE_IMPACT,                  "impact (on something)"         },
2198   { CE_SMASHED,                 "smashed (from above)"          },
2199 #if 0
2200   { CE_VALUE_CHANGES,           "CE value changes"              },
2201   { CE_SCORE_CHANGES,           "CE score changes"              },
2202 #endif
2203   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2204   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2205   { CE_UNDEFINED,               " "                             },
2206   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2207   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2208   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2209   { CE_UNDEFINED,               " "                             },
2210   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2211   { CE_NEXT_TO_PLAYER,          "next to player"                },
2212
2213   { -1,                         NULL                            }
2214 };
2215
2216 static struct ValueTextInfo options_change_other_action[] =
2217 {
2218   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2219   { CE_PLAYER_PRESSES_X,        "player presses"                },
2220   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2221   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2222   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2223   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2224   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2225   { CE_PLAYER_DIGS_X,           "player digs"                   },
2226   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2227   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2228   { CE_TOUCHING_X,              "touching"                      },
2229   { CE_HITTING_X,               "hitting"                       },
2230   { CE_DIGGING_X,               "digging"                       },
2231   { CE_HIT_BY_X,                "hit by"                        },
2232   { CE_SWITCH_OF_X,             "switch of"                     },
2233   { CE_CHANGE_OF_X,             "change by page of"             },
2234   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2235   { CE_MOVE_OF_X,               "move of"                       },
2236   { CE_CREATION_OF_X,           "creation of"                   },
2237   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2238   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2239   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2240   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2241   { CE_UNDEFINED,               " "                             },
2242   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2243   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2244   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2245   { CE_UNDEFINED,               " "                             },
2246   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2247   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2248   { CE_NEXT_TO_X,               "next to"                       },
2249
2250   { -1,                         NULL                            }
2251 };
2252
2253 static struct ValueTextInfo options_change_trigger_side[] =
2254 {
2255   { CH_SIDE_LEFT,               "left"                          },
2256   { CH_SIDE_RIGHT,              "right"                         },
2257   { CH_SIDE_TOP,                "top"                           },
2258   { CH_SIDE_BOTTOM,             "bottom"                        },
2259   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2260   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2261   { CH_SIDE_ANY,                "any"                           },
2262
2263   { -1,                         NULL                            }
2264 };
2265
2266 static struct ValueTextInfo options_change_trigger_player[] =
2267 {
2268   { CH_PLAYER_1,                "1"                             },
2269   { CH_PLAYER_2,                "2"                             },
2270   { CH_PLAYER_3,                "3"                             },
2271   { CH_PLAYER_4,                "4"                             },
2272   { CH_PLAYER_ANY,              "any"                           },
2273
2274   { -1,                         NULL                            }
2275 };
2276
2277 static struct ValueTextInfo options_change_trigger_page[] =
2278 {
2279   { (1u << 0),                  "1"                             },
2280   { (1u << 1),                  "2"                             },
2281   { (1u << 2),                  "3"                             },
2282   { (1u << 3),                  "4"                             },
2283   { (1u << 4),                  "5"                             },
2284   { (1u << 5),                  "6"                             },
2285   { (1u << 6),                  "7"                             },
2286   { (1u << 7),                  "8"                             },
2287   { (1u << 8),                  "9"                             },
2288   { (1u << 9),                  "10"                            },
2289   { (1u << 10),                 "11"                            },
2290   { (1u << 11),                 "12"                            },
2291   { (1u << 12),                 "13"                            },
2292   { (1u << 13),                 "14"                            },
2293   { (1u << 14),                 "15"                            },
2294   { (1u << 15),                 "16"                            },
2295   { (1u << 16),                 "17"                            },
2296   { (1u << 17),                 "18"                            },
2297   { (1u << 18),                 "19"                            },
2298   { (1u << 19),                 "20"                            },
2299   { (1u << 20),                 "21"                            },
2300   { (1u << 21),                 "22"                            },
2301   { (1u << 22),                 "23"                            },
2302   { (1u << 23),                 "24"                            },
2303   { (1u << 24),                 "25"                            },
2304   { (1u << 25),                 "26"                            },
2305   { (1u << 26),                 "27"                            },
2306   { (1u << 27),                 "28"                            },
2307   { (1u << 28),                 "29"                            },
2308   { (1u << 29),                 "30"                            },
2309   { (1u << 30),                 "31"                            },
2310   { (1u << 31),                 "32"                            },
2311   { CH_PAGE_ANY,                "any"                           },
2312
2313   { -1,                         NULL                            }
2314 };
2315
2316 static struct ValueTextInfo options_change_replace_when[] =
2317 {
2318   { CP_WHEN_EMPTY,              "empty"                         },
2319   { CP_WHEN_WALKABLE,           "walkable"                      },
2320   { CP_WHEN_DIGGABLE,           "diggable"                      },
2321   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2322   { CP_WHEN_REMOVABLE,          "removable"                     },
2323   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2324
2325   { -1,                         NULL                            }
2326 };
2327
2328 static struct ValueTextInfo options_action_type[] =
2329 {
2330   { CA_NO_ACTION,               "no action"                     },
2331   { CA_UNDEFINED,               " "                             },
2332   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2333   { CA_RESTART_LEVEL,           "restart level"                 },
2334   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2335   { CA_SET_LEVEL_TIME,          "set time"                      },
2336   { CA_SET_LEVEL_SCORE,         "set score"                     },
2337   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2338   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2339   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2340   { CA_UNDEFINED,               " "                             },
2341   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2342   { CA_MOVE_PLAYER,             "move player"                   },
2343   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2344   { CA_EXIT_PLAYER,             "exit player"                   },
2345   { CA_KILL_PLAYER,             "kill player"                   },
2346   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2347   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2348   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2349   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2350   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2351   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2352   { CA_UNDEFINED,               " "                             },
2353   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2354   { CA_SET_CE_VALUE,            "set CE value"                  },
2355   { CA_SET_CE_SCORE,            "set CE score"                  },
2356   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2357   { CA_UNDEFINED,               " "                             },
2358   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2359   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2360
2361   { -1,                         NULL                            }
2362 };
2363
2364 static struct ValueTextInfo options_action_mode_none[] =
2365 {
2366   { CA_MODE_UNDEFINED,          " "                             },
2367
2368   { -1,                         NULL                            }
2369 };
2370
2371 static struct ValueTextInfo options_action_mode_assign[] =
2372 {
2373   { CA_MODE_SET,                "="                             },
2374
2375   { -1,                         NULL                            }
2376 };
2377
2378 static struct ValueTextInfo options_action_mode_add_remove[] =
2379 {
2380   { CA_MODE_ADD,                "+"                             },
2381   { CA_MODE_SUBTRACT,           "-"                             },
2382
2383   { -1,                         NULL                            }
2384 };
2385
2386 static struct ValueTextInfo options_action_mode_calculate[] =
2387 {
2388   { CA_MODE_SET,                "="                             },
2389   { CA_MODE_ADD,                "+"                             },
2390   { CA_MODE_SUBTRACT,           "-"                             },
2391   { CA_MODE_MULTIPLY,           "*"                             },
2392   { CA_MODE_DIVIDE,             "/"                             },
2393   { CA_MODE_MODULO,             "%"                             },
2394
2395   { -1,                         NULL                            }
2396 };
2397
2398 static struct ValueTextInfo options_action_arg_none[] =
2399 {
2400   { CA_ARG_UNDEFINED,           "         "                     },
2401
2402   { -1,                         NULL                            }
2403 };
2404
2405 static struct ValueTextInfo options_action_arg_player[] =
2406 {
2407   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2408   { CA_ARG_PLAYER_1,            "1"                             },
2409   { CA_ARG_PLAYER_2,            "2"                             },
2410   { CA_ARG_PLAYER_3,            "3"                             },
2411   { CA_ARG_PLAYER_4,            "4"                             },
2412   { CA_ARG_PLAYER_ANY,          "any"                           },
2413   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2414   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2415
2416   { -1,                         NULL                            }
2417 };
2418
2419 static struct ValueTextInfo options_action_arg_number[] =
2420 {
2421   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2422   { CA_ARG_0,                   "0"                             },
2423   { CA_ARG_1,                   "1"                             },
2424   { CA_ARG_2,                   "2"                             },
2425   { CA_ARG_3,                   "3"                             },
2426   { CA_ARG_4,                   "4"                             },
2427   { CA_ARG_5,                   "5"                             },
2428   { CA_ARG_10,                  "10"                            },
2429   { CA_ARG_100,                 "100"                           },
2430   { CA_ARG_1000,                "1000"                          },
2431   { CA_ARG_UNDEFINED,           " "                             },
2432   { CA_ARG_NUMBER_MIN,          "min"                           },
2433   { CA_ARG_NUMBER_MAX,          "max"                           },
2434   { CA_ARG_UNDEFINED,           " "                             },
2435   { CA_ARG_NUMBER_RESET,        "reset"                         },
2436   { CA_ARG_UNDEFINED,           " "                             },
2437   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2438   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2439   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2440   { CA_ARG_UNDEFINED,           " "                             },
2441   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2442   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2443   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2444   { CA_ARG_UNDEFINED,           " "                             },
2445   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2446   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2447   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2448   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2449   { CA_ARG_UNDEFINED,           " "                             },
2450   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2451   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2452   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2453   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2454
2455   { -1,                         NULL                            }
2456 };
2457
2458 static struct ValueTextInfo options_action_arg_value[] =
2459 {
2460   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2461   { CA_ARG_0,                   "0"                             },
2462   { CA_ARG_1,                   "1"                             },
2463   { CA_ARG_2,                   "2"                             },
2464   { CA_ARG_3,                   "3"                             },
2465   { CA_ARG_4,                   "4"                             },
2466   { CA_ARG_5,                   "5"                             },
2467   { CA_ARG_10,                  "10"                            },
2468   { CA_ARG_100,                 "100"                           },
2469   { CA_ARG_1000,                "1000"                          },
2470   { CA_ARG_UNDEFINED,           " "                             },
2471   { CA_ARG_NUMBER_MIN,          "min"                           },
2472   { CA_ARG_NUMBER_MAX,          "max"                           },
2473   { CA_ARG_UNDEFINED,           " "                             },
2474   { CA_ARG_NUMBER_RESET,        "reset"                         },
2475   { CA_ARG_UNDEFINED,           " "                             },
2476   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2477   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2478   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2479   { CA_ARG_UNDEFINED,           " "                             },
2480   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2481   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2482   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2483   { CA_ARG_UNDEFINED,           " "                             },
2484   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2485   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2486   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2487   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2488   { CA_ARG_UNDEFINED,           " "                             },
2489   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2490   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2491   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2492   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2493   { CA_ARG_UNDEFINED,           " "                             },
2494   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2495   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2496   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2497   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2498
2499   { -1,                         NULL                            }
2500 };
2501
2502 static struct ValueTextInfo options_action_arg_envelope[] =
2503 {
2504   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2505   { CA_ARG_1,                   "1"                             },
2506   { CA_ARG_2,                   "2"                             },
2507   { CA_ARG_3,                   "3"                             },
2508   { CA_ARG_4,                   "4"                             },
2509   { CA_ARG_UNDEFINED,           " "                             },
2510   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2511   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2512   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2513   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2514
2515   { -1,                         NULL                            }
2516 };
2517
2518 static struct ValueTextInfo options_action_arg_key[] =
2519 {
2520   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2521   { CA_ARG_1,                   "1"                             },
2522   { CA_ARG_2,                   "2"                             },
2523   { CA_ARG_3,                   "3"                             },
2524   { CA_ARG_4,                   "4"                             },
2525   { CA_ARG_5,                   "5"                             },
2526   { CA_ARG_6,                   "6"                             },
2527   { CA_ARG_7,                   "7"                             },
2528   { CA_ARG_8,                   "8"                             },
2529   { CA_ARG_UNDEFINED,           " "                             },
2530   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2531   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2532   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2533   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2534
2535   { -1,                         NULL                            }
2536 };
2537
2538 static struct ValueTextInfo options_action_arg_speed[] =
2539 {
2540   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2541   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2542   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2543   { CA_ARG_SPEED_SLOW,          "slow"                          },
2544   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2545   { CA_ARG_SPEED_FAST,          "fast"                          },
2546   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2547   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2548   { CA_ARG_UNDEFINED,           " "                             },
2549   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2550   { CA_ARG_SPEED_FASTER,        "faster"                        },
2551   { CA_ARG_UNDEFINED,           " "                             },
2552   { CA_ARG_SPEED_RESET,         "reset"                         },
2553
2554   { -1,                         NULL                            }
2555 };
2556
2557 static struct ValueTextInfo options_action_arg_shield[] =
2558 {
2559   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2560   { CA_ARG_SHIELD_OFF,          "off"                           },
2561   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2562   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2563
2564   { -1,                         NULL                            }
2565 };
2566
2567 static struct ValueTextInfo options_action_arg_artwork[] =
2568 {
2569   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2570   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2571   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2572   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2573   { CA_ARG_UNDEFINED,           " "                             },
2574   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2575
2576   { -1,                         NULL                            }
2577 };
2578
2579 static struct ValueTextInfo options_action_arg_gravity[] =
2580 {
2581   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2582   { CA_ARG_GRAVITY_ON,          "on"                            },
2583   { CA_ARG_GRAVITY_OFF,         "off"                           },
2584   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2585
2586   { -1,                         NULL                            }
2587 };
2588
2589 static struct ValueTextInfo options_action_arg_direction[] =
2590 {
2591   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2592   { CA_ARG_DIRECTION_NONE,      "none"                          },
2593   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2594   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2595   { CA_ARG_DIRECTION_UP,        "up"                            },
2596   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2597   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2598   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2599
2600   { -1,                         NULL                            }
2601 };
2602
2603 static struct ValueTextInfo options_action_arg_scan_mode[] =
2604 {
2605   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2606   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2607   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2608
2609   { -1,                         NULL                            }
2610 };
2611
2612 static struct ValueTextInfo options_action_arg_inventory[] =
2613 {
2614   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2615   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2616   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2617   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2618   { CA_ARG_UNDEFINED,           " "                             },
2619   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2620   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2621   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2622   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2623   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2624   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2625   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2626   { CA_ARG_UNDEFINED,           " "                             },
2627   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2628
2629   { -1,                         NULL                            }
2630 };
2631
2632 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2633 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2634 {
2635   { -1,                         NULL                            }
2636 };
2637
2638 static struct ValueTextInfo options_group_choice_mode[] =
2639 {
2640   { ANIM_RANDOM,                "random"                        },
2641   { ANIM_LOOP,                  "loop"                          },
2642   { ANIM_LINEAR,                "linear"                        },
2643   { ANIM_PINGPONG,              "pingpong"                      },
2644   { ANIM_PINGPONG2,             "pingpong 2"                    },
2645   { ANIM_LEVEL_NR,              "level number"                  },
2646
2647   { -1,                         NULL                            }
2648 };
2649
2650 static struct ValueTextInfo options_bd_scheduling_type[] =
2651 {
2652   { GD_SCHEDULING_MILLISECONDS,   "Milliseconds"                },
2653   { GD_SCHEDULING_BD1,            "BD1"                         },
2654   { GD_SCHEDULING_BD2,            "BD2"                         },
2655   { GD_SCHEDULING_PLCK,           "Construction Kit"            },
2656   { GD_SCHEDULING_CRDR,           "Crazy Dream 7"               },
2657   { GD_SCHEDULING_BD1_ATARI,      "Atari BD1"                   },
2658   { GD_SCHEDULING_BD2_PLCK_ATARI, "Atari BD2 / PLCK"            },
2659
2660   { -1,                           NULL                          }
2661 };
2662
2663 static struct ValueTextInfo *action_arg_modes[] =
2664 {
2665   options_action_mode_none,
2666   options_action_mode_assign,
2667   options_action_mode_add_remove,
2668   options_action_mode_calculate,
2669 };
2670
2671 static struct
2672 {
2673   int value;
2674   int mode;
2675   struct ValueTextInfo *options;
2676 }
2677 action_arg_options[] =
2678 {
2679   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2680   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2681   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2682   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2683   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2684   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2685   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2686   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2687   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2688   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2689   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2690   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2691   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2692   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2693   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2694   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2695   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2696   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2697   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2698   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2699   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2700   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2701
2702   { -1,                         FALSE,  NULL                            }
2703 };
2704
2705 static struct
2706 {
2707   int gadget_type_id;
2708   int x, y;
2709   int gadget_id;
2710   int gadget_id_align;
2711   int size;     // char size of selectbox or '-1' (dynamically determined)
2712   struct ValueTextInfo *options;
2713   int *value;
2714   char *text_above, *text_left, *text_right, *infotext;
2715 } selectbox_info[ED_NUM_SELECTBOX] =
2716 {
2717   // ---------- level and editor settings -------------------------------------
2718
2719   {
2720     ED_SELECTBOX_ID_TIME_OR_STEPS,
2721     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2722     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2723     -1,
2724     options_time_or_steps,
2725     &level.use_step_counter,
2726     NULL, NULL, "(0 => no limit)",      "time or step limit"
2727   },
2728   {
2729     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2730     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2731     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2732     -1,
2733     options_time_score_base,
2734     &level.time_score_base,
2735     NULL, NULL, NULL,                   "time score for 1 or 10 seconds/steps"
2736   },
2737   {
2738     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2739     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2740     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2741     -1,
2742     options_game_engine_type,
2743     &level.game_engine_type,
2744     NULL, "game engine:", NULL,         "game engine"
2745   },
2746   {
2747     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2748     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2749     GADGET_ID_BD_SCHEDULING_TYPE,       GADGET_ID_NONE,
2750     -1,
2751     options_bd_scheduling_type,
2752     &level.bd_scheduling_type,
2753     NULL, "scheduling type:", NULL,     "level timing"
2754   },
2755   {
2756     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2757     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2758     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2759     -1,
2760     options_levelset_save_mode,
2761     &levelset_save_mode,
2762     "Action:", NULL, NULL,              "action when saving level set"
2763   },
2764
2765   // ---------- element settings: configure (several elements) ----------------
2766
2767   {
2768     ED_SELECTBOX_ID_WIND_DIRECTION,
2769     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2770     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2771     -1,
2772     options_wind_direction,
2773     &level.wind_direction_initial,
2774     NULL, "initial wind direction:", NULL,      "initial wind direction"
2775   },
2776   {
2777     ED_SELECTBOX_ID_PLAYER_SPEED,
2778     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2779     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2780     -1,
2781     options_player_speed,
2782     &level.initial_player_stepsize[0],
2783     NULL, "initial player speed:", NULL,        "initial player speed"
2784   },
2785   {
2786     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2787     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2788     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2789     -1,
2790     options_group_choice_mode,
2791     &level.mm_ball_choice_mode,
2792     NULL, "choice type:", NULL,         "type of content choice"
2793   },
2794
2795   // ---------- element settings: configure 1 (custom elements) ---------------
2796
2797   {
2798     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2799     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2800     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2801     -1,
2802     options_access_type,
2803     &custom_element.access_type,
2804     NULL, NULL, NULL,                   "type of access to this field"
2805   },
2806   {
2807     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2808     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2809     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2810     -1,
2811     options_access_layer,
2812     &custom_element.access_layer,
2813     NULL, NULL, NULL,                   "layer of access for this field"
2814   },
2815   {
2816     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2817     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2818     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2819     -1,
2820     options_access_protected,
2821     &custom_element.access_protected,
2822     NULL, NULL, NULL,                   "protected access for this field"
2823   },
2824   {
2825     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2826     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2827     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2828     -1,
2829     options_access_direction,
2830     &custom_element.access_direction,
2831     NULL, "from", NULL,                 "access direction for this field"
2832   },
2833   {
2834     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2835     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2836     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2837     -1,
2838     options_walk_to_action,
2839     &custom_element.walk_to_action,
2840     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2841   },
2842
2843   // ---------- element settings: configure 2 (custom elements) ---------------
2844
2845   {
2846     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2847     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2848     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2849     -1,
2850     options_move_pattern,
2851     &custom_element.move_pattern,
2852     NULL, "can move", NULL,             "element move pattern"
2853   },
2854   {
2855     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2856     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2857     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2858     -1,
2859     options_move_direction,
2860     &custom_element.move_direction_initial,
2861     NULL, "starts moving", NULL,        "initial element move direction"
2862   },
2863   {
2864     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2865     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2866     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2867     -1,
2868     options_move_stepsize,
2869     &custom_element.move_stepsize,
2870     NULL, "move/fall speed", NULL,      "speed of element movement"
2871   },
2872   {
2873     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2874     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2875     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2876     -1,
2877     options_move_leave_type,
2878     &custom_element.move_leave_type,
2879     // left text with leading spaces to place gadget next to "can dig" gadget
2880     // (needed because drawing area gadgets created after selectbox gadgets)
2881     // NULL, "can dig:    can", ":",    "leave behind or change element"
2882     NULL, "            can", ":",       "leave behind or change element"
2883   },
2884   {
2885     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2886     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2887     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2888     -1,
2889     options_smash_targets,
2890     &custom_element.smash_targets,
2891     NULL, "can smash", NULL,            "elements that can be smashed"
2892   },
2893   {
2894     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2895     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2896     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2897     -1,
2898     options_slippery_type,
2899     &custom_element.slippery_type,
2900     NULL, "slippery", NULL,             "where other elements fall down"
2901   },
2902   {
2903     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2904     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2905     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2906     -1,
2907     options_deadliness,
2908     &custom_element.deadliness,
2909     NULL, "deadly when", NULL,          "deadliness of element"
2910   },
2911   {
2912     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
2913     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2914     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2915     -1,
2916     options_explosion_type,
2917     &custom_element.explosion_type,
2918     NULL, "can explode", NULL,          "explosion type"
2919   },
2920
2921   // ---------- element settings: advanced (custom elements) ------------------
2922
2923   {
2924     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
2925     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2926     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2927     -1,
2928     options_time_units,
2929     &custom_element_change.delay_frames,
2930     NULL, "delay time given in", NULL,  "delay time units for change"
2931   },
2932   {
2933     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
2934     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2935     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2936     -1,
2937     options_change_direct_action,
2938     &custom_element_change.direct_action,
2939     NULL, NULL, NULL,                   "type of direct action"
2940   },
2941   {
2942     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
2943     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2944     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2945     -1,
2946     options_change_other_action,
2947     &custom_element_change.other_action,
2948     NULL, NULL, "element:",             "type of other element action"
2949   },
2950   {
2951     ED_SELECTBOX_ID_CHANGE_SIDE,
2952     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2953     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2954     -1,
2955     options_change_trigger_side,
2956     &custom_element_change.trigger_side,
2957     NULL, "at", "side",                 "element side triggering change"
2958   },
2959   {
2960     ED_SELECTBOX_ID_CHANGE_PLAYER,
2961     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2962     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2963     -1,
2964     options_change_trigger_player,
2965     &custom_element_change.trigger_player,
2966     NULL, "player:", " ",               "player that causes change"
2967   },
2968   {
2969     ED_SELECTBOX_ID_CHANGE_PAGE,
2970     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2971     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2972     -1,
2973     options_change_trigger_page,
2974     &custom_element_change.trigger_page,
2975     NULL, "page:", NULL,                "change page that causes change"
2976   },
2977   {
2978     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
2979     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2980     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2981     -1,
2982     options_change_replace_when,
2983     &custom_element_change.replace_when,
2984     NULL, "replace when", NULL,         "which elements can be replaced"
2985   },
2986   {
2987     ED_SELECTBOX_ID_ACTION_TYPE,
2988     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2989     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2990     15,
2991     options_action_type,
2992     &custom_element_change.action_type,
2993     NULL, NULL, NULL,                   "action on specified condition"
2994   },
2995   {
2996     ED_SELECTBOX_ID_ACTION_MODE,
2997     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2998     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2999     -1,
3000     options_action_mode_none,
3001     &custom_element_change.action_mode,
3002     NULL, NULL, NULL,                   "action operator"
3003   },
3004   {
3005     ED_SELECTBOX_ID_ACTION_ARG,
3006     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3007     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
3008     -1,
3009     options_action_arg_none,
3010     &custom_element_change.action_arg,
3011     NULL, NULL, NULL,                   "action parameter"
3012   },
3013   {
3014     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3015     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
3016     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
3017     3,
3018     options_change_page,
3019     &custom_element.current_change_page,
3020     NULL, NULL, NULL,                   "element change page"
3021   },
3022
3023   // ---------- element settings: configure (group elements) ------------------
3024
3025   {
3026     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3027     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3028     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
3029     -1,
3030     options_group_choice_mode,
3031     &group_element_info.choice_mode,
3032     NULL, "choice type:", NULL,         "type of group element choice"
3033   },
3034 };
3035
3036 static struct
3037 {
3038   int gadget_type_id;
3039   int x, y;
3040   int gadget_id;
3041   int gadget_id_align;
3042   int size;
3043   char *text;
3044   char *text_above, *text_left, *text_right, *infotext;
3045 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3046 {
3047   // ---------- level and editor settings (tabs) ------------------------------
3048
3049   {
3050     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3051     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
3052     GADGET_ID_LEVELCONFIG_LEVEL,        GADGET_ID_NONE,
3053     8,                                  "Level",
3054     NULL, NULL, NULL,                   "Configure level settings"
3055   },
3056   {
3057     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3058     -1,                                 -1,
3059     GADGET_ID_LEVELCONFIG_LEVELSET,     GADGET_ID_LEVELCONFIG_LEVEL,
3060     8,                                  "Levelset",
3061     NULL, NULL, NULL,                   "Update this or create new level set"
3062   },
3063   {
3064     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3065     -1,                                 -1,
3066     GADGET_ID_LEVELCONFIG_EDITOR,       GADGET_ID_LEVELCONFIG_LEVELSET,
3067     8,                                  "Editor",
3068     NULL, NULL, NULL,                   "Configure editor settings"
3069   },
3070   {
3071     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3072     -1,                                 -1,
3073     GADGET_ID_LEVELCONFIG_ENGINE,       GADGET_ID_LEVELCONFIG_EDITOR,
3074     8,                                  "Engine",
3075     NULL, NULL, NULL,                   "Configure engine settings"
3076   },
3077
3078   // ---------- element settings (tabs) ---------------------------------------
3079
3080   {
3081     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3082     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
3083     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
3084     8,                                  "Info",
3085     NULL, NULL, NULL,                   "Show information about element"
3086   },
3087   {
3088     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3089     -1,                                 -1,
3090     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
3091     8,                                  "Config",
3092     NULL, NULL, NULL,                   "Configure element properties"
3093   },
3094   {
3095     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3096     -1,                                 -1,
3097     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
3098     8,                                  "Config 1",
3099     NULL, NULL, NULL,                   "Configure element properties, part 1"
3100   },
3101   {
3102     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3103     -1,                                 -1,
3104     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
3105     8,                                  "Config 2",
3106     NULL, NULL, NULL,                   "Configure element properties, part 2"
3107   },
3108   {
3109     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3110     -1,                                 -1,
3111     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
3112     8,                                  "Change",
3113     NULL, NULL, NULL,                   "Configure custom element change pages"
3114   },
3115
3116   // ---------- level and editor settings (buttons) ---------------------------
3117
3118   {
3119     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3120     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
3121     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
3122     -1,                                 "Save",
3123     NULL, NULL, NULL,                   "Update or create level set"
3124   },
3125   {
3126     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3127     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3128     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
3129     -1,                                 "Save",
3130     NULL, NULL,                         "this level as level template",
3131     "Save current settings as new template"
3132   },
3133
3134   // ---------- element settings (buttons) ------------------------------------
3135
3136   {
3137     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3138     -1,                                 -1,
3139     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3140     -1,                                 "Save",
3141     NULL, " ",                          "As Template",
3142     "Save current settings as new template"
3143   },
3144   {
3145     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3146     -1,                                 -1,
3147     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
3148     -1,                                 "New",
3149     NULL, NULL, NULL,                   "Add new change page"
3150   },
3151   {
3152     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3153     -1,                                 -1,
3154     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
3155     -1,                                 "Delete",
3156     NULL, NULL, NULL,                   "Delete current change page"
3157   },
3158 };
3159
3160 static struct
3161 {
3162   int gadget_type_id;
3163   int graphic;
3164   int x, y;
3165   int gadget_id;
3166   int gadget_id_align;
3167   char *text_left, *text_right, *infotext;
3168 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3169 {
3170   {
3171     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3172     IMG_EDITOR_COUNTER_DOWN,
3173     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3174     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
3175     NULL, NULL,                         "select previous change page"
3176   },
3177   {
3178     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3179     IMG_EDITOR_COUNTER_UP,
3180     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3181     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
3182     NULL, "change page",                "select next change page"
3183   },
3184   {
3185     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3186     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3187     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3188     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
3189     " ", NULL,                          "copy settings from this change page"
3190   },
3191   {
3192     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3193     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3194     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3195     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
3196     NULL, NULL,                         "paste settings to this change page"
3197   },
3198 };
3199
3200 static struct
3201 {
3202   int x, y;
3203 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3204
3205 static struct
3206 {
3207   int gadget_type_id;
3208   int graphic;
3209   int gadget_id;
3210   char *infotext;
3211 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3212 {
3213   {
3214     ED_SCROLLBUTTON_ID_AREA_UP,
3215     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3216     GADGET_ID_SCROLL_UP,
3217     "scroll level editing area up"
3218   },
3219   {
3220     ED_SCROLLBUTTON_ID_AREA_DOWN,
3221     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3222     GADGET_ID_SCROLL_DOWN,
3223     "scroll level editing area down"
3224   },
3225   {
3226     ED_SCROLLBUTTON_ID_AREA_LEFT,
3227     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3228     GADGET_ID_SCROLL_LEFT,
3229     "scroll level editing area left"
3230   },
3231   {
3232     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3233     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3234     GADGET_ID_SCROLL_RIGHT,
3235     "scroll level editing area right"
3236   },
3237   {
3238     ED_SCROLLBUTTON_ID_LIST_UP,
3239     IMG_EDITOR_PALETTE_SCROLL_UP,
3240     GADGET_ID_SCROLL_LIST_UP,
3241     "scroll element list up ('Page Up')"
3242   },
3243   {
3244     ED_SCROLLBUTTON_ID_LIST_DOWN,
3245     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3246     GADGET_ID_SCROLL_LIST_DOWN,
3247     "scroll element list down ('Page Down')"
3248   },
3249 };
3250
3251 static struct
3252 {
3253   int x, y;
3254   int width, height;
3255   int wheel_x, wheel_y;
3256   int wheel_width, wheel_height;
3257 } scrollbar_pos[ED_NUM_SCROLLBARS];
3258
3259 static struct
3260 {
3261   int gadget_type_id;
3262   int graphic;
3263   int type;
3264   int gadget_id;
3265   char *infotext;
3266 } scrollbar_info[ED_NUM_SCROLLBARS] =
3267 {
3268   {
3269     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3270     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3271     GD_TYPE_SCROLLBAR_HORIZONTAL,
3272     GADGET_ID_SCROLL_HORIZONTAL,
3273     "scroll level editing area horizontally"
3274   },
3275   {
3276     ED_SCROLLBAR_ID_AREA_VERTICAL,
3277     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3278     GD_TYPE_SCROLLBAR_VERTICAL,
3279     GADGET_ID_SCROLL_VERTICAL,
3280     "scroll level editing area vertically"
3281   },
3282   {
3283     ED_SCROLLBAR_ID_LIST_VERTICAL,
3284     IMG_EDITOR_PALETTE_SCROLLBAR,
3285     GD_TYPE_SCROLLBAR_VERTICAL,
3286     GADGET_ID_SCROLL_LIST_VERTICAL,
3287     "scroll element list vertically"
3288   }
3289 };
3290
3291
3292 static struct
3293 {
3294   int gadget_type_id;
3295   int x, y;
3296   int gadget_id;
3297   int gadget_id_align;
3298   int radio_button_nr;
3299   int *value;
3300   int checked_value;
3301   char *text_left, *text_right, *infotext;
3302 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3303 {
3304   {
3305     ED_RADIOBUTTON_ID_PERCENTAGE,
3306     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3307     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3308     RADIO_NR_RANDOM_ELEMENTS,
3309     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3310     " ", "percentage",                  "use percentage for random elements"
3311   },
3312   {
3313     ED_RADIOBUTTON_ID_QUANTITY,
3314     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3315     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3316     RADIO_NR_RANDOM_ELEMENTS,
3317     &random_placement_method,           RANDOM_USE_QUANTITY,
3318     " ", "quantity",                    "use quantity for random elements"
3319   }
3320 };
3321
3322 static struct
3323 {
3324   int gadget_type_id;
3325   int x, y;
3326   int gadget_id;
3327   int gadget_id_align;
3328   boolean *value;
3329   char *text_above, *text_left, *text_right, *infotext;
3330 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3331 {
3332   // ---------- level and editor settings -------------------------------------
3333
3334   {
3335     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3336     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3337     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3338     &level.auto_count_gems,
3339     NULL, NULL,
3340     "automatically count gems needed",  "set counter to number of gems"
3341   },
3342   {
3343     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3344     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3345     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3346     &level.rate_time_over_score,
3347     NULL, NULL,
3348     "rate time/steps used over score",  "sort high scores by playing time/steps"
3349   },
3350   {
3351     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3352     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3353     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3354     &levelset_use_levelset_artwork,
3355     NULL, NULL,
3356     "use current custom artwork",       "use custom artwork of this level set"
3357   },
3358   {
3359     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3360     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3361     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3362     &levelset_copy_level_template,
3363     NULL, NULL,
3364     "copy current level template",      "copy level template of this level set"
3365   },
3366   {
3367     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3368     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3369     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3370     &random_placement_background_restricted,
3371     NULL, NULL,
3372     "restrict random placement to:",    "set random placement restriction"
3373   },
3374   {
3375     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3376     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3377     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3378     &setup.editor.use_template_for_new_levels,
3379     "Template for new levels and CE/GE:", NULL,
3380     "use template for new levels",      "use template for level properties"
3381   },
3382   {
3383     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3384     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3385     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3386     &level.use_custom_template,
3387     NULL, NULL,
3388     "use template for custom elements", "use template for custom properties"
3389   },
3390   {
3391     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3392     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
3393     GADGET_ID_BD_INTERMISSION,          GADGET_ID_NONE,
3394     &level.bd_intermission,
3395     "Boulder Dash game engine settings:", NULL,
3396     "intermission",                     "level is an intermission level"
3397   },
3398   {
3399     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3400     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
3401     GADGET_ID_BD_PAL_TIMING,            GADGET_ID_NONE,
3402     &level.bd_pal_timing,
3403     NULL, NULL,
3404     "PAL timing",                       "use slower timer (like PAL C64)"
3405   },
3406   {
3407     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3408     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3409     GADGET_ID_BD_LINE_SHIFTING_BORDERS, GADGET_ID_NONE,
3410     &level.bd_line_shifting_borders,
3411     "Compatibility settings:", NULL,
3412     "line-shifting borders",            "use line-shifting wrap-around"
3413   },
3414   {
3415     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3416     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3417     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW, GADGET_ID_NONE,
3418     &level.bd_scan_first_and_last_row,
3419     NULL, NULL,
3420     "scan first and last row",          "also process top/bottom border rows"
3421   },
3422   {
3423     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3424     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3425     GADGET_ID_BD_SHORT_EXPLOSIONS,      GADGET_ID_NONE,
3426     &level.bd_short_explosions,
3427     NULL, NULL,
3428     "short explosions",                 "use four game cycles for explosions"
3429   },
3430   {
3431     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
3432     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
3433     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,   GADGET_ID_NONE,
3434     &level.bd_gravity_affects_all,
3435     NULL, NULL,
3436     "gravity change affects everything", "gravity affects all falling objects"
3437   },
3438
3439   // ---------- element settings: configure (various elements) ----------------
3440
3441   {
3442     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3443     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3444     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3445     &stick_element_properties_window,
3446     NULL, NULL,
3447     "stick this screen to edit content","stick this screen to edit content"
3448   },
3449   {
3450     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3451     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3452     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3453     &level.em_slippery_gems,
3454     NULL, NULL,
3455     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3456   },
3457   {
3458     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3459     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3460     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3461     &level.em_explodes_by_fire,
3462     NULL, NULL,
3463     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3464   },
3465   {
3466     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3467     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3468     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3469     &level.use_spring_bug,
3470     NULL, NULL,
3471     "use spring pushing bug",           "use odd spring pushing behaviour"
3472   },
3473   {
3474     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3475     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3476     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3477     &level.use_time_orb_bug,
3478     NULL, NULL,
3479     "use time orb bug",                 "use odd time orb behaviour"
3480   },
3481   {
3482     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3483     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3484     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3485     &level.use_life_bugs,
3486     NULL, NULL,
3487     "use buggy element behaviour",      "use odd (historic) element behaviour"
3488   },
3489   {
3490     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3491     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3492     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3493     &level.ball_random,
3494     NULL, NULL,
3495     "create single random element",     "only create one element from content"
3496   },
3497   {
3498     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3499     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3500     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3501     &level.ball_active_initial,
3502     NULL, NULL,
3503     "magic ball initially activated",   "activate magic ball after level start"
3504   },
3505   {
3506     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3507     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3508     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3509     &level.grow_into_diggable,
3510     NULL, NULL,
3511     "can grow into anything diggable",  "grow into more than just sand"
3512   },
3513   {
3514     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3515     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3516     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3517     &level.sb_fields_needed,
3518     NULL, NULL,
3519     "all fields need to be filled",     "require all SB fields to be solved"
3520   },
3521   {
3522     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3523     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3524     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3525     &level.sb_objects_needed,
3526     NULL, NULL,
3527     "all objects need to be placed",    "require all SB objects to be solved"
3528   },
3529   {
3530     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3531     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3532     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3533     &level.auto_exit_sokoban,
3534     NULL, NULL,
3535     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3536   },
3537   {
3538     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3539     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3540     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3541     &level.solved_by_one_player,
3542     NULL, NULL,
3543     "only one player must enter exit",  "level solved by first player in exit"
3544   },
3545   {
3546     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3547     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3548     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3549     &level.finish_dig_collect,
3550     NULL, NULL,
3551     "CE action on finished dig/collect", "only finished dig/collect triggers CE"
3552   },
3553   {
3554     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3555     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3556     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3557     &level.keep_walkable_ce,
3558     NULL, NULL,
3559     "keep walkable CE changed to player", "keep CE changing to player if walkable"
3560   },
3561   {
3562     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3563     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3564     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3565     &level.continuous_snapping,
3566     NULL, NULL,
3567     "continuous snapping",              "use snapping without releasing key"
3568   },
3569   {
3570     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3571     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3572     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3573     &level.block_snap_field,
3574     NULL, NULL,
3575     "block snapped field when snapping", "use snapping delay to show animation"
3576   },
3577   {
3578     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3579     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3580     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3581     &level.block_last_field,
3582     NULL, NULL,
3583     "block last field when moving",     "player blocks last field when moving"
3584   },
3585   {
3586     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3587     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3588     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3589     &level.sp_block_last_field,
3590     NULL, NULL,
3591     "block last field when moving",     "player blocks last field when moving"
3592   },
3593   {
3594     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3595     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3596     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3597     &level.instant_relocation,
3598     NULL, NULL,
3599     "no scrolling when relocating",     "player gets relocated without delay"
3600   },
3601   {
3602     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3603     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3604     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3605     &level.shifted_relocation,
3606     NULL, NULL,
3607     "no centering when relocating",     "level not centered after relocation"
3608   },
3609   {
3610     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3611     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3612     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3613     &level.lazy_relocation,
3614     NULL, NULL,
3615     "only redraw off-screen relocation","no redraw if relocation target visible"
3616   },
3617   {
3618     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3619     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3620     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3621     &level.use_start_element[0],
3622     NULL, NULL,
3623     "use level start element:",        "start level at this element's position"
3624   },
3625   {
3626     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3627     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3628     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3629     &level.use_artwork_element[0],
3630     NULL, NULL,
3631     "use artwork from element:",        "use player artwork from other element"
3632   },
3633   {
3634     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3635     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3636     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3637     &level.use_explosion_element[0],
3638     NULL, NULL,
3639     "use explosion from element:",      "use explosion properties from element"
3640   },
3641   {
3642     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3643     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3644     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3645     &level.initial_player_gravity[0],
3646     NULL, NULL,
3647     "use initial gravity",              "set initial player gravity"
3648   },
3649   {
3650     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3651     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3652     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3653     &level.use_initial_inventory[0],
3654     NULL, NULL,
3655     "use initial inventory:",           "use collected elements on level start"
3656   },
3657   {
3658     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3659     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3660     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3661     &level.can_pass_to_walkable,
3662     NULL, NULL,
3663     "can pass to walkable element",     "player can pass to empty or walkable"
3664   },
3665   {
3666     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3667     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3668     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3669     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3670     NULL, NULL,
3671     "can fall into acid (with gravity)","player can fall into acid pool"
3672   },
3673   {
3674     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3675     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3676     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3677     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3678     NULL, NULL,
3679     "can move into acid",               "element can move into acid pool"
3680   },
3681   {
3682     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3683     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3684     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3685     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3686     NULL, NULL,
3687     "deadly when colliding with",       "element is deadly when hitting player"
3688   },
3689   {
3690     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3691     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3692     GADGET_ID_BD_DIAGONAL_MOVEMENTS,    GADGET_ID_NONE,
3693     &level.bd_diagonal_movements,
3694     NULL, NULL,
3695     "can move diagonally",              "player can move diagonally"
3696   },
3697   {
3698     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
3699     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3700     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE, GADGET_ID_NONE,
3701     &level.bd_topmost_player_active,
3702     NULL, NULL,
3703     "topmost player is active",         "use first player found on playfield"
3704   },
3705   {
3706     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
3707     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3708     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET, GADGET_ID_NONE,
3709     &level.bd_push_mega_rock_with_sweet,
3710     NULL, NULL,
3711     "mega rocks pushable with sweet",   "push mega rocks after eating sweet"
3712   },
3713   {
3714     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
3715     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3716     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING, GADGET_ID_NONE,
3717     &level.bd_magic_wall_wait_hatching,
3718     NULL, NULL,
3719     "wait for player's birth",          "timer start waits for player's birth"
3720   },
3721   {
3722     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
3723     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3724     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA, GADGET_ID_NONE,
3725     &level.bd_magic_wall_stops_amoeba,
3726     NULL, NULL,
3727     "turn amoeba to diamonds",          "activation changes amoeba to diamonds"
3728   },
3729   {
3730     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
3731     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3732     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING, GADGET_ID_NONE,
3733     &level.bd_amoeba_wait_for_hatching,
3734     NULL, NULL,
3735     "wait for player's birth",          "timer start waits for player's birth"
3736   },
3737   {
3738     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
3739     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3740     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY, GADGET_ID_NONE,
3741     &level.bd_amoeba_start_immediately,
3742     NULL, NULL,
3743     "start growing immediately",        "start slow growth time immediately"
3744   },
3745   {
3746     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
3747     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3748     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA, GADGET_ID_NONE,
3749     &level.bd_amoeba_2_explode_by_amoeba,
3750     NULL, NULL,
3751     "explodes if touched by amoeba",    "amoeba 2 explodes if touched by amoeba"
3752   },
3753   {
3754     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3755     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3756     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3757     &level.envelope[0].autowrap,
3758     NULL, NULL,
3759     "auto-wrap",                        "automatically wrap envelope text"
3760   },
3761   {
3762     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3763     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3764     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3765     &level.envelope[0].centered,
3766     NULL, " ",
3767     "centered",                         "automatically center envelope text"
3768   },
3769   {
3770     ED_CHECKBUTTON_ID_MM_LASER_RED,
3771     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3772     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3773     &level.mm_laser_red,
3774     "choose color components for laser:", NULL,
3775     "red",                              "use red color components in laser"
3776   },
3777   {
3778     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3779     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3780     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3781     &level.mm_laser_green,
3782     NULL, NULL,
3783     "green",                            "use green color components in laser"
3784   },
3785   {
3786     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3787     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3788     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3789     &level.mm_laser_blue,
3790     NULL, NULL,
3791     "blue",                             "use blue color components in laser"
3792   },
3793   {
3794     ED_CHECKBUTTON_ID_DF_LASER_RED,
3795     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3796     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3797     &level.df_laser_red,
3798     "choose color components for laser:", NULL,
3799     "red",                              "use red color components in laser"
3800   },
3801   {
3802     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
3803     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3804     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3805     &level.df_laser_green,
3806     NULL, NULL,
3807     "green",                            "use green color components in laser"
3808   },
3809   {
3810     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
3811     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3812     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3813     &level.df_laser_blue,
3814     NULL, NULL,
3815     "blue",                             "use blue color components in laser"
3816   },
3817   {
3818     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
3819     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3820     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3821     &level.rotate_mm_ball_content,
3822     NULL, NULL,
3823     "randomly rotate created content",  "randomly rotate newly created content"
3824   },
3825   {
3826     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
3827     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3828     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3829     &level.explode_mm_ball,
3830     NULL, NULL,
3831     "explode ball instead of melting",  "use explosion to release ball content"
3832   },
3833
3834   // ---------- element settings: configure 1 (custom elements) ---------------
3835
3836   {
3837     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
3838     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3839     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3840     &custom_element.use_gfx_element,
3841     NULL, NULL,
3842     "use graphic of element:",          "use existing element graphic"
3843   },
3844   {
3845     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
3846     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3847     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3848     &level.use_custom_template,
3849     NULL, NULL,
3850     "use template",                     "use template for custom properties"
3851   },
3852   {
3853     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
3854     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3855     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3856     &custom_element_properties[EP_ACCESSIBLE],
3857     NULL, NULL,
3858     NULL,                               "player can walk to or pass this field"
3859   },
3860   {
3861     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
3862     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3863     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3864     &custom_element_properties[EP_GRAVITY_REACHABLE],
3865     NULL, NULL,
3866     "reachable despite gravity",        "player can walk/dig despite gravity"
3867   },
3868   {
3869     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
3870     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3871     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3872     &custom_element.use_last_ce_value,
3873     NULL, NULL,
3874     "use last CE value after change",   "use last CE value after change"
3875   },
3876   {
3877     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
3878     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3879     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3880     &custom_element_properties[EP_WALK_TO_OBJECT],
3881     NULL, NULL,
3882     NULL,                               "player can dig/collect/push element"
3883   },
3884   {
3885     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
3886     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3887     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3888     &custom_element_properties[EP_INDESTRUCTIBLE],
3889     NULL, NULL,
3890     "indestructible",                   "element is indestructible"
3891   },
3892
3893   // ---------- element settings: configure 2 (custom elements) ---------------
3894
3895   {
3896     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
3897     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3898     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3899     &custom_element_properties[EP_CAN_MOVE],
3900     NULL, NULL,
3901     NULL,                               "element can move with some pattern"
3902   },
3903   {
3904     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
3905     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3906     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3907     &custom_element_properties[EP_CAN_FALL],
3908     NULL, NULL,
3909     "can fall",                         "element can fall down"
3910   },
3911   {
3912     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
3913     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3914     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3915     &custom_element_properties[EP_CAN_SMASH],
3916     NULL, " ",
3917     NULL,                               "element can smash other elements"
3918   },
3919   {
3920     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
3921     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3922     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3923     &custom_element_properties[EP_SLIPPERY],
3924     NULL, NULL,
3925     NULL,                               "other elements can fall down from it"
3926   },
3927   {
3928     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
3929     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3930     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3931     &custom_element_properties[EP_DEADLY],
3932     NULL, NULL,
3933     NULL,                               "element can kill the player"
3934   },
3935   {
3936     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
3937     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3938     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3939     &custom_element_properties[EP_CAN_EXPLODE],
3940     NULL, NULL,
3941     NULL,                               "element can explode"
3942   },
3943   {
3944     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
3945     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
3946     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3947     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3948     NULL, NULL,
3949     "by fire",                          "element can explode by fire/explosion"
3950   },
3951   {
3952     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
3953     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3954     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3955     &custom_element_properties[EP_EXPLODES_SMASHED],
3956     NULL, " ",
3957     "smashed",                          "element can explode when smashed"
3958   },
3959   {
3960     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
3961     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3962     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3963     &custom_element_properties[EP_EXPLODES_IMPACT],
3964     NULL, " ",
3965     "impact",                           "element can explode on impact"
3966   },
3967
3968   // ---------- element settings: advanced (custom elements) ------------------
3969
3970   {
3971     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
3972     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3973     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3974     &custom_element_change.can_change,
3975     NULL, NULL,
3976     "element changes to:",              "change element on specified condition"
3977   },
3978   {
3979     ED_CHECKBUTTON_ID_CHANGE_DELAY,
3980     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3981     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3982     &custom_element_change_events[CE_DELAY],
3983     NULL, NULL,
3984     NULL,                               "element changes after delay"
3985   },
3986   {
3987     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
3988     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3989     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3990     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3991     NULL, NULL,
3992     NULL,                               "element changes by direct action"
3993   },
3994   {
3995     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
3996     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3997     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3998     &custom_element_change_events[CE_BY_OTHER_ACTION],
3999     NULL, NULL,
4000     NULL,                               "element changes by other element"
4001   },
4002   {
4003     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4004     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
4005     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
4006     &custom_element_change.explode,
4007     NULL, NULL,
4008     "explode instead of change",        "element explodes instead of change"
4009   },
4010   {
4011     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4012     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
4013     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
4014     &custom_element_change.use_target_content,
4015     NULL, NULL,
4016     "use extended change target:",      "element changes to more elements"
4017   },
4018   {
4019     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4020     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
4021     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
4022     &custom_element_change.only_if_complete,
4023     NULL, NULL,
4024     "replace all or nothing",           "only replace when all can be changed"
4025   },
4026   {
4027     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4028     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
4029     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
4030     &custom_element_change.use_random_replace,
4031     NULL, NULL,
4032     NULL,                               "use percentage for random replace"
4033   },
4034   {
4035     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4036     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
4037     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
4038     &custom_element_change.has_action,
4039     NULL, NULL,
4040     NULL,                               "execute action on specified condition"
4041   },
4042 };
4043
4044 static struct
4045 {
4046   int gadget_type_id;
4047   int x, y;
4048   int xoffset, yoffset;
4049   int gadget_id;
4050   int gadget_id_align;
4051   int *value;
4052   int area_xsize, area_ysize;
4053   char *text_left, *text_right, *text_above, *text_below, *infotext;
4054 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4055 {
4056   // ---------- level playfield content ---------------------------------------
4057
4058   {
4059     ED_DRAWING_ID_DRAWING_LEVEL,
4060     0,                                  0,
4061     0,                                  0,
4062     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
4063     NULL,
4064     -1, -1,     // these values are not constant, but can change at runtime
4065     NULL, NULL, NULL, NULL,             NULL
4066   },
4067
4068   // ---------- yam yam content -----------------------------------------------
4069
4070   {
4071     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4072     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4073     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
4074     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
4075     &level.yamyam_content[0].e[0][0],   3, 3,
4076     NULL, NULL, NULL, "1",              NULL
4077   },
4078   {
4079     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4080     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4081     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
4082     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
4083     &level.yamyam_content[1].e[0][0],   3, 3,
4084     NULL, NULL, NULL, "2",              NULL
4085   },
4086   {
4087     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4088     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4089     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
4090     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
4091     &level.yamyam_content[2].e[0][0],   3, 3,
4092     NULL, NULL, NULL, "3",              NULL
4093   },
4094   {
4095     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4096     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4097     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
4098     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
4099     &level.yamyam_content[3].e[0][0],   3, 3,
4100     NULL, NULL, NULL, "4",              NULL
4101   },
4102   {
4103     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4104     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4105     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
4106     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
4107     &level.yamyam_content[4].e[0][0],   3, 3,
4108     NULL, NULL, NULL, "5",              NULL
4109   },
4110   {
4111     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4112     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4113     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
4114     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
4115     &level.yamyam_content[5].e[0][0],   3, 3,
4116     NULL, NULL, NULL, "6",              NULL
4117   },
4118   {
4119     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4120     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4121     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
4122     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
4123     &level.yamyam_content[6].e[0][0],   3, 3,
4124     NULL, NULL, NULL, "7",              NULL
4125   },
4126   {
4127     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4128     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4129     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
4130     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
4131     &level.yamyam_content[7].e[0][0],   3, 3,
4132     NULL, NULL, NULL, "8",              NULL
4133   },
4134
4135   // ---------- magic ball content --------------------------------------------
4136
4137   {
4138     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4139     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4140     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4141     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
4142     &level.ball_content[0].e[0][0],     3, 3,
4143     NULL, NULL, NULL, "1",              NULL
4144   },
4145   {
4146     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4147     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4148     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4149     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
4150     &level.ball_content[1].e[0][0],     3, 3,
4151     NULL, NULL, NULL, "2",              NULL
4152   },
4153   {
4154     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4155     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4156     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4157     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
4158     &level.ball_content[2].e[0][0],     3, 3,
4159     NULL, NULL, NULL, "3",              NULL
4160   },
4161   {
4162     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4163     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4164     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4165     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
4166     &level.ball_content[3].e[0][0],     3, 3,
4167     NULL, NULL, NULL, "4",              NULL
4168   },
4169   {
4170     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4171     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4172     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4173     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
4174     &level.ball_content[4].e[0][0],     3, 3,
4175     NULL, NULL, NULL, "5",              NULL
4176   },
4177   {
4178     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4179     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4180     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4181     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
4182     &level.ball_content[5].e[0][0],     3, 3,
4183     NULL, NULL, NULL, "6",              NULL
4184   },
4185   {
4186     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4187     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4188     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4189     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
4190     &level.ball_content[6].e[0][0],     3, 3,
4191     NULL, NULL, NULL, "7",              NULL
4192   },
4193   {
4194     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4195     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4196     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4197     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
4198     &level.ball_content[7].e[0][0],     3, 3,
4199     NULL, NULL, NULL, "8",              NULL
4200   },
4201
4202   // ---------- android content -----------------------------------------------
4203
4204   {
4205     ED_DRAWING_ID_ANDROID_CONTENT,
4206     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4207     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4208     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
4209     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
4210     NULL, NULL, "elements:", NULL,      "elements android can clone"
4211   },
4212
4213   // ---------- amoeba content ------------------------------------------------
4214
4215   {
4216     ED_DRAWING_ID_AMOEBA_CONTENT,
4217     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4218     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4219     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
4220     &level.amoeba_content,              1, 1,
4221     "content:", NULL, NULL, NULL,       "amoeba content"
4222   },
4223
4224   // ---------- BD amoeba content ------------------------------------------------
4225
4226   {
4227     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4228     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4229     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4230     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG, GADGET_ID_NONE,
4231     &level.bd_amoeba_content_too_big,   1, 1,
4232     "if too big, changes to:", NULL, NULL, NULL,        "BD amoeba content if too big"
4233   },
4234   {
4235     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4236     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4237     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4238     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED, GADGET_ID_NONE,
4239     &level.bd_amoeba_content_enclosed,  1, 1,
4240     "if enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba content if enclosed"
4241   },
4242
4243   // ---------- BD amoeba 2 content ------------------------------------------------
4244
4245   {
4246     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4247     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4248     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4249     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG, GADGET_ID_NONE,
4250     &level.bd_amoeba_2_content_too_big, 1, 1,
4251     "if too big, changes to:", NULL, NULL, NULL,        "BD amoeba 2 content if too big"
4252   },
4253   {
4254     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4255     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4256     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4257     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED, GADGET_ID_NONE,
4258     &level.bd_amoeba_2_content_enclosed,        1, 1,
4259     "if enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba 2 content if enclosed"
4260   },
4261   {
4262     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4263     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(10),
4264     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4265     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING, GADGET_ID_NONE,
4266     &level.bd_amoeba_2_content_exploding,       1, 1,
4267     "if exploding, changes to:", NULL, NULL, NULL,      "BD amoeba 2 content if exploding"
4268   },
4269   {
4270     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4271     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(11),
4272     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4273     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4274     &level.bd_amoeba_2_content_looks_like,      1, 1,
4275     "use graphic of element:", NULL, NULL, NULL,        "BD amoeba 2 looks like this element"
4276   },
4277
4278   // ---------- level start element -------------------------------------------
4279
4280   {
4281     ED_DRAWING_ID_START_ELEMENT,
4282     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
4283     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4284     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
4285     &level.start_element[0],            1, 1,
4286     NULL, NULL, NULL, NULL,             "level start element"
4287   },
4288
4289   // ---------- player artwork element ----------------------------------------
4290
4291   {
4292     ED_DRAWING_ID_ARTWORK_ELEMENT,
4293     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
4294     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4295     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
4296     &level.artwork_element[0],          1, 1,
4297     NULL, NULL, NULL, NULL,             "element for player artwork"
4298   },
4299
4300   // ---------- player explosion element --------------------------------------
4301
4302   {
4303     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4304     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
4305     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4306     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
4307     &level.explosion_element[0],        1, 1,
4308     NULL, NULL, NULL, NULL,             "element for player explosion"
4309   },
4310
4311   // ---------- player initial inventory --------------------------------------
4312
4313   {
4314     ED_DRAWING_ID_INVENTORY_CONTENT,
4315     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4316     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4317     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
4318     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
4319     NULL, NULL, NULL, NULL,             "content for initial inventory"
4320   },
4321
4322   // ---------- gray ball content -----------------------------------------
4323
4324   {
4325     ED_DRAWING_ID_MM_BALL_CONTENT,
4326     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4327     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4328     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
4329     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
4330     "content:", NULL, NULL, NULL,       "content for gray ball"
4331   },
4332
4333   // ---------- element settings: configure 1 (custom elements) ---------------
4334
4335   // ---------- custom graphic ------------------------------------------------
4336
4337   {
4338     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4339     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4340     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4341     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
4342     &custom_element.gfx_element_initial, 1, 1,
4343     NULL, NULL, NULL, NULL,             "custom graphic element"
4344   },
4345
4346   // ---------- element settings: configure 2 (custom elements) ---------------
4347
4348   // ---------- custom content (when exploding) -------------------------------
4349
4350   {
4351     ED_DRAWING_ID_CUSTOM_CONTENT,
4352     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
4353     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4354     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
4355     &custom_element.content.e[0][0],    3, 3,
4356     "content:", NULL, NULL, NULL,       NULL
4357   },
4358
4359   // ---------- custom enter and leave element (when moving) ------------------
4360
4361   {
4362     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4363     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
4364     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4365     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
4366     &custom_element.move_enter_element, 1, 1,
4367     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
4368   },
4369   {
4370     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4371     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
4372     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4373     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4374     &custom_element.move_leave_element, 1, 1,
4375     NULL, NULL, NULL, NULL,             "element that will be left behind"
4376   },
4377
4378   // ---------- element settings: advanced (custom elements) ------------------
4379
4380   // ---------- custom change target ------------------------------------------
4381
4382   {
4383     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4384     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4385     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4386     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
4387     &custom_element_change.target_element, 1, 1,
4388     NULL, "after/when:", NULL, NULL,    "new target element after change"
4389   },
4390
4391   // ---------- custom change content (extended change target) ----------------
4392
4393   {
4394     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4395     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
4396     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4397     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
4398     &custom_element_change.target_content.e[0][0], 3, 3,
4399     NULL, NULL, NULL, NULL,             "new extended elements after change"
4400   },
4401
4402   // ---------- custom change trigger (element causing change) ----------------
4403
4404   {
4405     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4406     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
4407     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4408     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
4409     &custom_element_change.initial_trigger_element, 1, 1,
4410     NULL, NULL, NULL, NULL,             "other element triggering change"
4411   },
4412
4413   // ---------- custom change action (element used for action) ----------------
4414
4415   {
4416     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4417     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
4418     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4419     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
4420     &custom_element_change.action_element, 1, 1,
4421     NULL, NULL, NULL, NULL,             "element used as action parameter"
4422   },
4423
4424   // ---------- group element content -----------------------------------------
4425
4426   {
4427     ED_DRAWING_ID_GROUP_CONTENT,
4428     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4429     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4430     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
4431     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
4432     "content:", NULL, NULL, NULL,       NULL
4433   },
4434
4435   // ---------- random background (for random painting) -----------------------
4436
4437   {
4438     ED_DRAWING_ID_RANDOM_BACKGROUND,
4439     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
4440     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
4441     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
4442     &random_placement_background_element, 1, 1,
4443     NULL, NULL, NULL, NULL,             "random placement background"
4444   },
4445 };
4446
4447
4448 // ----------------------------------------------------------------------------
4449 // some internally used variables
4450 // ----------------------------------------------------------------------------
4451
4452 // maximal size of level editor drawing area
4453 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4454
4455 // actual size of level editor drawing area
4456 static int ed_fieldx, ed_fieldy;
4457
4458 // actual position of level editor drawing area in level playfield
4459 static int level_xpos = -1, level_ypos = -1;
4460
4461 // actual tile size used to display playfield drawing area
4462 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4463 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4464
4465 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4466
4467 // drawing elements on the three mouse buttons
4468 static int new_element1 = EL_WALL;
4469 static int new_element2 = EL_EMPTY;
4470 static int new_element3 = EL_SAND;
4471
4472 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4473 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4474                                 (button) == 2 ? new_element2 : \
4475                                 (button) == 3 ? new_element3 : EL_EMPTY)
4476
4477 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4478
4479 static int use_permanent_palette = TRUE;
4480
4481 #define PX              (use_permanent_palette ? DX : SX)
4482 #define PY              (use_permanent_palette ? DY : SY)
4483 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4484 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4485
4486 // forward declaration for internal use
4487 static void CopyBrushToCursor(int, int);
4488 static void DeleteBrushFromCursor(void);
4489 static void ModifyEditorCounterValue(int, int);
4490 static void ModifyEditorCounterLimits(int, int, int);
4491 static void ModifyEditorSelectboxValue(int, int);
4492 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4493 static void ModifyEditorDrawingArea(int, int, int);
4494 static void ModifyEditorElementList(void);
4495 static void AdjustElementListScrollbar(void);
4496 static void RedrawDrawingElements(void);
4497 static void DrawDrawingWindowExt(boolean);
4498 static void DrawDrawingWindow(void);
4499 static void DrawLevelConfigWindow(void);
4500 static void DrawPropertiesWindow(void);
4501 static void DrawPaletteWindow(void);
4502 static void UpdateCustomElementGraphicGadgets(void);
4503 static boolean checkPropertiesConfig(int);
4504 static void SetAutomaticNumberOfGemsNeeded(void);
4505 static void ClearEditorGadgetInfoText(void);
4506 static void CopyLevelToUndoBuffer(int);
4507 static void HandleDrawingAreas(struct GadgetInfo *);
4508 static void HandleCounterButtons(struct GadgetInfo *);
4509 static void HandleTextInputGadgets(struct GadgetInfo *);
4510 static void HandleTextAreaGadgets(struct GadgetInfo *);
4511 static void HandleSelectboxGadgets(struct GadgetInfo *);
4512 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4513 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4514 static void HandleRadiobuttons(struct GadgetInfo *);
4515 static void HandleCheckbuttons(struct GadgetInfo *);
4516 static void HandleControlButtons(struct GadgetInfo *);
4517 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4518 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4519 static boolean AskToCopyAndModifyLevelTemplate(void);
4520 static boolean getDrawModeHiRes(void);
4521 static int getTabulatorBarWidth(void);
4522 static int getTabulatorBarHeight(void);
4523 static Pixel getTabulatorBarColor(void);
4524 static int numHiresTiles(int);
4525
4526 static int num_editor_gadgets = 0;      // dynamically determined
4527
4528 static struct GadgetInfo **level_editor_gadget = NULL;
4529 static int *right_gadget_border = NULL;
4530
4531 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4532 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4533 static boolean draw_with_brush = FALSE;
4534 static int properties_element = 0;
4535
4536 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4537 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4538 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4539 static int undo_buffer_position = 0;
4540 static int undo_buffer_steps = 0;
4541 static int redo_buffer_steps = 0;
4542
4543 static int edit_mode;
4544 static int edit_mode_levelconfig;
4545 static int edit_mode_properties;
4546
4547 static int element_shift = 0;
4548
4549 static int editor_el_players[] =
4550 {
4551   EL_PLAYER_1,
4552   EL_PLAYER_2,
4553   EL_PLAYER_3,
4554   EL_PLAYER_4
4555 };
4556 static int *editor_el_players_ptr = editor_el_players;
4557 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4558
4559 static int editor_hl_boulderdash[] =
4560 {
4561   EL_INTERNAL_CASCADE_BD_ACTIVE,
4562   EL_CHAR('B'),
4563   EL_CHAR('D'),
4564   EL_EMPTY,
4565 };
4566
4567 static int editor_el_boulderdash[] =
4568 {
4569   EL_EMPTY,
4570   EL_SAND,
4571   EL_BD_ROCK,
4572   EL_BD_DIAMOND,
4573
4574   EL_STEELWALL,
4575   EL_BD_WALL,
4576   EL_BD_EXPANDABLE_WALL,
4577   EL_BD_MAGIC_WALL,
4578
4579   EL_BD_AMOEBA,
4580   EL_BD_BUTTERFLY_UP,
4581   EL_BD_FIREFLY_UP,
4582   EL_EXIT_CLOSED,
4583
4584   EL_BD_BUTTERFLY_LEFT,
4585   EL_BD_FIREFLY_LEFT,
4586   EL_BD_BUTTERFLY_RIGHT,
4587   EL_BD_FIREFLY_RIGHT,
4588
4589   EL_EMPTY,
4590   EL_BD_BUTTERFLY_DOWN,
4591   EL_BD_FIREFLY_DOWN,
4592   EL_EXIT_OPEN,
4593 };
4594 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4595 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4596 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4597 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4598
4599 static int editor_hl_boulderdash_native[] =
4600 {
4601   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4602   EL_CHAR('B'),
4603   EL_CHAR('D'),
4604   EL_EMPTY,
4605 };
4606
4607 static int editor_el_boulderdash_native[] =
4608 {
4609   EL_EMPTY,
4610   EL_BD_SAND,
4611   EL_BD_ROCK,
4612   EL_BD_DIAMOND,
4613
4614   EL_BD_STEELWALL,
4615   EL_BD_WALL,
4616   EL_BD_SAND_2,
4617   EL_BD_MAGIC_WALL,
4618
4619   EL_BD_AMOEBA,
4620   EL_BD_BUTTERFLY_UP,
4621   EL_BD_FIREFLY_UP,
4622   EL_BD_EXIT_CLOSED,
4623
4624   EL_BD_BUTTERFLY_LEFT,
4625   EL_BD_FIREFLY_LEFT,
4626   EL_BD_BUTTERFLY_RIGHT,
4627   EL_BD_FIREFLY_RIGHT,
4628
4629   EL_BD_INBOX,
4630   EL_BD_BUTTERFLY_DOWN,
4631   EL_BD_FIREFLY_DOWN,
4632   EL_BD_EXIT_OPEN,
4633
4634   EL_BD_AMOEBA_2,
4635   EL_BD_BUTTERFLY_2_UP,
4636   EL_BD_FIREFLY_2_UP,
4637   EL_BD_SLIME,
4638
4639   EL_BD_BUTTERFLY_2_LEFT,
4640   EL_BD_FIREFLY_2_LEFT,
4641   EL_BD_BUTTERFLY_2_RIGHT,
4642   EL_BD_FIREFLY_2_RIGHT,
4643
4644   EL_BD_BOMB,
4645   EL_BD_BUTTERFLY_2_DOWN,
4646   EL_BD_FIREFLY_2_DOWN,
4647   EL_BD_FLYING_DIAMOND,
4648
4649   EL_BD_NITRO_PACK,
4650   EL_BD_DRAGONFLY_UP,
4651   EL_BD_STONEFLY_UP,
4652   EL_BD_DIAMOND_GLUED,
4653
4654   EL_BD_DRAGONFLY_LEFT,
4655   EL_BD_STONEFLY_LEFT,
4656   EL_BD_DRAGONFLY_RIGHT,
4657   EL_BD_STONEFLY_RIGHT,
4658
4659   EL_BD_NUT,
4660   EL_BD_DRAGONFLY_DOWN,
4661   EL_BD_STONEFLY_DOWN,
4662   EL_EMPTY,
4663
4664   EL_BD_BITER_SWITCH_1,
4665   EL_BD_BITER_UP,
4666   EL_BD_COW_UP,
4667   EL_EMPTY,
4668
4669   EL_BD_BITER_LEFT,
4670   EL_BD_COW_LEFT,
4671   EL_BD_BITER_RIGHT,
4672   EL_BD_COW_RIGHT,
4673
4674   EL_BD_VOODOO_DOLL,
4675   EL_BD_BITER_DOWN,
4676   EL_BD_COW_DOWN,
4677   EL_BD_GHOST,
4678
4679   EL_BD_SAND_GLUED,
4680   EL_BD_SAND_BALL,
4681   EL_BD_SAND_LOOSE,
4682   EL_BD_WALL_NON_SLOPED,
4683
4684   EL_BD_SAND_SLOPED_UP_LEFT,
4685   EL_BD_SAND_SLOPED_UP_RIGHT,
4686   EL_BD_WALL_SLOPED_UP_LEFT,
4687   EL_BD_WALL_SLOPED_UP_RIGHT,
4688
4689   EL_BD_SAND_SLOPED_DOWN_LEFT,
4690   EL_BD_SAND_SLOPED_DOWN_RIGHT,
4691   EL_BD_WALL_SLOPED_DOWN_LEFT,
4692   EL_BD_WALL_SLOPED_DOWN_RIGHT,
4693
4694   EL_BD_FLYING_ROCK,
4695   EL_BD_ROCK_GLUED,
4696   EL_BD_STEELWALL_SLOPED_UP_LEFT,
4697   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
4698
4699   EL_BD_WAITING_ROCK,
4700   EL_BD_CHASING_ROCK,
4701   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
4702   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
4703
4704   EL_BD_MEGA_ROCK,
4705   EL_BD_SWEET,
4706   EL_BD_INVISIBLE_EXIT_CLOSED,
4707   EL_BD_INVISIBLE_EXIT_OPEN,
4708
4709   EL_BD_STEELWALL_EXPLODABLE,
4710   EL_BD_STEELWALL_DIGGABLE,
4711   EL_BD_WALL_DIGGABLE,
4712   EL_BD_FALLING_WALL,
4713
4714   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
4715   EL_BD_EXPANDABLE_WALL_VERTICAL,
4716   EL_BD_EXPANDABLE_WALL_ANY,
4717   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
4718
4719   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
4720   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
4721   EL_BD_EXPANDABLE_STEELWALL_ANY,
4722   EL_BD_CREATURE_SWITCH,
4723
4724   EL_BD_BLADDER,
4725   EL_BD_BLADDER_SPENDER,
4726   EL_BD_REPLICATOR,
4727   EL_BD_REPLICATOR_SWITCH,
4728
4729   EL_BD_CONVEYOR_LEFT,
4730   EL_BD_CONVEYOR_RIGHT,
4731   EL_BD_CONVEYOR_SWITCH,
4732   EL_BD_CONVEYOR_DIR_SWITCH_RIGHT,
4733
4734   EL_BD_CLOCK,
4735   EL_BD_TIME_PENALTY,
4736   EL_BD_GRAVESTONE,
4737   EL_BD_SKELETON,
4738
4739   EL_BD_WATER,
4740   EL_BD_ACID,
4741   EL_BD_LAVA,
4742   EL_BD_BOX,
4743
4744   EL_BD_GATE_1,
4745   EL_BD_GATE_2,
4746   EL_BD_GATE_3,
4747   EL_BD_TRAPPED_DIAMOND,
4748
4749   EL_BD_KEY_1,
4750   EL_BD_KEY_2,
4751   EL_BD_KEY_3,
4752   EL_BD_DIAMOND_KEY,
4753
4754   EL_BD_WALL_KEY_1,
4755   EL_BD_WALL_KEY_2,
4756   EL_BD_WALL_KEY_3,
4757   EL_BD_WALL_DIAMOND,
4758
4759   EL_BD_GRAVITY_SWITCH,
4760   EL_BD_PNEUMATIC_HAMMER,
4761   EL_BD_TELEPORTER,
4762   EL_BD_POT,
4763
4764   EL_BD_PLAYER,
4765   EL_BD_PLAYER_WITH_BOMB,
4766   EL_BD_PLAYER_GLUED,
4767   EL_BD_PLAYER_STIRRING,
4768 };
4769 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
4770 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
4771 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
4772 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
4773
4774 static int editor_hl_emerald_mine[] =
4775 {
4776   EL_INTERNAL_CASCADE_EM_ACTIVE,
4777   EL_CHAR('E'),
4778   EL_CHAR('M'),
4779   EL_EMPTY,
4780 };
4781
4782 static int editor_el_emerald_mine[] =
4783 {
4784   EL_SAND,
4785   EL_ROCK,
4786   EL_QUICKSAND_EMPTY,
4787   EL_QUICKSAND_FULL,
4788
4789   EL_STEELWALL,
4790   EL_WALL,
4791   EL_WALL_SLIPPERY,
4792   EL_MAGIC_WALL,
4793
4794   EL_EMERALD,
4795   EL_DIAMOND,
4796   EL_NUT,
4797   EL_BOMB,
4798
4799   EL_EM_DYNAMITE,
4800   EL_EM_DYNAMITE_ACTIVE,
4801   EL_EM_EXIT_CLOSED,
4802   EL_EM_EXIT_OPEN,
4803
4804   EL_YAMYAM_UP,
4805   EL_BUG_UP,
4806   EL_SPACESHIP_UP,
4807   EL_ROBOT,
4808
4809   EL_BUG_LEFT,
4810   EL_SPACESHIP_LEFT,
4811   EL_BUG_RIGHT,
4812   EL_SPACESHIP_RIGHT,
4813
4814   EL_ROBOT_WHEEL,
4815   EL_BUG_DOWN,
4816   EL_SPACESHIP_DOWN,
4817   EL_INVISIBLE_WALL,
4818
4819   EL_ACID_POOL_TOPLEFT,
4820   EL_ACID,
4821   EL_ACID_POOL_TOPRIGHT,
4822   EL_AMOEBA_DROP,
4823
4824   EL_ACID_POOL_BOTTOMLEFT,
4825   EL_ACID_POOL_BOTTOM,
4826   EL_ACID_POOL_BOTTOMRIGHT,
4827   EL_AMOEBA_WET,
4828
4829   EL_EM_KEY_1,
4830   EL_EM_KEY_2,
4831   EL_EM_KEY_3,
4832   EL_EM_KEY_4,
4833
4834   EL_EM_GATE_1,
4835   EL_EM_GATE_2,
4836   EL_EM_GATE_3,
4837   EL_EM_GATE_4,
4838
4839   EL_EM_GATE_1_GRAY,
4840   EL_EM_GATE_2_GRAY,
4841   EL_EM_GATE_3_GRAY,
4842   EL_EM_GATE_4_GRAY,
4843 };
4844 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4845 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4846 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4847 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4848
4849 static int editor_hl_emerald_mine_club[] =
4850 {
4851   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4852   EL_CHAR('E'),
4853   EL_CHAR('M'),
4854   EL_CHAR('C'),
4855 };
4856
4857 static int editor_el_emerald_mine_club[] =
4858 {
4859   EL_EMC_KEY_5,
4860   EL_EMC_KEY_6,
4861   EL_EMC_KEY_7,
4862   EL_EMC_KEY_8,
4863
4864   EL_EMC_GATE_5,
4865   EL_EMC_GATE_6,
4866   EL_EMC_GATE_7,
4867   EL_EMC_GATE_8,
4868
4869   EL_EMC_GATE_5_GRAY,
4870   EL_EMC_GATE_6_GRAY,
4871   EL_EMC_GATE_7_GRAY,
4872   EL_EMC_GATE_8_GRAY,
4873
4874   EL_EMC_STEELWALL_1,
4875   EL_EMC_STEELWALL_2,
4876   EL_EMC_STEELWALL_3,
4877   EL_EMC_STEELWALL_4,
4878
4879   EL_EMC_WALL_13,
4880   EL_EMC_WALL_14,
4881   EL_EMC_WALL_15,
4882   EL_EMC_WALL_16,
4883
4884   EL_EMC_WALL_SLIPPERY_1,
4885   EL_EMC_WALL_SLIPPERY_2,
4886   EL_EMC_WALL_SLIPPERY_3,
4887   EL_EMC_WALL_SLIPPERY_4,
4888
4889   EL_EMC_WALL_1,
4890   EL_EMC_WALL_2,
4891   EL_EMC_WALL_3,
4892   EL_EMC_WALL_4,
4893
4894   EL_EMC_WALL_5,
4895   EL_EMC_WALL_6,
4896   EL_EMC_WALL_7,
4897   EL_EMC_WALL_8,
4898
4899   EL_EMC_WALL_9,
4900   EL_EMC_WALL_10,
4901   EL_EMC_WALL_11,
4902   EL_EMC_WALL_12,
4903
4904   EL_EMC_GRASS,
4905   EL_EMC_FAKE_GRASS,
4906   EL_EMC_PLANT,
4907   EL_EMC_DRIPPER,
4908
4909   EL_EMC_MAGIC_BALL,
4910   EL_EMC_MAGIC_BALL_SWITCH,
4911   EL_EMC_LENSES,
4912   EL_EMC_MAGNIFIER,
4913
4914   EL_SPRING_LEFT,
4915   EL_SPRING,
4916   EL_SPRING_RIGHT,
4917   EL_EMC_SPRING_BUMPER,
4918
4919   EL_BALLOON,
4920   EL_YAMYAM_UP,
4921   EL_BALLOON_SWITCH_UP,
4922   EL_BALLOON_SWITCH_ANY,
4923
4924   EL_YAMYAM_LEFT,
4925   EL_BALLOON_SWITCH_LEFT,
4926   EL_YAMYAM_RIGHT,
4927   EL_BALLOON_SWITCH_RIGHT,
4928
4929   EL_EMC_ANDROID,
4930   EL_YAMYAM_DOWN,
4931   EL_BALLOON_SWITCH_DOWN,
4932   EL_BALLOON_SWITCH_NONE,
4933 };
4934 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4935 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4936 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4937 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4938
4939 static int editor_hl_rnd[] =
4940 {
4941   EL_INTERNAL_CASCADE_RND_ACTIVE,
4942   EL_CHAR('R'),
4943   EL_CHAR('N'),
4944   EL_CHAR('D'),
4945 };
4946
4947 static int editor_el_rnd[] =
4948 {
4949   EL_DYNAMITE,                  // RND
4950   EL_DYNAMITE_ACTIVE,           // RND
4951   EL_EMPTY,
4952   EL_EMPTY,
4953
4954   EL_KEY_1,
4955   EL_KEY_2,
4956   EL_KEY_3,
4957   EL_KEY_4,
4958
4959   EL_GATE_1,
4960   EL_GATE_2,
4961   EL_GATE_3,
4962   EL_GATE_4,
4963
4964   EL_GATE_1_GRAY,
4965   EL_GATE_2_GRAY,
4966   EL_GATE_3_GRAY,
4967   EL_GATE_4_GRAY,
4968
4969   EL_ARROW_LEFT,
4970   EL_ARROW_RIGHT,
4971   EL_ARROW_UP,
4972   EL_ARROW_DOWN,
4973
4974   EL_AMOEBA_DEAD,
4975   EL_AMOEBA_DRY,
4976   EL_AMOEBA_FULL,
4977   EL_GAME_OF_LIFE,
4978
4979   EL_EMERALD_YELLOW,
4980   EL_EMERALD_RED,
4981   EL_EMERALD_PURPLE,
4982   EL_BIOMAZE,
4983
4984   EL_WALL_EMERALD_YELLOW,
4985   EL_WALL_EMERALD_RED,
4986   EL_WALL_EMERALD_PURPLE,
4987   EL_WALL_BD_DIAMOND,
4988
4989   EL_SPEED_PILL,
4990   EL_PACMAN_UP,
4991   EL_TIME_ORB_FULL,
4992   EL_TIME_ORB_EMPTY,
4993
4994   EL_PACMAN_LEFT,
4995   EL_DARK_YAMYAM,
4996   EL_PACMAN_RIGHT,
4997   EL_YAMYAM,                    // RND
4998
4999   EL_BLACK_ORB,
5000   EL_PACMAN_DOWN,
5001   EL_LAMP,
5002   EL_LAMP_ACTIVE,
5003
5004   EL_DYNABOMB_INCREASE_NUMBER,
5005   EL_DYNABOMB_INCREASE_SIZE,
5006   EL_DYNABOMB_INCREASE_POWER,
5007   EL_STONEBLOCK,
5008
5009   EL_MOLE,
5010   EL_PENGUIN,
5011   EL_PIG,
5012   EL_DRAGON,
5013
5014   EL_BUG,
5015   EL_MOLE_UP,
5016   EL_BD_BUTTERFLY,
5017   EL_BD_FIREFLY,
5018
5019   EL_MOLE_LEFT,
5020   EL_SATELLITE,
5021   EL_MOLE_RIGHT,
5022   EL_PACMAN,
5023
5024   EL_SPACESHIP,
5025   EL_MOLE_DOWN,
5026   EL_INVISIBLE_STEELWALL,
5027   EL_INVISIBLE_WALL,
5028
5029   EL_EXPANDABLE_WALL,
5030   EL_EXPANDABLE_WALL_HORIZONTAL,
5031   EL_EXPANDABLE_WALL_VERTICAL,
5032   EL_EXPANDABLE_WALL_ANY,
5033 };
5034 static int *editor_hl_rnd_ptr = editor_hl_rnd;
5035 static int *editor_el_rnd_ptr = editor_el_rnd;
5036 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
5037 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
5038
5039 static int editor_hl_sokoban[] =
5040 {
5041   EL_INTERNAL_CASCADE_SB_ACTIVE,
5042   EL_CHAR('S'),
5043   EL_CHAR('B'),
5044   EL_EMPTY,
5045 };
5046
5047 static int editor_el_sokoban[] =
5048 {
5049   EL_SOKOBAN_OBJECT,
5050   EL_SOKOBAN_FIELD_EMPTY,
5051   EL_SOKOBAN_FIELD_FULL,
5052   EL_SOKOBAN_FIELD_PLAYER,
5053 };
5054 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
5055 static int *editor_el_sokoban_ptr = editor_el_sokoban;
5056 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
5057 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
5058
5059 static int editor_hl_supaplex[] =
5060 {
5061   EL_INTERNAL_CASCADE_SP_ACTIVE,
5062   EL_CHAR('S'),
5063   EL_CHAR('P'),
5064   EL_EMPTY,
5065 };
5066
5067 static int editor_el_supaplex[] =
5068 {
5069   EL_SP_MURPHY,
5070   EL_EMPTY,
5071   EL_SP_BASE,
5072   EL_SP_BUGGY_BASE,
5073
5074   EL_SP_INFOTRON,
5075   EL_SP_ZONK,
5076   EL_SP_SNIKSNAK,
5077   EL_SP_ELECTRON,
5078
5079   EL_SP_DISK_RED,
5080   EL_SP_DISK_ORANGE,
5081   EL_SP_DISK_YELLOW,
5082   EL_SP_TERMINAL,
5083
5084   EL_SP_EXIT_CLOSED,
5085   EL_SP_PORT_HORIZONTAL,
5086   EL_SP_PORT_VERTICAL,
5087   EL_SP_PORT_ANY,
5088
5089   EL_SP_PORT_LEFT,
5090   EL_SP_PORT_RIGHT,
5091   EL_SP_PORT_UP,
5092   EL_SP_PORT_DOWN,
5093
5094   EL_SP_GRAVITY_PORT_LEFT,
5095   EL_SP_GRAVITY_PORT_RIGHT,
5096   EL_SP_GRAVITY_PORT_UP,
5097   EL_SP_GRAVITY_PORT_DOWN,
5098
5099   EL_SP_GRAVITY_ON_PORT_LEFT,
5100   EL_SP_GRAVITY_ON_PORT_RIGHT,
5101   EL_SP_GRAVITY_ON_PORT_UP,
5102   EL_SP_GRAVITY_ON_PORT_DOWN,
5103
5104   EL_SP_GRAVITY_OFF_PORT_LEFT,
5105   EL_SP_GRAVITY_OFF_PORT_RIGHT,
5106   EL_SP_GRAVITY_OFF_PORT_UP,
5107   EL_SP_GRAVITY_OFF_PORT_DOWN,
5108
5109   EL_SP_HARDWARE_GRAY,
5110   EL_SP_HARDWARE_GREEN,
5111   EL_SP_HARDWARE_BLUE,
5112   EL_SP_HARDWARE_RED,
5113
5114   EL_SP_HARDWARE_BASE_1,
5115   EL_SP_HARDWARE_BASE_2,
5116   EL_SP_HARDWARE_BASE_3,
5117   EL_SP_HARDWARE_BASE_4,
5118
5119   EL_SP_HARDWARE_BASE_5,
5120   EL_SP_HARDWARE_BASE_6,
5121   EL_SP_HARDWARE_YELLOW,
5122   EL_SP_CHIP_TOP,
5123
5124   EL_SP_CHIP_SINGLE,
5125   EL_SP_CHIP_LEFT,
5126   EL_SP_CHIP_RIGHT,
5127   EL_SP_CHIP_BOTTOM,
5128 };
5129 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
5130 static int *editor_el_supaplex_ptr = editor_el_supaplex;
5131 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
5132 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
5133
5134 static int editor_hl_diamond_caves[] =
5135 {
5136   EL_INTERNAL_CASCADE_DC_ACTIVE,
5137   EL_CHAR('D'),
5138   EL_CHAR('C'),
5139   EL_CHAR('2'),
5140 };
5141
5142 static int editor_el_diamond_caves[] =
5143 {
5144   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5145   EL_EM_STEEL_EXIT_OPEN,        // DC2
5146   EL_WALL_EMERALD,              // DC2
5147   EL_WALL_DIAMOND,              // DC2
5148
5149   EL_PEARL,
5150   EL_CRYSTAL,
5151   EL_WALL_PEARL,
5152   EL_WALL_CRYSTAL,
5153
5154   EL_CONVEYOR_BELT_1_LEFT,
5155   EL_CONVEYOR_BELT_1_MIDDLE,
5156   EL_CONVEYOR_BELT_1_RIGHT,
5157   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5158
5159   EL_CONVEYOR_BELT_2_LEFT,
5160   EL_CONVEYOR_BELT_2_MIDDLE,
5161   EL_CONVEYOR_BELT_2_RIGHT,
5162   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5163
5164   EL_CONVEYOR_BELT_3_LEFT,
5165   EL_CONVEYOR_BELT_3_MIDDLE,
5166   EL_CONVEYOR_BELT_3_RIGHT,
5167   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5168
5169   EL_CONVEYOR_BELT_4_LEFT,
5170   EL_CONVEYOR_BELT_4_MIDDLE,
5171   EL_CONVEYOR_BELT_4_RIGHT,
5172   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5173
5174   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5175   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5176   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5177   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5178
5179   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5180   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5181   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5182   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5183
5184   EL_TIMEGATE_CLOSED,
5185   EL_TIMEGATE_OPEN,
5186   EL_TIMEGATE_SWITCH,
5187   EL_DC_TIMEGATE_SWITCH,
5188
5189   EL_SWITCHGATE_CLOSED,
5190   EL_SWITCHGATE_OPEN,
5191   EL_SWITCHGATE_SWITCH_UP,
5192   EL_SWITCHGATE_SWITCH_DOWN,
5193
5194   EL_LIGHT_SWITCH,
5195   EL_LIGHT_SWITCH_ACTIVE,
5196   EL_DC_SWITCHGATE_SWITCH_UP,
5197   EL_DC_SWITCHGATE_SWITCH_DOWN,
5198
5199   EL_STEEL_EXIT_CLOSED,
5200   EL_STEEL_EXIT_OPEN,
5201   EL_STEELWALL_SLIPPERY,
5202   EL_INVISIBLE_SAND,
5203
5204   EL_QUICKSAND_FAST_EMPTY,
5205   EL_QUICKSAND_FAST_FULL,
5206   EL_LANDMINE,
5207   EL_DC_LANDMINE,
5208
5209   EL_SHIELD_NORMAL,
5210   EL_SHIELD_DEADLY,
5211   EL_EXTRA_TIME,
5212   EL_DC_MAGIC_WALL,
5213
5214   EL_ENVELOPE_1,
5215   EL_ENVELOPE_2,
5216   EL_ENVELOPE_3,
5217   EL_ENVELOPE_4,
5218
5219   EL_SIGN_RADIOACTIVITY,
5220   EL_SIGN_WHEELCHAIR,
5221   EL_SIGN_PARKING,
5222   EL_SIGN_NO_ENTRY,
5223
5224   EL_SIGN_GIVE_WAY,
5225   EL_SIGN_ENTRY_FORBIDDEN,
5226   EL_SIGN_EMERGENCY_EXIT,
5227   EL_SIGN_YIN_YANG,
5228
5229 #if 0
5230   EL_SIGN_SPERMS,
5231   EL_SIGN_BULLET,
5232   EL_SIGN_HEART,
5233   EL_SIGN_CROSS,
5234
5235   EL_SIGN_FRANKIE,
5236   EL_EMPTY,
5237   EL_EMPTY,
5238   EL_EMPTY,
5239
5240   EL_SPERMS,
5241   EL_BULLET,
5242   EL_HEART,
5243   EL_CROSS,
5244
5245   EL_FRANKIE,
5246   EL_EMPTY,
5247   EL_EMPTY,
5248   EL_EMPTY,
5249 #endif
5250
5251   EL_DC_STEELWALL_2_SINGLE,
5252   EL_DC_STEELWALL_2_TOP,
5253   EL_SIGN_EXCLAMATION,
5254   EL_SIGN_STOP,
5255
5256   EL_DC_STEELWALL_2_LEFT,
5257   EL_DC_STEELWALL_2_MIDDLE,
5258   EL_DC_STEELWALL_2_HORIZONTAL,
5259   EL_DC_STEELWALL_2_RIGHT,
5260
5261   EL_DC_STEELWALL_1_TOPLEFT,
5262   EL_DC_STEELWALL_2_VERTICAL,
5263   EL_DC_STEELWALL_1_TOPRIGHT,
5264   EL_DC_GATE_WHITE,
5265
5266   EL_DC_STEELWALL_1_VERTICAL,
5267   EL_DC_STEELWALL_2_BOTTOM,
5268   EL_DC_KEY_WHITE,
5269   EL_DC_GATE_WHITE_GRAY,
5270
5271   EL_DC_STEELWALL_1_BOTTOMLEFT,
5272   EL_DC_STEELWALL_1_HORIZONTAL,
5273   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5274   EL_DC_GATE_FAKE_GRAY,
5275
5276   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5277   EL_DC_STEELWALL_1_BOTTOM,
5278   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5279   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5280
5281   EL_DC_STEELWALL_1_RIGHT,
5282   EL_EMPTY,
5283   EL_DC_STEELWALL_1_LEFT,
5284   EL_EXPANDABLE_STEELWALL_VERTICAL,
5285
5286   EL_DC_STEELWALL_1_TOPRIGHT_2,
5287   EL_DC_STEELWALL_1_TOP,
5288   EL_DC_STEELWALL_1_TOPLEFT_2,
5289   EL_EXPANDABLE_STEELWALL_ANY,
5290 };
5291 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5292 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5293 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5294 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5295
5296 static int editor_hl_dx_boulderdash[] =
5297 {
5298   EL_INTERNAL_CASCADE_DX_ACTIVE,
5299   EL_CHAR('D'),
5300   EL_CHAR('X'),
5301   EL_EMPTY,
5302 };
5303
5304 static int editor_el_dx_boulderdash[] =
5305 {
5306   EL_EMPTY,
5307   EL_TUBE_RIGHT_DOWN,
5308   EL_TUBE_HORIZONTAL_DOWN,
5309   EL_TUBE_LEFT_DOWN,
5310
5311   EL_TUBE_HORIZONTAL,
5312   EL_TUBE_VERTICAL_RIGHT,
5313   EL_TUBE_ANY,
5314   EL_TUBE_VERTICAL_LEFT,
5315
5316   EL_TUBE_VERTICAL,
5317   EL_TUBE_RIGHT_UP,
5318   EL_TUBE_HORIZONTAL_UP,
5319   EL_TUBE_LEFT_UP,
5320
5321   EL_TRAP,
5322   EL_DX_SUPABOMB,
5323   EL_EMPTY,
5324   EL_EMPTY
5325 };
5326 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5327 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5328 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5329 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5330
5331 static int editor_hl_mirror_magic[] =
5332 {
5333   EL_INTERNAL_CASCADE_MM_ACTIVE,
5334   EL_CHAR('M'),
5335   EL_CHAR('M'),
5336   EL_EMPTY,
5337 };
5338
5339 static int editor_el_mirror_magic[] =
5340 {
5341   EL_MM_MCDUFFIN_RIGHT,
5342   EL_MM_MCDUFFIN_UP,
5343   EL_MM_MCDUFFIN_LEFT,
5344   EL_MM_MCDUFFIN_DOWN,
5345
5346   EL_MM_MIRROR_START,
5347   EL_MM_MIRROR_FIXED_START,
5348   EL_MM_POLARIZER_START,
5349   EL_MM_POLARIZER_CROSS_START,
5350
5351   EL_MM_TELEPORTER_RED_START,
5352   EL_MM_TELEPORTER_YELLOW_START,
5353   EL_MM_TELEPORTER_GREEN_START,
5354   EL_MM_TELEPORTER_BLUE_START,
5355
5356   EL_MM_PRISM,
5357   EL_MM_FUSE_ACTIVE,
5358   EL_MM_PACMAN_RIGHT,
5359   EL_MM_EXIT_CLOSED,
5360
5361   EL_MM_KETTLE,
5362   EL_MM_BOMB,
5363   EL_MM_KEY,
5364   EL_MM_FUEL_FULL,
5365
5366   EL_MM_LIGHTBULB,
5367   EL_MM_LIGHTBULB_ACTIVE,
5368   EL_MM_GRAY_BALL,
5369   EL_MM_LIGHTBALL,
5370
5371   EL_MM_STEEL_WALL,
5372   EL_MM_WOODEN_WALL,
5373   EL_MM_ICE_WALL,
5374   EL_MM_AMOEBA_WALL,
5375
5376   EL_MM_STEEL_LOCK,
5377   EL_MM_WOODEN_LOCK,
5378   EL_MM_STEEL_BLOCK,
5379   EL_MM_WOODEN_BLOCK,
5380
5381   EL_MM_STEEL_GRID_FIXED_1,
5382   EL_MM_STEEL_GRID_FIXED_2,
5383   EL_MM_STEEL_GRID_FIXED_3,
5384   EL_MM_STEEL_GRID_FIXED_4,
5385
5386   EL_MM_WOODEN_GRID_FIXED_1,
5387   EL_MM_WOODEN_GRID_FIXED_2,
5388   EL_MM_WOODEN_GRID_FIXED_3,
5389   EL_MM_WOODEN_GRID_FIXED_4,
5390
5391   EL_MM_ENVELOPE_1,
5392   EL_MM_ENVELOPE_2,
5393   EL_MM_ENVELOPE_3,
5394   EL_MM_ENVELOPE_4
5395 };
5396 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5397 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5398 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5399 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5400
5401 static int editor_hl_deflektor[] =
5402 {
5403   EL_INTERNAL_CASCADE_DF_ACTIVE,
5404   EL_CHAR('D'),
5405   EL_CHAR('F'),
5406   EL_EMPTY,
5407 };
5408
5409 static int editor_el_deflektor[] =
5410 {
5411   EL_DF_LASER_RIGHT,
5412   EL_DF_LASER_UP,
5413   EL_DF_LASER_LEFT,
5414   EL_DF_LASER_DOWN,
5415
5416   EL_DF_RECEIVER_RIGHT,
5417   EL_DF_RECEIVER_UP,
5418   EL_DF_RECEIVER_LEFT,
5419   EL_DF_RECEIVER_DOWN,
5420
5421   EL_DF_MIRROR_START,
5422   EL_DF_MIRROR_ROTATING_START,
5423   EL_DF_MIRROR_FIXED_START,
5424   EL_DF_CELL,
5425
5426   EL_DF_FIBRE_OPTIC_RED_1,
5427   EL_DF_FIBRE_OPTIC_YELLOW_1,
5428   EL_DF_FIBRE_OPTIC_GREEN_1,
5429   EL_DF_FIBRE_OPTIC_BLUE_1,
5430
5431   EL_DF_STEEL_GRID_FIXED_START,
5432   EL_DF_STEEL_GRID_ROTATING_START,
5433   EL_DF_WOODEN_GRID_FIXED_START,
5434   EL_DF_WOODEN_GRID_ROTATING_START,
5435
5436   EL_DF_STEEL_WALL,
5437   EL_DF_WOODEN_WALL,
5438   EL_DF_REFRACTOR,
5439   EL_DF_MINE,
5440
5441   EL_DF_SLOPE_1,
5442   EL_DF_SLOPE_2,
5443   EL_DF_SLOPE_3,
5444   EL_DF_SLOPE_4
5445 };
5446 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5447 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5448 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5449 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5450
5451 static int editor_hl_chars[] =
5452 {
5453   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5454   EL_CHAR('T'),
5455   EL_CHAR('X'),
5456   EL_CHAR('T'),
5457 };
5458
5459 static int editor_el_chars[] =
5460 {
5461   EL_CHAR(' '),
5462   EL_CHAR('!'),
5463   EL_CHAR('"'),
5464   EL_CHAR('#'),
5465
5466   EL_CHAR('$'),
5467   EL_CHAR('%'),
5468   EL_CHAR('&'),
5469   EL_CHAR('\''),
5470
5471   EL_CHAR('('),
5472   EL_CHAR(')'),
5473   EL_CHAR('*'),
5474   EL_CHAR('+'),
5475
5476   EL_CHAR(','),
5477   EL_CHAR('-'),
5478   EL_CHAR('.'),
5479   EL_CHAR('/'),
5480
5481   EL_CHAR('0'),
5482   EL_CHAR('1'),
5483   EL_CHAR('2'),
5484   EL_CHAR('3'),
5485
5486   EL_CHAR('4'),
5487   EL_CHAR('5'),
5488   EL_CHAR('6'),
5489   EL_CHAR('7'),
5490
5491   EL_CHAR('8'),
5492   EL_CHAR('9'),
5493   EL_CHAR(':'),
5494   EL_CHAR(';'),
5495
5496   EL_CHAR('<'),
5497   EL_CHAR('='),
5498   EL_CHAR('>'),
5499   EL_CHAR('?'),
5500
5501   EL_CHAR('@'),
5502   EL_CHAR('A'),
5503   EL_CHAR('B'),
5504   EL_CHAR('C'),
5505
5506   EL_CHAR('D'),
5507   EL_CHAR('E'),
5508   EL_CHAR('F'),
5509   EL_CHAR('G'),
5510
5511   EL_CHAR('H'),
5512   EL_CHAR('I'),
5513   EL_CHAR('J'),
5514   EL_CHAR('K'),
5515
5516   EL_CHAR('L'),
5517   EL_CHAR('M'),
5518   EL_CHAR('N'),
5519   EL_CHAR('O'),
5520
5521   EL_CHAR('P'),
5522   EL_CHAR('Q'),
5523   EL_CHAR('R'),
5524   EL_CHAR('S'),
5525
5526   EL_CHAR('T'),
5527   EL_CHAR('U'),
5528   EL_CHAR('V'),
5529   EL_CHAR('W'),
5530
5531   EL_CHAR('X'),
5532   EL_CHAR('Y'),
5533   EL_CHAR('Z'),
5534   EL_CHAR('['),
5535
5536   EL_CHAR('\\'),
5537   EL_CHAR(']'),
5538   EL_CHAR('^'),
5539   EL_CHAR('_'),
5540
5541   EL_CHAR(CHAR_BYTE_COPYRIGHT),
5542   EL_CHAR(CHAR_BYTE_UMLAUT_A),
5543   EL_CHAR(CHAR_BYTE_UMLAUT_O),
5544   EL_CHAR(CHAR_BYTE_UMLAUT_U),
5545
5546   EL_CHAR(CHAR_BYTE_DEGREE),
5547   EL_CHAR(CHAR_BYTE_REGISTERED),
5548   EL_CHAR(FONT_ASCII_CURSOR),
5549   EL_CHAR(FONT_ASCII_BUTTON),
5550
5551   EL_CHAR(FONT_ASCII_UP),
5552   EL_CHAR(FONT_ASCII_DOWN),
5553   EL_CHAR(' '),
5554   EL_CHAR(' ')
5555 };
5556 static int *editor_hl_chars_ptr = editor_hl_chars;
5557 static int *editor_el_chars_ptr = editor_el_chars;
5558 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
5559 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
5560
5561 static int editor_hl_steel_chars[] =
5562 {
5563   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
5564   EL_STEEL_CHAR('T'),
5565   EL_STEEL_CHAR('X'),
5566   EL_STEEL_CHAR('T'),
5567 };
5568
5569 static int editor_el_steel_chars[] =
5570 {
5571   EL_STEEL_CHAR(' '),
5572   EL_STEEL_CHAR('!'),
5573   EL_STEEL_CHAR('"'),
5574   EL_STEEL_CHAR('#'),
5575
5576   EL_STEEL_CHAR('$'),
5577   EL_STEEL_CHAR('%'),
5578   EL_STEEL_CHAR('&'),
5579   EL_STEEL_CHAR('\''),
5580
5581   EL_STEEL_CHAR('('),
5582   EL_STEEL_CHAR(')'),
5583   EL_STEEL_CHAR('*'),
5584   EL_STEEL_CHAR('+'),
5585
5586   EL_STEEL_CHAR(','),
5587   EL_STEEL_CHAR('-'),
5588   EL_STEEL_CHAR('.'),
5589   EL_STEEL_CHAR('/'),
5590
5591   EL_STEEL_CHAR('0'),
5592   EL_STEEL_CHAR('1'),
5593   EL_STEEL_CHAR('2'),
5594   EL_STEEL_CHAR('3'),
5595
5596   EL_STEEL_CHAR('4'),
5597   EL_STEEL_CHAR('5'),
5598   EL_STEEL_CHAR('6'),
5599   EL_STEEL_CHAR('7'),
5600
5601   EL_STEEL_CHAR('8'),
5602   EL_STEEL_CHAR('9'),
5603   EL_STEEL_CHAR(':'),
5604   EL_STEEL_CHAR(';'),
5605
5606   EL_STEEL_CHAR('<'),
5607   EL_STEEL_CHAR('='),
5608   EL_STEEL_CHAR('>'),
5609   EL_STEEL_CHAR('?'),
5610
5611   EL_STEEL_CHAR('@'),
5612   EL_STEEL_CHAR('A'),
5613   EL_STEEL_CHAR('B'),
5614   EL_STEEL_CHAR('C'),
5615
5616   EL_STEEL_CHAR('D'),
5617   EL_STEEL_CHAR('E'),
5618   EL_STEEL_CHAR('F'),
5619   EL_STEEL_CHAR('G'),
5620
5621   EL_STEEL_CHAR('H'),
5622   EL_STEEL_CHAR('I'),
5623   EL_STEEL_CHAR('J'),
5624   EL_STEEL_CHAR('K'),
5625
5626   EL_STEEL_CHAR('L'),
5627   EL_STEEL_CHAR('M'),
5628   EL_STEEL_CHAR('N'),
5629   EL_STEEL_CHAR('O'),
5630
5631   EL_STEEL_CHAR('P'),
5632   EL_STEEL_CHAR('Q'),
5633   EL_STEEL_CHAR('R'),
5634   EL_STEEL_CHAR('S'),
5635
5636   EL_STEEL_CHAR('T'),
5637   EL_STEEL_CHAR('U'),
5638   EL_STEEL_CHAR('V'),
5639   EL_STEEL_CHAR('W'),
5640
5641   EL_STEEL_CHAR('X'),
5642   EL_STEEL_CHAR('Y'),
5643   EL_STEEL_CHAR('Z'),
5644   EL_STEEL_CHAR('['),
5645
5646   EL_STEEL_CHAR('\\'),
5647   EL_STEEL_CHAR(']'),
5648   EL_STEEL_CHAR('^'),
5649   EL_STEEL_CHAR('_'),
5650
5651   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
5652   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
5653   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
5654   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
5655
5656   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
5657   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
5658   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
5659   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
5660
5661   EL_STEEL_CHAR(FONT_ASCII_UP),
5662   EL_STEEL_CHAR(FONT_ASCII_DOWN),
5663   EL_STEEL_CHAR(' '),
5664   EL_STEEL_CHAR(' ')
5665 };
5666 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
5667 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
5668 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
5669 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
5670
5671 static int editor_hl_custom[] =
5672 {
5673   EL_INTERNAL_CASCADE_CE_ACTIVE,
5674   EL_CHAR('C'),
5675   EL_CHAR('E'),
5676   EL_EMPTY,
5677 };
5678
5679 static int editor_el_custom[] =
5680 {
5681   EL_CUSTOM_START + 0,
5682   EL_CUSTOM_START + 1,
5683   EL_CUSTOM_START + 2,
5684   EL_CUSTOM_START + 3,
5685
5686   EL_CUSTOM_START + 4,
5687   EL_CUSTOM_START + 5,
5688   EL_CUSTOM_START + 6,
5689   EL_CUSTOM_START + 7,
5690
5691   EL_CUSTOM_START + 8,
5692   EL_CUSTOM_START + 9,
5693   EL_CUSTOM_START + 10,
5694   EL_CUSTOM_START + 11,
5695
5696   EL_CUSTOM_START + 12,
5697   EL_CUSTOM_START + 13,
5698   EL_CUSTOM_START + 14,
5699   EL_CUSTOM_START + 15,
5700
5701   EL_CUSTOM_START + 16,
5702   EL_CUSTOM_START + 17,
5703   EL_CUSTOM_START + 18,
5704   EL_CUSTOM_START + 19,
5705
5706   EL_CUSTOM_START + 20,
5707   EL_CUSTOM_START + 21,
5708   EL_CUSTOM_START + 22,
5709   EL_CUSTOM_START + 23,
5710
5711   EL_CUSTOM_START + 24,
5712   EL_CUSTOM_START + 25,
5713   EL_CUSTOM_START + 26,
5714   EL_CUSTOM_START + 27,
5715
5716   EL_CUSTOM_START + 28,
5717   EL_CUSTOM_START + 29,
5718   EL_CUSTOM_START + 30,
5719   EL_CUSTOM_START + 31,
5720
5721   EL_CUSTOM_START + 32,
5722   EL_CUSTOM_START + 33,
5723   EL_CUSTOM_START + 34,
5724   EL_CUSTOM_START + 35,
5725
5726   EL_CUSTOM_START + 36,
5727   EL_CUSTOM_START + 37,
5728   EL_CUSTOM_START + 38,
5729   EL_CUSTOM_START + 39,
5730
5731   EL_CUSTOM_START + 40,
5732   EL_CUSTOM_START + 41,
5733   EL_CUSTOM_START + 42,
5734   EL_CUSTOM_START + 43,
5735
5736   EL_CUSTOM_START + 44,
5737   EL_CUSTOM_START + 45,
5738   EL_CUSTOM_START + 46,
5739   EL_CUSTOM_START + 47,
5740
5741   EL_CUSTOM_START + 48,
5742   EL_CUSTOM_START + 49,
5743   EL_CUSTOM_START + 50,
5744   EL_CUSTOM_START + 51,
5745
5746   EL_CUSTOM_START + 52,
5747   EL_CUSTOM_START + 53,
5748   EL_CUSTOM_START + 54,
5749   EL_CUSTOM_START + 55,
5750
5751   EL_CUSTOM_START + 56,
5752   EL_CUSTOM_START + 57,
5753   EL_CUSTOM_START + 58,
5754   EL_CUSTOM_START + 59,
5755
5756   EL_CUSTOM_START + 60,
5757   EL_CUSTOM_START + 61,
5758   EL_CUSTOM_START + 62,
5759   EL_CUSTOM_START + 63,
5760
5761   EL_CUSTOM_START + 64,
5762   EL_CUSTOM_START + 65,
5763   EL_CUSTOM_START + 66,
5764   EL_CUSTOM_START + 67,
5765
5766   EL_CUSTOM_START + 68,
5767   EL_CUSTOM_START + 69,
5768   EL_CUSTOM_START + 70,
5769   EL_CUSTOM_START + 71,
5770
5771   EL_CUSTOM_START + 72,
5772   EL_CUSTOM_START + 73,
5773   EL_CUSTOM_START + 74,
5774   EL_CUSTOM_START + 75,
5775
5776   EL_CUSTOM_START + 76,
5777   EL_CUSTOM_START + 77,
5778   EL_CUSTOM_START + 78,
5779   EL_CUSTOM_START + 79,
5780
5781   EL_CUSTOM_START + 80,
5782   EL_CUSTOM_START + 81,
5783   EL_CUSTOM_START + 82,
5784   EL_CUSTOM_START + 83,
5785
5786   EL_CUSTOM_START + 84,
5787   EL_CUSTOM_START + 85,
5788   EL_CUSTOM_START + 86,
5789   EL_CUSTOM_START + 87,
5790
5791   EL_CUSTOM_START + 88,
5792   EL_CUSTOM_START + 89,
5793   EL_CUSTOM_START + 90,
5794   EL_CUSTOM_START + 91,
5795
5796   EL_CUSTOM_START + 92,
5797   EL_CUSTOM_START + 93,
5798   EL_CUSTOM_START + 94,
5799   EL_CUSTOM_START + 95,
5800
5801   EL_CUSTOM_START + 96,
5802   EL_CUSTOM_START + 97,
5803   EL_CUSTOM_START + 98,
5804   EL_CUSTOM_START + 99,
5805
5806   EL_CUSTOM_START + 100,
5807   EL_CUSTOM_START + 101,
5808   EL_CUSTOM_START + 102,
5809   EL_CUSTOM_START + 103,
5810
5811   EL_CUSTOM_START + 104,
5812   EL_CUSTOM_START + 105,
5813   EL_CUSTOM_START + 106,
5814   EL_CUSTOM_START + 107,
5815
5816   EL_CUSTOM_START + 108,
5817   EL_CUSTOM_START + 109,
5818   EL_CUSTOM_START + 110,
5819   EL_CUSTOM_START + 111,
5820
5821   EL_CUSTOM_START + 112,
5822   EL_CUSTOM_START + 113,
5823   EL_CUSTOM_START + 114,
5824   EL_CUSTOM_START + 115,
5825
5826   EL_CUSTOM_START + 116,
5827   EL_CUSTOM_START + 117,
5828   EL_CUSTOM_START + 118,
5829   EL_CUSTOM_START + 119,
5830
5831   EL_CUSTOM_START + 120,
5832   EL_CUSTOM_START + 121,
5833   EL_CUSTOM_START + 122,
5834   EL_CUSTOM_START + 123,
5835
5836   EL_CUSTOM_START + 124,
5837   EL_CUSTOM_START + 125,
5838   EL_CUSTOM_START + 126,
5839   EL_CUSTOM_START + 127,
5840
5841   EL_CUSTOM_START + 128,
5842   EL_CUSTOM_START + 129,
5843   EL_CUSTOM_START + 130,
5844   EL_CUSTOM_START + 131,
5845
5846   EL_CUSTOM_START + 132,
5847   EL_CUSTOM_START + 133,
5848   EL_CUSTOM_START + 134,
5849   EL_CUSTOM_START + 135,
5850
5851   EL_CUSTOM_START + 136,
5852   EL_CUSTOM_START + 137,
5853   EL_CUSTOM_START + 138,
5854   EL_CUSTOM_START + 139,
5855
5856   EL_CUSTOM_START + 140,
5857   EL_CUSTOM_START + 141,
5858   EL_CUSTOM_START + 142,
5859   EL_CUSTOM_START + 143,
5860
5861   EL_CUSTOM_START + 144,
5862   EL_CUSTOM_START + 145,
5863   EL_CUSTOM_START + 146,
5864   EL_CUSTOM_START + 147,
5865
5866   EL_CUSTOM_START + 148,
5867   EL_CUSTOM_START + 149,
5868   EL_CUSTOM_START + 150,
5869   EL_CUSTOM_START + 151,
5870
5871   EL_CUSTOM_START + 152,
5872   EL_CUSTOM_START + 153,
5873   EL_CUSTOM_START + 154,
5874   EL_CUSTOM_START + 155,
5875
5876   EL_CUSTOM_START + 156,
5877   EL_CUSTOM_START + 157,
5878   EL_CUSTOM_START + 158,
5879   EL_CUSTOM_START + 159,
5880
5881   EL_CUSTOM_START + 160,
5882   EL_CUSTOM_START + 161,
5883   EL_CUSTOM_START + 162,
5884   EL_CUSTOM_START + 163,
5885
5886   EL_CUSTOM_START + 164,
5887   EL_CUSTOM_START + 165,
5888   EL_CUSTOM_START + 166,
5889   EL_CUSTOM_START + 167,
5890
5891   EL_CUSTOM_START + 168,
5892   EL_CUSTOM_START + 169,
5893   EL_CUSTOM_START + 170,
5894   EL_CUSTOM_START + 171,
5895
5896   EL_CUSTOM_START + 172,
5897   EL_CUSTOM_START + 173,
5898   EL_CUSTOM_START + 174,
5899   EL_CUSTOM_START + 175,
5900
5901   EL_CUSTOM_START + 176,
5902   EL_CUSTOM_START + 177,
5903   EL_CUSTOM_START + 178,
5904   EL_CUSTOM_START + 179,
5905
5906   EL_CUSTOM_START + 180,
5907   EL_CUSTOM_START + 181,
5908   EL_CUSTOM_START + 182,
5909   EL_CUSTOM_START + 183,
5910
5911   EL_CUSTOM_START + 184,
5912   EL_CUSTOM_START + 185,
5913   EL_CUSTOM_START + 186,
5914   EL_CUSTOM_START + 187,
5915
5916   EL_CUSTOM_START + 188,
5917   EL_CUSTOM_START + 189,
5918   EL_CUSTOM_START + 190,
5919   EL_CUSTOM_START + 191,
5920
5921   EL_CUSTOM_START + 192,
5922   EL_CUSTOM_START + 193,
5923   EL_CUSTOM_START + 194,
5924   EL_CUSTOM_START + 195,
5925
5926   EL_CUSTOM_START + 196,
5927   EL_CUSTOM_START + 197,
5928   EL_CUSTOM_START + 198,
5929   EL_CUSTOM_START + 199,
5930
5931   EL_CUSTOM_START + 200,
5932   EL_CUSTOM_START + 201,
5933   EL_CUSTOM_START + 202,
5934   EL_CUSTOM_START + 203,
5935
5936   EL_CUSTOM_START + 204,
5937   EL_CUSTOM_START + 205,
5938   EL_CUSTOM_START + 206,
5939   EL_CUSTOM_START + 207,
5940
5941   EL_CUSTOM_START + 208,
5942   EL_CUSTOM_START + 209,
5943   EL_CUSTOM_START + 210,
5944   EL_CUSTOM_START + 211,
5945
5946   EL_CUSTOM_START + 212,
5947   EL_CUSTOM_START + 213,
5948   EL_CUSTOM_START + 214,
5949   EL_CUSTOM_START + 215,
5950
5951   EL_CUSTOM_START + 216,
5952   EL_CUSTOM_START + 217,
5953   EL_CUSTOM_START + 218,
5954   EL_CUSTOM_START + 219,
5955
5956   EL_CUSTOM_START + 220,
5957   EL_CUSTOM_START + 221,
5958   EL_CUSTOM_START + 222,
5959   EL_CUSTOM_START + 223,
5960
5961   EL_CUSTOM_START + 224,
5962   EL_CUSTOM_START + 225,
5963   EL_CUSTOM_START + 226,
5964   EL_CUSTOM_START + 227,
5965
5966   EL_CUSTOM_START + 228,
5967   EL_CUSTOM_START + 229,
5968   EL_CUSTOM_START + 230,
5969   EL_CUSTOM_START + 231,
5970
5971   EL_CUSTOM_START + 232,
5972   EL_CUSTOM_START + 233,
5973   EL_CUSTOM_START + 234,
5974   EL_CUSTOM_START + 235,
5975
5976   EL_CUSTOM_START + 236,
5977   EL_CUSTOM_START + 237,
5978   EL_CUSTOM_START + 238,
5979   EL_CUSTOM_START + 239,
5980
5981   EL_CUSTOM_START + 240,
5982   EL_CUSTOM_START + 241,
5983   EL_CUSTOM_START + 242,
5984   EL_CUSTOM_START + 243,
5985
5986   EL_CUSTOM_START + 244,
5987   EL_CUSTOM_START + 245,
5988   EL_CUSTOM_START + 246,
5989   EL_CUSTOM_START + 247,
5990
5991   EL_CUSTOM_START + 248,
5992   EL_CUSTOM_START + 249,
5993   EL_CUSTOM_START + 250,
5994   EL_CUSTOM_START + 251,
5995
5996   EL_CUSTOM_START + 252,
5997   EL_CUSTOM_START + 253,
5998   EL_CUSTOM_START + 254,
5999   EL_CUSTOM_START + 255
6000 };
6001 static int *editor_hl_custom_ptr = editor_hl_custom;
6002 static int *editor_el_custom_ptr = editor_el_custom;
6003 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
6004 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
6005
6006 static int editor_hl_group[] =
6007 {
6008   EL_INTERNAL_CASCADE_GE_ACTIVE,
6009   EL_CHAR('G'),
6010   EL_CHAR('E'),
6011   EL_EMPTY,
6012 };
6013
6014 static int editor_el_group[] =
6015 {
6016   EL_GROUP_START + 0,
6017   EL_GROUP_START + 1,
6018   EL_GROUP_START + 2,
6019   EL_GROUP_START + 3,
6020
6021   EL_GROUP_START + 4,
6022   EL_GROUP_START + 5,
6023   EL_GROUP_START + 6,
6024   EL_GROUP_START + 7,
6025
6026   EL_GROUP_START + 8,
6027   EL_GROUP_START + 9,
6028   EL_GROUP_START + 10,
6029   EL_GROUP_START + 11,
6030
6031   EL_GROUP_START + 12,
6032   EL_GROUP_START + 13,
6033   EL_GROUP_START + 14,
6034   EL_GROUP_START + 15,
6035
6036   EL_GROUP_START + 16,
6037   EL_GROUP_START + 17,
6038   EL_GROUP_START + 18,
6039   EL_GROUP_START + 19,
6040
6041   EL_GROUP_START + 20,
6042   EL_GROUP_START + 21,
6043   EL_GROUP_START + 22,
6044   EL_GROUP_START + 23,
6045
6046   EL_GROUP_START + 24,
6047   EL_GROUP_START + 25,
6048   EL_GROUP_START + 26,
6049   EL_GROUP_START + 27,
6050
6051   EL_GROUP_START + 28,
6052   EL_GROUP_START + 29,
6053   EL_GROUP_START + 30,
6054   EL_GROUP_START + 31
6055 };
6056 static int *editor_hl_group_ptr = editor_hl_group;
6057 static int *editor_el_group_ptr = editor_el_group;
6058 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
6059 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
6060
6061 static int editor_hl_empty_space[] =
6062 {
6063   EL_INTERNAL_CASCADE_ES_ACTIVE,
6064   EL_CHAR('E'),
6065   EL_CHAR('S'),
6066   EL_EMPTY,
6067 };
6068
6069 static int editor_el_empty_space[] =
6070 {
6071   EL_EMPTY_SPACE_1,
6072   EL_EMPTY_SPACE_2,
6073   EL_EMPTY_SPACE_3,
6074   EL_EMPTY_SPACE_4,
6075
6076   EL_EMPTY_SPACE_5,
6077   EL_EMPTY_SPACE_6,
6078   EL_EMPTY_SPACE_7,
6079   EL_EMPTY_SPACE_8,
6080
6081   EL_EMPTY_SPACE_9,
6082   EL_EMPTY_SPACE_10,
6083   EL_EMPTY_SPACE_11,
6084   EL_EMPTY_SPACE_12,
6085
6086   EL_EMPTY_SPACE_13,
6087   EL_EMPTY_SPACE_14,
6088   EL_EMPTY_SPACE_15,
6089   EL_EMPTY_SPACE_16
6090 };
6091 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
6092 static int *editor_el_empty_space_ptr = editor_el_empty_space;
6093 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
6094 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
6095
6096 static int editor_hl_reference[] =
6097 {
6098   EL_INTERNAL_CASCADE_REF_ACTIVE,
6099   EL_CHAR('R'),
6100   EL_CHAR('E'),
6101   EL_CHAR('F')
6102 };
6103
6104 static int editor_el_reference[] =
6105 {
6106   EL_TRIGGER_PLAYER,
6107   EL_TRIGGER_ELEMENT,
6108   EL_TRIGGER_CE_VALUE,
6109   EL_TRIGGER_CE_SCORE,
6110
6111   EL_SELF,
6112   EL_ANY_ELEMENT,
6113   EL_CURRENT_CE_VALUE,
6114   EL_CURRENT_CE_SCORE,
6115
6116   EL_PREV_CE_8,
6117   EL_PREV_CE_7,
6118   EL_PREV_CE_6,
6119   EL_PREV_CE_5,
6120
6121   EL_PREV_CE_4,
6122   EL_PREV_CE_3,
6123   EL_PREV_CE_2,
6124   EL_PREV_CE_1,
6125
6126   EL_NEXT_CE_1,
6127   EL_NEXT_CE_2,
6128   EL_NEXT_CE_3,
6129   EL_NEXT_CE_4,
6130
6131   EL_NEXT_CE_5,
6132   EL_NEXT_CE_6,
6133   EL_NEXT_CE_7,
6134   EL_NEXT_CE_8,
6135 };
6136 static int *editor_hl_reference_ptr = editor_hl_reference;
6137 static int *editor_el_reference_ptr = editor_el_reference;
6138 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6139 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6140
6141 static int editor_hl_user_defined[] =
6142 {
6143   EL_INTERNAL_CASCADE_USER_ACTIVE,
6144   EL_CHAR('M'),
6145   EL_CHAR('Y'),
6146   EL_EMPTY,
6147 };
6148
6149 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6150 static int *editor_el_user_defined_ptr = NULL;
6151 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6152 static int num_editor_el_user_defined = 0;
6153
6154 static int editor_hl_dynamic[] =
6155 {
6156   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6157   EL_CHAR('U'),
6158   EL_CHAR('S'),
6159   EL_CHAR('E'),
6160 };
6161
6162 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6163 static int *editor_el_dynamic_ptr = NULL;
6164 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6165 static int num_editor_el_dynamic = 0;
6166
6167 static int editor_hl_empty[] = { EL_EMPTY };
6168 static int *editor_el_empty = NULL;     // dynamically allocated
6169
6170 static int *editor_hl_empty_ptr = editor_hl_empty;
6171 static int *editor_el_empty_ptr = NULL;
6172 static int num_editor_hl_empty = 0;
6173 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6174
6175 static boolean use_el_empty = FALSE;
6176
6177 static int *editor_elements = NULL;     // dynamically allocated
6178 static int num_editor_elements = 0;     // dynamically determined
6179
6180 static boolean setup_editor_cascade_never = FALSE;
6181
6182 static boolean setup_editor_el_players                  = TRUE;
6183 static boolean setup_editor_el_boulderdash              = TRUE;
6184 static boolean setup_editor_el_boulderdash_native       = TRUE;
6185 static boolean setup_editor_el_emerald_mine             = TRUE;
6186 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6187 static boolean setup_editor_el_more                     = TRUE;
6188 static boolean setup_editor_el_sokoban                  = TRUE;
6189 static boolean setup_editor_el_supaplex                 = TRUE;
6190 static boolean setup_editor_el_diamond_caves            = TRUE;
6191 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6192 static boolean setup_editor_el_mirror_magic             = TRUE;
6193 static boolean setup_editor_el_deflektor                = TRUE;
6194 static boolean setup_editor_el_chars                    = TRUE;
6195 static boolean setup_editor_el_steel_chars              = TRUE;
6196 static boolean setup_editor_el_custom                   = TRUE;
6197 static boolean setup_editor_el_user_defined             = TRUE;
6198 static boolean setup_editor_el_dynamic                  = TRUE;
6199
6200 static int editor_hl_unused[] = { EL_EMPTY };
6201 static int *editor_hl_unused_ptr = editor_hl_unused;
6202 static int num_editor_hl_unused = 0;
6203
6204 static struct
6205 {
6206   boolean *setup_value;
6207   boolean *setup_cascade_value;
6208
6209   int **headline_list;
6210   int *headline_list_size;
6211
6212   int **element_list;
6213   int *element_list_size;
6214
6215   boolean last_setup_value;
6216 }
6217 editor_elements_info[] =
6218 {
6219   {
6220     &setup_editor_el_players,
6221     &setup_editor_cascade_never,
6222     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6223     &editor_el_players_ptr,             &num_editor_el_players
6224   },
6225   {
6226     &setup_editor_el_boulderdash,
6227     &setup.editor_cascade.el_bd,
6228     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6229     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6230   },
6231   {
6232     &setup_editor_el_boulderdash_native,
6233     &setup.editor_cascade.el_bd_native,
6234     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6235     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6236   },
6237   {
6238     &setup_editor_el_emerald_mine,
6239     &setup.editor_cascade.el_em,
6240     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6241     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6242   },
6243   {
6244     &setup_editor_el_emerald_mine_club,
6245     &setup.editor_cascade.el_emc,
6246     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6247     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6248   },
6249   {
6250     &setup_editor_el_more,
6251     &setup.editor_cascade.el_rnd,
6252     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6253     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6254   },
6255   {
6256     &setup_editor_el_sokoban,
6257     &setup.editor_cascade.el_sb,
6258     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6259     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6260   },
6261   {
6262     &setup_editor_el_supaplex,
6263     &setup.editor_cascade.el_sp,
6264     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6265     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6266   },
6267   {
6268     &setup_editor_el_diamond_caves,
6269     &setup.editor_cascade.el_dc,
6270     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6271     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6272   },
6273   {
6274     &setup_editor_el_dx_boulderdash,
6275     &setup.editor_cascade.el_dx,
6276     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6277     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6278   },
6279   {
6280     &setup_editor_el_mirror_magic,
6281     &setup.editor_cascade.el_mm,
6282     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6283     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6284   },
6285   {
6286     &setup_editor_el_deflektor,
6287     &setup.editor_cascade.el_df,
6288     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6289     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6290   },
6291   {
6292     &setup_editor_el_chars,
6293     &setup.editor_cascade.el_chars,
6294     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6295     &editor_el_chars_ptr,               &num_editor_el_chars
6296   },
6297   {
6298     &setup_editor_el_steel_chars,
6299     &setup.editor_cascade.el_steel_chars,
6300     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6301     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6302   },
6303   {
6304     &setup_editor_el_custom,
6305     &setup.editor_cascade.el_ce,
6306     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6307     &editor_el_custom_ptr,              &num_editor_el_custom
6308   },
6309   {
6310     &setup_editor_el_custom,
6311     &setup.editor_cascade.el_ge,
6312     &editor_hl_group_ptr,               &num_editor_hl_group,
6313     &editor_el_group_ptr,               &num_editor_el_group
6314   },
6315   {
6316     &setup_editor_el_custom,
6317     &setup.editor_cascade.el_es,
6318     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6319     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6320   },
6321   {
6322     &setup_editor_el_custom,
6323     &setup.editor_cascade.el_ref,
6324     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6325     &editor_el_reference_ptr,           &num_editor_el_reference
6326   },
6327   {
6328     &setup_editor_el_user_defined,
6329     &setup.editor_cascade.el_user,
6330     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6331     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6332   },
6333   {
6334     &setup_editor_el_dynamic,
6335     &setup.editor_cascade.el_dynamic,
6336     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6337     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6338   },
6339   {
6340     &use_el_empty,
6341     &use_el_empty,
6342     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6343     &editor_el_empty_ptr,               &num_editor_el_empty,
6344   },
6345   {
6346     NULL,
6347     NULL,
6348     NULL,                               NULL,
6349     NULL,                               NULL
6350   }
6351 };
6352
6353 static struct XY xy_directions[] =
6354 {
6355   { -1,  0 },
6356   { +1,  0 },
6357   {  0, -1 },
6358   {  0, +1 }
6359 };
6360
6361
6362 // ----------------------------------------------------------------------------
6363 // functions
6364 // ----------------------------------------------------------------------------
6365
6366 static int getMaxInfoTextLength(void)
6367 {
6368   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6369 }
6370
6371 static int getTextWidthForGadget(char *text)
6372 {
6373   if (text == NULL)
6374     return 0;
6375
6376   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6377 }
6378
6379 static int getTextWidthForDrawingArea(char *text)
6380 {
6381   if (text == NULL)
6382     return 0;
6383
6384   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
6385 }
6386
6387 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6388 {
6389   return (gi->x + gi->width + getTextWidthForGadget(text));
6390 }
6391
6392 static char *getElementInfoText(int element)
6393 {
6394   char *info_text = NULL;
6395
6396   if (element < MAX_NUM_ELEMENTS)
6397   {
6398     if (strlen(element_info[element].description) > 0)
6399       info_text = element_info[element].description;
6400     else if (element_info[element].custom_description != NULL)
6401       info_text = element_info[element].custom_description;
6402     else if (element_info[element].editor_description != NULL)
6403       info_text = element_info[element].editor_description;
6404   }
6405
6406   if (info_text == NULL)
6407     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6408
6409   return info_text;
6410 }
6411
6412 static char *getElementDescriptionFilenameExt(char *basename)
6413 {
6414   char *elements_subdir = ELEMENTS_DIRECTORY;
6415   static char *elements_subdir2 = NULL;
6416   static char *filename = NULL;
6417
6418   if (elements_subdir2 == NULL)
6419     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6420
6421   checked_free(filename);
6422
6423   // 1st try: look for element description in current level set directory
6424   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6425   if (fileExists(filename))
6426     return filename;
6427
6428   free(filename);
6429
6430   // 2nd try: look for element description in the game's base directory
6431   filename = getPath3(options.docs_directory, elements_subdir, basename);
6432   if (fileExists(filename))
6433     return filename;
6434
6435   return NULL;
6436 }
6437
6438 static char *getElementDescriptionFilename(int element)
6439 {
6440   char basename[MAX_FILENAME_LEN];
6441   char *filename;
6442
6443   // 1st try: look for element description file for exactly this element
6444   sprintf(basename, "%s.txt", element_info[element].token_name);
6445   filename = getElementDescriptionFilenameExt(basename);
6446   if (filename != NULL)
6447     return filename;
6448
6449   // 2nd try: look for element description file for this element's class
6450   sprintf(basename, "%s.txt", element_info[element].class_name);
6451   filename = getElementDescriptionFilenameExt(basename);
6452   if (filename != NULL)
6453     return filename;
6454
6455   // 3rd try: look for generic fallback text file for any element
6456   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6457   if (filename != NULL)
6458     return filename;
6459
6460   return NULL;
6461 }
6462
6463 static boolean suppressBorderElement(void)
6464 {
6465   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6466           lev_fieldx <= MAX_ED_FIELDX &&
6467           lev_fieldy <= MAX_ED_FIELDY);
6468 }
6469
6470 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6471 {
6472   boolean element_found[NUM_FILE_ELEMENTS];
6473   int i, x, y;
6474
6475   // initialize list of used elements to "not used"
6476   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6477     element_found[i] = FALSE;
6478
6479   // find all elements used in current level
6480   for (y = 0; y < lev_fieldy; y++)
6481   {
6482     for (x = 0; x < lev_fieldx; x++)
6483     {
6484       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
6485         continue;
6486
6487       if (IS_MM_WALL(Tile[x][y]))
6488         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
6489       else
6490         element_found[Tile[x][y]] = TRUE;
6491     }
6492   }
6493
6494   *num_elements = 0;
6495
6496   // count number of elements used in current level
6497   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6498     if (element_found[i])
6499       (*num_elements)++;
6500
6501   // add space for up to 3 more elements for padding that may be needed
6502   *num_elements += 3;
6503
6504   // free memory for old list of elements, if needed
6505   checked_free(*elements);
6506
6507   // allocate memory for new list of elements
6508   *elements = checked_malloc(*num_elements * sizeof(int));
6509
6510   *num_elements = 0;
6511
6512   // add all elements used in current level (non-custom/group/empty elements)
6513   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6514     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
6515                               IS_GROUP_ELEMENT(i) ||
6516                               IS_EMPTY_ELEMENT(i)))
6517       (*elements)[(*num_elements)++] = i;
6518
6519   // add all elements used in current level (custom/group/empty elements)
6520   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6521     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
6522                              IS_GROUP_ELEMENT(i) ||
6523                              IS_EMPTY_ELEMENT(i)))
6524       (*elements)[(*num_elements)++] = i;
6525
6526   while (*num_elements % 4)     // pad with empty elements, if needed
6527     (*elements)[(*num_elements)++] = EL_EMPTY;
6528 }
6529
6530 static void ReinitializeElementList_EnableSections(void)
6531 {
6532   // default: enable all element sections
6533
6534   setup_editor_el_players               = TRUE;
6535   setup_editor_el_boulderdash           = TRUE;
6536   setup_editor_el_boulderdash_native    = TRUE;
6537   setup_editor_el_emerald_mine          = TRUE;
6538   setup_editor_el_emerald_mine_club     = TRUE;
6539   setup_editor_el_more                  = TRUE;
6540   setup_editor_el_sokoban               = TRUE;
6541   setup_editor_el_supaplex              = TRUE;
6542   setup_editor_el_diamond_caves         = TRUE;
6543   setup_editor_el_dx_boulderdash        = TRUE;
6544   setup_editor_el_mirror_magic          = TRUE;
6545   setup_editor_el_deflektor             = TRUE;
6546   setup_editor_el_chars                 = TRUE;
6547   setup_editor_el_steel_chars           = TRUE;
6548
6549   setup_editor_el_custom                = TRUE;
6550   setup_editor_el_user_defined          = TRUE;
6551   setup_editor_el_dynamic               = TRUE;
6552
6553   // now disable all element sections not to be displayed
6554
6555   if (!setup.editor.el_classic)
6556   {
6557     setup_editor_el_players             = FALSE;
6558     setup_editor_el_boulderdash         = FALSE;
6559     setup_editor_el_boulderdash_native  = FALSE;
6560     setup_editor_el_emerald_mine        = FALSE;
6561     setup_editor_el_emerald_mine_club   = FALSE;
6562     setup_editor_el_more                = FALSE;
6563     setup_editor_el_sokoban             = FALSE;
6564     setup_editor_el_supaplex            = FALSE;
6565     setup_editor_el_diamond_caves       = FALSE;
6566     setup_editor_el_dx_boulderdash      = FALSE;
6567     setup_editor_el_mirror_magic        = FALSE;
6568     setup_editor_el_deflektor           = FALSE;
6569     setup_editor_el_chars               = FALSE;
6570     setup_editor_el_steel_chars         = FALSE;
6571   }
6572
6573   if (!setup.editor.el_custom)
6574   {
6575     setup_editor_el_custom              = FALSE;
6576   }
6577
6578   if (!setup.editor.el_user_defined)
6579   {
6580     setup_editor_el_user_defined        = FALSE;
6581   }
6582
6583   if (!setup.editor.el_dynamic)
6584   {
6585     setup_editor_el_dynamic             = FALSE;
6586   }
6587
6588   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
6589   {
6590     setup_editor_el_boulderdash_native  = FALSE;
6591     setup_editor_el_mirror_magic        = FALSE;
6592     setup_editor_el_deflektor           = FALSE;
6593   }
6594   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
6595   {
6596     setup_editor_el_players             = FALSE;
6597     setup_editor_el_boulderdash         = FALSE;
6598     setup_editor_el_emerald_mine        = FALSE;
6599     setup_editor_el_emerald_mine_club   = FALSE;
6600     setup_editor_el_more                = FALSE;
6601     setup_editor_el_sokoban             = FALSE;
6602     setup_editor_el_supaplex            = FALSE;
6603     setup_editor_el_diamond_caves       = FALSE;
6604     setup_editor_el_dx_boulderdash      = FALSE;
6605     setup_editor_el_mirror_magic        = FALSE;
6606     setup_editor_el_deflektor           = FALSE;
6607     setup_editor_el_chars               = FALSE;
6608     setup_editor_el_steel_chars         = FALSE;
6609
6610     setup_editor_el_custom              = FALSE;
6611   }
6612   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
6613   {
6614     setup_editor_el_boulderdash         = FALSE;
6615     setup_editor_el_boulderdash_native  = FALSE;
6616     setup_editor_el_more                = FALSE;
6617     setup_editor_el_sokoban             = FALSE;
6618     setup_editor_el_supaplex            = FALSE;
6619     setup_editor_el_diamond_caves       = FALSE;
6620     setup_editor_el_dx_boulderdash      = FALSE;
6621     setup_editor_el_mirror_magic        = FALSE;
6622     setup_editor_el_deflektor           = FALSE;
6623     setup_editor_el_steel_chars         = FALSE;
6624
6625     setup_editor_el_custom              = FALSE;
6626   }
6627   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
6628   {
6629     setup_editor_el_players             = FALSE;
6630     setup_editor_el_boulderdash         = FALSE;
6631     setup_editor_el_boulderdash_native  = FALSE;
6632     setup_editor_el_emerald_mine        = FALSE;
6633     setup_editor_el_emerald_mine_club   = FALSE;
6634     setup_editor_el_more                = FALSE;
6635     setup_editor_el_sokoban             = FALSE;
6636     setup_editor_el_diamond_caves       = FALSE;
6637     setup_editor_el_dx_boulderdash      = FALSE;
6638     setup_editor_el_mirror_magic        = FALSE;
6639     setup_editor_el_deflektor           = FALSE;
6640     setup_editor_el_chars               = FALSE;
6641     setup_editor_el_steel_chars         = FALSE;
6642
6643     setup_editor_el_custom              = FALSE;
6644   }
6645   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
6646   {
6647     setup_editor_el_players             = FALSE;
6648     setup_editor_el_boulderdash         = FALSE;
6649     setup_editor_el_boulderdash_native  = FALSE;
6650     setup_editor_el_emerald_mine        = FALSE;
6651     setup_editor_el_emerald_mine_club   = FALSE;
6652     setup_editor_el_more                = FALSE;
6653     setup_editor_el_sokoban             = FALSE;
6654     setup_editor_el_supaplex            = FALSE;
6655     setup_editor_el_diamond_caves       = FALSE;
6656     setup_editor_el_dx_boulderdash      = FALSE;
6657     setup_editor_el_steel_chars         = FALSE;
6658
6659     setup_editor_el_custom              = FALSE;
6660   }
6661 }
6662
6663 static void ReinitializeElementList(void)
6664 {
6665   static boolean initialization_needed = TRUE;
6666   int pos = 0;
6667   int i, j;
6668
6669   ReinitializeElementList_EnableSections();
6670
6671   if (initialization_needed)
6672   {
6673     LoadSetup_EditorCascade();          // load last editor cascade state
6674
6675     // initialize editor cascade element from saved cascade state
6676     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6677     {
6678       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
6679       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
6680
6681       if (IS_EDITOR_CASCADE(*cascade_element))
6682         *cascade_element =
6683           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
6684            EL_CASCADE_INACTIVE(*cascade_element));
6685     }
6686
6687     initialization_needed = FALSE;
6688   }
6689
6690   checked_free(editor_elements);
6691
6692   // reload optional user defined element list for each invocation of editor
6693   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
6694                                    &num_editor_el_user_defined);
6695
6696   // initialize dynamic level element list for each invocation of editor
6697   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
6698                                &num_editor_el_dynamic);
6699
6700   // initialize list of empty elements (used for padding, if needed)
6701   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6702     editor_el_empty[i] = EL_EMPTY;
6703
6704   // do some sanity checks for each element from element list
6705   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6706   {
6707     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6708     {
6709       int element = (*editor_elements_info[i].element_list)[j];
6710
6711       if (element >= NUM_FILE_ELEMENTS)
6712         Warn("editor element %d is runtime element", element);
6713
6714       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
6715         Warn("no element description text for element %d", element);
6716     }
6717   }
6718
6719   num_editor_elements = 0;
6720   use_el_empty = FALSE;
6721
6722   // determine size of element list
6723   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6724   {
6725     if (*editor_elements_info[i].setup_value)
6726     {
6727       boolean found_inactive_cascade = FALSE;
6728
6729       if (setup.editor.el_headlines)
6730       {
6731         // required for correct padding of palette headline buttons
6732         if (*editor_elements_info[i].headline_list_size > 0)
6733           num_editor_elements += ED_ELEMENTLIST_COLS;
6734
6735         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6736         {
6737           int element = (*editor_elements_info[i].headline_list)[j];
6738
6739           if (IS_EDITOR_CASCADE_INACTIVE(element))
6740             found_inactive_cascade = TRUE;
6741         }
6742       }
6743
6744       if (found_inactive_cascade)
6745         continue;
6746
6747       // required for correct padding of palette element buttons
6748       int element_list_size = *editor_elements_info[i].element_list_size;
6749       int element_rows =
6750         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6751       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6752
6753       num_editor_elements += element_buttons;
6754     }
6755   }
6756
6757   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
6758   {
6759     // offer at least as many elements as element buttons exist
6760     use_el_empty = TRUE;
6761     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
6762
6763     num_editor_elements += num_editor_el_empty;
6764   }
6765   else
6766   {
6767     num_editor_el_empty = 0;
6768   }
6769
6770   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
6771
6772   // fill element list
6773   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6774   {
6775     boolean found_inactive_cascade = FALSE;
6776
6777     if (*editor_elements_info[i].setup_value)
6778     {
6779       if (setup.editor.el_headlines)
6780       {
6781         // required for correct padding of palette headline buttons
6782         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
6783                              ED_ELEMENTLIST_COLS : 0);
6784
6785         for (j = 0; j < headline_size; j++)
6786         {
6787           // use empty elements for padding of palette headline buttons
6788           int element = (j < *editor_elements_info[i].headline_list_size ?
6789                          (*editor_elements_info[i].headline_list)[j] :
6790                          editor_el_empty[0]);
6791
6792           editor_elements[pos++] = element;
6793
6794           if (IS_EDITOR_CASCADE_INACTIVE(element))
6795             found_inactive_cascade = TRUE;
6796         }
6797       }
6798
6799       if (found_inactive_cascade)
6800         continue;
6801
6802       // required for correct padding of palette element buttons
6803       int element_list_size = *editor_elements_info[i].element_list_size;
6804       int element_rows =
6805         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6806       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6807
6808       // copy all elements from element list
6809       for (j = 0; j < element_list_size; j++)
6810         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
6811
6812       // use empty elements for padding of palette element buttons
6813       for (j = 0; j < element_buttons - element_list_size; j++)
6814         editor_elements[pos++] = editor_el_empty[0];
6815     }
6816   }
6817
6818   // (this function is also called before editor gadgets are initialized!)
6819   AdjustElementListScrollbar();
6820 }
6821
6822 void PrintEditorElementList(void)
6823 {
6824   boolean *stop = &setup_editor_el_user_defined;
6825   int i, j;
6826
6827   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
6828   {
6829     int cascade_element = (*editor_elements_info[i].headline_list)[0];
6830
6831     if (IS_EDITOR_CASCADE(cascade_element))
6832     {
6833       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
6834       char *headline = element_info[cascade_element_show].editor_description;
6835
6836       PrintLineWithPrefix("# ", "-", 77);
6837       Print("# %s\n", headline);
6838       PrintLineWithPrefix("# ", "-", 77);
6839     }
6840
6841     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6842     {
6843       int element = (*editor_elements_info[i].headline_list)[j];
6844
6845       if (IS_EDITOR_CASCADE(element))
6846         element = EL_CHAR_MINUS;
6847
6848       Print("# %s\n", element_info[element].token_name);
6849     }
6850
6851     if (j > 0)
6852       Print("#\n");
6853
6854     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6855     {
6856       int element = (*editor_elements_info[i].element_list)[j];
6857
6858       Print("# %s\n", element_info[element].token_name);
6859     }
6860
6861     if (j > 0)
6862       Print("#\n");
6863   }
6864 }
6865
6866 static void ReinitializeElementListButtons(void)
6867 {
6868   static boolean last_setup_value_headlines = FALSE;
6869   static boolean initialization_needed = TRUE;
6870   int i;
6871
6872   if (!initialization_needed)   // check if editor element setup has changed
6873   {
6874     if (last_setup_value_headlines != setup.editor.el_headlines)
6875       initialization_needed = TRUE;
6876
6877     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6878       if (editor_elements_info[i].last_setup_value !=
6879           *editor_elements_info[i].setup_value)
6880         initialization_needed = TRUE;
6881   }
6882
6883   if (!initialization_needed)
6884     return;
6885
6886   FreeLevelEditorGadgets();
6887   CreateLevelEditorGadgets();
6888
6889   // store current setup values for next invocation of this function
6890   last_setup_value_headlines = setup.editor.el_headlines;
6891   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6892     editor_elements_info[i].last_setup_value =
6893       *editor_elements_info[i].setup_value;
6894
6895   initialization_needed = FALSE;
6896 }
6897
6898 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
6899                               boolean input)
6900 {
6901   int border_graphic =
6902     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
6903   struct GraphicInfo *g = &graphic_info[border_graphic];
6904   Bitmap *src_bitmap = g->bitmap;
6905   int src_x = g->src_x;
6906   int src_y = g->src_y;
6907   int border_size = g->border_size;
6908   int border_xpos = g->width  - border_size;
6909   int border_ypos = g->height - border_size;
6910   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6911   int i;
6912
6913   BlitBitmap(src_bitmap, drawto, src_x, src_y,
6914              border_size, border_size,
6915              dest_x - border_size, dest_y - border_size);
6916   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
6917              border_size, border_size,
6918              dest_x + width, dest_y - border_size);
6919   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
6920              border_size, border_size,
6921              dest_x - border_size, dest_y + height);
6922   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
6923              border_size, border_size,
6924              dest_x + width, dest_y + height);
6925
6926   for (i = 0; i < width / tilesize; i++)
6927   {
6928     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
6929                tilesize, border_size,
6930                dest_x + i * tilesize, dest_y - border_size);
6931     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
6932                tilesize, border_size,
6933                dest_x + i * tilesize, dest_y + height);
6934   }
6935
6936   for (i = 0; i < height / tilesize; i++)
6937   {
6938     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
6939                border_size, tilesize,
6940                dest_x - border_size, dest_y + i * tilesize);
6941     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
6942                border_size, tilesize,
6943                dest_x + width, dest_y + i * tilesize);
6944   }
6945
6946   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
6947 }
6948
6949 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
6950 {
6951   int xsize_tile = MAX(ed_tilesize, xsize);
6952   int ysize_tile = MAX(ed_tilesize, ysize);
6953   int xsize_full = xsize + 1;
6954   int ysize_full = ysize + 1;
6955   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
6956   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
6957   Pixel line_color = getTabulatorBarColor();
6958
6959   if (line_color == BLACK_PIXEL)                // black => transparent
6960     return;
6961
6962   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6963   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6964   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6965 }
6966
6967 static void DrawEditorLevelBorderLinesIfNeeded(void)
6968 {
6969   int xsize = lev_fieldx * ed_tilesize;
6970   int ysize = lev_fieldy * ed_tilesize;
6971   int line_size = getTabulatorBarHeight();
6972
6973   if (!suppressBorderElement())
6974     return;
6975
6976   // draw little border line around editable level playfield
6977
6978   if (xsize < SXSIZE)
6979     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6980
6981   if (ysize < SYSIZE)
6982     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6983
6984   if (xsize < SXSIZE && ysize < SYSIZE)
6985     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6986 }
6987
6988 static void DrawEditorElement(int x, int y, int element)
6989 {
6990   DrawSizedElement(x, y, element, ed_tilesize);
6991 }
6992
6993 static void DrawEditorElementThruMask(int x, int y, int element)
6994 {
6995   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6996 }
6997
6998 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6999 {
7000   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
7001 }
7002
7003 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
7004 {
7005   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
7006   DrawEditorLevelBorderLinesIfNeeded();
7007 }
7008
7009 static void DrawDrawingArea(int id)
7010 {
7011   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7012   int x, y;
7013
7014   int *value = drawingarea_info[id].value;
7015   int area_xsize = drawingarea_info[id].area_xsize;
7016   int area_ysize = drawingarea_info[id].area_ysize;
7017   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7018
7019   for (x = 0; x < area_xsize; x++)
7020     for (y = 0; y < area_ysize; y++)
7021       DrawSizedGraphicExt(drawto,
7022                           gi->x + x * tilesize,
7023                           gi->y + y * tilesize,
7024                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
7025 }
7026
7027 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
7028 {
7029   int x, y;
7030   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
7031   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
7032
7033   BlitBitmap(drawto, drawto,
7034              SX + (dx == -1 ? ed_tilesize : 0),
7035              SY + (dy == -1 ? ed_tilesize : 0),
7036              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
7037              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
7038              SX + (dx == +1 ? ed_tilesize : 0),
7039              SY + (dy == +1 ? ed_tilesize : 0));
7040
7041   if (dx)
7042   {
7043     x = (dx == 1 ? 0 : ed_fieldx - 1);
7044     for (y = 0; y < ed_fieldy; y++)
7045       DrawEditorElementOrWall(x, y, from_x, from_y);
7046   }
7047   else if (dy)
7048   {
7049     y = (dy == 1 ? 0 : ed_fieldy - 1);
7050     for (x = 0; x < ed_fieldx; x++)
7051       DrawEditorElementOrWall(x, y, from_x, from_y);
7052   }
7053
7054   redraw_mask |= REDRAW_FIELD;
7055   BackToFront();
7056 }
7057
7058 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7059                                    int *x, int *y)
7060 {
7061   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
7062 }
7063
7064 static void CreateControlButtons(void)
7065 {
7066   struct GadgetInfo *gi;
7067   int i;
7068
7069   // create toolbox buttons
7070   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7071   {
7072     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7073     int id = controlbutton_info[i].gadget_id;
7074     int type = controlbutton_info[i].gadget_type;
7075     int graphic = controlbutton_info[i].graphic;
7076     struct XYTileSize *pos = controlbutton_info[i].pos;
7077     struct GraphicInfo *gd = &graphic_info[graphic];
7078     Bitmap *deco_bitmap = NULL;
7079     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7080     int tile_size = 0, deco_shift = 0;
7081     boolean deco_masked = FALSE;
7082     int gd_x1 = gd->src_x;
7083     int gd_y1 = gd->src_y;
7084     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7085     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7086     int gd_x1a = gd->src_x + gd->active_xoffset;
7087     int gd_y1a = gd->src_y + gd->active_yoffset;
7088     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7089     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7090     int x = pos->x;
7091     int y = pos->y;
7092     unsigned int event_mask;
7093     int radio_button_nr = RADIO_NR_NONE;
7094     boolean checked = FALSE;
7095
7096     if (type_id != i)
7097       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7098
7099     if (type == GD_TYPE_RADIO_BUTTON)
7100     {
7101       event_mask = GD_EVENT_PRESSED;
7102       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7103
7104       if (id == drawing_function)
7105         checked = TRUE;
7106     }
7107     else
7108     {
7109       if (id == GADGET_ID_WRAP_LEFT ||
7110           id == GADGET_ID_WRAP_RIGHT ||
7111           id == GADGET_ID_WRAP_UP ||
7112           id == GADGET_ID_WRAP_DOWN)
7113         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7114       else
7115         event_mask = GD_EVENT_RELEASED;
7116     }
7117
7118     if (id == GADGET_ID_PROPERTIES ||
7119         id == GADGET_ID_PALETTE)
7120     {
7121       x += DX;
7122       y += DY;
7123     }
7124     else if (id == GADGET_ID_ELEMENT_LEFT ||
7125              id == GADGET_ID_ELEMENT_MIDDLE ||
7126              id == GADGET_ID_ELEMENT_RIGHT)
7127     {
7128       x += DX;
7129       y += DY;
7130
7131       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7132                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7133                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7134
7135       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7136                                    editor.button.element_left.tile_size :
7137                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7138                                    editor.button.element_middle.tile_size :
7139                                    id == GADGET_ID_ELEMENT_RIGHT ?
7140                                    editor.button.element_right.tile_size : 0);
7141
7142       // make sure that decoration does not overlap gadget border
7143       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7144
7145       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7146
7147       deco_xpos = (gd->width  - tile_size) / 2;
7148       deco_ypos = (gd->height - tile_size) / 2;
7149       deco_shift = 1;
7150       deco_masked = gd->draw_masked;
7151     }
7152     else
7153     {
7154       x += EX;
7155       y += EY;
7156     }
7157
7158     gi = CreateGadget(GDI_CUSTOM_ID, id,
7159                       GDI_CUSTOM_TYPE_ID, type_id,
7160                       GDI_IMAGE_ID, graphic,
7161                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7162                       GDI_X, x,
7163                       GDI_Y, y,
7164                       GDI_WIDTH, gd->width,
7165                       GDI_HEIGHT, gd->height,
7166                       GDI_TYPE, type,
7167                       GDI_STATE, GD_BUTTON_UNPRESSED,
7168                       GDI_RADIO_NR, radio_button_nr,
7169                       GDI_CHECKED, checked,
7170                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7171                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7172                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7173                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7174                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7175                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7176                       GDI_DECORATION_SIZE, tile_size, tile_size,
7177                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7178                       GDI_DECORATION_MASKED, deco_masked,
7179                       GDI_EVENT_MASK, event_mask,
7180                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7181                       GDI_CALLBACK_ACTION, HandleControlButtons,
7182                       GDI_END);
7183
7184     if (gi == NULL)
7185       Fail("cannot create gadget");
7186
7187     level_editor_gadget[id] = gi;
7188   }
7189
7190   // these values are not constant, but can change at runtime
7191   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7192   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7193   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7194   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7195   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7196   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7197   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7198   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7199   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7200   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7201   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7202   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7203
7204   // create buttons for scrolling of drawing area and element list
7205   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7206   {
7207     int id = scrollbutton_info[i].gadget_id;
7208     int type_id = scrollbutton_info[i].gadget_type_id;
7209     int graphic = scrollbutton_info[i].graphic;
7210     struct GraphicInfo *gd = &graphic_info[graphic];
7211     Bitmap *gd_bitmap = gd->bitmap;
7212     int gd_x1 = gd->src_x;
7213     int gd_y1 = gd->src_y;
7214     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7215     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7216     int width  = gd->width;
7217     int height = gd->height;
7218     int x = scrollbutton_pos[i].x;
7219     int y = scrollbutton_pos[i].y;
7220     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7221
7222     if (type_id != i)
7223       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7224
7225     if (id == GADGET_ID_SCROLL_LIST_UP ||
7226         id == GADGET_ID_SCROLL_LIST_DOWN)
7227     {
7228       x += PX;
7229       y += PY;
7230     }
7231     else
7232     {
7233       x += SX;
7234       y += SY;
7235     }
7236
7237     gi = CreateGadget(GDI_CUSTOM_ID, id,
7238                       GDI_CUSTOM_TYPE_ID, type_id,
7239                       GDI_IMAGE_ID, graphic,
7240                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7241                       GDI_X, x,
7242                       GDI_Y, y,
7243                       GDI_WIDTH, width,
7244                       GDI_HEIGHT, height,
7245                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7246                       GDI_STATE, GD_BUTTON_UNPRESSED,
7247                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7248                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7249                       GDI_EVENT_MASK, event_mask,
7250                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7251                       GDI_CALLBACK_ACTION, HandleControlButtons,
7252                       GDI_END);
7253
7254     if (gi == NULL)
7255       Fail("cannot create gadget");
7256
7257     level_editor_gadget[id] = gi;
7258   }
7259
7260   // create buttons for element list
7261   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7262   {
7263     int type_id = i;
7264     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7265     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7266     struct GraphicInfo *gd = &graphic_info[graphic];
7267     Bitmap *gd_bitmap = gd->bitmap;
7268     Bitmap *deco_bitmap;
7269     int deco_x, deco_y, deco_xpos, deco_ypos;
7270     int gd_x1 = gd->src_x;
7271     int gd_y1 = gd->src_y;
7272     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7273     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7274     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7275     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7276     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7277     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7278     int element = editor_elements[i];
7279     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7280     unsigned int event_mask = GD_EVENT_RELEASED;
7281
7282     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7283
7284     deco_xpos = (gd->width  - tile_size) / 2;
7285     deco_ypos = (gd->height - tile_size) / 2;
7286
7287     gi = CreateGadget(GDI_CUSTOM_ID, id,
7288                       GDI_CUSTOM_TYPE_ID, type_id,
7289                       GDI_IMAGE_ID, graphic,
7290                       GDI_INFO_TEXT, getElementInfoText(element),
7291                       GDI_X, x,
7292                       GDI_Y, y,
7293                       GDI_WIDTH, gd->width,
7294                       GDI_HEIGHT, gd->height,
7295                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7296                       GDI_STATE, GD_BUTTON_UNPRESSED,
7297                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7298                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7299                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7300                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7301                       GDI_DECORATION_SIZE, tile_size, tile_size,
7302                       GDI_DECORATION_SHIFTING, 1, 1,
7303                       GDI_EVENT_MASK, event_mask,
7304                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7305                       GDI_CALLBACK_ACTION, HandleControlButtons,
7306                       GDI_END);
7307
7308     if (gi == NULL)
7309       Fail("cannot create gadget");
7310
7311     level_editor_gadget[id] = gi;
7312   }
7313 }
7314
7315 static void CreateCounterButtons(void)
7316 {
7317   int max_infotext_len = getMaxInfoTextLength();
7318   int i;
7319
7320   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7321   {
7322     int type_id = counterbutton_info[i].gadget_type_id;
7323     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7324     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7325     int j;
7326
7327     if (type_id != i)
7328       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7329
7330     // determine horizontal position to the right of specified gadget
7331     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7332       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7333            ED_GADGET_TEXT_DISTANCE);
7334
7335     // determine horizontal offset for leading text
7336     if (counterbutton_info[i].text_left != NULL)
7337       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7338
7339     for (j = 0; j < 2; j++)
7340     {
7341       struct GadgetInfo *gi;
7342       int id = (j == 0 ?
7343                 counterbutton_info[i].gadget_id_down :
7344                 counterbutton_info[i].gadget_id_up);
7345       int graphic;
7346       struct GraphicInfo *gd;
7347       int gd_x1, gd_x2, gd_y1, gd_y2;
7348       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7349       char infotext[max_infotext_len + 1];
7350
7351       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7352       {
7353         graphic = (j == 0 ?
7354                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7355                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7356
7357         event_mask |= GD_EVENT_RELEASED;
7358
7359         if (j == 0)
7360         {
7361           x = DX + editor.button.prev_level.x;
7362           y = DY + editor.button.prev_level.y;
7363         }
7364         else
7365         {
7366           x = DX + editor.button.next_level.x;
7367           y = DY + editor.button.next_level.y;
7368         }
7369       }
7370       else
7371       {
7372         graphic = (j == 0 ?
7373                    IMG_EDITOR_COUNTER_DOWN :
7374                    IMG_EDITOR_COUNTER_UP);
7375       }
7376
7377       gd = &graphic_info[graphic];
7378
7379       gd_x1 = gd->src_x;
7380       gd_y1 = gd->src_y;
7381       gd_x2 = gd->src_x + gd->pressed_xoffset;
7382       gd_y2 = gd->src_y + gd->pressed_yoffset;
7383
7384       sprintf(infotext, "%s counter value by 1, 5 or 10",
7385               (j == 0 ? "decrease" : "increase"));
7386
7387       gi = CreateGadget(GDI_CUSTOM_ID, id,
7388                         GDI_CUSTOM_TYPE_ID, type_id,
7389                         GDI_IMAGE_ID, graphic,
7390                         GDI_INFO_TEXT, infotext,
7391                         GDI_X, x,
7392                         GDI_Y, y,
7393                         GDI_WIDTH, gd->width,
7394                         GDI_HEIGHT, gd->height,
7395                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7396                         GDI_STATE, GD_BUTTON_UNPRESSED,
7397                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7398                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7399                         GDI_EVENT_MASK, event_mask,
7400                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7401                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7402                         GDI_END);
7403
7404       if (gi == NULL)
7405         Fail("cannot create gadget");
7406
7407       level_editor_gadget[id] = gi;
7408       right_gadget_border[id] =
7409         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7410
7411       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7412
7413       if (j == 0)
7414       {
7415         int font_type = FONT_INPUT_1;
7416         int font_type_active = FONT_INPUT_1_ACTIVE;
7417
7418         id = counterbutton_info[i].gadget_id_text;
7419
7420         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7421
7422         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7423         {
7424           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7425
7426           font_type = FONT_LEVEL_NUMBER;
7427           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7428
7429           x = DX + editor.input.level_number.x;
7430           y = DY + editor.input.level_number.y;
7431         }
7432         else
7433         {
7434           graphic = IMG_EDITOR_COUNTER_INPUT;
7435         }
7436
7437         gd = &graphic_info[graphic];
7438
7439         gd_x1 = gd->src_x;
7440         gd_y1 = gd->src_y;
7441         gd_x2 = gd->src_x + gd->active_xoffset;
7442         gd_y2 = gd->src_y + gd->active_yoffset;
7443
7444         gi = CreateGadget(GDI_CUSTOM_ID, id,
7445                           GDI_CUSTOM_TYPE_ID, type_id,
7446                           GDI_IMAGE_ID, graphic,
7447                           GDI_INFO_TEXT, "enter counter value",
7448                           GDI_X, x,
7449                           GDI_Y, y,
7450                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
7451                           GDI_NUMBER_VALUE, 0,
7452                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
7453                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
7454                           GDI_TEXT_SIZE, 3,     // minimal counter text size
7455                           GDI_TEXT_FONT, font_type,
7456                           GDI_TEXT_FONT_ACTIVE, font_type_active,
7457                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7458                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7459                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7460                           GDI_DESIGN_WIDTH, gd->width,
7461                           GDI_EVENT_MASK, event_mask,
7462                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7463                           GDI_CALLBACK_ACTION, HandleCounterButtons,
7464                           GDI_END);
7465
7466         if (gi == NULL)
7467           Fail("cannot create gadget");
7468
7469         level_editor_gadget[id] = gi;
7470         right_gadget_border[id] =
7471           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7472
7473         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
7474       }
7475     }
7476   }
7477 }
7478
7479 static void CreateDrawingAreas(void)
7480 {
7481   int i;
7482
7483   // these values are not constant, but can change at runtime
7484   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
7485   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
7486
7487   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
7488   {
7489     struct GadgetInfo *gi;
7490     int id = drawingarea_info[i].gadget_id;
7491     int type_id = drawingarea_info[i].gadget_type_id;
7492     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
7493     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
7494     int area_xsize = drawingarea_info[i].area_xsize;
7495     int area_ysize = drawingarea_info[i].area_ysize;
7496     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
7497                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
7498     unsigned int event_mask =
7499       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
7500       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
7501
7502     if (type_id != i)
7503       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
7504
7505     // determine horizontal position to the right of specified gadget
7506     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
7507       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
7508            ED_DRAWINGAREA_TEXT_DISTANCE);
7509
7510     // determine horizontal offset for leading text
7511     if (drawingarea_info[i].text_left != NULL)
7512       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
7513
7514     gi = CreateGadget(GDI_CUSTOM_ID, id,
7515                       GDI_CUSTOM_TYPE_ID, type_id,
7516                       GDI_X, x,
7517                       GDI_Y, y,
7518                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
7519                       GDI_AREA_SIZE, area_xsize, area_ysize,
7520                       GDI_ITEM_SIZE, item_size, item_size,
7521                       GDI_EVENT_MASK, event_mask,
7522                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
7523                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
7524                       GDI_END);
7525
7526     if (gi == NULL)
7527       Fail("cannot create gadget");
7528
7529     level_editor_gadget[id] = gi;
7530     right_gadget_border[id] =
7531       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
7532   }
7533 }
7534
7535 static void CreateTextInputGadgets(void)
7536 {
7537   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
7538   int max_infotext_len = getMaxInfoTextLength();
7539   int i;
7540
7541   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
7542   {
7543     int gd_x1 = gd->src_x;
7544     int gd_y1 = gd->src_y;
7545     int gd_x2 = gd->src_x + gd->active_xoffset;
7546     int gd_y2 = gd->src_y + gd->active_yoffset;
7547     struct GadgetInfo *gi;
7548     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7549     char infotext[MAX_OUTPUT_LINESIZE + 1];
7550     int id = textinput_info[i].gadget_id;
7551     int type_id = textinput_info[i].gadget_type_id;
7552     int x, y;
7553
7554     if (type_id != i)
7555       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
7556
7557     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
7558     {
7559       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
7560       int border_size = gd->border_size;
7561       int font_nr = FONT_INPUT_1;
7562       int font_height = getFontHeight(font_nr);
7563       int xoffset = element_border + TILEX + element_border + 3 * border_size;
7564       int yoffset = element_border + (TILEY - font_height) / 2;
7565
7566       x = (editor.settings.element_name.x != -1 ?
7567            editor.settings.element_name.x :
7568            editor.settings.element_graphic.x + xoffset) - border_size;
7569       y = (editor.settings.element_name.y != -1 ?
7570            editor.settings.element_name.y :
7571            editor.settings.element_graphic.y + yoffset) - border_size;
7572     }
7573     else
7574     {
7575       x = ED_SETTINGS_X(textinput_info[i].x);
7576       y = ED_SETTINGS_Y(textinput_info[i].y);
7577     }
7578
7579     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
7580     infotext[max_infotext_len] = '\0';
7581
7582     gi = CreateGadget(GDI_CUSTOM_ID, id,
7583                       GDI_CUSTOM_TYPE_ID, type_id,
7584                       GDI_INFO_TEXT, infotext,
7585                       GDI_X, SX + x,
7586                       GDI_Y, SY + y,
7587                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
7588                       GDI_TEXT_VALUE, textinput_info[i].value,
7589                       GDI_TEXT_SIZE, textinput_info[i].size,
7590                       GDI_TEXT_FONT, FONT_INPUT_1,
7591                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7592                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7593                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7594                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7595                       GDI_DESIGN_WIDTH, gd->width,
7596                       GDI_EVENT_MASK, event_mask,
7597                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7598                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
7599                       GDI_END);
7600
7601     if (gi == NULL)
7602       Fail("cannot create gadget");
7603
7604     level_editor_gadget[id] = gi;
7605   }
7606 }
7607
7608 static void CreateTextAreaGadgets(void)
7609 {
7610   int max_infotext_len = getMaxInfoTextLength();
7611   int i;
7612
7613   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
7614   {
7615     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
7616     int gd_x1 = gd->src_x;
7617     int gd_y1 = gd->src_y;
7618     int gd_x2 = gd->src_x + gd->active_xoffset;
7619     int gd_y2 = gd->src_y + gd->active_yoffset;
7620     struct GadgetInfo *gi;
7621     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
7622     char infotext[MAX_OUTPUT_LINESIZE + 1];
7623     int id = textarea_info[i].gadget_id;
7624     int type_id = textarea_info[i].gadget_type_id;
7625     int area_xsize = textarea_info[i].xsize;
7626     int area_ysize = textarea_info[i].ysize;
7627
7628     if (type_id != i)
7629       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
7630
7631     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
7632     infotext[max_infotext_len] = '\0';
7633
7634     gi = CreateGadget(GDI_CUSTOM_ID, id,
7635                       GDI_CUSTOM_TYPE_ID, type_id,
7636                       GDI_INFO_TEXT, infotext,
7637                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
7638                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
7639                       GDI_TYPE, GD_TYPE_TEXT_AREA,
7640                       GDI_AREA_SIZE, area_xsize, area_ysize,
7641                       GDI_TEXT_FONT, FONT_INPUT_1,
7642                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7643                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7644                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7645                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7646                       GDI_DESIGN_WIDTH, gd->width,
7647                       GDI_EVENT_MASK, event_mask,
7648                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7649                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
7650                       GDI_END);
7651
7652     if (gi == NULL)
7653       Fail("cannot create gadget");
7654
7655     level_editor_gadget[id] = gi;
7656   }
7657 }
7658
7659 static void CreateSelectboxGadgets(void)
7660 {
7661   int max_infotext_len = getMaxInfoTextLength();
7662   int i, j;
7663
7664   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7665   {
7666     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
7667     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
7668     int gd_x1 = gd->src_x;
7669     int gd_y1 = gd->src_y;
7670     int gd_x2 = gd->src_x + gd->active_xoffset;
7671     int gd_y2 = gd->src_y + gd->active_yoffset;
7672     int selectbox_button_xsize = gd2->width;
7673     struct GadgetInfo *gi;
7674     char infotext[MAX_OUTPUT_LINESIZE + 1];
7675     int id = selectbox_info[i].gadget_id;
7676     int type_id = selectbox_info[i].gadget_type_id;
7677     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
7678     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
7679     unsigned int event_mask =
7680       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7681
7682     if (type_id != i)
7683       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
7684
7685     if (selectbox_info[i].size == -1)   // dynamically determine size
7686     {
7687       // (we cannot use -1 for uninitialized values if we directly compare
7688       // with results from strlen(), because the '<' and '>' operation will
7689       // implicitely cast -1 to an unsigned integer value!)
7690       selectbox_info[i].size = 0;
7691
7692       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
7693         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
7694           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
7695
7696       selectbox_info[i].size++;         // add one character empty space
7697     }
7698
7699     // determine horizontal position to the right of specified gadget
7700     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
7701       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
7702            ED_GADGET_TEXT_DISTANCE);
7703
7704     // determine horizontal offset for leading text
7705     if (selectbox_info[i].text_left != NULL)
7706       x += getTextWidthForGadget(selectbox_info[i].text_left);
7707
7708     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
7709     infotext[max_infotext_len] = '\0';
7710
7711     gi = CreateGadget(GDI_CUSTOM_ID, id,
7712                       GDI_CUSTOM_TYPE_ID, type_id,
7713                       GDI_INFO_TEXT, infotext,
7714                       GDI_X, x,
7715                       GDI_Y, y,
7716                       GDI_TYPE, GD_TYPE_SELECTBOX,
7717                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
7718                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
7719                       GDI_TEXT_SIZE, selectbox_info[i].size,
7720                       GDI_TEXT_FONT, FONT_INPUT_1,
7721                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7722                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
7723                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7724                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7725                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7726                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
7727                       GDI_DESIGN_WIDTH, gd->width,
7728                       GDI_EVENT_MASK, event_mask,
7729                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7730                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
7731                       GDI_END);
7732
7733     if (gi == NULL)
7734       Fail("cannot create gadget");
7735
7736     level_editor_gadget[id] = gi;
7737     right_gadget_border[id] =
7738       getRightGadgetBorder(gi, selectbox_info[i].text_right);
7739   }
7740 }
7741
7742 static void CreateTextbuttonGadgets(void)
7743 {
7744   int max_infotext_len = getMaxInfoTextLength();
7745   int i;
7746
7747   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
7748   {
7749     int id = textbutton_info[i].gadget_id;
7750     int type_id = textbutton_info[i].gadget_type_id;
7751     int is_tab_button =
7752       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
7753        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
7754     int graphic =
7755       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
7756     int gadget_distance =
7757       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
7758     struct GraphicInfo *gd = &graphic_info[graphic];
7759     int gd_x1 = gd->src_x;
7760     int gd_y1 = gd->src_y;
7761     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7762     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7763     int gd_x1a = gd->src_x + gd->active_xoffset;
7764     int gd_y1a = gd->src_y + gd->active_yoffset;
7765     int border_xsize = gd->border_size + gd->draw_xoffset;
7766     int border_ysize = gd->border_size;
7767     struct GadgetInfo *gi;
7768     unsigned int event_mask = GD_EVENT_RELEASED;
7769     char infotext[MAX_OUTPUT_LINESIZE + 1];
7770     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
7771     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
7772
7773     if (type_id != i)
7774       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
7775
7776     if (textbutton_info[i].size == -1)  // dynamically determine size
7777       textbutton_info[i].size = strlen(textbutton_info[i].text);
7778
7779     sprintf(infotext, "%s", textbutton_info[i].infotext);
7780     infotext[max_infotext_len] = '\0';
7781
7782     // determine horizontal position to the right of specified gadget
7783     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7784     {
7785       int gadget_id_align = textbutton_info[i].gadget_id_align;
7786
7787       x = right_gadget_border[gadget_id_align] + gadget_distance;
7788
7789       if (textbutton_info[i].y == -1)
7790         y = level_editor_gadget[gadget_id_align]->y;
7791     }
7792
7793     // determine horizontal offset for leading text
7794     if (textbutton_info[i].text_left != NULL)
7795       x += getTextWidthForGadget(textbutton_info[i].text_left);
7796
7797     gi = CreateGadget(GDI_CUSTOM_ID, id,
7798                       GDI_CUSTOM_TYPE_ID, type_id,
7799                       GDI_IMAGE_ID, graphic,
7800                       GDI_INFO_TEXT, infotext,
7801                       GDI_X, x,
7802                       GDI_Y, y,
7803                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
7804                       GDI_TEXT_VALUE, textbutton_info[i].text,
7805                       GDI_TEXT_SIZE, textbutton_info[i].size,
7806                       GDI_TEXT_FONT, FONT_INPUT_2,
7807                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
7808                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7809                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7810                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7811                       GDI_BORDER_SIZE, border_xsize, border_ysize,
7812                       GDI_DESIGN_WIDTH, gd->width,
7813                       GDI_DECORATION_SHIFTING, 1, 1,
7814                       GDI_EVENT_MASK, event_mask,
7815                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7816                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
7817                       GDI_END);
7818
7819     if (gi == NULL)
7820       Fail("cannot create gadget");
7821
7822     level_editor_gadget[id] = gi;
7823     right_gadget_border[id] =
7824       getRightGadgetBorder(gi, textbutton_info[i].text_right);
7825   }
7826 }
7827
7828 static void CreateGraphicbuttonGadgets(void)
7829 {
7830   struct GadgetInfo *gi;
7831   int i;
7832
7833   // create buttons for scrolling of drawing area and element list
7834   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
7835   {
7836     int id = graphicbutton_info[i].gadget_id;
7837     int type_id = graphicbutton_info[i].gadget_type_id;
7838     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
7839     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
7840     int graphic = graphicbutton_info[i].graphic;
7841     struct GraphicInfo *gd = &graphic_info[graphic];
7842     int gd_x1 = gd->src_x;
7843     int gd_y1 = gd->src_y;
7844     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7845     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7846     unsigned int event_mask = GD_EVENT_RELEASED;
7847
7848     if (type_id != i)
7849       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
7850
7851     // determine horizontal position to the right of specified gadget
7852     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7853       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
7854            ED_GADGET_TEXT_DISTANCE);
7855
7856     // determine horizontal offset for leading text
7857     if (graphicbutton_info[i].text_left != NULL)
7858       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
7859
7860     gi = CreateGadget(GDI_CUSTOM_ID, id,
7861                       GDI_CUSTOM_TYPE_ID, type_id,
7862                       GDI_IMAGE_ID, graphic,
7863                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
7864                       GDI_X, x,
7865                       GDI_Y, y,
7866                       GDI_WIDTH, gd->width,
7867                       GDI_HEIGHT, gd->height,
7868                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7869                       GDI_STATE, GD_BUTTON_UNPRESSED,
7870                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7871                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7872                       GDI_EVENT_MASK, event_mask,
7873                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7874                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
7875                       GDI_END);
7876
7877     if (gi == NULL)
7878       Fail("cannot create gadget");
7879
7880     level_editor_gadget[id] = gi;
7881     right_gadget_border[id] =
7882       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
7883   }
7884 }
7885
7886 static void CreateScrollbarGadgets(void)
7887 {
7888   int i;
7889
7890   // these values are not constant, but can change at runtime
7891   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
7892     SX + ED_SCROLL_HORIZONTAL_XPOS;
7893   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
7894     SY + ED_SCROLL_HORIZONTAL_YPOS;
7895   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
7896     ED_SCROLL_HORIZONTAL_XSIZE;
7897   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
7898     ED_SCROLL_HORIZONTAL_YSIZE;
7899   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
7900   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
7901   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
7902   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
7903
7904   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
7905     SX + ED_SCROLL_VERTICAL_XPOS;
7906   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
7907     SY + ED_SCROLL_VERTICAL_YPOS;
7908   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
7909     ED_SCROLL_VERTICAL_XSIZE;
7910   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
7911     ED_SCROLL_VERTICAL_YSIZE;
7912   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
7913   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
7914   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
7915   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
7916
7917   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
7918     PX + ED_SCROLL2_VERTICAL_XPOS;
7919   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
7920     PY + ED_SCROLL2_VERTICAL_YPOS;
7921   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
7922     ED_SCROLL2_VERTICAL_XSIZE;
7923   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
7924     ED_SCROLL2_VERTICAL_YSIZE;
7925   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
7926   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
7927   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
7928   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
7929
7930   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
7931   {
7932     int id = scrollbar_info[i].gadget_id;
7933     int type_id = scrollbar_info[i].gadget_type_id;
7934     int graphic = scrollbar_info[i].graphic;
7935     struct GraphicInfo *gd = &graphic_info[graphic];
7936     int gd_x1 = gd->src_x;
7937     int gd_y1 = gd->src_y;
7938     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7939     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7940     struct GadgetInfo *gi;
7941     int items_max, items_visible, item_position;
7942     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
7943
7944     if (type_id != i)
7945       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
7946
7947     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
7948     {
7949       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7950       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7951       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7952     }
7953     else        // drawing area scrollbars
7954     {
7955       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
7956       {
7957         items_max = MAX(lev_fieldx + 2, ed_fieldx);
7958         items_visible = ed_fieldx;
7959         item_position = 0;
7960       }
7961       else
7962       {
7963         items_max = MAX(lev_fieldy + 2, ed_fieldy);
7964         items_visible = ed_fieldy;
7965         item_position = 0;
7966       }
7967     }
7968
7969     gi = CreateGadget(GDI_CUSTOM_ID, id,
7970                       GDI_CUSTOM_TYPE_ID, type_id,
7971                       GDI_IMAGE_ID, graphic,
7972                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
7973                       GDI_X, scrollbar_pos[i].x,
7974                       GDI_Y, scrollbar_pos[i].y,
7975                       GDI_WIDTH, scrollbar_pos[i].width,
7976                       GDI_HEIGHT, scrollbar_pos[i].height,
7977                       GDI_TYPE, scrollbar_info[i].type,
7978                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
7979                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7980                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
7981                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
7982                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
7983                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
7984                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
7985                       GDI_STATE, GD_BUTTON_UNPRESSED,
7986                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7987                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7988                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7989                       GDI_EVENT_MASK, event_mask,
7990                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7991                       GDI_CALLBACK_ACTION, HandleControlButtons,
7992                       GDI_END);
7993
7994     if (gi == NULL)
7995       Fail("cannot create gadget");
7996
7997     level_editor_gadget[id] = gi;
7998   }
7999 }
8000
8001 static void CreateCheckbuttonGadgets(void)
8002 {
8003   struct GadgetInfo *gi;
8004   int i;
8005
8006   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8007   {
8008     int id = checkbutton_info[i].gadget_id;
8009     int type_id = checkbutton_info[i].gadget_type_id;
8010     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8011                    IMG_EDITOR_CHECKBOX);
8012     struct GraphicInfo *gd = &graphic_info[graphic];
8013     int gd_x1 = gd->src_x;
8014     int gd_y1 = gd->src_y;
8015     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8016     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8017     int gd_x1a = gd->src_x + gd->active_xoffset;
8018     int gd_y1a = gd->src_y + gd->active_yoffset;
8019     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8020     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8021     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8022     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8023     unsigned int event_mask = GD_EVENT_PRESSED;
8024
8025     if (type_id != i)
8026       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8027
8028     // determine horizontal position to the right of specified gadget
8029     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8030       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8031            ED_GADGET_TEXT_DISTANCE);
8032
8033     // determine horizontal offset for leading text
8034     if (checkbutton_info[i].text_left != NULL)
8035       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8036
8037     gi = CreateGadget(GDI_CUSTOM_ID, id,
8038                       GDI_CUSTOM_TYPE_ID, type_id,
8039                       GDI_IMAGE_ID, graphic,
8040                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8041                       GDI_X, x,
8042                       GDI_Y, y,
8043                       GDI_WIDTH, gd->width,
8044                       GDI_HEIGHT, gd->height,
8045                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8046                       GDI_CHECKED, *checkbutton_info[i].value,
8047                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8048                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8049                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8050                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8051                       GDI_EVENT_MASK, event_mask,
8052                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8053                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8054                       GDI_END);
8055
8056     if (gi == NULL)
8057       Fail("cannot create gadget");
8058
8059     level_editor_gadget[id] = gi;
8060     right_gadget_border[id] =
8061       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8062   }
8063 }
8064
8065 static void CreateRadiobuttonGadgets(void)
8066 {
8067   int graphic = IMG_EDITOR_RADIOBUTTON;
8068   struct GraphicInfo *gd = &graphic_info[graphic];
8069   int gd_x1 = gd->src_x;
8070   int gd_y1 = gd->src_y;
8071   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8072   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8073   int gd_x1a = gd->src_x + gd->active_xoffset;
8074   int gd_y1a = gd->src_y + gd->active_yoffset;
8075   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8076   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8077   struct GadgetInfo *gi;
8078   int i;
8079
8080   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8081   {
8082     int id = radiobutton_info[i].gadget_id;
8083     int type_id = radiobutton_info[i].gadget_type_id;
8084     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8085     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8086     unsigned int event_mask = GD_EVENT_PRESSED;
8087
8088     if (type_id != i)
8089       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8090
8091     int checked =
8092       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8093
8094     // determine horizontal position to the right of specified gadget
8095     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8096       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8097            ED_GADGET_TEXT_DISTANCE);
8098
8099     // determine horizontal offset for leading text
8100     if (radiobutton_info[i].text_left != NULL)
8101       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8102
8103     gi = CreateGadget(GDI_CUSTOM_ID, id,
8104                       GDI_CUSTOM_TYPE_ID, type_id,
8105                       GDI_IMAGE_ID, graphic,
8106                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8107                       GDI_X, x,
8108                       GDI_Y, y,
8109                       GDI_WIDTH, gd->width,
8110                       GDI_HEIGHT, gd->height,
8111                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8112                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8113                       GDI_CHECKED, checked,
8114                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8115                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8116                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8117                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8118                       GDI_EVENT_MASK, event_mask,
8119                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8120                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8121                       GDI_END);
8122
8123     if (gi == NULL)
8124       Fail("cannot create gadget");
8125
8126     level_editor_gadget[id] = gi;
8127     right_gadget_border[id] =
8128       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8129   }
8130 }
8131
8132 void CreateLevelEditorGadgets(void)
8133 {
8134   // force EDITOR font inside level editor
8135   SetFontStatus(GAME_MODE_EDITOR);
8136
8137   // these values are not constant, but can change at runtime
8138   ed_fieldx = MAX_ED_FIELDX - 1;
8139   ed_fieldy = MAX_ED_FIELDY - 1;
8140
8141   num_editor_gadgets = NUM_EDITOR_GADGETS;
8142
8143   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8144
8145   level_editor_gadget =
8146     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8147   right_gadget_border =
8148     checked_calloc(num_editor_gadgets * sizeof(int));
8149
8150   // set number of empty (padding) element buttons to maximum number of buttons
8151   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8152
8153   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8154   editor_el_empty_ptr = editor_el_empty;
8155
8156   use_permanent_palette = !editor.palette.show_as_separate_screen;
8157
8158   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8159
8160   ReinitializeElementList();
8161
8162   CreateControlButtons();
8163   CreateScrollbarGadgets();
8164
8165   // order of function calls is important because of cross-references
8166   CreateCheckbuttonGadgets();
8167   CreateCounterButtons();
8168   CreateRadiobuttonGadgets();
8169   CreateTextInputGadgets();
8170   CreateTextAreaGadgets();
8171   CreateSelectboxGadgets();
8172   CreateGraphicbuttonGadgets();
8173   CreateTextbuttonGadgets();
8174   CreateDrawingAreas();
8175
8176   ResetFontStatus();
8177 }
8178
8179 void FreeLevelEditorGadgets(void)
8180 {
8181   int i;
8182
8183   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8184
8185   for (i = 0; i < num_editor_gadgets; i++)
8186   {
8187     FreeGadget(level_editor_gadget[i]);
8188
8189     level_editor_gadget[i] = NULL;
8190   }
8191
8192   checked_free(level_editor_gadget);
8193   checked_free(right_gadget_border);
8194
8195   checked_free(editor_el_empty);
8196 }
8197
8198 static void MapCounterButtons(int id)
8199 {
8200   int font_nr = FONT_TEXT_1;
8201   int font_height = getFontHeight(font_nr);
8202   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8203   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8204   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8205   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8206   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8207   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8208   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8209   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8210   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8211   int yoffset = (gi_down->height - font_height) / 2;
8212   int x_left = gi_down->x - xoffset_left;
8213   int x_right;  // set after gadget position was modified
8214   int y_above = gi_down->y - yoffset_above;
8215   int x = gi_down->x;
8216   int y;        // set after gadget position was modified
8217
8218   // counter limits must be changed first to prevent value truncation
8219   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8220                             counterbutton_info[id].max_value);
8221
8222   // right text position might have changed after setting position above
8223   x_right = gi_up->x + gi_up->width + xoffset_right;
8224
8225   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8226
8227   // set position for counter gadgets with dynamically determined position
8228   if (id != ED_COUNTER_ID_SELECT_LEVEL)
8229   {
8230     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8231     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8232     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8233   }
8234
8235   // vertical position might have changed after setting position above
8236   y = gi_up->y + yoffset;
8237
8238   if (counterbutton_info[id].text_above)
8239     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8240
8241   if (counterbutton_info[id].text_left)
8242     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8243
8244   if (counterbutton_info[id].text_right)
8245     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8246
8247   MapGadget(gi_down);
8248   MapGadget(gi_text);
8249   MapGadget(gi_up);
8250 }
8251
8252 static void MapControlButtons(void)
8253 {
8254   int counter_id;
8255   int i;
8256
8257   // map toolbox buttons (excluding special CE toolbox buttons)
8258   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8259     MapGadget(level_editor_gadget[i]);
8260
8261   // map toolbox buttons (element properties buttons)
8262   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8263     MapGadget(level_editor_gadget[i]);
8264
8265   if (use_permanent_palette)
8266   {
8267     // map buttons to select elements
8268     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8269       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8270     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8271     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8272     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8273   }
8274
8275   // map buttons to select level
8276   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8277   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8278   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8279   MapCounterButtons(counter_id);
8280 }
8281
8282 static void MapDrawingArea(int id)
8283 {
8284   int font_nr = FONT_TEXT_1;
8285   int font_height = getFontHeight(font_nr);
8286   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8287   int area_xsize = gi->drawing.area_xsize;
8288   int area_ysize = gi->drawing.area_ysize;
8289   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8290   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8291   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
8292   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8293   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8294   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8295   int y_side  = gi->y + (gi->height - font_height) / 2;
8296   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8297   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8298
8299   if (drawingarea_info[id].text_left)
8300     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8301
8302   if (drawingarea_info[id].text_right)
8303     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8304
8305   if (drawingarea_info[id].text_above)
8306     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8307
8308   if (drawingarea_info[id].text_below)
8309     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8310
8311   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8312   {
8313     DrawElementBorder(gi->x, gi->y,
8314                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8315                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8316
8317     DrawDrawingArea(id);
8318   }
8319
8320   MapGadget(gi);
8321 }
8322
8323 static void MapTextInputGadget(int id)
8324 {
8325   int font_nr = FONT_TEXT_1;
8326   int font_height = getFontHeight(font_nr);
8327   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8328   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8329   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8330   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8331
8332   if (textinput_info[id].text_above)
8333     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8334
8335   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8336
8337   MapGadget(gi);
8338 }
8339
8340 static void MapTextAreaGadget(int id)
8341 {
8342   int font_nr = FONT_TEXT_1;
8343   int font_height = getFontHeight(font_nr);
8344   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8345   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8346   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8347   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8348   char *text_above = textarea_info[id].text_above;
8349
8350   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8351     text_above = textarea_info[id].text_above_cropped;
8352
8353   if (text_above)
8354     DrawTextS(x_above, y_above, font_nr, text_above);
8355
8356   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8357
8358   MapGadget(gi);
8359 }
8360
8361 static void MapSelectboxGadget(int id)
8362 {
8363   int font_nr = FONT_TEXT_1;
8364   int font_height = getFontHeight(font_nr);
8365   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8366   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8367   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8368   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8369   int yoffset = (gi->height - font_height) / 2;
8370   int x_left = gi->x - xoffset_left;
8371   int x_right = gi->x + gi->width + xoffset_right;
8372   int y_above = gi->y - yoffset_above;
8373   int x = gi->x;
8374   int y = gi->y + yoffset;
8375
8376   if (selectbox_info[id].text_above)
8377     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8378
8379   if (selectbox_info[id].text_left)
8380     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8381
8382   if (selectbox_info[id].text_right)
8383     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8384
8385   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8386
8387   MapGadget(gi);
8388 }
8389
8390 static void MapTextbuttonGadget(int id)
8391 {
8392   int font_nr = FONT_TEXT_1;
8393   int font_height = getFontHeight(font_nr);
8394   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8395   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8396   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8397   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8398   int yoffset = (gi->height - font_height) / 2;
8399   int x_left = gi->x - xoffset_left;
8400   int x_right = gi->x + gi->width + xoffset_right;
8401   int y_above = gi->y - yoffset_above;
8402   int x = gi->x;
8403   int y = gi->y + yoffset;
8404
8405   // only show button to delete change pages when more than minimum pages
8406   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8407       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8408     return;
8409
8410   if (textbutton_info[id].text_above)
8411     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8412
8413   if (textbutton_info[id].text_left)
8414     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8415
8416   if (textbutton_info[id].text_right)
8417     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8418
8419   MapGadget(gi);
8420 }
8421
8422 static void MapGraphicbuttonGadget(int id)
8423 {
8424   int font_nr = FONT_TEXT_1;
8425   int font_height = getFontHeight(font_nr);
8426   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8427   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8428   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8429   int yoffset = (gi->height - font_height) / 2;
8430   int x_left = gi->x - xoffset_left;
8431   int x_right = gi->x + gi->width + xoffset_right;
8432   int y = gi->y + yoffset;
8433
8434   if (graphicbutton_info[id].text_left)
8435     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8436
8437   if (graphicbutton_info[id].text_right)
8438     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8439
8440   MapGadget(gi);
8441 }
8442
8443 static void MapRadiobuttonGadget(int id)
8444 {
8445   int font_nr = FONT_TEXT_1;
8446   int font_height = getFontHeight(font_nr);
8447   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
8448   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8449   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8450   int yoffset = (gi->height - font_height) / 2;
8451   int x_left = gi->x - xoffset_left;
8452   int x_right = gi->x + gi->width + xoffset_right;
8453   int y = gi->y + yoffset;
8454   boolean checked =
8455     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
8456
8457   if (radiobutton_info[id].text_left)
8458     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
8459
8460   if (radiobutton_info[id].text_right)
8461     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
8462
8463   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
8464
8465   MapGadget(gi);
8466 }
8467
8468 static void MapCheckbuttonGadget(int id)
8469 {
8470   int font_nr = FONT_TEXT_1;
8471   int font_height = getFontHeight(font_nr);
8472   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
8473   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8474   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8475   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8476   int yoffset = (gi->height - font_height) / 2;
8477   int y_above = gi->y - yoffset_above;
8478   int x = gi->x;
8479   int x_left, x_right, y;       // set after gadget position was modified
8480
8481   // set position for gadgets with dynamically determined position
8482   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
8483     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
8484   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
8485
8486   x_left = gi->x - xoffset_left;
8487   x_right = gi->x + gi->width + xoffset_right;
8488   y = gi->y + yoffset;
8489
8490   if (checkbutton_info[id].text_above)
8491     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
8492
8493   if (checkbutton_info[id].text_left)
8494     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
8495
8496   if (checkbutton_info[id].text_right)
8497     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
8498
8499   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
8500
8501   MapGadget(gi);
8502 }
8503
8504 static void MapMainDrawingArea(void)
8505 {
8506   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
8507   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
8508   int i;
8509
8510   if (suppressBorderElement())
8511   {
8512     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
8513     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
8514   }
8515
8516   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
8517   {
8518     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
8519           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
8520          no_horizontal_scrollbar) ||
8521         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
8522           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
8523          no_vertical_scrollbar))
8524       continue;
8525
8526     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
8527   }
8528
8529   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
8530   {
8531     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
8532         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
8533       continue;
8534
8535     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
8536   }
8537
8538   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
8539 }
8540
8541 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
8542 {
8543   int i;
8544
8545   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8546   {
8547     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
8548         i == GADGET_ID_CUSTOM_COPY_TO ||
8549         i == GADGET_ID_CUSTOM_EXCHANGE ||
8550         i == GADGET_ID_CUSTOM_COPY ||
8551         i == GADGET_ID_CUSTOM_PASTE)
8552     {
8553       if (map)
8554         MapGadget(level_editor_gadget[i]);
8555       else
8556         UnmapGadget(level_editor_gadget[i]);
8557     }
8558   }
8559 }
8560
8561 static void MapLevelEditorToolboxCustomGadgets(void)
8562 {
8563   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
8564 }
8565
8566 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
8567 {
8568   if (IS_CUSTOM_ELEMENT(properties_element) ||
8569       IS_GROUP_ELEMENT(properties_element) ||
8570       IS_EMPTY_ELEMENT(properties_element))
8571     MapLevelEditorToolboxCustomGadgets();
8572 }
8573
8574 static void UnmapLevelEditorToolboxCustomGadgets(void)
8575 {
8576   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
8577 }
8578
8579 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
8580 {
8581   int i;
8582
8583   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
8584   {
8585     if (i != GADGET_ID_SINGLE_ITEMS &&
8586         i != GADGET_ID_PICK_ELEMENT)
8587     {
8588       struct GadgetInfo *gi = level_editor_gadget[i];
8589
8590       if (map)
8591       {
8592         MapGadget(gi);
8593       }
8594       else
8595       {
8596         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
8597         struct GraphicInfo *gd = &graphic_info[graphic];
8598
8599         UnmapGadget(gi);
8600
8601         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
8602                    gi->width, gi->height, gi->x, gi->y);
8603
8604         redraw_mask |= REDRAW_DOOR_3;
8605       }
8606     }
8607   }
8608 }
8609
8610 static void MapLevelEditorToolboxDrawingGadgets(void)
8611 {
8612   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
8613 }
8614
8615 static void UnmapLevelEditorToolboxDrawingGadgets(void)
8616 {
8617   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
8618 }
8619
8620 static void UnmapDrawingArea(int id)
8621 {
8622   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
8623 }
8624
8625 static void UnmapLevelEditorFieldGadgets(void)
8626 {
8627   int i;
8628
8629   for (i = 0; i < num_editor_gadgets; i++)
8630     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
8631                           level_editor_gadget[i]->y))
8632       UnmapGadget(level_editor_gadget[i]);
8633 }
8634
8635 void UnmapLevelEditorGadgets(void)
8636 {
8637   int i;
8638
8639   for (i = 0; i < num_editor_gadgets; i++)
8640     UnmapGadget(level_editor_gadget[i]);
8641 }
8642
8643 static void ResetUndoBuffer(void)
8644 {
8645   undo_buffer_position = -1;
8646   undo_buffer_steps = -1;
8647   redo_buffer_steps = 0;
8648
8649   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8650
8651   level.changed = FALSE;
8652 }
8653
8654 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
8655 {
8656   if (remap_toolbox_gadgets)
8657   {
8658     ModifyEditorElementList();
8659     RedrawDrawingElements();
8660   }
8661
8662   if (edit_mode == ED_MODE_LEVELCONFIG)
8663     DrawLevelConfigWindow();
8664   else if (edit_mode == ED_MODE_PROPERTIES)
8665     DrawPropertiesWindow();
8666   else if (edit_mode == ED_MODE_PALETTE)
8667     DrawPaletteWindow();
8668   else  // edit_mode == ED_MODE_DRAWING
8669     DrawDrawingWindowExt(remap_toolbox_gadgets);
8670 }
8671
8672 static void DrawEditModeWindow(void)
8673 {
8674   DrawEditModeWindowExt(TRUE);
8675 }
8676
8677 static void DrawEditModeWindow_PlayfieldOnly(void)
8678 {
8679   DrawEditModeWindowExt(FALSE);
8680 }
8681
8682 static void ChangeEditModeWindow(int new_edit_mode)
8683 {
8684   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
8685
8686   DrawEditModeWindow();
8687 }
8688
8689 static boolean LevelChanged(void)
8690 {
8691   boolean field_changed = FALSE;
8692   int x, y;
8693
8694   for (y = 0; y < lev_fieldy; y++)
8695     for (x = 0; x < lev_fieldx; x++)
8696       if (Tile[x][y] != level.field[x][y])
8697         field_changed = TRUE;
8698
8699   return (level.changed || field_changed);
8700 }
8701
8702 static boolean PrepareSavingIntoPersonalLevelSet(void)
8703 {
8704   static LevelDirTree *last_copied_leveldir = NULL;
8705   static LevelDirTree *last_written_leveldir = NULL;
8706   static int last_copied_level_nr = -1;
8707   static int last_written_level_nr = -1;
8708   LevelDirTree *leveldir_former = leveldir_current;
8709   int level_nr_former = level_nr;
8710   int new_level_nr;
8711
8712   // remember last mod/save so that for current session, we write
8713   // back to the same personal copy, asking only about overwrite.
8714   if (leveldir_current == last_copied_leveldir &&
8715       level_nr == last_copied_level_nr)
8716   {
8717     // "cd" to personal level set dir (as used when writing last copy)
8718     leveldir_current = last_written_leveldir;
8719     level_nr = last_written_level_nr;
8720
8721     return TRUE;
8722   }
8723
8724   if (!Request("This level is read-only! "
8725                "Save into personal level set?", REQ_ASK))
8726     return FALSE;
8727
8728   // "cd" to personal level set dir (for writing copy the first time)
8729   leveldir_current =
8730     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
8731
8732   // this may happen if "setup.internal.create_user_levelset" is FALSE
8733   // or if file "levelinfo.conf" is missing in personal user level set
8734   if (leveldir_current == NULL)
8735   {
8736     Request("Cannot find personal level set?!", REQ_CONFIRM);
8737
8738     leveldir_current = leveldir_former;
8739
8740     return FALSE;
8741   }
8742
8743   // find unused level number
8744   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
8745   {
8746     static char *level_filename = NULL;
8747
8748     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
8749
8750     if (!fileExists(level_filename))
8751       break;
8752   }
8753
8754   last_copied_leveldir = leveldir_former;
8755   last_copied_level_nr = level_nr_former;
8756
8757   last_written_leveldir = leveldir_current;
8758   last_written_level_nr = level_nr = new_level_nr;
8759
8760   return TRUE;
8761 }
8762
8763 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
8764 {
8765   static char *filename_levelinfo = NULL, *mod_name = NULL;
8766   FILE *file;
8767
8768   // annotate this copy-and-mod in personal levelinfo.conf
8769   setString(&filename_levelinfo,
8770             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
8771
8772   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
8773   {
8774     fprintf(file, "\n");
8775     fprintf(file, "# level %d was modified from:\n", level_nr);
8776     fprintf(file, "# - previous level set name:    %s\n",
8777             former_name);
8778     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
8779             level.file_info.nr, level.name);
8780     fprintf(file, "# - previous author:            %s\n",
8781             level.author);
8782     fprintf(file, "# - previous save date:         ");
8783
8784     if (level.creation_date.src == DATE_SRC_LEVELFILE)
8785     {
8786       fprintf(file, "%04d-%02d-%02d\n",
8787               level.creation_date.year,
8788               level.creation_date.month,
8789               level.creation_date.day);
8790     }
8791     else
8792     {
8793       fprintf(file, "not recorded\n");
8794     }
8795
8796     fclose(file);
8797   }
8798
8799   if (level_nr > leveldir_current->last_level)
8800     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
8801
8802   // else: allow the save even if annotation failed
8803
8804   // now... spray graffiti on the old level vital statistics
8805   // user can change these; just trying to set a good baseline
8806
8807   // don't truncate names for fear of making offensive or silly:
8808   // long-named original author only recorded in levelinfo.conf.
8809   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
8810   if (!strEqual(level.author, leveldir_current->author))
8811   {
8812     setString(&mod_name, getStringCat3(leveldir_current->author,
8813                                        " after ", level.author));
8814
8815     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8816       setString(&mod_name,
8817                 getStringCat2(leveldir_current->author, " (ed.)"));
8818
8819     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8820       setString(&mod_name, leveldir_current->author);
8821
8822     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
8823
8824     // less worried about truncation here
8825     setString(&mod_name, getStringCat2("Mod: ", level.name));
8826     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
8827   }
8828 }
8829
8830 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
8831                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
8832 {
8833   int x, y;
8834
8835   for (x = 0; x < lev_fieldx; x++)
8836     for (y = 0; y < lev_fieldy; y++)
8837       dst[x][y] = src[x][y];
8838 }
8839
8840 static int setSelectboxValue(int selectbox_id, int new_value)
8841 {
8842   int new_index_value = 0;
8843   int i;
8844
8845   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
8846     if (selectbox_info[selectbox_id].options[i].value == new_value)
8847       new_index_value = i;
8848
8849   *selectbox_info[selectbox_id].value =
8850     selectbox_info[selectbox_id].options[new_index_value].value;
8851
8852   return new_index_value;
8853 }
8854
8855 static void setSelectboxSpecialActionVariablesIfNeeded(void)
8856 {
8857   int i;
8858
8859   // change action mode and arg variables according to action type variable
8860   for (i = 0; action_arg_options[i].value != -1; i++)
8861   {
8862     if (action_arg_options[i].value == custom_element_change.action_type)
8863     {
8864       int mode = action_arg_options[i].mode;
8865
8866       // only change if corresponding selectbox has changed
8867       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
8868           action_arg_modes[mode])
8869         custom_element_change.action_mode = -1;
8870
8871       // only change if corresponding selectbox has changed
8872       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
8873           action_arg_options[i].options)
8874         custom_element_change.action_arg = -1;
8875
8876       break;
8877     }
8878   }
8879 }
8880
8881 static void setSelectboxSpecialActionOptions(void)
8882 {
8883   int i;
8884
8885   // change action mode and arg selectbox according to action type selectbox
8886   for (i = 0; action_arg_options[i].value != -1; i++)
8887   {
8888     if (action_arg_options[i].value == custom_element_change.action_type)
8889     {
8890       int mode = action_arg_options[i].mode;
8891
8892       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
8893                                    action_arg_modes[mode]);
8894       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
8895                                  custom_element_change.action_mode);
8896
8897       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
8898                                    action_arg_options[i].options);
8899       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
8900                                  custom_element_change.action_arg);
8901       break;
8902     }
8903   }
8904 }
8905
8906 static void copy_custom_element_settings(int element_from, int element_to)
8907 {
8908   struct ElementInfo *ei_from = &element_info[element_from];
8909   struct ElementInfo *ei_to = &element_info[element_to];
8910
8911   copyElementInfo(ei_from, ei_to);
8912 }
8913
8914 static void replace_custom_element_in_settings(int element_from,
8915                                                int element_to)
8916 {
8917   int i, j, x, y;
8918
8919   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8920   {
8921     struct ElementInfo *ei = &element_info[i];
8922
8923     for (y = 0; y < 3; y++)
8924       for (x = 0; x < 3; x++)
8925         if (ei->content.e[x][y] == element_from)
8926           ei->content.e[x][y] = element_to;
8927
8928     for (j = 0; j < ei->num_change_pages; j++)
8929     {
8930       struct ElementChangeInfo *change = &ei->change_page[j];
8931
8932       if (change->target_element == element_from)
8933         change->target_element = element_to;
8934
8935       if (change->initial_trigger_element == element_from)
8936         change->initial_trigger_element = element_to;
8937
8938       if (change->action_element == element_from)
8939         change->action_element = element_to;
8940
8941       for (y = 0; y < 3; y++)
8942         for (x = 0; x < 3; x++)
8943           if (change->target_content.e[x][y] == element_from)
8944             change->target_content.e[x][y] = element_to;
8945     }
8946
8947     if (ei->group != NULL)                              // group or internal
8948       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
8949         if (ei->group->element[j] == element_from)
8950           ei->group->element[j] = element_to;
8951   }
8952 }
8953
8954 static void replace_custom_element_in_playfield(int element_from,
8955                                                 int element_to)
8956 {
8957   int x, y;
8958
8959   for (x = 0; x < lev_fieldx; x++)
8960     for (y = 0; y < lev_fieldy; y++)
8961       if (Tile[x][y] == element_from)
8962         Tile[x][y] = element_to;
8963 }
8964
8965 static boolean CopyCustomElement(int element_old, int element_new,
8966                                  int copy_mode)
8967 {
8968   int copy_mode_orig = copy_mode;
8969
8970   if (copy_mode == GADGET_ID_CUSTOM_COPY)
8971   {
8972     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
8973                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8974     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8975   }
8976   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
8977   {
8978     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
8979                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8980     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8981
8982     level.changed = TRUE;
8983   }
8984   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
8985   {
8986     Request("Please choose custom element!", REQ_CONFIRM);
8987
8988     return FALSE;
8989   }
8990   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
8991   {
8992     Request("Please choose group element!", REQ_CONFIRM);
8993
8994     return FALSE;
8995   }
8996   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
8997   {
8998     Request("Please choose empty element!", REQ_CONFIRM);
8999
9000     return FALSE;
9001   }
9002   else
9003   {
9004     level.changed = TRUE;
9005   }
9006
9007   // when modifying custom/group element, ask for copying level template
9008   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9009   {
9010     if (!AskToCopyAndModifyLevelTemplate())
9011       return FALSE;
9012   }
9013
9014   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9015   {
9016     copy_custom_element_settings(element_new, element_old);
9017   }
9018   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9019   {
9020     copy_custom_element_settings(element_old, element_new);
9021   }
9022   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9023   {
9024     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9025     copy_custom_element_settings(element_new, element_old);
9026     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9027
9028     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9029     replace_custom_element_in_settings(element_new, element_old);
9030     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9031
9032     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9033     replace_custom_element_in_playfield(element_new, element_old);
9034     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9035   }
9036
9037   UpdateCustomElementGraphicGadgets();
9038   DrawPropertiesWindow();
9039
9040   return TRUE;
9041 }
9042
9043 static void CopyCustomElementPropertiesToEditor(int element)
9044 {
9045   int i;
9046   int current_change_page = element_info[element].current_change_page;
9047
9048   // dynamically (re)build selectbox for selecting change page
9049   for (i = 0; i < element_info[element].num_change_pages; i++)
9050   {
9051     sprintf(options_change_page_strings[i], "%d", i + 1);
9052
9053     options_change_page[i].value = i;
9054     options_change_page[i].text = options_change_page_strings[i];
9055   }
9056
9057   options_change_page[i].value = -1;
9058   options_change_page[i].text = NULL;
9059
9060   // needed here to initialize combined element properties
9061   InitElementPropertiesEngine(level.game_version);
9062
9063   element_info[element].change =
9064     &element_info[element].change_page[current_change_page];
9065
9066   custom_element = element_info[element];
9067   custom_element_change = *element_info[element].change;
9068
9069   // needed to initially set selectbox options for special action options
9070   setSelectboxSpecialActionOptions();
9071
9072   // needed to initially set selectbox value variables to reliable defaults
9073   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9074     setSelectboxValue(i, *selectbox_info[i].value);
9075
9076   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9077     custom_element_properties[i] = HAS_PROPERTY(element, i);
9078
9079   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9080     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9081
9082   // ---------- element settings: configure (custom elements) -----------------
9083
9084   // set accessible layer selectbox help value
9085   custom_element.access_type =
9086     (IS_WALKABLE(element) ? EP_WALKABLE :
9087      IS_PASSABLE(element) ? EP_PASSABLE :
9088      custom_element.access_type);
9089   custom_element.access_layer =
9090     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9091      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9092      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9093      custom_element.access_layer);
9094   custom_element.access_protected =
9095     (IS_PROTECTED(element) ? 1 : 0);
9096   custom_element_properties[EP_ACCESSIBLE] =
9097     (IS_ACCESSIBLE_OVER(element) ||
9098      IS_ACCESSIBLE_INSIDE(element) ||
9099      IS_ACCESSIBLE_UNDER(element));
9100
9101   // set walk-to-object action selectbox help value
9102   custom_element.walk_to_action =
9103     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9104      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9105      IS_DROPPABLE(element) ? EP_DROPPABLE :
9106      IS_THROWABLE(element) ? EP_THROWABLE :
9107      IS_PUSHABLE(element) ? EP_PUSHABLE :
9108      custom_element.walk_to_action);
9109   custom_element_properties[EP_WALK_TO_OBJECT] =
9110     (IS_DIGGABLE(element) ||
9111      IS_COLLECTIBLE_ONLY(element) ||
9112      IS_DROPPABLE(element) ||
9113      IS_THROWABLE(element) ||
9114      IS_PUSHABLE(element));
9115
9116   // set smash targets selectbox help value
9117   custom_element.smash_targets =
9118     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9119      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9120      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9121      custom_element.smash_targets);
9122   custom_element_properties[EP_CAN_SMASH] =
9123     (CAN_SMASH_EVERYTHING(element) ||
9124      CAN_SMASH_ENEMIES(element) ||
9125      CAN_SMASH_PLAYER(element));
9126
9127   // set deadliness selectbox help value
9128   custom_element.deadliness =
9129     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9130      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9131      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9132      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9133      custom_element.deadliness);
9134   custom_element_properties[EP_DEADLY] =
9135     (DONT_TOUCH(element) ||
9136      DONT_GET_HIT_BY(element) ||
9137      DONT_COLLIDE_WITH(element) ||
9138      DONT_RUN_INTO(element));
9139
9140   // ---------- element settings: advanced (custom elements) ------------------
9141
9142   // set "change by direct action" selectbox help value
9143   custom_element_change.direct_action =
9144     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9145      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9146      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9147      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9148      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9149      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9150      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9151      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9152      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9153      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9154      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9155      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9156      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9157      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9158      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9159      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9160      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9161      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9162      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9163      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9164      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9165      custom_element_change.direct_action);
9166
9167   // set "change by other element action" selectbox help value
9168   custom_element_change.other_action =
9169     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9170      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9171      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9172      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9173      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9174      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9175      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9176      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9177      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9178      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9179      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9180      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9181      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9182      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9183      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9184      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9185      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9186      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9187      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9188      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9189      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9190      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9191      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9192      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9193      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9194      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9195      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9196      custom_element_change.other_action);
9197 }
9198
9199 static void CopyGroupElementPropertiesToEditor(int element)
9200 {
9201   group_element_info = *element_info[element].group;
9202   custom_element = element_info[element];       // needed for description
9203 }
9204
9205 static void CopyEmptyElementPropertiesToEditor(int element)
9206 {
9207   custom_element = element_info[element];
9208 }
9209
9210 static void CopyClassicElementPropertiesToEditor(int element)
9211 {
9212   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9213     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9214       getMoveIntoAcidProperty(&level, element);
9215
9216   if (MAYBE_DONT_COLLIDE_WITH(element))
9217     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9218       getDontCollideWithProperty(&level, element);
9219 }
9220
9221 static void CopyElementPropertiesToEditor(int element)
9222 {
9223   if (IS_CUSTOM_ELEMENT(element))
9224     CopyCustomElementPropertiesToEditor(element);
9225   else if (IS_GROUP_ELEMENT(element))
9226     CopyGroupElementPropertiesToEditor(element);
9227   else if (IS_EMPTY_ELEMENT(element))
9228     CopyEmptyElementPropertiesToEditor(element);
9229   else
9230     CopyClassicElementPropertiesToEditor(element);
9231 }
9232
9233 static boolean AskToCopyAndModifyLevelTemplate(void)
9234 {
9235   if (Request("Copy and modify settings from level template?", REQ_ASK))
9236   {
9237     level.use_custom_template = FALSE;
9238
9239     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9240                  GDI_CHECKED, FALSE, GDI_END);
9241     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9242                  GDI_CHECKED, FALSE, GDI_END);
9243
9244     return TRUE;
9245   }
9246   else
9247   {
9248     LoadLevelTemplate(-1);      // this resets all element modifications ...
9249
9250     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9251
9252     return FALSE;
9253   }
9254 }
9255
9256 static void CopyCustomElementPropertiesToGame(int element)
9257 {
9258   int i;
9259   int access_type_and_layer;
9260
9261   // mark that this custom element has been modified
9262   custom_element.modified_settings = TRUE;
9263   level.changed = TRUE;
9264
9265   if (level.use_custom_template)
9266     AskToCopyAndModifyLevelTemplate();
9267
9268   element_info[element] = custom_element;
9269   *element_info[element].change = custom_element_change;
9270
9271   // ---------- element settings: configure (custom elements) -----------------
9272
9273   // set accessible property from checkbox and selectbox
9274   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9275   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9276   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9277   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9278   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9279   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9280   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9281                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9282                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9283   custom_element_properties[access_type_and_layer] =
9284     custom_element_properties[EP_ACCESSIBLE];
9285   custom_element_properties[EP_PROTECTED] =
9286     (custom_element.access_protected != 0 &&
9287      custom_element_properties[EP_ACCESSIBLE]);
9288
9289   // set walk-to-object property from checkbox and selectbox
9290   custom_element_properties[EP_DIGGABLE] = FALSE;
9291   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9292   custom_element_properties[EP_DROPPABLE] = FALSE;
9293   custom_element_properties[EP_THROWABLE] = FALSE;
9294   custom_element_properties[EP_PUSHABLE] = FALSE;
9295   custom_element_properties[custom_element.walk_to_action] =
9296     custom_element_properties[EP_WALK_TO_OBJECT];
9297
9298   // set smash property from checkbox and selectbox
9299   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9300   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9301   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9302   custom_element_properties[custom_element.smash_targets] =
9303     custom_element_properties[EP_CAN_SMASH];
9304
9305   // set deadliness property from checkbox and selectbox
9306   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9307   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9308   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9309   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9310   custom_element_properties[custom_element.deadliness] =
9311     custom_element_properties[EP_DEADLY];
9312
9313   // ---------- element settings: advanced (custom elements) ------------------
9314
9315   // set player change event from checkbox and selectbox
9316   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9317   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9318   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9319   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9320   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9321   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9322   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9323   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9324   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9325   custom_element_change_events[CE_SWITCHED] = FALSE;
9326   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9327   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9328   custom_element_change_events[CE_BLOCKED] = FALSE;
9329   custom_element_change_events[CE_IMPACT] = FALSE;
9330   custom_element_change_events[CE_SMASHED] = FALSE;
9331   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9332   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9333   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9334   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9335   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9336   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9337   custom_element_change_events[custom_element_change.direct_action] =
9338     custom_element_change_events[CE_BY_DIRECT_ACTION];
9339
9340   // set other element action change event from checkbox and selectbox
9341   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9342   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9343   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9344   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9345   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9346   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9347   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9348   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9349   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9350   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9351   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9352   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9353   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9354   custom_element_change_events[CE_HITTING_X] = FALSE;
9355   custom_element_change_events[CE_DIGGING_X] = FALSE;
9356   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9357   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9358   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9359   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9360   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9361   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9362   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9363   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9364   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9365   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9366   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9367   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9368   custom_element_change_events[custom_element_change.other_action] =
9369     custom_element_change_events[CE_BY_OTHER_ACTION];
9370
9371   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9372     SET_PROPERTY(element, i, custom_element_properties[i]);
9373
9374   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9375     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9376
9377   // copy change events also to special level editor variable
9378   custom_element = element_info[element];
9379   custom_element_change = *element_info[element].change;
9380
9381   // needed here to restore runtime value "element_info[element].gfx_element"
9382   InitElementPropertiesGfxElement();
9383 }
9384
9385 static void CopyGroupElementPropertiesToGame(int element)
9386 {
9387   // mark that this group element has been modified
9388   custom_element.modified_settings = TRUE;
9389   level.changed = TRUE;
9390
9391   if (level.use_custom_template)
9392     AskToCopyAndModifyLevelTemplate();
9393
9394   element_info[element] = custom_element;
9395   *element_info[element].group = group_element_info;
9396
9397   // needed here to restore runtime value "element_info[element].gfx_element"
9398   InitElementPropertiesGfxElement();
9399 }
9400
9401 static void CopyEmptyElementPropertiesToGame(int element)
9402 {
9403   // mark that this empty element has been modified
9404   custom_element.modified_settings = TRUE;
9405   level.changed = TRUE;
9406
9407   if (level.use_custom_template)
9408     AskToCopyAndModifyLevelTemplate();
9409
9410   element_info[element] = custom_element;
9411
9412   // needed here to restore runtime value "element_info[element].gfx_element"
9413   InitElementPropertiesGfxElement();
9414 }
9415
9416 static void CopyClassicElementPropertiesToGame(int element)
9417 {
9418   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9419     setMoveIntoAcidProperty(&level, element,
9420                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9421
9422   if (MAYBE_DONT_COLLIDE_WITH(element))
9423     setDontCollideWithProperty(&level, element,
9424                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9425 }
9426
9427 static void CopyElementPropertiesToGame(int element)
9428 {
9429   if (IS_CUSTOM_ELEMENT(element))
9430     CopyCustomElementPropertiesToGame(element);
9431   else if (IS_GROUP_ELEMENT(element))
9432     CopyGroupElementPropertiesToGame(element);
9433   else if (IS_EMPTY_ELEMENT(element))
9434     CopyEmptyElementPropertiesToGame(element);
9435   else
9436     CopyClassicElementPropertiesToGame(element);
9437 }
9438
9439 #if DEBUG
9440 static void CheckElementDescriptions(void)
9441 {
9442   int i;
9443
9444   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9445     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
9446       Warn("no element description file for element '%s'", EL_NAME(i));
9447 }
9448 #endif
9449
9450 static int getMaxEdFieldX(boolean has_scrollbar)
9451 {
9452   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
9453   int sxsize = SXSIZE - scrollbar_width;
9454   int max_ed_fieldx = sxsize / ed_tilesize;
9455
9456   return max_ed_fieldx;
9457 }
9458
9459 static int getMaxEdFieldY(boolean has_scrollbar)
9460 {
9461   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
9462                          INFOTEXT_YSIZE_FULL : 0);
9463   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
9464   int sysize = SYSIZE - scrollbar_height - infotext_height;
9465   int max_ed_fieldy = sysize / ed_tilesize;
9466
9467   return max_ed_fieldy;
9468 }
9469
9470 static void InitZoomLevelSettings(int zoom_tilesize)
9471 {
9472   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
9473
9474   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
9475   {
9476     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
9477     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
9478
9479     // make sure that tile size is always a power of 2
9480     ed_tilesize = (1 << log_2(ed_tilesize));
9481
9482     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9483     {
9484       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
9485       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
9486     }
9487   }
9488
9489   last_game_engine_type = level.game_engine_type;
9490
9491   // limit zoom tilesize by upper and lower bound
9492   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
9493
9494   // store zoom tilesize in auto setup file only if it was manually changed
9495   if (zoom_tilesize != -1)
9496     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
9497
9498   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
9499   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
9500 }
9501
9502 static void InitDrawingElements(void)
9503 {
9504   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
9505
9506   if (level.game_engine_type == game_engine_type_last)
9507     return;
9508
9509   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9510   {
9511     new_element1 = EL_BD_WALL;
9512     new_element2 = EL_EMPTY;
9513     new_element3 = EL_BD_SAND;
9514   }
9515   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
9516   {
9517     new_element1 = EL_SP_CHIP_SINGLE;
9518     new_element2 = EL_EMPTY;
9519     new_element3 = EL_SP_BASE;
9520   }
9521   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9522   {
9523     new_element1 = EL_MM_MIRROR_START;
9524     new_element2 = EL_EMPTY;
9525     new_element3 = EL_MM_WOODEN_WALL;
9526   }
9527   else
9528   {
9529     new_element1 = EL_WALL;
9530     new_element2 = EL_EMPTY;
9531     new_element3 = EL_SAND;
9532   }
9533
9534   game_engine_type_last = level.game_engine_type;
9535 }
9536
9537 static void InitLevelSetInfo(void)
9538 {
9539   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
9540            "%s", leveldir_current->name);
9541   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
9542            "%s", leveldir_current->author);
9543
9544   levelset_num_levels = leveldir_current->levels;
9545
9546   levelset_use_levelset_artwork = FALSE;
9547   levelset_copy_level_template = FALSE;
9548
9549   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
9550 }
9551
9552 static void ChangeEditorToLevelSet(char *levelset_subdir)
9553 {
9554   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
9555
9556   // the previous level set might have used custom artwork
9557   ReloadCustomArtwork(0);
9558
9559   LoadLevelSetup_SeriesInfo();
9560
9561   SaveLevelSetup_LastSeries();
9562   SaveLevelSetup_SeriesInfo();
9563
9564   TapeErase();
9565
9566   LoadLevel(level_nr);
9567   LoadScore(level_nr);
9568
9569   DrawLevelEd();
9570 }
9571
9572 static boolean useEditorDoorAnimation(void)
9573 {
9574   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
9575   boolean door_1_viewport_unchanged =
9576     (vp_door_1->x      == DX     &&
9577      vp_door_1->y      == DY     &&
9578      vp_door_1->width  == DXSIZE &&
9579      vp_door_1->height == DYSIZE);
9580   boolean door_1_contains_toolbox =
9581     (EX >= DX &&
9582      EY >= DY &&
9583      EX + EXSIZE <= DX + DXSIZE &&
9584      EY + EYSIZE <= DY + DYSIZE);
9585
9586   return (door_1_viewport_unchanged && door_1_contains_toolbox);
9587 }
9588
9589 static void DrawEditorDoorBackground(int graphic, int x, int y,
9590                                      int width, int height)
9591 {
9592   struct GraphicInfo *g = &graphic_info[graphic];
9593
9594   if (g->bitmap != NULL)
9595     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
9596                MIN(width, g->width), MIN(height, g->height), x, y);
9597   else
9598     ClearRectangle(drawto, x, y, width, height);
9599 }
9600
9601 static void DrawEditorDoorContent(void)
9602 {
9603   // needed for gadgets drawn on background (like palette scrollbar)
9604   SetDoorBackgroundImage(IMG_UNDEFINED);
9605
9606   // copy default editor door content to main double buffer
9607   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
9608
9609   // draw bigger door
9610   DrawSpecialEditorDoor();
9611
9612   // draw new control window
9613   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
9614
9615   // draw all toolbox gadgets to editor doors
9616   MapControlButtons();
9617
9618   // when returning from test game to properties page, redraw toolbox gadgets
9619   if (edit_mode == ED_MODE_PROPERTIES)
9620   {
9621     UnmapLevelEditorToolboxDrawingGadgets();
9622     UnmapLevelEditorToolboxCustomGadgets();
9623
9624     MapLevelEditorToolboxCustomGadgetsIfNeeded();
9625   }
9626
9627   // draw all palette gadgets to editor doors
9628   ModifyEditorElementList();
9629   RedrawDrawingElements();
9630
9631   // copy actual editor door content to door double buffer for OpenDoor()
9632   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
9633 }
9634
9635 void DrawLevelEd(void)
9636 {
9637   int fade_mask = REDRAW_FIELD;
9638
9639   FadeSoundsAndMusic();
9640
9641   if (CheckFadeAll())
9642     fade_mask = REDRAW_ALL;
9643
9644   FadeOut(fade_mask);
9645
9646   // needed if different viewport properties defined for editor
9647   ChangeViewportPropertiesIfNeeded();
9648
9649   ClearField();
9650
9651   InitZoomLevelSettings(-1);
9652   InitDrawingElements();
9653   InitLevelSetInfo();
9654
9655 #if DEBUG
9656   CheckElementDescriptions();
9657 #endif
9658
9659   if (level_editor_test_game)
9660   {
9661     CopyPlayfield(level.field, Tile);
9662     CopyPlayfield(TileBackup, level.field);
9663
9664     level_editor_test_game = FALSE;
9665   }
9666   else
9667   {
9668     edit_mode = ED_MODE_DRAWING;
9669     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
9670     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
9671
9672     ResetUndoBuffer();
9673
9674     level_xpos = -1;
9675     level_ypos = -1;
9676   }
9677
9678   // redraw_mask |= REDRAW_ALL;
9679
9680   FreeLevelEditorGadgets();
9681   CreateLevelEditorGadgets();
9682
9683   ReinitializeElementList();            // update dynamic level element list
9684   ReinitializeElementListButtons();     // custom element may look different
9685
9686   InitElementPropertiesGfxElement();
9687
9688   UnmapAllGadgets();
9689
9690   DrawEditModeWindow_PlayfieldOnly();
9691
9692   DrawMaskedBorder(fade_mask);
9693
9694   // use door animation if door 1 viewport is unchanged and contains toolbox
9695   if (useEditorDoorAnimation())
9696   {
9697     FadeIn(fade_mask);
9698
9699     DrawEditorDoorContent();
9700
9701     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
9702   }
9703   else
9704   {
9705     DrawEditorDoorContent();
9706
9707     FadeIn(fade_mask);
9708   }
9709
9710   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
9711 }
9712
9713 static void AdjustDrawingAreaGadgets(void)
9714 {
9715   int ed_xsize = lev_fieldx + 2;
9716   int ed_ysize = lev_fieldy + 2;
9717   int max_ed_fieldx = MAX_ED_FIELDX;
9718   int max_ed_fieldy = MAX_ED_FIELDY;
9719   boolean horizontal_scrollbar_needed;
9720   boolean vertical_scrollbar_needed;
9721   int x, y, width, height;
9722
9723   if (suppressBorderElement())
9724   {
9725     ed_xsize = lev_fieldx;
9726     ed_ysize = lev_fieldy;
9727   }
9728
9729   // check if we need any scrollbars
9730   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9731   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9732
9733   // check if we have a smaller editor field because of scrollbars
9734   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9735   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9736
9737   // check again if we now need more scrollbars because of less space
9738   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9739   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9740
9741   // check if editor field gets even smaller after adding new scrollbars
9742   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9743   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9744
9745   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
9746   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
9747
9748   x = SX + ed_fieldx * ed_tilesize;
9749   y = SY + ed_fieldy * ed_tilesize;
9750
9751   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
9752   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
9753
9754   // adjust drawing area gadget
9755   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
9756                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
9757                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
9758                GDI_END);
9759
9760   // adjust horizontal scrollbar gadgets
9761   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
9762                GDI_Y, y,
9763                GDI_END);
9764   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
9765                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
9766                GDI_Y, y,
9767                GDI_END);
9768   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
9769                GDI_Y, y,
9770                GDI_WIDTH, width,
9771                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
9772                GDI_END);
9773
9774   // adjust vertical scrollbar gadgets
9775   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
9776                GDI_X, x,
9777                GDI_END);
9778   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
9779                GDI_X, x,
9780                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
9781                GDI_END);
9782   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
9783                GDI_X, x,
9784                GDI_HEIGHT, height,
9785                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
9786                GDI_END);
9787 }
9788
9789 static void AdjustLevelScrollPosition(void)
9790 {
9791   if (level_xpos < -1)
9792     level_xpos = -1;
9793   if (level_xpos > lev_fieldx - ed_fieldx + 1)
9794     level_xpos = lev_fieldx - ed_fieldx + 1;
9795   if (lev_fieldx < ed_fieldx - 2)
9796     level_xpos = -1;
9797
9798   if (level_ypos < -1)
9799     level_ypos = -1;
9800   if (level_ypos > lev_fieldy - ed_fieldy + 1)
9801     level_ypos = lev_fieldy - ed_fieldy + 1;
9802   if (lev_fieldy < ed_fieldy - 2)
9803     level_ypos = -1;
9804
9805   if (suppressBorderElement())
9806   {
9807     level_xpos = 0;
9808     level_ypos = 0;
9809   }
9810 }
9811
9812 static void AdjustEditorScrollbar(int id)
9813 {
9814   struct GadgetInfo *gi = level_editor_gadget[id];
9815   int items_max, items_visible, item_position;
9816
9817   if (id == GADGET_ID_SCROLL_HORIZONTAL)
9818   {
9819     items_max = MAX(lev_fieldx + 2, ed_fieldx);
9820     items_visible = ed_fieldx;
9821     item_position = level_xpos + 1;
9822   }
9823   else
9824   {
9825     items_max = MAX(lev_fieldy + 2, ed_fieldy);
9826     items_visible = ed_fieldy;
9827     item_position = level_ypos + 1;
9828   }
9829
9830   if (item_position > items_max - items_visible)
9831     item_position = items_max - items_visible;
9832
9833   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9834                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9835 }
9836
9837 static void AdjustElementListScrollbar(void)
9838 {
9839   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
9840   int items_max, items_visible, item_position;
9841
9842   // correct position of element list scrollbar
9843   if (element_shift < 0)
9844     element_shift = 0;
9845   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
9846     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
9847
9848   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
9849   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
9850   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
9851
9852   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9853                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9854                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9855 }
9856
9857 static void ModifyEditorCounterValue(int counter_id, int new_value)
9858 {
9859   int *counter_value = counterbutton_info[counter_id].value;
9860   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9861   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9862
9863   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
9864
9865   if (counter_value != NULL)
9866     *counter_value = gi->textinput.number_value;
9867 }
9868
9869 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
9870 {
9871   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9872   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9873
9874   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
9875
9876   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
9877       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
9878   {
9879     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
9880     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
9881
9882     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
9883     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
9884                  GDI_END);
9885   }
9886 }
9887
9888 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
9889 {
9890   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9891   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9892   int new_index_value = setSelectboxValue(selectbox_id, new_value);
9893
9894   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
9895 }
9896
9897 static void ModifyEditorSelectboxOptions(int selectbox_id,
9898                                          struct ValueTextInfo *options)
9899 {
9900   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9901   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9902
9903   selectbox_info[selectbox_id].options = options;
9904
9905   // set index to zero -- list may be shorter now (correct later, if needed)
9906   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
9907                GDI_SELECTBOX_OPTIONS, options, GDI_END);
9908 }
9909
9910 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
9911 {
9912   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
9913   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9914
9915   drawingarea_info[drawingarea_id].area_xsize = xsize;
9916   drawingarea_info[drawingarea_id].area_ysize = ysize;
9917
9918   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
9919 }
9920
9921 static void ModifyEditorElementList(void)
9922 {
9923   int i;
9924
9925   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
9926     return;
9927
9928   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9929   {
9930     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
9931     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9932     struct GadgetDesign *gd = &gi->deco.design;
9933     int element = editor_elements[element_shift + i];
9934     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
9935
9936     UnmapGadget(gi);
9937
9938     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
9939
9940     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
9941
9942     MapGadget(gi);
9943   }
9944 }
9945
9946 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
9947 {
9948   int graphic = el2edimg(element);
9949   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
9950
9951   if (pos->x == -1 &&
9952       pos->y == -1)
9953     return;
9954
9955   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
9956 }
9957
9958 static void ModifyDrawingElementButton(int element, int id)
9959 {
9960   struct GadgetInfo *gi = level_editor_gadget[id];
9961   Bitmap *deco_bitmap;
9962   int deco_x, deco_y;
9963   int tile_size = gi->deco.width;
9964
9965   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
9966
9967   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
9968 }
9969
9970 static void PickDrawingElement(int button, int element)
9971 {
9972   struct
9973   {
9974     int *new_element;
9975     struct XYTileSize *pos;
9976     int id;
9977   } de, drawing_elements[] =
9978   {
9979     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
9980     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
9981     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
9982   };
9983
9984   if (button < 1 || button > 3)
9985     return;
9986
9987   if (IS_MM_WALL(element))
9988     element = map_mm_wall_element(element);
9989
9990   de = drawing_elements[button - 1];
9991
9992   *de.new_element = element;    // update global drawing element variable
9993
9994   DrawDrawingElementGraphic(element, de.pos);
9995   ModifyDrawingElementButton(element, de.id);
9996
9997   redraw_mask |= REDRAW_DOOR_1;
9998 }
9999
10000 static void RedrawDrawingElements(void)
10001 {
10002   PickDrawingElement(1, new_element1);
10003   PickDrawingElement(2, new_element2);
10004   PickDrawingElement(3, new_element3);
10005 }
10006
10007 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10008 {
10009   stick_element_properties_window = FALSE;
10010
10011   SetMainBackgroundImage(IMG_UNDEFINED);
10012   ClearField();
10013
10014   UnmapLevelEditorFieldGadgets();
10015
10016   AdjustDrawingAreaGadgets();
10017   AdjustLevelScrollPosition();
10018   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10019   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10020
10021   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10022
10023   MapMainDrawingArea();
10024
10025   if (remap_toolbox_gadgets)
10026   {
10027     UnmapLevelEditorToolboxCustomGadgets();
10028     MapLevelEditorToolboxDrawingGadgets();
10029   }
10030 }
10031
10032 static void DrawDrawingWindow(void)
10033 {
10034   DrawDrawingWindowExt(TRUE);
10035 }
10036
10037 static int getTabulatorBarWidth(void)
10038 {
10039   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10040   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10041
10042   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10043 }
10044
10045 static int getTabulatorBarHeight(void)
10046 {
10047   return ED_TAB_BAR_HEIGHT;
10048 }
10049
10050 static Pixel getTabulatorBarColor(void)
10051 {
10052   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10053   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10054   int gd_x = gd->x + gd_gi1->border.width / 2;
10055   int gd_y = gd->y + gd_gi1->height - 1;
10056
10057   return GetPixel(gd->bitmap, gd_x, gd_y);
10058 }
10059
10060 static void DrawLevelConfigTabulatorGadgets(void)
10061 {
10062   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10063   Pixel tab_color = getTabulatorBarColor();
10064   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10065   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10066   int i;
10067
10068   // draw additional "engine" tabulator when using native BD engine
10069   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10070     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10071
10072   for (i = id_first; i <= id_last; i++)
10073   {
10074     int gadget_id = textbutton_info[i].gadget_id;
10075     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10076     boolean active = (i != edit_mode_levelconfig);
10077
10078     // draw background line below tabulator button
10079     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10080
10081     // draw solid line below inactive tabulator buttons
10082     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10083       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10084                     ED_GADGET_TINY_DISTANCE, tab_color);
10085
10086     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10087     MapTextbuttonGadget(i);
10088   }
10089
10090   // draw little border line below tabulator buttons
10091   if (tab_color != BLACK_PIXEL)                 // black => transparent
10092     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10093                   ED_GADGET_TINY_DISTANCE,
10094                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10095 }
10096
10097 static void DrawPropertiesTabulatorGadgets(void)
10098 {
10099   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10100   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10101   int gd_x = gd->x + gd_gi1->border.width / 2;
10102   int gd_y = gd->y + gd_gi1->height - 1;
10103   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10104   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10105   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10106   int i;
10107
10108   // draw two config tabulators for player elements
10109   if (IS_PLAYER_ELEMENT(properties_element))
10110     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10111
10112   // draw two config and one "change" tabulator for custom elements
10113   if (IS_CUSTOM_ELEMENT(properties_element))
10114     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10115
10116   for (i = id_first; i <= id_last; i++)
10117   {
10118     int gadget_id = textbutton_info[i].gadget_id;
10119     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10120     boolean active = (i != edit_mode_properties);
10121
10122     // use "config 1" and "config 2" instead of "config" for players and CEs
10123     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
10124         (IS_PLAYER_ELEMENT(properties_element) ||
10125          IS_CUSTOM_ELEMENT(properties_element)))
10126       continue;
10127
10128     // draw background line below tabulator button
10129     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10130
10131     // draw solid line below inactive tabulator buttons
10132     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10133       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10134                     ED_GADGET_TINY_DISTANCE, tab_color);
10135
10136     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10137     MapTextbuttonGadget(i);
10138   }
10139
10140   // draw little border line below tabulator buttons
10141   if (tab_color != BLACK_PIXEL)                 // black => transparent
10142     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10143                   ED_GADGET_TINY_DISTANCE,
10144                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10145 }
10146
10147 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10148 {
10149   DrawText(SX + xpos, SY + ypos, text, font_nr);
10150 }
10151
10152 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10153                                            int xpos, int ypos)
10154 {
10155   int font_width = getFontWidth(font_nr);
10156   int font_height = getFontHeight(font_nr);
10157   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10158   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10159
10160   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10161                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10162                       TRUE, FALSE, FALSE);
10163 }
10164
10165 static void DrawLevelConfigLevel(void)
10166 {
10167   int i;
10168
10169   // draw counter gadgets
10170   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10171     MapCounterButtons(i);
10172
10173   // draw checkbutton gadgets
10174   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10175     MapCheckbuttonGadget(i);
10176
10177   // draw selectbox gadgets
10178   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10179     MapSelectboxGadget(i);
10180
10181   // draw text input gadgets
10182   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10183     MapTextInputGadget(i);
10184 }
10185
10186 static char *getLevelSubdirFromSaveMode(int save_mode)
10187 {
10188   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10189     return getNewUserLevelSubdir();
10190
10191   return leveldir_current->subdir;
10192 }
10193
10194 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10195 {
10196   char *directory_text = "Level set directory:";
10197   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10198   int font1_nr = FONT_TEXT_1;
10199   int font2_nr = FONT_TEXT_2;
10200   int font1_height = getFontHeight(font1_nr);
10201   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10202   int x = ED_LEVEL_SETTINGS_X(0);
10203   int y = ED_LEVEL_SETTINGS_Y(6);
10204
10205   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10206   PrintInfoText(directory_name, font2_nr, x, y);
10207 }
10208
10209 static void DrawLevelConfigLevelSet(void)
10210 {
10211   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10212   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10213   int i;
10214
10215   // draw counter gadgets
10216   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10217     MapCounterButtons(i);
10218
10219   // draw checkbutton gadgets
10220   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10221   {
10222     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10223         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10224         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10225       continue;
10226
10227     MapCheckbuttonGadget(i);
10228   }
10229
10230   // draw selectbox gadgets
10231   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10232     MapSelectboxGadget(i);
10233
10234   // draw text input gadgets
10235   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10236     MapTextInputGadget(i);
10237
10238   // draw textbutton gadgets
10239   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10240
10241   // draw info text
10242   DrawLevelConfigLevelSet_DirectoryInfo();
10243 }
10244
10245 static void DrawLevelConfigEditor(void)
10246 {
10247   int i;
10248
10249   // draw counter gadgets
10250   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10251     MapCounterButtons(i);
10252
10253   // draw checkbutton gadgets
10254   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10255     MapCheckbuttonGadget(i);
10256
10257   // draw radiobutton gadgets
10258   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10259     MapRadiobuttonGadget(i);
10260
10261   // draw drawing area
10262   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10263
10264   // draw textbutton gadgets
10265   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10266 }
10267
10268 static void DrawLevelConfigEngine(void)
10269 {
10270   int i;
10271
10272   // draw counter gadgets
10273   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10274   {
10275     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10276     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10277   }
10278   else
10279   {
10280     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10281     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10282   }
10283
10284   // draw checkbutton gadgets
10285   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10286     MapCheckbuttonGadget(i);
10287
10288   // draw selectbox gadgets
10289   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10290     MapSelectboxGadget(i);
10291 }
10292
10293 static void DrawLevelConfigWindow(void)
10294 {
10295   char *text = "Global Settings";
10296   int font_nr = FONT_TITLE_1;
10297   struct MenuPosInfo *pos = &editor.settings.headline;
10298   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10299   int sy = SY + pos->y;
10300
10301   stick_element_properties_window = FALSE;
10302
10303   SetAutomaticNumberOfGemsNeeded();
10304
10305   UnmapLevelEditorFieldGadgets();
10306
10307   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10308   ClearField();
10309
10310   DrawText(sx, sy, text, font_nr);
10311
10312   DrawLevelConfigTabulatorGadgets();
10313
10314   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10315     DrawLevelConfigLevel();
10316   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10317     DrawLevelConfigLevelSet();
10318   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10319     DrawLevelConfigEditor();
10320   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10321     DrawLevelConfigEngine();
10322 }
10323
10324 static void DrawCustomContentArea(void)
10325 {
10326   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10327   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10328   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10329   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10330   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10331   int xoffset = ED_GADGET_SPACE_DISTANCE;
10332
10333   // add distance for potential left text (without drawing area border)
10334   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10335
10336   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10337
10338   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10339 }
10340
10341 static void DrawCustomChangeContentArea(void)
10342 {
10343   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10344   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10345   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10346   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10347   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10348   int xoffset = ED_GADGET_SPACE_DISTANCE;
10349
10350   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10351
10352   MapDrawingArea(id);
10353 }
10354
10355 static void RemoveElementContentArea(int id, int font_height)
10356 {
10357   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10358
10359   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10360                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10361                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10362                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10363                  ED_GADGET_TEXT_DISTANCE + font_height);
10364 }
10365
10366 static void DrawYamYamContentAreas(void)
10367 {
10368   int font_nr = FONT_TEXT_1;
10369   int font_height = getFontHeight(font_nr);
10370   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10371   int yoffset = (tilesize - font_height) / 2;
10372   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10373   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10374   int i;
10375
10376   // display counter to choose number of element content areas
10377   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10378
10379   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10380   {
10381     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10382
10383     if (i < level.num_yamyam_contents)
10384     {
10385       MapDrawingArea(id);
10386     }
10387     else
10388     {
10389       UnmapDrawingArea(id);
10390
10391       // delete content areas in case of reducing number of them
10392       RemoveElementContentArea(id, font_height);
10393     }
10394   }
10395
10396   DrawText(x, y + 0 * tilesize, "content", font_nr);
10397   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10398   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10399 }
10400
10401 static void DrawMagicBallContentAreas(void)
10402 {
10403   int font_nr = FONT_TEXT_1;
10404   int font_height = getFontHeight(font_nr);
10405   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10406   int yoffset = (tilesize - font_height) / 2;
10407   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10408   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10409   int i;
10410
10411   // display counter to choose number of element content areas
10412   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10413
10414   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10415   {
10416     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10417
10418     if (i < level.num_ball_contents)
10419     {
10420       MapDrawingArea(id);
10421     }
10422     else
10423     {
10424       UnmapDrawingArea(id);
10425
10426       // delete content areas in case of reducing number of them
10427       RemoveElementContentArea(id, font_height);
10428     }
10429   }
10430
10431   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10432   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10433   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10434 }
10435
10436 static void DrawAndroidElementArea(void)
10437 {
10438   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10439   int num_elements = level.num_android_clone_elements;
10440   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10441   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10442   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10443   int xsize = MAX_ANDROID_ELEMENTS;
10444   int ysize = 1;
10445
10446   // display counter to choose number of element areas
10447   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
10448
10449   if (drawingarea_info[id].text_left != NULL)
10450     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10451
10452   UnmapDrawingArea(id);
10453
10454   ModifyEditorDrawingArea(id, num_elements, 1);
10455
10456   // delete content areas in case of reducing number of them
10457   DrawBackground(sx, sy,
10458                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10459                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10460
10461   MapDrawingArea(id);
10462 }
10463
10464 static void DrawGroupElementArea(void)
10465 {
10466   int id = ED_DRAWING_ID_GROUP_CONTENT;
10467   int num_elements = group_element_info.num_elements;
10468   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10469   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10470   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10471   int xsize = MAX_ELEMENTS_IN_GROUP;
10472   int ysize = 1;
10473
10474   if (drawingarea_info[id].text_left != NULL)
10475     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10476
10477   UnmapDrawingArea(id);
10478
10479   ModifyEditorDrawingArea(id, num_elements, 1);
10480
10481   // delete content areas in case of reducing number of them
10482   DrawBackground(sx, sy,
10483                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10484                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10485
10486   MapDrawingArea(id);
10487 }
10488
10489 static void DrawPlayerInitialInventoryArea(int element)
10490 {
10491   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
10492   int player_nr = GET_PLAYER_NR(element);
10493   int num_elements = level.initial_inventory_size[player_nr];
10494   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10495   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10496   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10497   int xsize = MAX_INITIAL_INVENTORY_SIZE;
10498   int ysize = 1;
10499
10500   // determine horizontal position to the right of specified gadget
10501   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
10502     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
10503           ED_DRAWINGAREA_TEXT_DISTANCE);
10504
10505   // determine horizontal offset for leading text
10506   if (drawingarea_info[id].text_left != NULL)
10507     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10508
10509   UnmapDrawingArea(id);
10510
10511   ModifyEditorDrawingArea(id, num_elements, 1);
10512
10513   // delete content areas in case of reducing number of them
10514   DrawBackground(sx, sy,
10515                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10516                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10517
10518   MapDrawingArea(id);
10519 }
10520
10521 static void DrawMMBallContentArea(void)
10522 {
10523   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
10524   int num_elements = level.num_mm_ball_contents;
10525   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10526   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10527   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10528   int xsize = MAX_MM_BALL_CONTENTS;
10529   int ysize = 1;
10530
10531   if (drawingarea_info[id].text_left != NULL)
10532     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10533
10534   UnmapDrawingArea(id);
10535
10536   ModifyEditorDrawingArea(id, num_elements, 1);
10537
10538   // delete content areas in case of reducing number of them
10539   DrawBackground(sx, sy,
10540                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10541                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10542
10543   MapDrawingArea(id);
10544 }
10545
10546 static void DrawEnvelopeTextArea(int envelope_nr)
10547 {
10548   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
10549   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
10550
10551   UnmapGadget(gi);
10552
10553   DrawBackground(gi->x, gi->y,
10554                  gi->textarea.crop_width, gi->textarea.crop_height);
10555
10556   if (envelope_nr != -1)
10557     textarea_info[id].value = level.envelope[envelope_nr].text;
10558
10559   ModifyGadget(gi, GDI_AREA_SIZE,
10560                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
10561                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
10562                GDI_END);
10563
10564   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
10565 }
10566
10567 static void DrawPropertiesInfo(void)
10568 {
10569   static struct
10570   {
10571     int value;
10572     char *text;
10573   }
10574   properties[] =
10575   {
10576     // configurable properties
10577
10578     { EP_WALKABLE_OVER,         "- player can walk over it"             },
10579     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
10580     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
10581     { EP_PASSABLE_OVER,         "- player can pass over it"             },
10582     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
10583     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
10584     { EP_PROTECTED,             "- player is protected by it"           },
10585
10586     { EP_DIGGABLE,              "- can be digged away"                  },
10587     { EP_COLLECTIBLE,           "- can be collected"                    },
10588     { EP_DROPPABLE,             "- can be dropped after collecting"     },
10589     { EP_THROWABLE,             "- can be thrown after collecting"      },
10590     { EP_PUSHABLE,              "- can be pushed"                       },
10591
10592     { EP_CAN_FALL,              "- can fall"                            },
10593     { EP_CAN_MOVE,              "- can move"                            },
10594
10595     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
10596 #if 0
10597     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
10598 #endif
10599     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
10600
10601     { EP_SLIPPERY,              "- slippery for falling elements"       },
10602     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
10603
10604     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
10605     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
10606     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
10607     { EP_DONT_TOUCH,            "- deadly when touching"                },
10608
10609     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
10610
10611     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
10612     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
10613     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
10614
10615     { EP_CAN_CHANGE,            "- can change to other element"         },
10616
10617     // pre-defined properties
10618     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
10619     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
10620     { EP_SWITCHABLE,            "- can be switched"                     },
10621 #if 0
10622     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
10623 #endif
10624
10625     { -1,                       NULL                                    }
10626   };
10627   char *filename = getElementDescriptionFilename(properties_element);
10628   char *num_elements_text = "In this level: ";
10629   char *num_similar_text = "Similar tiles: ";
10630   char *properties_text = "Standard properties: ";
10631   char *description_text = "Description:";
10632   char *no_description_text = "No description available.";
10633   char *none_text = "None";
10634   float percentage;
10635   int num_elements_in_level = 0;
10636   int num_similar_in_level = 0;
10637   int num_hires_tiles_in_level = 0;
10638   int num_standard_properties = 0;
10639   int font1_nr = FONT_TEXT_1;
10640   int font2_nr = FONT_TEXT_2;
10641   int font1_width = getFontWidth(font1_nr);
10642   int font1_height = getFontHeight(font1_nr);
10643   int font2_height = getFontHeight(font2_nr);
10644   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
10645   int font2_yoffset = (font1_height - font2_height) / 2;
10646   int num_elements_text_len = strlen(num_elements_text) * font1_width;
10647   int num_similar_text_len = strlen(num_similar_text) * font1_width;
10648   int properties_text_len = strlen(properties_text) * font1_width;
10649   int xpos = ED_ELEMENT_SETTINGS_X(0);
10650   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10651   int i, x, y;
10652
10653   if (setup.editor.show_element_token)
10654   {
10655     int font3_nr = FONT_TEXT_3;
10656     int font3_height = getFontHeight(font3_nr);
10657
10658     DrawTextF(xpos, ypos, font3_nr,
10659               "[%s]", element_info[properties_element].token_name);
10660
10661     ypos += 2 * font3_height;
10662   }
10663
10664   // ----- print number of elements / percentage of this element in level
10665
10666   for (y = 0; y < lev_fieldy; y++)
10667   {
10668     for (x = 0; x < lev_fieldx; x++)
10669     {
10670       if (Tile[x][y] == properties_element)
10671       {
10672         num_elements_in_level++;
10673       }
10674       else if (IS_MM_WALL(Tile[x][y]) &&
10675                map_mm_wall_element(Tile[x][y]) == properties_element)
10676       {
10677         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
10678       }
10679     }
10680   }
10681
10682   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10683
10684   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
10685
10686   if (num_hires_tiles_in_level > 0)
10687     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10688               "%d wall tiles", num_hires_tiles_in_level);
10689   else if (num_elements_in_level > 0)
10690     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10691               "%d (%.2f %%)", num_elements_in_level, percentage);
10692   else
10693     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10694               none_text);
10695
10696   // ----- print number of similar elements / percentage of them in level
10697
10698   for (y = 0; y < lev_fieldy; y++)
10699   {
10700     for (x = 0; x < lev_fieldx; x++)
10701     {
10702       if (strEqual(element_info[Tile[x][y]].class_name,
10703                    element_info[properties_element].class_name))
10704       {
10705         num_similar_in_level++;
10706       }
10707     }
10708   }
10709
10710   if (num_similar_in_level != num_elements_in_level)
10711   {
10712     ypos += 1 * MAX(font1_height, font2_height);
10713
10714     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10715
10716     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
10717
10718     if (num_similar_in_level > 0)
10719       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10720                 "%d (%.2f %%)", num_similar_in_level, percentage);
10721     else
10722       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10723                 none_text);
10724   }
10725
10726   ypos += 2 * MAX(font1_height, font2_height);
10727
10728   // ----- print standard properties of this element
10729
10730   DrawTextS(xpos, ypos, font1_nr, properties_text);
10731
10732   ypos += line1_height;
10733
10734   for (i = 0; properties[i].value != -1; i++)
10735   {
10736     if (!HAS_PROPERTY(properties_element, properties[i].value))
10737       continue;
10738
10739     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
10740
10741     ypos += font2_height;
10742
10743     num_standard_properties++;
10744   }
10745
10746   if (num_standard_properties == 0)
10747   {
10748     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
10749               font2_nr, none_text);
10750
10751     ypos -= (line1_height - font1_height);
10752   }
10753
10754   ypos += MAX(font1_height, font2_height);
10755
10756   // ----- print special description of this element
10757
10758   PrintInfoText(description_text, font1_nr, xpos, ypos);
10759
10760   ypos += line1_height;
10761
10762   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
10763     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
10764 }
10765
10766 #define TEXT_COLLECTING         "Score for collecting"
10767 #define TEXT_COLLECTING_EXTRA   "Score for extra diamonds"
10768 #define TEXT_SMASHING           "Score for smashing"
10769 #define TEXT_SLURPING           "Score for slurping robot"
10770 #define TEXT_CRACKING           "Score for cracking"
10771 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
10772 #define TEXT_AMOEBA_THRESHOED   "Size for turning to rocks"
10773 #define TEXT_AMOEBA_SLOW_TIME   "Slow growth time (seconds)"
10774 #define TEXT_AMOEBA_SLOW_RATE   "Slow growth rate (percent)"
10775 #define TEXT_AMOEBA_FAST_RATE   "Fast growth rate (percent)"
10776 #define TEXT_DURATION           "Duration when activated"
10777 #define TEXT_DELAY_ON           "Delay before activating"
10778 #define TEXT_DELAY_OFF          "Delay before deactivating"
10779 #define TEXT_DELAY_CHANGING     "Delay before changing"
10780 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
10781 #define TEXT_DELAY_MOVING       "Delay before moving"
10782 #define TEXT_BALL_DELAY         "Element generation delay"
10783 #define TEXT_MOVE_SPEED         "Speed of android moving"
10784 #define TEXT_CLONE_SPEED        "Speed of android cloning"
10785 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
10786 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
10787 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
10788 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
10789 #define TEXT_TIME_BONUS         "Extra time to solve level"
10790
10791 static struct
10792 {
10793   int element;
10794   int *value;
10795   char *text;
10796 } elements_with_counter[] =
10797 {
10798   { EL_EMERALD,                 &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10799   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10800   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA], TEXT_COLLECTING_EXTRA   },
10801   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10802   { EL_EMERALD_RED,             &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10803   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10804   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10805   { EL_DIAMOND,                 &level.score[SC_DIAMOND],       TEXT_COLLECTING         },
10806   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],       TEXT_COLLECTING         },
10807   { EL_PEARL,                   &level.score[SC_PEARL],         TEXT_COLLECTING         },
10808   { EL_BUG,                     &level.score[SC_BUG],           TEXT_SMASHING           },
10809   { EL_BUG_RIGHT,               &level.score[SC_BUG],           TEXT_SMASHING           },
10810   { EL_BUG_UP,                  &level.score[SC_BUG],           TEXT_SMASHING           },
10811   { EL_BUG_LEFT,                &level.score[SC_BUG],           TEXT_SMASHING           },
10812   { EL_BUG_DOWN,                &level.score[SC_BUG],           TEXT_SMASHING           },
10813   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],           TEXT_SMASHING           },
10814   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],           TEXT_SMASHING           },
10815   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],           TEXT_SMASHING           },
10816   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],           TEXT_SMASHING           },
10817   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],           TEXT_SMASHING           },
10818   { EL_SP_ELECTRON,             &level.score[SC_BUG],           TEXT_SMASHING           },
10819   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10820   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10821   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10822   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10823   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10824   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10825   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10826   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10827   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10828   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10829   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10830   { EL_YAMYAM,                  &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10831   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10832   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10833   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10834   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10835   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10836   { EL_ROBOT,                   &level.score[SC_ROBOT],         TEXT_SMASHING           },
10837   { EL_PACMAN,                  &level.score[SC_PACMAN],        TEXT_SMASHING           },
10838   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],        TEXT_SMASHING           },
10839   { EL_PACMAN_UP,               &level.score[SC_PACMAN],        TEXT_SMASHING           },
10840   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],        TEXT_SMASHING           },
10841   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],        TEXT_SMASHING           },
10842   { EL_NUT,                     &level.score[SC_NUT],           TEXT_CRACKING           },
10843   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10844   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10845   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10846   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10847   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10848   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],        TEXT_COLLECTING         },
10849   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],        TEXT_COLLECTING         },
10850   { EL_EXTRA_TIME,              &level.extra_time_score,        TEXT_COLLECTING         },
10851   { EL_KEY_1,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10852   { EL_KEY_2,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10853   { EL_KEY_3,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10854   { EL_KEY_4,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10855   { EL_EM_KEY_1,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10856   { EL_EM_KEY_2,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10857   { EL_EM_KEY_3,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10858   { EL_EM_KEY_4,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10859   { EL_EMC_KEY_5,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10860   { EL_EMC_KEY_6,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10861   { EL_EMC_KEY_7,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10862   { EL_EMC_KEY_8,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10863   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],           TEXT_COLLECTING         },
10864   { EL_MM_KETTLE,               &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10865   { EL_DF_CELL,                 &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10866   { EL_MM_KEY,                  &level.score[SC_KEY],           TEXT_COLLECTING         },
10867   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING         },
10868   { EL_MM_PACMAN,               &level.score[SC_PACMAN],        TEXT_SMASHING           },
10869   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],        TEXT_SMASHING           },
10870   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],        TEXT_SMASHING           },
10871   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],        TEXT_SMASHING           },
10872   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],        TEXT_SMASHING           },
10873   { EL_AMOEBA_WET,              &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10874   { EL_AMOEBA_DRY,              &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10875   { EL_AMOEBA_FULL,             &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10876   { EL_BD_AMOEBA,               &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10877   { EL_EMC_DRIPPER,             &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10878   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
10879   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
10880   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE   },
10881   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE   },
10882   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
10883   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
10884   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE   },
10885   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE   },
10886   { EL_MAGIC_WALL,              &level.time_magic_wall,         TEXT_DURATION           },
10887   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,         TEXT_DURATION           },
10888   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,         TEXT_DURATION           },
10889   { EL_ROBOT_WHEEL,             &level.time_wheel,              TEXT_DURATION           },
10890   { EL_TIMEGATE_SWITCH,         &level.time_timegate,           TEXT_DURATION           },
10891   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,           TEXT_DURATION           },
10892   { EL_LIGHT_SWITCH,            &level.time_light,              TEXT_DURATION           },
10893   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,              TEXT_DURATION           },
10894   { EL_SHIELD_NORMAL,           &level.shield_normal_time,      TEXT_DURATION           },
10895   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,      TEXT_DURATION           },
10896   { EL_EXTRA_TIME,              &level.extra_time,              TEXT_TIME_BONUS         },
10897   { EL_TIME_ORB_FULL,           &level.time_orb_time,           TEXT_TIME_BONUS         },
10898   { EL_GAME_OF_LIFE,            &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1     },
10899   { EL_GAME_OF_LIFE,            &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2     },
10900   { EL_GAME_OF_LIFE,            &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3     },
10901   { EL_GAME_OF_LIFE,            &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4     },
10902   { EL_BIOMAZE,                 &level.biomaze[0],              TEXT_GAME_OF_LIFE_1     },
10903   { EL_BIOMAZE,                 &level.biomaze[1],              TEXT_GAME_OF_LIFE_2     },
10904   { EL_BIOMAZE,                 &level.biomaze[2],              TEXT_GAME_OF_LIFE_3     },
10905   { EL_BIOMAZE,                 &level.biomaze[3],              TEXT_GAME_OF_LIFE_4     },
10906   { EL_EMC_ANDROID,             &level.android_move_time,       TEXT_MOVE_SPEED         },
10907   { EL_EMC_ANDROID,             &level.android_clone_time,      TEXT_CLONE_SPEED        },
10908   { EL_EMC_MAGIC_BALL,          &level.ball_time,               TEXT_BALL_DELAY         },
10909   { EL_EMC_LENSES,              &level.lenses_score,            TEXT_COLLECTING         },
10910   { EL_EMC_MAGNIFIER,           &level.magnify_score,           TEXT_COLLECTING         },
10911   { EL_SPRING,                  &level.slurp_score,             TEXT_SLURPING           },
10912   { EL_SPRING_LEFT,             &level.slurp_score,             TEXT_SLURPING           },
10913   { EL_SPRING_RIGHT,            &level.slurp_score,             TEXT_SLURPING           },
10914   { EL_EMC_LENSES,              &level.lenses_time,             TEXT_DURATION           },
10915   { EL_EMC_MAGNIFIER,           &level.magnify_time,            TEXT_DURATION           },
10916   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,            TEXT_DELAY_OFF          },
10917   { EL_MM_BOMB,                 &level.mm_time_bomb,            TEXT_DELAY_EXPLODING    },
10918   { EL_MM_GRAY_BALL,            &level.mm_time_ball,            TEXT_DELAY_CHANGING     },
10919   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,           TEXT_DELAY_MOVING       },
10920   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,           TEXT_DELAY_MOVING       },
10921
10922   { -1,                         NULL,                           NULL                    }
10923 };
10924
10925 static boolean checkPropertiesConfig(int element)
10926 {
10927   int i;
10928
10929   // special case: empty space customization only available in R'n'D game engine
10930   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
10931     return FALSE;
10932
10933   // special case: BD style rock customization only available in BD game engine
10934   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
10935     return FALSE;
10936
10937   if (IS_GEM(element) ||
10938       IS_CUSTOM_ELEMENT(element) ||
10939       IS_GROUP_ELEMENT(element) ||
10940       IS_EMPTY_ELEMENT(element) ||
10941       IS_BALLOON_ELEMENT(element) ||
10942       IS_ENVELOPE(element) ||
10943       IS_MM_ENVELOPE(element) ||
10944       IS_MM_MCDUFFIN(element) ||
10945       IS_DF_LASER(element) ||
10946       IS_PLAYER_ELEMENT(element) ||
10947       IS_BD_PLAYER_ELEMENT(element) ||
10948       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
10949       HAS_EDITOR_CONTENT(element) ||
10950       CAN_GROW(element) ||
10951       COULD_MOVE_INTO_ACID(element) ||
10952       MAYBE_DONT_COLLIDE_WITH(element) ||
10953       element == EL_BD_ROCK ||
10954       element == EL_BD_MEGA_ROCK ||
10955       element == EL_BD_SWEET)
10956   {
10957     return TRUE;
10958   }
10959   else
10960   {
10961     for (i = 0; elements_with_counter[i].element != -1; i++)
10962       if (elements_with_counter[i].element == element)
10963         return TRUE;
10964   }
10965
10966   return FALSE;
10967 }
10968
10969 static void SetAutomaticNumberOfGemsNeeded(void)
10970 {
10971   int x, y;
10972
10973   if (!level.auto_count_gems)
10974     return;
10975
10976   level.gems_needed = 0;
10977
10978   for (x = 0; x < lev_fieldx; x++)
10979   {
10980     for (y = 0; y < lev_fieldy; y++)
10981     {
10982       int element = Tile[x][y];
10983
10984       switch (element)
10985       {
10986         case EL_EMERALD:
10987         case EL_EMERALD_YELLOW:
10988         case EL_EMERALD_RED:
10989         case EL_EMERALD_PURPLE:
10990         case EL_BD_DIAMOND:
10991         case EL_WALL_EMERALD:
10992         case EL_WALL_EMERALD_YELLOW:
10993         case EL_WALL_EMERALD_RED:
10994         case EL_WALL_EMERALD_PURPLE:
10995         case EL_WALL_BD_DIAMOND:
10996         case EL_NUT:
10997         case EL_SP_INFOTRON:
10998         case EL_MM_KETTLE:
10999         case EL_DF_CELL:
11000           level.gems_needed++;
11001           break;
11002
11003         case EL_DIAMOND:
11004         case EL_WALL_DIAMOND:
11005           level.gems_needed += 3;
11006           break;
11007
11008         case EL_PEARL:
11009         case EL_WALL_PEARL:
11010           level.gems_needed += 5;
11011           break;
11012
11013         case EL_CRYSTAL:
11014         case EL_WALL_CRYSTAL:
11015           level.gems_needed += 8;
11016           break;
11017
11018         default:
11019           break;
11020       }
11021     }
11022   }
11023
11024   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11025 }
11026
11027 static void DrawPropertiesConfig(void)
11028 {
11029   boolean draw_footer_line = FALSE;
11030   int max_num_element_counters = 4;
11031   int num_element_counters = 0;
11032   int i;
11033
11034   if (!checkPropertiesConfig(properties_element))
11035   {
11036     int xpos = ED_ELEMENT_SETTINGS_X(0);
11037     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11038
11039     PrintInfoText("No configuration options available.",
11040                   FONT_TEXT_1, xpos, ypos);
11041
11042     return;
11043   }
11044
11045   // check if there are elements where a value can be chosen for
11046   for (i = 0; elements_with_counter[i].element != -1; i++)
11047   {
11048     if (elements_with_counter[i].element == properties_element)
11049     {
11050       // special case: score for extra diamonds only available in BD game engine
11051       if (elements_with_counter[i].element == EL_BD_DIAMOND &&
11052           elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
11053           level.game_engine_type != GAME_ENGINE_TYPE_BD)
11054         continue;
11055
11056       // special case: some amoeba counters only available in BD game engine
11057       if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11058           elements_with_counter[i].value != &level.amoeba_speed &&
11059           level.game_engine_type != GAME_ENGINE_TYPE_BD)
11060         continue;
11061
11062       // special case: some amoeba counters only available in R'n'D game engine
11063       if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11064           elements_with_counter[i].value == &level.amoeba_speed &&
11065           level.game_engine_type == GAME_ENGINE_TYPE_BD)
11066         continue;
11067
11068       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
11069
11070       counterbutton_info[counter_id].y =
11071         ED_ELEMENT_SETTINGS_YPOS(
11072                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
11073                 (CAN_GROW(properties_element)                ? 1 : 0) +
11074                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
11075                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
11076                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
11077                 num_element_counters);
11078
11079       // special case: set amoeba counters for BD game engine separately
11080       if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
11081           (properties_element == EL_BD_AMOEBA_2))
11082         counterbutton_info[counter_id].y =
11083           ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
11084
11085       counterbutton_info[counter_id].value = elements_with_counter[i].value;
11086       counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
11087
11088       if (properties_element == EL_GAME_OF_LIFE ||
11089           properties_element == EL_BIOMAZE)
11090       {
11091         counterbutton_info[counter_id].min_value = 0;   // min neighbours
11092         counterbutton_info[counter_id].max_value = 8;   // max neighbours
11093       }
11094       else if (strEqual(elements_with_counter[i].text, TEXT_AMOEBA_SLOW_RATE) ||
11095                strEqual(elements_with_counter[i].text, TEXT_AMOEBA_FAST_RATE))
11096       {
11097         counterbutton_info[counter_id].min_value = 0;   // min percent
11098         counterbutton_info[counter_id].max_value = 100; // max percent
11099       }
11100       else
11101       {
11102         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
11103         counterbutton_info[counter_id].min_value = MIN_SCORE;
11104         counterbutton_info[counter_id].max_value = MAX_SCORE;
11105       }
11106
11107       MapCounterButtons(counter_id);
11108
11109       num_element_counters++;
11110       if (num_element_counters >= max_num_element_counters)
11111         break;
11112     }
11113   }
11114
11115   if (HAS_EDITOR_CONTENT(properties_element))
11116   {
11117     // draw stickybutton gadget
11118     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11119
11120     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11121     {
11122       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11123       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11124
11125       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
11126       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
11127     }
11128     else if (properties_element == EL_BD_AMOEBA_2)
11129     {
11130       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11131       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11132       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
11133
11134       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
11135       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
11136       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
11137       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
11138     }
11139     else if (IS_AMOEBOID(properties_element))
11140       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
11141     else if (properties_element == EL_YAMYAM ||
11142              properties_element == EL_YAMYAM_LEFT ||
11143              properties_element == EL_YAMYAM_RIGHT ||
11144              properties_element == EL_YAMYAM_UP ||
11145              properties_element == EL_YAMYAM_DOWN)
11146       DrawYamYamContentAreas();
11147     else if (properties_element == EL_EMC_MAGIC_BALL)
11148     {
11149       DrawMagicBallContentAreas();
11150
11151       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
11152       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
11153     }
11154     else if (properties_element == EL_EMC_ANDROID)
11155       DrawAndroidElementArea();
11156     else if (properties_element == EL_MM_GRAY_BALL)
11157     {
11158       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
11159       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
11160       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
11161       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
11162
11163       DrawMMBallContentArea();
11164     }
11165   }
11166
11167   if (IS_PLAYER_ELEMENT(properties_element))
11168   {
11169     int player_nr = GET_PLAYER_NR(properties_element);
11170
11171     // these properties can be set for every player individually
11172
11173     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11174     {
11175       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
11176         &level.start_element[player_nr];
11177       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
11178         &level.artwork_element[player_nr];
11179       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
11180         &level.explosion_element[player_nr];
11181
11182       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
11183         &level.use_start_element[player_nr];
11184       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
11185         &level.use_artwork_element[player_nr];
11186       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
11187         &level.use_explosion_element[player_nr];
11188       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
11189         &level.initial_player_gravity[player_nr];
11190
11191       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
11192         &level.initial_player_stepsize[player_nr];
11193
11194       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
11195       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
11196                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
11197                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
11198       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
11199       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
11200       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
11201       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
11202       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
11203       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
11204       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
11205       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
11206       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
11207       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
11208       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
11209
11210       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
11211       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
11212       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
11213
11214       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11215     }
11216     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11217     {
11218       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11219         &level.initial_inventory_content[player_nr][0];
11220
11221       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
11222         &level.initial_inventory_size[player_nr];
11223
11224       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11225         &level.use_initial_inventory[player_nr];
11226
11227       // draw checkbutton gadgets
11228       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11229       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11230       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11231
11232       // draw counter gadgets
11233       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11234
11235       // draw drawing area gadgets
11236       DrawPlayerInitialInventoryArea(properties_element);
11237     }
11238   }
11239
11240   if (IS_BD_PLAYER_ELEMENT(properties_element))
11241   {
11242     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11243       ED_ELEMENT_SETTINGS_YPOS(2);
11244     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11245       ED_ELEMENT_SETTINGS_YPOS(3);
11246     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11247       ED_ELEMENT_SETTINGS_YPOS(4);
11248
11249     // draw checkbutton gadgets
11250     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11251     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
11252     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11253
11254     // draw counter gadgets
11255     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11256     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11257   }
11258
11259   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11260   {
11261     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11262       ED_ELEMENT_SETTINGS_YPOS(0);
11263     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11264       ED_ELEMENT_SETTINGS_YPOS(1);
11265
11266     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11267     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11268   }
11269
11270   if (properties_element == EL_BD_MEGA_ROCK ||
11271       properties_element == EL_BD_SWEET)
11272   {
11273     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11274       ED_ELEMENT_SETTINGS_YPOS(0);
11275     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11276       ED_ELEMENT_SETTINGS_YPOS(1);
11277
11278     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11279     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11280   }
11281
11282   if (properties_element == EL_BD_MAGIC_WALL)
11283   {
11284     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
11285     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
11286   }
11287
11288   // special case: slippery walls option for gems only available in R'n'D game engine
11289   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
11290     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
11291
11292   if (properties_element == EL_EM_DYNAMITE)
11293     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
11294
11295   if (COULD_MOVE_INTO_ACID(properties_element) &&
11296       !IS_PLAYER_ELEMENT(properties_element) &&
11297       (!IS_CUSTOM_ELEMENT(properties_element) ||
11298        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
11299   {
11300     // set position for checkbutton for "can move into acid"
11301     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
11302       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
11303     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
11304       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
11305                                IS_BALLOON_ELEMENT(properties_element) ||
11306                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11307
11308     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
11309   }
11310
11311   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
11312     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
11313
11314   if (properties_element == EL_SPRING ||
11315       properties_element == EL_SPRING_LEFT ||
11316       properties_element == EL_SPRING_RIGHT)
11317     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
11318
11319   if (properties_element == EL_TIME_ORB_FULL)
11320     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
11321
11322   if (properties_element == EL_GAME_OF_LIFE ||
11323       properties_element == EL_BIOMAZE)
11324     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
11325
11326   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11327   {
11328     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
11329       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11330
11331     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
11332   }
11333
11334   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
11335     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
11336
11337   if (properties_element == EL_SOKOBAN_OBJECT)
11338     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
11339
11340   if (properties_element == EL_SOKOBAN_OBJECT ||
11341       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
11342       properties_element == EL_SOKOBAN_FIELD_FULL)
11343   {
11344     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
11345       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
11346                                0 : 1);
11347
11348     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
11349   }
11350
11351   if (IS_BALLOON_ELEMENT(properties_element))
11352     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
11353
11354   if (IS_ENVELOPE(properties_element) ||
11355       IS_MM_ENVELOPE(properties_element))
11356   {
11357     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
11358     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
11359     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
11360     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
11361     int envelope_nr = ENVELOPE_NR(properties_element);
11362
11363     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
11364     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
11365
11366     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
11367     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
11368
11369     // display counter to choose size of envelope text area
11370     MapCounterButtons(counter1_id);
11371     MapCounterButtons(counter2_id);
11372
11373     // display checkbuttons to choose auto-wrap and alignment properties
11374     MapCheckbuttonGadget(button1_id);
11375     MapCheckbuttonGadget(button2_id);
11376
11377     DrawEnvelopeTextArea(envelope_nr);
11378   }
11379
11380   if (IS_MM_MCDUFFIN(properties_element))
11381   {
11382     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
11383     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
11384     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
11385   }
11386
11387   if (IS_DF_LASER(properties_element))
11388   {
11389     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
11390     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
11391     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
11392   }
11393
11394   if (IS_CUSTOM_ELEMENT(properties_element))
11395   {
11396     // draw stickybutton gadget
11397     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11398
11399     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11400     {
11401       // draw checkbutton gadgets
11402       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
11403            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
11404         MapCheckbuttonGadget(i);
11405
11406       // draw counter gadgets
11407       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
11408            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
11409         MapCounterButtons(i);
11410
11411       // draw selectbox gadgets
11412       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
11413            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
11414         MapSelectboxGadget(i);
11415
11416       // draw textbutton gadgets
11417       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11418
11419       // draw text input gadgets
11420       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11421
11422       // draw drawing area gadgets
11423       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11424
11425       draw_footer_line = TRUE;
11426     }
11427     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11428     {
11429       // draw checkbutton gadgets
11430       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
11431            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
11432         MapCheckbuttonGadget(i);
11433
11434       // draw counter gadgets
11435       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
11436            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
11437         MapCounterButtons(i);
11438
11439       // draw selectbox gadgets
11440       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
11441            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
11442         MapSelectboxGadget(i);
11443
11444       // draw drawing area gadgets
11445       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
11446       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
11447       DrawCustomContentArea();
11448     }
11449   }
11450   else if (IS_GROUP_ELEMENT(properties_element))
11451   {
11452     // draw stickybutton gadget
11453     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11454
11455     // draw checkbutton gadgets
11456     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11457     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11458
11459     // draw counter gadgets
11460     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
11461
11462     // draw selectbox gadgets
11463     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
11464
11465     // draw textbutton gadgets
11466     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11467
11468     // draw drawing area gadgets
11469     DrawGroupElementArea();
11470
11471     // draw text input gadgets
11472     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11473
11474     // draw drawing area gadgets
11475     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11476
11477     draw_footer_line = TRUE;
11478   }
11479   else if (IS_EMPTY_ELEMENT(properties_element))
11480   {
11481     // draw stickybutton gadget
11482     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11483
11484     // draw checkbutton gadgets
11485     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11486     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11487
11488     // draw textbutton gadgets
11489     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11490
11491     // draw drawing area gadgets
11492     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11493
11494     draw_footer_line = TRUE;
11495   }
11496
11497   // draw little footer border line above CE/GE use/save template gadgets
11498   if (draw_footer_line)
11499   {
11500     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11501     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11502     int gd_x = gd->x + gd_gi1->border.width / 2;
11503     int gd_y = gd->y + gd_gi1->height - 1;
11504     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
11505
11506     if (tab_color != BLACK_PIXEL)               // black => transparent
11507       FillRectangle(drawto,
11508                     SX + ED_ELEMENT_SETTINGS_X(0),
11509                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
11510                     ED_TAB_BAR_HEIGHT,
11511                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11512   }
11513 }
11514
11515 static void DrawPropertiesChangeDrawingAreas(void)
11516 {
11517   if (IS_CUSTOM_ELEMENT(properties_element))
11518   {
11519     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
11520     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
11521     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
11522
11523     DrawCustomChangeContentArea();
11524   }
11525
11526   redraw_mask |= REDRAW_FIELD;
11527 }
11528
11529 static void DrawPropertiesChange(void)
11530 {
11531   int i;
11532
11533   // needed to initially set selectbox options for special action options
11534   setSelectboxSpecialActionOptions();
11535
11536   // draw stickybutton gadget
11537   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11538
11539   // draw checkbutton gadgets
11540   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
11541        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
11542     MapCheckbuttonGadget(i);
11543
11544   // draw counter gadgets
11545   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
11546        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
11547     MapCounterButtons(i);
11548
11549   // draw selectbox gadgets
11550   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
11551        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
11552     MapSelectboxGadget(i);
11553
11554   // draw textbutton gadgets
11555   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
11556        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
11557     MapTextbuttonGadget(i);
11558
11559   // draw graphicbutton gadgets
11560   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
11561        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
11562     MapGraphicbuttonGadget(i);
11563
11564   // draw drawing area gadgets
11565   DrawPropertiesChangeDrawingAreas();
11566 }
11567
11568 static void DrawEditorElementAnimation(int x, int y)
11569 {
11570   int graphic = el2img(properties_element);
11571   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
11572                custom_element.ce_value_fixed_initial :
11573                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
11574                custom_element.collect_score_initial : FrameCounter);
11575
11576   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
11577 }
11578
11579 static void DrawEditorElementName(int x, int y, int font_nr)
11580 {
11581   char *element_name = getElementInfoText(properties_element);
11582   int font_width = getFontWidth(font_nr);
11583   int font_height = getFontHeight(font_nr);
11584   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
11585   int max_chars_per_line = max_text_width / font_width;
11586
11587   if (strlen(element_name) <= max_chars_per_line)
11588     DrawTextS(x, y, font_nr, element_name);
11589   else
11590   {
11591     char buffer[max_chars_per_line + 1];
11592     int next_pos = max_chars_per_line;
11593
11594     strncpy(buffer, element_name, max_chars_per_line);
11595     buffer[max_chars_per_line] = '\0';
11596
11597     if (element_name[max_chars_per_line] == ' ')
11598       next_pos++;
11599     else
11600     {
11601       int i;
11602
11603       for (i = max_chars_per_line - 1; i >= 0; i--)
11604         if (buffer[i] == ' ')
11605           break;
11606
11607       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
11608       {
11609         buffer[i] = '\0';
11610         next_pos = i + 1;
11611       }
11612     }
11613
11614     DrawTextS(x, y - font_height / 2, font_nr, buffer);
11615
11616     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
11617     buffer[max_chars_per_line] = '\0';
11618
11619     DrawTextS(x, y + font_height / 2, font_nr, buffer);
11620   }
11621 }
11622
11623 static void DrawPropertiesWindow(void)
11624 {
11625   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
11626   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
11627   int border_size = gd->border_size;
11628   int font_nr = FONT_TEXT_1;
11629   int font_height = getFontHeight(font_nr);
11630   int xoffset = TILEX + element_border + 3 * border_size;
11631   int yoffset = (TILEY - font_height) / 2;
11632   int x1 = editor.settings.element_graphic.x + element_border;
11633   int y1 = editor.settings.element_graphic.y + element_border;
11634   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
11635             editor.settings.element_name.x);
11636   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
11637             editor.settings.element_name.y);
11638   char *text = "Element Settings";
11639   int font2_nr = FONT_TITLE_1;
11640   struct MenuPosInfo *pos = &editor.settings.headline;
11641   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
11642   int sy = SY + pos->y;
11643
11644   stick_element_properties_window = FALSE;
11645
11646   // make sure that previous properties edit mode exists for this element
11647   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
11648       !IS_CUSTOM_ELEMENT(properties_element))
11649     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
11650
11651   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
11652       !IS_PLAYER_ELEMENT(properties_element) &&
11653       !IS_CUSTOM_ELEMENT(properties_element))
11654     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
11655
11656   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
11657       (IS_PLAYER_ELEMENT(properties_element) ||
11658        IS_CUSTOM_ELEMENT(properties_element)))
11659     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
11660
11661   CopyElementPropertiesToEditor(properties_element);
11662
11663   UnmapLevelEditorFieldGadgets();
11664   UnmapLevelEditorToolboxDrawingGadgets();
11665   UnmapLevelEditorToolboxCustomGadgets();
11666
11667   MapLevelEditorToolboxCustomGadgetsIfNeeded();
11668
11669   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11670   ClearField();
11671
11672   DrawText(sx, sy, text, font2_nr);
11673
11674   FrameCounter = 0;     // restart animation frame counter
11675
11676   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
11677   DrawEditorElementAnimation(SX + x1, SY + y1);
11678   DrawEditorElementName(x2, y2, font_nr);
11679
11680   DrawPropertiesTabulatorGadgets();
11681
11682   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
11683     DrawPropertiesInfo();
11684   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
11685     DrawPropertiesChange();
11686   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
11687     DrawPropertiesConfig();
11688 }
11689
11690 static void DrawPaletteWindow(void)
11691 {
11692   int i;
11693
11694   UnmapLevelEditorFieldGadgets();
11695
11696   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11697   ClearField();
11698
11699   // map buttons to select elements
11700   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
11701     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
11702   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
11703   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
11704   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
11705 }
11706
11707 static void UpdateCustomElementGraphicGadgets(void)
11708 {
11709   int i;
11710
11711   InitElementPropertiesGfxElement();
11712
11713   ModifyEditorElementList();
11714   RedrawDrawingElements();
11715
11716   // force redraw of all mapped drawing area gadgets
11717   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
11718   {
11719     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
11720
11721     if (gi->mapped)
11722       MapDrawingArea(i);
11723   }
11724 }
11725
11726 static int getOpenDirectionFromTube(int element)
11727 {
11728   switch (element)
11729   {
11730     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
11731     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
11732     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
11733     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
11734     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
11735     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
11736     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
11737     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
11738     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
11739     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
11740     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
11741   }
11742
11743   return MV_NONE;
11744 }
11745
11746 static int getTubeFromOpenDirection(int direction)
11747 {
11748   switch (direction)
11749   {
11750     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
11751     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
11752     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
11753     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
11754     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
11755     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
11756     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
11757     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
11758     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
11759     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
11760     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
11761
11762     // if only one direction, fall back to simple tube with that direction
11763     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
11764     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
11765     case (MV_UP):                       return EL_TUBE_VERTICAL;
11766     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
11767   }
11768
11769   return EL_EMPTY;
11770 }
11771
11772 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
11773 {
11774   int element_new = getTubeFromOpenDirection(direction);
11775
11776   return (element_new != EL_EMPTY ? element_new : element_old);
11777 }
11778
11779 static int getOpenDirectionFromBelt(int element)
11780 {
11781   int belt_dir = getBeltDirFromBeltElement(element);
11782
11783   return (belt_dir == MV_LEFT ? MV_RIGHT :
11784           belt_dir == MV_RIGHT ? MV_LEFT :
11785           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
11786 }
11787
11788 static int getBeltFromNrAndOpenDirection(int nr, int direction)
11789 {
11790   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
11791                   direction == MV_RIGHT ? MV_LEFT :
11792                   direction == MV_HORIZONTAL ? MV_NONE : direction);
11793
11794   if (direction == MV_NONE)
11795     return EL_EMPTY;
11796
11797   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
11798 }
11799
11800 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
11801                                                  int element_old)
11802 {
11803   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
11804
11805   return (element_new != EL_EMPTY ? element_new : element_old);
11806 }
11807
11808 static int getOpenDirectionFromPool(int element)
11809 {
11810   switch (element)
11811   {
11812     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
11813     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
11814     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
11815     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
11816     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
11817     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
11818   }
11819
11820   return MV_NONE;
11821 }
11822
11823 static int getPoolFromOpenDirection(int direction)
11824 {
11825   switch (direction)
11826   {
11827     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
11828     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
11829     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
11830     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
11831     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
11832     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
11833   }
11834
11835   return EL_EMPTY;
11836 }
11837
11838 static int getPoolFromOpenDirectionExt(int direction, int help_element)
11839 {
11840   int element = getPoolFromOpenDirection(direction);
11841   int help_direction = getOpenDirectionFromPool(help_element);
11842
11843   if (element == EL_EMPTY)
11844   {
11845     int help_direction_vertical = help_direction & MV_VERTICAL;
11846
11847     element = getPoolFromOpenDirection(direction | help_direction_vertical);
11848   }
11849
11850   if (element == EL_EMPTY)
11851   {
11852     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
11853
11854     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
11855   }
11856
11857   return element;
11858 }
11859
11860 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
11861 {
11862   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
11863
11864   return (element_new != EL_EMPTY ? element_new : element_old);
11865 }
11866
11867 static int getOpenDirectionFromPillar(int element)
11868 {
11869   switch (element)
11870   {
11871     case EL_EMC_WALL_1:                 return (MV_DOWN);
11872     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
11873     case EL_EMC_WALL_3:                 return (MV_UP);
11874   }
11875
11876   return MV_NONE;
11877 }
11878
11879 static int getPillarFromOpenDirection(int direction)
11880 {
11881   switch (direction)
11882   {
11883     case (MV_DOWN):                     return EL_EMC_WALL_1;
11884     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
11885     case (MV_UP):                       return EL_EMC_WALL_3;
11886   }
11887
11888   return EL_EMPTY;
11889 }
11890
11891 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
11892 {
11893   int element_new = getPillarFromOpenDirection(direction);
11894
11895   return (element_new != EL_EMPTY ? element_new : element_old);
11896 }
11897
11898 static int getOpenDirectionFromSteel2(int element)
11899 {
11900   switch (element)
11901   {
11902     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
11903     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
11904     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
11905     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
11906     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
11907     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
11908     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
11909     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
11910   }
11911
11912   return MV_NONE;
11913 }
11914
11915 static int getSteel2FromOpenDirection(int direction)
11916 {
11917   switch (direction)
11918   {
11919     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
11920     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
11921     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
11922     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
11923     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
11924     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
11925     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
11926     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
11927   }
11928
11929   return EL_EMPTY;
11930 }
11931
11932 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
11933 {
11934   int element_new = getSteel2FromOpenDirection(direction);
11935
11936   return (element_new != EL_EMPTY ? element_new : element_old);
11937 }
11938
11939 static int getOpenDirectionFromChip(int element)
11940 {
11941   switch (element)
11942   {
11943     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
11944     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
11945     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
11946     case EL_SP_CHIP_TOP:                return (MV_DOWN);
11947     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
11948   }
11949
11950   return MV_NONE;
11951 }
11952
11953 static int getChipFromOpenDirection(int direction)
11954 {
11955   switch (direction)
11956   {
11957     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
11958     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
11959     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
11960     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
11961     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
11962   }
11963
11964   return EL_EMPTY;
11965 }
11966
11967 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
11968 {
11969   int element_new = getChipFromOpenDirection(direction);
11970
11971   return (element_new != EL_EMPTY ? element_new : element_old);
11972 }
11973
11974 static int getClosedTube(int x, int y)
11975 {
11976   struct XY *xy = xy_directions;
11977   int element_old = IntelliDrawBuffer[x][y];
11978   int direction_old = getOpenDirectionFromTube(element_old);
11979   int direction_new = MV_NONE;
11980   int i;
11981
11982   for (i = 0; i < NUM_DIRECTIONS; i++)
11983   {
11984     int xx = x + xy[i].x;
11985     int yy = y + xy[i].y;
11986     int dir = MV_DIR_FROM_BIT(i);
11987     int dir_opposite = MV_DIR_OPPOSITE(dir);
11988
11989     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
11990         (direction_old & dir) &&
11991         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11992       direction_new |= dir;
11993   }
11994
11995   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
11996 }
11997
11998 static int getClosedBelt(int x, int y)
11999 {
12000   struct XY *xy = xy_directions;
12001   int element_old = IntelliDrawBuffer[x][y];
12002   int nr = getBeltNrFromBeltElement(element_old);
12003   int direction_old = getOpenDirectionFromBelt(element_old);
12004   int direction_new = MV_NONE;
12005   int i;
12006
12007   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12008   {
12009     int xx = x + xy[i].x;
12010     int yy = y + xy[i].y;
12011     int dir = MV_DIR_FROM_BIT(i);
12012     int dir_opposite = MV_DIR_OPPOSITE(dir);
12013
12014     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
12015         (direction_old & dir) &&
12016         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12017       direction_new |= dir;
12018   }
12019
12020   return getBeltFromNrAndOpenDirection(nr, direction_new);
12021 }
12022
12023 static int getClosedPool(int x, int y)
12024 {
12025   struct XY *xy = xy_directions;
12026   int element_old = IntelliDrawBuffer[x][y];
12027   int direction_old = getOpenDirectionFromPool(element_old);
12028   int direction_new = MV_NONE;
12029   int i;
12030
12031   for (i = 0; i < NUM_DIRECTIONS; i++)
12032   {
12033     int xx = x + xy[i].x;
12034     int yy = y + xy[i].y;
12035     int dir = MV_DIR_FROM_BIT(i);
12036     int dir_opposite = MV_DIR_OPPOSITE(dir);
12037
12038     if (IN_LEV_FIELD(xx, yy) &&
12039         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
12040         (direction_old & dir) &&
12041         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12042       direction_new |= dir;
12043   }
12044
12045   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
12046 }
12047
12048 static int getClosedPillar(int x, int y)
12049 {
12050   struct XY *xy = xy_directions;
12051   int element_old = IntelliDrawBuffer[x][y];
12052   int direction_old = getOpenDirectionFromPillar(element_old);
12053   int direction_new = MV_NONE;
12054   int i;
12055
12056   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12057   {
12058     int xx = x + xy[i].x;
12059     int yy = y + xy[i].y;
12060     int dir = MV_DIR_FROM_BIT(i);
12061     int dir_opposite = MV_DIR_OPPOSITE(dir);
12062
12063     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
12064         (direction_old & dir) &&
12065         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12066       direction_new |= dir;
12067   }
12068
12069   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
12070 }
12071
12072 static int getClosedSteel2(int x, int y)
12073 {
12074   struct XY *xy = xy_directions;
12075   int element_old = IntelliDrawBuffer[x][y];
12076   int direction_old = getOpenDirectionFromSteel2(element_old);
12077   int direction_new = MV_NONE;
12078   int i;
12079
12080   for (i = 0; i < NUM_DIRECTIONS; i++)
12081   {
12082     int xx = x + xy[i].x;
12083     int yy = y + xy[i].y;
12084     int dir = MV_DIR_FROM_BIT(i);
12085     int dir_opposite = MV_DIR_OPPOSITE(dir);
12086
12087     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
12088         (direction_old & dir) &&
12089         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12090       direction_new |= dir;
12091   }
12092
12093   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
12094 }
12095
12096 static int getClosedChip(int x, int y)
12097 {
12098   struct XY *xy = xy_directions;
12099   int element_old = IntelliDrawBuffer[x][y];
12100   int direction_old = getOpenDirectionFromChip(element_old);
12101   int direction_new = MV_NONE;
12102   int i;
12103
12104   for (i = 0; i < NUM_DIRECTIONS; i++)
12105   {
12106     int xx = x + xy[i].x;
12107     int yy = y + xy[i].y;
12108     int dir = MV_DIR_FROM_BIT(i);
12109     int dir_opposite = MV_DIR_OPPOSITE(dir);
12110
12111     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
12112         (direction_old & dir) &&
12113         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12114       direction_new |= dir;
12115   }
12116
12117   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
12118 }
12119
12120 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
12121                                 boolean change_level)
12122 {
12123   int sx = x - level_xpos;
12124   int sy = y - level_ypos;
12125   int old_element = Tile[x][y];
12126   int new_element = element;
12127   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
12128   boolean draw_masked = FALSE;
12129
12130   if (IS_MM_WALL_EDITOR(element))
12131   {
12132     element = map_mm_wall_element_editor(element) | new_bitmask;
12133
12134     if (IS_MM_WALL(old_element))
12135       element |= MM_WALL_BITS(old_element);
12136
12137     if (!change_level)
12138       draw_masked = TRUE;
12139   }
12140   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
12141   {
12142     int element_changed = old_element & ~new_bitmask;
12143
12144     if (MM_WALL_BITS(element_changed) != 0)
12145       element = element_changed;
12146   }
12147
12148   IntelliDrawBuffer[x][y] = element;
12149
12150   if (change_level)
12151     Tile[x][y] = element;
12152
12153   if (IN_ED_FIELD(sx, sy))
12154   {
12155     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
12156       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
12157     else if (draw_masked)
12158       DrawEditorElementThruMask(sx, sy, element);
12159     else
12160       DrawEditorElement(sx, sy, element);
12161   }
12162 }
12163
12164 static void SetElementSimple(int x, int y, int element, boolean change_level)
12165 {
12166   SetElementSimpleExt(x, y, 0, 0, element, change_level);
12167 }
12168
12169 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
12170                                            int x2, int y2, int *element2,
12171                                            int (*close_function)(int, int),
12172                                            boolean change_level)
12173 {
12174   // set neighbour elements to newly determined connections
12175   SetElementSimple(x1, y1, *element1, change_level);
12176   SetElementSimple(x2, y2, *element2, change_level);
12177
12178   // remove all open connections of neighbour elements
12179   *element1 = close_function(x1, y1);
12180   *element2 = close_function(x2, y2);
12181
12182   // set neighbour elements to new, minimized connections
12183   SetElementSimple(x1, y1, *element1, change_level);
12184   SetElementSimple(x2, y2, *element2, change_level);
12185 }
12186
12187 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
12188                                   boolean change_level, int button)
12189 {
12190   struct XY *xy = xy_directions;
12191   static int last_x = -1;
12192   static int last_y = -1;
12193
12194   if (new_element == EL_UNDEFINED)
12195   {
12196     last_x = -1;
12197     last_y = -1;
12198
12199     return;
12200   }
12201
12202   int old_element = IntelliDrawBuffer[x][y];
12203
12204   if (IS_TUBE(new_element))
12205   {
12206     int last_element_new = EL_UNDEFINED;
12207     int direction = MV_NONE;
12208     int i;
12209
12210     // if old element is of same kind, keep all existing directions
12211     if (IS_TUBE(old_element))
12212       direction |= getOpenDirectionFromTube(old_element);
12213
12214     for (i = 0; i < NUM_DIRECTIONS; i++)
12215     {
12216       int xx = x + xy[i].x;
12217       int yy = y + xy[i].y;
12218
12219       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12220           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
12221       {
12222         int dir = MV_DIR_FROM_BIT(i);
12223         int dir_opposite = MV_DIR_OPPOSITE(dir);
12224         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12225         int last_direction_old = getOpenDirectionFromTube(last_element_old);
12226         int last_direction_new = last_direction_old | dir_opposite;
12227
12228         last_element_new = getTubeFromOpenDirection(last_direction_new);
12229
12230         direction |= dir;
12231       }
12232     }
12233
12234     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
12235
12236     if (last_element_new != EL_UNDEFINED)
12237       MergeAndCloseNeighbourElements(x, y, &new_element,
12238                                      last_x, last_y, &last_element_new,
12239                                      getClosedTube, change_level);
12240   }
12241   else if (IS_BELT(new_element))
12242   {
12243     int belt_nr = getBeltNrFromBeltElement(new_element);
12244     int last_element_new = EL_UNDEFINED;
12245     int direction = MV_NONE;
12246     int i;
12247
12248     // if old element is of same kind, keep all existing directions
12249     if (IS_BELT(old_element))
12250       direction |= getOpenDirectionFromBelt(old_element);
12251
12252     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12253     {
12254       int xx = x + xy[i].x;
12255       int yy = y + xy[i].y;
12256
12257       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12258           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
12259       {
12260         int dir = MV_DIR_FROM_BIT(i);
12261         int dir_opposite = MV_DIR_OPPOSITE(dir);
12262         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12263         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
12264         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
12265         int last_direction_new = last_direction_old | dir_opposite;
12266
12267         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
12268                                                          last_direction_new);
12269         direction |= dir;
12270       }
12271     }
12272
12273     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
12274                                                         new_element);
12275     if (last_element_new != EL_UNDEFINED)
12276       MergeAndCloseNeighbourElements(x, y, &new_element,
12277                                      last_x, last_y, &last_element_new,
12278                                      getClosedBelt, change_level);
12279   }
12280   else if (IS_ACID_POOL_OR_ACID(new_element))
12281   {
12282     int last_element_new = EL_UNDEFINED;
12283     int direction = MV_NONE;
12284     int i;
12285
12286     // if old element is of same kind, keep all existing directions
12287     if (IS_ACID_POOL_OR_ACID(old_element))
12288       direction |= getOpenDirectionFromPool(old_element);
12289
12290     for (i = 0; i < NUM_DIRECTIONS; i++)
12291     {
12292       int xx = x + xy[i].x;
12293       int yy = y + xy[i].y;
12294
12295       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12296           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
12297       {
12298         int dir = MV_DIR_FROM_BIT(i);
12299         int dir_opposite = MV_DIR_OPPOSITE(dir);
12300         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12301         int last_direction_old = getOpenDirectionFromPool(last_element_old);
12302         int last_direction_new = last_direction_old | dir_opposite;
12303
12304         last_element_new = getPoolFromOpenDirection(last_direction_new);
12305
12306         direction |= dir;
12307       }
12308     }
12309
12310     // special corrections needed for intuitively correct acid pool drawing
12311     if (last_element_new == EL_EMPTY)
12312       last_element_new = new_element;
12313     else if (last_element_new != EL_UNDEFINED)
12314       new_element = last_element_new;
12315
12316     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
12317
12318     if (last_element_new != EL_UNDEFINED)
12319       MergeAndCloseNeighbourElements(x, y, &new_element,
12320                                      last_x, last_y, &last_element_new,
12321                                      getClosedPool, change_level);
12322   }
12323   else if (IS_EMC_PILLAR(new_element))
12324   {
12325     int last_element_new = EL_UNDEFINED;
12326     int direction = MV_NONE;
12327     int i;
12328
12329     // if old element is of same kind, keep all existing directions
12330     if (IS_EMC_PILLAR(old_element))
12331       direction |= getOpenDirectionFromPillar(old_element);
12332
12333     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12334     {
12335       int xx = x + xy[i].x;
12336       int yy = y + xy[i].y;
12337
12338       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12339           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
12340       {
12341         int dir = MV_DIR_FROM_BIT(i);
12342         int dir_opposite = MV_DIR_OPPOSITE(dir);
12343         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12344         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
12345         int last_direction_new = last_direction_old | dir_opposite;
12346
12347         last_element_new = getPillarFromOpenDirection(last_direction_new);
12348
12349         direction |= dir;
12350       }
12351     }
12352
12353     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
12354
12355     if (last_element_new != EL_UNDEFINED)
12356       MergeAndCloseNeighbourElements(x, y, &new_element,
12357                                      last_x, last_y, &last_element_new,
12358                                      getClosedPillar, change_level);
12359   }
12360   else if (IS_DC_STEELWALL_2(new_element))
12361   {
12362     int last_element_new = EL_UNDEFINED;
12363     int direction = MV_NONE;
12364     int i;
12365
12366     // if old element is of same kind, keep all existing directions
12367     if (IS_DC_STEELWALL_2(old_element))
12368       direction |= getOpenDirectionFromSteel2(old_element);
12369
12370     for (i = 0; i < NUM_DIRECTIONS; i++)
12371     {
12372       int xx = x + xy[i].x;
12373       int yy = y + xy[i].y;
12374
12375       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12376           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
12377       {
12378         int dir = MV_DIR_FROM_BIT(i);
12379         int dir_opposite = MV_DIR_OPPOSITE(dir);
12380         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12381         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
12382         int last_direction_new = last_direction_old | dir_opposite;
12383
12384         last_element_new = getSteel2FromOpenDirection(last_direction_new);
12385
12386         direction |= dir;
12387       }
12388     }
12389
12390     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
12391
12392     if (last_element_new != EL_UNDEFINED)
12393       MergeAndCloseNeighbourElements(x, y, &new_element,
12394                                      last_x, last_y, &last_element_new,
12395                                      getClosedSteel2, change_level);
12396   }
12397   else if (IS_SP_CHIP(new_element))
12398   {
12399     int last_element_new = EL_UNDEFINED;
12400     int direction = MV_NONE;
12401     int i;
12402
12403     // (do not keep existing directions, regardless of kind of old element)
12404
12405     for (i = 0; i < NUM_DIRECTIONS; i++)
12406     {
12407       int xx = x + xy[i].x;
12408       int yy = y + xy[i].y;
12409
12410       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12411           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
12412       {
12413         int dir = MV_DIR_FROM_BIT(i);
12414         int dir_opposite = MV_DIR_OPPOSITE(dir);
12415         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12416         int last_direction_old = getOpenDirectionFromChip(last_element_old);
12417         int last_direction_new = last_direction_old | dir_opposite;
12418
12419         if (last_direction_old == MV_NONE)
12420         {
12421           last_element_new = getChipFromOpenDirection(last_direction_new);
12422           direction |= dir;
12423         }
12424         else if (last_direction_old & (dir | dir_opposite))
12425         {
12426           direction |= MV_DIR_OPPOSITE(last_direction_old);
12427         }
12428         else
12429         {
12430           direction |= MV_DIR_OPPOSITE(dir);
12431         }
12432       }
12433     }
12434
12435     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
12436
12437     if (last_element_new != EL_UNDEFINED)
12438       MergeAndCloseNeighbourElements(x, y, &new_element,
12439                                      last_x, last_y, &last_element_new,
12440                                      getClosedChip, change_level);
12441   }
12442   else if (IS_SP_HARDWARE_BASE(new_element))
12443   {
12444     int nr = GetSimpleRandom(6);
12445
12446     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
12447                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
12448                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
12449                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
12450                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
12451   }
12452   else if (new_element == EL_SP_HARDWARE_GREEN ||
12453            new_element == EL_SP_HARDWARE_BLUE ||
12454            new_element == EL_SP_HARDWARE_RED)
12455   {
12456     int nr = GetSimpleRandom(3);
12457
12458     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
12459                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
12460   }
12461   else if (IS_GROUP_ELEMENT(new_element))
12462   {
12463     boolean connected_drawing = FALSE;
12464     int i;
12465
12466     for (i = 0; i < NUM_DIRECTIONS; i++)
12467     {
12468       int xx = x + xy[i].x;
12469       int yy = y + xy[i].y;
12470
12471       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12472           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
12473         connected_drawing = TRUE;
12474     }
12475
12476     if (!connected_drawing)
12477       ResolveGroupElement(new_element);
12478
12479     new_element = GetElementFromGroupElement(new_element);
12480   }
12481   else if (IS_BELT_SWITCH(old_element))
12482   {
12483     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
12484     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
12485
12486     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
12487                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
12488
12489     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
12490   }
12491   else
12492   {
12493     static int swappable_elements[][2] =
12494     {
12495       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
12496       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
12497       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
12498       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
12499       { EL_EMERALD,                     EL_WALL_EMERALD                 },
12500       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
12501       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
12502       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
12503       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
12504       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
12505       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
12506       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
12507       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
12508       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
12509       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
12510       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
12511       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
12512       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
12513       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
12514       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
12515       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
12516       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
12517       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
12518       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
12519       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
12520       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
12521       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
12522       { EL_PEARL,                       EL_WALL_PEARL                   },
12523       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
12524       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
12525       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
12526       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
12527       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
12528       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
12529       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
12530       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
12531       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
12532       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
12533       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
12534       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
12535       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
12536       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
12537       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
12538       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
12539
12540       { -1,                             -1                              },
12541     };
12542     static int rotatable_elements_4[][4] =
12543     {
12544       {
12545         EL_BUG_UP,
12546         EL_BUG_RIGHT,
12547         EL_BUG_DOWN,
12548         EL_BUG_LEFT
12549       },
12550       {
12551         EL_SPACESHIP_UP,
12552         EL_SPACESHIP_RIGHT,
12553         EL_SPACESHIP_DOWN,
12554         EL_SPACESHIP_LEFT
12555       },
12556       {
12557         EL_BD_BUTTERFLY_UP,
12558         EL_BD_BUTTERFLY_RIGHT,
12559         EL_BD_BUTTERFLY_DOWN,
12560         EL_BD_BUTTERFLY_LEFT
12561       },
12562       {
12563         EL_BD_FIREFLY_UP,
12564         EL_BD_FIREFLY_RIGHT,
12565         EL_BD_FIREFLY_DOWN,
12566         EL_BD_FIREFLY_LEFT
12567       },
12568       {
12569         EL_PACMAN_UP,
12570         EL_PACMAN_RIGHT,
12571         EL_PACMAN_DOWN,
12572         EL_PACMAN_LEFT
12573       },
12574       {
12575         EL_YAMYAM_UP,
12576         EL_YAMYAM_RIGHT,
12577         EL_YAMYAM_DOWN,
12578         EL_YAMYAM_LEFT
12579       },
12580       {
12581         EL_ARROW_UP,
12582         EL_ARROW_RIGHT,
12583         EL_ARROW_DOWN,
12584         EL_ARROW_LEFT
12585       },
12586       {
12587         EL_SP_PORT_UP,
12588         EL_SP_PORT_RIGHT,
12589         EL_SP_PORT_DOWN,
12590         EL_SP_PORT_LEFT
12591       },
12592       {
12593         EL_SP_GRAVITY_PORT_UP,
12594         EL_SP_GRAVITY_PORT_RIGHT,
12595         EL_SP_GRAVITY_PORT_DOWN,
12596         EL_SP_GRAVITY_PORT_LEFT
12597       },
12598       {
12599         EL_SP_GRAVITY_ON_PORT_UP,
12600         EL_SP_GRAVITY_ON_PORT_RIGHT,
12601         EL_SP_GRAVITY_ON_PORT_DOWN,
12602         EL_SP_GRAVITY_ON_PORT_LEFT
12603       },
12604       {
12605         EL_SP_GRAVITY_OFF_PORT_UP,
12606         EL_SP_GRAVITY_OFF_PORT_RIGHT,
12607         EL_SP_GRAVITY_OFF_PORT_DOWN,
12608         EL_SP_GRAVITY_OFF_PORT_LEFT
12609       },
12610       {
12611         EL_MOLE_UP,
12612         EL_MOLE_RIGHT,
12613         EL_MOLE_DOWN,
12614         EL_MOLE_LEFT
12615       },
12616       {
12617         EL_BALLOON_SWITCH_UP,
12618         EL_BALLOON_SWITCH_RIGHT,
12619         EL_BALLOON_SWITCH_DOWN,
12620         EL_BALLOON_SWITCH_LEFT
12621       },
12622       {
12623         EL_MM_MCDUFFIN_UP,
12624         EL_MM_MCDUFFIN_RIGHT,
12625         EL_MM_MCDUFFIN_DOWN,
12626         EL_MM_MCDUFFIN_LEFT
12627       },
12628       {
12629         EL_MM_MIRROR_FIXED_1,
12630         EL_MM_MIRROR_FIXED_4,
12631         EL_MM_MIRROR_FIXED_3,
12632         EL_MM_MIRROR_FIXED_2
12633       },
12634       {
12635         EL_MM_STEEL_GRID_FIXED_1,
12636         EL_MM_STEEL_GRID_FIXED_4,
12637         EL_MM_STEEL_GRID_FIXED_2,
12638         EL_MM_STEEL_GRID_FIXED_3
12639       },
12640       {
12641         EL_MM_WOODEN_GRID_FIXED_1,
12642         EL_MM_WOODEN_GRID_FIXED_4,
12643         EL_MM_WOODEN_GRID_FIXED_2,
12644         EL_MM_WOODEN_GRID_FIXED_3
12645       },
12646       {
12647         EL_MM_POLARIZER_CROSS_1,
12648         EL_MM_POLARIZER_CROSS_4,
12649         EL_MM_POLARIZER_CROSS_3,
12650         EL_MM_POLARIZER_CROSS_2
12651       },
12652       {
12653         EL_MM_PACMAN_UP,
12654         EL_MM_PACMAN_RIGHT,
12655         EL_MM_PACMAN_DOWN,
12656         EL_MM_PACMAN_LEFT
12657       },
12658       {
12659         EL_DF_LASER_UP,
12660         EL_DF_LASER_RIGHT,
12661         EL_DF_LASER_DOWN,
12662         EL_DF_LASER_LEFT
12663       },
12664       {
12665         EL_DF_RECEIVER_UP,
12666         EL_DF_RECEIVER_RIGHT,
12667         EL_DF_RECEIVER_DOWN,
12668         EL_DF_RECEIVER_LEFT
12669       },
12670       {
12671         EL_DF_SLOPE_1,
12672         EL_DF_SLOPE_4,
12673         EL_DF_SLOPE_3,
12674         EL_DF_SLOPE_2
12675       },
12676
12677       {
12678         -1,
12679       },
12680     };
12681     static int rotatable_elements_8[][8] =
12682     {
12683       {
12684         EL_DF_STEEL_GRID_FIXED_1,
12685         EL_DF_STEEL_GRID_FIXED_8,
12686         EL_DF_STEEL_GRID_FIXED_7,
12687         EL_DF_STEEL_GRID_FIXED_6,
12688         EL_DF_STEEL_GRID_FIXED_5,
12689         EL_DF_STEEL_GRID_FIXED_4,
12690         EL_DF_STEEL_GRID_FIXED_3,
12691         EL_DF_STEEL_GRID_FIXED_2
12692       },
12693       {
12694         EL_DF_WOODEN_GRID_FIXED_1,
12695         EL_DF_WOODEN_GRID_FIXED_8,
12696         EL_DF_WOODEN_GRID_FIXED_7,
12697         EL_DF_WOODEN_GRID_FIXED_6,
12698         EL_DF_WOODEN_GRID_FIXED_5,
12699         EL_DF_WOODEN_GRID_FIXED_4,
12700         EL_DF_WOODEN_GRID_FIXED_3,
12701         EL_DF_WOODEN_GRID_FIXED_2
12702       },
12703       {
12704         EL_DF_STEEL_GRID_ROTATING_1,
12705         EL_DF_STEEL_GRID_ROTATING_8,
12706         EL_DF_STEEL_GRID_ROTATING_7,
12707         EL_DF_STEEL_GRID_ROTATING_6,
12708         EL_DF_STEEL_GRID_ROTATING_5,
12709         EL_DF_STEEL_GRID_ROTATING_4,
12710         EL_DF_STEEL_GRID_ROTATING_3,
12711         EL_DF_STEEL_GRID_ROTATING_2
12712       },
12713       {
12714         EL_DF_WOODEN_GRID_ROTATING_1,
12715         EL_DF_WOODEN_GRID_ROTATING_8,
12716         EL_DF_WOODEN_GRID_ROTATING_7,
12717         EL_DF_WOODEN_GRID_ROTATING_6,
12718         EL_DF_WOODEN_GRID_ROTATING_5,
12719         EL_DF_WOODEN_GRID_ROTATING_4,
12720         EL_DF_WOODEN_GRID_ROTATING_3,
12721         EL_DF_WOODEN_GRID_ROTATING_2
12722       },
12723
12724       {
12725         -1,
12726       },
12727     };
12728     static int rotatable_elements_16[][16] =
12729     {
12730       {
12731         EL_MM_MIRROR_1,
12732         EL_MM_MIRROR_16,
12733         EL_MM_MIRROR_15,
12734         EL_MM_MIRROR_14,
12735         EL_MM_MIRROR_13,
12736         EL_MM_MIRROR_12,
12737         EL_MM_MIRROR_11,
12738         EL_MM_MIRROR_10,
12739         EL_MM_MIRROR_9,
12740         EL_MM_MIRROR_8,
12741         EL_MM_MIRROR_7,
12742         EL_MM_MIRROR_6,
12743         EL_MM_MIRROR_5,
12744         EL_MM_MIRROR_4,
12745         EL_MM_MIRROR_3,
12746         EL_MM_MIRROR_2
12747       },
12748       {
12749         EL_MM_TELEPORTER_5,
12750         EL_MM_TELEPORTER_4,
12751         EL_MM_TELEPORTER_3,
12752         EL_MM_TELEPORTER_2,
12753         EL_MM_TELEPORTER_1,
12754         EL_MM_TELEPORTER_16,
12755         EL_MM_TELEPORTER_15,
12756         EL_MM_TELEPORTER_14,
12757         EL_MM_TELEPORTER_13,
12758         EL_MM_TELEPORTER_12,
12759         EL_MM_TELEPORTER_11,
12760         EL_MM_TELEPORTER_10,
12761         EL_MM_TELEPORTER_9,
12762         EL_MM_TELEPORTER_8,
12763         EL_MM_TELEPORTER_7,
12764         EL_MM_TELEPORTER_6
12765       },
12766       {
12767         EL_MM_TELEPORTER_RED_5,
12768         EL_MM_TELEPORTER_RED_4,
12769         EL_MM_TELEPORTER_RED_3,
12770         EL_MM_TELEPORTER_RED_2,
12771         EL_MM_TELEPORTER_RED_1,
12772         EL_MM_TELEPORTER_RED_16,
12773         EL_MM_TELEPORTER_RED_15,
12774         EL_MM_TELEPORTER_RED_14,
12775         EL_MM_TELEPORTER_RED_13,
12776         EL_MM_TELEPORTER_RED_12,
12777         EL_MM_TELEPORTER_RED_11,
12778         EL_MM_TELEPORTER_RED_10,
12779         EL_MM_TELEPORTER_RED_9,
12780         EL_MM_TELEPORTER_RED_8,
12781         EL_MM_TELEPORTER_RED_7,
12782         EL_MM_TELEPORTER_RED_6
12783       },
12784       {
12785         EL_MM_TELEPORTER_YELLOW_5,
12786         EL_MM_TELEPORTER_YELLOW_4,
12787         EL_MM_TELEPORTER_YELLOW_3,
12788         EL_MM_TELEPORTER_YELLOW_2,
12789         EL_MM_TELEPORTER_YELLOW_1,
12790         EL_MM_TELEPORTER_YELLOW_16,
12791         EL_MM_TELEPORTER_YELLOW_15,
12792         EL_MM_TELEPORTER_YELLOW_14,
12793         EL_MM_TELEPORTER_YELLOW_13,
12794         EL_MM_TELEPORTER_YELLOW_12,
12795         EL_MM_TELEPORTER_YELLOW_11,
12796         EL_MM_TELEPORTER_YELLOW_10,
12797         EL_MM_TELEPORTER_YELLOW_9,
12798         EL_MM_TELEPORTER_YELLOW_8,
12799         EL_MM_TELEPORTER_YELLOW_7,
12800         EL_MM_TELEPORTER_YELLOW_6
12801       },
12802       {
12803         EL_MM_TELEPORTER_GREEN_5,
12804         EL_MM_TELEPORTER_GREEN_4,
12805         EL_MM_TELEPORTER_GREEN_3,
12806         EL_MM_TELEPORTER_GREEN_2,
12807         EL_MM_TELEPORTER_GREEN_1,
12808         EL_MM_TELEPORTER_GREEN_16,
12809         EL_MM_TELEPORTER_GREEN_15,
12810         EL_MM_TELEPORTER_GREEN_14,
12811         EL_MM_TELEPORTER_GREEN_13,
12812         EL_MM_TELEPORTER_GREEN_12,
12813         EL_MM_TELEPORTER_GREEN_11,
12814         EL_MM_TELEPORTER_GREEN_10,
12815         EL_MM_TELEPORTER_GREEN_9,
12816         EL_MM_TELEPORTER_GREEN_8,
12817         EL_MM_TELEPORTER_GREEN_7,
12818         EL_MM_TELEPORTER_GREEN_6
12819       },
12820       {
12821         EL_MM_TELEPORTER_BLUE_5,
12822         EL_MM_TELEPORTER_BLUE_4,
12823         EL_MM_TELEPORTER_BLUE_3,
12824         EL_MM_TELEPORTER_BLUE_2,
12825         EL_MM_TELEPORTER_BLUE_1,
12826         EL_MM_TELEPORTER_BLUE_16,
12827         EL_MM_TELEPORTER_BLUE_15,
12828         EL_MM_TELEPORTER_BLUE_14,
12829         EL_MM_TELEPORTER_BLUE_13,
12830         EL_MM_TELEPORTER_BLUE_12,
12831         EL_MM_TELEPORTER_BLUE_11,
12832         EL_MM_TELEPORTER_BLUE_10,
12833         EL_MM_TELEPORTER_BLUE_9,
12834         EL_MM_TELEPORTER_BLUE_8,
12835         EL_MM_TELEPORTER_BLUE_7,
12836         EL_MM_TELEPORTER_BLUE_6
12837       },
12838       {
12839         EL_MM_POLARIZER_1,
12840         EL_MM_POLARIZER_16,
12841         EL_MM_POLARIZER_15,
12842         EL_MM_POLARIZER_14,
12843         EL_MM_POLARIZER_13,
12844         EL_MM_POLARIZER_12,
12845         EL_MM_POLARIZER_11,
12846         EL_MM_POLARIZER_10,
12847         EL_MM_POLARIZER_9,
12848         EL_MM_POLARIZER_8,
12849         EL_MM_POLARIZER_7,
12850         EL_MM_POLARIZER_6,
12851         EL_MM_POLARIZER_5,
12852         EL_MM_POLARIZER_4,
12853         EL_MM_POLARIZER_3,
12854         EL_MM_POLARIZER_2
12855       },
12856       {
12857         EL_DF_MIRROR_1,
12858         EL_DF_MIRROR_16,
12859         EL_DF_MIRROR_15,
12860         EL_DF_MIRROR_14,
12861         EL_DF_MIRROR_13,
12862         EL_DF_MIRROR_12,
12863         EL_DF_MIRROR_11,
12864         EL_DF_MIRROR_10,
12865         EL_DF_MIRROR_9,
12866         EL_DF_MIRROR_8,
12867         EL_DF_MIRROR_7,
12868         EL_DF_MIRROR_6,
12869         EL_DF_MIRROR_5,
12870         EL_DF_MIRROR_4,
12871         EL_DF_MIRROR_3,
12872         EL_DF_MIRROR_2
12873       },
12874       {
12875         EL_DF_MIRROR_ROTATING_1,
12876         EL_DF_MIRROR_ROTATING_16,
12877         EL_DF_MIRROR_ROTATING_15,
12878         EL_DF_MIRROR_ROTATING_14,
12879         EL_DF_MIRROR_ROTATING_13,
12880         EL_DF_MIRROR_ROTATING_12,
12881         EL_DF_MIRROR_ROTATING_11,
12882         EL_DF_MIRROR_ROTATING_10,
12883         EL_DF_MIRROR_ROTATING_9,
12884         EL_DF_MIRROR_ROTATING_8,
12885         EL_DF_MIRROR_ROTATING_7,
12886         EL_DF_MIRROR_ROTATING_6,
12887         EL_DF_MIRROR_ROTATING_5,
12888         EL_DF_MIRROR_ROTATING_4,
12889         EL_DF_MIRROR_ROTATING_3,
12890         EL_DF_MIRROR_ROTATING_2
12891       },
12892       {
12893         EL_DF_MIRROR_FIXED_1,
12894         EL_DF_MIRROR_FIXED_16,
12895         EL_DF_MIRROR_FIXED_15,
12896         EL_DF_MIRROR_FIXED_14,
12897         EL_DF_MIRROR_FIXED_13,
12898         EL_DF_MIRROR_FIXED_12,
12899         EL_DF_MIRROR_FIXED_11,
12900         EL_DF_MIRROR_FIXED_10,
12901         EL_DF_MIRROR_FIXED_9,
12902         EL_DF_MIRROR_FIXED_8,
12903         EL_DF_MIRROR_FIXED_7,
12904         EL_DF_MIRROR_FIXED_6,
12905         EL_DF_MIRROR_FIXED_5,
12906         EL_DF_MIRROR_FIXED_4,
12907         EL_DF_MIRROR_FIXED_3,
12908         EL_DF_MIRROR_FIXED_2
12909       },
12910
12911       {
12912         -1,
12913       },
12914     };
12915     int i, j;
12916
12917     for (i = 0; swappable_elements[i][0] != -1; i++)
12918     {
12919       int element1 = swappable_elements[i][0];
12920       int element2 = swappable_elements[i][1];
12921
12922       if (old_element == element1 || old_element == element2)
12923         new_element = (old_element == element1 ? element2 : element1);
12924     }
12925
12926     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
12927     {
12928       for (j = 0; j < 4; j++)
12929       {
12930         int element = rotatable_elements_4[i][j];
12931
12932         if (old_element == element)
12933           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
12934                          button == 2 ? rotatable_elements_4[i][0]           :
12935                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
12936                          old_element);
12937       }
12938     }
12939
12940     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
12941     {
12942       for (j = 0; j < 8; j++)
12943       {
12944         int element = rotatable_elements_8[i][j];
12945
12946         if (old_element == element)
12947           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
12948                          button == 2 ? rotatable_elements_8[i][0]           :
12949                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
12950                          old_element);
12951       }
12952     }
12953
12954     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
12955     {
12956       for (j = 0; j < 16; j++)
12957       {
12958         int element = rotatable_elements_16[i][j];
12959
12960         if (old_element == element)
12961           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
12962                          button == 2 ? rotatable_elements_16[i][0]             :
12963                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
12964                          old_element);
12965       }
12966     }
12967
12968     if (old_element != new_element)
12969     {
12970       int max_infotext_len = getMaxInfoTextLength();
12971       char infotext[MAX_OUTPUT_LINESIZE + 1];
12972
12973       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
12974       infotext[max_infotext_len] = '\0';
12975
12976       ClearEditorGadgetInfoText();
12977
12978       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
12979                 infotext);
12980     }
12981   }
12982
12983   if (IS_MM_WALL_EDITOR(new_element))
12984     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
12985   else
12986     SetElementSimple(x, y, new_element, change_level);
12987
12988   last_x = x;
12989   last_y = y;
12990 }
12991
12992 static void ResetIntelliDraw(void)
12993 {
12994   int x, y;
12995
12996   for (x = 0; x < lev_fieldx; x++)
12997     for (y = 0; y < lev_fieldy; y++)
12998       IntelliDrawBuffer[x][y] = Tile[x][y];
12999
13000   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
13001 }
13002
13003 static boolean draw_mode_hires = FALSE;
13004
13005 static boolean isHiresTileElement(int element)
13006 {
13007   return (IS_MM_WALL(element)        || element == EL_EMPTY);
13008 }
13009
13010 static boolean isHiresDrawElement(int element)
13011 {
13012   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
13013 }
13014
13015 static int numHiresTiles(int element)
13016 {
13017   if (IS_MM_WALL(element))
13018     return get_number_of_bits(MM_WALL_BITS(element));
13019
13020   return 1;
13021 }
13022
13023 static void SetDrawModeHiRes(int element)
13024 {
13025   draw_mode_hires =
13026     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13027      isHiresDrawElement(element));
13028 }
13029
13030 static boolean getDrawModeHiRes(void)
13031 {
13032   return draw_mode_hires;
13033 }
13034
13035 static int getLoResScreenPos(int pos)
13036 {
13037   return (getDrawModeHiRes() ? pos / 2 : pos);
13038 }
13039
13040 static int getLoResScreenMod(int pos)
13041 {
13042   return (getDrawModeHiRes() ? pos % 2 : 0);
13043 }
13044
13045 static void SetElementExt(int x, int y, int dx, int dy, int element,
13046                           boolean change_level, int button)
13047 {
13048   if (element < 0)
13049     SetElementSimple(x, y, Tile[x][y], change_level);
13050   else if (GetKeyModState() & KMOD_Shift)
13051     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
13052   else
13053     SetElementSimpleExt(x, y, dx, dy, element, change_level);
13054 }
13055
13056 static void SetElement(int x, int y, int element)
13057 {
13058   SetElementExt(x, y, 0, 0, element, TRUE, -1);
13059 }
13060
13061 static void SetElementButton(int x, int y, int dx, int dy, int element,
13062                              int button)
13063 {
13064   SetElementExt(x, y, dx, dy, element, TRUE, button);
13065 }
13066
13067 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
13068 {
13069   int lx = getLoResScreenPos(sx2) + level_xpos;
13070   int ly = getLoResScreenPos(sy2) + level_ypos;
13071   int dx = getLoResScreenMod(sx2);
13072   int dy = getLoResScreenMod(sy2);
13073
13074   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
13075 }
13076
13077 static void SetLevelElementHiRes(int lx2, int ly2, int element)
13078 {
13079   int lx = lx2 / 2;
13080   int ly = ly2 / 2;
13081   int dx = lx2 % 2;
13082   int dy = ly2 % 2;
13083
13084   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
13085 }
13086
13087 static int getLevelElementHiRes(int lx2, int ly2)
13088 {
13089   int lx = lx2 / 2;
13090   int ly = ly2 / 2;
13091   int dx = lx2 % 2;
13092   int dy = ly2 % 2;
13093   int element = Tile[lx][ly];
13094   unsigned int bitmask = (dx + 1) << (dy * 2);
13095
13096   if (IS_MM_WALL(element))
13097   {
13098     if (element & bitmask)
13099       return map_mm_wall_element(element);
13100     else
13101       return EL_EMPTY;
13102   }
13103
13104   return element;
13105 }
13106
13107 static void DrawLineElement(int x, int y, int element, boolean change_level)
13108 {
13109   SetElementHiRes(x, y, element, change_level);
13110 }
13111
13112 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
13113                      int element, boolean change_level)
13114 {
13115   int xsize = ABS(to_x - from_x);
13116   int ysize = ABS(to_y - from_y);
13117   int dx = (to_x < from_x ? -1 : +1);
13118   int dy = (to_y < from_y ? -1 : +1);
13119   int i;
13120
13121   if (from_y == to_y)                   // horizontal line
13122   {
13123     for (i = 0; i <= xsize; i++)
13124       DrawLineElement(from_x + i * dx, from_y, element, change_level);
13125   }
13126   else if (from_x == to_x)              // vertical line
13127   {
13128     for (i = 0; i <= ysize; i++)
13129       DrawLineElement(from_x, from_y + i * dy, element, change_level);
13130   }
13131   else                                  // diagonal line
13132   {
13133     if (ysize < xsize)                  // a < 1
13134     {
13135       float a = (float)ysize / (float)xsize;
13136
13137       for (i = 0; i <= xsize; i++)
13138       {
13139         int x = dx * i;
13140         int y = dy * (int)(a * i + 0.5);
13141
13142         DrawLineElement(from_x + x, from_y + y, element, change_level);
13143       }
13144     }
13145     else                                // a >= 1
13146     {
13147       float a = (float)xsize / (float)ysize;
13148
13149       for (i = 0; i <= ysize; i++)
13150       {
13151         int x = dx * (int)(a * i + 0.5);
13152         int y = dy * i;
13153
13154         DrawLineElement(from_x + x, from_y + y, element, change_level);
13155       }
13156     }
13157   }
13158 }
13159
13160 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
13161                     int element, boolean change_level)
13162 {
13163   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
13164   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
13165   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
13166   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
13167 }
13168
13169 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
13170                           int element, boolean change_level)
13171 {
13172   int y;
13173
13174   if (from_y > to_y)
13175     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
13176
13177   for (y = from_y; y <= to_y; y++)
13178     DrawLine(from_x, y, to_x, y, element, change_level);
13179 }
13180
13181 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
13182                        int element, boolean change_level)
13183 {
13184   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
13185   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
13186   int len_x = ABS(to_x - from_x);
13187   int len_y = ABS(to_y - from_y);
13188   int radius, x, y;
13189
13190   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
13191
13192   // not optimal (some points get drawn twice) but simple,
13193   // and fast enough for the few points we are drawing
13194
13195   for (x = 0; x <= radius; x++)
13196   {
13197     int sx, sy, sx2, sy2, lx, ly;
13198
13199     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
13200
13201     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13202     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13203     sx = getLoResScreenPos(sx2);
13204     sy = getLoResScreenPos(sy2);
13205     lx = sx + level_xpos;
13206     ly = sy + level_ypos;
13207
13208     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13209       DrawLineElement(sx2, sy2, element, change_level);
13210   }
13211
13212   for (y = 0; y <= radius; y++)
13213   {
13214     int sx, sy, sx2, sy2, lx, ly;
13215
13216     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
13217
13218     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13219     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13220     sx = getLoResScreenPos(sx2);
13221     sy = getLoResScreenPos(sy2);
13222     lx = sx + level_xpos;
13223     ly = sy + level_ypos;
13224
13225     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13226       DrawLineElement(sx2, sy2, element, change_level);
13227   }
13228 }
13229
13230 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
13231                     int element, boolean change_level)
13232 {
13233   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13234   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13235
13236   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13237 }
13238
13239 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
13240
13241 #if DRAW_CIRCLES_BUTTON_AVAILABLE
13242 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
13243                        int element, boolean change_level)
13244 {
13245   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13246   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13247   int mirror_to_x2 = from_x - (to_x2 - from_x);
13248   int mirror_to_y2 = from_y - (to_y2 - from_y);
13249
13250   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13251   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
13252   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
13253   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
13254 }
13255 #endif
13256
13257 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
13258 {
13259   int from_sx, from_sy;
13260   int to_sx, to_sy;
13261
13262   if (from_x > to_x)
13263     swap_numbers(&from_x, &to_x);
13264
13265   if (from_y > to_y)
13266     swap_numbers(&from_y, &to_y);
13267
13268   from_sx = SX + from_x * ed_tilesize;
13269   from_sy = SY + from_y * ed_tilesize;
13270   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
13271   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
13272
13273   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
13274   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
13275   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
13276   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
13277
13278   if (from_x == to_x && from_y == to_y)
13279     MarkTileDirty(from_x/2, from_y/2);
13280   else
13281     redraw_mask |= REDRAW_FIELD;
13282 }
13283
13284 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
13285                         int element, boolean change_level)
13286 {
13287   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
13288 }
13289
13290 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
13291                        int element, boolean change_level)
13292 {
13293   if (element == -1 || change_level)
13294     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
13295   else
13296     DrawAreaBorder(from_x, from_y, to_x, to_y);
13297 }
13298
13299 // values for CopyBrushExt()
13300 #define CB_AREA_TO_BRUSH                0
13301 #define CB_BRUSH_TO_CURSOR              1
13302 #define CB_BRUSH_TO_LEVEL               2
13303 #define CB_DELETE_OLD_CURSOR            3
13304 #define CB_DUMP_BRUSH                   4
13305 #define CB_DUMP_BRUSH_SMALL             5
13306 #define CB_CLIPBOARD_TO_BRUSH           6
13307 #define CB_BRUSH_TO_CLIPBOARD           7
13308 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
13309 #define CB_UPDATE_BRUSH_POSITION        9
13310 #define CB_FLIP_BRUSH_X                 10
13311 #define CB_FLIP_BRUSH_Y                 11
13312 #define CB_FLIP_BRUSH_XY                12
13313
13314 #define MAX_CB_PART_SIZE        10
13315 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
13316 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
13317 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
13318                                  MAX_CB_NUM_LINES *     \
13319                                  MAX_CB_PART_SIZE)
13320
13321 static int getFlippedTileExt(int map[], int element)
13322 {
13323   int i;
13324
13325   for (i = 0; map[i] != -1; i++)
13326     if (map[i] == element)
13327       return map[i ^ 1];        // get flipped element by flipping LSB of index
13328
13329   return element;
13330 }
13331
13332 static int getFlippedTileX(int element)
13333 {
13334   int map[] =
13335   {
13336     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
13337     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
13338     EL_BUG_LEFT,                        EL_BUG_RIGHT,
13339     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
13340     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
13341     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
13342     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
13343     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
13344     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
13345     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
13346     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
13347     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
13348     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
13349     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
13350     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
13351     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
13352     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
13353     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
13354     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
13355     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
13356     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
13357     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
13358     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
13359     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
13360     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
13361     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
13362     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13363     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
13364     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
13365     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
13366
13367     -1
13368   };
13369
13370   return getFlippedTileExt(map, element);
13371 }
13372
13373 static int getFlippedTileY(int element)
13374 {
13375   int map[] =
13376   {
13377     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
13378     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
13379     EL_BUG_UP,                          EL_BUG_DOWN,
13380     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
13381     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
13382     EL_ARROW_UP,                        EL_ARROW_DOWN,
13383     EL_MOLE_UP,                         EL_MOLE_DOWN,
13384     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
13385     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
13386     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
13387     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
13388     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
13389     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
13390     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
13391     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
13392     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
13393     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
13394     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
13395     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
13396     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
13397     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13398     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13399     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
13400     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
13401
13402     -1
13403   };
13404
13405   return getFlippedTileExt(map, element);
13406 }
13407
13408 static int getFlippedTileXY(int element)
13409 {
13410   int map[] =
13411   {
13412     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
13413     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
13414     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
13415     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
13416     EL_BUG_LEFT,                        EL_BUG_UP,
13417     EL_BUG_RIGHT,                       EL_BUG_DOWN,
13418     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
13419     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
13420     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
13421     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
13422     EL_ARROW_LEFT,                      EL_ARROW_UP,
13423     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
13424     EL_MOLE_LEFT,                       EL_MOLE_UP,
13425     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
13426     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
13427     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
13428     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
13429     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
13430     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
13431     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
13432     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
13433     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
13434     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
13435     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
13436     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
13437     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
13438     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
13439     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
13440     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
13441     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
13442     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
13443     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
13444     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
13445     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
13446     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
13447     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
13448     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13449     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
13450     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
13451     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
13452     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
13453     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
13454
13455     -1
13456   };
13457
13458   return getFlippedTileExt(map, element);
13459 }
13460
13461 static int getFlippedTile(int element, int mode)
13462 {
13463   if (IS_MM_ELEMENT(element))
13464   {
13465     // get MM game element
13466     element = map_element_RND_to_MM(element);
13467
13468     // get flipped game element
13469     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
13470                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
13471                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
13472                element);
13473
13474     // get RND game element again
13475     element = map_element_MM_to_RND(element);
13476   }
13477   else
13478   {
13479     // get flipped game element
13480     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
13481                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
13482                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
13483                element);
13484   }
13485
13486   return element;
13487 }
13488
13489 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
13490 {
13491   // flip tiles
13492   short tile1_flipped = getFlippedTile(*tile1, mode);
13493   short tile2_flipped = getFlippedTile(*tile2, mode);
13494
13495   // swap tiles
13496   *tile1 = tile2_flipped;
13497   *tile2 = tile1_flipped;
13498 }
13499
13500 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
13501 {
13502   DrawLineElement(sx, sy, element, change_level);
13503 }
13504
13505 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
13506                          int button, int mode)
13507 {
13508   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13509   static int brush_width, brush_height;
13510   static int last_cursor_x = -1, last_cursor_y = -1;
13511   static boolean delete_old_brush = FALSE;
13512   int new_element = BUTTON_ELEMENT(button);
13513   int x, y;
13514
13515   if (mode == CB_DUMP_BRUSH ||
13516       mode == CB_DUMP_BRUSH_SMALL ||
13517       mode == CB_BRUSH_TO_CLIPBOARD ||
13518       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13519   {
13520     if (edit_mode != ED_MODE_DRAWING)
13521       return;
13522
13523     char part[MAX_CB_PART_SIZE + 1] = "";
13524     char text[MAX_CB_TEXT_SIZE + 1] = "";
13525     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
13526     int height = (draw_with_brush ? brush_height : lev_fieldy);
13527     char *format = "%s%03d";
13528
13529     for (y = 0; y < height; y++)
13530       for (x = 0; x < width; x++)
13531         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
13532           format = "%s%04d";
13533
13534     for (y = 0; y < height; y++)
13535     {
13536       for (x = 0; x < width; x++)
13537       {
13538         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
13539         char *prefix = (mode == CB_DUMP_BRUSH ||
13540                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
13541
13542         if (element >= NUM_FILE_ELEMENTS)
13543           element = EL_UNKNOWN;
13544
13545         // copy brush to level sketch text buffer for the R'n'D forum:
13546         // - large tiles: `xxx or `xxxx (0x60 ASCII)
13547         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
13548         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
13549         strcat(text, part);
13550       }
13551
13552       strcat(text, "\n");
13553     }
13554
13555     if (mode == CB_BRUSH_TO_CLIPBOARD ||
13556         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13557       SDL_SetClipboardText(text);
13558     else
13559       Print("%s", text);        // print brush data to console and log file
13560
13561     return;
13562   }
13563
13564   if (mode == CB_CLIPBOARD_TO_BRUSH)
13565   {
13566     if (edit_mode != ED_MODE_DRAWING)
13567       return;
13568
13569     if (!SDL_HasClipboardText())
13570     {
13571       Request("Clipboard is empty!", REQ_CONFIRM);
13572
13573       return;
13574     }
13575
13576     boolean copy_to_brush = (draw_with_brush ||
13577                              drawing_function == GADGET_ID_GRAB_BRUSH);
13578
13579     // this will delete the old brush, if already drawing with a brush
13580     if (copy_to_brush)
13581       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
13582
13583     // initialization is required for "odd" (incomplete) clipboard content
13584     for (x = 0; x < MAX_LEV_FIELDX; x++)
13585       for (y = 0; y < MAX_LEV_FIELDY; y++)
13586         brush_buffer[x][y] = EL_EMPTY;
13587
13588     brush_width  = 0;
13589     brush_height = 0;
13590     x = 0;
13591     y = 0;
13592
13593     char *clipboard_text = SDL_GetClipboardText();
13594     char *ptr = clipboard_text;
13595     boolean allow_new_row = FALSE;
13596     boolean stop = FALSE;
13597
13598     while (*ptr && !stop)
13599     {
13600       boolean prefix_found = FALSE;
13601       boolean start_new_row = FALSE;
13602
13603       // level sketch element number prefixes (may be multi-byte characters)
13604       char *prefix_list[] = { "`", "¸" };
13605       int i;
13606
13607       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
13608       {
13609         char *prefix = prefix_list[i];
13610
13611         // check if string is large enough for prefix
13612         if (strlen(ptr) < strlen(prefix))
13613         {
13614           stop = TRUE;
13615
13616           break;
13617         }
13618
13619         // check if string starts with prefix
13620         if (strPrefix(ptr, prefix))
13621         {
13622           ptr += strlen(prefix);
13623
13624           prefix_found = TRUE;
13625
13626           break;
13627         }
13628       }
13629
13630       // check if prefix found and followed by (at least) three digits
13631       if (prefix_found &&
13632           strlen(ptr) >= 3 &&
13633           ptr[0] >= '0' && ptr[0] <= '9' &&
13634           ptr[1] >= '0' && ptr[1] <= '9' &&
13635           ptr[2] >= '0' && ptr[2] <= '9')
13636       {
13637         int element = ((ptr[0] - '0') * 100 +
13638                        (ptr[1] - '0') * 10 +
13639                        (ptr[2] - '0'));
13640
13641         ptr += 3;
13642
13643         // level sketch element number might consist of four digits
13644         if (ptr[0] >= '0' && ptr[0] <= '9')
13645         {
13646           element = element * 10 + (ptr[0] - '0');
13647           ptr++;
13648         }
13649
13650         // remap some (historic, now obsolete) elements
13651         element = getMappedElement(element);
13652
13653         if (element >= NUM_FILE_ELEMENTS)
13654           element = EL_UNKNOWN;
13655
13656         brush_buffer[x][y] = element;
13657
13658         brush_width  = MAX(x + 1, brush_width);
13659         brush_height = MAX(y + 1, brush_height);
13660
13661         x++;
13662
13663         if (x >= MAX_LEV_FIELDX)
13664           start_new_row = TRUE;
13665
13666         allow_new_row = TRUE;
13667       }
13668       else
13669       {
13670         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
13671           start_new_row = TRUE;
13672
13673         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
13674       }
13675
13676       if (start_new_row)
13677       {
13678         x = 0;
13679         y++;
13680
13681         if (y >= MAX_LEV_FIELDY)
13682           stop = TRUE;
13683
13684         allow_new_row = FALSE;
13685       }
13686     }
13687
13688     SDL_free(clipboard_text);
13689
13690     if (brush_width == 0 || brush_height == 0)
13691     {
13692       Request("No level sketch found in clipboard!", REQ_CONFIRM);
13693
13694       return;
13695     }
13696
13697     if (copy_to_brush)
13698     {
13699       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
13700       int mx, my;
13701
13702       SDL_GetMouseState(&mx, &my);
13703
13704       // if inside drawing area, activate and draw brush at last mouse position
13705       if (mx >= gi->x && mx < gi->x + gi->width &&
13706           my >= gi->y && my < gi->y + gi->height)
13707         CopyBrushToCursor(last_cursor_x, last_cursor_y);
13708
13709       draw_with_brush = TRUE;
13710     }
13711     else
13712     {
13713       char request[100];
13714
13715       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
13716               brush_width, brush_height);
13717
13718       if (!Request(request, REQ_ASK))
13719         return;
13720
13721       for (x = 0; x < MAX_LEV_FIELDX; x++)
13722         for (y = 0; y < MAX_LEV_FIELDY; y++)
13723           Tile[x][y] = brush_buffer[x][y];
13724
13725       lev_fieldx = level.fieldx = brush_width;
13726       lev_fieldy = level.fieldy = brush_height;
13727
13728       boolean use_bd_engine = TRUE;
13729       boolean use_em_engine = TRUE;
13730       boolean use_sp_engine = TRUE;
13731       boolean use_mm_engine = TRUE;
13732
13733       for (x = 0; x < MAX_LEV_FIELDX; x++)
13734       {
13735         for (y = 0; y < MAX_LEV_FIELDY; y++)
13736         {
13737           int element = Tile[x][y];
13738
13739           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13740             use_bd_engine = FALSE;
13741
13742           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13743             use_em_engine = FALSE;
13744
13745           if (!IS_SP_ELEMENT(element))
13746             use_sp_engine = FALSE;
13747
13748           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
13749             use_mm_engine = FALSE;
13750         }
13751       }
13752
13753       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
13754                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
13755                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
13756                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
13757                                 GAME_ENGINE_TYPE_RND);
13758
13759       // update element selection list
13760       ReinitializeElementList();
13761       ModifyEditorElementList();
13762
13763       SetBorderElement();
13764
13765       DrawEditModeWindow();
13766       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13767     }
13768
13769     return;
13770   }
13771
13772   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
13773     return;
13774
13775   if (mode == CB_AREA_TO_BRUSH)
13776   {
13777     int from_lx, from_ly;
13778
13779     if (from_x > to_x)
13780       swap_numbers(&from_x, &to_x);
13781
13782     if (from_y > to_y)
13783       swap_numbers(&from_y, &to_y);
13784
13785     brush_width = to_x - from_x + 1;
13786     brush_height = to_y - from_y + 1;
13787
13788     from_lx = from_x + level_xpos;
13789     from_ly = from_y + level_ypos;
13790
13791     for (y = 0; y < brush_height; y++)
13792     {
13793       for (x = 0; x < brush_width; x++)
13794       {
13795         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
13796
13797         if (button != 1)
13798           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
13799       }
13800     }
13801
13802     if (button != 1)
13803       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13804
13805     delete_old_brush = FALSE;
13806   }
13807   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
13808            mode == CB_BRUSH_TO_LEVEL)
13809   {
13810     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
13811     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
13812     int cursor_from_x = cursor_x - brush_width / 2;
13813     int cursor_from_y = cursor_y - brush_height / 2;
13814     int border_from_x = cursor_x, border_from_y = cursor_y;
13815     int border_to_x = cursor_x, border_to_y = cursor_y;
13816
13817     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
13818       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13819
13820     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
13821         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
13822     {
13823       delete_old_brush = FALSE;
13824
13825       return;
13826     }
13827
13828     for (y = 0; y < brush_height; y++)
13829     {
13830       for (x = 0; x < brush_width; x++)
13831       {
13832         int sx = cursor_from_x + x;
13833         int sy = cursor_from_y + y;
13834         int lx = sx + level_xpos;
13835         int ly = sy + level_ypos;
13836         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
13837         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
13838                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
13839                        brush_buffer[x][y] : new_element);
13840
13841         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13842         {
13843           if (sx < border_from_x)
13844             border_from_x = sx;
13845           else if (sx > border_to_x)
13846             border_to_x = sx;
13847           if (sy < border_from_y)
13848             border_from_y = sy;
13849           else if (sy > border_to_y)
13850             border_to_y = sy;
13851
13852           DrawBrushElement(sx, sy, element, change_level);
13853         }
13854       }
13855     }
13856
13857     if (mode != CB_DELETE_OLD_CURSOR)
13858       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
13859
13860     last_cursor_x = cursor_x;
13861     last_cursor_y = cursor_y;
13862
13863     delete_old_brush = TRUE;
13864   }
13865   else if (mode == CB_FLIP_BRUSH_X)
13866   {
13867     for (y = 0; y < brush_height; y++)
13868       for (x = 0; x < (brush_width + 1) / 2; x++)
13869         SwapFlippedTiles(&brush_buffer[x][y],
13870                          &brush_buffer[brush_width - x - 1][y], mode);
13871
13872     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13873   }
13874   else if (mode == CB_FLIP_BRUSH_Y)
13875   {
13876     for (y = 0; y < (brush_height + 1) / 2; y++)
13877       for (x = 0; x < brush_width; x++)
13878         SwapFlippedTiles(&brush_buffer[x][y],
13879                          &brush_buffer[x][brush_height - y - 1], mode);
13880
13881     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13882   }
13883   else if (mode == CB_FLIP_BRUSH_XY)
13884   {
13885     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13886
13887     for (y = 0; y < MAX(brush_width, brush_height); y++)
13888       for (x = 0; x <= y; x++)
13889         SwapFlippedTiles(&brush_buffer[x][y],
13890                          &brush_buffer[y][x], mode);
13891
13892     swap_numbers(&brush_width, &brush_height);
13893
13894     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13895   }
13896
13897   if (mode == CB_UPDATE_BRUSH_POSITION)
13898   {
13899     last_cursor_x = from_x;
13900     last_cursor_y = from_y;
13901   }
13902 }
13903
13904 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
13905                             int button)
13906 {
13907   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
13908 }
13909
13910 static void CopyBrushToLevel(int x, int y, int button)
13911 {
13912   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
13913 }
13914
13915 static void CopyBrushToCursor(int x, int y)
13916 {
13917   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13918 }
13919
13920 static void UpdateBrushPosition(int x, int y)
13921 {
13922   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
13923 }
13924
13925 static void DeleteBrushFromCursor(void)
13926 {
13927   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13928 }
13929
13930 static void FlipBrushX(void)
13931 {
13932   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
13933 }
13934
13935 static void FlipBrushY(void)
13936 {
13937   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
13938 }
13939
13940 static void RotateBrush(void)
13941 {
13942   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
13943   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
13944 }
13945
13946 void DumpBrush(void)
13947 {
13948   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
13949 }
13950
13951 void DumpBrush_Small(void)
13952 {
13953   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
13954 }
13955
13956 void CopyClipboardToBrush(void)
13957 {
13958   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
13959 }
13960
13961 void CopyBrushToClipboard(void)
13962 {
13963   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
13964 }
13965
13966 void CopyBrushToClipboard_Small(void)
13967 {
13968   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
13969 }
13970
13971 void UndoLevelEditorOperation(void)
13972 {
13973   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
13974 }
13975
13976 void RedoLevelEditorOperation(void)
13977 {
13978   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13979 }
13980
13981 static void FloodFill(int from_x, int from_y, int fill_element)
13982 {
13983   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
13984 }
13985
13986 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
13987 {
13988   int from_x = from_sx2 + 2 * level_xpos;
13989   int from_y = from_sy2 + 2 * level_ypos;
13990   int max_fillx = lev_fieldx * 2;
13991   int max_filly = lev_fieldy * 2;
13992   short Fill[max_fillx][max_filly];
13993   int x, y;
13994
13995   for (x = 0; x < max_fillx; x++)
13996     for (y = 0; y < max_filly; y++)
13997       Fill[x][y] = getLevelElementHiRes(x, y);
13998
13999   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
14000                     Fill, max_fillx, max_filly);
14001
14002   for (x = 0; x < max_fillx; x++)
14003     for (y = 0; y < max_filly; y++)
14004       if (Fill[x][y] == fill_element)
14005         SetLevelElementHiRes(x, y, Fill[x][y]);
14006 }
14007
14008 // values for DrawLevelText() modes
14009 #define TEXT_INIT               0
14010 #define TEXT_SETCURSOR          1
14011 #define TEXT_WRITECHAR          2
14012 #define TEXT_BACKSPACE          3
14013 #define TEXT_NEWLINE            4
14014 #define TEXT_END                5
14015 #define TEXT_QUERY_TYPING       6
14016
14017 static int DrawLevelText(int sx, int sy, char letter, int mode)
14018 {
14019   static short delete_buffer[MAX_LEV_FIELDX];
14020   static int start_sx;
14021   static int last_sx, last_sy;
14022   static boolean typing = FALSE;
14023   int letter_element;
14024   int lx = 0, ly = 0;
14025
14026   // map lower case letters to upper case and convert special characters
14027   if (letter >= 'a' && letter <= 'z')
14028     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
14029   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
14030     letter_element = EL_CHAR_AUMLAUT;
14031   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
14032     letter_element = EL_CHAR_OUMLAUT;
14033   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
14034     letter_element = EL_CHAR_UUMLAUT;
14035   else if (letter == '^')
14036     letter_element = EL_CHAR_COPYRIGHT;
14037   else
14038     letter_element = EL_CHAR_ASCII0 + letter;
14039
14040   if (mode != TEXT_INIT)
14041   {
14042     if (!typing)
14043       return FALSE;
14044
14045     if (mode != TEXT_SETCURSOR)
14046     {
14047       sx = last_sx;
14048       sy = last_sy;
14049     }
14050
14051     lx = last_sx + level_xpos;
14052     ly = last_sy + level_ypos;
14053   }
14054
14055   switch (mode)
14056   {
14057     case TEXT_INIT:
14058       if (typing)
14059         DrawLevelText(0, 0, 0, TEXT_END);
14060
14061       typing = TRUE;
14062       start_sx = sx;
14063       last_sx = sx;
14064       last_sy = sy;
14065       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
14066       break;
14067
14068     case TEXT_SETCURSOR:
14069       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
14070       DrawAreaBorder(sx, sy, sx, sy);
14071       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
14072                      ed_tilesize, ed_tilesize);
14073       last_sx = sx;
14074       last_sy = sy;
14075       break;
14076
14077     case TEXT_WRITECHAR:
14078       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
14079       {
14080         if (new_element1 >= EL_STEEL_CHAR_START &&
14081             new_element1 <= EL_STEEL_CHAR_END)
14082           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
14083
14084         delete_buffer[sx - start_sx] = Tile[lx][ly];
14085         Tile[lx][ly] = letter_element;
14086
14087         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
14088           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
14089         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14090           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14091         else
14092           DrawLevelText(0, 0, 0, TEXT_END);
14093
14094         level.changed = TRUE;
14095       }
14096       break;
14097
14098     case TEXT_BACKSPACE:
14099       if (sx > start_sx)
14100       {
14101         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
14102         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
14103         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
14104       }
14105       break;
14106
14107     case TEXT_NEWLINE:
14108       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14109         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14110       else
14111         DrawLevelText(0, 0, 0, TEXT_END);
14112       break;
14113
14114     case TEXT_END:
14115       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14116       DrawEditorElement(sx, sy, Tile[lx][ly]);
14117       StopTextInput();
14118       typing = FALSE;
14119       break;
14120
14121     case TEXT_QUERY_TYPING:
14122       break;
14123
14124     default:
14125       break;
14126   }
14127
14128   return typing;
14129 }
14130
14131 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
14132                           int element, boolean change_level)
14133 {
14134   int lx = sx + level_xpos;
14135   int ly = sy + level_ypos;
14136
14137   if (element == -1)
14138     DrawEditorElement(sx, sy, Tile[lx][ly]);
14139   else
14140     DrawAreaBorder(sx, sy, sx, sy);
14141 }
14142
14143 static void CheckLevelBorderElement(boolean redraw_playfield)
14144 {
14145   int last_border_element = BorderElement;
14146
14147   SetBorderElement();
14148
14149   if (redraw_playfield && BorderElement != last_border_element)
14150     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14151 }
14152
14153 static void CopyLevelToUndoBuffer(int mode)
14154 {
14155   static boolean accumulated_undo = FALSE;
14156   boolean new_undo_buffer_position = TRUE;
14157   int x, y;
14158
14159   if (undo_buffer_steps == 0)
14160     accumulated_undo = FALSE;
14161
14162   switch (mode)
14163   {
14164     case UNDO_IMMEDIATE:
14165       accumulated_undo = FALSE;
14166       break;
14167
14168     case UNDO_ACCUMULATE:
14169       if (accumulated_undo)
14170         new_undo_buffer_position = FALSE;
14171       accumulated_undo = TRUE;
14172       break;
14173
14174     default:
14175       break;
14176   }
14177
14178   if (new_undo_buffer_position)
14179   {
14180     // advance position in undo buffer ring
14181     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14182
14183     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
14184       undo_buffer_steps++;
14185   }
14186
14187   // always reset redo buffer when storing level change into undo buffer
14188   redo_buffer_steps = 0;
14189
14190   for (x = 0; x < lev_fieldx; x++)
14191     for (y = 0; y < lev_fieldy; y++)
14192       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
14193
14194   // check if drawing operation forces change of border style
14195   CheckLevelBorderElement(TRUE);
14196
14197   level.changed = TRUE;
14198 }
14199
14200 static void RandomPlacement(int new_element)
14201 {
14202   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14203   int num_free_positions = 0;
14204   int num_percentage, num_elements;
14205   int x, y;
14206
14207   ResetIntelliDraw();
14208
14209   // determine number of free positions for randomly placing the new element
14210   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
14211   {
14212     free_position[x][y] =
14213       (random_placement_background_restricted ?
14214        Tile[x][y] == random_placement_background_element :
14215        Tile[x][y] != new_element);
14216
14217     if (free_position[x][y])
14218       num_free_positions++;
14219   }
14220
14221   // determine number of new elements to place there
14222   num_percentage = num_free_positions * random_placement_value / 100;
14223   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
14224                   num_percentage : random_placement_value);
14225
14226   // if less free positions than elements to place, fill all these positions
14227   if (num_free_positions < num_elements)
14228   {
14229     for (x = 0; x < lev_fieldx; x++)
14230       for (y = 0; y < lev_fieldy; y++)
14231         if (free_position[x][y])
14232           SetElement(x, y, new_element);
14233   }
14234   else
14235   {
14236     while (num_elements > 0)
14237     {
14238       x = GetSimpleRandom(lev_fieldx);
14239       y = GetSimpleRandom(lev_fieldy);
14240
14241       // don't place element at the same position twice
14242       if (free_position[x][y])
14243       {
14244         free_position[x][y] = FALSE;
14245         SetElement(x, y, new_element);
14246         num_elements--;
14247       }
14248     }
14249   }
14250
14251   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14252   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14253 }
14254
14255 static void WrapLevel(int dx, int dy)
14256 {
14257   int wrap_dx = lev_fieldx - dx;
14258   int wrap_dy = lev_fieldy - dy;
14259   int x, y;
14260
14261   for (x = 0; x < lev_fieldx; x++)
14262     for (y = 0; y < lev_fieldy; y++)
14263       TileBackup[x][y] = Tile[x][y];
14264
14265   for (x = 0; x < lev_fieldx; x++)
14266     for (y = 0; y < lev_fieldy; y++)
14267       Tile[x][y] =
14268         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
14269
14270   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14271   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
14272 }
14273
14274 static void DrawAreaElementHighlight(boolean highlighted,
14275                                      boolean highlighted_similar)
14276 {
14277   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14278
14279   if (!highlighted)
14280     return;
14281
14282   int x, y;
14283
14284   for (x = 0; x < ed_fieldx; x++)
14285   {
14286     for (y = 0; y < ed_fieldy; y++)
14287     {
14288       boolean highlight = FALSE;
14289       int lx = x + level_xpos;
14290       int ly = y + level_ypos;
14291
14292       if (!IN_LEV_FIELD(lx, ly))
14293         continue;
14294
14295       // check if element is the same
14296       if (Tile[lx][ly] == new_element1)
14297         highlight = TRUE;
14298
14299       // check if element is similar
14300       if (highlighted_similar &&
14301           strEqual(element_info[Tile[lx][ly]].class_name,
14302                    element_info[new_element1].class_name))
14303         highlight = TRUE;
14304
14305       // check if element is matching MM style wall
14306       if (IS_MM_WALL(Tile[lx][ly]) &&
14307           map_mm_wall_element(Tile[lx][ly]) == new_element1)
14308         highlight = TRUE;
14309
14310       if (!highlight)
14311         continue;
14312
14313       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
14314       {
14315         int i;
14316
14317         for (i = 0; i < 4; i++)
14318         {
14319           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
14320             continue;
14321
14322           int xx = x * 2 + (i % 2);
14323           int yy = y * 2 + (i / 2);
14324           int sx = SX + xx * ed_tilesize / 2;
14325           int sy = SY + yy * ed_tilesize / 2;
14326           int from_sx = sx;
14327           int from_sy = sy;
14328           int to_sx = sx + ed_tilesize / 2 - 1;
14329           int to_sy = sy + ed_tilesize / 2 - 1;
14330
14331           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14332           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14333           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14334           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14335         }
14336       }
14337       else
14338       {
14339         int sx = SX + x * ed_tilesize;
14340         int sy = SY + y * ed_tilesize;
14341         int from_sx = sx;
14342         int from_sy = sy;
14343         int to_sx = sx + ed_tilesize - 1;
14344         int to_sy = sy + ed_tilesize - 1;
14345
14346         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14347         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14348         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14349         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14350       }
14351     }
14352   }
14353 }
14354
14355 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
14356 {
14357   char *template_filename_old = getLocalLevelTemplateFilename();
14358   char *template_filename_new =
14359     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
14360
14361   if (copyFile(template_filename_old, template_filename_new) != 0)
14362     Request("Cannot copy level template!", REQ_CONFIRM);
14363
14364   free(template_filename_new);
14365 }
14366
14367 static void HandleDrawingAreas(struct GadgetInfo *gi)
14368 {
14369   static boolean started_inside_drawing_area = FALSE;
14370   static int last_sx = -1;
14371   static int last_sy = -1;
14372   static int last_sx2 = -1;
14373   static int last_sy2 = -1;
14374   int id = gi->custom_id;
14375   int type_id = gi->custom_type_id;
14376   boolean button_press_event;
14377   boolean button_release_event;
14378   boolean inside_drawing_area = !gi->event.off_borders;
14379   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
14380   int actual_drawing_function;
14381   int button = gi->event.button;
14382   int new_element = BUTTON_ELEMENT(button);
14383   int sx = gi->event.x, sy = gi->event.y;
14384   int min_sx = 0, min_sy = 0;
14385   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
14386   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
14387   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
14388   int sx2 = gi->event.mx / mini_item_xsize;
14389   int sy2 = gi->event.my / mini_item_ysize;
14390   int dx = sx2 % 2;
14391   int dy = sy2 % 2;
14392   int lx = 0, ly = 0;
14393   int x, y;
14394
14395   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
14396   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
14397
14398   // make sure to stay inside drawing area boundaries
14399   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14400   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14401
14402   if (draw_level)
14403   {
14404     int min_lx = 0, min_ly = 0;
14405     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14406
14407     // get positions inside level field
14408     lx = sx + level_xpos;
14409     ly = sy + level_ypos;
14410
14411     if (!IN_LEV_FIELD(lx, ly))
14412       inside_drawing_area = FALSE;
14413
14414     // make sure to stay inside level field boundaries
14415     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14416     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14417
14418     // correct drawing area positions accordingly
14419     sx = lx - level_xpos;
14420     sy = ly - level_ypos;
14421   }
14422
14423   // also correct MM wall-sized (double) drawing area positions accordingly
14424   if (sx2 / 2 < sx || sx2 / 2 > sx)
14425   {
14426     dx = (sx2 / 2 < sx ? 0 : 1);
14427     sx2 = sx * 2 + dx;
14428   }
14429   if (sy2 / 2 < sy || sy2 / 2 > sy)
14430   {
14431     dy = (sy2 / 2 < sy ? 0 : 1);
14432     sy2 = sy * 2 + dy;
14433   }
14434
14435   if (!button_press_event && !button_release_event)
14436   {
14437     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
14438     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14439                              isHiresTileElement(old_element) &&
14440                              isHiresDrawElement(new_element));
14441
14442     // prevent handling events for every pixel position when moving mouse
14443     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
14444         (sx2 == last_sx2 && sy2 == last_sy2))
14445       return;
14446   }
14447
14448   last_sx = sx;
14449   last_sy = sy;
14450   last_sx2 = sx2;
14451   last_sy2 = sy2;
14452
14453   if (button_press_event)
14454     started_inside_drawing_area = inside_drawing_area;
14455
14456   if (!started_inside_drawing_area)
14457     return;
14458
14459   if (!IS_VALID_BUTTON(button))
14460     return;
14461
14462   // handle info callback for each invocation of action callback
14463   gi->callback_info(gi);
14464
14465   // automatically switch to 'single item' drawing mode, if needed
14466   actual_drawing_function =
14467     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
14468      drawing_function : GADGET_ID_SINGLE_ITEMS);
14469
14470   // clicking into drawing area with pressed Control key picks element
14471   if (GetKeyModState() & KMOD_Control)
14472   {
14473     last_drawing_function = drawing_function;
14474     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14475   }
14476
14477   if (GetKeyModState() & KMOD_Shift)
14478   {
14479     if (button_press_event || button_release_event)
14480       ResetIntelliDraw();
14481   }
14482
14483   SetDrawModeHiRes(-1);         // reset to normal draw mode
14484
14485   switch (actual_drawing_function)
14486   {
14487     case GADGET_ID_SINGLE_ITEMS:
14488       if (draw_level)
14489       {
14490         if (button_release_event)
14491         {
14492           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14493
14494           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
14495               !inside_drawing_area)
14496             DeleteBrushFromCursor();
14497
14498           break;
14499         }
14500
14501         if (draw_with_brush)
14502         {
14503           CopyBrushToLevel(sx, sy, button);
14504         }
14505         else
14506         {
14507           SetDrawModeHiRes(new_element);
14508
14509           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
14510           {
14511             // remove player at old position
14512             for (y = 0; y < lev_fieldy; y++)
14513             {
14514               for (x = 0; x < lev_fieldx; x++)
14515               {
14516                 int old_element = Tile[x][y];
14517
14518                 if (IS_PLAYER_ELEMENT(old_element) &&
14519                     IS_PLAYER_ELEMENT(new_element))
14520                 {
14521                   int replaced_with_element =
14522                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
14523                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
14524
14525                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
14526                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
14527
14528                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
14529                      old_element == EL_PLAYER_1 ? EL_EMPTY :
14530
14531                      new_element >= EL_PLAYER_1 &&
14532                      new_element <= EL_PLAYER_4 &&
14533                      new_element == old_element ? EL_EMPTY :
14534
14535                      old_element);
14536
14537                   SetElement(x, y, replaced_with_element);
14538                 }
14539                 else if (IS_MM_MCDUFFIN(old_element) &&
14540                          IS_MM_MCDUFFIN(new_element))
14541                 {
14542                   // remove McDuffin at old position
14543                   SetElement(x, y, EL_EMPTY);
14544                 }
14545               }
14546             }
14547           }
14548
14549           SetElementButton(lx, ly, dx, dy, new_element, button);
14550         }
14551       }
14552       else if (!button_release_event)
14553       {
14554         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14555
14556         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
14557           DrawMiniGraphicExt(drawto,
14558                              gi->x + sx * MINI_TILEX,
14559                              gi->y + sy * MINI_TILEY,
14560                              el2edimg(new_element));
14561         else
14562           DrawFixedGraphicExt(drawto,
14563                               gi->x + sx * TILEX,
14564                               gi->y + sy * TILEY,
14565                               el2edimg(new_element), 0);
14566
14567         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14568           new_element = GFX_ELEMENT(new_element);
14569
14570         drawingarea_info[type_id].value[pos] = new_element;
14571
14572         CopyElementPropertiesToGame(properties_element);
14573
14574         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14575         {
14576           UpdateCustomElementGraphicGadgets();
14577
14578           FrameCounter = 0;     // restart animation frame counter
14579         }
14580       }
14581       break;
14582
14583     case GADGET_ID_CONNECTED_ITEMS:
14584       {
14585         static int last_sx = -1;
14586         static int last_sy = -1;
14587
14588         if (button_release_event)
14589           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14590
14591         SetDrawModeHiRes(new_element);
14592
14593         if (getDrawModeHiRes())
14594         {
14595           sx = sx2;
14596           sy = sy2;
14597         }
14598
14599         if (!button_press_event)
14600           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
14601
14602         last_sx = sx;
14603         last_sy = sy;
14604       }
14605       break;
14606
14607     case GADGET_ID_LINE:
14608     case GADGET_ID_ARC:
14609     case GADGET_ID_RECTANGLE:
14610     case GADGET_ID_FILLED_BOX:
14611       SetDrawModeHiRes(new_element);
14612
14613       if (getDrawModeHiRes())
14614       {
14615         sx = sx2;
14616         sy = sy2;
14617       }
14618       // FALLTHROUGH
14619     case GADGET_ID_GRAB_BRUSH:
14620     case GADGET_ID_TEXT:
14621       {
14622         static int last_sx = -1;
14623         static int last_sy = -1;
14624         static int start_sx = -1;
14625         static int start_sy = -1;
14626         void (*draw_func)(int, int, int, int, int, boolean);
14627
14628         if (drawing_function == GADGET_ID_LINE)
14629           draw_func = DrawLine;
14630         else if (drawing_function == GADGET_ID_ARC)
14631           draw_func = DrawArc;
14632         else if (drawing_function == GADGET_ID_RECTANGLE)
14633           draw_func = DrawBox;
14634         else if (drawing_function == GADGET_ID_FILLED_BOX)
14635           draw_func = DrawFilledBox;
14636         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
14637           draw_func = SelectArea;
14638         else // (drawing_function == GADGET_ID_TEXT)
14639           draw_func = SetTextCursor;
14640
14641         if (button_press_event)
14642         {
14643           draw_func(sx, sy, sx, sy, new_element, FALSE);
14644           start_sx = last_sx = sx;
14645           start_sy = last_sy = sy;
14646
14647           if (drawing_function == GADGET_ID_TEXT)
14648             DrawLevelText(0, 0, 0, TEXT_END);
14649         }
14650         else if (button_release_event)
14651         {
14652           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
14653           if (drawing_function == GADGET_ID_GRAB_BRUSH)
14654           {
14655             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
14656             CopyBrushToCursor(sx, sy);
14657             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
14658                           MB_LEFTBUTTON);
14659             draw_with_brush = TRUE;
14660           }
14661           else if (drawing_function == GADGET_ID_TEXT)
14662             DrawLevelText(sx, sy, 0, TEXT_INIT);
14663           else
14664             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14665         }
14666         else if (last_sx != sx || last_sy != sy)
14667         {
14668           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
14669           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
14670             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
14671           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
14672           last_sx = sx;
14673           last_sy = sy;
14674         }
14675       }
14676       break;
14677
14678     case GADGET_ID_FLOOD_FILL:
14679       if (button_press_event && Tile[lx][ly] != new_element)
14680       {
14681         if (IS_MM_WALL_EDITOR(new_element))
14682           FloodFillWall_MM(sx2, sy2, new_element);
14683         else
14684           FloodFill(lx, ly, new_element);
14685
14686         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14687         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14688       }
14689       break;
14690
14691     case GADGET_ID_PICK_ELEMENT:
14692       if (button_release_event)
14693         ClickOnGadget(level_editor_gadget[last_drawing_function],
14694                       MB_LEFTBUTTON);
14695       else if (draw_level)
14696         PickDrawingElement(button, Tile[lx][ly]);
14697       else
14698       {
14699         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14700
14701         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
14702       }
14703
14704     default:
14705       break;
14706   }
14707
14708   // do not mark level as modified for certain non-level-changing gadgets
14709   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
14710        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
14711       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
14712       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14713     return;
14714
14715   level.changed = TRUE;
14716 }
14717
14718 static void HandleCounterButtons(struct GadgetInfo *gi)
14719 {
14720   int gadget_id = gi->custom_id;
14721   int counter_id = gi->custom_type_id;
14722   int button = gi->event.button;
14723   int *counter_value = counterbutton_info[counter_id].value;
14724   int step = BUTTON_STEPSIZE(button) *
14725     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
14726
14727   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14728   {
14729     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
14730     boolean released = (gi->event.type == GD_EVENT_RELEASED);
14731     boolean level_changed = LevelChanged();
14732
14733     if ((level_changed && pressed) || (!level_changed && released))
14734       return;
14735
14736     if (level_changed && !Request("Level has changed! Discard changes?",
14737                                   REQ_ASK))
14738     {
14739       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14740         ModifyEditorCounterValue(counter_id, *counter_value);
14741
14742       return;
14743     }
14744   }
14745
14746   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14747     *counter_value = gi->textinput.number_value;
14748   else
14749     ModifyEditorCounterValue(counter_id, *counter_value + step);
14750
14751   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14752   {
14753     int last_game_engine_type = level.game_engine_type;
14754
14755     LoadLevel(level_nr);
14756     LoadScore(level_nr);
14757
14758     SaveLevelSetup_SeriesInfo();
14759
14760     TapeErase();
14761
14762     ResetUndoBuffer();
14763     DrawEditModeWindow();
14764
14765     if (level.game_engine_type != last_game_engine_type)
14766     {
14767       // update element selection list
14768       ReinitializeElementList();
14769       ModifyEditorElementList();
14770     }
14771
14772     return;
14773   }
14774
14775   switch (counter_id)
14776   {
14777     case ED_COUNTER_ID_YAMYAM_CONTENT:
14778       DrawYamYamContentAreas();
14779       break;
14780
14781     case ED_COUNTER_ID_BALL_CONTENT:
14782       DrawMagicBallContentAreas();
14783       break;
14784
14785     case ED_COUNTER_ID_ANDROID_CONTENT:
14786       DrawAndroidElementArea();
14787       break;
14788
14789     case ED_COUNTER_ID_GROUP_CONTENT:
14790       DrawGroupElementArea();
14791       CopyGroupElementPropertiesToGame(properties_element);
14792       break;
14793
14794     case ED_COUNTER_ID_INVENTORY_SIZE:
14795       DrawPlayerInitialInventoryArea(properties_element);
14796       break;
14797
14798     case ED_COUNTER_ID_MM_BALL_CONTENT:
14799       DrawMMBallContentArea();
14800       break;
14801
14802     case ED_COUNTER_ID_ENVELOPE_XSIZE:
14803     case ED_COUNTER_ID_ENVELOPE_YSIZE:
14804       DrawEnvelopeTextArea(-1);
14805       break;
14806
14807     case ED_COUNTER_ID_LEVEL_XSIZE:
14808     case ED_COUNTER_ID_LEVEL_YSIZE:
14809       lev_fieldx = level.fieldx;
14810       lev_fieldy = level.fieldy;
14811
14812       // check if resizing of level results in change of border border
14813       SetBorderElement();
14814
14815       break;
14816
14817     default:
14818       break;
14819   }
14820
14821   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
14822        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
14823       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
14824        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
14825     CopyElementPropertiesToGame(properties_element);
14826
14827   // do not mark level as modified for certain non-level-changing gadgets
14828   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
14829        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
14830       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
14831        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
14832     return;
14833
14834   level.changed = TRUE;
14835 }
14836
14837 static void HandleTextInputGadgets(struct GadgetInfo *gi)
14838 {
14839   int type_id = gi->custom_type_id;
14840
14841   strcpy(textinput_info[type_id].value, gi->textinput.value);
14842
14843   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
14844   {
14845     CopyElementPropertiesToGame(properties_element);
14846
14847     ModifyEditorElementList();  // update changed button info text
14848   }
14849
14850   // do not mark level as modified for certain non-level-changing gadgets
14851   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
14852       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
14853     return;
14854
14855   level.changed = TRUE;
14856 }
14857
14858 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
14859 {
14860   int type_id = gi->custom_type_id;
14861
14862   strncpy(textarea_info[type_id].value, gi->textarea.value,
14863           MAX_ENVELOPE_TEXT_LEN);
14864   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
14865
14866   level.changed = TRUE;
14867 }
14868
14869 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
14870 {
14871   int type_id = gi->custom_type_id;
14872   int value_old = *selectbox_info[type_id].value;
14873   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
14874
14875   *selectbox_info[type_id].value = value_new;
14876
14877   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
14878   {
14879     DrawLevelConfigWindow();
14880   }
14881   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
14882   {
14883     element_info[properties_element].current_change_page = gi->selectbox.index;
14884
14885     DrawPropertiesWindow();
14886   }
14887   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
14888             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
14889            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
14890             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
14891            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
14892   {
14893     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
14894     {
14895       // when changing action type, also check action mode and action arg
14896       if (value_old != value_new)
14897         setSelectboxSpecialActionVariablesIfNeeded();
14898
14899       DrawPropertiesChange();
14900     }
14901
14902     CopyElementPropertiesToGame(properties_element);
14903   }
14904   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
14905   {
14906     // show or hide "engine" tabulator depending on game engine type
14907     DrawLevelConfigWindow();
14908
14909     // update element selection list depending on game engine type
14910     ReinitializeElementList();
14911     ModifyEditorElementList();
14912   }
14913   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
14914   {
14915     // update BD cycle delay counter gadgets depending on BD scheduling type
14916     DrawLevelConfigWindow();
14917   }
14918
14919   // do not mark level as modified for certain non-level-changing gadgets
14920   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
14921       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
14922     return;
14923
14924   level.changed = TRUE;
14925 }
14926
14927 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
14928 {
14929   int type_id = gi->custom_type_id;
14930   int i;
14931
14932   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
14933       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
14934   {
14935     edit_mode_levelconfig = gi->custom_type_id;
14936
14937     DrawLevelConfigWindow();
14938   }
14939   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
14940            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
14941   {
14942     edit_mode_properties = gi->custom_type_id;
14943
14944     DrawPropertiesWindow();
14945   }
14946   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
14947            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
14948   {
14949     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
14950
14951     // backup original "level.field" (needed to track playfield changes)
14952     CopyPlayfield(level.field, TileBackup);
14953
14954     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
14955     CopyPlayfield(Tile, level.field);
14956
14957     if (new_template ||
14958         Request("Save this template and kill the old?", REQ_ASK))
14959       SaveLevelTemplate();
14960
14961     if (new_template)
14962       Request("Template saved!", REQ_CONFIRM);
14963
14964     // restore original "level.field" (needed to track playfield changes)
14965     CopyPlayfield(TileBackup, level.field);
14966   }
14967   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
14968   {
14969     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
14970
14971     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
14972         leveldir_current->readonly)
14973     {
14974       Request("This level set is read-only!", REQ_CONFIRM);
14975
14976       return;
14977     }
14978
14979     if (strEqual(levelset_name, ""))
14980     {
14981       Request("Please enter level set title!", REQ_CONFIRM);
14982
14983       return;
14984     }
14985
14986     if (strEqual(levelset_author, ""))
14987     {
14988       Request("Please enter level set author!", REQ_CONFIRM);
14989
14990       return;
14991     }
14992
14993     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
14994     {
14995       if (UpdateUserLevelSet(levelset_subdir,
14996                              levelset_name,
14997                              levelset_author,
14998                              levelset_num_levels))
14999       {
15000         Request("Level set updated!", REQ_CONFIRM);
15001       }
15002       else
15003       {
15004         Request("Updating level set failed!", REQ_CONFIRM);
15005       }
15006     }
15007     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
15008     {
15009       if (level.changed && !Request("Level has changed! Discard changes?",
15010                                      REQ_ASK))
15011         return;
15012
15013       if (CreateUserLevelSet(levelset_subdir,
15014                              levelset_name,
15015                              levelset_author,
15016                              levelset_num_levels,
15017                              levelset_use_levelset_artwork))
15018       {
15019         if (levelset_copy_level_template)
15020           CopyLevelTemplateToUserLevelSet(levelset_subdir);
15021
15022         Request("New level set created!", REQ_CONFIRM);
15023
15024         AddUserLevelSetToLevelInfo(levelset_subdir);
15025         ChangeEditorToLevelSet(levelset_subdir);
15026       }
15027       else
15028       {
15029         Request("Creating new level set failed!", REQ_CONFIRM);
15030       }
15031     }
15032   }
15033   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
15034            custom_element.num_change_pages < MAX_CHANGE_PAGES)
15035   {
15036     struct ElementInfo *ei = &element_info[properties_element];
15037
15038     // when modifying custom element, ask for copying level template
15039     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15040       return;
15041
15042     setElementChangePages(ei, ei->num_change_pages + 1);
15043
15044     // set new change page to be new current change page
15045     ei->current_change_page = ei->num_change_pages - 1;
15046     ei->change = &ei->change_page[ei->current_change_page];
15047
15048     setElementChangeInfoToDefaults(ei->change);
15049
15050     DrawPropertiesWindow();
15051
15052     level.changed = TRUE;
15053   }
15054   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
15055            custom_element.num_change_pages > MIN_CHANGE_PAGES)
15056   {
15057     struct ElementInfo *ei = &element_info[properties_element];
15058
15059     // when modifying custom element, ask for copying level template
15060     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15061       return;
15062
15063     // copy all change pages after change page to be deleted
15064     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
15065       ei->change_page[i] = ei->change_page[i + 1];
15066
15067     setElementChangePages(ei, ei->num_change_pages - 1);
15068
15069     DrawPropertiesWindow();
15070
15071     level.changed = TRUE;
15072   }
15073 }
15074
15075 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
15076 {
15077   int type_id = gi->custom_type_id;
15078
15079   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
15080       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
15081   {
15082     struct ElementInfo *ei = &element_info[properties_element];
15083     int step = BUTTON_STEPSIZE(gi->event.button);
15084
15085     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
15086     ei->current_change_page += step;
15087
15088     if (ei->current_change_page < 0)
15089       ei->current_change_page = 0;
15090     else if (ei->current_change_page >= ei->num_change_pages)
15091       ei->current_change_page = ei->num_change_pages - 1;
15092
15093     DrawPropertiesWindow();
15094   }
15095   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
15096            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15097   {
15098     struct ElementInfo *ei = &element_info[properties_element];
15099     int current_change_page = ei->current_change_page;
15100
15101     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
15102     {
15103       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
15104         ei->change_page[current_change_page];
15105     }
15106     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15107     {
15108       // when modifying custom element, ask for copying level template
15109       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15110         return;
15111
15112       ei->change_page[current_change_page] =
15113         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
15114
15115       level.changed = TRUE;
15116     }
15117
15118     DrawPropertiesWindow();
15119   }
15120 }
15121
15122 static void HandleRadiobuttons(struct GadgetInfo *gi)
15123 {
15124   int type_id = gi->custom_type_id;
15125
15126   *radiobutton_info[type_id].value =
15127     radiobutton_info[type_id].checked_value;
15128
15129   // do not mark level as modified for certain non-level-changing gadgets
15130   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
15131       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
15132     return;
15133
15134   level.changed = TRUE;
15135 }
15136
15137 static void HandleCheckbuttons(struct GadgetInfo *gi)
15138 {
15139   int type_id = gi->custom_type_id;
15140
15141   *checkbutton_info[type_id].value ^= TRUE;
15142
15143   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
15144       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
15145       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
15146       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
15147          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
15148         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
15149          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
15150        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
15151   {
15152     CopyElementPropertiesToGame(properties_element);
15153   }
15154
15155   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
15156   {
15157     UpdateCustomElementGraphicGadgets();
15158   }
15159   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
15160            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
15161   {
15162     boolean template_related_changes_found = FALSE;
15163     int i;
15164
15165     // check if any custom, group or empty elements have been changed
15166     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
15167       if ((IS_CUSTOM_ELEMENT(i) ||
15168            IS_GROUP_ELEMENT(i) ||
15169            IS_EMPTY_ELEMENT(i)) &&
15170           element_info[i].modified_settings)
15171         template_related_changes_found = TRUE;
15172
15173     if (level.use_custom_template &&
15174         !fileExists(getGlobalLevelTemplateFilename()))
15175     {
15176       Request("No level template found!", REQ_CONFIRM);
15177
15178       level.use_custom_template = FALSE;
15179
15180       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15181
15182       return;
15183     }
15184
15185     if (level.use_custom_template &&
15186         template_related_changes_found &&
15187         !Request("Discard changes and use level template?", REQ_ASK))
15188     {
15189       level.use_custom_template = FALSE;
15190
15191       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15192
15193       return;
15194     }
15195
15196     if (!level.use_custom_template &&
15197         Request("Copy settings from level template?", REQ_ASK))
15198     {
15199       return;
15200     }
15201
15202     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
15203
15204     DrawEditModeWindow();
15205   }
15206   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
15207   {
15208     if (setup.editor.use_template_for_new_levels &&
15209         !fileExists(getGlobalLevelTemplateFilename()))
15210     {
15211       Request("No level template found!", REQ_CONFIRM);
15212
15213       return;
15214     }
15215
15216     if (setup.editor.use_template_for_new_levels &&
15217         level.changed &&
15218         !Request("Discard level and load template?", REQ_ASK))
15219     {
15220       return;
15221     }
15222
15223     if (!setup.editor.use_template_for_new_levels &&
15224         level.changed &&
15225         !Request("Discard level and use empty level?", REQ_ASK))
15226     {
15227       return;
15228     }
15229
15230     LoadLevel(level_nr);
15231     LoadScore(level_nr);
15232
15233     TapeErase();
15234
15235     ResetUndoBuffer();
15236     DrawEditModeWindow();
15237   }
15238   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
15239   {
15240     SetAutomaticNumberOfGemsNeeded();
15241   }
15242
15243   // do not mark level as modified for certain non-level-changing gadgets
15244   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
15245        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
15246       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
15247        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
15248        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
15249       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
15250     return;
15251
15252   level.changed = TRUE;
15253 }
15254
15255 static void HandleControlButtons(struct GadgetInfo *gi)
15256 {
15257   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
15258   static int last_edit_mode = ED_MODE_DRAWING;
15259   static int last_custom_copy_mode = -1;
15260   static int last_button = 0;
15261   int id = gi->custom_id;
15262   int button = gi->event.button;
15263   int step = BUTTON_STEPSIZE(button);
15264   int new_element = BUTTON_ELEMENT(button);
15265   int last_properties_element = properties_element;
15266   int x, y;
15267
15268   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
15269     DrawLevelText(0, 0, 0, TEXT_END);
15270
15271   if (id < ED_NUM_CTRL1_BUTTONS &&
15272       id != GADGET_ID_SINGLE_ITEMS &&
15273       id != GADGET_ID_PICK_ELEMENT &&
15274       edit_mode != ED_MODE_DRAWING &&
15275       drawing_function != GADGET_ID_PICK_ELEMENT &&
15276       !(GetKeyModState() & KMOD_Control))
15277     ChangeEditModeWindow(ED_MODE_DRAWING);
15278
15279   // element copy mode active, but no element button pressed => deactivate
15280   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
15281     last_custom_copy_mode = -1;
15282
15283   // when showing palette on element buttons, change element of button used
15284   if (editor.palette.show_on_element_buttons &&
15285       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
15286   {
15287     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
15288
15289     id = GADGET_ID_PALETTE;
15290   }
15291
15292   switch (id)
15293   {
15294     case GADGET_ID_SCROLL_LEFT:
15295       if (level_xpos >= 0)
15296       {
15297         if (lev_fieldx < ed_fieldx - 2)
15298           break;
15299
15300         level_xpos -= step;
15301         if (level_xpos < -1)
15302           level_xpos = -1;
15303         if (button == 1)
15304           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
15305         else
15306           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15307
15308         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15309                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15310       }
15311       break;
15312
15313     case GADGET_ID_SCROLL_RIGHT:
15314       if (level_xpos <= lev_fieldx - ed_fieldx)
15315       {
15316         if (lev_fieldx < ed_fieldx - 2)
15317           break;
15318
15319         level_xpos += step;
15320         if (level_xpos > lev_fieldx - ed_fieldx + 1)
15321           level_xpos = lev_fieldx - ed_fieldx + 1;
15322         if (button == 1)
15323           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
15324         else
15325           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15326
15327         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15328                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15329       }
15330       break;
15331
15332     case GADGET_ID_SCROLL_UP:
15333       if (level_ypos >= 0)
15334       {
15335         if (lev_fieldy < ed_fieldy - 2)
15336           break;
15337
15338         level_ypos -= step;
15339         if (level_ypos < -1)
15340           level_ypos = -1;
15341         if (button == 1)
15342           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
15343         else
15344           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15345
15346         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15347                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15348       }
15349       break;
15350
15351     case GADGET_ID_SCROLL_DOWN:
15352       if (level_ypos <= lev_fieldy - ed_fieldy)
15353       {
15354         if (lev_fieldy < ed_fieldy - 2)
15355           break;
15356
15357         level_ypos += step;
15358         if (level_ypos > lev_fieldy - ed_fieldy + 1)
15359           level_ypos = lev_fieldy - ed_fieldy + 1;
15360         if (button == 1)
15361           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
15362         else
15363           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15364
15365         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15366                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15367       }
15368       break;
15369
15370     case GADGET_ID_SCROLL_HORIZONTAL:
15371       level_xpos = gi->event.item_position - 1;
15372
15373       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15374       BackToFront();
15375
15376       break;
15377
15378     case GADGET_ID_SCROLL_VERTICAL:
15379       level_ypos = gi->event.item_position - 1;
15380
15381       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15382       BackToFront();
15383
15384       break;
15385
15386     case GADGET_ID_SCROLL_LIST_UP:
15387     case GADGET_ID_SCROLL_LIST_DOWN:
15388     case GADGET_ID_SCROLL_LIST_VERTICAL:
15389       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
15390         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
15391       else
15392       {
15393         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
15394         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15395
15396         if (element_shift < 0)
15397           element_shift = 0;
15398         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15399           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15400
15401         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15402                      GDI_SCROLLBAR_ITEM_POSITION,
15403                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15404       }
15405
15406       ModifyEditorElementList();
15407
15408       break;
15409
15410     case GADGET_ID_PROPERTIES:
15411       // always switch off element properties when they are already displayed
15412       last_properties_element = new_element;
15413     case GADGET_ID_ELEMENT_LEFT:
15414     case GADGET_ID_ELEMENT_MIDDLE:
15415     case GADGET_ID_ELEMENT_RIGHT:
15416       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
15417                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
15418                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
15419                             new_element);
15420
15421       if (edit_mode != ED_MODE_PROPERTIES)
15422       {
15423         last_edit_mode = edit_mode;
15424
15425         ChangeEditModeWindow(ED_MODE_PROPERTIES);
15426
15427         last_level_drawing_function = drawing_function;
15428         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15429                       MB_LEFTBUTTON);
15430       }
15431       else if (properties_element != last_properties_element)
15432       {
15433         DrawEditModeWindow();
15434       }
15435       else
15436       {
15437         ChangeEditModeWindow(ED_MODE_DRAWING);
15438
15439         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
15440                       MB_LEFTBUTTON);
15441       }
15442       break;
15443
15444     case GADGET_ID_PALETTE:
15445       if (edit_mode != ED_MODE_PALETTE)
15446       {
15447         last_edit_mode = edit_mode;
15448
15449         ChangeEditModeWindow(ED_MODE_PALETTE);
15450       }
15451       else
15452       {
15453         ChangeEditModeWindow(last_edit_mode);
15454       }
15455       break;
15456
15457     case GADGET_ID_WRAP_LEFT:
15458       WrapLevel(-step, 0);
15459       break;
15460
15461     case GADGET_ID_WRAP_RIGHT:
15462       WrapLevel(step, 0);
15463       break;
15464
15465     case GADGET_ID_WRAP_UP:
15466       WrapLevel(0, -step);
15467       break;
15468
15469     case GADGET_ID_WRAP_DOWN:
15470       WrapLevel(0, step);
15471       break;
15472
15473     case GADGET_ID_SINGLE_ITEMS:
15474     case GADGET_ID_CONNECTED_ITEMS:
15475     case GADGET_ID_LINE:
15476     case GADGET_ID_ARC:
15477     case GADGET_ID_TEXT:
15478     case GADGET_ID_RECTANGLE:
15479     case GADGET_ID_FILLED_BOX:
15480     case GADGET_ID_FLOOD_FILL:
15481     case GADGET_ID_GRAB_BRUSH:
15482     case GADGET_ID_PICK_ELEMENT:
15483       if (drawing_function != GADGET_ID_PICK_ELEMENT)
15484         last_drawing_function = drawing_function;
15485       drawing_function = id;
15486       draw_with_brush = FALSE;
15487       break;
15488
15489     case GADGET_ID_RANDOM_PLACEMENT:
15490       RandomPlacement(new_element);
15491       break;
15492
15493     case GADGET_ID_ZOOM:
15494       // zoom level editor tile size in or out (or reset to default size)
15495       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
15496                      button == 2 ? ed_tilesize_default :
15497                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
15498
15499       // when using touch device, cycle through all zoom tilesizes
15500       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
15501         ed_tilesize = MICRO_TILESIZE;
15502
15503       // limit zoom level by upper and lower bound
15504       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
15505
15506       InitZoomLevelSettings(ed_tilesize);
15507
15508       if (edit_mode == ED_MODE_DRAWING)
15509       {
15510         DrawDrawingWindow();
15511
15512         // redraw zoom gadget info text
15513         PrintEditorGadgetInfoText(level_editor_gadget[id]);
15514       }
15515
15516       // save current editor zoom tilesize
15517       SaveSetup_AutoSetup();
15518
15519       break;
15520
15521     case GADGET_ID_CUSTOM_COPY_FROM:
15522     case GADGET_ID_CUSTOM_COPY_TO:
15523     case GADGET_ID_CUSTOM_EXCHANGE:
15524       last_custom_copy_mode = id;
15525       last_drawing_function = drawing_function;
15526       break;
15527
15528     case GADGET_ID_CUSTOM_COPY:
15529       CopyCustomElement(properties_element, -1, id);
15530       break;
15531
15532     case GADGET_ID_CUSTOM_PASTE:
15533       CopyCustomElement(-1, properties_element, id);
15534       break;
15535
15536     case GADGET_ID_UNDO:
15537       if (button < 0)   // keep button value (even if modifier keys are pressed)
15538         button = -button;
15539       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
15540         button = 3;
15541
15542       if (button == 1 && undo_buffer_steps == 0)
15543       {
15544         Request("Undo buffer empty!", REQ_CONFIRM);
15545
15546         break;
15547       }
15548       else if (button == 2)
15549       {
15550         break;
15551       }
15552       else if (button == 3 && redo_buffer_steps == 0)
15553       {
15554         Request("Redo buffer empty!", REQ_CONFIRM);
15555
15556         break;
15557       }
15558
15559       if (edit_mode != ED_MODE_DRAWING)
15560         ChangeEditModeWindow(ED_MODE_DRAWING);
15561
15562       if (button == 1)
15563       {
15564         // undo
15565
15566         undo_buffer_position =
15567           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
15568
15569         undo_buffer_steps--;
15570         redo_buffer_steps++;
15571       }
15572       else
15573       {
15574         // redo
15575
15576         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15577
15578         undo_buffer_steps++;
15579         redo_buffer_steps--;
15580       }
15581
15582       for (x = 0; x < lev_fieldx; x++)
15583         for (y = 0; y < lev_fieldy; y++)
15584           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
15585
15586       // check if undo operation forces change of border style
15587       CheckLevelBorderElement(FALSE);
15588
15589       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15590
15591       break;
15592
15593     case GADGET_ID_CONF:
15594       if (edit_mode != ED_MODE_LEVELCONFIG)
15595       {
15596         last_edit_mode = edit_mode;
15597
15598         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
15599       }
15600       else
15601       {
15602         ChangeEditModeWindow(ED_MODE_DRAWING);
15603       }
15604       break;
15605
15606     case GADGET_ID_CLEAR:
15607       if (edit_mode != ED_MODE_DRAWING)
15608         ChangeEditModeWindow(ED_MODE_DRAWING);
15609
15610       for (x = 0; x < MAX_LEV_FIELDX; x++)
15611         for (y = 0; y < MAX_LEV_FIELDY; y++)
15612           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
15613
15614       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
15615
15616       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15617       break;
15618
15619     case GADGET_ID_SAVE:
15620     {
15621       // saving read-only levels into personal level set modifies global vars
15622       // "leveldir_current" and "level_nr"; restore them after saving level
15623       LevelDirTree *leveldir_former = leveldir_current;
15624       int level_nr_former = level_nr;
15625       char *level_filename;
15626       boolean new_level;
15627
15628       if (leveldir_current->readonly &&
15629           !PrepareSavingIntoPersonalLevelSet())
15630         break;
15631
15632       level_filename = getDefaultLevelFilename(level_nr);
15633       new_level = !fileExists(level_filename);
15634
15635       if (new_level ||
15636           Request("Save this level and kill the old?", REQ_ASK))
15637       {
15638         if (leveldir_former->readonly)
15639           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
15640
15641         SetAutomaticNumberOfGemsNeeded();
15642
15643         CopyPlayfield(Tile, level.field);
15644         SaveLevel(level_nr);
15645
15646         level.changed = FALSE;
15647
15648         if (new_level)
15649         {
15650           char level_saved_msg[64];
15651
15652           if (leveldir_former->readonly)
15653             sprintf(level_saved_msg,
15654                     "Level saved as level %d into personal level set!",
15655                     level_nr);
15656           else
15657             strcpy(level_saved_msg, "Level saved!");
15658
15659           Request(level_saved_msg, REQ_CONFIRM);
15660         }
15661       }
15662
15663       // "cd" back to copied-from levelset (in case of saved read-only level)
15664       leveldir_current = leveldir_former;
15665       level_nr = level_nr_former;
15666
15667       break;
15668     }
15669
15670     case GADGET_ID_TEST:
15671       if (LevelChanged())
15672         level.game_version = GAME_VERSION_ACTUAL;
15673
15674       CopyPlayfield(level.field, TileBackup);
15675       CopyPlayfield(Tile, level.field);
15676
15677       CopyNativeLevel_RND_to_Native(&level);
15678
15679       UnmapLevelEditorGadgets();
15680       UndrawSpecialEditorDoor();
15681
15682       CloseDoor(DOOR_CLOSE_ALL);
15683
15684       // needed before playing if editor playfield area has different size
15685       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
15686
15687       // redraw_mask = REDRAW_ALL;
15688
15689       level_editor_test_game = TRUE;
15690
15691       StartGameActions(FALSE, setup.autorecord, level.random_seed);
15692
15693       break;
15694
15695     case GADGET_ID_EXIT:
15696       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
15697       break;
15698
15699     default:
15700       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
15701           id <= GADGET_ID_ELEMENTLIST_LAST)
15702       {
15703         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
15704
15705         new_element = editor_elements[element_position + element_shift];
15706
15707         if (IS_EDITOR_CASCADE(new_element))
15708         {
15709           int i;
15710
15711           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
15712           {
15713             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
15714             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
15715
15716             if (*cascade_element == new_element)
15717             {
15718               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
15719               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
15720
15721               // update element selection list
15722               ReinitializeElementList();
15723               ModifyEditorElementList();
15724
15725               // update cascading gadget info text
15726               PrintEditorGadgetInfoText(level_editor_gadget[id]);
15727
15728               // save current editor cascading state
15729               SaveSetup_EditorCascade();
15730
15731               break;
15732             }
15733           }
15734
15735           break;
15736         }
15737
15738         if (last_custom_copy_mode != -1)
15739         {
15740           if (CopyCustomElement(properties_element, new_element,
15741                                 last_custom_copy_mode))
15742           {
15743             ClickOnGadget(level_editor_gadget[last_drawing_function],
15744                           MB_LEFTBUTTON);
15745
15746             last_custom_copy_mode = -1;
15747           }
15748
15749           break;
15750         }
15751
15752         // change element of button used to show palette
15753         if (editor.palette.show_on_element_buttons)
15754           button = last_button;
15755
15756         PickDrawingElement(button, new_element);
15757
15758         if (!stick_element_properties_window &&
15759             drawing_function != GADGET_ID_PICK_ELEMENT &&
15760             !(GetKeyModState() & KMOD_Control))
15761         {
15762           properties_element = new_element;
15763           if (edit_mode == ED_MODE_PROPERTIES)
15764             DrawPropertiesWindow();
15765         }
15766
15767         if (drawing_function == GADGET_ID_PICK_ELEMENT)
15768           ClickOnGadget(level_editor_gadget[last_drawing_function],
15769                         MB_LEFTBUTTON);
15770
15771         if (!use_permanent_palette)
15772           ChangeEditModeWindow(last_edit_mode);
15773       }
15774 #ifdef DEBUG
15775       else if (gi->event.type == GD_EVENT_PRESSED)
15776         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
15777       else if (gi->event.type == GD_EVENT_RELEASED)
15778         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
15779       else if (gi->event.type == GD_EVENT_MOVING)
15780         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
15781       else
15782         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
15783 #endif
15784       break;
15785   }
15786 }
15787
15788 void HandleLevelEditorKeyInput(Key key)
15789 {
15790   char letter = getCharFromKey(key);
15791
15792   if (drawing_function == GADGET_ID_TEXT &&
15793       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
15794   {
15795     if (letter)
15796       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
15797     else if (key == KSYM_Delete || key == KSYM_BackSpace)
15798       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
15799     else if (key == KSYM_Return)
15800       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
15801     else if (key == KSYM_Escape)
15802       DrawLevelText(0, 0, 0, TEXT_END);
15803
15804     return;
15805   }
15806
15807   int id = GADGET_ID_NONE;
15808   int new_element_shift = element_shift;
15809   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
15810   int button = MB_LEFTBUTTON;
15811   int i;
15812
15813   switch (key)
15814   {
15815     case KSYM_Left:
15816       id = GADGET_ID_SCROLL_LEFT;
15817       break;
15818     case KSYM_Right:
15819       id = GADGET_ID_SCROLL_RIGHT;
15820       break;
15821     case KSYM_Up:
15822       id = GADGET_ID_SCROLL_UP;
15823       break;
15824     case KSYM_Down:
15825       id = GADGET_ID_SCROLL_DOWN;
15826       break;
15827
15828     case KSYM_Page_Up:
15829     case KSYM_Page_Down:
15830       step *= (key == KSYM_Page_Up ? -1 : +1);
15831       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15832
15833       if (element_shift < 0)
15834         element_shift = 0;
15835       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15836         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15837
15838       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15839                    GDI_SCROLLBAR_ITEM_POSITION,
15840                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15841
15842       ModifyEditorElementList();
15843
15844       break;
15845
15846     case KSYM_Home:
15847     case KSYM_End:
15848       element_shift = (key == KSYM_Home ? 0 :
15849                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
15850
15851       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15852                    GDI_SCROLLBAR_ITEM_POSITION,
15853                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15854
15855       ModifyEditorElementList();
15856
15857       break;
15858
15859     case KSYM_Insert:
15860     case KSYM_Delete:
15861
15862       // this is needed to prevent interference with running "True X-Mouse"
15863       if (GetKeyModStateFromEvents() & KMOD_Control)
15864         break;
15865
15866       // check for last or next editor cascade block in element list
15867       for (i = 0; i < num_editor_elements; i++)
15868       {
15869         if ((key == KSYM_Insert && i == element_shift) ||
15870             (key == KSYM_Delete && new_element_shift > element_shift))
15871           break;
15872
15873         // jump to next cascade block (or to start of element list)
15874         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
15875           new_element_shift = i;
15876       }
15877
15878       if (i < num_editor_elements)
15879         element_shift = new_element_shift;
15880
15881       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15882         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15883
15884       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15885                    GDI_SCROLLBAR_ITEM_POSITION,
15886                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15887
15888       ModifyEditorElementList();
15889
15890       break;
15891
15892     case KSYM_Escape:
15893       if (edit_mode == ED_MODE_DRAWING)
15894         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
15895       else if (edit_mode == ED_MODE_LEVELCONFIG)
15896         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
15897       else if (edit_mode == ED_MODE_PROPERTIES)
15898         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
15899       else if (edit_mode == ED_MODE_PALETTE)
15900         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
15901       else              // should never happen
15902         ChangeEditModeWindow(ED_MODE_DRAWING);
15903
15904       break;
15905
15906     default:
15907       break;
15908   }
15909
15910   if (id != GADGET_ID_NONE)
15911     ClickOnGadget(level_editor_gadget[id], button);
15912   else if (letter == '1' || letter == '?')
15913     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
15914   else if (letter == '2')
15915     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
15916   else if (letter == '3')
15917     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
15918   else if (letter == '.')
15919     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
15920   else if (letter == 'U')
15921     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
15922   else if (letter == '-' || key == KSYM_KP_Subtract)
15923     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
15924   else if (letter == '0' || key == KSYM_KP_0)
15925     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
15926   else if (letter == '+' || key == KSYM_KP_Add ||
15927            letter == '=')       // ("Shift-=" is "+" on US keyboards)
15928     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
15929   else if (key == KSYM_Return ||
15930            key == KSYM_space ||
15931            key == setup.shortcut.toggle_pause)
15932     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
15933   else
15934     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
15935       if (letter && letter == controlbutton_info[i].shortcut)
15936         if (!anyTextGadgetActive())
15937           ClickOnGadget(level_editor_gadget[i], button);
15938
15939   if (draw_with_brush)
15940   {
15941     if (letter == 'x')
15942       FlipBrushX();
15943     else if (letter == 'y')
15944       FlipBrushY();
15945     else if (letter == 'z')
15946       RotateBrush();
15947   }
15948 }
15949
15950 static void HandleLevelEditorIdle_Properties(void)
15951 {
15952   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
15953   int x = editor.settings.element_graphic.x + element_border;
15954   int y = editor.settings.element_graphic.y + element_border;
15955   static DelayCounter action_delay = { 0 };
15956   int i;
15957
15958   action_delay.value = GameFrameDelay;
15959
15960   if (!DelayReached(&action_delay))
15961     return;
15962
15963   for (i = 0; i < ED_NUM_SELECTBOX; i++)
15964   {
15965     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
15966
15967     if (gi->mapped && gi->active && gi->selectbox.open)
15968       return;
15969   }
15970
15971   DrawEditorElementAnimation(SX + x, SY + y);
15972
15973   redraw_mask |= REDRAW_FIELD;
15974
15975   FrameCounter++;       // increase animation frame counter
15976 }
15977
15978 static void HandleLevelEditorIdle_Drawing(void)
15979 {
15980   static boolean last_highlighted = FALSE;
15981   static boolean last_highlighted_similar = FALSE;
15982   boolean highlighted = (GetKeyModState() & KMOD_Alt);
15983   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
15984
15985   if (highlighted != last_highlighted ||
15986       (highlighted && highlighted_similar != last_highlighted_similar))
15987   {
15988     DrawAreaElementHighlight(highlighted, highlighted_similar);
15989
15990     redraw_mask |= REDRAW_FIELD;
15991   }
15992
15993   last_highlighted = highlighted;
15994   last_highlighted_similar = highlighted_similar;
15995 }
15996
15997 void HandleLevelEditorIdle(void)
15998 {
15999   if (edit_mode == ED_MODE_PROPERTIES)
16000     HandleLevelEditorIdle_Properties();
16001   else if (edit_mode == ED_MODE_DRAWING)
16002     HandleLevelEditorIdle_Drawing();
16003 }
16004
16005 static void ClearEditorGadgetInfoText(void)
16006 {
16007   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
16008 }
16009
16010 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
16011 {
16012   char infotext[MAX_OUTPUT_LINESIZE + 1];
16013   int max_infotext_len = getMaxInfoTextLength();
16014
16015   if (gi == NULL || strlen(gi->info_text) == 0)
16016     return;
16017
16018   strncpy(infotext, gi->info_text, max_infotext_len);
16019   infotext[max_infotext_len] = '\0';
16020
16021   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
16022   {
16023     int key = controlbutton_info[gi->custom_id].shortcut;
16024
16025     if (key)
16026     {
16027       char shortcut[MAX_OUTPUT_LINESIZE + 1];
16028
16029       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
16030         sprintf(shortcut, " ('.' or '%c')", key);
16031       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
16032         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
16033       else if (gi->custom_id == GADGET_ID_TEST)
16034         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
16035       else if (gi->custom_id == GADGET_ID_UNDO)
16036         sprintf(shortcut, " ('%c/Shift-U')", key);
16037       else if (gi->custom_id == GADGET_ID_ZOOM)
16038         sprintf(shortcut, " ('%c', '0', '-')", key);
16039       else
16040         sprintf(shortcut, " ('%s%c')",
16041                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
16042
16043       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
16044         strcat(infotext, shortcut);
16045     }
16046   }
16047
16048   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
16049 }
16050
16051 void HandleEditorGadgetInfoText(void *ptr)
16052 {
16053   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
16054
16055   if (game_status != GAME_MODE_EDITOR)
16056     return;
16057
16058   ClearEditorGadgetInfoText();
16059
16060   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
16061     return;
16062
16063   // misuse this function to delete brush cursor, if needed
16064   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
16065     DeleteBrushFromCursor();
16066
16067   PrintEditorGadgetInfoText(gi);
16068 }
16069
16070 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
16071 {
16072   int id = gi->custom_id;
16073   int type_id = gi->custom_type_id;
16074   int sx = gi->event.x;
16075   int sy = gi->event.y;
16076   int lx = sx + level_xpos;
16077   int ly = sy + level_ypos;
16078   int min_sx = 0, min_sy = 0;
16079   int max_sx = gi->drawing.area_xsize - 1;
16080   int max_sy = gi->drawing.area_ysize - 1;
16081   int actual_drawing_function = drawing_function;
16082   int max_infotext_len = getMaxInfoTextLength();
16083   char infotext[MAX_OUTPUT_LINESIZE + 1];
16084
16085   infotext[0] = '\0';           // start with empty info text
16086
16087   // pressed Control key: simulate picking element
16088   if (GetKeyModState() & KMOD_Control)
16089     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
16090
16091   ClearEditorGadgetInfoText();
16092
16093   if (gi->event.type == GD_EVENT_INFO_LEAVING)
16094     return;
16095
16096   // make sure to stay inside drawing area boundaries
16097   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
16098   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
16099
16100   if (id == GADGET_ID_DRAWING_LEVEL)
16101   {
16102     if (button_status)
16103     {
16104       int min_lx = 0, min_ly = 0;
16105       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
16106
16107       // get positions inside level field
16108       lx = sx + level_xpos;
16109       ly = sy + level_ypos;
16110
16111       // make sure to stay inside level field boundaries
16112       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
16113       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
16114
16115       // correct drawing area positions accordingly
16116       sx = lx - level_xpos;
16117       sy = ly - level_ypos;
16118     }
16119
16120     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16121     {
16122       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
16123       {
16124         static int start_lx = 0;
16125         static int start_ly = 0;
16126         char *text;
16127
16128         if (gi->event.type == GD_EVENT_PRESSED)
16129         {
16130           start_lx = lx;
16131           start_ly = ly;
16132         }
16133
16134         switch (actual_drawing_function)
16135         {
16136           case GADGET_ID_SINGLE_ITEMS:
16137             text = "Drawing single items";
16138             break;
16139           case GADGET_ID_CONNECTED_ITEMS:
16140             text = "Drawing connected items";
16141             break;
16142           case GADGET_ID_LINE:
16143             text = "Drawing line";
16144             break;
16145           case GADGET_ID_ARC:
16146             text = "Drawing arc";
16147             break;
16148           case GADGET_ID_TEXT:
16149             text = "Setting text cursor";
16150             break;
16151           case GADGET_ID_RECTANGLE:
16152             text = "Drawing rectangle";
16153             break;
16154           case GADGET_ID_FILLED_BOX:
16155             text = "Drawing filled box";
16156             break;
16157           case GADGET_ID_FLOOD_FILL:
16158             text = "Flood fill";
16159             break;
16160           case GADGET_ID_GRAB_BRUSH:
16161             text = "Grabbing brush";
16162             break;
16163           case GADGET_ID_PICK_ELEMENT:
16164             text = "Picking element";
16165             break;
16166
16167           default:
16168             text = "Drawing position";
16169             break;
16170         }
16171
16172         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16173           sprintf(infotext, "%s: %d, %d", text, lx, ly);
16174         else
16175           sprintf(infotext, "%s: %d, %d", text,
16176                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
16177       }
16178       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16179         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
16180       else
16181         sprintf(infotext, "Level position: %d, %d", lx, ly);
16182     }
16183
16184     // misuse this function to draw brush cursor, if needed
16185     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
16186     {
16187       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16188         CopyBrushToCursor(sx, sy);
16189       else
16190         DeleteBrushFromCursor();
16191     }
16192
16193     if (!draw_with_brush)
16194       UpdateBrushPosition(sx, sy);
16195   }
16196   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16197   {
16198     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16199     int element = drawingarea_info[type_id].value[pos];
16200
16201     strncpy(infotext, getElementInfoText(element), max_infotext_len);
16202   }
16203   else
16204   {
16205     if (id == GADGET_ID_CUSTOM_CONTENT)
16206       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
16207     else if (id == GADGET_ID_GROUP_CONTENT)
16208       sprintf(infotext, "group element position: %d", sx + 1);
16209     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
16210              id <= GADGET_ID_YAMYAM_CONTENT_7)
16211       sprintf(infotext, "content area %d position: %d, %d",
16212               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
16213     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
16214              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
16215       sprintf(infotext, "content area %d position: %d, %d",
16216               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
16217     else if (id == GADGET_ID_ANDROID_CONTENT)
16218       sprintf(infotext, "android element position: %d", sx + 1);
16219     else if (drawingarea_info[type_id].infotext != NULL)
16220       strcpy(infotext, drawingarea_info[type_id].infotext);
16221   }
16222
16223   infotext[max_infotext_len] = '\0';
16224
16225   if (strlen(infotext) > 0)
16226     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
16227 }
16228
16229 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
16230                             boolean quick_quit)
16231 {
16232   if (!ask_if_level_has_changed ||
16233       !LevelChanged() ||
16234       Request("Level has changed! Exit without saving?",
16235               REQ_ASK | REQ_STAY_OPEN))
16236   {
16237     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
16238     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
16239
16240     // draw normal door
16241     UndrawSpecialEditorDoor();
16242
16243     // use door animation if door 1 viewport is unchanged and contains toolbox
16244     if (useEditorDoorAnimation())
16245       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
16246
16247     // close editor doors if viewport definition is the same as in main menu
16248     if (vp_door_1->x      == DX     &&
16249         vp_door_1->y      == DY     &&
16250         vp_door_1->width  == DXSIZE &&
16251         vp_door_1->height == DYSIZE &&
16252         vp_door_2->x      == VX     &&
16253         vp_door_2->y      == VY     &&
16254         vp_door_2->width  == VXSIZE &&
16255         vp_door_2->height == VYSIZE)
16256       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
16257     else
16258       SetDoorState(DOOR_CLOSE_ALL);
16259
16260     BackToFront();
16261
16262     if (quick_quit)
16263       FadeSkipNextFadeIn();
16264
16265     SetGameStatus(GAME_MODE_MAIN);
16266
16267     DrawMainMenu();
16268   }
16269   else
16270   {
16271     if (!global.use_envelope_request)
16272     {
16273       CloseDoor(DOOR_CLOSE_1);
16274       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
16275     }
16276   }
16277 }