src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 // ----------------------------------------------------------------------------
  29 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_COLS             MAX(1, editor.palette.cols)
  69 #define ED_ELEMENTLIST_ROWS             MAX(1, editor.palette.rows)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (ED_ELEMENTLIST_COLS)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (ED_ELEMENTLIST_ROWS)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 // standard distances
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 // values for drawingarea gadgets
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 // values for checkbutton gadgets
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 // values for element content drawing areas
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 // element content
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 // yamyam content
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 // magic ball content
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 // values for scrolling gadgets for drawing area
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 // values for scrolling gadgets for element list
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_X              (editor.settings.tooltip.x)
 350 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 351 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 352 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 353 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 354                                       SYSIZE - INFOTEXT_YSIZE)
 355
 356
 357 // ----------------------------------------------------------------------------
 358 // editor gadget definitions
 359 // ----------------------------------------------------------------------------
 360
 361 enum
 362 {
 363   GADGET_ID_NONE = -1,
 364
 365   // drawing toolbox buttons
 366
 367   GADGET_ID_SINGLE_ITEMS,
 368   GADGET_ID_CONNECTED_ITEMS,
 369   GADGET_ID_LINE,
 370   GADGET_ID_ARC,
 371   GADGET_ID_RECTANGLE,
 372   GADGET_ID_FILLED_BOX,
 373   GADGET_ID_WRAP_UP,
 374   GADGET_ID_TEXT,
 375   GADGET_ID_FLOOD_FILL,
 376   GADGET_ID_WRAP_LEFT,
 377   GADGET_ID_ZOOM,
 378   GADGET_ID_WRAP_RIGHT,
 379   GADGET_ID_RANDOM_PLACEMENT,
 380   GADGET_ID_GRAB_BRUSH,
 381   GADGET_ID_WRAP_DOWN,
 382   GADGET_ID_PICK_ELEMENT,
 383
 384   GADGET_ID_UNDO,
 385   GADGET_ID_CONF,
 386   GADGET_ID_SAVE,
 387   GADGET_ID_CLEAR,
 388   GADGET_ID_TEST,
 389   GADGET_ID_EXIT,
 390
 391   GADGET_ID_CUSTOM_COPY_FROM,
 392   GADGET_ID_CUSTOM_COPY_TO,
 393   GADGET_ID_CUSTOM_EXCHANGE,
 394   GADGET_ID_CUSTOM_COPY,
 395   GADGET_ID_CUSTOM_PASTE,
 396
 397   GADGET_ID_PROPERTIES,
 398   GADGET_ID_ELEMENT_LEFT,
 399   GADGET_ID_ELEMENT_MIDDLE,
 400   GADGET_ID_ELEMENT_RIGHT,
 401   GADGET_ID_PALETTE,
 402
 403   // counter gadget identifiers
 404
 405   GADGET_ID_SELECT_LEVEL_DOWN,
 406   GADGET_ID_SELECT_LEVEL_TEXT,
 407   GADGET_ID_SELECT_LEVEL_UP,
 408   GADGET_ID_LEVEL_XSIZE_DOWN,
 409   GADGET_ID_LEVEL_XSIZE_TEXT,
 410   GADGET_ID_LEVEL_XSIZE_UP,
 411   GADGET_ID_LEVEL_YSIZE_DOWN,
 412   GADGET_ID_LEVEL_YSIZE_TEXT,
 413   GADGET_ID_LEVEL_YSIZE_UP,
 414   GADGET_ID_LEVEL_RANDOM_DOWN,
 415   GADGET_ID_LEVEL_RANDOM_TEXT,
 416   GADGET_ID_LEVEL_RANDOM_UP,
 417   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 418   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 419   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 420   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 421   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 422   GADGET_ID_LEVEL_TIMELIMIT_UP,
 423   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 424   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 425   GADGET_ID_LEVEL_TIMESCORE_UP,
 426   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 427   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 428   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 429   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 430   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 431   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 432   GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,
 433   GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,
 434   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
 435   GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,
 436   GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,
 437   GADGET_ID_BD_CYCLE_DELAY_C64_UP,
 438   GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,
 439   GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,
 440   GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
 441   GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,
 442   GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,
 443   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
 444   GADGET_ID_BD_PUSHING_PROB_DOWN,
 445   GADGET_ID_BD_PUSHING_PROB_TEXT,
 446   GADGET_ID_BD_PUSHING_PROB_UP,
 447   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,
 448   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,
 449   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
 450   GADGET_ID_ELEMENT_VALUE1_DOWN,
 451   GADGET_ID_ELEMENT_VALUE1_TEXT,
 452   GADGET_ID_ELEMENT_VALUE1_UP,
 453   GADGET_ID_ELEMENT_VALUE2_DOWN,
 454   GADGET_ID_ELEMENT_VALUE2_TEXT,
 455   GADGET_ID_ELEMENT_VALUE2_UP,
 456   GADGET_ID_ELEMENT_VALUE3_DOWN,
 457   GADGET_ID_ELEMENT_VALUE3_TEXT,
 458   GADGET_ID_ELEMENT_VALUE3_UP,
 459   GADGET_ID_ELEMENT_VALUE4_DOWN,
 460   GADGET_ID_ELEMENT_VALUE4_TEXT,
 461   GADGET_ID_ELEMENT_VALUE4_UP,
 462   GADGET_ID_YAMYAM_CONTENT_DOWN,
 463   GADGET_ID_YAMYAM_CONTENT_TEXT,
 464   GADGET_ID_YAMYAM_CONTENT_UP,
 465   GADGET_ID_BALL_CONTENT_DOWN,
 466   GADGET_ID_BALL_CONTENT_TEXT,
 467   GADGET_ID_BALL_CONTENT_UP,
 468   GADGET_ID_ANDROID_CONTENT_DOWN,
 469   GADGET_ID_ANDROID_CONTENT_TEXT,
 470   GADGET_ID_ANDROID_CONTENT_UP,
 471   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 472   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 473   GADGET_ID_ENVELOPE_XSIZE_UP,
 474   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 475   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 476   GADGET_ID_ENVELOPE_YSIZE_UP,
 477   GADGET_ID_INVENTORY_SIZE_DOWN,
 478   GADGET_ID_INVENTORY_SIZE_TEXT,
 479   GADGET_ID_INVENTORY_SIZE_UP,
 480   GADGET_ID_MM_BALL_CONTENT_DOWN,
 481   GADGET_ID_MM_BALL_CONTENT_TEXT,
 482   GADGET_ID_MM_BALL_CONTENT_UP,
 483   GADGET_ID_CUSTOM_SCORE_DOWN,
 484   GADGET_ID_CUSTOM_SCORE_TEXT,
 485   GADGET_ID_CUSTOM_SCORE_UP,
 486   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 487   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 488   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 489   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 490   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 491   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 492   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 493   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 494   GADGET_ID_CUSTOM_VALUE_RND_UP,
 495   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 496   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 497   GADGET_ID_PUSH_DELAY_FIX_UP,
 498   GADGET_ID_PUSH_DELAY_RND_DOWN,
 499   GADGET_ID_PUSH_DELAY_RND_TEXT,
 500   GADGET_ID_PUSH_DELAY_RND_UP,
 501   GADGET_ID_DROP_DELAY_FIX_DOWN,
 502   GADGET_ID_DROP_DELAY_FIX_TEXT,
 503   GADGET_ID_DROP_DELAY_FIX_UP,
 504   GADGET_ID_DROP_DELAY_RND_DOWN,
 505   GADGET_ID_DROP_DELAY_RND_TEXT,
 506   GADGET_ID_DROP_DELAY_RND_UP,
 507   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 508   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 509   GADGET_ID_MOVE_DELAY_FIX_UP,
 510   GADGET_ID_MOVE_DELAY_RND_DOWN,
 511   GADGET_ID_MOVE_DELAY_RND_TEXT,
 512   GADGET_ID_MOVE_DELAY_RND_UP,
 513   GADGET_ID_STEP_DELAY_FIX_DOWN,
 514   GADGET_ID_STEP_DELAY_FIX_TEXT,
 515   GADGET_ID_STEP_DELAY_FIX_UP,
 516   GADGET_ID_STEP_DELAY_RND_DOWN,
 517   GADGET_ID_STEP_DELAY_RND_TEXT,
 518   GADGET_ID_STEP_DELAY_RND_UP,
 519   GADGET_ID_EXPLOSION_DELAY_DOWN,
 520   GADGET_ID_EXPLOSION_DELAY_TEXT,
 521   GADGET_ID_EXPLOSION_DELAY_UP,
 522   GADGET_ID_IGNITION_DELAY_DOWN,
 523   GADGET_ID_IGNITION_DELAY_TEXT,
 524   GADGET_ID_IGNITION_DELAY_UP,
 525   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 526   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 527   GADGET_ID_CHANGE_DELAY_FIX_UP,
 528   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 529   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 530   GADGET_ID_CHANGE_DELAY_RND_UP,
 531   GADGET_ID_CHANGE_CONT_RND_DOWN,
 532   GADGET_ID_CHANGE_CONT_RND_TEXT,
 533   GADGET_ID_CHANGE_CONT_RND_UP,
 534   GADGET_ID_GROUP_CONTENT_DOWN,
 535   GADGET_ID_GROUP_CONTENT_TEXT,
 536   GADGET_ID_GROUP_CONTENT_UP,
 537
 538   // drawing area identifiers
 539
 540   GADGET_ID_DRAWING_LEVEL,
 541   GADGET_ID_YAMYAM_CONTENT_0,
 542   GADGET_ID_YAMYAM_CONTENT_1,
 543   GADGET_ID_YAMYAM_CONTENT_2,
 544   GADGET_ID_YAMYAM_CONTENT_3,
 545   GADGET_ID_YAMYAM_CONTENT_4,
 546   GADGET_ID_YAMYAM_CONTENT_5,
 547   GADGET_ID_YAMYAM_CONTENT_6,
 548   GADGET_ID_YAMYAM_CONTENT_7,
 549   GADGET_ID_MAGIC_BALL_CONTENT_0,
 550   GADGET_ID_MAGIC_BALL_CONTENT_1,
 551   GADGET_ID_MAGIC_BALL_CONTENT_2,
 552   GADGET_ID_MAGIC_BALL_CONTENT_3,
 553   GADGET_ID_MAGIC_BALL_CONTENT_4,
 554   GADGET_ID_MAGIC_BALL_CONTENT_5,
 555   GADGET_ID_MAGIC_BALL_CONTENT_6,
 556   GADGET_ID_MAGIC_BALL_CONTENT_7,
 557   GADGET_ID_ANDROID_CONTENT,
 558   GADGET_ID_AMOEBA_CONTENT,
 559   GADGET_ID_BD_SNAP_ELEMENT,
 560   GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,
 561   GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,
 562   GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
 563   GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
 564   GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
 565   GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
 566   GADGET_ID_BD_ACID_EATS_ELEMENT,
 567   GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,
 568   GADGET_ID_BD_BITER_EATS_ELEMENT,
 569   GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
 570   GADGET_ID_START_ELEMENT,
 571   GADGET_ID_ARTWORK_ELEMENT,
 572   GADGET_ID_EXPLOSION_ELEMENT,
 573   GADGET_ID_INVENTORY_CONTENT,
 574   GADGET_ID_MM_BALL_CONTENT,
 575   GADGET_ID_CUSTOM_GRAPHIC,
 576   GADGET_ID_CUSTOM_CONTENT,
 577   GADGET_ID_CUSTOM_MOVE_ENTER,
 578   GADGET_ID_CUSTOM_MOVE_LEAVE,
 579   GADGET_ID_CUSTOM_CHANGE_TARGET,
 580   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 581   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 582   GADGET_ID_CUSTOM_CHANGE_ACTION,
 583   GADGET_ID_GROUP_CONTENT,
 584   GADGET_ID_RANDOM_BACKGROUND,
 585
 586   // text input identifiers
 587
 588   GADGET_ID_LEVEL_NAME,
 589   GADGET_ID_LEVEL_AUTHOR,
 590   GADGET_ID_LEVELSET_NAME,
 591   GADGET_ID_LEVELSET_AUTHOR,
 592   GADGET_ID_ELEMENT_NAME,
 593
 594   // text area identifiers
 595
 596   GADGET_ID_ENVELOPE_INFO,
 597
 598   // selectbox identifiers
 599
 600   GADGET_ID_TIME_OR_STEPS,
 601   GADGET_ID_TIME_SCORE_BASE,
 602   GADGET_ID_GAME_ENGINE_TYPE,
 603   GADGET_ID_BD_SCHEDULING_TYPE,
 604   GADGET_ID_LEVELSET_SAVE_MODE,
 605   GADGET_ID_WIND_DIRECTION,
 606   GADGET_ID_PLAYER_SPEED,
 607   GADGET_ID_MM_BALL_CHOICE_MODE,
 608   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 609   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 610   GADGET_ID_CUSTOM_DEADLINESS,
 611   GADGET_ID_CUSTOM_MOVE_PATTERN,
 612   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 613   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 614   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 615   GADGET_ID_CUSTOM_SMASH_TARGETS,
 616   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 617   GADGET_ID_CUSTOM_ACCESS_TYPE,
 618   GADGET_ID_CUSTOM_ACCESS_LAYER,
 619   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 620   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 621   GADGET_ID_CHANGE_TIME_UNITS,
 622   GADGET_ID_CHANGE_DIRECT_ACTION,
 623   GADGET_ID_CHANGE_OTHER_ACTION,
 624   GADGET_ID_CHANGE_SIDE,
 625   GADGET_ID_CHANGE_PLAYER,
 626   GADGET_ID_CHANGE_PAGE,
 627   GADGET_ID_CHANGE_REPLACE_WHEN,
 628   GADGET_ID_ACTION_TYPE,
 629   GADGET_ID_ACTION_MODE,
 630   GADGET_ID_ACTION_ARG,
 631   GADGET_ID_SELECT_CHANGE_PAGE,
 632   GADGET_ID_GROUP_CHOICE_MODE,
 633
 634   // textbutton identifiers
 635
 636   GADGET_ID_LEVELCONFIG_LEVEL,
 637   GADGET_ID_LEVELCONFIG_LEVELSET,
 638   GADGET_ID_LEVELCONFIG_EDITOR,
 639   GADGET_ID_LEVELCONFIG_ENGINE,
 640   GADGET_ID_PROPERTIES_INFO,
 641   GADGET_ID_PROPERTIES_CONFIG,
 642   GADGET_ID_PROPERTIES_CONFIG_1,
 643   GADGET_ID_PROPERTIES_CONFIG_2,
 644   GADGET_ID_PROPERTIES_CHANGE,
 645   GADGET_ID_SAVE_AS_TEMPLATE_1,
 646   GADGET_ID_SAVE_AS_TEMPLATE_2,
 647   GADGET_ID_SAVE_LEVELSET,
 648   GADGET_ID_ADD_CHANGE_PAGE,
 649   GADGET_ID_DEL_CHANGE_PAGE,
 650
 651   // graphicbutton identifiers
 652
 653   GADGET_ID_PREV_CHANGE_PAGE,
 654   GADGET_ID_NEXT_CHANGE_PAGE,
 655   GADGET_ID_COPY_CHANGE_PAGE,
 656   GADGET_ID_PASTE_CHANGE_PAGE,
 657
 658   // gadgets for scrolling of drawing area
 659
 660   GADGET_ID_SCROLL_UP,
 661   GADGET_ID_SCROLL_DOWN,
 662   GADGET_ID_SCROLL_LEFT,
 663   GADGET_ID_SCROLL_RIGHT,
 664   GADGET_ID_SCROLL_HORIZONTAL,
 665   GADGET_ID_SCROLL_VERTICAL,
 666
 667   // gadgets for scrolling element list
 668
 669   GADGET_ID_SCROLL_LIST_UP,
 670   GADGET_ID_SCROLL_LIST_DOWN,
 671   GADGET_ID_SCROLL_LIST_VERTICAL,
 672
 673   // checkbuttons/radiobuttons for level/element properties
 674
 675   GADGET_ID_AUTO_COUNT_GEMS,
 676   GADGET_ID_RATE_TIME_OVER_SCORE,
 677   GADGET_ID_USE_LEVELSET_ARTWORK,
 678   GADGET_ID_COPY_LEVEL_TEMPLATE,
 679   GADGET_ID_RANDOM_PERCENTAGE,
 680   GADGET_ID_RANDOM_QUANTITY,
 681   GADGET_ID_RANDOM_RESTRICTED,
 682   GADGET_ID_BD_INTERMISSION,
 683   GADGET_ID_BD_PAL_TIMING,
 684   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 685   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 686   GADGET_ID_BD_SHORT_EXPLOSIONS,
 687   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 688   GADGET_ID_STICK_ELEMENT,
 689   GADGET_ID_EM_SLIPPERY_GEMS,
 690   GADGET_ID_EM_EXPLODES_BY_FIRE,
 691   GADGET_ID_USE_SPRING_BUG,
 692   GADGET_ID_USE_TIME_ORB_BUG,
 693   GADGET_ID_USE_LIFE_BUGS,
 694   GADGET_ID_RANDOM_BALL_CONTENT,
 695   GADGET_ID_INITIAL_BALL_ACTIVE,
 696   GADGET_ID_GROW_INTO_DIGGABLE,
 697   GADGET_ID_SB_FIELDS_NEEDED,
 698   GADGET_ID_SB_OBJECTS_NEEDED,
 699   GADGET_ID_AUTO_EXIT_SOKOBAN,
 700   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 701   GADGET_ID_FINISH_DIG_COLLECT,
 702   GADGET_ID_KEEP_WALKABLE_CE,
 703   GADGET_ID_CONTINUOUS_SNAPPING,
 704   GADGET_ID_BLOCK_SNAP_FIELD,
 705   GADGET_ID_BLOCK_LAST_FIELD,
 706   GADGET_ID_SP_BLOCK_LAST_FIELD,
 707   GADGET_ID_INSTANT_RELOCATION,
 708   GADGET_ID_SHIFTED_RELOCATION,
 709   GADGET_ID_LAZY_RELOCATION,
 710   GADGET_ID_USE_START_ELEMENT,
 711   GADGET_ID_USE_ARTWORK_ELEMENT,
 712   GADGET_ID_USE_EXPLOSION_ELEMENT,
 713   GADGET_ID_INITIAL_GRAVITY,
 714   GADGET_ID_USE_INITIAL_INVENTORY,
 715   GADGET_ID_CAN_PASS_TO_WALKABLE,
 716   GADGET_ID_CAN_FALL_INTO_ACID,
 717   GADGET_ID_CAN_MOVE_INTO_ACID,
 718   GADGET_ID_DONT_COLLIDE_WITH,
 719   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 720   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 721   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 722   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 723   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 724   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 725   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 726   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 727   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 728   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 729   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 730   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 731   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 732   GADGET_ID_ENVELOPE_AUTOWRAP,
 733   GADGET_ID_ENVELOPE_CENTERED,
 734   GADGET_ID_MM_LASER_RED,
 735   GADGET_ID_MM_LASER_GREEN,
 736   GADGET_ID_MM_LASER_BLUE,
 737   GADGET_ID_DF_LASER_RED,
 738   GADGET_ID_DF_LASER_GREEN,
 739   GADGET_ID_DF_LASER_BLUE,
 740   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 741   GADGET_ID_EXPLODE_MM_BALL,
 742   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 743   GADGET_ID_CUSTOM_CAN_EXPLODE,
 744   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 745   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 746   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 747   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 748   GADGET_ID_CUSTOM_DEADLY,
 749   GADGET_ID_CUSTOM_CAN_MOVE,
 750   GADGET_ID_CUSTOM_CAN_FALL,
 751   GADGET_ID_CUSTOM_CAN_SMASH,
 752   GADGET_ID_CUSTOM_SLIPPERY,
 753   GADGET_ID_CUSTOM_ACCESSIBLE,
 754   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 755   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 756   GADGET_ID_CUSTOM_USE_GRAPHIC,
 757   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 758   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 759   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 760   GADGET_ID_CUSTOM_CAN_CHANGE,
 761   GADGET_ID_CHANGE_USE_CONTENT,
 762   GADGET_ID_CHANGE_USE_EXPLOSION,
 763   GADGET_ID_CHANGE_ONLY_COMPLETE,
 764   GADGET_ID_CHANGE_USE_RANDOM,
 765   GADGET_ID_CHANGE_HAS_ACTION,
 766   GADGET_ID_CHANGE_DELAY,
 767   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 768   GADGET_ID_CHANGE_BY_OTHER_ACT,
 769
 770   NUM_STATIC_GADGET_IDS
 771 };
 772
 773 // gadgets for buttons in element list (dynamic)
 774 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 775 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 776                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 777
 778 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 779
 780 // radio button numbers
 781 enum
 782 {
 783   RADIO_NR_NONE,
 784   RADIO_NR_DRAWING_TOOLBOX,
 785   RADIO_NR_RANDOM_ELEMENTS
 786 };
 787
 788 // values for counter gadgets
 789 enum
 790 {
 791   ED_COUNTER_ID_SELECT_LEVEL,
 792   ED_COUNTER_ID_LEVEL_XSIZE,
 793   ED_COUNTER_ID_LEVEL_YSIZE,
 794   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 795   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 796   ED_COUNTER_ID_LEVEL_TIMESCORE,
 797   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 798   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 799   ED_COUNTER_ID_LEVEL_RANDOM,
 800   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 801   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 802   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 803   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 804   ED_COUNTER_ID_BD_PUSHING_PROB,
 805   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 806   ED_COUNTER_ID_ELEMENT_VALUE1,
 807   ED_COUNTER_ID_ELEMENT_VALUE2,
 808   ED_COUNTER_ID_ELEMENT_VALUE3,
 809   ED_COUNTER_ID_ELEMENT_VALUE4,
 810   ED_COUNTER_ID_YAMYAM_CONTENT,
 811   ED_COUNTER_ID_BALL_CONTENT,
 812   ED_COUNTER_ID_ANDROID_CONTENT,
 813   ED_COUNTER_ID_ENVELOPE_XSIZE,
 814   ED_COUNTER_ID_ENVELOPE_YSIZE,
 815   ED_COUNTER_ID_INVENTORY_SIZE,
 816   ED_COUNTER_ID_MM_BALL_CONTENT,
 817   ED_COUNTER_ID_CUSTOM_SCORE,
 818   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 819   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 820   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 821   ED_COUNTER_ID_PUSH_DELAY_FIX,
 822   ED_COUNTER_ID_PUSH_DELAY_RND,
 823   ED_COUNTER_ID_DROP_DELAY_FIX,
 824   ED_COUNTER_ID_DROP_DELAY_RND,
 825   ED_COUNTER_ID_MOVE_DELAY_FIX,
 826   ED_COUNTER_ID_MOVE_DELAY_RND,
 827   ED_COUNTER_ID_STEP_DELAY_FIX,
 828   ED_COUNTER_ID_STEP_DELAY_RND,
 829   ED_COUNTER_ID_EXPLOSION_DELAY,
 830   ED_COUNTER_ID_IGNITION_DELAY,
 831   ED_COUNTER_ID_GROUP_CONTENT,
 832   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 833   ED_COUNTER_ID_CHANGE_DELAY_RND,
 834   ED_COUNTER_ID_CHANGE_CONT_RND,
 835
 836   ED_NUM_COUNTERBUTTONS
 837 };
 838
 839 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 840 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 841 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 842 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 843 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 844 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 845
 846 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 847 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 848 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 849 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 850 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 851 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 852
 853 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 854 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 855
 856 // values for scrollbutton gadgets
 857 enum
 858 {
 859   ED_SCROLLBUTTON_ID_AREA_UP,
 860   ED_SCROLLBUTTON_ID_AREA_DOWN,
 861   ED_SCROLLBUTTON_ID_AREA_LEFT,
 862   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 863   ED_SCROLLBUTTON_ID_LIST_UP,
 864   ED_SCROLLBUTTON_ID_LIST_DOWN,
 865
 866   ED_NUM_SCROLLBUTTONS
 867 };
 868
 869 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 870 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 871
 872 // values for scrollbar gadgets
 873 enum
 874 {
 875   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 876   ED_SCROLLBAR_ID_AREA_VERTICAL,
 877   ED_SCROLLBAR_ID_LIST_VERTICAL,
 878
 879   ED_NUM_SCROLLBARS
 880 };
 881
 882 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 883 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 884
 885 // values for text input gadgets
 886 enum
 887 {
 888   ED_TEXTINPUT_ID_LEVEL_NAME,
 889   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 890   ED_TEXTINPUT_ID_LEVELSET_NAME,
 891   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 892   ED_TEXTINPUT_ID_ELEMENT_NAME,
 893
 894   ED_NUM_TEXTINPUT
 895 };
 896
 897 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 898 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 899
 900 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 901 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 902
 903 // values for text area gadgets
 904 enum
 905 {
 906   ED_TEXTAREA_ID_ENVELOPE_INFO,
 907
 908   ED_NUM_TEXTAREAS
 909 };
 910
 911 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 912 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 913
 914 // values for selectbox gadgets
 915 enum
 916 {
 917   ED_SELECTBOX_ID_TIME_OR_STEPS,
 918   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 919   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 920   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 921   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 922   ED_SELECTBOX_ID_WIND_DIRECTION,
 923   ED_SELECTBOX_ID_PLAYER_SPEED,
 924   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 925   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 926   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 927   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 928   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 929   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 930   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 931   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 932   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 933   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 934   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 935   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 936   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 937   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 938   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 939   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 940   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 941   ED_SELECTBOX_ID_CHANGE_SIDE,
 942   ED_SELECTBOX_ID_CHANGE_PLAYER,
 943   ED_SELECTBOX_ID_CHANGE_PAGE,
 944   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 945   ED_SELECTBOX_ID_ACTION_TYPE,
 946   ED_SELECTBOX_ID_ACTION_MODE,
 947   ED_SELECTBOX_ID_ACTION_ARG,
 948   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 949   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 950
 951   ED_NUM_SELECTBOX
 952 };
 953
 954 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 955 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 956
 957 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 958 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 959
 960 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 961 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 962
 963 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 964 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 965 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 966 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 967 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 968 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 969
 970 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 971 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 972
 973 // values for textbutton gadgets
 974 enum
 975 {
 976   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
 977   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
 978   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
 979   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
 980   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 981   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 982   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 983   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 984   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 985   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 986   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 987   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 988   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 989   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 990
 991   ED_NUM_TEXTBUTTONS
 992 };
 993
 994 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
 995 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
 996
 997 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 998 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 999
1000 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1001 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1002
1003 // values for graphicbutton gadgets
1004 enum
1005 {
1006   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1007   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1008   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1009   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1010
1011   ED_NUM_GRAPHICBUTTONS
1012 };
1013
1014 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1015 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1016
1017 // values for checkbutton gadgets
1018 enum
1019 {
1020   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1021   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1022   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1023   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1024   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1025   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1026   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1027   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1028   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1029   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1030   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1031   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1032   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1033   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1034   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1035   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1036   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1037   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1038   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1039   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1040   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1041   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1042   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1043   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1044   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1045   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1046   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1047   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1048   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1049   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1050   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1051   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1052   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1053   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1054   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1055   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1056   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1057   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1058   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1059   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1060   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1061   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1062   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1063   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1064   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1065   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1066   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1067   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1068   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1069   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1070   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1071   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1072   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1073   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1074   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1075   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1076   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1077   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1078   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1079   ED_CHECKBUTTON_ID_MM_LASER_RED,
1080   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1081   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1082   ED_CHECKBUTTON_ID_DF_LASER_RED,
1083   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1084   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1085   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1086   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1087   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1088   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1089   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1090   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1091   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1092   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1093   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1094   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1095   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1096   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1097   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1098   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1099   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1100   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1101   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1102   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1103   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1104   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1105   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1106   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1107   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1108   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1109   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1110   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1111   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1112
1113   ED_NUM_CHECKBUTTONS
1114 };
1115
1116 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1117 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1118
1119 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1120 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1121
1122 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1123 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1124
1125 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1126 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL
1127
1128 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1129 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1130 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1131 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1132 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1133 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1134
1135 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1136 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1137
1138 // values for radiobutton gadgets
1139 enum
1140 {
1141   ED_RADIOBUTTON_ID_PERCENTAGE,
1142   ED_RADIOBUTTON_ID_QUANTITY,
1143
1144   ED_NUM_RADIOBUTTONS
1145 };
1146
1147 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1148 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1149
1150 // values for drawing area gadgets
1151 enum
1152 {
1153   ED_DRAWING_ID_DRAWING_LEVEL,
1154   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1155   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1156   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1157   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1158   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1159   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1160   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1161   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1162   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1163   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1164   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1165   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1166   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1167   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1168   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1169   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1170   ED_DRAWING_ID_ANDROID_CONTENT,
1171   ED_DRAWING_ID_AMOEBA_CONTENT,
1172   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1173   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1174   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1175   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1176   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1177   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1178   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1179   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1180   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1181   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1182   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1183   ED_DRAWING_ID_START_ELEMENT,
1184   ED_DRAWING_ID_ARTWORK_ELEMENT,
1185   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1186   ED_DRAWING_ID_INVENTORY_CONTENT,
1187   ED_DRAWING_ID_MM_BALL_CONTENT,
1188   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1189   ED_DRAWING_ID_CUSTOM_CONTENT,
1190   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1191   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1192   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1193   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1194   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1195   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1196   ED_DRAWING_ID_GROUP_CONTENT,
1197   ED_DRAWING_ID_RANDOM_BACKGROUND,
1198
1199   ED_NUM_DRAWING_AREAS
1200 };
1201
1202 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1203 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1204
1205
1206 // ----------------------------------------------------------------------------
1207 // some internally used definitions
1208 // ----------------------------------------------------------------------------
1209
1210 // values for CopyLevelToUndoBuffer()
1211 #define UNDO_IMMEDIATE                  0
1212 #define UNDO_ACCUMULATE                 1
1213
1214 // values for scrollbars
1215 #define ED_SCROLL_NO                    0
1216 #define ED_SCROLL_LEFT                  1
1217 #define ED_SCROLL_RIGHT                 2
1218 #define ED_SCROLL_UP                    4
1219 #define ED_SCROLL_DOWN                  8
1220
1221 // screens in the level editor
1222 #define ED_MODE_DRAWING                 0
1223 #define ED_MODE_LEVELCONFIG             1
1224 #define ED_MODE_PROPERTIES              2
1225 #define ED_MODE_PALETTE                 3
1226
1227 // sub-screens in the global settings section
1228 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1229 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1230 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1231 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1232
1233 // sub-screens in the element properties section
1234 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1235 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1236 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1237 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1238 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1239
1240 // how many steps can be cancelled
1241 #define NUM_UNDO_STEPS                  (64 + 1)
1242
1243 // values for elements with score for certain actions
1244 #define MIN_SCORE                       0
1245 #define MAX_SCORE                       999
1246
1247 // values for elements with count for collecting
1248 #define MIN_COLLECT_COUNT               0
1249 #define MAX_COLLECT_COUNT               999
1250
1251 // values for random placement
1252 #define RANDOM_USE_PERCENTAGE           0
1253 #define RANDOM_USE_QUANTITY             1
1254
1255 // values for level set save mode
1256 #define LEVELSET_SAVE_MODE_UPDATE       0
1257 #define LEVELSET_SAVE_MODE_CREATE       1
1258
1259 // default value for element tile size in drawing area
1260 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1261 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1262
1263
1264 // ----------------------------------------------------------------------------
1265 // some internally used data structure definitions
1266 // ----------------------------------------------------------------------------
1267
1268 static struct
1269 {
1270   int graphic;
1271   int gadget_id;
1272   struct XYTileSize *pos;
1273   int gadget_type;
1274   char *infotext;
1275   char shortcut;
1276 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1277 {
1278   // note: some additional characters are already reserved for "cheat mode"
1279   // shortcuts (":XYZ" style) -- for details, see "events.c"
1280
1281   // ---------- toolbox control buttons ---------------------------------------
1282
1283   {
1284     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1285     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1286     "Draw single items",                        's'
1287   },
1288   {
1289     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1290     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1291     "Draw connected items",                     'd'
1292   },
1293   {
1294     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1295     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1296     "Draw lines",                               'l'
1297   },
1298   {
1299     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1300     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1301     "Draw arcs",                                'a'
1302   },
1303   {
1304     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1305     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1306     "Draw outline rectangles",                  'r'
1307   },
1308   {
1309     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1310     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1311     "Draw filled rectangles",                   'R'
1312   },
1313   {
1314     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1315     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1316     "Wrap (rotate) level up",                   0
1317   },
1318   {
1319     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1320     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1321     "Enter text elements",                      't'
1322   },
1323   {
1324     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1325     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1326     "Flood fill",                               'f'
1327   },
1328   {
1329     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1330     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1331     "Wrap (rotate) level left",                 0
1332   },
1333   {
1334     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1335     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1336     "Zoom level tile size",                     '+'
1337   },
1338   {
1339     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1340     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1341     "Wrap (rotate) level right",                0
1342   },
1343   {
1344     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1345     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1346     "Random element placement",                 0
1347   },
1348   {
1349     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1350     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1351     "Grab brush",                               'b'
1352   },
1353   {
1354     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1355     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1356     "Wrap (rotate) level down",                 0
1357   },
1358   {
1359     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1360     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1361     "Pick drawing element",                     ','
1362   },
1363
1364   // ---------- level control buttons -----------------------------------------
1365
1366   {
1367     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1368     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1369     "Undo/redo last operation",                 'u'
1370   },
1371   {
1372     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1373     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1374     "Level and editor settings",                'I'
1375   },
1376   {
1377     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1378     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1379     "Save level",                               'S'
1380   },
1381   {
1382     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1383     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1384     "Clear level",                              'C'
1385   },
1386   {
1387     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1388     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1389     "Test level",                               'T'
1390   },
1391   {
1392     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1393     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1394     "Exit level editor",                        'E'
1395   },
1396
1397   // ---------- CE and GE control buttons -------------------------------------
1398
1399   {
1400     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1401     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1402     "Copy settings from other element",         0
1403   },
1404   {
1405     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1406     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1407     "Copy settings to other element",           0
1408   },
1409   {
1410     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1411     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1412     "Exchange element with other element",      0
1413   },
1414   {
1415     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1416     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1417     "Copy settings from this element",          0
1418   },
1419   {
1420     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1421     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1422     "Paste settings to this element",           0
1423   },
1424
1425   // ---------- palette control buttons ---------------------------------------
1426
1427   {
1428     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1429     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1430     "Properties of drawing element",            'p'
1431   },
1432   {
1433     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1434     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1435     "Properties of drawing element 1",          '1'
1436   },
1437   {
1438     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1439     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1440     "Properties of drawing element 2",          '2'
1441   },
1442   {
1443     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1444     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1445     "Properties of drawing element 3",          '3'
1446   },
1447   {
1448     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1449     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1450     "Show list of elements",                    'e'
1451   }
1452 };
1453
1454 static int random_placement_value = 10;
1455 static int random_placement_method = RANDOM_USE_QUANTITY;
1456 static int random_placement_background_element = EL_SAND;
1457 static boolean random_placement_background_restricted = FALSE;
1458 static boolean stick_element_properties_window = FALSE;
1459 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1460 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1461 static struct ElementChangeInfo custom_element_change;
1462 static struct ElementGroupInfo group_element_info;
1463 static struct ElementInfo custom_element;
1464
1465 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1466 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1467 static int levelset_num_levels = 100;
1468 static boolean levelset_use_levelset_artwork = FALSE;
1469 static boolean levelset_copy_level_template = FALSE;
1470 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1471
1472 static struct
1473 {
1474   int gadget_type_id;
1475   int x, y;
1476   int min_value, max_value;
1477   int gadget_id_down, gadget_id_up;
1478   int gadget_id_text;
1479   int gadget_id_align;
1480   int *value;
1481   char *text_above, *text_left, *text_right;
1482 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1483 {
1484   // ---------- current level number ------------------------------------------
1485
1486   {
1487     ED_COUNTER_ID_SELECT_LEVEL,
1488     -1, -1,     // these values are not constant, but can change at runtime
1489     1,                                  100,
1490     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1491     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1492     &level_nr,
1493     NULL,                               NULL, NULL
1494   },
1495
1496   // ---------- level and editor settings -------------------------------------
1497
1498   {
1499     ED_COUNTER_ID_LEVEL_XSIZE,
1500     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1501     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1502     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1503     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1504     &level.fieldx,
1505     "Playfield size:",                  NULL, "Width",
1506   },
1507   {
1508     ED_COUNTER_ID_LEVEL_YSIZE,
1509     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1510     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1511     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1512     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1513     &level.fieldy,
1514     NULL,                               " ", "Height",
1515   },
1516   {
1517     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1518     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1519     0,                                  999,
1520     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1521     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1522     &level.gems_needed,
1523     NULL,                               "Number of gems to collect:", NULL
1524   },
1525   {
1526     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1527     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1528     0,                                  9999,
1529     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1530     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1531     &level.time,
1532     "Time or step limit to solve level:", NULL, NULL
1533   },
1534   {
1535     ED_COUNTER_ID_LEVEL_TIMESCORE,
1536     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1537     0,                                  999,
1538     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1539     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1540     &level.score[SC_TIME_BONUS],
1541     "Score for time or steps left:",    NULL, NULL
1542   },
1543   {
1544     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1545     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1546     0,                                  9999,
1547     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1548     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1549     &level.random_seed,
1550     NULL,                               "Random seed:", "(0 => random)"
1551   },
1552   {
1553     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1554     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1555     1,                                  MAX_LEVELS,
1556     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1557     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1558     &levelset_num_levels,
1559     "Number of levels:",                NULL, NULL,
1560   },
1561   {
1562     ED_COUNTER_ID_LEVEL_RANDOM,
1563     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1564     1,                                  100,
1565     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1566     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1567     &random_placement_value,
1568     "Random element placement:",        NULL, "in"
1569   },
1570   {
1571     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1572     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1573     50,                                 500,
1574     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1575     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,   GADGET_ID_NONE,
1576     &level.bd_cycle_delay_ms,
1577     NULL,                               NULL, "Game cycle delay (ms)"
1578   },
1579   {
1580     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1581     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1582     0,                                  32,
1583     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,  GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1584     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,  GADGET_ID_NONE,
1585     &level.bd_cycle_delay_c64,
1586     NULL,                               NULL, "Game cycle delay (C64-style)"
1587   },
1588   {
1589     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1590     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1591     1,                                  40,
1592     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1593     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1594     &level.bd_hatching_delay_cycles,
1595     NULL,                               NULL, "Hatching delay (cycles)"
1596   },
1597   {
1598     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1599     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1600     1,                                  40,
1601     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1602     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1603     &level.bd_hatching_delay_seconds,
1604     NULL,                               NULL, "Hatching delay (seconds)"
1605   },
1606
1607   // ---------- element settings: configure (various elements) ----------------
1608
1609   {
1610     ED_COUNTER_ID_BD_PUSHING_PROB,
1611     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1612     0,                                  100,
1613     GADGET_ID_BD_PUSHING_PROB_DOWN,     GADGET_ID_BD_PUSHING_PROB_UP,
1614     GADGET_ID_BD_PUSHING_PROB_TEXT,     GADGET_ID_NONE,
1615     &level.bd_pushing_prob,
1616     NULL,                               NULL, "Push probability"
1617   },
1618   {
1619     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1620     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1621     0,                                  100,
1622     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1623     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1624     &level.bd_pushing_prob_with_sweet,
1625     NULL,                               NULL, "Push probability with sweet"
1626   },
1627   {
1628     ED_COUNTER_ID_ELEMENT_VALUE1,
1629     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1630     MIN_SCORE,                          MAX_SCORE,
1631     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1632     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1633     NULL,                               // will be set when used
1634     NULL,                               NULL, NULL
1635   },
1636   {
1637     ED_COUNTER_ID_ELEMENT_VALUE2,
1638     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1639     MIN_SCORE,                          MAX_SCORE,
1640     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1641     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1642     NULL,                               // will be set when used
1643     NULL,                               NULL, NULL
1644   },
1645   {
1646     ED_COUNTER_ID_ELEMENT_VALUE3,
1647     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1648     MIN_SCORE,                          MAX_SCORE,
1649     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1650     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1651     NULL,                               // will be set when used
1652     NULL,                               NULL, NULL
1653   },
1654   {
1655     ED_COUNTER_ID_ELEMENT_VALUE4,
1656     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1657     MIN_SCORE,                          MAX_SCORE,
1658     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1659     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1660     NULL,                               // will be set when used
1661     NULL,                               NULL, NULL
1662   },
1663   {
1664     ED_COUNTER_ID_YAMYAM_CONTENT,
1665     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1666     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1667     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1668     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1669     &level.num_yamyam_contents,
1670     NULL,                               NULL, "Number of content areas"
1671   },
1672   {
1673     ED_COUNTER_ID_BALL_CONTENT,
1674     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1675     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1676     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1677     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1678     &level.num_ball_contents,
1679     NULL,                               NULL, "Number of content areas"
1680   },
1681   {
1682     ED_COUNTER_ID_ANDROID_CONTENT,
1683     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1684     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1685     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1686     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1687     &level.num_android_clone_elements,
1688     NULL,                               NULL, "Number of clonable elements"
1689   },
1690   {
1691     ED_COUNTER_ID_ENVELOPE_XSIZE,
1692     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1693     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1694     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1695     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1696     NULL,                               // will be set when used
1697     NULL,                               NULL, "Width",
1698   },
1699   {
1700     ED_COUNTER_ID_ENVELOPE_YSIZE,
1701     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1702     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1703     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1704     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1705     NULL,                               // will be set when used
1706     NULL,                               " ", "Height",
1707   },
1708   {
1709     ED_COUNTER_ID_INVENTORY_SIZE,
1710     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1711     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1712     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1713     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1714     &level.initial_inventory_size[0],
1715     NULL,                               NULL, "Number of inventory elements"
1716   },
1717   {
1718     ED_COUNTER_ID_MM_BALL_CONTENT,
1719     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1720     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1721     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1722     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1723     &level.num_mm_ball_contents,
1724     NULL,                               NULL, "Number of content elements"
1725   },
1726
1727   // ---------- element settings: configure 1 (custom elements) ---------------
1728
1729   {
1730     ED_COUNTER_ID_CUSTOM_SCORE,
1731     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1732     MIN_SCORE,                          MAX_SCORE,
1733     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1734     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1735     &custom_element.collect_score_initial,
1736     NULL,                               "CE score", " "
1737   },
1738   {
1739     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1740     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1741     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1742     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1743     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1744     &custom_element.collect_count_initial,
1745     NULL,                               "CE count", NULL
1746   },
1747   {
1748     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1749     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1750     0,                                  9999,
1751     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1752     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1753     &custom_element.ce_value_fixed_initial,
1754     NULL,                               "CE value", NULL
1755   },
1756   {
1757     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1758     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1759     0,                                  9999,
1760     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1761     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1762     &custom_element.ce_value_random_initial,
1763     NULL,                               "+random", NULL
1764   },
1765   {
1766     ED_COUNTER_ID_PUSH_DELAY_FIX,
1767     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1768     0,                                  999,
1769     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1770     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1771     &custom_element.push_delay_fixed,
1772     NULL,                               "Push delay", NULL
1773   },
1774   {
1775     ED_COUNTER_ID_PUSH_DELAY_RND,
1776     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1777     0,                                  999,
1778     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1779     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1780     &custom_element.push_delay_random,
1781     NULL,                               "+random", NULL
1782   },
1783   {
1784     ED_COUNTER_ID_DROP_DELAY_FIX,
1785     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1786     0,                                  999,
1787     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1788     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1789     &custom_element.drop_delay_fixed,
1790     NULL,                               "Drop delay", NULL
1791   },
1792   {
1793     ED_COUNTER_ID_DROP_DELAY_RND,
1794     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1795     0,                                  999,
1796     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1797     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1798     &custom_element.drop_delay_random,
1799     NULL,                               "+random", NULL
1800   },
1801
1802   // ---------- element settings: configure 2 (custom elements) ---------------
1803
1804   {
1805     ED_COUNTER_ID_MOVE_DELAY_FIX,
1806     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1807     0,                                  999,
1808     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1809     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1810     &custom_element.move_delay_fixed,
1811     NULL,                               "Move delay", NULL
1812   },
1813   {
1814     ED_COUNTER_ID_MOVE_DELAY_RND,
1815     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1816     0,                                  999,
1817     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1818     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1819     &custom_element.move_delay_random,
1820     NULL,                               "+random", NULL
1821   },
1822   {
1823     ED_COUNTER_ID_STEP_DELAY_FIX,
1824     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1825     0,                                  999,
1826     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1827     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1828     &custom_element.step_delay_fixed,
1829     NULL,                               "Step delay", NULL
1830   },
1831   {
1832     ED_COUNTER_ID_STEP_DELAY_RND,
1833     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1834     0,                                  999,
1835     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1836     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1837     &custom_element.step_delay_random,
1838     NULL,                               "+random", NULL
1839   },
1840   {
1841     ED_COUNTER_ID_EXPLOSION_DELAY,
1842     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1843     0,                                  999,
1844     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1845     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1846     &custom_element.explosion_delay,
1847     NULL,                               "Explosion delay", NULL
1848   },
1849   {
1850     ED_COUNTER_ID_IGNITION_DELAY,
1851     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1852     0,                                  999,
1853     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1854     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1855     &custom_element.ignition_delay,
1856     NULL,                               "Ignition delay", "(by fire)"
1857   },
1858
1859   // ---------- element settings: configure (group elements) ------------------
1860
1861   {
1862     ED_COUNTER_ID_GROUP_CONTENT,
1863     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1864     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1865     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1866     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1867     &group_element_info.num_elements,
1868     NULL,                               NULL, "Number of elements in group"
1869   },
1870
1871   // ---------- element settings: advanced (custom elements) ------------------
1872
1873   {
1874     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1875     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1876     0,                                  999,
1877     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1878     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1879     &custom_element_change.delay_fixed,
1880     NULL,                               "CE delay", NULL,
1881   },
1882   {
1883     ED_COUNTER_ID_CHANGE_DELAY_RND,
1884     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1885     0,                                  999,
1886     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1887     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1888     &custom_element_change.delay_random,
1889     NULL,                               "+random", NULL
1890   },
1891   {
1892     ED_COUNTER_ID_CHANGE_CONT_RND,
1893     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1894     0,                                  100,
1895     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1896     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1897     &custom_element_change.random_percentage,
1898     NULL,                               "Use random replace:", "%"
1899   },
1900 };
1901
1902 static struct
1903 {
1904   int gadget_type_id;
1905   int x, y;
1906   int gadget_id;
1907   int size;
1908   char *value;
1909   char *text_above, *infotext;
1910 } textinput_info[ED_NUM_TEXTINPUT] =
1911 {
1912   {
1913     ED_TEXTINPUT_ID_LEVEL_NAME,
1914     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1915     GADGET_ID_LEVEL_NAME,
1916     MAX_LEVEL_NAME_LEN,
1917     level.name,
1918     "Title:", "Title for this level"
1919   },
1920   {
1921     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1922     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1923     GADGET_ID_LEVEL_AUTHOR,
1924     MAX_LEVEL_AUTHOR_LEN,
1925     level.author,
1926     "Author:", "Author for this level"
1927   },
1928   {
1929     ED_TEXTINPUT_ID_LEVELSET_NAME,
1930     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1931     GADGET_ID_LEVELSET_NAME,
1932     MAX_LEVEL_NAME_LEN,
1933     levelset_name,
1934     "Title:", "Title for this or new level set"
1935   },
1936   {
1937     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1938     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1939     GADGET_ID_LEVELSET_AUTHOR,
1940     MAX_LEVEL_AUTHOR_LEN,
1941     levelset_author,
1942     "Author:", "Author for this or new level set"
1943   },
1944   {
1945     ED_TEXTINPUT_ID_ELEMENT_NAME,
1946     -1, -1,     // these values are not constant, but can change at runtime
1947     GADGET_ID_ELEMENT_NAME,
1948     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1949     custom_element.description,
1950     NULL, "Element name"
1951   }
1952 };
1953
1954 static struct
1955 {
1956   int gadget_type_id;
1957   int x, y;
1958   int gadget_id;
1959   int xsize, ysize;
1960   char *value;
1961   char *text_above, *text_above_cropped, *infotext;
1962 } textarea_info[ED_NUM_TEXTAREAS] =
1963 {
1964   {
1965     ED_TEXTAREA_ID_ENVELOPE_INFO,
1966     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1967     GADGET_ID_ENVELOPE_INFO,
1968     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1969     NULL,
1970     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
1971   }
1972 };
1973
1974 static struct ValueTextInfo options_time_or_steps[] =
1975 {
1976   { 0,                          "seconds"                       },
1977   { 1,                          "steps"                         },
1978
1979   { -1,                         NULL                            }
1980 };
1981
1982 static struct ValueTextInfo options_time_score_base[] =
1983 {
1984   { 1,                          "per second/step"               },
1985   { 10,                         "per 10 seconds/steps"          },
1986
1987   { -1,                         NULL                            }
1988 };
1989
1990 static struct ValueTextInfo options_game_engine_type[] =
1991 {
1992   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1993   { GAME_ENGINE_TYPE_BD,        "Boulder Dash"                  },
1994   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1995   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1996   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1997
1998   { -1,                         NULL                            }
1999 };
2000
2001 static struct ValueTextInfo options_levelset_save_mode[] =
2002 {
2003   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
2004   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
2005
2006   { -1,                         NULL                            }
2007 };
2008
2009 static struct ValueTextInfo options_wind_direction[] =
2010 {
2011   { MV_START_NONE,              "none"                          },
2012   { MV_START_LEFT,              "left"                          },
2013   { MV_START_RIGHT,             "right"                         },
2014   { MV_START_UP,                "up"                            },
2015   { MV_START_DOWN,              "down"                          },
2016
2017   { -1,                         NULL                            }
2018 };
2019
2020 static struct ValueTextInfo options_player_speed[] =
2021 {
2022   { 0,                          "frozen"                        },
2023   { 1,                          "very slow"                     },
2024   { 2,                          "slow"                          },
2025   { 4,                          "normal"                        },
2026   { 8,                          "fast"                          },
2027   { 16,                         "very fast"                     },
2028   { 32,                         "ultrafast"                     },
2029
2030   { -1,                         NULL                            }
2031 };
2032
2033 static struct ValueTextInfo options_access_type[] =
2034 {
2035   { EP_WALKABLE,                "walkable"                      },
2036   { EP_PASSABLE,                "passable"                      },
2037
2038   { -1,                         NULL                            }
2039 };
2040
2041 static struct ValueTextInfo options_access_layer[] =
2042 {
2043   { EP_ACCESSIBLE_OVER,         "over"                          },
2044   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
2045   { EP_ACCESSIBLE_UNDER,        "under"                         },
2046
2047   { -1,                         NULL                            }
2048 };
2049
2050 static struct ValueTextInfo options_access_protected[] =
2051 {
2052   { 0,                          "unprotected"                   },
2053   { 1,                          "protected"                     },
2054
2055   { -1,                         NULL                            }
2056 };
2057
2058 static struct ValueTextInfo options_access_direction[] =
2059 {
2060   { MV_NO_DIRECTION,            "no direction"                  },
2061   { MV_LEFT,                    "left"                          },
2062   { MV_RIGHT,                   "right"                         },
2063   { MV_UP,                      "up"                            },
2064   { MV_DOWN,                    "down"                          },
2065   { MV_LEFT  | MV_UP,           "left + up"                     },
2066   { MV_LEFT  | MV_DOWN,         "left + down"                   },
2067   { MV_RIGHT | MV_UP,           "right + up"                    },
2068   { MV_RIGHT | MV_DOWN,         "right + down"                  },
2069   { MV_HORIZONTAL,              "horizontal"                    },
2070   { MV_VERTICAL,                "vertical"                      },
2071   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
2072   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
2073   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
2074   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
2075   { MV_ALL_DIRECTIONS,          "all directions"                },
2076
2077   { -1,                         NULL                            }
2078 };
2079
2080 static struct ValueTextInfo options_walk_to_action[] =
2081 {
2082   { EP_DIGGABLE,                "diggable"                      },
2083   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
2084   { EP_DROPPABLE,               "collectible & droppable"       },
2085   { EP_THROWABLE,               "collectible & throwable"       },
2086   { EP_PUSHABLE,                "pushable"                      },
2087
2088   { -1,                         NULL                            }
2089 };
2090
2091 static struct ValueTextInfo options_move_pattern[] =
2092 {
2093   { MV_LEFT,                    "left"                          },
2094   { MV_RIGHT,                   "right"                         },
2095   { MV_UP,                      "up"                            },
2096   { MV_DOWN,                    "down"                          },
2097   { MV_HORIZONTAL,              "horizontal"                    },
2098   { MV_VERTICAL,                "vertical"                      },
2099   { MV_ALL_DIRECTIONS,          "all directions"                },
2100   { MV_WIND_DIRECTION,          "wind direction"                },
2101   { MV_TOWARDS_PLAYER,          "towards player"                },
2102   { MV_AWAY_FROM_PLAYER,        "away from player"              },
2103   { MV_ALONG_LEFT_SIDE,         "along left side"               },
2104   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
2105   { MV_TURNING_LEFT,            "turning left"                  },
2106   { MV_TURNING_RIGHT,           "turning right"                 },
2107   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
2108   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
2109   { MV_TURNING_RANDOM,          "turning random"                },
2110   { MV_MAZE_RUNNER,             "maze runner style"             },
2111   { MV_MAZE_HUNTER,             "maze hunter style"             },
2112   { MV_WHEN_PUSHED,             "when pushed"                   },
2113   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
2114
2115   { -1,                         NULL                            }
2116 };
2117
2118 static struct ValueTextInfo options_move_direction[] =
2119 {
2120   { MV_START_AUTOMATIC,         "automatic"                     },
2121   { MV_START_LEFT,              "left"                          },
2122   { MV_START_RIGHT,             "right"                         },
2123   { MV_START_UP,                "up"                            },
2124   { MV_START_DOWN,              "down"                          },
2125   { MV_START_RANDOM,            "random"                        },
2126   { MV_START_PREVIOUS,          "previous"                      },
2127
2128   { -1,                         NULL                            }
2129 };
2130
2131 static struct ValueTextInfo options_move_stepsize[] =
2132 {
2133   { 0,                          "not moving"                    },
2134   { 1,                          "very slow"                     },
2135   { 2,                          "slow"                          },
2136   { 4,                          "normal"                        },
2137   { 8,                          "fast"                          },
2138   { 16,                         "very fast"                     },
2139   { 32,                         "even faster"                   },
2140
2141   { -1,                         NULL                            }
2142 };
2143
2144 static struct ValueTextInfo options_move_leave_type[] =
2145 {
2146   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
2147   { LEAVE_TYPE_LIMITED,         "change it to"                  },
2148
2149   { -1,                         NULL                            }
2150 };
2151
2152 static struct ValueTextInfo options_smash_targets[] =
2153 {
2154   { EP_CAN_SMASH_PLAYER,        "player"                        },
2155 #if 0
2156   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
2157 #endif
2158   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
2159
2160   { -1,                         NULL                            }
2161 };
2162
2163 static struct ValueTextInfo options_slippery_type[] =
2164 {
2165   { SLIPPERY_ANY_RANDOM,        "random"                        },
2166   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
2167   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
2168   { SLIPPERY_ONLY_LEFT,         "only left"                     },
2169   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
2170
2171   { -1,                         NULL                            }
2172 };
2173
2174 static struct ValueTextInfo options_deadliness[] =
2175 {
2176   { EP_DONT_RUN_INTO,           "running into"                  },
2177   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
2178   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
2179   { EP_DONT_TOUCH,              "touching"                      },
2180
2181   { -1,                         NULL                            }
2182 };
2183
2184 static struct ValueTextInfo options_explosion_type[] =
2185 {
2186   { EXPLODES_3X3,               "3x3"                           },
2187   { EXPLODES_CROSS,             "3+3"                           },
2188   { EXPLODES_1X1,               "1x1"                           },
2189
2190   { -1,                         NULL                            }
2191 };
2192
2193 static struct ValueTextInfo options_time_units[] =
2194 {
2195   { 1,                          "frames"                        },
2196   { FRAMES_PER_SECOND,          "seconds"                       },
2197
2198   { -1,                         NULL                            }
2199 };
2200
2201 static struct ValueTextInfo options_change_direct_action[] =
2202 {
2203   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2204   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2205   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2206   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2207   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2208   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2209   { CE_LEFT_BY_PLAYER,          "left by player"                },
2210   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2211   { CE_SWITCHED,                "switched"                      },
2212   { CE_HITTING_SOMETHING,       "hitting something"             },
2213   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2214 #if 0
2215   { CE_BLOCKED,                 "blocked"                       },
2216 #endif
2217   { CE_IMPACT,                  "impact (on something)"         },
2218   { CE_SMASHED,                 "smashed (from above)"          },
2219 #if 0
2220   { CE_VALUE_CHANGES,           "CE value changes"              },
2221   { CE_SCORE_CHANGES,           "CE score changes"              },
2222 #endif
2223   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2224   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2225   { CE_UNDEFINED,               " "                             },
2226   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2227   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2228   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2229   { CE_UNDEFINED,               " "                             },
2230   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2231   { CE_NEXT_TO_PLAYER,          "next to player"                },
2232
2233   { -1,                         NULL                            }
2234 };
2235
2236 static struct ValueTextInfo options_change_other_action[] =
2237 {
2238   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2239   { CE_PLAYER_PRESSES_X,        "player presses"                },
2240   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2241   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2242   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2243   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2244   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2245   { CE_PLAYER_DIGS_X,           "player digs"                   },
2246   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2247   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2248   { CE_TOUCHING_X,              "touching"                      },
2249   { CE_HITTING_X,               "hitting"                       },
2250   { CE_DIGGING_X,               "digging"                       },
2251   { CE_HIT_BY_X,                "hit by"                        },
2252   { CE_SWITCH_OF_X,             "switch of"                     },
2253   { CE_CHANGE_OF_X,             "change by page of"             },
2254   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2255   { CE_MOVE_OF_X,               "move of"                       },
2256   { CE_CREATION_OF_X,           "creation of"                   },
2257   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2258   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2259   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2260   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2261   { CE_UNDEFINED,               " "                             },
2262   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2263   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2264   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2265   { CE_UNDEFINED,               " "                             },
2266   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2267   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2268   { CE_NEXT_TO_X,               "next to"                       },
2269
2270   { -1,                         NULL                            }
2271 };
2272
2273 static struct ValueTextInfo options_change_trigger_side[] =
2274 {
2275   { CH_SIDE_LEFT,               "left"                          },
2276   { CH_SIDE_RIGHT,              "right"                         },
2277   { CH_SIDE_TOP,                "top"                           },
2278   { CH_SIDE_BOTTOM,             "bottom"                        },
2279   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2280   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2281   { CH_SIDE_ANY,                "any"                           },
2282
2283   { -1,                         NULL                            }
2284 };
2285
2286 static struct ValueTextInfo options_change_trigger_player[] =
2287 {
2288   { CH_PLAYER_1,                "1"                             },
2289   { CH_PLAYER_2,                "2"                             },
2290   { CH_PLAYER_3,                "3"                             },
2291   { CH_PLAYER_4,                "4"                             },
2292   { CH_PLAYER_ANY,              "any"                           },
2293
2294   { -1,                         NULL                            }
2295 };
2296
2297 static struct ValueTextInfo options_change_trigger_page[] =
2298 {
2299   { (1u << 0),                  "1"                             },
2300   { (1u << 1),                  "2"                             },
2301   { (1u << 2),                  "3"                             },
2302   { (1u << 3),                  "4"                             },
2303   { (1u << 4),                  "5"                             },
2304   { (1u << 5),                  "6"                             },
2305   { (1u << 6),                  "7"                             },
2306   { (1u << 7),                  "8"                             },
2307   { (1u << 8),                  "9"                             },
2308   { (1u << 9),                  "10"                            },
2309   { (1u << 10),                 "11"                            },
2310   { (1u << 11),                 "12"                            },
2311   { (1u << 12),                 "13"                            },
2312   { (1u << 13),                 "14"                            },
2313   { (1u << 14),                 "15"                            },
2314   { (1u << 15),                 "16"                            },
2315   { (1u << 16),                 "17"                            },
2316   { (1u << 17),                 "18"                            },
2317   { (1u << 18),                 "19"                            },
2318   { (1u << 19),                 "20"                            },
2319   { (1u << 20),                 "21"                            },
2320   { (1u << 21),                 "22"                            },
2321   { (1u << 22),                 "23"                            },
2322   { (1u << 23),                 "24"                            },
2323   { (1u << 24),                 "25"                            },
2324   { (1u << 25),                 "26"                            },
2325   { (1u << 26),                 "27"                            },
2326   { (1u << 27),                 "28"                            },
2327   { (1u << 28),                 "29"                            },
2328   { (1u << 29),                 "30"                            },
2329   { (1u << 30),                 "31"                            },
2330   { (1u << 31),                 "32"                            },
2331   { CH_PAGE_ANY,                "any"                           },
2332
2333   { -1,                         NULL                            }
2334 };
2335
2336 static struct ValueTextInfo options_change_replace_when[] =
2337 {
2338   { CP_WHEN_EMPTY,              "empty"                         },
2339   { CP_WHEN_WALKABLE,           "walkable"                      },
2340   { CP_WHEN_DIGGABLE,           "diggable"                      },
2341   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2342   { CP_WHEN_REMOVABLE,          "removable"                     },
2343   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2344
2345   { -1,                         NULL                            }
2346 };
2347
2348 static struct ValueTextInfo options_action_type[] =
2349 {
2350   { CA_NO_ACTION,               "no action"                     },
2351   { CA_UNDEFINED,               " "                             },
2352   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2353   { CA_RESTART_LEVEL,           "restart level"                 },
2354   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2355   { CA_SET_LEVEL_TIME,          "set time"                      },
2356   { CA_SET_LEVEL_SCORE,         "set score"                     },
2357   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2358   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2359   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2360   { CA_UNDEFINED,               " "                             },
2361   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2362   { CA_MOVE_PLAYER,             "move player"                   },
2363   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2364   { CA_EXIT_PLAYER,             "exit player"                   },
2365   { CA_KILL_PLAYER,             "kill player"                   },
2366   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2367   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2368   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2369   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2370   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2371   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2372   { CA_UNDEFINED,               " "                             },
2373   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2374   { CA_SET_CE_VALUE,            "set CE value"                  },
2375   { CA_SET_CE_SCORE,            "set CE score"                  },
2376   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2377   { CA_UNDEFINED,               " "                             },
2378   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2379   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2380
2381   { -1,                         NULL                            }
2382 };
2383
2384 static struct ValueTextInfo options_action_mode_none[] =
2385 {
2386   { CA_MODE_UNDEFINED,          " "                             },
2387
2388   { -1,                         NULL                            }
2389 };
2390
2391 static struct ValueTextInfo options_action_mode_assign[] =
2392 {
2393   { CA_MODE_SET,                "="                             },
2394
2395   { -1,                         NULL                            }
2396 };
2397
2398 static struct ValueTextInfo options_action_mode_add_remove[] =
2399 {
2400   { CA_MODE_ADD,                "+"                             },
2401   { CA_MODE_SUBTRACT,           "-"                             },
2402
2403   { -1,                         NULL                            }
2404 };
2405
2406 static struct ValueTextInfo options_action_mode_calculate[] =
2407 {
2408   { CA_MODE_SET,                "="                             },
2409   { CA_MODE_ADD,                "+"                             },
2410   { CA_MODE_SUBTRACT,           "-"                             },
2411   { CA_MODE_MULTIPLY,           "*"                             },
2412   { CA_MODE_DIVIDE,             "/"                             },
2413   { CA_MODE_MODULO,             "%"                             },
2414
2415   { -1,                         NULL                            }
2416 };
2417
2418 static struct ValueTextInfo options_action_arg_none[] =
2419 {
2420   { CA_ARG_UNDEFINED,           "         "                     },
2421
2422   { -1,                         NULL                            }
2423 };
2424
2425 static struct ValueTextInfo options_action_arg_player[] =
2426 {
2427   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2428   { CA_ARG_PLAYER_1,            "1"                             },
2429   { CA_ARG_PLAYER_2,            "2"                             },
2430   { CA_ARG_PLAYER_3,            "3"                             },
2431   { CA_ARG_PLAYER_4,            "4"                             },
2432   { CA_ARG_PLAYER_ANY,          "any"                           },
2433   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2434   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2435
2436   { -1,                         NULL                            }
2437 };
2438
2439 static struct ValueTextInfo options_action_arg_number[] =
2440 {
2441   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2442   { CA_ARG_0,                   "0"                             },
2443   { CA_ARG_1,                   "1"                             },
2444   { CA_ARG_2,                   "2"                             },
2445   { CA_ARG_3,                   "3"                             },
2446   { CA_ARG_4,                   "4"                             },
2447   { CA_ARG_5,                   "5"                             },
2448   { CA_ARG_10,                  "10"                            },
2449   { CA_ARG_100,                 "100"                           },
2450   { CA_ARG_1000,                "1000"                          },
2451   { CA_ARG_UNDEFINED,           " "                             },
2452   { CA_ARG_NUMBER_MIN,          "min"                           },
2453   { CA_ARG_NUMBER_MAX,          "max"                           },
2454   { CA_ARG_UNDEFINED,           " "                             },
2455   { CA_ARG_NUMBER_RESET,        "reset"                         },
2456   { CA_ARG_UNDEFINED,           " "                             },
2457   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2458   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2459   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2460   { CA_ARG_UNDEFINED,           " "                             },
2461   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2462   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2463   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2464   { CA_ARG_UNDEFINED,           " "                             },
2465   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2466   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2467   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2468   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2469   { CA_ARG_UNDEFINED,           " "                             },
2470   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2471   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2472   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2473   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2474
2475   { -1,                         NULL                            }
2476 };
2477
2478 static struct ValueTextInfo options_action_arg_value[] =
2479 {
2480   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2481   { CA_ARG_0,                   "0"                             },
2482   { CA_ARG_1,                   "1"                             },
2483   { CA_ARG_2,                   "2"                             },
2484   { CA_ARG_3,                   "3"                             },
2485   { CA_ARG_4,                   "4"                             },
2486   { CA_ARG_5,                   "5"                             },
2487   { CA_ARG_10,                  "10"                            },
2488   { CA_ARG_100,                 "100"                           },
2489   { CA_ARG_1000,                "1000"                          },
2490   { CA_ARG_UNDEFINED,           " "                             },
2491   { CA_ARG_NUMBER_MIN,          "min"                           },
2492   { CA_ARG_NUMBER_MAX,          "max"                           },
2493   { CA_ARG_UNDEFINED,           " "                             },
2494   { CA_ARG_NUMBER_RESET,        "reset"                         },
2495   { CA_ARG_UNDEFINED,           " "                             },
2496   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2497   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2498   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2499   { CA_ARG_UNDEFINED,           " "                             },
2500   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2501   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2502   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2503   { CA_ARG_UNDEFINED,           " "                             },
2504   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2505   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2506   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2507   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2508   { CA_ARG_UNDEFINED,           " "                             },
2509   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2510   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2511   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2512   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2513   { CA_ARG_UNDEFINED,           " "                             },
2514   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2515   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2516   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2517   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2518
2519   { -1,                         NULL                            }
2520 };
2521
2522 static struct ValueTextInfo options_action_arg_envelope[] =
2523 {
2524   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2525   { CA_ARG_1,                   "1"                             },
2526   { CA_ARG_2,                   "2"                             },
2527   { CA_ARG_3,                   "3"                             },
2528   { CA_ARG_4,                   "4"                             },
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_key[] =
2539 {
2540   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2541   { CA_ARG_1,                   "1"                             },
2542   { CA_ARG_2,                   "2"                             },
2543   { CA_ARG_3,                   "3"                             },
2544   { CA_ARG_4,                   "4"                             },
2545   { CA_ARG_5,                   "5"                             },
2546   { CA_ARG_6,                   "6"                             },
2547   { CA_ARG_7,                   "7"                             },
2548   { CA_ARG_8,                   "8"                             },
2549   { CA_ARG_UNDEFINED,           " "                             },
2550   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2551   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2552   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2553   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2554
2555   { -1,                         NULL                            }
2556 };
2557
2558 static struct ValueTextInfo options_action_arg_speed[] =
2559 {
2560   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2561   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2562   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2563   { CA_ARG_SPEED_SLOW,          "slow"                          },
2564   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2565   { CA_ARG_SPEED_FAST,          "fast"                          },
2566   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2567   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2568   { CA_ARG_UNDEFINED,           " "                             },
2569   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2570   { CA_ARG_SPEED_FASTER,        "faster"                        },
2571   { CA_ARG_UNDEFINED,           " "                             },
2572   { CA_ARG_SPEED_RESET,         "reset"                         },
2573
2574   { -1,                         NULL                            }
2575 };
2576
2577 static struct ValueTextInfo options_action_arg_shield[] =
2578 {
2579   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2580   { CA_ARG_SHIELD_OFF,          "off"                           },
2581   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2582   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2583
2584   { -1,                         NULL                            }
2585 };
2586
2587 static struct ValueTextInfo options_action_arg_artwork[] =
2588 {
2589   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2590   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2591   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2592   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2593   { CA_ARG_UNDEFINED,           " "                             },
2594   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2595
2596   { -1,                         NULL                            }
2597 };
2598
2599 static struct ValueTextInfo options_action_arg_gravity[] =
2600 {
2601   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2602   { CA_ARG_GRAVITY_ON,          "on"                            },
2603   { CA_ARG_GRAVITY_OFF,         "off"                           },
2604   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2605
2606   { -1,                         NULL                            }
2607 };
2608
2609 static struct ValueTextInfo options_action_arg_direction[] =
2610 {
2611   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2612   { CA_ARG_DIRECTION_NONE,      "none"                          },
2613   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2614   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2615   { CA_ARG_DIRECTION_UP,        "up"                            },
2616   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2617   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2618   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2619
2620   { -1,                         NULL                            }
2621 };
2622
2623 static struct ValueTextInfo options_action_arg_scan_mode[] =
2624 {
2625   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2626   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2627   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2628
2629   { -1,                         NULL                            }
2630 };
2631
2632 static struct ValueTextInfo options_action_arg_inventory[] =
2633 {
2634   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2635   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2636   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2637   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2638   { CA_ARG_UNDEFINED,           " "                             },
2639   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2640   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2641   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2642   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2643   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2644   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2645   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2646   { CA_ARG_UNDEFINED,           " "                             },
2647   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2648
2649   { -1,                         NULL                            }
2650 };
2651
2652 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2653 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2654 {
2655   { -1,                         NULL                            }
2656 };
2657
2658 static struct ValueTextInfo options_group_choice_mode[] =
2659 {
2660   { ANIM_RANDOM,                "random"                        },
2661   { ANIM_LOOP,                  "loop"                          },
2662   { ANIM_LINEAR,                "linear"                        },
2663   { ANIM_PINGPONG,              "pingpong"                      },
2664   { ANIM_PINGPONG2,             "pingpong 2"                    },
2665   { ANIM_LEVEL_NR,              "level number"                  },
2666
2667   { -1,                         NULL                            }
2668 };
2669
2670 static struct ValueTextInfo options_bd_scheduling_type[] =
2671 {
2672   { GD_SCHEDULING_MILLISECONDS,   "Milliseconds"                },
2673   { GD_SCHEDULING_BD1,            "BD1"                         },
2674   { GD_SCHEDULING_BD2,            "BD2"                         },
2675   { GD_SCHEDULING_PLCK,           "Construction Kit"            },
2676   { GD_SCHEDULING_CRDR,           "Crazy Dream 7"               },
2677   { GD_SCHEDULING_BD1_ATARI,      "Atari BD1"                   },
2678   { GD_SCHEDULING_BD2_PLCK_ATARI, "Atari BD2 / PLCK"            },
2679
2680   { -1,                           NULL                          }
2681 };
2682
2683 static struct ValueTextInfo *action_arg_modes[] =
2684 {
2685   options_action_mode_none,
2686   options_action_mode_assign,
2687   options_action_mode_add_remove,
2688   options_action_mode_calculate,
2689 };
2690
2691 static struct
2692 {
2693   int value;
2694   int mode;
2695   struct ValueTextInfo *options;
2696 }
2697 action_arg_options[] =
2698 {
2699   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2700   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2701   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2702   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2703   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2704   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2705   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2706   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2707   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2708   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2709   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2710   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2711   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2712   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2713   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2714   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2715   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2716   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2717   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2718   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2719   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2720   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2721
2722   { -1,                         FALSE,  NULL                            }
2723 };
2724
2725 static struct
2726 {
2727   int gadget_type_id;
2728   int x, y;
2729   int gadget_id;
2730   int gadget_id_align;
2731   int size;     // char size of selectbox or '-1' (dynamically determined)
2732   struct ValueTextInfo *options;
2733   int *value;
2734   char *text_above, *text_left, *text_right, *infotext;
2735 } selectbox_info[ED_NUM_SELECTBOX] =
2736 {
2737   // ---------- level and editor settings -------------------------------------
2738
2739   {
2740     ED_SELECTBOX_ID_TIME_OR_STEPS,
2741     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2742     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2743     -1,
2744     options_time_or_steps,
2745     &level.use_step_counter,
2746     NULL, NULL, "(0 => no limit)",      "Select time or step limit"
2747   },
2748   {
2749     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2750     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2751     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2752     -1,
2753     options_time_score_base,
2754     &level.time_score_base,
2755     NULL, NULL, NULL,                   "Select time score for 1 or 10 seconds/steps"
2756   },
2757   {
2758     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2759     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2760     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2761     -1,
2762     options_game_engine_type,
2763     &level.game_engine_type,
2764     NULL, "Game engine:", NULL,         "Select game engine"
2765   },
2766   {
2767     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2768     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2769     GADGET_ID_BD_SCHEDULING_TYPE,       GADGET_ID_NONE,
2770     -1,
2771     options_bd_scheduling_type,
2772     &level.bd_scheduling_type,
2773     NULL, "Scheduling type:", NULL,     "Select level timing"
2774   },
2775   {
2776     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2777     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2778     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2779     -1,
2780     options_levelset_save_mode,
2781     &levelset_save_mode,
2782     "Action:", NULL, NULL,              "Select action when saving level set"
2783   },
2784
2785   // ---------- element settings: configure (several elements) ----------------
2786
2787   {
2788     ED_SELECTBOX_ID_WIND_DIRECTION,
2789     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2790     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2791     -1,
2792     options_wind_direction,
2793     &level.wind_direction_initial,
2794     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
2795   },
2796   {
2797     ED_SELECTBOX_ID_PLAYER_SPEED,
2798     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2799     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2800     -1,
2801     options_player_speed,
2802     &level.initial_player_stepsize[0],
2803     NULL, "Initial player speed:", NULL,        "Select initial player speed"
2804   },
2805   {
2806     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2807     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2808     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2809     -1,
2810     options_group_choice_mode,
2811     &level.mm_ball_choice_mode,
2812     NULL, "Choice type:", NULL,         "Select type of content choice"
2813   },
2814
2815   // ---------- element settings: configure 1 (custom elements) ---------------
2816
2817   {
2818     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2819     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2820     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2821     -1,
2822     options_access_type,
2823     &custom_element.access_type,
2824     NULL, NULL, NULL,                   "Select type of access to this field"
2825   },
2826   {
2827     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2828     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2829     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2830     -1,
2831     options_access_layer,
2832     &custom_element.access_layer,
2833     NULL, NULL, NULL,                   "Select layer of access for this field"
2834   },
2835   {
2836     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2837     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2838     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2839     -1,
2840     options_access_protected,
2841     &custom_element.access_protected,
2842     NULL, NULL, NULL,                   "Select protected access for this field"
2843   },
2844   {
2845     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2846     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2847     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2848     -1,
2849     options_access_direction,
2850     &custom_element.access_direction,
2851     NULL, "from", NULL,                 "Select access direction for this field"
2852   },
2853   {
2854     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2855     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2856     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2857     -1,
2858     options_walk_to_action,
2859     &custom_element.walk_to_action,
2860     NULL, NULL, NULL,                   "Select diggable/collectible/pushable"
2861   },
2862
2863   // ---------- element settings: configure 2 (custom elements) ---------------
2864
2865   {
2866     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2867     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2868     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2869     -1,
2870     options_move_pattern,
2871     &custom_element.move_pattern,
2872     NULL, "Can move", NULL,             "Select element move pattern"
2873   },
2874   {
2875     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2876     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2877     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2878     -1,
2879     options_move_direction,
2880     &custom_element.move_direction_initial,
2881     NULL, "Starts moving", NULL,        "Select initial element move direction"
2882   },
2883   {
2884     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2885     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2886     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2887     -1,
2888     options_move_stepsize,
2889     &custom_element.move_stepsize,
2890     NULL, "Move/fall speed", NULL,      "Select speed of element movement"
2891   },
2892   {
2893     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2894     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2895     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2896     -1,
2897     options_move_leave_type,
2898     &custom_element.move_leave_type,
2899     // left text with leading spaces to place gadget next to "can dig" gadget
2900     // (needed because drawing area gadgets created after selectbox gadgets)
2901     // NULL, "can dig:    can", ":",    "leave behind or change element"
2902     NULL, "            Can", ":",       "Select leave behind or change element"
2903   },
2904   {
2905     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2906     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2907     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2908     -1,
2909     options_smash_targets,
2910     &custom_element.smash_targets,
2911     NULL, "Can smash", NULL,            "Select elements that can be smashed"
2912   },
2913   {
2914     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2915     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2916     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2917     -1,
2918     options_slippery_type,
2919     &custom_element.slippery_type,
2920     NULL, "Slippery", NULL,             "Select where other elements fall down"
2921   },
2922   {
2923     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2924     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2925     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2926     -1,
2927     options_deadliness,
2928     &custom_element.deadliness,
2929     NULL, "Deadly when", NULL,          "Select deadliness of element"
2930   },
2931   {
2932     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
2933     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2934     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2935     -1,
2936     options_explosion_type,
2937     &custom_element.explosion_type,
2938     NULL, "Can explode", NULL,          "Select explosion type"
2939   },
2940
2941   // ---------- element settings: advanced (custom elements) ------------------
2942
2943   {
2944     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
2945     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2946     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2947     -1,
2948     options_time_units,
2949     &custom_element_change.delay_frames,
2950     NULL, "Delay time given in", NULL,  "Select delay time units for change"
2951   },
2952   {
2953     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
2954     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2955     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2956     -1,
2957     options_change_direct_action,
2958     &custom_element_change.direct_action,
2959     NULL, NULL, NULL,                   "Select type of direct action"
2960   },
2961   {
2962     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
2963     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2964     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2965     -1,
2966     options_change_other_action,
2967     &custom_element_change.other_action,
2968     NULL, NULL, "element:",             "Select type of other element action"
2969   },
2970   {
2971     ED_SELECTBOX_ID_CHANGE_SIDE,
2972     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2973     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2974     -1,
2975     options_change_trigger_side,
2976     &custom_element_change.trigger_side,
2977     NULL, "at", "side",                 "Select element side triggering change"
2978   },
2979   {
2980     ED_SELECTBOX_ID_CHANGE_PLAYER,
2981     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2982     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2983     -1,
2984     options_change_trigger_player,
2985     &custom_element_change.trigger_player,
2986     NULL, "Player:", " ",               "Select player that causes change"
2987   },
2988   {
2989     ED_SELECTBOX_ID_CHANGE_PAGE,
2990     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2991     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2992     -1,
2993     options_change_trigger_page,
2994     &custom_element_change.trigger_page,
2995     NULL, "Page:", NULL,                "Select change page that causes change"
2996   },
2997   {
2998     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
2999     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
3000     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
3001     -1,
3002     options_change_replace_when,
3003     &custom_element_change.replace_when,
3004     NULL, "Replace when", NULL,         "Select which elements can be replaced"
3005   },
3006   {
3007     ED_SELECTBOX_ID_ACTION_TYPE,
3008     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
3009     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
3010     15,
3011     options_action_type,
3012     &custom_element_change.action_type,
3013     NULL, NULL, NULL,                   "Select action on specified condition"
3014   },
3015   {
3016     ED_SELECTBOX_ID_ACTION_MODE,
3017     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3018     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
3019     -1,
3020     options_action_mode_none,
3021     &custom_element_change.action_mode,
3022     NULL, NULL, NULL,                   "Select action operator"
3023   },
3024   {
3025     ED_SELECTBOX_ID_ACTION_ARG,
3026     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3027     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
3028     -1,
3029     options_action_arg_none,
3030     &custom_element_change.action_arg,
3031     NULL, NULL, NULL,                   "Select action parameter"
3032   },
3033   {
3034     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3035     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
3036     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
3037     3,
3038     options_change_page,
3039     &custom_element.current_change_page,
3040     NULL, NULL, NULL,                   "Select element change page"
3041   },
3042
3043   // ---------- element settings: configure (group elements) ------------------
3044
3045   {
3046     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3047     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3048     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
3049     -1,
3050     options_group_choice_mode,
3051     &group_element_info.choice_mode,
3052     NULL, "Choice type:", NULL,         "Select type of group element choice"
3053   },
3054 };
3055
3056 static struct
3057 {
3058   int gadget_type_id;
3059   int x, y;
3060   int gadget_id;
3061   int gadget_id_align;
3062   int size;
3063   char *text;
3064   char *text_above, *text_left, *text_right, *infotext;
3065 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3066 {
3067   // ---------- level and editor settings (tabs) ------------------------------
3068
3069   {
3070     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3071     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
3072     GADGET_ID_LEVELCONFIG_LEVEL,        GADGET_ID_NONE,
3073     8,                                  "Level",
3074     NULL, NULL, NULL,                   "Configure level settings"
3075   },
3076   {
3077     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3078     -1,                                 -1,
3079     GADGET_ID_LEVELCONFIG_LEVELSET,     GADGET_ID_LEVELCONFIG_LEVEL,
3080     8,                                  "Levelset",
3081     NULL, NULL, NULL,                   "Update this or create new level set"
3082   },
3083   {
3084     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3085     -1,                                 -1,
3086     GADGET_ID_LEVELCONFIG_EDITOR,       GADGET_ID_LEVELCONFIG_LEVELSET,
3087     8,                                  "Editor",
3088     NULL, NULL, NULL,                   "Configure editor settings"
3089   },
3090   {
3091     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3092     -1,                                 -1,
3093     GADGET_ID_LEVELCONFIG_ENGINE,       GADGET_ID_LEVELCONFIG_EDITOR,
3094     8,                                  "Engine",
3095     NULL, NULL, NULL,                   "Configure engine settings"
3096   },
3097
3098   // ---------- element settings (tabs) ---------------------------------------
3099
3100   {
3101     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3102     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
3103     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
3104     8,                                  "Info",
3105     NULL, NULL, NULL,                   "Show information about element"
3106   },
3107   {
3108     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3109     -1,                                 -1,
3110     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
3111     8,                                  "Config",
3112     NULL, NULL, NULL,                   "Configure element properties"
3113   },
3114   {
3115     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3116     -1,                                 -1,
3117     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
3118     8,                                  "Config 1",
3119     NULL, NULL, NULL,                   "Configure element properties, part 1"
3120   },
3121   {
3122     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3123     -1,                                 -1,
3124     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
3125     8,                                  "Config 2",
3126     NULL, NULL, NULL,                   "Configure element properties, part 2"
3127   },
3128   {
3129     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3130     -1,                                 -1,
3131     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
3132     8,                                  "Change",
3133     NULL, NULL, NULL,                   "Configure custom element change pages"
3134   },
3135
3136   // ---------- level and editor settings (buttons) ---------------------------
3137
3138   {
3139     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3140     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
3141     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
3142     -1,                                 "Save",
3143     NULL, NULL, NULL,                   "Update or create level set"
3144   },
3145   {
3146     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3147     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3148     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
3149     -1,                                 "Save",
3150     NULL, NULL,                         "this level as level template",
3151     "Save current settings as new template"
3152   },
3153
3154   // ---------- element settings (buttons) ------------------------------------
3155
3156   {
3157     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3158     -1,                                 -1,
3159     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3160     -1,                                 "Save",
3161     NULL, " ",                          "As Template",
3162     "Save current settings as new template"
3163   },
3164   {
3165     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3166     -1,                                 -1,
3167     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
3168     -1,                                 "New",
3169     NULL, NULL, NULL,                   "Add new change page"
3170   },
3171   {
3172     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3173     -1,                                 -1,
3174     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
3175     -1,                                 "Delete",
3176     NULL, NULL, NULL,                   "Delete current change page"
3177   },
3178 };
3179
3180 static struct
3181 {
3182   int gadget_type_id;
3183   int graphic;
3184   int x, y;
3185   int gadget_id;
3186   int gadget_id_align;
3187   char *text_left, *text_right, *infotext;
3188 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3189 {
3190   {
3191     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3192     IMG_EDITOR_COUNTER_DOWN,
3193     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3194     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
3195     NULL, NULL,                         "Select previous change page"
3196   },
3197   {
3198     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3199     IMG_EDITOR_COUNTER_UP,
3200     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3201     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
3202     NULL, "Change page",                "Select next change page"
3203   },
3204   {
3205     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3206     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3207     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3208     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
3209     " ", NULL,                          "Copy settings from this change page"
3210   },
3211   {
3212     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3213     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3214     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3215     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
3216     NULL, NULL,                         "Paste settings to this change page"
3217   },
3218 };
3219
3220 static struct
3221 {
3222   int x, y;
3223 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3224
3225 static struct
3226 {
3227   int gadget_type_id;
3228   int graphic;
3229   int gadget_id;
3230   char *infotext;
3231 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3232 {
3233   {
3234     ED_SCROLLBUTTON_ID_AREA_UP,
3235     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3236     GADGET_ID_SCROLL_UP,
3237     "Scroll level editing area up"
3238   },
3239   {
3240     ED_SCROLLBUTTON_ID_AREA_DOWN,
3241     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3242     GADGET_ID_SCROLL_DOWN,
3243     "Scroll level editing area down"
3244   },
3245   {
3246     ED_SCROLLBUTTON_ID_AREA_LEFT,
3247     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3248     GADGET_ID_SCROLL_LEFT,
3249     "Scroll level editing area left"
3250   },
3251   {
3252     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3253     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3254     GADGET_ID_SCROLL_RIGHT,
3255     "Scroll level editing area right"
3256   },
3257   {
3258     ED_SCROLLBUTTON_ID_LIST_UP,
3259     IMG_EDITOR_PALETTE_SCROLL_UP,
3260     GADGET_ID_SCROLL_LIST_UP,
3261     "Scroll element list up ('Page Up')"
3262   },
3263   {
3264     ED_SCROLLBUTTON_ID_LIST_DOWN,
3265     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3266     GADGET_ID_SCROLL_LIST_DOWN,
3267     "Scroll element list down ('Page Down')"
3268   },
3269 };
3270
3271 static struct
3272 {
3273   int x, y;
3274   int width, height;
3275   int wheel_x, wheel_y;
3276   int wheel_width, wheel_height;
3277 } scrollbar_pos[ED_NUM_SCROLLBARS];
3278
3279 static struct
3280 {
3281   int gadget_type_id;
3282   int graphic;
3283   int type;
3284   int gadget_id;
3285   char *infotext;
3286 } scrollbar_info[ED_NUM_SCROLLBARS] =
3287 {
3288   {
3289     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3290     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3291     GD_TYPE_SCROLLBAR_HORIZONTAL,
3292     GADGET_ID_SCROLL_HORIZONTAL,
3293     "Scroll level editing area horizontally"
3294   },
3295   {
3296     ED_SCROLLBAR_ID_AREA_VERTICAL,
3297     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3298     GD_TYPE_SCROLLBAR_VERTICAL,
3299     GADGET_ID_SCROLL_VERTICAL,
3300     "Scroll level editing area vertically"
3301   },
3302   {
3303     ED_SCROLLBAR_ID_LIST_VERTICAL,
3304     IMG_EDITOR_PALETTE_SCROLLBAR,
3305     GD_TYPE_SCROLLBAR_VERTICAL,
3306     GADGET_ID_SCROLL_LIST_VERTICAL,
3307     "Scroll element list vertically"
3308   }
3309 };
3310
3311
3312 static struct
3313 {
3314   int gadget_type_id;
3315   int x, y;
3316   int gadget_id;
3317   int gadget_id_align;
3318   int radio_button_nr;
3319   int *value;
3320   int checked_value;
3321   char *text_left, *text_right, *infotext;
3322 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3323 {
3324   {
3325     ED_RADIOBUTTON_ID_PERCENTAGE,
3326     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3327     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3328     RADIO_NR_RANDOM_ELEMENTS,
3329     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3330     " ", "percentage",                  "Use percentage for random elements"
3331   },
3332   {
3333     ED_RADIOBUTTON_ID_QUANTITY,
3334     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3335     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3336     RADIO_NR_RANDOM_ELEMENTS,
3337     &random_placement_method,           RANDOM_USE_QUANTITY,
3338     " ", "quantity",                    "Use quantity for random elements"
3339   }
3340 };
3341
3342 static struct
3343 {
3344   int gadget_type_id;
3345   int x, y;
3346   int gadget_id;
3347   int gadget_id_align;
3348   boolean *value;
3349   char *text_above, *text_left, *text_right, *infotext;
3350 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3351 {
3352   // ---------- level and editor settings -------------------------------------
3353
3354   {
3355     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3356     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3357     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3358     &level.auto_count_gems,
3359     NULL, NULL,
3360     "Automatically count gems needed",  "Set counter to number of gems"
3361   },
3362   {
3363     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3364     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3365     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3366     &level.rate_time_over_score,
3367     NULL, NULL,
3368     "Rate time/steps used over score",  "Sort high scores by playing time/steps"
3369   },
3370   {
3371     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3372     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3373     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3374     &levelset_use_levelset_artwork,
3375     NULL, NULL,
3376     "Use current custom artwork",       "Use custom artwork of this level set"
3377   },
3378   {
3379     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3380     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3381     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3382     &levelset_copy_level_template,
3383     NULL, NULL,
3384     "Copy current level template",      "Copy level template of this level set"
3385   },
3386   {
3387     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3388     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3389     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3390     &random_placement_background_restricted,
3391     NULL, NULL,
3392     "Restrict random placement to:",    "Set random placement restriction"
3393   },
3394   {
3395     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3396     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3397     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3398     &setup.editor.use_template_for_new_levels,
3399     "Template for new levels and CE/GE:", NULL,
3400     "Use template for new levels",      "Use template for level properties"
3401   },
3402   {
3403     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3404     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3405     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3406     &level.use_custom_template,
3407     NULL, NULL,
3408     "Use template for custom elements", "Use template for custom properties"
3409   },
3410   {
3411     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3412     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
3413     GADGET_ID_BD_INTERMISSION,          GADGET_ID_NONE,
3414     &level.bd_intermission,
3415     "Boulder Dash game engine settings:", NULL,
3416     "Intermission",                     "Level is an intermission level"
3417   },
3418   {
3419     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3420     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
3421     GADGET_ID_BD_PAL_TIMING,            GADGET_ID_NONE,
3422     &level.bd_pal_timing,
3423     NULL, NULL,
3424     "PAL timing",                       "Use slower timer (like PAL C64)"
3425   },
3426   {
3427     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3428     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3429     GADGET_ID_BD_LINE_SHIFTING_BORDERS, GADGET_ID_NONE,
3430     &level.bd_line_shifting_borders,
3431     "Compatibility settings:", NULL,
3432     "Line-shifting borders",            "Use line-shifting wrap-around"
3433   },
3434   {
3435     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3436     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3437     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW, GADGET_ID_NONE,
3438     &level.bd_scan_first_and_last_row,
3439     NULL, NULL,
3440     "Scan first and last row",          "Also process top/bottom border rows"
3441   },
3442   {
3443     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3444     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3445     GADGET_ID_BD_SHORT_EXPLOSIONS,      GADGET_ID_NONE,
3446     &level.bd_short_explosions,
3447     NULL, NULL,
3448     "Short explosions",                 "Use four game cycles for explosions"
3449   },
3450   {
3451     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
3452     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
3453     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,   GADGET_ID_NONE,
3454     &level.bd_gravity_affects_all,
3455     NULL, NULL,
3456     "Gravity change affects everything", "Gravity affects all falling objects"
3457   },
3458
3459   // ---------- element settings: configure (various elements) ----------------
3460
3461   {
3462     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3463     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3464     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3465     &stick_element_properties_window,
3466     NULL, NULL,
3467     "Stick this screen to edit content","Stick this screen to edit content"
3468   },
3469   {
3470     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3471     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3472     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3473     &level.em_slippery_gems,
3474     NULL, NULL,
3475     "Slip down from certain flat walls","Use EM/DC style slipping behaviour"
3476   },
3477   {
3478     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3479     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3480     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3481     &level.em_explodes_by_fire,
3482     NULL, NULL,
3483     "Explodes with chain reaction",     "Use R'n'D style explosion behaviour"
3484   },
3485   {
3486     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3487     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3488     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3489     &level.use_spring_bug,
3490     NULL, NULL,
3491     "Use spring pushing bug",           "Use odd spring pushing behaviour"
3492   },
3493   {
3494     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3495     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3496     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3497     &level.use_time_orb_bug,
3498     NULL, NULL,
3499     "Use time orb bug",                 "Use odd time orb behaviour"
3500   },
3501   {
3502     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3503     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3504     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3505     &level.use_life_bugs,
3506     NULL, NULL,
3507     "Use buggy element behaviour",      "Use odd (historic) element behaviour"
3508   },
3509   {
3510     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3511     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3512     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3513     &level.ball_random,
3514     NULL, NULL,
3515     "Create single random element",     "Only create one element from content"
3516   },
3517   {
3518     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3519     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3520     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3521     &level.ball_active_initial,
3522     NULL, NULL,
3523     "Magic ball initially activated",   "Activate magic ball after level start"
3524   },
3525   {
3526     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3527     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3528     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3529     &level.grow_into_diggable,
3530     NULL, NULL,
3531     "Can grow into anything diggable",  "Grow into more than just sand"
3532   },
3533   {
3534     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3535     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3536     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3537     &level.sb_fields_needed,
3538     NULL, NULL,
3539     "All fields need to be filled",     "Require all SB fields to be solved"
3540   },
3541   {
3542     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3543     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3544     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3545     &level.sb_objects_needed,
3546     NULL, NULL,
3547     "All objects need to be placed",    "Require all SB objects to be solved"
3548   },
3549   {
3550     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3551     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3552     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3553     &level.auto_exit_sokoban,
3554     NULL, NULL,
3555     "Exit level if all tasks solved",   "Automatically finish Sokoban levels"
3556   },
3557   {
3558     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3559     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3560     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3561     &level.solved_by_one_player,
3562     NULL, NULL,
3563     "Only one player must enter exit",  "Level solved by first player in exit"
3564   },
3565   {
3566     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3567     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3568     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3569     &level.finish_dig_collect,
3570     NULL, NULL,
3571     "CE action on finished dig/collect", "Only finished dig/collect triggers CE"
3572   },
3573   {
3574     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3575     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3576     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3577     &level.keep_walkable_ce,
3578     NULL, NULL,
3579     "Keep walkable CE changed to player", "Keep CE changing to player if walkable"
3580   },
3581   {
3582     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3583     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3584     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3585     &level.continuous_snapping,
3586     NULL, NULL,
3587     "Continuous snapping",              "Use snapping without releasing key"
3588   },
3589   {
3590     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3591     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3592     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3593     &level.block_snap_field,
3594     NULL, NULL,
3595     "Block snapped field when snapping", "Use snapping delay to show animation"
3596   },
3597   {
3598     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3599     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3600     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3601     &level.block_last_field,
3602     NULL, NULL,
3603     "Block last field when moving",     "Player blocks last field when moving"
3604   },
3605   {
3606     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3607     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3608     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3609     &level.sp_block_last_field,
3610     NULL, NULL,
3611     "Block last field when moving",     "Player blocks last field when moving"
3612   },
3613   {
3614     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3615     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3616     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3617     &level.instant_relocation,
3618     NULL, NULL,
3619     "No scrolling when relocating",     "Player gets relocated without delay"
3620   },
3621   {
3622     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3623     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3624     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3625     &level.shifted_relocation,
3626     NULL, NULL,
3627     "No centering when relocating",     "Level not centered after relocation"
3628   },
3629   {
3630     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3631     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3632     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3633     &level.lazy_relocation,
3634     NULL, NULL,
3635     "Only redraw off-screen relocation","No redraw if relocation target visible"
3636   },
3637   {
3638     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3639     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3640     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3641     &level.use_start_element[0],
3642     NULL, NULL,
3643     "Use level start element:",        "Start level at this element's position"
3644   },
3645   {
3646     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3647     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3648     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3649     &level.use_artwork_element[0],
3650     NULL, NULL,
3651     "Use artwork from element:",        "Use player artwork from other element"
3652   },
3653   {
3654     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3655     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3656     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3657     &level.use_explosion_element[0],
3658     NULL, NULL,
3659     "Use explosion from element:",      "Use explosion properties from element"
3660   },
3661   {
3662     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3663     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3664     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3665     &level.initial_player_gravity[0],
3666     NULL, NULL,
3667     "Use initial gravity",              "Set initial player gravity"
3668   },
3669   {
3670     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3671     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3672     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3673     &level.use_initial_inventory[0],
3674     NULL, NULL,
3675     "Use initial inventory:",           "Use collected elements on level start"
3676   },
3677   {
3678     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3679     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3680     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3681     &level.can_pass_to_walkable,
3682     NULL, NULL,
3683     "Can pass to walkable element",     "Player can pass to empty or walkable"
3684   },
3685   {
3686     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3687     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3688     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3689     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3690     NULL, NULL,
3691     "Can fall into acid (with gravity)","Player can fall into acid pool"
3692   },
3693   {
3694     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3695     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3696     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3697     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3698     NULL, NULL,
3699     "Can move into acid",               "Element can move into acid pool"
3700   },
3701   {
3702     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3703     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3704     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3705     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3706     NULL, NULL,
3707     "Deadly when colliding with",       "Element is deadly when hitting player"
3708   },
3709   {
3710     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3711     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3712     GADGET_ID_BD_DIAGONAL_MOVEMENTS,    GADGET_ID_NONE,
3713     &level.bd_diagonal_movements,
3714     NULL, NULL,
3715     "Can move diagonally",              "Player can move diagonally"
3716   },
3717   {
3718     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
3719     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3720     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE, GADGET_ID_NONE,
3721     &level.bd_topmost_player_active,
3722     NULL, NULL,
3723     "Topmost player is active",         "Use first player found on playfield"
3724   },
3725   {
3726     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
3727     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3728     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET, GADGET_ID_NONE,
3729     &level.bd_push_mega_rock_with_sweet,
3730     NULL, NULL,
3731     "Mega rocks pushable with sweet",   "Push mega rocks after eating sweet"
3732   },
3733   {
3734     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
3735     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3736     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING, GADGET_ID_NONE,
3737     &level.bd_magic_wall_wait_hatching,
3738     NULL, NULL,
3739     "Wait for player's birth",          "Timer start waits for player's birth"
3740   },
3741   {
3742     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
3743     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3744     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA, GADGET_ID_NONE,
3745     &level.bd_magic_wall_stops_amoeba,
3746     NULL, NULL,
3747     "Turn amoeba to diamonds",          "Activation changes amoeba to diamonds"
3748   },
3749   {
3750     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
3751     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3752     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING, GADGET_ID_NONE,
3753     &level.bd_amoeba_wait_for_hatching,
3754     NULL, NULL,
3755     "Wait for player's birth",          "Timer start waits for player's birth"
3756   },
3757   {
3758     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
3759     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3760     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY, GADGET_ID_NONE,
3761     &level.bd_amoeba_start_immediately,
3762     NULL, NULL,
3763     "Start growing immediately",        "Start slow growth time immediately"
3764   },
3765   {
3766     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
3767     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3768     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA, GADGET_ID_NONE,
3769     &level.bd_amoeba_2_explode_by_amoeba,
3770     NULL, NULL,
3771     "Explodes if touched by amoeba",    "Amoeba 2 explodes if touched by amoeba"
3772   },
3773   {
3774     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
3775     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3776     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS, GADGET_ID_NONE,
3777     &level.bd_voodoo_collects_diamonds,
3778     NULL, NULL,
3779     "Can collect diamonds",             "Can collect diamonds for the player"
3780   },
3781   {
3782     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
3783     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3784     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER, GADGET_ID_NONE,
3785     &level.bd_voodoo_hurt_kills_player,
3786     NULL, NULL,
3787     "Player is killed if hurt",         "If hurt in any way, player is killed"
3788   },
3789   {
3790     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
3791     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3792     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,   GADGET_ID_NONE,
3793     &level.bd_voodoo_dies_by_rock,
3794     NULL, NULL,
3795     "Killed by falling rock",           "Can be killed by a falling rock"
3796   },
3797   {
3798     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
3799     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3800     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION, GADGET_ID_NONE,
3801     &level.bd_voodoo_vanish_by_explosion,
3802     NULL, NULL,
3803     "Disappears in explosions",         "Can be destroyed by explosions"
3804   },
3805   {
3806     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
3807     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3808     GADGET_ID_BD_SLIME_IS_PREDICTABLE, GADGET_ID_NONE,
3809     &level.bd_slime_is_predictable,
3810     NULL, NULL,
3811     "Slime is predictable",             "Use predictable random numbers"
3812   },
3813   {
3814     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3815     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3816     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3817     &level.envelope[0].autowrap,
3818     NULL, NULL,
3819     "Auto-wrap",                        "Automatically wrap envelope text"
3820   },
3821   {
3822     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3823     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3824     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3825     &level.envelope[0].centered,
3826     NULL, " ",
3827     "Centered",                         "Automatically center envelope text"
3828   },
3829   {
3830     ED_CHECKBUTTON_ID_MM_LASER_RED,
3831     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3832     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3833     &level.mm_laser_red,
3834     "Choose color components for laser:", NULL,
3835     "Red",                              "Use red color components in laser"
3836   },
3837   {
3838     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3839     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3840     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3841     &level.mm_laser_green,
3842     NULL, NULL,
3843     "Green",                            "Use green color components in laser"
3844   },
3845   {
3846     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3847     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3848     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3849     &level.mm_laser_blue,
3850     NULL, NULL,
3851     "Blue",                             "Use blue color components in laser"
3852   },
3853   {
3854     ED_CHECKBUTTON_ID_DF_LASER_RED,
3855     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3856     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3857     &level.df_laser_red,
3858     "Choose color components for laser:", NULL,
3859     "Red",                              "Use red color components in laser"
3860   },
3861   {
3862     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
3863     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3864     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3865     &level.df_laser_green,
3866     NULL, NULL,
3867     "Green",                            "Use green color components in laser"
3868   },
3869   {
3870     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
3871     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3872     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3873     &level.df_laser_blue,
3874     NULL, NULL,
3875     "Blue",                             "Use blue color components in laser"
3876   },
3877   {
3878     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
3879     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3880     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3881     &level.rotate_mm_ball_content,
3882     NULL, NULL,
3883     "Randomly rotate created content",  "Randomly rotate newly created content"
3884   },
3885   {
3886     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
3887     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3888     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3889     &level.explode_mm_ball,
3890     NULL, NULL,
3891     "Explode ball instead of melting",  "Use explosion to release ball content"
3892   },
3893
3894   // ---------- element settings: configure 1 (custom elements) ---------------
3895
3896   {
3897     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
3898     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3899     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3900     &custom_element.use_gfx_element,
3901     NULL, NULL,
3902     "Use graphic of element:",          "Use existing element graphic"
3903   },
3904   {
3905     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
3906     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3907     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3908     &level.use_custom_template,
3909     NULL, NULL,
3910     "Use template",                     "Use template for custom properties"
3911   },
3912   {
3913     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
3914     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3915     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3916     &custom_element_properties[EP_ACCESSIBLE],
3917     NULL, NULL,
3918     NULL,                               "Player can walk to or pass this field"
3919   },
3920   {
3921     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
3922     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3923     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3924     &custom_element_properties[EP_GRAVITY_REACHABLE],
3925     NULL, NULL,
3926     "Reachable despite gravity",        "Player can walk/dig despite gravity"
3927   },
3928   {
3929     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
3930     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3931     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3932     &custom_element.use_last_ce_value,
3933     NULL, NULL,
3934     "Use last CE value after change",   "Use last CE value after change"
3935   },
3936   {
3937     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
3938     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3939     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3940     &custom_element_properties[EP_WALK_TO_OBJECT],
3941     NULL, NULL,
3942     NULL,                               "Player can dig/collect/push element"
3943   },
3944   {
3945     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
3946     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3947     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3948     &custom_element_properties[EP_INDESTRUCTIBLE],
3949     NULL, NULL,
3950     "Indestructible",                   "Element is indestructible"
3951   },
3952
3953   // ---------- element settings: configure 2 (custom elements) ---------------
3954
3955   {
3956     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
3957     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3958     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3959     &custom_element_properties[EP_CAN_MOVE],
3960     NULL, NULL,
3961     NULL,                               "Element can move with some pattern"
3962   },
3963   {
3964     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
3965     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3966     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3967     &custom_element_properties[EP_CAN_FALL],
3968     NULL, NULL,
3969     "Can fall",                         "Element can fall down"
3970   },
3971   {
3972     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
3973     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3974     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3975     &custom_element_properties[EP_CAN_SMASH],
3976     NULL, " ",
3977     NULL,                               "Element can smash other elements"
3978   },
3979   {
3980     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
3981     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3982     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3983     &custom_element_properties[EP_SLIPPERY],
3984     NULL, NULL,
3985     NULL,                               "Other elements can fall down from it"
3986   },
3987   {
3988     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
3989     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3990     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3991     &custom_element_properties[EP_DEADLY],
3992     NULL, NULL,
3993     NULL,                               "Element can kill the player"
3994   },
3995   {
3996     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
3997     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3998     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3999     &custom_element_properties[EP_CAN_EXPLODE],
4000     NULL, NULL,
4001     NULL,                               "Element can explode"
4002   },
4003   {
4004     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4005     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
4006     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
4007     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4008     NULL, NULL,
4009     "By fire",                          "Element can explode by fire/explosion"
4010   },
4011   {
4012     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4013     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4014     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
4015     &custom_element_properties[EP_EXPLODES_SMASHED],
4016     NULL, " ",
4017     "Smashed",                          "Element can explode when smashed"
4018   },
4019   {
4020     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4021     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4022     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
4023     &custom_element_properties[EP_EXPLODES_IMPACT],
4024     NULL, " ",
4025     "Impact",                           "Element can explode on impact"
4026   },
4027
4028   // ---------- element settings: advanced (custom elements) ------------------
4029
4030   {
4031     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4032     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
4033     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
4034     &custom_element_change.can_change,
4035     NULL, NULL,
4036     "Element changes to:",              "Change element on specified condition"
4037   },
4038   {
4039     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4040     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
4041     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
4042     &custom_element_change_events[CE_DELAY],
4043     NULL, NULL,
4044     NULL,                               "Element changes after delay"
4045   },
4046   {
4047     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4048     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
4049     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
4050     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4051     NULL, NULL,
4052     NULL,                               "Element changes by direct action"
4053   },
4054   {
4055     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4056     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
4057     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
4058     &custom_element_change_events[CE_BY_OTHER_ACTION],
4059     NULL, NULL,
4060     NULL,                               "Element changes by other element"
4061   },
4062   {
4063     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4064     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
4065     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
4066     &custom_element_change.explode,
4067     NULL, NULL,
4068     "Explode instead of change",        "Element explodes instead of change"
4069   },
4070   {
4071     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4072     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
4073     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
4074     &custom_element_change.use_target_content,
4075     NULL, NULL,
4076     "Use extended change target:",      "Element changes to more elements"
4077   },
4078   {
4079     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4080     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
4081     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
4082     &custom_element_change.only_if_complete,
4083     NULL, NULL,
4084     "Replace all or nothing",           "Only replace when all can be changed"
4085   },
4086   {
4087     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4088     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
4089     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
4090     &custom_element_change.use_random_replace,
4091     NULL, NULL,
4092     NULL,                               "Use percentage for random replace"
4093   },
4094   {
4095     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4096     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
4097     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
4098     &custom_element_change.has_action,
4099     NULL, NULL,
4100     NULL,                               "Execute action on specified condition"
4101   },
4102 };
4103
4104 static struct
4105 {
4106   int gadget_type_id;
4107   int x, y;
4108   int xoffset, yoffset;
4109   int gadget_id;
4110   int gadget_id_align;
4111   int *value;
4112   int area_xsize, area_ysize;
4113   char *text_left, *text_right, *text_above, *text_below, *infotext;
4114 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4115 {
4116   // ---------- level playfield content ---------------------------------------
4117
4118   {
4119     ED_DRAWING_ID_DRAWING_LEVEL,
4120     0,                                  0,
4121     0,                                  0,
4122     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
4123     NULL,
4124     -1, -1,     // these values are not constant, but can change at runtime
4125     NULL, NULL, NULL, NULL,             NULL
4126   },
4127
4128   // ---------- yam yam content -----------------------------------------------
4129
4130   {
4131     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4132     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4133     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
4134     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
4135     &level.yamyam_content[0].e[0][0],   3, 3,
4136     NULL, NULL, NULL, "1",              NULL
4137   },
4138   {
4139     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4140     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4141     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
4142     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
4143     &level.yamyam_content[1].e[0][0],   3, 3,
4144     NULL, NULL, NULL, "2",              NULL
4145   },
4146   {
4147     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4148     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4149     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
4150     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
4151     &level.yamyam_content[2].e[0][0],   3, 3,
4152     NULL, NULL, NULL, "3",              NULL
4153   },
4154   {
4155     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4156     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4157     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
4158     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
4159     &level.yamyam_content[3].e[0][0],   3, 3,
4160     NULL, NULL, NULL, "4",              NULL
4161   },
4162   {
4163     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4164     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4165     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
4166     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
4167     &level.yamyam_content[4].e[0][0],   3, 3,
4168     NULL, NULL, NULL, "5",              NULL
4169   },
4170   {
4171     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4172     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4173     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
4174     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
4175     &level.yamyam_content[5].e[0][0],   3, 3,
4176     NULL, NULL, NULL, "6",              NULL
4177   },
4178   {
4179     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4180     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4181     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
4182     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
4183     &level.yamyam_content[6].e[0][0],   3, 3,
4184     NULL, NULL, NULL, "7",              NULL
4185   },
4186   {
4187     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4188     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4189     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
4190     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
4191     &level.yamyam_content[7].e[0][0],   3, 3,
4192     NULL, NULL, NULL, "8",              NULL
4193   },
4194
4195   // ---------- magic ball content --------------------------------------------
4196
4197   {
4198     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4199     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4200     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4201     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
4202     &level.ball_content[0].e[0][0],     3, 3,
4203     NULL, NULL, NULL, "1",              NULL
4204   },
4205   {
4206     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4207     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4208     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4209     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
4210     &level.ball_content[1].e[0][0],     3, 3,
4211     NULL, NULL, NULL, "2",              NULL
4212   },
4213   {
4214     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4215     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4216     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4217     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
4218     &level.ball_content[2].e[0][0],     3, 3,
4219     NULL, NULL, NULL, "3",              NULL
4220   },
4221   {
4222     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4223     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4224     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4225     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
4226     &level.ball_content[3].e[0][0],     3, 3,
4227     NULL, NULL, NULL, "4",              NULL
4228   },
4229   {
4230     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4231     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4232     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4233     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
4234     &level.ball_content[4].e[0][0],     3, 3,
4235     NULL, NULL, NULL, "5",              NULL
4236   },
4237   {
4238     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4239     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4240     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4241     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
4242     &level.ball_content[5].e[0][0],     3, 3,
4243     NULL, NULL, NULL, "6",              NULL
4244   },
4245   {
4246     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4247     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4248     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4249     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
4250     &level.ball_content[6].e[0][0],     3, 3,
4251     NULL, NULL, NULL, "7",              NULL
4252   },
4253   {
4254     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4255     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4256     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4257     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
4258     &level.ball_content[7].e[0][0],     3, 3,
4259     NULL, NULL, NULL, "8",              NULL
4260   },
4261
4262   // ---------- android content -----------------------------------------------
4263
4264   {
4265     ED_DRAWING_ID_ANDROID_CONTENT,
4266     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4267     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4268     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
4269     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
4270     NULL, NULL, "Elements:", NULL,      "Elements android can clone"
4271   },
4272
4273   // ---------- amoeba content ------------------------------------------------
4274
4275   {
4276     ED_DRAWING_ID_AMOEBA_CONTENT,
4277     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4278     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4279     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
4280     &level.amoeba_content,              1, 1,
4281     "Content:", NULL, NULL, NULL,       "Amoeba content"
4282   },
4283
4284   // ---------- BD snap element -----------------------------------------------
4285
4286   {
4287     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4288     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
4289     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4290     GADGET_ID_BD_SNAP_ELEMENT,          GADGET_ID_NONE,
4291     &level.bd_snap_element,             1, 1,
4292     "Snap element:", NULL, NULL, NULL,  "Element created when snapping"
4293   },
4294
4295   // ---------- BD amoeba content ---------------------------------------------
4296
4297   {
4298     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4299     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4300     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4301     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG, GADGET_ID_NONE,
4302     &level.bd_amoeba_content_too_big,   1, 1,
4303     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba content if too big"
4304   },
4305   {
4306     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4307     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4308     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4309     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED, GADGET_ID_NONE,
4310     &level.bd_amoeba_content_enclosed,  1, 1,
4311     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba content if enclosed"
4312   },
4313
4314   // ---------- BD amoeba 2 content -------------------------------------------
4315
4316   {
4317     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4318     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4319     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4320     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG, GADGET_ID_NONE,
4321     &level.bd_amoeba_2_content_too_big, 1, 1,
4322     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba 2 content if too big"
4323   },
4324   {
4325     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4326     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4327     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4328     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED, GADGET_ID_NONE,
4329     &level.bd_amoeba_2_content_enclosed,        1, 1,
4330     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba 2 content if enclosed"
4331   },
4332   {
4333     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4334     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(10),
4335     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4336     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING, GADGET_ID_NONE,
4337     &level.bd_amoeba_2_content_exploding,       1, 1,
4338     "If exploding, changes to:", NULL, NULL, NULL,      "BD amoeba 2 content if exploding"
4339   },
4340   {
4341     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4342     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(11),
4343     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4344     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4345     &level.bd_amoeba_2_content_looks_like,      1, 1,
4346     "Use graphic of element:", NULL, NULL, NULL,        "BD amoeba 2 looks like this element"
4347   },
4348   {
4349     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4350     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4351     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4352     GADGET_ID_BD_ACID_EATS_ELEMENT,     GADGET_ID_NONE,
4353     &level.bd_acid_eats_element,        1, 1,
4354     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4355   },
4356   {
4357     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4358     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4359     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4360     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT, GADGET_ID_NONE,
4361     &level.bd_acid_turns_to_element,    1, 1,
4362     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4363   },
4364   {
4365     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
4366     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4367     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4368     GADGET_ID_BD_BITER_EATS_ELEMENT,    GADGET_ID_NONE,
4369     &level.bd_biter_eats_element,       1, 1,
4370     "Can eat:", NULL, NULL, NULL,       "Eats this element when moving"
4371   },
4372   {
4373     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
4374     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4375     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4376     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT, GADGET_ID_NONE,
4377     &level.bd_bladder_converts_by_element,      1, 1,
4378     "Turns to clock by touching:", NULL, NULL, NULL,    "Turns to clock by touching element"
4379   },
4380
4381   // ---------- level start element -------------------------------------------
4382
4383   {
4384     ED_DRAWING_ID_START_ELEMENT,
4385     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
4386     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4387     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
4388     &level.start_element[0],            1, 1,
4389     NULL, NULL, NULL, NULL,             "Level start element"
4390   },
4391
4392   // ---------- player artwork element ----------------------------------------
4393
4394   {
4395     ED_DRAWING_ID_ARTWORK_ELEMENT,
4396     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
4397     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4398     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
4399     &level.artwork_element[0],          1, 1,
4400     NULL, NULL, NULL, NULL,             "Element for player artwork"
4401   },
4402
4403   // ---------- player explosion element --------------------------------------
4404
4405   {
4406     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4407     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
4408     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4409     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
4410     &level.explosion_element[0],        1, 1,
4411     NULL, NULL, NULL, NULL,             "Element for player explosion"
4412   },
4413
4414   // ---------- player initial inventory --------------------------------------
4415
4416   {
4417     ED_DRAWING_ID_INVENTORY_CONTENT,
4418     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4419     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4420     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
4421     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
4422     NULL, NULL, NULL, NULL,             "Content for initial inventory"
4423   },
4424
4425   // ---------- gray ball content -----------------------------------------
4426
4427   {
4428     ED_DRAWING_ID_MM_BALL_CONTENT,
4429     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4430     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4431     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
4432     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
4433     "Content:", NULL, NULL, NULL,       "Content for gray ball"
4434   },
4435
4436   // ---------- element settings: configure 1 (custom elements) ---------------
4437
4438   // ---------- custom graphic ------------------------------------------------
4439
4440   {
4441     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4442     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4443     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4444     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
4445     &custom_element.gfx_element_initial, 1, 1,
4446     NULL, NULL, NULL, NULL,             "Custom graphic element"
4447   },
4448
4449   // ---------- element settings: configure 2 (custom elements) ---------------
4450
4451   // ---------- custom content (when exploding) -------------------------------
4452
4453   {
4454     ED_DRAWING_ID_CUSTOM_CONTENT,
4455     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
4456     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4457     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
4458     &custom_element.content.e[0][0],    3, 3,
4459     "Content:", NULL, NULL, NULL,       NULL
4460   },
4461
4462   // ---------- custom enter and leave element (when moving) ------------------
4463
4464   {
4465     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4466     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
4467     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4468     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
4469     &custom_element.move_enter_element, 1, 1,
4470     "Can dig:", " ", NULL, NULL,        "Element that can be digged/collected"
4471   },
4472   {
4473     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4474     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
4475     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4476     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4477     &custom_element.move_leave_element, 1, 1,
4478     NULL, NULL, NULL, NULL,             "Element that will be left behind"
4479   },
4480
4481   // ---------- element settings: advanced (custom elements) ------------------
4482
4483   // ---------- custom change target ------------------------------------------
4484
4485   {
4486     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4487     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4488     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4489     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
4490     &custom_element_change.target_element, 1, 1,
4491     NULL, "after/when:", NULL, NULL,    "New target element after change"
4492   },
4493
4494   // ---------- custom change content (extended change target) ----------------
4495
4496   {
4497     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4498     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
4499     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4500     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
4501     &custom_element_change.target_content.e[0][0], 3, 3,
4502     NULL, NULL, NULL, NULL,             "New extended elements after change"
4503   },
4504
4505   // ---------- custom change trigger (element causing change) ----------------
4506
4507   {
4508     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4509     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
4510     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4511     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
4512     &custom_element_change.initial_trigger_element, 1, 1,
4513     NULL, NULL, NULL, NULL,             "Other element triggering change"
4514   },
4515
4516   // ---------- custom change action (element used for action) ----------------
4517
4518   {
4519     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4520     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
4521     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4522     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
4523     &custom_element_change.action_element, 1, 1,
4524     NULL, NULL, NULL, NULL,             "Element used as action parameter"
4525   },
4526
4527   // ---------- group element content -----------------------------------------
4528
4529   {
4530     ED_DRAWING_ID_GROUP_CONTENT,
4531     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4532     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4533     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
4534     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
4535     "Content:", NULL, NULL, NULL,       NULL
4536   },
4537
4538   // ---------- random background (for random painting) -----------------------
4539
4540   {
4541     ED_DRAWING_ID_RANDOM_BACKGROUND,
4542     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
4543     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
4544     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
4545     &random_placement_background_element, 1, 1,
4546     NULL, NULL, NULL, NULL,             "Random placement background"
4547   },
4548 };
4549
4550
4551 // ----------------------------------------------------------------------------
4552 // some internally used variables
4553 // ----------------------------------------------------------------------------
4554
4555 // maximal size of level editor drawing area
4556 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4557
4558 // actual size of level editor drawing area
4559 static int ed_fieldx, ed_fieldy;
4560
4561 // actual position of level editor drawing area in level playfield
4562 static int level_xpos = -1, level_ypos = -1;
4563
4564 // actual tile size used to display playfield drawing area
4565 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4566 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4567
4568 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4569
4570 // drawing elements on the three mouse buttons
4571 static int new_element1 = EL_WALL;
4572 static int new_element2 = EL_EMPTY;
4573 static int new_element3 = EL_SAND;
4574
4575 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4576 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4577                                 (button) == 2 ? new_element2 : \
4578                                 (button) == 3 ? new_element3 : EL_EMPTY)
4579
4580 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4581
4582 static int use_permanent_palette = TRUE;
4583
4584 #define PX              (use_permanent_palette ? DX : SX)
4585 #define PY              (use_permanent_palette ? DY : SY)
4586 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4587 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4588
4589 // forward declaration for internal use
4590 static void CopyBrushToCursor(int, int);
4591 static void DeleteBrushFromCursor(void);
4592 static void ModifyEditorCounterValue(int, int);
4593 static void ModifyEditorCounterLimits(int, int, int);
4594 static void ModifyEditorSelectboxValue(int, int);
4595 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4596 static void ModifyEditorDrawingArea(int, int, int);
4597 static void ModifyEditorElementList(void);
4598 static void AdjustElementListScrollbar(void);
4599 static void RedrawDrawingElements(void);
4600 static void DrawDrawingWindowExt(boolean);
4601 static void DrawDrawingWindow(void);
4602 static void DrawLevelConfigWindow(void);
4603 static void DrawPropertiesWindow(void);
4604 static void DrawPaletteWindow(void);
4605 static void UpdateCustomElementGraphicGadgets(void);
4606 static boolean checkPropertiesConfig(int);
4607 static void SetAutomaticNumberOfGemsNeeded(void);
4608 static void ClearEditorGadgetInfoText(void);
4609 static void CopyLevelToUndoBuffer(int);
4610 static void HandleDrawingAreas(struct GadgetInfo *);
4611 static void HandleCounterButtons(struct GadgetInfo *);
4612 static void HandleTextInputGadgets(struct GadgetInfo *);
4613 static void HandleTextAreaGadgets(struct GadgetInfo *);
4614 static void HandleSelectboxGadgets(struct GadgetInfo *);
4615 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4616 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4617 static void HandleRadiobuttons(struct GadgetInfo *);
4618 static void HandleCheckbuttons(struct GadgetInfo *);
4619 static void HandleControlButtons(struct GadgetInfo *);
4620 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4621 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4622 static boolean AskToCopyAndModifyLevelTemplate(void);
4623 static boolean getDrawModeHiRes(void);
4624 static int getTabulatorBarWidth(void);
4625 static int getTabulatorBarHeight(void);
4626 static Pixel getTabulatorBarColor(void);
4627 static int numHiresTiles(int);
4628
4629 static int num_editor_gadgets = 0;      // dynamically determined
4630
4631 static struct GadgetInfo **level_editor_gadget = NULL;
4632 static int *right_gadget_border = NULL;
4633
4634 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4635 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4636 static boolean draw_with_brush = FALSE;
4637 static int properties_element = 0;
4638
4639 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4640 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4641 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4642 static int undo_buffer_position = 0;
4643 static int undo_buffer_steps = 0;
4644 static int redo_buffer_steps = 0;
4645
4646 static int edit_mode;
4647 static int edit_mode_levelconfig;
4648 static int edit_mode_properties;
4649
4650 static int element_shift = 0;
4651
4652 static int editor_el_players[] =
4653 {
4654   EL_PLAYER_1,
4655   EL_PLAYER_2,
4656   EL_PLAYER_3,
4657   EL_PLAYER_4
4658 };
4659 static int *editor_el_players_ptr = editor_el_players;
4660 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4661
4662 static int editor_hl_boulderdash[] =
4663 {
4664   EL_INTERNAL_CASCADE_BD_ACTIVE,
4665   EL_CHAR('B'),
4666   EL_CHAR('D'),
4667   EL_EMPTY,
4668 };
4669
4670 static int editor_el_boulderdash[] =
4671 {
4672   EL_EMPTY,
4673   EL_SAND,
4674   EL_BD_ROCK,
4675   EL_BD_DIAMOND,
4676
4677   EL_STEELWALL,
4678   EL_BD_WALL,
4679   EL_BD_EXPANDABLE_WALL,
4680   EL_BD_MAGIC_WALL,
4681
4682   EL_BD_AMOEBA,
4683   EL_BD_BUTTERFLY_UP,
4684   EL_BD_FIREFLY_UP,
4685   EL_EXIT_CLOSED,
4686
4687   EL_BD_BUTTERFLY_LEFT,
4688   EL_BD_FIREFLY_LEFT,
4689   EL_BD_BUTTERFLY_RIGHT,
4690   EL_BD_FIREFLY_RIGHT,
4691
4692   EL_EMPTY,
4693   EL_BD_BUTTERFLY_DOWN,
4694   EL_BD_FIREFLY_DOWN,
4695   EL_EXIT_OPEN,
4696 };
4697 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4698 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4699 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4700 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4701
4702 static int editor_hl_boulderdash_native[] =
4703 {
4704   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4705   EL_CHAR('B'),
4706   EL_CHAR('D'),
4707   EL_EMPTY,
4708 };
4709
4710 static int editor_el_boulderdash_native[] =
4711 {
4712   EL_EMPTY,
4713   EL_BD_SAND,
4714   EL_BD_ROCK,
4715   EL_BD_DIAMOND,
4716
4717   EL_BD_STEELWALL,
4718   EL_BD_WALL,
4719   EL_BD_SAND_2,
4720   EL_BD_MAGIC_WALL,
4721
4722   EL_BD_AMOEBA,
4723   EL_BD_BUTTERFLY_UP,
4724   EL_BD_FIREFLY_UP,
4725   EL_BD_EXIT_CLOSED,
4726
4727   EL_BD_BUTTERFLY_LEFT,
4728   EL_BD_FIREFLY_LEFT,
4729   EL_BD_BUTTERFLY_RIGHT,
4730   EL_BD_FIREFLY_RIGHT,
4731
4732   EL_BD_INBOX,
4733   EL_BD_BUTTERFLY_DOWN,
4734   EL_BD_FIREFLY_DOWN,
4735   EL_BD_EXIT_OPEN,
4736
4737   EL_BD_AMOEBA_2,
4738   EL_BD_BUTTERFLY_2_UP,
4739   EL_BD_FIREFLY_2_UP,
4740   EL_BD_SLIME,
4741
4742   EL_BD_BUTTERFLY_2_LEFT,
4743   EL_BD_FIREFLY_2_LEFT,
4744   EL_BD_BUTTERFLY_2_RIGHT,
4745   EL_BD_FIREFLY_2_RIGHT,
4746
4747   EL_BD_BOMB,
4748   EL_BD_BUTTERFLY_2_DOWN,
4749   EL_BD_FIREFLY_2_DOWN,
4750   EL_BD_FLYING_DIAMOND,
4751
4752   EL_BD_NITRO_PACK,
4753   EL_BD_DRAGONFLY_UP,
4754   EL_BD_STONEFLY_UP,
4755   EL_BD_DIAMOND_GLUED,
4756
4757   EL_BD_DRAGONFLY_LEFT,
4758   EL_BD_STONEFLY_LEFT,
4759   EL_BD_DRAGONFLY_RIGHT,
4760   EL_BD_STONEFLY_RIGHT,
4761
4762   EL_BD_NUT,
4763   EL_BD_DRAGONFLY_DOWN,
4764   EL_BD_STONEFLY_DOWN,
4765   EL_EMPTY,
4766
4767   EL_BD_BITER_SWITCH_1,
4768   EL_BD_BITER_UP,
4769   EL_BD_COW_UP,
4770   EL_EMPTY,
4771
4772   EL_BD_BITER_LEFT,
4773   EL_BD_COW_LEFT,
4774   EL_BD_BITER_RIGHT,
4775   EL_BD_COW_RIGHT,
4776
4777   EL_BD_VOODOO_DOLL,
4778   EL_BD_BITER_DOWN,
4779   EL_BD_COW_DOWN,
4780   EL_BD_GHOST,
4781
4782   EL_BD_SAND_GLUED,
4783   EL_BD_SAND_BALL,
4784   EL_BD_SAND_LOOSE,
4785   EL_BD_WALL_NON_SLOPED,
4786
4787   EL_BD_SAND_SLOPED_UP_LEFT,
4788   EL_BD_SAND_SLOPED_UP_RIGHT,
4789   EL_BD_WALL_SLOPED_UP_LEFT,
4790   EL_BD_WALL_SLOPED_UP_RIGHT,
4791
4792   EL_BD_SAND_SLOPED_DOWN_LEFT,
4793   EL_BD_SAND_SLOPED_DOWN_RIGHT,
4794   EL_BD_WALL_SLOPED_DOWN_LEFT,
4795   EL_BD_WALL_SLOPED_DOWN_RIGHT,
4796
4797   EL_BD_FLYING_ROCK,
4798   EL_BD_ROCK_GLUED,
4799   EL_BD_STEELWALL_SLOPED_UP_LEFT,
4800   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
4801
4802   EL_BD_WAITING_ROCK,
4803   EL_BD_CHASING_ROCK,
4804   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
4805   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
4806
4807   EL_BD_MEGA_ROCK,
4808   EL_BD_SWEET,
4809   EL_BD_INVISIBLE_EXIT_CLOSED,
4810   EL_BD_INVISIBLE_EXIT_OPEN,
4811
4812   EL_BD_STEELWALL_EXPLODABLE,
4813   EL_BD_STEELWALL_DIGGABLE,
4814   EL_BD_WALL_DIGGABLE,
4815   EL_BD_FALLING_WALL,
4816
4817   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
4818   EL_BD_EXPANDABLE_WALL_VERTICAL,
4819   EL_BD_EXPANDABLE_WALL_ANY,
4820   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
4821
4822   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
4823   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
4824   EL_BD_EXPANDABLE_STEELWALL_ANY,
4825   EL_BD_CREATURE_SWITCH,
4826
4827   EL_BD_BLADDER,
4828   EL_BD_BLADDER_SPENDER,
4829   EL_BD_REPLICATOR,
4830   EL_BD_REPLICATOR_SWITCH,
4831
4832   EL_BD_CONVEYOR_LEFT,
4833   EL_BD_CONVEYOR_RIGHT,
4834   EL_BD_CONVEYOR_SWITCH,
4835   EL_BD_CONVEYOR_DIR_SWITCH_RIGHT,
4836
4837   EL_BD_CLOCK,
4838   EL_BD_TIME_PENALTY,
4839   EL_BD_GRAVESTONE,
4840   EL_BD_SKELETON,
4841
4842   EL_BD_WATER,
4843   EL_BD_ACID,
4844   EL_BD_LAVA,
4845   EL_BD_BOX,
4846
4847   EL_BD_GATE_1,
4848   EL_BD_GATE_2,
4849   EL_BD_GATE_3,
4850   EL_BD_TRAPPED_DIAMOND,
4851
4852   EL_BD_KEY_1,
4853   EL_BD_KEY_2,
4854   EL_BD_KEY_3,
4855   EL_BD_DIAMOND_KEY,
4856
4857   EL_BD_WALL_KEY_1,
4858   EL_BD_WALL_KEY_2,
4859   EL_BD_WALL_KEY_3,
4860   EL_BD_WALL_DIAMOND,
4861
4862   EL_BD_GRAVITY_SWITCH,
4863   EL_BD_PNEUMATIC_HAMMER,
4864   EL_BD_TELEPORTER,
4865   EL_BD_POT,
4866
4867   EL_BD_PLAYER,
4868   EL_BD_PLAYER_WITH_BOMB,
4869   EL_BD_PLAYER_GLUED,
4870   EL_BD_PLAYER_STIRRING,
4871 };
4872 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
4873 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
4874 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
4875 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
4876
4877 static int editor_hl_emerald_mine[] =
4878 {
4879   EL_INTERNAL_CASCADE_EM_ACTIVE,
4880   EL_CHAR('E'),
4881   EL_CHAR('M'),
4882   EL_EMPTY,
4883 };
4884
4885 static int editor_el_emerald_mine[] =
4886 {
4887   EL_SAND,
4888   EL_ROCK,
4889   EL_QUICKSAND_EMPTY,
4890   EL_QUICKSAND_FULL,
4891
4892   EL_STEELWALL,
4893   EL_WALL,
4894   EL_WALL_SLIPPERY,
4895   EL_MAGIC_WALL,
4896
4897   EL_EMERALD,
4898   EL_DIAMOND,
4899   EL_NUT,
4900   EL_BOMB,
4901
4902   EL_EM_DYNAMITE,
4903   EL_EM_DYNAMITE_ACTIVE,
4904   EL_EM_EXIT_CLOSED,
4905   EL_EM_EXIT_OPEN,
4906
4907   EL_YAMYAM_UP,
4908   EL_BUG_UP,
4909   EL_SPACESHIP_UP,
4910   EL_ROBOT,
4911
4912   EL_BUG_LEFT,
4913   EL_SPACESHIP_LEFT,
4914   EL_BUG_RIGHT,
4915   EL_SPACESHIP_RIGHT,
4916
4917   EL_ROBOT_WHEEL,
4918   EL_BUG_DOWN,
4919   EL_SPACESHIP_DOWN,
4920   EL_INVISIBLE_WALL,
4921
4922   EL_ACID_POOL_TOPLEFT,
4923   EL_ACID,
4924   EL_ACID_POOL_TOPRIGHT,
4925   EL_AMOEBA_DROP,
4926
4927   EL_ACID_POOL_BOTTOMLEFT,
4928   EL_ACID_POOL_BOTTOM,
4929   EL_ACID_POOL_BOTTOMRIGHT,
4930   EL_AMOEBA_WET,
4931
4932   EL_EM_KEY_1,
4933   EL_EM_KEY_2,
4934   EL_EM_KEY_3,
4935   EL_EM_KEY_4,
4936
4937   EL_EM_GATE_1,
4938   EL_EM_GATE_2,
4939   EL_EM_GATE_3,
4940   EL_EM_GATE_4,
4941
4942   EL_EM_GATE_1_GRAY,
4943   EL_EM_GATE_2_GRAY,
4944   EL_EM_GATE_3_GRAY,
4945   EL_EM_GATE_4_GRAY,
4946 };
4947 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4948 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4949 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4950 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4951
4952 static int editor_hl_emerald_mine_club[] =
4953 {
4954   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4955   EL_CHAR('E'),
4956   EL_CHAR('M'),
4957   EL_CHAR('C'),
4958 };
4959
4960 static int editor_el_emerald_mine_club[] =
4961 {
4962   EL_EMC_KEY_5,
4963   EL_EMC_KEY_6,
4964   EL_EMC_KEY_7,
4965   EL_EMC_KEY_8,
4966
4967   EL_EMC_GATE_5,
4968   EL_EMC_GATE_6,
4969   EL_EMC_GATE_7,
4970   EL_EMC_GATE_8,
4971
4972   EL_EMC_GATE_5_GRAY,
4973   EL_EMC_GATE_6_GRAY,
4974   EL_EMC_GATE_7_GRAY,
4975   EL_EMC_GATE_8_GRAY,
4976
4977   EL_EMC_STEELWALL_1,
4978   EL_EMC_STEELWALL_2,
4979   EL_EMC_STEELWALL_3,
4980   EL_EMC_STEELWALL_4,
4981
4982   EL_EMC_WALL_13,
4983   EL_EMC_WALL_14,
4984   EL_EMC_WALL_15,
4985   EL_EMC_WALL_16,
4986
4987   EL_EMC_WALL_SLIPPERY_1,
4988   EL_EMC_WALL_SLIPPERY_2,
4989   EL_EMC_WALL_SLIPPERY_3,
4990   EL_EMC_WALL_SLIPPERY_4,
4991
4992   EL_EMC_WALL_1,
4993   EL_EMC_WALL_2,
4994   EL_EMC_WALL_3,
4995   EL_EMC_WALL_4,
4996
4997   EL_EMC_WALL_5,
4998   EL_EMC_WALL_6,
4999   EL_EMC_WALL_7,
5000   EL_EMC_WALL_8,
5001
5002   EL_EMC_WALL_9,
5003   EL_EMC_WALL_10,
5004   EL_EMC_WALL_11,
5005   EL_EMC_WALL_12,
5006
5007   EL_EMC_GRASS,
5008   EL_EMC_FAKE_GRASS,
5009   EL_EMC_PLANT,
5010   EL_EMC_DRIPPER,
5011
5012   EL_EMC_MAGIC_BALL,
5013   EL_EMC_MAGIC_BALL_SWITCH,
5014   EL_EMC_LENSES,
5015   EL_EMC_MAGNIFIER,
5016
5017   EL_SPRING_LEFT,
5018   EL_SPRING,
5019   EL_SPRING_RIGHT,
5020   EL_EMC_SPRING_BUMPER,
5021
5022   EL_BALLOON,
5023   EL_YAMYAM_UP,
5024   EL_BALLOON_SWITCH_UP,
5025   EL_BALLOON_SWITCH_ANY,
5026
5027   EL_YAMYAM_LEFT,
5028   EL_BALLOON_SWITCH_LEFT,
5029   EL_YAMYAM_RIGHT,
5030   EL_BALLOON_SWITCH_RIGHT,
5031
5032   EL_EMC_ANDROID,
5033   EL_YAMYAM_DOWN,
5034   EL_BALLOON_SWITCH_DOWN,
5035   EL_BALLOON_SWITCH_NONE,
5036 };
5037 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5038 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5039 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5040 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5041
5042 static int editor_hl_rnd[] =
5043 {
5044   EL_INTERNAL_CASCADE_RND_ACTIVE,
5045   EL_CHAR('R'),
5046   EL_CHAR('N'),
5047   EL_CHAR('D'),
5048 };
5049
5050 static int editor_el_rnd[] =
5051 {
5052   EL_DYNAMITE,                  // RND
5053   EL_DYNAMITE_ACTIVE,           // RND
5054   EL_EMPTY,
5055   EL_EMPTY,
5056
5057   EL_KEY_1,
5058   EL_KEY_2,
5059   EL_KEY_3,
5060   EL_KEY_4,
5061
5062   EL_GATE_1,
5063   EL_GATE_2,
5064   EL_GATE_3,
5065   EL_GATE_4,
5066
5067   EL_GATE_1_GRAY,
5068   EL_GATE_2_GRAY,
5069   EL_GATE_3_GRAY,
5070   EL_GATE_4_GRAY,
5071
5072   EL_ARROW_LEFT,
5073   EL_ARROW_RIGHT,
5074   EL_ARROW_UP,
5075   EL_ARROW_DOWN,
5076
5077   EL_AMOEBA_DEAD,
5078   EL_AMOEBA_DRY,
5079   EL_AMOEBA_FULL,
5080   EL_GAME_OF_LIFE,
5081
5082   EL_EMERALD_YELLOW,
5083   EL_EMERALD_RED,
5084   EL_EMERALD_PURPLE,
5085   EL_BIOMAZE,
5086
5087   EL_WALL_EMERALD_YELLOW,
5088   EL_WALL_EMERALD_RED,
5089   EL_WALL_EMERALD_PURPLE,
5090   EL_WALL_BD_DIAMOND,
5091
5092   EL_SPEED_PILL,
5093   EL_PACMAN_UP,
5094   EL_TIME_ORB_FULL,
5095   EL_TIME_ORB_EMPTY,
5096
5097   EL_PACMAN_LEFT,
5098   EL_DARK_YAMYAM,
5099   EL_PACMAN_RIGHT,
5100   EL_YAMYAM,                    // RND
5101
5102   EL_BLACK_ORB,
5103   EL_PACMAN_DOWN,
5104   EL_LAMP,
5105   EL_LAMP_ACTIVE,
5106
5107   EL_DYNABOMB_INCREASE_NUMBER,
5108   EL_DYNABOMB_INCREASE_SIZE,
5109   EL_DYNABOMB_INCREASE_POWER,
5110   EL_STONEBLOCK,
5111
5112   EL_MOLE,
5113   EL_PENGUIN,
5114   EL_PIG,
5115   EL_DRAGON,
5116
5117   EL_BUG,
5118   EL_MOLE_UP,
5119   EL_BD_BUTTERFLY,
5120   EL_BD_FIREFLY,
5121
5122   EL_MOLE_LEFT,
5123   EL_SATELLITE,
5124   EL_MOLE_RIGHT,
5125   EL_PACMAN,
5126
5127   EL_SPACESHIP,
5128   EL_MOLE_DOWN,
5129   EL_INVISIBLE_STEELWALL,
5130   EL_INVISIBLE_WALL,
5131
5132   EL_EXPANDABLE_WALL,
5133   EL_EXPANDABLE_WALL_HORIZONTAL,
5134   EL_EXPANDABLE_WALL_VERTICAL,
5135   EL_EXPANDABLE_WALL_ANY,
5136 };
5137 static int *editor_hl_rnd_ptr = editor_hl_rnd;
5138 static int *editor_el_rnd_ptr = editor_el_rnd;
5139 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
5140 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
5141
5142 static int editor_hl_sokoban[] =
5143 {
5144   EL_INTERNAL_CASCADE_SB_ACTIVE,
5145   EL_CHAR('S'),
5146   EL_CHAR('B'),
5147   EL_EMPTY,
5148 };
5149
5150 static int editor_el_sokoban[] =
5151 {
5152   EL_SOKOBAN_OBJECT,
5153   EL_SOKOBAN_FIELD_EMPTY,
5154   EL_SOKOBAN_FIELD_FULL,
5155   EL_SOKOBAN_FIELD_PLAYER,
5156 };
5157 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
5158 static int *editor_el_sokoban_ptr = editor_el_sokoban;
5159 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
5160 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
5161
5162 static int editor_hl_supaplex[] =
5163 {
5164   EL_INTERNAL_CASCADE_SP_ACTIVE,
5165   EL_CHAR('S'),
5166   EL_CHAR('P'),
5167   EL_EMPTY,
5168 };
5169
5170 static int editor_el_supaplex[] =
5171 {
5172   EL_SP_MURPHY,
5173   EL_EMPTY,
5174   EL_SP_BASE,
5175   EL_SP_BUGGY_BASE,
5176
5177   EL_SP_INFOTRON,
5178   EL_SP_ZONK,
5179   EL_SP_SNIKSNAK,
5180   EL_SP_ELECTRON,
5181
5182   EL_SP_DISK_RED,
5183   EL_SP_DISK_ORANGE,
5184   EL_SP_DISK_YELLOW,
5185   EL_SP_TERMINAL,
5186
5187   EL_SP_EXIT_CLOSED,
5188   EL_SP_PORT_HORIZONTAL,
5189   EL_SP_PORT_VERTICAL,
5190   EL_SP_PORT_ANY,
5191
5192   EL_SP_PORT_LEFT,
5193   EL_SP_PORT_RIGHT,
5194   EL_SP_PORT_UP,
5195   EL_SP_PORT_DOWN,
5196
5197   EL_SP_GRAVITY_PORT_LEFT,
5198   EL_SP_GRAVITY_PORT_RIGHT,
5199   EL_SP_GRAVITY_PORT_UP,
5200   EL_SP_GRAVITY_PORT_DOWN,
5201
5202   EL_SP_GRAVITY_ON_PORT_LEFT,
5203   EL_SP_GRAVITY_ON_PORT_RIGHT,
5204   EL_SP_GRAVITY_ON_PORT_UP,
5205   EL_SP_GRAVITY_ON_PORT_DOWN,
5206
5207   EL_SP_GRAVITY_OFF_PORT_LEFT,
5208   EL_SP_GRAVITY_OFF_PORT_RIGHT,
5209   EL_SP_GRAVITY_OFF_PORT_UP,
5210   EL_SP_GRAVITY_OFF_PORT_DOWN,
5211
5212   EL_SP_HARDWARE_GRAY,
5213   EL_SP_HARDWARE_GREEN,
5214   EL_SP_HARDWARE_BLUE,
5215   EL_SP_HARDWARE_RED,
5216
5217   EL_SP_HARDWARE_BASE_1,
5218   EL_SP_HARDWARE_BASE_2,
5219   EL_SP_HARDWARE_BASE_3,
5220   EL_SP_HARDWARE_BASE_4,
5221
5222   EL_SP_HARDWARE_BASE_5,
5223   EL_SP_HARDWARE_BASE_6,
5224   EL_SP_HARDWARE_YELLOW,
5225   EL_SP_CHIP_TOP,
5226
5227   EL_SP_CHIP_SINGLE,
5228   EL_SP_CHIP_LEFT,
5229   EL_SP_CHIP_RIGHT,
5230   EL_SP_CHIP_BOTTOM,
5231 };
5232 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
5233 static int *editor_el_supaplex_ptr = editor_el_supaplex;
5234 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
5235 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
5236
5237 static int editor_hl_diamond_caves[] =
5238 {
5239   EL_INTERNAL_CASCADE_DC_ACTIVE,
5240   EL_CHAR('D'),
5241   EL_CHAR('C'),
5242   EL_CHAR('2'),
5243 };
5244
5245 static int editor_el_diamond_caves[] =
5246 {
5247   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5248   EL_EM_STEEL_EXIT_OPEN,        // DC2
5249   EL_WALL_EMERALD,              // DC2
5250   EL_WALL_DIAMOND,              // DC2
5251
5252   EL_PEARL,
5253   EL_CRYSTAL,
5254   EL_WALL_PEARL,
5255   EL_WALL_CRYSTAL,
5256
5257   EL_CONVEYOR_BELT_1_LEFT,
5258   EL_CONVEYOR_BELT_1_MIDDLE,
5259   EL_CONVEYOR_BELT_1_RIGHT,
5260   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5261
5262   EL_CONVEYOR_BELT_2_LEFT,
5263   EL_CONVEYOR_BELT_2_MIDDLE,
5264   EL_CONVEYOR_BELT_2_RIGHT,
5265   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5266
5267   EL_CONVEYOR_BELT_3_LEFT,
5268   EL_CONVEYOR_BELT_3_MIDDLE,
5269   EL_CONVEYOR_BELT_3_RIGHT,
5270   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5271
5272   EL_CONVEYOR_BELT_4_LEFT,
5273   EL_CONVEYOR_BELT_4_MIDDLE,
5274   EL_CONVEYOR_BELT_4_RIGHT,
5275   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5276
5277   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5278   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5279   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5280   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5281
5282   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5283   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5284   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5285   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5286
5287   EL_TIMEGATE_CLOSED,
5288   EL_TIMEGATE_OPEN,
5289   EL_TIMEGATE_SWITCH,
5290   EL_DC_TIMEGATE_SWITCH,
5291
5292   EL_SWITCHGATE_CLOSED,
5293   EL_SWITCHGATE_OPEN,
5294   EL_SWITCHGATE_SWITCH_UP,
5295   EL_SWITCHGATE_SWITCH_DOWN,
5296
5297   EL_LIGHT_SWITCH,
5298   EL_LIGHT_SWITCH_ACTIVE,
5299   EL_DC_SWITCHGATE_SWITCH_UP,
5300   EL_DC_SWITCHGATE_SWITCH_DOWN,
5301
5302   EL_STEEL_EXIT_CLOSED,
5303   EL_STEEL_EXIT_OPEN,
5304   EL_STEELWALL_SLIPPERY,
5305   EL_INVISIBLE_SAND,
5306
5307   EL_QUICKSAND_FAST_EMPTY,
5308   EL_QUICKSAND_FAST_FULL,
5309   EL_LANDMINE,
5310   EL_DC_LANDMINE,
5311
5312   EL_SHIELD_NORMAL,
5313   EL_SHIELD_DEADLY,
5314   EL_EXTRA_TIME,
5315   EL_DC_MAGIC_WALL,
5316
5317   EL_ENVELOPE_1,
5318   EL_ENVELOPE_2,
5319   EL_ENVELOPE_3,
5320   EL_ENVELOPE_4,
5321
5322   EL_SIGN_RADIOACTIVITY,
5323   EL_SIGN_WHEELCHAIR,
5324   EL_SIGN_PARKING,
5325   EL_SIGN_NO_ENTRY,
5326
5327   EL_SIGN_GIVE_WAY,
5328   EL_SIGN_ENTRY_FORBIDDEN,
5329   EL_SIGN_EMERGENCY_EXIT,
5330   EL_SIGN_YIN_YANG,
5331
5332 #if 0
5333   EL_SIGN_SPERMS,
5334   EL_SIGN_BULLET,
5335   EL_SIGN_HEART,
5336   EL_SIGN_CROSS,
5337
5338   EL_SIGN_FRANKIE,
5339   EL_EMPTY,
5340   EL_EMPTY,
5341   EL_EMPTY,
5342
5343   EL_SPERMS,
5344   EL_BULLET,
5345   EL_HEART,
5346   EL_CROSS,
5347
5348   EL_FRANKIE,
5349   EL_EMPTY,
5350   EL_EMPTY,
5351   EL_EMPTY,
5352 #endif
5353
5354   EL_DC_STEELWALL_2_SINGLE,
5355   EL_DC_STEELWALL_2_TOP,
5356   EL_SIGN_EXCLAMATION,
5357   EL_SIGN_STOP,
5358
5359   EL_DC_STEELWALL_2_LEFT,
5360   EL_DC_STEELWALL_2_MIDDLE,
5361   EL_DC_STEELWALL_2_HORIZONTAL,
5362   EL_DC_STEELWALL_2_RIGHT,
5363
5364   EL_DC_STEELWALL_1_TOPLEFT,
5365   EL_DC_STEELWALL_2_VERTICAL,
5366   EL_DC_STEELWALL_1_TOPRIGHT,
5367   EL_DC_GATE_WHITE,
5368
5369   EL_DC_STEELWALL_1_VERTICAL,
5370   EL_DC_STEELWALL_2_BOTTOM,
5371   EL_DC_KEY_WHITE,
5372   EL_DC_GATE_WHITE_GRAY,
5373
5374   EL_DC_STEELWALL_1_BOTTOMLEFT,
5375   EL_DC_STEELWALL_1_HORIZONTAL,
5376   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5377   EL_DC_GATE_FAKE_GRAY,
5378
5379   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5380   EL_DC_STEELWALL_1_BOTTOM,
5381   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5382   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5383
5384   EL_DC_STEELWALL_1_RIGHT,
5385   EL_EMPTY,
5386   EL_DC_STEELWALL_1_LEFT,
5387   EL_EXPANDABLE_STEELWALL_VERTICAL,
5388
5389   EL_DC_STEELWALL_1_TOPRIGHT_2,
5390   EL_DC_STEELWALL_1_TOP,
5391   EL_DC_STEELWALL_1_TOPLEFT_2,
5392   EL_EXPANDABLE_STEELWALL_ANY,
5393 };
5394 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5395 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5396 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5397 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5398
5399 static int editor_hl_dx_boulderdash[] =
5400 {
5401   EL_INTERNAL_CASCADE_DX_ACTIVE,
5402   EL_CHAR('D'),
5403   EL_CHAR('X'),
5404   EL_EMPTY,
5405 };
5406
5407 static int editor_el_dx_boulderdash[] =
5408 {
5409   EL_EMPTY,
5410   EL_TUBE_RIGHT_DOWN,
5411   EL_TUBE_HORIZONTAL_DOWN,
5412   EL_TUBE_LEFT_DOWN,
5413
5414   EL_TUBE_HORIZONTAL,
5415   EL_TUBE_VERTICAL_RIGHT,
5416   EL_TUBE_ANY,
5417   EL_TUBE_VERTICAL_LEFT,
5418
5419   EL_TUBE_VERTICAL,
5420   EL_TUBE_RIGHT_UP,
5421   EL_TUBE_HORIZONTAL_UP,
5422   EL_TUBE_LEFT_UP,
5423
5424   EL_TRAP,
5425   EL_DX_SUPABOMB,
5426   EL_EMPTY,
5427   EL_EMPTY
5428 };
5429 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5430 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5431 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5432 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5433
5434 static int editor_hl_mirror_magic[] =
5435 {
5436   EL_INTERNAL_CASCADE_MM_ACTIVE,
5437   EL_CHAR('M'),
5438   EL_CHAR('M'),
5439   EL_EMPTY,
5440 };
5441
5442 static int editor_el_mirror_magic[] =
5443 {
5444   EL_MM_MCDUFFIN_RIGHT,
5445   EL_MM_MCDUFFIN_UP,
5446   EL_MM_MCDUFFIN_LEFT,
5447   EL_MM_MCDUFFIN_DOWN,
5448
5449   EL_MM_MIRROR_START,
5450   EL_MM_MIRROR_FIXED_START,
5451   EL_MM_POLARIZER_START,
5452   EL_MM_POLARIZER_CROSS_START,
5453
5454   EL_MM_TELEPORTER_RED_START,
5455   EL_MM_TELEPORTER_YELLOW_START,
5456   EL_MM_TELEPORTER_GREEN_START,
5457   EL_MM_TELEPORTER_BLUE_START,
5458
5459   EL_MM_PRISM,
5460   EL_MM_FUSE_ACTIVE,
5461   EL_MM_PACMAN_RIGHT,
5462   EL_MM_EXIT_CLOSED,
5463
5464   EL_MM_KETTLE,
5465   EL_MM_BOMB,
5466   EL_MM_KEY,
5467   EL_MM_FUEL_FULL,
5468
5469   EL_MM_LIGHTBULB,
5470   EL_MM_LIGHTBULB_ACTIVE,
5471   EL_MM_GRAY_BALL,
5472   EL_MM_LIGHTBALL,
5473
5474   EL_MM_STEEL_WALL,
5475   EL_MM_WOODEN_WALL,
5476   EL_MM_ICE_WALL,
5477   EL_MM_AMOEBA_WALL,
5478
5479   EL_MM_STEEL_LOCK,
5480   EL_MM_WOODEN_LOCK,
5481   EL_MM_STEEL_BLOCK,
5482   EL_MM_WOODEN_BLOCK,
5483
5484   EL_MM_STEEL_GRID_FIXED_1,
5485   EL_MM_STEEL_GRID_FIXED_2,
5486   EL_MM_STEEL_GRID_FIXED_3,
5487   EL_MM_STEEL_GRID_FIXED_4,
5488
5489   EL_MM_WOODEN_GRID_FIXED_1,
5490   EL_MM_WOODEN_GRID_FIXED_2,
5491   EL_MM_WOODEN_GRID_FIXED_3,
5492   EL_MM_WOODEN_GRID_FIXED_4,
5493
5494   EL_MM_ENVELOPE_1,
5495   EL_MM_ENVELOPE_2,
5496   EL_MM_ENVELOPE_3,
5497   EL_MM_ENVELOPE_4
5498 };
5499 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5500 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5501 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5502 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5503
5504 static int editor_hl_deflektor[] =
5505 {
5506   EL_INTERNAL_CASCADE_DF_ACTIVE,
5507   EL_CHAR('D'),
5508   EL_CHAR('F'),
5509   EL_EMPTY,
5510 };
5511
5512 static int editor_el_deflektor[] =
5513 {
5514   EL_DF_LASER_RIGHT,
5515   EL_DF_LASER_UP,
5516   EL_DF_LASER_LEFT,
5517   EL_DF_LASER_DOWN,
5518
5519   EL_DF_RECEIVER_RIGHT,
5520   EL_DF_RECEIVER_UP,
5521   EL_DF_RECEIVER_LEFT,
5522   EL_DF_RECEIVER_DOWN,
5523
5524   EL_DF_MIRROR_START,
5525   EL_DF_MIRROR_ROTATING_START,
5526   EL_DF_MIRROR_FIXED_START,
5527   EL_DF_CELL,
5528
5529   EL_DF_FIBRE_OPTIC_RED_1,
5530   EL_DF_FIBRE_OPTIC_YELLOW_1,
5531   EL_DF_FIBRE_OPTIC_GREEN_1,
5532   EL_DF_FIBRE_OPTIC_BLUE_1,
5533
5534   EL_DF_STEEL_GRID_FIXED_START,
5535   EL_DF_STEEL_GRID_ROTATING_START,
5536   EL_DF_WOODEN_GRID_FIXED_START,
5537   EL_DF_WOODEN_GRID_ROTATING_START,
5538
5539   EL_DF_STEEL_WALL,
5540   EL_DF_WOODEN_WALL,
5541   EL_DF_REFRACTOR,
5542   EL_DF_MINE,
5543
5544   EL_DF_SLOPE_1,
5545   EL_DF_SLOPE_2,
5546   EL_DF_SLOPE_3,
5547   EL_DF_SLOPE_4
5548 };
5549 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5550 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5551 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5552 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5553
5554 static int editor_hl_chars[] =
5555 {
5556   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5557   EL_CHAR('T'),
5558   EL_CHAR('X'),
5559   EL_CHAR('T'),
5560 };
5561
5562 static int editor_el_chars[] =
5563 {
5564   EL_CHAR(' '),
5565   EL_CHAR('!'),
5566   EL_CHAR('"'),
5567   EL_CHAR('#'),
5568
5569   EL_CHAR('$'),
5570   EL_CHAR('%'),
5571   EL_CHAR('&'),
5572   EL_CHAR('\''),
5573
5574   EL_CHAR('('),
5575   EL_CHAR(')'),
5576   EL_CHAR('*'),
5577   EL_CHAR('+'),
5578
5579   EL_CHAR(','),
5580   EL_CHAR('-'),
5581   EL_CHAR('.'),
5582   EL_CHAR('/'),
5583
5584   EL_CHAR('0'),
5585   EL_CHAR('1'),
5586   EL_CHAR('2'),
5587   EL_CHAR('3'),
5588
5589   EL_CHAR('4'),
5590   EL_CHAR('5'),
5591   EL_CHAR('6'),
5592   EL_CHAR('7'),
5593
5594   EL_CHAR('8'),
5595   EL_CHAR('9'),
5596   EL_CHAR(':'),
5597   EL_CHAR(';'),
5598
5599   EL_CHAR('<'),
5600   EL_CHAR('='),
5601   EL_CHAR('>'),
5602   EL_CHAR('?'),
5603
5604   EL_CHAR('@'),
5605   EL_CHAR('A'),
5606   EL_CHAR('B'),
5607   EL_CHAR('C'),
5608
5609   EL_CHAR('D'),
5610   EL_CHAR('E'),
5611   EL_CHAR('F'),
5612   EL_CHAR('G'),
5613
5614   EL_CHAR('H'),
5615   EL_CHAR('I'),
5616   EL_CHAR('J'),
5617   EL_CHAR('K'),
5618
5619   EL_CHAR('L'),
5620   EL_CHAR('M'),
5621   EL_CHAR('N'),
5622   EL_CHAR('O'),
5623
5624   EL_CHAR('P'),
5625   EL_CHAR('Q'),
5626   EL_CHAR('R'),
5627   EL_CHAR('S'),
5628
5629   EL_CHAR('T'),
5630   EL_CHAR('U'),
5631   EL_CHAR('V'),
5632   EL_CHAR('W'),
5633
5634   EL_CHAR('X'),
5635   EL_CHAR('Y'),
5636   EL_CHAR('Z'),
5637   EL_CHAR('['),
5638
5639   EL_CHAR('\\'),
5640   EL_CHAR(']'),
5641   EL_CHAR('^'),
5642   EL_CHAR('_'),
5643
5644   EL_CHAR(CHAR_BYTE_COPYRIGHT),
5645   EL_CHAR(CHAR_BYTE_UMLAUT_A),
5646   EL_CHAR(CHAR_BYTE_UMLAUT_O),
5647   EL_CHAR(CHAR_BYTE_UMLAUT_U),
5648
5649   EL_CHAR(CHAR_BYTE_DEGREE),
5650   EL_CHAR(CHAR_BYTE_REGISTERED),
5651   EL_CHAR(FONT_ASCII_CURSOR),
5652   EL_CHAR(FONT_ASCII_BUTTON),
5653
5654   EL_CHAR(FONT_ASCII_UP),
5655   EL_CHAR(FONT_ASCII_DOWN),
5656   EL_CHAR(' '),
5657   EL_CHAR(' ')
5658 };
5659 static int *editor_hl_chars_ptr = editor_hl_chars;
5660 static int *editor_el_chars_ptr = editor_el_chars;
5661 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
5662 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
5663
5664 static int editor_hl_steel_chars[] =
5665 {
5666   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
5667   EL_STEEL_CHAR('T'),
5668   EL_STEEL_CHAR('X'),
5669   EL_STEEL_CHAR('T'),
5670 };
5671
5672 static int editor_el_steel_chars[] =
5673 {
5674   EL_STEEL_CHAR(' '),
5675   EL_STEEL_CHAR('!'),
5676   EL_STEEL_CHAR('"'),
5677   EL_STEEL_CHAR('#'),
5678
5679   EL_STEEL_CHAR('$'),
5680   EL_STEEL_CHAR('%'),
5681   EL_STEEL_CHAR('&'),
5682   EL_STEEL_CHAR('\''),
5683
5684   EL_STEEL_CHAR('('),
5685   EL_STEEL_CHAR(')'),
5686   EL_STEEL_CHAR('*'),
5687   EL_STEEL_CHAR('+'),
5688
5689   EL_STEEL_CHAR(','),
5690   EL_STEEL_CHAR('-'),
5691   EL_STEEL_CHAR('.'),
5692   EL_STEEL_CHAR('/'),
5693
5694   EL_STEEL_CHAR('0'),
5695   EL_STEEL_CHAR('1'),
5696   EL_STEEL_CHAR('2'),
5697   EL_STEEL_CHAR('3'),
5698
5699   EL_STEEL_CHAR('4'),
5700   EL_STEEL_CHAR('5'),
5701   EL_STEEL_CHAR('6'),
5702   EL_STEEL_CHAR('7'),
5703
5704   EL_STEEL_CHAR('8'),
5705   EL_STEEL_CHAR('9'),
5706   EL_STEEL_CHAR(':'),
5707   EL_STEEL_CHAR(';'),
5708
5709   EL_STEEL_CHAR('<'),
5710   EL_STEEL_CHAR('='),
5711   EL_STEEL_CHAR('>'),
5712   EL_STEEL_CHAR('?'),
5713
5714   EL_STEEL_CHAR('@'),
5715   EL_STEEL_CHAR('A'),
5716   EL_STEEL_CHAR('B'),
5717   EL_STEEL_CHAR('C'),
5718
5719   EL_STEEL_CHAR('D'),
5720   EL_STEEL_CHAR('E'),
5721   EL_STEEL_CHAR('F'),
5722   EL_STEEL_CHAR('G'),
5723
5724   EL_STEEL_CHAR('H'),
5725   EL_STEEL_CHAR('I'),
5726   EL_STEEL_CHAR('J'),
5727   EL_STEEL_CHAR('K'),
5728
5729   EL_STEEL_CHAR('L'),
5730   EL_STEEL_CHAR('M'),
5731   EL_STEEL_CHAR('N'),
5732   EL_STEEL_CHAR('O'),
5733
5734   EL_STEEL_CHAR('P'),
5735   EL_STEEL_CHAR('Q'),
5736   EL_STEEL_CHAR('R'),
5737   EL_STEEL_CHAR('S'),
5738
5739   EL_STEEL_CHAR('T'),
5740   EL_STEEL_CHAR('U'),
5741   EL_STEEL_CHAR('V'),
5742   EL_STEEL_CHAR('W'),
5743
5744   EL_STEEL_CHAR('X'),
5745   EL_STEEL_CHAR('Y'),
5746   EL_STEEL_CHAR('Z'),
5747   EL_STEEL_CHAR('['),
5748
5749   EL_STEEL_CHAR('\\'),
5750   EL_STEEL_CHAR(']'),
5751   EL_STEEL_CHAR('^'),
5752   EL_STEEL_CHAR('_'),
5753
5754   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
5755   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
5756   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
5757   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
5758
5759   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
5760   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
5761   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
5762   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
5763
5764   EL_STEEL_CHAR(FONT_ASCII_UP),
5765   EL_STEEL_CHAR(FONT_ASCII_DOWN),
5766   EL_STEEL_CHAR(' '),
5767   EL_STEEL_CHAR(' ')
5768 };
5769 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
5770 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
5771 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
5772 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
5773
5774 static int editor_hl_custom[] =
5775 {
5776   EL_INTERNAL_CASCADE_CE_ACTIVE,
5777   EL_CHAR('C'),
5778   EL_CHAR('E'),
5779   EL_EMPTY,
5780 };
5781
5782 static int editor_el_custom[] =
5783 {
5784   EL_CUSTOM_START + 0,
5785   EL_CUSTOM_START + 1,
5786   EL_CUSTOM_START + 2,
5787   EL_CUSTOM_START + 3,
5788
5789   EL_CUSTOM_START + 4,
5790   EL_CUSTOM_START + 5,
5791   EL_CUSTOM_START + 6,
5792   EL_CUSTOM_START + 7,
5793
5794   EL_CUSTOM_START + 8,
5795   EL_CUSTOM_START + 9,
5796   EL_CUSTOM_START + 10,
5797   EL_CUSTOM_START + 11,
5798
5799   EL_CUSTOM_START + 12,
5800   EL_CUSTOM_START + 13,
5801   EL_CUSTOM_START + 14,
5802   EL_CUSTOM_START + 15,
5803
5804   EL_CUSTOM_START + 16,
5805   EL_CUSTOM_START + 17,
5806   EL_CUSTOM_START + 18,
5807   EL_CUSTOM_START + 19,
5808
5809   EL_CUSTOM_START + 20,
5810   EL_CUSTOM_START + 21,
5811   EL_CUSTOM_START + 22,
5812   EL_CUSTOM_START + 23,
5813
5814   EL_CUSTOM_START + 24,
5815   EL_CUSTOM_START + 25,
5816   EL_CUSTOM_START + 26,
5817   EL_CUSTOM_START + 27,
5818
5819   EL_CUSTOM_START + 28,
5820   EL_CUSTOM_START + 29,
5821   EL_CUSTOM_START + 30,
5822   EL_CUSTOM_START + 31,
5823
5824   EL_CUSTOM_START + 32,
5825   EL_CUSTOM_START + 33,
5826   EL_CUSTOM_START + 34,
5827   EL_CUSTOM_START + 35,
5828
5829   EL_CUSTOM_START + 36,
5830   EL_CUSTOM_START + 37,
5831   EL_CUSTOM_START + 38,
5832   EL_CUSTOM_START + 39,
5833
5834   EL_CUSTOM_START + 40,
5835   EL_CUSTOM_START + 41,
5836   EL_CUSTOM_START + 42,
5837   EL_CUSTOM_START + 43,
5838
5839   EL_CUSTOM_START + 44,
5840   EL_CUSTOM_START + 45,
5841   EL_CUSTOM_START + 46,
5842   EL_CUSTOM_START + 47,
5843
5844   EL_CUSTOM_START + 48,
5845   EL_CUSTOM_START + 49,
5846   EL_CUSTOM_START + 50,
5847   EL_CUSTOM_START + 51,
5848
5849   EL_CUSTOM_START + 52,
5850   EL_CUSTOM_START + 53,
5851   EL_CUSTOM_START + 54,
5852   EL_CUSTOM_START + 55,
5853
5854   EL_CUSTOM_START + 56,
5855   EL_CUSTOM_START + 57,
5856   EL_CUSTOM_START + 58,
5857   EL_CUSTOM_START + 59,
5858
5859   EL_CUSTOM_START + 60,
5860   EL_CUSTOM_START + 61,
5861   EL_CUSTOM_START + 62,
5862   EL_CUSTOM_START + 63,
5863
5864   EL_CUSTOM_START + 64,
5865   EL_CUSTOM_START + 65,
5866   EL_CUSTOM_START + 66,
5867   EL_CUSTOM_START + 67,
5868
5869   EL_CUSTOM_START + 68,
5870   EL_CUSTOM_START + 69,
5871   EL_CUSTOM_START + 70,
5872   EL_CUSTOM_START + 71,
5873
5874   EL_CUSTOM_START + 72,
5875   EL_CUSTOM_START + 73,
5876   EL_CUSTOM_START + 74,
5877   EL_CUSTOM_START + 75,
5878
5879   EL_CUSTOM_START + 76,
5880   EL_CUSTOM_START + 77,
5881   EL_CUSTOM_START + 78,
5882   EL_CUSTOM_START + 79,
5883
5884   EL_CUSTOM_START + 80,
5885   EL_CUSTOM_START + 81,
5886   EL_CUSTOM_START + 82,
5887   EL_CUSTOM_START + 83,
5888
5889   EL_CUSTOM_START + 84,
5890   EL_CUSTOM_START + 85,
5891   EL_CUSTOM_START + 86,
5892   EL_CUSTOM_START + 87,
5893
5894   EL_CUSTOM_START + 88,
5895   EL_CUSTOM_START + 89,
5896   EL_CUSTOM_START + 90,
5897   EL_CUSTOM_START + 91,
5898
5899   EL_CUSTOM_START + 92,
5900   EL_CUSTOM_START + 93,
5901   EL_CUSTOM_START + 94,
5902   EL_CUSTOM_START + 95,
5903
5904   EL_CUSTOM_START + 96,
5905   EL_CUSTOM_START + 97,
5906   EL_CUSTOM_START + 98,
5907   EL_CUSTOM_START + 99,
5908
5909   EL_CUSTOM_START + 100,
5910   EL_CUSTOM_START + 101,
5911   EL_CUSTOM_START + 102,
5912   EL_CUSTOM_START + 103,
5913
5914   EL_CUSTOM_START + 104,
5915   EL_CUSTOM_START + 105,
5916   EL_CUSTOM_START + 106,
5917   EL_CUSTOM_START + 107,
5918
5919   EL_CUSTOM_START + 108,
5920   EL_CUSTOM_START + 109,
5921   EL_CUSTOM_START + 110,
5922   EL_CUSTOM_START + 111,
5923
5924   EL_CUSTOM_START + 112,
5925   EL_CUSTOM_START + 113,
5926   EL_CUSTOM_START + 114,
5927   EL_CUSTOM_START + 115,
5928
5929   EL_CUSTOM_START + 116,
5930   EL_CUSTOM_START + 117,
5931   EL_CUSTOM_START + 118,
5932   EL_CUSTOM_START + 119,
5933
5934   EL_CUSTOM_START + 120,
5935   EL_CUSTOM_START + 121,
5936   EL_CUSTOM_START + 122,
5937   EL_CUSTOM_START + 123,
5938
5939   EL_CUSTOM_START + 124,
5940   EL_CUSTOM_START + 125,
5941   EL_CUSTOM_START + 126,
5942   EL_CUSTOM_START + 127,
5943
5944   EL_CUSTOM_START + 128,
5945   EL_CUSTOM_START + 129,
5946   EL_CUSTOM_START + 130,
5947   EL_CUSTOM_START + 131,
5948
5949   EL_CUSTOM_START + 132,
5950   EL_CUSTOM_START + 133,
5951   EL_CUSTOM_START + 134,
5952   EL_CUSTOM_START + 135,
5953
5954   EL_CUSTOM_START + 136,
5955   EL_CUSTOM_START + 137,
5956   EL_CUSTOM_START + 138,
5957   EL_CUSTOM_START + 139,
5958
5959   EL_CUSTOM_START + 140,
5960   EL_CUSTOM_START + 141,
5961   EL_CUSTOM_START + 142,
5962   EL_CUSTOM_START + 143,
5963
5964   EL_CUSTOM_START + 144,
5965   EL_CUSTOM_START + 145,
5966   EL_CUSTOM_START + 146,
5967   EL_CUSTOM_START + 147,
5968
5969   EL_CUSTOM_START + 148,
5970   EL_CUSTOM_START + 149,
5971   EL_CUSTOM_START + 150,
5972   EL_CUSTOM_START + 151,
5973
5974   EL_CUSTOM_START + 152,
5975   EL_CUSTOM_START + 153,
5976   EL_CUSTOM_START + 154,
5977   EL_CUSTOM_START + 155,
5978
5979   EL_CUSTOM_START + 156,
5980   EL_CUSTOM_START + 157,
5981   EL_CUSTOM_START + 158,
5982   EL_CUSTOM_START + 159,
5983
5984   EL_CUSTOM_START + 160,
5985   EL_CUSTOM_START + 161,
5986   EL_CUSTOM_START + 162,
5987   EL_CUSTOM_START + 163,
5988
5989   EL_CUSTOM_START + 164,
5990   EL_CUSTOM_START + 165,
5991   EL_CUSTOM_START + 166,
5992   EL_CUSTOM_START + 167,
5993
5994   EL_CUSTOM_START + 168,
5995   EL_CUSTOM_START + 169,
5996   EL_CUSTOM_START + 170,
5997   EL_CUSTOM_START + 171,
5998
5999   EL_CUSTOM_START + 172,
6000   EL_CUSTOM_START + 173,
6001   EL_CUSTOM_START + 174,
6002   EL_CUSTOM_START + 175,
6003
6004   EL_CUSTOM_START + 176,
6005   EL_CUSTOM_START + 177,
6006   EL_CUSTOM_START + 178,
6007   EL_CUSTOM_START + 179,
6008
6009   EL_CUSTOM_START + 180,
6010   EL_CUSTOM_START + 181,
6011   EL_CUSTOM_START + 182,
6012   EL_CUSTOM_START + 183,
6013
6014   EL_CUSTOM_START + 184,
6015   EL_CUSTOM_START + 185,
6016   EL_CUSTOM_START + 186,
6017   EL_CUSTOM_START + 187,
6018
6019   EL_CUSTOM_START + 188,
6020   EL_CUSTOM_START + 189,
6021   EL_CUSTOM_START + 190,
6022   EL_CUSTOM_START + 191,
6023
6024   EL_CUSTOM_START + 192,
6025   EL_CUSTOM_START + 193,
6026   EL_CUSTOM_START + 194,
6027   EL_CUSTOM_START + 195,
6028
6029   EL_CUSTOM_START + 196,
6030   EL_CUSTOM_START + 197,
6031   EL_CUSTOM_START + 198,
6032   EL_CUSTOM_START + 199,
6033
6034   EL_CUSTOM_START + 200,
6035   EL_CUSTOM_START + 201,
6036   EL_CUSTOM_START + 202,
6037   EL_CUSTOM_START + 203,
6038
6039   EL_CUSTOM_START + 204,
6040   EL_CUSTOM_START + 205,
6041   EL_CUSTOM_START + 206,
6042   EL_CUSTOM_START + 207,
6043
6044   EL_CUSTOM_START + 208,
6045   EL_CUSTOM_START + 209,
6046   EL_CUSTOM_START + 210,
6047   EL_CUSTOM_START + 211,
6048
6049   EL_CUSTOM_START + 212,
6050   EL_CUSTOM_START + 213,
6051   EL_CUSTOM_START + 214,
6052   EL_CUSTOM_START + 215,
6053
6054   EL_CUSTOM_START + 216,
6055   EL_CUSTOM_START + 217,
6056   EL_CUSTOM_START + 218,
6057   EL_CUSTOM_START + 219,
6058
6059   EL_CUSTOM_START + 220,
6060   EL_CUSTOM_START + 221,
6061   EL_CUSTOM_START + 222,
6062   EL_CUSTOM_START + 223,
6063
6064   EL_CUSTOM_START + 224,
6065   EL_CUSTOM_START + 225,
6066   EL_CUSTOM_START + 226,
6067   EL_CUSTOM_START + 227,
6068
6069   EL_CUSTOM_START + 228,
6070   EL_CUSTOM_START + 229,
6071   EL_CUSTOM_START + 230,
6072   EL_CUSTOM_START + 231,
6073
6074   EL_CUSTOM_START + 232,
6075   EL_CUSTOM_START + 233,
6076   EL_CUSTOM_START + 234,
6077   EL_CUSTOM_START + 235,
6078
6079   EL_CUSTOM_START + 236,
6080   EL_CUSTOM_START + 237,
6081   EL_CUSTOM_START + 238,
6082   EL_CUSTOM_START + 239,
6083
6084   EL_CUSTOM_START + 240,
6085   EL_CUSTOM_START + 241,
6086   EL_CUSTOM_START + 242,
6087   EL_CUSTOM_START + 243,
6088
6089   EL_CUSTOM_START + 244,
6090   EL_CUSTOM_START + 245,
6091   EL_CUSTOM_START + 246,
6092   EL_CUSTOM_START + 247,
6093
6094   EL_CUSTOM_START + 248,
6095   EL_CUSTOM_START + 249,
6096   EL_CUSTOM_START + 250,
6097   EL_CUSTOM_START + 251,
6098
6099   EL_CUSTOM_START + 252,
6100   EL_CUSTOM_START + 253,
6101   EL_CUSTOM_START + 254,
6102   EL_CUSTOM_START + 255
6103 };
6104 static int *editor_hl_custom_ptr = editor_hl_custom;
6105 static int *editor_el_custom_ptr = editor_el_custom;
6106 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
6107 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
6108
6109 static int editor_hl_group[] =
6110 {
6111   EL_INTERNAL_CASCADE_GE_ACTIVE,
6112   EL_CHAR('G'),
6113   EL_CHAR('E'),
6114   EL_EMPTY,
6115 };
6116
6117 static int editor_el_group[] =
6118 {
6119   EL_GROUP_START + 0,
6120   EL_GROUP_START + 1,
6121   EL_GROUP_START + 2,
6122   EL_GROUP_START + 3,
6123
6124   EL_GROUP_START + 4,
6125   EL_GROUP_START + 5,
6126   EL_GROUP_START + 6,
6127   EL_GROUP_START + 7,
6128
6129   EL_GROUP_START + 8,
6130   EL_GROUP_START + 9,
6131   EL_GROUP_START + 10,
6132   EL_GROUP_START + 11,
6133
6134   EL_GROUP_START + 12,
6135   EL_GROUP_START + 13,
6136   EL_GROUP_START + 14,
6137   EL_GROUP_START + 15,
6138
6139   EL_GROUP_START + 16,
6140   EL_GROUP_START + 17,
6141   EL_GROUP_START + 18,
6142   EL_GROUP_START + 19,
6143
6144   EL_GROUP_START + 20,
6145   EL_GROUP_START + 21,
6146   EL_GROUP_START + 22,
6147   EL_GROUP_START + 23,
6148
6149   EL_GROUP_START + 24,
6150   EL_GROUP_START + 25,
6151   EL_GROUP_START + 26,
6152   EL_GROUP_START + 27,
6153
6154   EL_GROUP_START + 28,
6155   EL_GROUP_START + 29,
6156   EL_GROUP_START + 30,
6157   EL_GROUP_START + 31
6158 };
6159 static int *editor_hl_group_ptr = editor_hl_group;
6160 static int *editor_el_group_ptr = editor_el_group;
6161 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
6162 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
6163
6164 static int editor_hl_empty_space[] =
6165 {
6166   EL_INTERNAL_CASCADE_ES_ACTIVE,
6167   EL_CHAR('E'),
6168   EL_CHAR('S'),
6169   EL_EMPTY,
6170 };
6171
6172 static int editor_el_empty_space[] =
6173 {
6174   EL_EMPTY_SPACE_1,
6175   EL_EMPTY_SPACE_2,
6176   EL_EMPTY_SPACE_3,
6177   EL_EMPTY_SPACE_4,
6178
6179   EL_EMPTY_SPACE_5,
6180   EL_EMPTY_SPACE_6,
6181   EL_EMPTY_SPACE_7,
6182   EL_EMPTY_SPACE_8,
6183
6184   EL_EMPTY_SPACE_9,
6185   EL_EMPTY_SPACE_10,
6186   EL_EMPTY_SPACE_11,
6187   EL_EMPTY_SPACE_12,
6188
6189   EL_EMPTY_SPACE_13,
6190   EL_EMPTY_SPACE_14,
6191   EL_EMPTY_SPACE_15,
6192   EL_EMPTY_SPACE_16
6193 };
6194 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
6195 static int *editor_el_empty_space_ptr = editor_el_empty_space;
6196 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
6197 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
6198
6199 static int editor_hl_reference[] =
6200 {
6201   EL_INTERNAL_CASCADE_REF_ACTIVE,
6202   EL_CHAR('R'),
6203   EL_CHAR('E'),
6204   EL_CHAR('F')
6205 };
6206
6207 static int editor_el_reference[] =
6208 {
6209   EL_TRIGGER_PLAYER,
6210   EL_TRIGGER_ELEMENT,
6211   EL_TRIGGER_CE_VALUE,
6212   EL_TRIGGER_CE_SCORE,
6213
6214   EL_SELF,
6215   EL_ANY_ELEMENT,
6216   EL_CURRENT_CE_VALUE,
6217   EL_CURRENT_CE_SCORE,
6218
6219   EL_PREV_CE_8,
6220   EL_PREV_CE_7,
6221   EL_PREV_CE_6,
6222   EL_PREV_CE_5,
6223
6224   EL_PREV_CE_4,
6225   EL_PREV_CE_3,
6226   EL_PREV_CE_2,
6227   EL_PREV_CE_1,
6228
6229   EL_NEXT_CE_1,
6230   EL_NEXT_CE_2,
6231   EL_NEXT_CE_3,
6232   EL_NEXT_CE_4,
6233
6234   EL_NEXT_CE_5,
6235   EL_NEXT_CE_6,
6236   EL_NEXT_CE_7,
6237   EL_NEXT_CE_8,
6238 };
6239 static int *editor_hl_reference_ptr = editor_hl_reference;
6240 static int *editor_el_reference_ptr = editor_el_reference;
6241 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6242 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6243
6244 static int editor_hl_user_defined[] =
6245 {
6246   EL_INTERNAL_CASCADE_USER_ACTIVE,
6247   EL_CHAR('M'),
6248   EL_CHAR('Y'),
6249   EL_EMPTY,
6250 };
6251
6252 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6253 static int *editor_el_user_defined_ptr = NULL;
6254 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6255 static int num_editor_el_user_defined = 0;
6256
6257 static int editor_hl_dynamic[] =
6258 {
6259   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6260   EL_CHAR('U'),
6261   EL_CHAR('S'),
6262   EL_CHAR('E'),
6263 };
6264
6265 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6266 static int *editor_el_dynamic_ptr = NULL;
6267 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6268 static int num_editor_el_dynamic = 0;
6269
6270 static int editor_hl_empty[] = { EL_EMPTY };
6271 static int *editor_el_empty = NULL;     // dynamically allocated
6272
6273 static int *editor_hl_empty_ptr = editor_hl_empty;
6274 static int *editor_el_empty_ptr = NULL;
6275 static int num_editor_hl_empty = 0;
6276 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6277
6278 static boolean use_el_empty = FALSE;
6279
6280 static int *editor_elements = NULL;     // dynamically allocated
6281 static int num_editor_elements = 0;     // dynamically determined
6282
6283 static boolean setup_editor_cascade_never = FALSE;
6284
6285 static boolean setup_editor_el_players                  = TRUE;
6286 static boolean setup_editor_el_boulderdash              = TRUE;
6287 static boolean setup_editor_el_boulderdash_native       = TRUE;
6288 static boolean setup_editor_el_emerald_mine             = TRUE;
6289 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6290 static boolean setup_editor_el_more                     = TRUE;
6291 static boolean setup_editor_el_sokoban                  = TRUE;
6292 static boolean setup_editor_el_supaplex                 = TRUE;
6293 static boolean setup_editor_el_diamond_caves            = TRUE;
6294 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6295 static boolean setup_editor_el_mirror_magic             = TRUE;
6296 static boolean setup_editor_el_deflektor                = TRUE;
6297 static boolean setup_editor_el_chars                    = TRUE;
6298 static boolean setup_editor_el_steel_chars              = TRUE;
6299 static boolean setup_editor_el_custom                   = TRUE;
6300 static boolean setup_editor_el_user_defined             = TRUE;
6301 static boolean setup_editor_el_dynamic                  = TRUE;
6302
6303 static int editor_hl_unused[] = { EL_EMPTY };
6304 static int *editor_hl_unused_ptr = editor_hl_unused;
6305 static int num_editor_hl_unused = 0;
6306
6307 static struct
6308 {
6309   boolean *setup_value;
6310   boolean *setup_cascade_value;
6311
6312   int **headline_list;
6313   int *headline_list_size;
6314
6315   int **element_list;
6316   int *element_list_size;
6317
6318   boolean last_setup_value;
6319 }
6320 editor_elements_info[] =
6321 {
6322   {
6323     &setup_editor_el_players,
6324     &setup_editor_cascade_never,
6325     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6326     &editor_el_players_ptr,             &num_editor_el_players
6327   },
6328   {
6329     &setup_editor_el_boulderdash,
6330     &setup.editor_cascade.el_bd,
6331     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6332     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6333   },
6334   {
6335     &setup_editor_el_boulderdash_native,
6336     &setup.editor_cascade.el_bd_native,
6337     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6338     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6339   },
6340   {
6341     &setup_editor_el_emerald_mine,
6342     &setup.editor_cascade.el_em,
6343     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6344     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6345   },
6346   {
6347     &setup_editor_el_emerald_mine_club,
6348     &setup.editor_cascade.el_emc,
6349     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6350     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6351   },
6352   {
6353     &setup_editor_el_more,
6354     &setup.editor_cascade.el_rnd,
6355     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6356     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6357   },
6358   {
6359     &setup_editor_el_sokoban,
6360     &setup.editor_cascade.el_sb,
6361     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6362     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6363   },
6364   {
6365     &setup_editor_el_supaplex,
6366     &setup.editor_cascade.el_sp,
6367     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6368     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6369   },
6370   {
6371     &setup_editor_el_diamond_caves,
6372     &setup.editor_cascade.el_dc,
6373     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6374     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6375   },
6376   {
6377     &setup_editor_el_dx_boulderdash,
6378     &setup.editor_cascade.el_dx,
6379     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6380     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6381   },
6382   {
6383     &setup_editor_el_mirror_magic,
6384     &setup.editor_cascade.el_mm,
6385     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6386     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6387   },
6388   {
6389     &setup_editor_el_deflektor,
6390     &setup.editor_cascade.el_df,
6391     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6392     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6393   },
6394   {
6395     &setup_editor_el_chars,
6396     &setup.editor_cascade.el_chars,
6397     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6398     &editor_el_chars_ptr,               &num_editor_el_chars
6399   },
6400   {
6401     &setup_editor_el_steel_chars,
6402     &setup.editor_cascade.el_steel_chars,
6403     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6404     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6405   },
6406   {
6407     &setup_editor_el_custom,
6408     &setup.editor_cascade.el_ce,
6409     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6410     &editor_el_custom_ptr,              &num_editor_el_custom
6411   },
6412   {
6413     &setup_editor_el_custom,
6414     &setup.editor_cascade.el_ge,
6415     &editor_hl_group_ptr,               &num_editor_hl_group,
6416     &editor_el_group_ptr,               &num_editor_el_group
6417   },
6418   {
6419     &setup_editor_el_custom,
6420     &setup.editor_cascade.el_es,
6421     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6422     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6423   },
6424   {
6425     &setup_editor_el_custom,
6426     &setup.editor_cascade.el_ref,
6427     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6428     &editor_el_reference_ptr,           &num_editor_el_reference
6429   },
6430   {
6431     &setup_editor_el_user_defined,
6432     &setup.editor_cascade.el_user,
6433     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6434     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6435   },
6436   {
6437     &setup_editor_el_dynamic,
6438     &setup.editor_cascade.el_dynamic,
6439     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6440     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6441   },
6442   {
6443     &use_el_empty,
6444     &use_el_empty,
6445     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6446     &editor_el_empty_ptr,               &num_editor_el_empty,
6447   },
6448   {
6449     NULL,
6450     NULL,
6451     NULL,                               NULL,
6452     NULL,                               NULL
6453   }
6454 };
6455
6456 static struct XY xy_directions[] =
6457 {
6458   { -1,  0 },
6459   { +1,  0 },
6460   {  0, -1 },
6461   {  0, +1 }
6462 };
6463
6464
6465 // ----------------------------------------------------------------------------
6466 // functions
6467 // ----------------------------------------------------------------------------
6468
6469 static int getMaxInfoTextLength(void)
6470 {
6471   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6472 }
6473
6474 static int getTextWidthForGadget(char *text)
6475 {
6476   if (text == NULL)
6477     return 0;
6478
6479   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6480 }
6481
6482 static int getTextWidthForDrawingArea(char *text)
6483 {
6484   if (text == NULL)
6485     return 0;
6486
6487   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
6488 }
6489
6490 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6491 {
6492   return (gi->x + gi->width + getTextWidthForGadget(text));
6493 }
6494
6495 static char *getElementInfoText(int element)
6496 {
6497   char *info_text = NULL;
6498
6499   if (element < MAX_NUM_ELEMENTS)
6500   {
6501     if (strlen(element_info[element].description) > 0)
6502       info_text = element_info[element].description;
6503     else if (element_info[element].custom_description != NULL)
6504       info_text = element_info[element].custom_description;
6505     else if (element_info[element].editor_description != NULL)
6506       info_text = element_info[element].editor_description;
6507   }
6508
6509   if (info_text == NULL)
6510     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6511
6512   return info_text;
6513 }
6514
6515 static char *getElementDescriptionFilenameExt(char *basename)
6516 {
6517   char *elements_subdir = ELEMENTS_DIRECTORY;
6518   static char *elements_subdir2 = NULL;
6519   static char *filename = NULL;
6520
6521   if (elements_subdir2 == NULL)
6522     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6523
6524   checked_free(filename);
6525
6526   // 1st try: look for element description in current level set directory
6527   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6528   if (fileExists(filename))
6529     return filename;
6530
6531   free(filename);
6532
6533   // 2nd try: look for element description in the game's base directory
6534   filename = getPath3(options.docs_directory, elements_subdir, basename);
6535   if (fileExists(filename))
6536     return filename;
6537
6538   return NULL;
6539 }
6540
6541 static char *getElementDescriptionFilename(int element)
6542 {
6543   char basename[MAX_FILENAME_LEN];
6544   char *filename;
6545
6546   // 1st try: look for element description file for exactly this element
6547   sprintf(basename, "%s.txt", element_info[element].token_name);
6548   filename = getElementDescriptionFilenameExt(basename);
6549   if (filename != NULL)
6550     return filename;
6551
6552   // 2nd try: look for element description file for this element's class
6553   sprintf(basename, "%s.txt", element_info[element].class_name);
6554   filename = getElementDescriptionFilenameExt(basename);
6555   if (filename != NULL)
6556     return filename;
6557
6558   // 3rd try: look for generic fallback text file for any element
6559   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6560   if (filename != NULL)
6561     return filename;
6562
6563   return NULL;
6564 }
6565
6566 static boolean suppressBorderElement(void)
6567 {
6568   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6569           lev_fieldx <= MAX_ED_FIELDX &&
6570           lev_fieldy <= MAX_ED_FIELDY);
6571 }
6572
6573 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6574 {
6575   boolean element_found[NUM_FILE_ELEMENTS];
6576   int i, x, y;
6577
6578   // initialize list of used elements to "not used"
6579   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6580     element_found[i] = FALSE;
6581
6582   // find all elements used in current level
6583   for (y = 0; y < lev_fieldy; y++)
6584   {
6585     for (x = 0; x < lev_fieldx; x++)
6586     {
6587       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
6588         continue;
6589
6590       if (IS_MM_WALL(Tile[x][y]))
6591         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
6592       else
6593         element_found[Tile[x][y]] = TRUE;
6594     }
6595   }
6596
6597   *num_elements = 0;
6598
6599   // count number of elements used in current level
6600   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6601     if (element_found[i])
6602       (*num_elements)++;
6603
6604   // add space for up to 3 more elements for padding that may be needed
6605   *num_elements += 3;
6606
6607   // free memory for old list of elements, if needed
6608   checked_free(*elements);
6609
6610   // allocate memory for new list of elements
6611   *elements = checked_malloc(*num_elements * sizeof(int));
6612
6613   *num_elements = 0;
6614
6615   // add all elements used in current level (non-custom/group/empty elements)
6616   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6617     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
6618                               IS_GROUP_ELEMENT(i) ||
6619                               IS_EMPTY_ELEMENT(i)))
6620       (*elements)[(*num_elements)++] = i;
6621
6622   // add all elements used in current level (custom/group/empty elements)
6623   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6624     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
6625                              IS_GROUP_ELEMENT(i) ||
6626                              IS_EMPTY_ELEMENT(i)))
6627       (*elements)[(*num_elements)++] = i;
6628
6629   while (*num_elements % 4)     // pad with empty elements, if needed
6630     (*elements)[(*num_elements)++] = EL_EMPTY;
6631 }
6632
6633 static void ReinitializeElementList_EnableSections(void)
6634 {
6635   // default: enable all element sections
6636
6637   setup_editor_el_players               = TRUE;
6638   setup_editor_el_boulderdash           = TRUE;
6639   setup_editor_el_boulderdash_native    = TRUE;
6640   setup_editor_el_emerald_mine          = TRUE;
6641   setup_editor_el_emerald_mine_club     = TRUE;
6642   setup_editor_el_more                  = TRUE;
6643   setup_editor_el_sokoban               = TRUE;
6644   setup_editor_el_supaplex              = TRUE;
6645   setup_editor_el_diamond_caves         = TRUE;
6646   setup_editor_el_dx_boulderdash        = TRUE;
6647   setup_editor_el_mirror_magic          = TRUE;
6648   setup_editor_el_deflektor             = TRUE;
6649   setup_editor_el_chars                 = TRUE;
6650   setup_editor_el_steel_chars           = TRUE;
6651
6652   setup_editor_el_custom                = TRUE;
6653   setup_editor_el_user_defined          = TRUE;
6654   setup_editor_el_dynamic               = TRUE;
6655
6656   // now disable all element sections not to be displayed
6657
6658   if (!setup.editor.el_classic)
6659   {
6660     setup_editor_el_players             = FALSE;
6661     setup_editor_el_boulderdash         = FALSE;
6662     setup_editor_el_boulderdash_native  = FALSE;
6663     setup_editor_el_emerald_mine        = FALSE;
6664     setup_editor_el_emerald_mine_club   = FALSE;
6665     setup_editor_el_more                = FALSE;
6666     setup_editor_el_sokoban             = FALSE;
6667     setup_editor_el_supaplex            = FALSE;
6668     setup_editor_el_diamond_caves       = FALSE;
6669     setup_editor_el_dx_boulderdash      = FALSE;
6670     setup_editor_el_mirror_magic        = FALSE;
6671     setup_editor_el_deflektor           = FALSE;
6672     setup_editor_el_chars               = FALSE;
6673     setup_editor_el_steel_chars         = FALSE;
6674   }
6675
6676   if (!setup.editor.el_custom)
6677   {
6678     setup_editor_el_custom              = FALSE;
6679   }
6680
6681   if (!setup.editor.el_user_defined)
6682   {
6683     setup_editor_el_user_defined        = FALSE;
6684   }
6685
6686   if (!setup.editor.el_dynamic)
6687   {
6688     setup_editor_el_dynamic             = FALSE;
6689   }
6690
6691   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
6692   {
6693     setup_editor_el_boulderdash_native  = FALSE;
6694     setup_editor_el_mirror_magic        = FALSE;
6695     setup_editor_el_deflektor           = FALSE;
6696   }
6697   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
6698   {
6699     setup_editor_el_players             = FALSE;
6700     setup_editor_el_boulderdash         = FALSE;
6701     setup_editor_el_emerald_mine        = FALSE;
6702     setup_editor_el_emerald_mine_club   = FALSE;
6703     setup_editor_el_more                = FALSE;
6704     setup_editor_el_sokoban             = FALSE;
6705     setup_editor_el_supaplex            = FALSE;
6706     setup_editor_el_diamond_caves       = FALSE;
6707     setup_editor_el_dx_boulderdash      = FALSE;
6708     setup_editor_el_mirror_magic        = FALSE;
6709     setup_editor_el_deflektor           = FALSE;
6710     setup_editor_el_chars               = FALSE;
6711     setup_editor_el_steel_chars         = FALSE;
6712
6713     setup_editor_el_custom              = FALSE;
6714   }
6715   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
6716   {
6717     setup_editor_el_boulderdash         = FALSE;
6718     setup_editor_el_boulderdash_native  = FALSE;
6719     setup_editor_el_more                = FALSE;
6720     setup_editor_el_sokoban             = FALSE;
6721     setup_editor_el_supaplex            = FALSE;
6722     setup_editor_el_diamond_caves       = FALSE;
6723     setup_editor_el_dx_boulderdash      = FALSE;
6724     setup_editor_el_mirror_magic        = FALSE;
6725     setup_editor_el_deflektor           = FALSE;
6726     setup_editor_el_steel_chars         = FALSE;
6727
6728     setup_editor_el_custom              = FALSE;
6729   }
6730   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
6731   {
6732     setup_editor_el_players             = FALSE;
6733     setup_editor_el_boulderdash         = FALSE;
6734     setup_editor_el_boulderdash_native  = FALSE;
6735     setup_editor_el_emerald_mine        = FALSE;
6736     setup_editor_el_emerald_mine_club   = FALSE;
6737     setup_editor_el_more                = FALSE;
6738     setup_editor_el_sokoban             = FALSE;
6739     setup_editor_el_diamond_caves       = FALSE;
6740     setup_editor_el_dx_boulderdash      = FALSE;
6741     setup_editor_el_mirror_magic        = FALSE;
6742     setup_editor_el_deflektor           = FALSE;
6743     setup_editor_el_chars               = FALSE;
6744     setup_editor_el_steel_chars         = FALSE;
6745
6746     setup_editor_el_custom              = FALSE;
6747   }
6748   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
6749   {
6750     setup_editor_el_players             = FALSE;
6751     setup_editor_el_boulderdash         = FALSE;
6752     setup_editor_el_boulderdash_native  = FALSE;
6753     setup_editor_el_emerald_mine        = FALSE;
6754     setup_editor_el_emerald_mine_club   = FALSE;
6755     setup_editor_el_more                = FALSE;
6756     setup_editor_el_sokoban             = FALSE;
6757     setup_editor_el_supaplex            = FALSE;
6758     setup_editor_el_diamond_caves       = FALSE;
6759     setup_editor_el_dx_boulderdash      = FALSE;
6760     setup_editor_el_steel_chars         = FALSE;
6761
6762     setup_editor_el_custom              = FALSE;
6763   }
6764 }
6765
6766 static void ReinitializeElementList(void)
6767 {
6768   static boolean initialization_needed = TRUE;
6769   int pos = 0;
6770   int i, j;
6771
6772   ReinitializeElementList_EnableSections();
6773
6774   if (initialization_needed)
6775   {
6776     LoadSetup_EditorCascade();          // load last editor cascade state
6777
6778     // initialize editor cascade element from saved cascade state
6779     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6780     {
6781       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
6782       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
6783
6784       if (IS_EDITOR_CASCADE(*cascade_element))
6785         *cascade_element =
6786           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
6787            EL_CASCADE_INACTIVE(*cascade_element));
6788     }
6789
6790     initialization_needed = FALSE;
6791   }
6792
6793   checked_free(editor_elements);
6794
6795   // reload optional user defined element list for each invocation of editor
6796   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
6797                                    &num_editor_el_user_defined);
6798
6799   // initialize dynamic level element list for each invocation of editor
6800   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
6801                                &num_editor_el_dynamic);
6802
6803   // initialize list of empty elements (used for padding, if needed)
6804   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6805     editor_el_empty[i] = EL_EMPTY;
6806
6807   // do some sanity checks for each element from element list
6808   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6809   {
6810     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6811     {
6812       int element = (*editor_elements_info[i].element_list)[j];
6813
6814       if (element >= NUM_FILE_ELEMENTS)
6815         Warn("editor element %d is runtime element", element);
6816
6817       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
6818         Warn("no element description text for element %d", element);
6819     }
6820   }
6821
6822   num_editor_elements = 0;
6823   use_el_empty = FALSE;
6824
6825   // determine size of element list
6826   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6827   {
6828     if (*editor_elements_info[i].setup_value)
6829     {
6830       boolean found_inactive_cascade = FALSE;
6831
6832       if (setup.editor.el_headlines)
6833       {
6834         // required for correct padding of palette headline buttons
6835         if (*editor_elements_info[i].headline_list_size > 0)
6836           num_editor_elements += ED_ELEMENTLIST_COLS;
6837
6838         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6839         {
6840           int element = (*editor_elements_info[i].headline_list)[j];
6841
6842           if (IS_EDITOR_CASCADE_INACTIVE(element))
6843             found_inactive_cascade = TRUE;
6844         }
6845       }
6846
6847       if (found_inactive_cascade)
6848         continue;
6849
6850       // required for correct padding of palette element buttons
6851       int element_list_size = *editor_elements_info[i].element_list_size;
6852       int element_rows =
6853         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6854       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6855
6856       num_editor_elements += element_buttons;
6857     }
6858   }
6859
6860   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
6861   {
6862     // offer at least as many elements as element buttons exist
6863     use_el_empty = TRUE;
6864     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
6865
6866     num_editor_elements += num_editor_el_empty;
6867   }
6868   else
6869   {
6870     num_editor_el_empty = 0;
6871   }
6872
6873   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
6874
6875   // fill element list
6876   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6877   {
6878     boolean found_inactive_cascade = FALSE;
6879
6880     if (*editor_elements_info[i].setup_value)
6881     {
6882       if (setup.editor.el_headlines)
6883       {
6884         // required for correct padding of palette headline buttons
6885         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
6886                              ED_ELEMENTLIST_COLS : 0);
6887
6888         for (j = 0; j < headline_size; j++)
6889         {
6890           // use empty elements for padding of palette headline buttons
6891           int element = (j < *editor_elements_info[i].headline_list_size ?
6892                          (*editor_elements_info[i].headline_list)[j] :
6893                          editor_el_empty[0]);
6894
6895           editor_elements[pos++] = element;
6896
6897           if (IS_EDITOR_CASCADE_INACTIVE(element))
6898             found_inactive_cascade = TRUE;
6899         }
6900       }
6901
6902       if (found_inactive_cascade)
6903         continue;
6904
6905       // required for correct padding of palette element buttons
6906       int element_list_size = *editor_elements_info[i].element_list_size;
6907       int element_rows =
6908         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6909       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6910
6911       // copy all elements from element list
6912       for (j = 0; j < element_list_size; j++)
6913         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
6914
6915       // use empty elements for padding of palette element buttons
6916       for (j = 0; j < element_buttons - element_list_size; j++)
6917         editor_elements[pos++] = editor_el_empty[0];
6918     }
6919   }
6920
6921   // (this function is also called before editor gadgets are initialized!)
6922   AdjustElementListScrollbar();
6923 }
6924
6925 void PrintEditorElementList(void)
6926 {
6927   boolean *stop = &setup_editor_el_user_defined;
6928   int i, j;
6929
6930   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
6931   {
6932     int cascade_element = (*editor_elements_info[i].headline_list)[0];
6933
6934     if (IS_EDITOR_CASCADE(cascade_element))
6935     {
6936       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
6937       char *headline = element_info[cascade_element_show].editor_description;
6938
6939       PrintLineWithPrefix("# ", "-", 77);
6940       Print("# %s\n", headline);
6941       PrintLineWithPrefix("# ", "-", 77);
6942     }
6943
6944     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6945     {
6946       int element = (*editor_elements_info[i].headline_list)[j];
6947
6948       if (IS_EDITOR_CASCADE(element))
6949         element = EL_CHAR_MINUS;
6950
6951       Print("# %s\n", element_info[element].token_name);
6952     }
6953
6954     if (j > 0)
6955       Print("#\n");
6956
6957     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6958     {
6959       int element = (*editor_elements_info[i].element_list)[j];
6960
6961       Print("# %s\n", element_info[element].token_name);
6962     }
6963
6964     if (j > 0)
6965       Print("#\n");
6966   }
6967 }
6968
6969 static void ReinitializeElementListButtons(void)
6970 {
6971   static boolean last_setup_value_headlines = FALSE;
6972   static boolean initialization_needed = TRUE;
6973   int i;
6974
6975   if (!initialization_needed)   // check if editor element setup has changed
6976   {
6977     if (last_setup_value_headlines != setup.editor.el_headlines)
6978       initialization_needed = TRUE;
6979
6980     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6981       if (editor_elements_info[i].last_setup_value !=
6982           *editor_elements_info[i].setup_value)
6983         initialization_needed = TRUE;
6984   }
6985
6986   if (!initialization_needed)
6987     return;
6988
6989   FreeLevelEditorGadgets();
6990   CreateLevelEditorGadgets();
6991
6992   // store current setup values for next invocation of this function
6993   last_setup_value_headlines = setup.editor.el_headlines;
6994   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6995     editor_elements_info[i].last_setup_value =
6996       *editor_elements_info[i].setup_value;
6997
6998   initialization_needed = FALSE;
6999 }
7000
7001 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7002                               boolean input)
7003 {
7004   int border_graphic =
7005     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7006   struct GraphicInfo *g = &graphic_info[border_graphic];
7007   Bitmap *src_bitmap = g->bitmap;
7008   int src_x = g->src_x;
7009   int src_y = g->src_y;
7010   int border_size = g->border_size;
7011   int border_xpos = g->width  - border_size;
7012   int border_ypos = g->height - border_size;
7013   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7014   int i;
7015
7016   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7017              border_size, border_size,
7018              dest_x - border_size, dest_y - border_size);
7019   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7020              border_size, border_size,
7021              dest_x + width, dest_y - border_size);
7022   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7023              border_size, border_size,
7024              dest_x - border_size, dest_y + height);
7025   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7026              border_size, border_size,
7027              dest_x + width, dest_y + height);
7028
7029   for (i = 0; i < width / tilesize; i++)
7030   {
7031     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7032                tilesize, border_size,
7033                dest_x + i * tilesize, dest_y - border_size);
7034     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7035                tilesize, border_size,
7036                dest_x + i * tilesize, dest_y + height);
7037   }
7038
7039   for (i = 0; i < height / tilesize; i++)
7040   {
7041     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7042                border_size, tilesize,
7043                dest_x - border_size, dest_y + i * tilesize);
7044     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7045                border_size, tilesize,
7046                dest_x + width, dest_y + i * tilesize);
7047   }
7048
7049   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7050 }
7051
7052 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7053 {
7054   int xsize_tile = MAX(ed_tilesize, xsize);
7055   int ysize_tile = MAX(ed_tilesize, ysize);
7056   int xsize_full = xsize + 1;
7057   int ysize_full = ysize + 1;
7058   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7059   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7060   Pixel line_color = getTabulatorBarColor();
7061
7062   if (line_color == BLACK_PIXEL)                // black => transparent
7063     return;
7064
7065   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7066   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7067   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7068 }
7069
7070 static void DrawEditorLevelBorderLinesIfNeeded(void)
7071 {
7072   int xsize = lev_fieldx * ed_tilesize;
7073   int ysize = lev_fieldy * ed_tilesize;
7074   int line_size = getTabulatorBarHeight();
7075
7076   if (!suppressBorderElement())
7077     return;
7078
7079   // draw little border line around editable level playfield
7080
7081   if (xsize < SXSIZE)
7082     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
7083
7084   if (ysize < SYSIZE)
7085     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
7086
7087   if (xsize < SXSIZE && ysize < SYSIZE)
7088     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
7089 }
7090
7091 static void DrawEditorElement(int x, int y, int element)
7092 {
7093   DrawSizedElement(x, y, element, ed_tilesize);
7094 }
7095
7096 static void DrawEditorElementThruMask(int x, int y, int element)
7097 {
7098   DrawSizedElementThruMask(x, y, element, ed_tilesize);
7099 }
7100
7101 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
7102 {
7103   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
7104 }
7105
7106 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
7107 {
7108   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
7109   DrawEditorLevelBorderLinesIfNeeded();
7110 }
7111
7112 static void DrawDrawingArea(int id)
7113 {
7114   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7115   int x, y;
7116
7117   int *value = drawingarea_info[id].value;
7118   int area_xsize = drawingarea_info[id].area_xsize;
7119   int area_ysize = drawingarea_info[id].area_ysize;
7120   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7121
7122   for (x = 0; x < area_xsize; x++)
7123     for (y = 0; y < area_ysize; y++)
7124       DrawSizedGraphicExt(drawto,
7125                           gi->x + x * tilesize,
7126                           gi->y + y * tilesize,
7127                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
7128 }
7129
7130 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
7131 {
7132   int x, y;
7133   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
7134   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
7135
7136   BlitBitmap(drawto, drawto,
7137              SX + (dx == -1 ? ed_tilesize : 0),
7138              SY + (dy == -1 ? ed_tilesize : 0),
7139              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
7140              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
7141              SX + (dx == +1 ? ed_tilesize : 0),
7142              SY + (dy == +1 ? ed_tilesize : 0));
7143
7144   if (dx)
7145   {
7146     x = (dx == 1 ? 0 : ed_fieldx - 1);
7147     for (y = 0; y < ed_fieldy; y++)
7148       DrawEditorElementOrWall(x, y, from_x, from_y);
7149   }
7150   else if (dy)
7151   {
7152     y = (dy == 1 ? 0 : ed_fieldy - 1);
7153     for (x = 0; x < ed_fieldx; x++)
7154       DrawEditorElementOrWall(x, y, from_x, from_y);
7155   }
7156
7157   redraw_mask |= REDRAW_FIELD;
7158   BackToFront();
7159 }
7160
7161 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7162                                    int *x, int *y)
7163 {
7164   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
7165 }
7166
7167 static void CreateControlButtons(void)
7168 {
7169   struct GadgetInfo *gi;
7170   int i;
7171
7172   // create toolbox buttons
7173   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7174   {
7175     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7176     int id = controlbutton_info[i].gadget_id;
7177     int type = controlbutton_info[i].gadget_type;
7178     int graphic = controlbutton_info[i].graphic;
7179     struct XYTileSize *pos = controlbutton_info[i].pos;
7180     struct GraphicInfo *gd = &graphic_info[graphic];
7181     Bitmap *deco_bitmap = NULL;
7182     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7183     int tile_size = 0, deco_shift = 0;
7184     boolean deco_masked = FALSE;
7185     int gd_x1 = gd->src_x;
7186     int gd_y1 = gd->src_y;
7187     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7188     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7189     int gd_x1a = gd->src_x + gd->active_xoffset;
7190     int gd_y1a = gd->src_y + gd->active_yoffset;
7191     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7192     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7193     int x = pos->x;
7194     int y = pos->y;
7195     unsigned int event_mask;
7196     int radio_button_nr = RADIO_NR_NONE;
7197     boolean checked = FALSE;
7198
7199     if (type_id != i)
7200       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7201
7202     if (type == GD_TYPE_RADIO_BUTTON)
7203     {
7204       event_mask = GD_EVENT_PRESSED;
7205       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7206
7207       if (id == drawing_function)
7208         checked = TRUE;
7209     }
7210     else
7211     {
7212       if (id == GADGET_ID_WRAP_LEFT ||
7213           id == GADGET_ID_WRAP_RIGHT ||
7214           id == GADGET_ID_WRAP_UP ||
7215           id == GADGET_ID_WRAP_DOWN)
7216         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7217       else
7218         event_mask = GD_EVENT_RELEASED;
7219     }
7220
7221     if (id == GADGET_ID_PROPERTIES ||
7222         id == GADGET_ID_PALETTE)
7223     {
7224       x += DX;
7225       y += DY;
7226     }
7227     else if (id == GADGET_ID_ELEMENT_LEFT ||
7228              id == GADGET_ID_ELEMENT_MIDDLE ||
7229              id == GADGET_ID_ELEMENT_RIGHT)
7230     {
7231       x += DX;
7232       y += DY;
7233
7234       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7235                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7236                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7237
7238       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7239                                    editor.button.element_left.tile_size :
7240                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7241                                    editor.button.element_middle.tile_size :
7242                                    id == GADGET_ID_ELEMENT_RIGHT ?
7243                                    editor.button.element_right.tile_size : 0);
7244
7245       // make sure that decoration does not overlap gadget border
7246       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7247
7248       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7249
7250       deco_xpos = (gd->width  - tile_size) / 2;
7251       deco_ypos = (gd->height - tile_size) / 2;
7252       deco_shift = 1;
7253       deco_masked = gd->draw_masked;
7254     }
7255     else
7256     {
7257       x += EX;
7258       y += EY;
7259     }
7260
7261     gi = CreateGadget(GDI_CUSTOM_ID, id,
7262                       GDI_CUSTOM_TYPE_ID, type_id,
7263                       GDI_IMAGE_ID, graphic,
7264                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7265                       GDI_X, x,
7266                       GDI_Y, y,
7267                       GDI_WIDTH, gd->width,
7268                       GDI_HEIGHT, gd->height,
7269                       GDI_TYPE, type,
7270                       GDI_STATE, GD_BUTTON_UNPRESSED,
7271                       GDI_RADIO_NR, radio_button_nr,
7272                       GDI_CHECKED, checked,
7273                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7274                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7275                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7276                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7277                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7278                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7279                       GDI_DECORATION_SIZE, tile_size, tile_size,
7280                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7281                       GDI_DECORATION_MASKED, deco_masked,
7282                       GDI_EVENT_MASK, event_mask,
7283                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7284                       GDI_CALLBACK_ACTION, HandleControlButtons,
7285                       GDI_END);
7286
7287     if (gi == NULL)
7288       Fail("cannot create gadget");
7289
7290     level_editor_gadget[id] = gi;
7291   }
7292
7293   // these values are not constant, but can change at runtime
7294   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7295   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7296   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7297   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7298   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7299   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7300   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7301   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7302   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7303   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7304   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7305   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7306
7307   // create buttons for scrolling of drawing area and element list
7308   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7309   {
7310     int id = scrollbutton_info[i].gadget_id;
7311     int type_id = scrollbutton_info[i].gadget_type_id;
7312     int graphic = scrollbutton_info[i].graphic;
7313     struct GraphicInfo *gd = &graphic_info[graphic];
7314     Bitmap *gd_bitmap = gd->bitmap;
7315     int gd_x1 = gd->src_x;
7316     int gd_y1 = gd->src_y;
7317     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7318     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7319     int width  = gd->width;
7320     int height = gd->height;
7321     int x = scrollbutton_pos[i].x;
7322     int y = scrollbutton_pos[i].y;
7323     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7324
7325     if (type_id != i)
7326       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7327
7328     if (id == GADGET_ID_SCROLL_LIST_UP ||
7329         id == GADGET_ID_SCROLL_LIST_DOWN)
7330     {
7331       x += PX;
7332       y += PY;
7333     }
7334     else
7335     {
7336       x += SX;
7337       y += SY;
7338     }
7339
7340     gi = CreateGadget(GDI_CUSTOM_ID, id,
7341                       GDI_CUSTOM_TYPE_ID, type_id,
7342                       GDI_IMAGE_ID, graphic,
7343                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7344                       GDI_X, x,
7345                       GDI_Y, y,
7346                       GDI_WIDTH, width,
7347                       GDI_HEIGHT, height,
7348                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7349                       GDI_STATE, GD_BUTTON_UNPRESSED,
7350                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7351                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7352                       GDI_EVENT_MASK, event_mask,
7353                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7354                       GDI_CALLBACK_ACTION, HandleControlButtons,
7355                       GDI_END);
7356
7357     if (gi == NULL)
7358       Fail("cannot create gadget");
7359
7360     level_editor_gadget[id] = gi;
7361   }
7362
7363   // create buttons for element list
7364   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7365   {
7366     int type_id = i;
7367     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7368     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7369     struct GraphicInfo *gd = &graphic_info[graphic];
7370     Bitmap *gd_bitmap = gd->bitmap;
7371     Bitmap *deco_bitmap;
7372     int deco_x, deco_y, deco_xpos, deco_ypos;
7373     int gd_x1 = gd->src_x;
7374     int gd_y1 = gd->src_y;
7375     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7376     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7377     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7378     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7379     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7380     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7381     int element = editor_elements[i];
7382     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7383     unsigned int event_mask = GD_EVENT_RELEASED;
7384
7385     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7386
7387     deco_xpos = (gd->width  - tile_size) / 2;
7388     deco_ypos = (gd->height - tile_size) / 2;
7389
7390     gi = CreateGadget(GDI_CUSTOM_ID, id,
7391                       GDI_CUSTOM_TYPE_ID, type_id,
7392                       GDI_IMAGE_ID, graphic,
7393                       GDI_INFO_TEXT, getElementInfoText(element),
7394                       GDI_X, x,
7395                       GDI_Y, y,
7396                       GDI_WIDTH, gd->width,
7397                       GDI_HEIGHT, gd->height,
7398                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7399                       GDI_STATE, GD_BUTTON_UNPRESSED,
7400                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7401                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7402                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7403                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7404                       GDI_DECORATION_SIZE, tile_size, tile_size,
7405                       GDI_DECORATION_SHIFTING, 1, 1,
7406                       GDI_EVENT_MASK, event_mask,
7407                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7408                       GDI_CALLBACK_ACTION, HandleControlButtons,
7409                       GDI_END);
7410
7411     if (gi == NULL)
7412       Fail("cannot create gadget");
7413
7414     level_editor_gadget[id] = gi;
7415   }
7416 }
7417
7418 static void CreateCounterButtons(void)
7419 {
7420   int max_infotext_len = getMaxInfoTextLength();
7421   int i;
7422
7423   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7424   {
7425     int type_id = counterbutton_info[i].gadget_type_id;
7426     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7427     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7428     int j;
7429
7430     if (type_id != i)
7431       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7432
7433     // determine horizontal position to the right of specified gadget
7434     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7435       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7436            ED_GADGET_TEXT_DISTANCE);
7437
7438     // determine horizontal offset for leading text
7439     if (counterbutton_info[i].text_left != NULL)
7440       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7441
7442     for (j = 0; j < 2; j++)
7443     {
7444       struct GadgetInfo *gi;
7445       int id = (j == 0 ?
7446                 counterbutton_info[i].gadget_id_down :
7447                 counterbutton_info[i].gadget_id_up);
7448       int graphic;
7449       struct GraphicInfo *gd;
7450       int gd_x1, gd_x2, gd_y1, gd_y2;
7451       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7452       char infotext[max_infotext_len + 1];
7453
7454       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7455       {
7456         graphic = (j == 0 ?
7457                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7458                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7459
7460         event_mask |= GD_EVENT_RELEASED;
7461
7462         if (j == 0)
7463         {
7464           x = DX + editor.button.prev_level.x;
7465           y = DY + editor.button.prev_level.y;
7466         }
7467         else
7468         {
7469           x = DX + editor.button.next_level.x;
7470           y = DY + editor.button.next_level.y;
7471         }
7472       }
7473       else
7474       {
7475         graphic = (j == 0 ?
7476                    IMG_EDITOR_COUNTER_DOWN :
7477                    IMG_EDITOR_COUNTER_UP);
7478       }
7479
7480       gd = &graphic_info[graphic];
7481
7482       gd_x1 = gd->src_x;
7483       gd_y1 = gd->src_y;
7484       gd_x2 = gd->src_x + gd->pressed_xoffset;
7485       gd_y2 = gd->src_y + gd->pressed_yoffset;
7486
7487       sprintf(infotext, "%s counter value by 1, 5 or 10",
7488               (j == 0 ? "Decrease" : "Increase"));
7489
7490       gi = CreateGadget(GDI_CUSTOM_ID, id,
7491                         GDI_CUSTOM_TYPE_ID, type_id,
7492                         GDI_IMAGE_ID, graphic,
7493                         GDI_INFO_TEXT, infotext,
7494                         GDI_X, x,
7495                         GDI_Y, y,
7496                         GDI_WIDTH, gd->width,
7497                         GDI_HEIGHT, gd->height,
7498                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7499                         GDI_STATE, GD_BUTTON_UNPRESSED,
7500                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7501                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7502                         GDI_EVENT_MASK, event_mask,
7503                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7504                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7505                         GDI_END);
7506
7507       if (gi == NULL)
7508         Fail("cannot create gadget");
7509
7510       level_editor_gadget[id] = gi;
7511       right_gadget_border[id] =
7512         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7513
7514       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7515
7516       if (j == 0)
7517       {
7518         int font_type = FONT_INPUT_1;
7519         int font_type_active = FONT_INPUT_1_ACTIVE;
7520
7521         id = counterbutton_info[i].gadget_id_text;
7522
7523         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7524
7525         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7526         {
7527           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7528
7529           font_type = FONT_LEVEL_NUMBER;
7530           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7531
7532           x = DX + editor.input.level_number.x;
7533           y = DY + editor.input.level_number.y;
7534         }
7535         else
7536         {
7537           graphic = IMG_EDITOR_COUNTER_INPUT;
7538         }
7539
7540         gd = &graphic_info[graphic];
7541
7542         gd_x1 = gd->src_x;
7543         gd_y1 = gd->src_y;
7544         gd_x2 = gd->src_x + gd->active_xoffset;
7545         gd_y2 = gd->src_y + gd->active_yoffset;
7546
7547         gi = CreateGadget(GDI_CUSTOM_ID, id,
7548                           GDI_CUSTOM_TYPE_ID, type_id,
7549                           GDI_IMAGE_ID, graphic,
7550                           GDI_INFO_TEXT, "Enter counter value",
7551                           GDI_X, x,
7552                           GDI_Y, y,
7553                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
7554                           GDI_NUMBER_VALUE, 0,
7555                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
7556                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
7557                           GDI_TEXT_SIZE, 3,     // minimal counter text size
7558                           GDI_TEXT_FONT, font_type,
7559                           GDI_TEXT_FONT_ACTIVE, font_type_active,
7560                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7561                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7562                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7563                           GDI_DESIGN_WIDTH, gd->width,
7564                           GDI_EVENT_MASK, event_mask,
7565                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7566                           GDI_CALLBACK_ACTION, HandleCounterButtons,
7567                           GDI_END);
7568
7569         if (gi == NULL)
7570           Fail("cannot create gadget");
7571
7572         level_editor_gadget[id] = gi;
7573         right_gadget_border[id] =
7574           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7575
7576         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
7577       }
7578     }
7579   }
7580 }
7581
7582 static void CreateDrawingAreas(void)
7583 {
7584   int i;
7585
7586   // these values are not constant, but can change at runtime
7587   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
7588   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
7589
7590   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
7591   {
7592     struct GadgetInfo *gi;
7593     int id = drawingarea_info[i].gadget_id;
7594     int type_id = drawingarea_info[i].gadget_type_id;
7595     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
7596     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
7597     int area_xsize = drawingarea_info[i].area_xsize;
7598     int area_ysize = drawingarea_info[i].area_ysize;
7599     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
7600                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
7601     unsigned int event_mask =
7602       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
7603       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
7604
7605     if (type_id != i)
7606       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
7607
7608     // determine horizontal position to the right of specified gadget
7609     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
7610       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
7611            ED_DRAWINGAREA_TEXT_DISTANCE);
7612
7613     // determine horizontal offset for leading text
7614     if (drawingarea_info[i].text_left != NULL)
7615       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
7616
7617     gi = CreateGadget(GDI_CUSTOM_ID, id,
7618                       GDI_CUSTOM_TYPE_ID, type_id,
7619                       GDI_X, x,
7620                       GDI_Y, y,
7621                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
7622                       GDI_AREA_SIZE, area_xsize, area_ysize,
7623                       GDI_ITEM_SIZE, item_size, item_size,
7624                       GDI_EVENT_MASK, event_mask,
7625                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
7626                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
7627                       GDI_END);
7628
7629     if (gi == NULL)
7630       Fail("cannot create gadget");
7631
7632     level_editor_gadget[id] = gi;
7633     right_gadget_border[id] =
7634       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
7635   }
7636 }
7637
7638 static void CreateTextInputGadgets(void)
7639 {
7640   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
7641   int max_infotext_len = getMaxInfoTextLength();
7642   int i;
7643
7644   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
7645   {
7646     int gd_x1 = gd->src_x;
7647     int gd_y1 = gd->src_y;
7648     int gd_x2 = gd->src_x + gd->active_xoffset;
7649     int gd_y2 = gd->src_y + gd->active_yoffset;
7650     struct GadgetInfo *gi;
7651     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7652     char infotext[MAX_OUTPUT_LINESIZE + 1];
7653     int id = textinput_info[i].gadget_id;
7654     int type_id = textinput_info[i].gadget_type_id;
7655     int x, y;
7656
7657     if (type_id != i)
7658       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
7659
7660     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
7661     {
7662       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
7663       int border_size = gd->border_size;
7664       int font_nr = FONT_INPUT_1;
7665       int font_height = getFontHeight(font_nr);
7666       int xoffset = element_border + TILEX + element_border + 3 * border_size;
7667       int yoffset = element_border + (TILEY - font_height) / 2;
7668
7669       x = (editor.settings.element_name.x != -1 ?
7670            editor.settings.element_name.x :
7671            editor.settings.element_graphic.x + xoffset) - border_size;
7672       y = (editor.settings.element_name.y != -1 ?
7673            editor.settings.element_name.y :
7674            editor.settings.element_graphic.y + yoffset) - border_size;
7675     }
7676     else
7677     {
7678       x = ED_SETTINGS_X(textinput_info[i].x);
7679       y = ED_SETTINGS_Y(textinput_info[i].y);
7680     }
7681
7682     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
7683     infotext[max_infotext_len] = '\0';
7684
7685     gi = CreateGadget(GDI_CUSTOM_ID, id,
7686                       GDI_CUSTOM_TYPE_ID, type_id,
7687                       GDI_INFO_TEXT, infotext,
7688                       GDI_X, SX + x,
7689                       GDI_Y, SY + y,
7690                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
7691                       GDI_TEXT_VALUE, textinput_info[i].value,
7692                       GDI_TEXT_SIZE, textinput_info[i].size,
7693                       GDI_TEXT_FONT, FONT_INPUT_1,
7694                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7695                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7696                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7697                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7698                       GDI_DESIGN_WIDTH, gd->width,
7699                       GDI_EVENT_MASK, event_mask,
7700                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7701                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
7702                       GDI_END);
7703
7704     if (gi == NULL)
7705       Fail("cannot create gadget");
7706
7707     level_editor_gadget[id] = gi;
7708   }
7709 }
7710
7711 static void CreateTextAreaGadgets(void)
7712 {
7713   int max_infotext_len = getMaxInfoTextLength();
7714   int i;
7715
7716   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
7717   {
7718     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
7719     int gd_x1 = gd->src_x;
7720     int gd_y1 = gd->src_y;
7721     int gd_x2 = gd->src_x + gd->active_xoffset;
7722     int gd_y2 = gd->src_y + gd->active_yoffset;
7723     struct GadgetInfo *gi;
7724     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
7725     char infotext[MAX_OUTPUT_LINESIZE + 1];
7726     int id = textarea_info[i].gadget_id;
7727     int type_id = textarea_info[i].gadget_type_id;
7728     int area_xsize = textarea_info[i].xsize;
7729     int area_ysize = textarea_info[i].ysize;
7730
7731     if (type_id != i)
7732       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
7733
7734     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
7735     infotext[max_infotext_len] = '\0';
7736
7737     gi = CreateGadget(GDI_CUSTOM_ID, id,
7738                       GDI_CUSTOM_TYPE_ID, type_id,
7739                       GDI_INFO_TEXT, infotext,
7740                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
7741                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
7742                       GDI_TYPE, GD_TYPE_TEXT_AREA,
7743                       GDI_AREA_SIZE, area_xsize, area_ysize,
7744                       GDI_TEXT_FONT, FONT_INPUT_1,
7745                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7746                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7747                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7748                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7749                       GDI_DESIGN_WIDTH, gd->width,
7750                       GDI_EVENT_MASK, event_mask,
7751                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7752                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
7753                       GDI_END);
7754
7755     if (gi == NULL)
7756       Fail("cannot create gadget");
7757
7758     level_editor_gadget[id] = gi;
7759   }
7760 }
7761
7762 static void CreateSelectboxGadgets(void)
7763 {
7764   int max_infotext_len = getMaxInfoTextLength();
7765
7766   int i, j;
7767
7768   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7769   {
7770     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
7771     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
7772     int gd_x1 = gd->src_x;
7773     int gd_y1 = gd->src_y;
7774     int gd_x2 = gd->src_x + gd->active_xoffset;
7775     int gd_y2 = gd->src_y + gd->active_yoffset;
7776     int selectbox_button_xsize = gd2->width;
7777     struct GadgetInfo *gi;
7778     char infotext[MAX_OUTPUT_LINESIZE + 1];
7779     int id = selectbox_info[i].gadget_id;
7780     int type_id = selectbox_info[i].gadget_type_id;
7781     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
7782     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
7783     unsigned int event_mask =
7784       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7785
7786     if (type_id != i)
7787       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
7788
7789     if (selectbox_info[i].size == -1)   // dynamically determine size
7790     {
7791       // (we cannot use -1 for uninitialized values if we directly compare
7792       // with results from strlen(), because the '<' and '>' operation will
7793       // implicitely cast -1 to an unsigned integer value!)
7794       selectbox_info[i].size = 0;
7795
7796       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
7797         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
7798           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
7799
7800       selectbox_info[i].size++;         // add one character empty space
7801     }
7802
7803     // determine horizontal position to the right of specified gadget
7804     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
7805       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
7806            ED_GADGET_TEXT_DISTANCE);
7807
7808     // determine horizontal offset for leading text
7809     if (selectbox_info[i].text_left != NULL)
7810       x += getTextWidthForGadget(selectbox_info[i].text_left);
7811
7812     sprintf(infotext, "%s", selectbox_info[i].infotext);
7813     infotext[max_infotext_len] = '\0';
7814
7815     gi = CreateGadget(GDI_CUSTOM_ID, id,
7816                       GDI_CUSTOM_TYPE_ID, type_id,
7817                       GDI_INFO_TEXT, infotext,
7818                       GDI_X, x,
7819                       GDI_Y, y,
7820                       GDI_TYPE, GD_TYPE_SELECTBOX,
7821                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
7822                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
7823                       GDI_TEXT_SIZE, selectbox_info[i].size,
7824                       GDI_TEXT_FONT, FONT_INPUT_1,
7825                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7826                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
7827                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7828                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7829                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7830                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
7831                       GDI_DESIGN_WIDTH, gd->width,
7832                       GDI_EVENT_MASK, event_mask,
7833                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7834                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
7835                       GDI_END);
7836
7837     if (gi == NULL)
7838       Fail("cannot create gadget");
7839
7840     level_editor_gadget[id] = gi;
7841     right_gadget_border[id] =
7842       getRightGadgetBorder(gi, selectbox_info[i].text_right);
7843   }
7844 }
7845
7846 static void CreateTextbuttonGadgets(void)
7847 {
7848   int max_infotext_len = getMaxInfoTextLength();
7849   int i;
7850
7851   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
7852   {
7853     int id = textbutton_info[i].gadget_id;
7854     int type_id = textbutton_info[i].gadget_type_id;
7855     int is_tab_button =
7856       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
7857        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
7858     int graphic =
7859       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
7860     int gadget_distance =
7861       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
7862     struct GraphicInfo *gd = &graphic_info[graphic];
7863     int gd_x1 = gd->src_x;
7864     int gd_y1 = gd->src_y;
7865     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7866     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7867     int gd_x1a = gd->src_x + gd->active_xoffset;
7868     int gd_y1a = gd->src_y + gd->active_yoffset;
7869     int border_xsize = gd->border_size + gd->draw_xoffset;
7870     int border_ysize = gd->border_size;
7871     struct GadgetInfo *gi;
7872     unsigned int event_mask = GD_EVENT_RELEASED;
7873     char infotext[MAX_OUTPUT_LINESIZE + 1];
7874     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
7875     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
7876
7877     if (type_id != i)
7878       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
7879
7880     if (textbutton_info[i].size == -1)  // dynamically determine size
7881       textbutton_info[i].size = strlen(textbutton_info[i].text);
7882
7883     sprintf(infotext, "%s", textbutton_info[i].infotext);
7884     infotext[max_infotext_len] = '\0';
7885
7886     // determine horizontal position to the right of specified gadget
7887     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7888     {
7889       int gadget_id_align = textbutton_info[i].gadget_id_align;
7890
7891       x = right_gadget_border[gadget_id_align] + gadget_distance;
7892
7893       if (textbutton_info[i].y == -1)
7894         y = level_editor_gadget[gadget_id_align]->y;
7895     }
7896
7897     // determine horizontal offset for leading text
7898     if (textbutton_info[i].text_left != NULL)
7899       x += getTextWidthForGadget(textbutton_info[i].text_left);
7900
7901     gi = CreateGadget(GDI_CUSTOM_ID, id,
7902                       GDI_CUSTOM_TYPE_ID, type_id,
7903                       GDI_IMAGE_ID, graphic,
7904                       GDI_INFO_TEXT, infotext,
7905                       GDI_X, x,
7906                       GDI_Y, y,
7907                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
7908                       GDI_TEXT_VALUE, textbutton_info[i].text,
7909                       GDI_TEXT_SIZE, textbutton_info[i].size,
7910                       GDI_TEXT_FONT, FONT_INPUT_2,
7911                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
7912                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7913                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7914                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7915                       GDI_BORDER_SIZE, border_xsize, border_ysize,
7916                       GDI_DESIGN_WIDTH, gd->width,
7917                       GDI_DECORATION_SHIFTING, 1, 1,
7918                       GDI_EVENT_MASK, event_mask,
7919                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7920                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
7921                       GDI_END);
7922
7923     if (gi == NULL)
7924       Fail("cannot create gadget");
7925
7926     level_editor_gadget[id] = gi;
7927     right_gadget_border[id] =
7928       getRightGadgetBorder(gi, textbutton_info[i].text_right);
7929   }
7930 }
7931
7932 static void CreateGraphicbuttonGadgets(void)
7933 {
7934   struct GadgetInfo *gi;
7935   int i;
7936
7937   // create buttons for scrolling of drawing area and element list
7938   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
7939   {
7940     int id = graphicbutton_info[i].gadget_id;
7941     int type_id = graphicbutton_info[i].gadget_type_id;
7942     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
7943     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
7944     int graphic = graphicbutton_info[i].graphic;
7945     struct GraphicInfo *gd = &graphic_info[graphic];
7946     int gd_x1 = gd->src_x;
7947     int gd_y1 = gd->src_y;
7948     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7949     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7950     unsigned int event_mask = GD_EVENT_RELEASED;
7951
7952     if (type_id != i)
7953       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
7954
7955     // determine horizontal position to the right of specified gadget
7956     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7957       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
7958            ED_GADGET_TEXT_DISTANCE);
7959
7960     // determine horizontal offset for leading text
7961     if (graphicbutton_info[i].text_left != NULL)
7962       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
7963
7964     gi = CreateGadget(GDI_CUSTOM_ID, id,
7965                       GDI_CUSTOM_TYPE_ID, type_id,
7966                       GDI_IMAGE_ID, graphic,
7967                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
7968                       GDI_X, x,
7969                       GDI_Y, y,
7970                       GDI_WIDTH, gd->width,
7971                       GDI_HEIGHT, gd->height,
7972                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7973                       GDI_STATE, GD_BUTTON_UNPRESSED,
7974                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7975                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7976                       GDI_EVENT_MASK, event_mask,
7977                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7978                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
7979                       GDI_END);
7980
7981     if (gi == NULL)
7982       Fail("cannot create gadget");
7983
7984     level_editor_gadget[id] = gi;
7985     right_gadget_border[id] =
7986       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
7987   }
7988 }
7989
7990 static void CreateScrollbarGadgets(void)
7991 {
7992   int i;
7993
7994   // these values are not constant, but can change at runtime
7995   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
7996     SX + ED_SCROLL_HORIZONTAL_XPOS;
7997   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
7998     SY + ED_SCROLL_HORIZONTAL_YPOS;
7999   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8000     ED_SCROLL_HORIZONTAL_XSIZE;
8001   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8002     ED_SCROLL_HORIZONTAL_YSIZE;
8003   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8004   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8005   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8006   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8007
8008   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8009     SX + ED_SCROLL_VERTICAL_XPOS;
8010   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8011     SY + ED_SCROLL_VERTICAL_YPOS;
8012   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8013     ED_SCROLL_VERTICAL_XSIZE;
8014   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8015     ED_SCROLL_VERTICAL_YSIZE;
8016   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8017   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8018   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8019   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8020
8021   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8022     PX + ED_SCROLL2_VERTICAL_XPOS;
8023   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8024     PY + ED_SCROLL2_VERTICAL_YPOS;
8025   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8026     ED_SCROLL2_VERTICAL_XSIZE;
8027   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8028     ED_SCROLL2_VERTICAL_YSIZE;
8029   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8030   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8031   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8032   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8033
8034   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8035   {
8036     int id = scrollbar_info[i].gadget_id;
8037     int type_id = scrollbar_info[i].gadget_type_id;
8038     int graphic = scrollbar_info[i].graphic;
8039     struct GraphicInfo *gd = &graphic_info[graphic];
8040     int gd_x1 = gd->src_x;
8041     int gd_y1 = gd->src_y;
8042     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8043     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8044     struct GadgetInfo *gi;
8045     int items_max, items_visible, item_position;
8046     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8047
8048     if (type_id != i)
8049       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8050
8051     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8052     {
8053       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8054       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8055       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8056     }
8057     else        // drawing area scrollbars
8058     {
8059       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8060       {
8061         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8062         items_visible = ed_fieldx;
8063         item_position = 0;
8064       }
8065       else
8066       {
8067         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8068         items_visible = ed_fieldy;
8069         item_position = 0;
8070       }
8071     }
8072
8073     gi = CreateGadget(GDI_CUSTOM_ID, id,
8074                       GDI_CUSTOM_TYPE_ID, type_id,
8075                       GDI_IMAGE_ID, graphic,
8076                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8077                       GDI_X, scrollbar_pos[i].x,
8078                       GDI_Y, scrollbar_pos[i].y,
8079                       GDI_WIDTH, scrollbar_pos[i].width,
8080                       GDI_HEIGHT, scrollbar_pos[i].height,
8081                       GDI_TYPE, scrollbar_info[i].type,
8082                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8083                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8084                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8085                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8086                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8087                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8088                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8089                       GDI_STATE, GD_BUTTON_UNPRESSED,
8090                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8091                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8092                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8093                       GDI_EVENT_MASK, event_mask,
8094                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8095                       GDI_CALLBACK_ACTION, HandleControlButtons,
8096                       GDI_END);
8097
8098     if (gi == NULL)
8099       Fail("cannot create gadget");
8100
8101     level_editor_gadget[id] = gi;
8102   }
8103 }
8104
8105 static void CreateCheckbuttonGadgets(void)
8106 {
8107   struct GadgetInfo *gi;
8108   int i;
8109
8110   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8111   {
8112     int id = checkbutton_info[i].gadget_id;
8113     int type_id = checkbutton_info[i].gadget_type_id;
8114     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8115                    IMG_EDITOR_CHECKBOX);
8116     struct GraphicInfo *gd = &graphic_info[graphic];
8117     int gd_x1 = gd->src_x;
8118     int gd_y1 = gd->src_y;
8119     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8120     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8121     int gd_x1a = gd->src_x + gd->active_xoffset;
8122     int gd_y1a = gd->src_y + gd->active_yoffset;
8123     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8124     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8125     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8126     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8127     unsigned int event_mask = GD_EVENT_PRESSED;
8128
8129     if (type_id != i)
8130       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8131
8132     // determine horizontal position to the right of specified gadget
8133     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8134       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8135            ED_GADGET_TEXT_DISTANCE);
8136
8137     // determine horizontal offset for leading text
8138     if (checkbutton_info[i].text_left != NULL)
8139       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8140
8141     gi = CreateGadget(GDI_CUSTOM_ID, id,
8142                       GDI_CUSTOM_TYPE_ID, type_id,
8143                       GDI_IMAGE_ID, graphic,
8144                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8145                       GDI_X, x,
8146                       GDI_Y, y,
8147                       GDI_WIDTH, gd->width,
8148                       GDI_HEIGHT, gd->height,
8149                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8150                       GDI_CHECKED, *checkbutton_info[i].value,
8151                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8152                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8153                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8154                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8155                       GDI_EVENT_MASK, event_mask,
8156                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8157                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8158                       GDI_END);
8159
8160     if (gi == NULL)
8161       Fail("cannot create gadget");
8162
8163     level_editor_gadget[id] = gi;
8164     right_gadget_border[id] =
8165       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8166   }
8167 }
8168
8169 static void CreateRadiobuttonGadgets(void)
8170 {
8171   int graphic = IMG_EDITOR_RADIOBUTTON;
8172   struct GraphicInfo *gd = &graphic_info[graphic];
8173   int gd_x1 = gd->src_x;
8174   int gd_y1 = gd->src_y;
8175   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8176   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8177   int gd_x1a = gd->src_x + gd->active_xoffset;
8178   int gd_y1a = gd->src_y + gd->active_yoffset;
8179   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8180   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8181   struct GadgetInfo *gi;
8182   int i;
8183
8184   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8185   {
8186     int id = radiobutton_info[i].gadget_id;
8187     int type_id = radiobutton_info[i].gadget_type_id;
8188     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8189     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8190     unsigned int event_mask = GD_EVENT_PRESSED;
8191
8192     if (type_id != i)
8193       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8194
8195     int checked =
8196       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8197
8198     // determine horizontal position to the right of specified gadget
8199     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8200       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8201            ED_GADGET_TEXT_DISTANCE);
8202
8203     // determine horizontal offset for leading text
8204     if (radiobutton_info[i].text_left != NULL)
8205       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8206
8207     gi = CreateGadget(GDI_CUSTOM_ID, id,
8208                       GDI_CUSTOM_TYPE_ID, type_id,
8209                       GDI_IMAGE_ID, graphic,
8210                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8211                       GDI_X, x,
8212                       GDI_Y, y,
8213                       GDI_WIDTH, gd->width,
8214                       GDI_HEIGHT, gd->height,
8215                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8216                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8217                       GDI_CHECKED, checked,
8218                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8219                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8220                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8221                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8222                       GDI_EVENT_MASK, event_mask,
8223                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8224                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8225                       GDI_END);
8226
8227     if (gi == NULL)
8228       Fail("cannot create gadget");
8229
8230     level_editor_gadget[id] = gi;
8231     right_gadget_border[id] =
8232       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8233   }
8234 }
8235
8236 void CreateLevelEditorGadgets(void)
8237 {
8238   // force EDITOR font inside level editor
8239   SetFontStatus(GAME_MODE_EDITOR);
8240
8241   // these values are not constant, but can change at runtime
8242   ed_fieldx = MAX_ED_FIELDX - 1;
8243   ed_fieldy = MAX_ED_FIELDY - 1;
8244
8245   num_editor_gadgets = NUM_EDITOR_GADGETS;
8246
8247   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8248
8249   level_editor_gadget =
8250     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8251   right_gadget_border =
8252     checked_calloc(num_editor_gadgets * sizeof(int));
8253
8254   // set number of empty (padding) element buttons to maximum number of buttons
8255   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8256
8257   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8258   editor_el_empty_ptr = editor_el_empty;
8259
8260   use_permanent_palette = !editor.palette.show_as_separate_screen;
8261
8262   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8263
8264   ReinitializeElementList();
8265
8266   CreateControlButtons();
8267   CreateScrollbarGadgets();
8268
8269   // order of function calls is important because of cross-references
8270   CreateCheckbuttonGadgets();
8271   CreateCounterButtons();
8272   CreateRadiobuttonGadgets();
8273   CreateTextInputGadgets();
8274   CreateTextAreaGadgets();
8275   CreateSelectboxGadgets();
8276   CreateGraphicbuttonGadgets();
8277   CreateTextbuttonGadgets();
8278   CreateDrawingAreas();
8279
8280   ResetFontStatus();
8281 }
8282
8283 void FreeLevelEditorGadgets(void)
8284 {
8285   int i;
8286
8287   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8288
8289   for (i = 0; i < num_editor_gadgets; i++)
8290   {
8291     FreeGadget(level_editor_gadget[i]);
8292
8293     level_editor_gadget[i] = NULL;
8294   }
8295
8296   checked_free(level_editor_gadget);
8297   checked_free(right_gadget_border);
8298
8299   checked_free(editor_el_empty);
8300 }
8301
8302 static void MapCounterButtons(int id)
8303 {
8304   int font_nr = FONT_TEXT_1;
8305   int font_height = getFontHeight(font_nr);
8306   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8307   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8308   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8309   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8310   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8311   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8312   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8313   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8314   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8315   int yoffset = (gi_down->height - font_height) / 2;
8316   int x_left = gi_down->x - xoffset_left;
8317   int x_right;  // set after gadget position was modified
8318   int y_above = gi_down->y - yoffset_above;
8319   int x = gi_down->x;
8320   int y;        // set after gadget position was modified
8321
8322   // counter limits must be changed first to prevent value truncation
8323   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8324                             counterbutton_info[id].max_value);
8325
8326   // right text position might have changed after setting position above
8327   x_right = gi_up->x + gi_up->width + xoffset_right;
8328
8329   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8330
8331   // set position for counter gadgets with dynamically determined position
8332   if (id != ED_COUNTER_ID_SELECT_LEVEL)
8333   {
8334     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8335     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8336     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8337   }
8338
8339   // vertical position might have changed after setting position above
8340   y = gi_up->y + yoffset;
8341
8342   if (counterbutton_info[id].text_above)
8343     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8344
8345   if (counterbutton_info[id].text_left)
8346     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8347
8348   if (counterbutton_info[id].text_right)
8349     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8350
8351   MapGadget(gi_down);
8352   MapGadget(gi_text);
8353   MapGadget(gi_up);
8354 }
8355
8356 static void MapControlButtons(void)
8357 {
8358   int counter_id;
8359   int i;
8360
8361   // map toolbox buttons (excluding special CE toolbox buttons)
8362   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8363     MapGadget(level_editor_gadget[i]);
8364
8365   // map toolbox buttons (element properties buttons)
8366   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8367     MapGadget(level_editor_gadget[i]);
8368
8369   if (use_permanent_palette)
8370   {
8371     // map buttons to select elements
8372     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8373       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8374     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8375     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8376     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8377   }
8378
8379   // map buttons to select level
8380   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8381   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8382   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8383   MapCounterButtons(counter_id);
8384 }
8385
8386 static void MapDrawingArea(int id)
8387 {
8388   int font_nr = FONT_TEXT_1;
8389   int font_height = getFontHeight(font_nr);
8390   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8391   int area_xsize = gi->drawing.area_xsize;
8392   int area_ysize = gi->drawing.area_ysize;
8393   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8394   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8395   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
8396   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8397   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8398   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8399   int y_side  = gi->y + (gi->height - font_height) / 2;
8400   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8401   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8402
8403   if (drawingarea_info[id].text_left)
8404     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8405
8406   if (drawingarea_info[id].text_right)
8407     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8408
8409   if (drawingarea_info[id].text_above)
8410     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8411
8412   if (drawingarea_info[id].text_below)
8413     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8414
8415   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8416   {
8417     DrawElementBorder(gi->x, gi->y,
8418                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8419                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8420
8421     DrawDrawingArea(id);
8422   }
8423
8424   MapGadget(gi);
8425 }
8426
8427 static void MapTextInputGadget(int id)
8428 {
8429   int font_nr = FONT_TEXT_1;
8430   int font_height = getFontHeight(font_nr);
8431   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8432   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8433   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8434   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8435
8436   if (textinput_info[id].text_above)
8437     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8438
8439   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8440
8441   MapGadget(gi);
8442 }
8443
8444 static void MapTextAreaGadget(int id)
8445 {
8446   int font_nr = FONT_TEXT_1;
8447   int font_height = getFontHeight(font_nr);
8448   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8449   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8450   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8451   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8452   char *text_above = textarea_info[id].text_above;
8453
8454   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8455     text_above = textarea_info[id].text_above_cropped;
8456
8457   if (text_above)
8458     DrawTextS(x_above, y_above, font_nr, text_above);
8459
8460   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8461
8462   MapGadget(gi);
8463 }
8464
8465 static void MapSelectboxGadget(int id)
8466 {
8467   int font_nr = FONT_TEXT_1;
8468   int font_height = getFontHeight(font_nr);
8469   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8470   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8471   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8472   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8473   int yoffset = (gi->height - font_height) / 2;
8474   int x_left = gi->x - xoffset_left;
8475   int x_right = gi->x + gi->width + xoffset_right;
8476   int y_above = gi->y - yoffset_above;
8477   int x = gi->x;
8478   int y = gi->y + yoffset;
8479
8480   if (selectbox_info[id].text_above)
8481     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8482
8483   if (selectbox_info[id].text_left)
8484     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8485
8486   if (selectbox_info[id].text_right)
8487     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8488
8489   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8490
8491   MapGadget(gi);
8492 }
8493
8494 static void MapTextbuttonGadget(int id)
8495 {
8496   int font_nr = FONT_TEXT_1;
8497   int font_height = getFontHeight(font_nr);
8498   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8499   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8500   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8501   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8502   int yoffset = (gi->height - font_height) / 2;
8503   int x_left = gi->x - xoffset_left;
8504   int x_right = gi->x + gi->width + xoffset_right;
8505   int y_above = gi->y - yoffset_above;
8506   int x = gi->x;
8507   int y = gi->y + yoffset;
8508
8509   // only show button to delete change pages when more than minimum pages
8510   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8511       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8512     return;
8513
8514   if (textbutton_info[id].text_above)
8515     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8516
8517   if (textbutton_info[id].text_left)
8518     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8519
8520   if (textbutton_info[id].text_right)
8521     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8522
8523   MapGadget(gi);
8524 }
8525
8526 static void MapGraphicbuttonGadget(int id)
8527 {
8528   int font_nr = FONT_TEXT_1;
8529   int font_height = getFontHeight(font_nr);
8530   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8531   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8532   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8533   int yoffset = (gi->height - font_height) / 2;
8534   int x_left = gi->x - xoffset_left;
8535   int x_right = gi->x + gi->width + xoffset_right;
8536   int y = gi->y + yoffset;
8537
8538   if (graphicbutton_info[id].text_left)
8539     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8540
8541   if (graphicbutton_info[id].text_right)
8542     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8543
8544   MapGadget(gi);
8545 }
8546
8547 static void MapRadiobuttonGadget(int id)
8548 {
8549   int font_nr = FONT_TEXT_1;
8550   int font_height = getFontHeight(font_nr);
8551   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
8552   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8553   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8554   int yoffset = (gi->height - font_height) / 2;
8555   int x_left = gi->x - xoffset_left;
8556   int x_right = gi->x + gi->width + xoffset_right;
8557   int y = gi->y + yoffset;
8558   boolean checked =
8559     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
8560
8561   if (radiobutton_info[id].text_left)
8562     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
8563
8564   if (radiobutton_info[id].text_right)
8565     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
8566
8567   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
8568
8569   MapGadget(gi);
8570 }
8571
8572 static void MapCheckbuttonGadget(int id)
8573 {
8574   int font_nr = FONT_TEXT_1;
8575   int font_height = getFontHeight(font_nr);
8576   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
8577   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8578   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8579   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8580   int yoffset = (gi->height - font_height) / 2;
8581   int y_above = gi->y - yoffset_above;
8582   int x = gi->x;
8583   int x_left, x_right, y;       // set after gadget position was modified
8584
8585   // set position for gadgets with dynamically determined position
8586   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
8587     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
8588   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
8589
8590   x_left = gi->x - xoffset_left;
8591   x_right = gi->x + gi->width + xoffset_right;
8592   y = gi->y + yoffset;
8593
8594   if (checkbutton_info[id].text_above)
8595     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
8596
8597   if (checkbutton_info[id].text_left)
8598     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
8599
8600   if (checkbutton_info[id].text_right)
8601     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
8602
8603   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
8604
8605   MapGadget(gi);
8606 }
8607
8608 static void MapMainDrawingArea(void)
8609 {
8610   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
8611   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
8612   int i;
8613
8614   if (suppressBorderElement())
8615   {
8616     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
8617     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
8618   }
8619
8620   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
8621   {
8622     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
8623           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
8624          no_horizontal_scrollbar) ||
8625         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
8626           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
8627          no_vertical_scrollbar))
8628       continue;
8629
8630     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
8631   }
8632
8633   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
8634   {
8635     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
8636         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
8637       continue;
8638
8639     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
8640   }
8641
8642   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
8643 }
8644
8645 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
8646 {
8647   int i;
8648
8649   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8650   {
8651     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
8652         i == GADGET_ID_CUSTOM_COPY_TO ||
8653         i == GADGET_ID_CUSTOM_EXCHANGE ||
8654         i == GADGET_ID_CUSTOM_COPY ||
8655         i == GADGET_ID_CUSTOM_PASTE)
8656     {
8657       if (map)
8658         MapGadget(level_editor_gadget[i]);
8659       else
8660         UnmapGadget(level_editor_gadget[i]);
8661     }
8662   }
8663 }
8664
8665 static void MapLevelEditorToolboxCustomGadgets(void)
8666 {
8667   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
8668 }
8669
8670 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
8671 {
8672   if (IS_CUSTOM_ELEMENT(properties_element) ||
8673       IS_GROUP_ELEMENT(properties_element) ||
8674       IS_EMPTY_ELEMENT(properties_element))
8675     MapLevelEditorToolboxCustomGadgets();
8676 }
8677
8678 static void UnmapLevelEditorToolboxCustomGadgets(void)
8679 {
8680   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
8681 }
8682
8683 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
8684 {
8685   int i;
8686
8687   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
8688   {
8689     if (i != GADGET_ID_SINGLE_ITEMS &&
8690         i != GADGET_ID_PICK_ELEMENT)
8691     {
8692       struct GadgetInfo *gi = level_editor_gadget[i];
8693
8694       if (map)
8695       {
8696         MapGadget(gi);
8697       }
8698       else
8699       {
8700         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
8701         struct GraphicInfo *gd = &graphic_info[graphic];
8702
8703         UnmapGadget(gi);
8704
8705         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
8706                    gi->width, gi->height, gi->x, gi->y);
8707
8708         redraw_mask |= REDRAW_DOOR_3;
8709       }
8710     }
8711   }
8712 }
8713
8714 static void MapLevelEditorToolboxDrawingGadgets(void)
8715 {
8716   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
8717 }
8718
8719 static void UnmapLevelEditorToolboxDrawingGadgets(void)
8720 {
8721   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
8722 }
8723
8724 static void UnmapDrawingArea(int id)
8725 {
8726   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
8727 }
8728
8729 static void UnmapLevelEditorFieldGadgets(void)
8730 {
8731   int i;
8732
8733   for (i = 0; i < num_editor_gadgets; i++)
8734     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
8735                           level_editor_gadget[i]->y))
8736       UnmapGadget(level_editor_gadget[i]);
8737 }
8738
8739 void UnmapLevelEditorGadgets(void)
8740 {
8741   int i;
8742
8743   for (i = 0; i < num_editor_gadgets; i++)
8744     UnmapGadget(level_editor_gadget[i]);
8745 }
8746
8747 static void ResetUndoBuffer(void)
8748 {
8749   undo_buffer_position = -1;
8750   undo_buffer_steps = -1;
8751   redo_buffer_steps = 0;
8752
8753   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8754
8755   level.changed = FALSE;
8756 }
8757
8758 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
8759 {
8760   if (remap_toolbox_gadgets)
8761   {
8762     ModifyEditorElementList();
8763     RedrawDrawingElements();
8764   }
8765
8766   if (edit_mode == ED_MODE_LEVELCONFIG)
8767     DrawLevelConfigWindow();
8768   else if (edit_mode == ED_MODE_PROPERTIES)
8769     DrawPropertiesWindow();
8770   else if (edit_mode == ED_MODE_PALETTE)
8771     DrawPaletteWindow();
8772   else  // edit_mode == ED_MODE_DRAWING
8773     DrawDrawingWindowExt(remap_toolbox_gadgets);
8774 }
8775
8776 static void DrawEditModeWindow(void)
8777 {
8778   DrawEditModeWindowExt(TRUE);
8779 }
8780
8781 static void DrawEditModeWindow_PlayfieldOnly(void)
8782 {
8783   DrawEditModeWindowExt(FALSE);
8784 }
8785
8786 static void ChangeEditModeWindow(int new_edit_mode)
8787 {
8788   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
8789
8790   DrawEditModeWindow();
8791 }
8792
8793 static boolean LevelChanged(void)
8794 {
8795   boolean field_changed = FALSE;
8796   int x, y;
8797
8798   for (y = 0; y < lev_fieldy; y++)
8799     for (x = 0; x < lev_fieldx; x++)
8800       if (Tile[x][y] != level.field[x][y])
8801         field_changed = TRUE;
8802
8803   return (level.changed || field_changed);
8804 }
8805
8806 static boolean PrepareSavingIntoPersonalLevelSet(void)
8807 {
8808   static LevelDirTree *last_copied_leveldir = NULL;
8809   static LevelDirTree *last_written_leveldir = NULL;
8810   static int last_copied_level_nr = -1;
8811   static int last_written_level_nr = -1;
8812   LevelDirTree *leveldir_former = leveldir_current;
8813   int level_nr_former = level_nr;
8814   int new_level_nr;
8815
8816   // remember last mod/save so that for current session, we write
8817   // back to the same personal copy, asking only about overwrite.
8818   if (leveldir_current == last_copied_leveldir &&
8819       level_nr == last_copied_level_nr)
8820   {
8821     // "cd" to personal level set dir (as used when writing last copy)
8822     leveldir_current = last_written_leveldir;
8823     level_nr = last_written_level_nr;
8824
8825     return TRUE;
8826   }
8827
8828   if (!Request("This level is read-only! "
8829                "Save into personal level set?", REQ_ASK))
8830     return FALSE;
8831
8832   // "cd" to personal level set dir (for writing copy the first time)
8833   leveldir_current =
8834     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
8835
8836   // this may happen if "setup.internal.create_user_levelset" is FALSE
8837   // or if file "levelinfo.conf" is missing in personal user level set
8838   if (leveldir_current == NULL)
8839   {
8840     Request("Cannot find personal level set?!", REQ_CONFIRM);
8841
8842     leveldir_current = leveldir_former;
8843
8844     return FALSE;
8845   }
8846
8847   // find unused level number
8848   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
8849   {
8850     static char *level_filename = NULL;
8851
8852     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
8853
8854     if (!fileExists(level_filename))
8855       break;
8856   }
8857
8858   last_copied_leveldir = leveldir_former;
8859   last_copied_level_nr = level_nr_former;
8860
8861   last_written_leveldir = leveldir_current;
8862   last_written_level_nr = level_nr = new_level_nr;
8863
8864   return TRUE;
8865 }
8866
8867 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
8868 {
8869   static char *filename_levelinfo = NULL, *mod_name = NULL;
8870   FILE *file;
8871
8872   // annotate this copy-and-mod in personal levelinfo.conf
8873   setString(&filename_levelinfo,
8874             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
8875
8876   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
8877   {
8878     fprintf(file, "\n");
8879     fprintf(file, "# level %d was modified from:\n", level_nr);
8880     fprintf(file, "# - previous level set name:    %s\n",
8881             former_name);
8882     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
8883             level.file_info.nr, level.name);
8884     fprintf(file, "# - previous author:            %s\n",
8885             level.author);
8886     fprintf(file, "# - previous save date:         ");
8887
8888     if (level.creation_date.src == DATE_SRC_LEVELFILE)
8889     {
8890       fprintf(file, "%04d-%02d-%02d\n",
8891               level.creation_date.year,
8892               level.creation_date.month,
8893               level.creation_date.day);
8894     }
8895     else
8896     {
8897       fprintf(file, "not recorded\n");
8898     }
8899
8900     fclose(file);
8901   }
8902
8903   if (level_nr > leveldir_current->last_level)
8904     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
8905
8906   // else: allow the save even if annotation failed
8907
8908   // now... spray graffiti on the old level vital statistics
8909   // user can change these; just trying to set a good baseline
8910
8911   // don't truncate names for fear of making offensive or silly:
8912   // long-named original author only recorded in levelinfo.conf.
8913   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
8914   if (!strEqual(level.author, leveldir_current->author))
8915   {
8916     setString(&mod_name, getStringCat3(leveldir_current->author,
8917                                        " after ", level.author));
8918
8919     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8920       setString(&mod_name,
8921                 getStringCat2(leveldir_current->author, " (ed.)"));
8922
8923     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8924       setString(&mod_name, leveldir_current->author);
8925
8926     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
8927
8928     // less worried about truncation here
8929     setString(&mod_name, getStringCat2("Mod: ", level.name));
8930     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
8931   }
8932 }
8933
8934 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
8935                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
8936 {
8937   int x, y;
8938
8939   for (x = 0; x < lev_fieldx; x++)
8940     for (y = 0; y < lev_fieldy; y++)
8941       dst[x][y] = src[x][y];
8942 }
8943
8944 static int setSelectboxValue(int selectbox_id, int new_value)
8945 {
8946   int new_index_value = 0;
8947   int i;
8948
8949   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
8950     if (selectbox_info[selectbox_id].options[i].value == new_value)
8951       new_index_value = i;
8952
8953   *selectbox_info[selectbox_id].value =
8954     selectbox_info[selectbox_id].options[new_index_value].value;
8955
8956   return new_index_value;
8957 }
8958
8959 static void setSelectboxSpecialActionVariablesIfNeeded(void)
8960 {
8961   int i;
8962
8963   // change action mode and arg variables according to action type variable
8964   for (i = 0; action_arg_options[i].value != -1; i++)
8965   {
8966     if (action_arg_options[i].value == custom_element_change.action_type)
8967     {
8968       int mode = action_arg_options[i].mode;
8969
8970       // only change if corresponding selectbox has changed
8971       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
8972           action_arg_modes[mode])
8973         custom_element_change.action_mode = -1;
8974
8975       // only change if corresponding selectbox has changed
8976       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
8977           action_arg_options[i].options)
8978         custom_element_change.action_arg = -1;
8979
8980       break;
8981     }
8982   }
8983 }
8984
8985 static void setSelectboxSpecialActionOptions(void)
8986 {
8987   int i;
8988
8989   // change action mode and arg selectbox according to action type selectbox
8990   for (i = 0; action_arg_options[i].value != -1; i++)
8991   {
8992     if (action_arg_options[i].value == custom_element_change.action_type)
8993     {
8994       int mode = action_arg_options[i].mode;
8995
8996       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
8997                                    action_arg_modes[mode]);
8998       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
8999                                  custom_element_change.action_mode);
9000
9001       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9002                                    action_arg_options[i].options);
9003       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9004                                  custom_element_change.action_arg);
9005       break;
9006     }
9007   }
9008 }
9009
9010 static void copy_custom_element_settings(int element_from, int element_to)
9011 {
9012   struct ElementInfo *ei_from = &element_info[element_from];
9013   struct ElementInfo *ei_to = &element_info[element_to];
9014
9015   copyElementInfo(ei_from, ei_to);
9016 }
9017
9018 static void replace_custom_element_in_settings(int element_from,
9019                                                int element_to)
9020 {
9021   int i, j, x, y;
9022
9023   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9024   {
9025     struct ElementInfo *ei = &element_info[i];
9026
9027     for (y = 0; y < 3; y++)
9028       for (x = 0; x < 3; x++)
9029         if (ei->content.e[x][y] == element_from)
9030           ei->content.e[x][y] = element_to;
9031
9032     for (j = 0; j < ei->num_change_pages; j++)
9033     {
9034       struct ElementChangeInfo *change = &ei->change_page[j];
9035
9036       if (change->target_element == element_from)
9037         change->target_element = element_to;
9038
9039       if (change->initial_trigger_element == element_from)
9040         change->initial_trigger_element = element_to;
9041
9042       if (change->action_element == element_from)
9043         change->action_element = element_to;
9044
9045       for (y = 0; y < 3; y++)
9046         for (x = 0; x < 3; x++)
9047           if (change->target_content.e[x][y] == element_from)
9048             change->target_content.e[x][y] = element_to;
9049     }
9050
9051     if (ei->group != NULL)                              // group or internal
9052       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9053         if (ei->group->element[j] == element_from)
9054           ei->group->element[j] = element_to;
9055   }
9056 }
9057
9058 static void replace_custom_element_in_playfield(int element_from,
9059                                                 int element_to)
9060 {
9061   int x, y;
9062
9063   for (x = 0; x < lev_fieldx; x++)
9064     for (y = 0; y < lev_fieldy; y++)
9065       if (Tile[x][y] == element_from)
9066         Tile[x][y] = element_to;
9067 }
9068
9069 static boolean CopyCustomElement(int element_old, int element_new,
9070                                  int copy_mode)
9071 {
9072   int copy_mode_orig = copy_mode;
9073
9074   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9075   {
9076     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9077                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9078     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9079   }
9080   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9081   {
9082     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9083                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9084     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9085
9086     level.changed = TRUE;
9087   }
9088   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9089   {
9090     Request("Please choose custom element!", REQ_CONFIRM);
9091
9092     return FALSE;
9093   }
9094   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9095   {
9096     Request("Please choose group element!", REQ_CONFIRM);
9097
9098     return FALSE;
9099   }
9100   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9101   {
9102     Request("Please choose empty element!", REQ_CONFIRM);
9103
9104     return FALSE;
9105   }
9106   else
9107   {
9108     level.changed = TRUE;
9109   }
9110
9111   // when modifying custom/group element, ask for copying level template
9112   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9113   {
9114     if (!AskToCopyAndModifyLevelTemplate())
9115       return FALSE;
9116   }
9117
9118   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9119   {
9120     copy_custom_element_settings(element_new, element_old);
9121   }
9122   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9123   {
9124     copy_custom_element_settings(element_old, element_new);
9125   }
9126   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9127   {
9128     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9129     copy_custom_element_settings(element_new, element_old);
9130     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9131
9132     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9133     replace_custom_element_in_settings(element_new, element_old);
9134     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9135
9136     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9137     replace_custom_element_in_playfield(element_new, element_old);
9138     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9139   }
9140
9141   UpdateCustomElementGraphicGadgets();
9142   DrawPropertiesWindow();
9143
9144   return TRUE;
9145 }
9146
9147 static void CopyCustomElementPropertiesToEditor(int element)
9148 {
9149   int i;
9150   int current_change_page = element_info[element].current_change_page;
9151
9152   // dynamically (re)build selectbox for selecting change page
9153   for (i = 0; i < element_info[element].num_change_pages; i++)
9154   {
9155     sprintf(options_change_page_strings[i], "%d", i + 1);
9156
9157     options_change_page[i].value = i;
9158     options_change_page[i].text = options_change_page_strings[i];
9159   }
9160
9161   options_change_page[i].value = -1;
9162   options_change_page[i].text = NULL;
9163
9164   // needed here to initialize combined element properties
9165   InitElementPropertiesEngine(level.game_version);
9166
9167   element_info[element].change =
9168     &element_info[element].change_page[current_change_page];
9169
9170   custom_element = element_info[element];
9171   custom_element_change = *element_info[element].change;
9172
9173   // needed to initially set selectbox options for special action options
9174   setSelectboxSpecialActionOptions();
9175
9176   // needed to initially set selectbox value variables to reliable defaults
9177   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9178     setSelectboxValue(i, *selectbox_info[i].value);
9179
9180   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9181     custom_element_properties[i] = HAS_PROPERTY(element, i);
9182
9183   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9184     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9185
9186   // ---------- element settings: configure (custom elements) -----------------
9187
9188   // set accessible layer selectbox help value
9189   custom_element.access_type =
9190     (IS_WALKABLE(element) ? EP_WALKABLE :
9191      IS_PASSABLE(element) ? EP_PASSABLE :
9192      custom_element.access_type);
9193   custom_element.access_layer =
9194     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9195      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9196      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9197      custom_element.access_layer);
9198   custom_element.access_protected =
9199     (IS_PROTECTED(element) ? 1 : 0);
9200   custom_element_properties[EP_ACCESSIBLE] =
9201     (IS_ACCESSIBLE_OVER(element) ||
9202      IS_ACCESSIBLE_INSIDE(element) ||
9203      IS_ACCESSIBLE_UNDER(element));
9204
9205   // set walk-to-object action selectbox help value
9206   custom_element.walk_to_action =
9207     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9208      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9209      IS_DROPPABLE(element) ? EP_DROPPABLE :
9210      IS_THROWABLE(element) ? EP_THROWABLE :
9211      IS_PUSHABLE(element) ? EP_PUSHABLE :
9212      custom_element.walk_to_action);
9213   custom_element_properties[EP_WALK_TO_OBJECT] =
9214     (IS_DIGGABLE(element) ||
9215      IS_COLLECTIBLE_ONLY(element) ||
9216      IS_DROPPABLE(element) ||
9217      IS_THROWABLE(element) ||
9218      IS_PUSHABLE(element));
9219
9220   // set smash targets selectbox help value
9221   custom_element.smash_targets =
9222     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9223      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9224      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9225      custom_element.smash_targets);
9226   custom_element_properties[EP_CAN_SMASH] =
9227     (CAN_SMASH_EVERYTHING(element) ||
9228      CAN_SMASH_ENEMIES(element) ||
9229      CAN_SMASH_PLAYER(element));
9230
9231   // set deadliness selectbox help value
9232   custom_element.deadliness =
9233     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9234      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9235      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9236      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9237      custom_element.deadliness);
9238   custom_element_properties[EP_DEADLY] =
9239     (DONT_TOUCH(element) ||
9240      DONT_GET_HIT_BY(element) ||
9241      DONT_COLLIDE_WITH(element) ||
9242      DONT_RUN_INTO(element));
9243
9244   // ---------- element settings: advanced (custom elements) ------------------
9245
9246   // set "change by direct action" selectbox help value
9247   custom_element_change.direct_action =
9248     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9249      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9250      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9251      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9252      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9253      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9254      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9255      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9256      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9257      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9258      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9259      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9260      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9261      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9262      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9263      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9264      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9265      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9266      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9267      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9268      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9269      custom_element_change.direct_action);
9270
9271   // set "change by other element action" selectbox help value
9272   custom_element_change.other_action =
9273     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9274      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9275      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9276      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9277      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9278      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9279      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9280      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9281      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9282      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9283      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9284      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9285      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9286      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9287      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9288      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9289      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9290      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9291      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9292      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9293      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9294      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9295      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9296      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9297      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9298      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9299      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9300      custom_element_change.other_action);
9301 }
9302
9303 static void CopyGroupElementPropertiesToEditor(int element)
9304 {
9305   group_element_info = *element_info[element].group;
9306   custom_element = element_info[element];       // needed for description
9307 }
9308
9309 static void CopyEmptyElementPropertiesToEditor(int element)
9310 {
9311   custom_element = element_info[element];
9312 }
9313
9314 static void CopyClassicElementPropertiesToEditor(int element)
9315 {
9316   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9317     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9318       getMoveIntoAcidProperty(&level, element);
9319
9320   if (MAYBE_DONT_COLLIDE_WITH(element))
9321     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9322       getDontCollideWithProperty(&level, element);
9323 }
9324
9325 static void CopyElementPropertiesToEditor(int element)
9326 {
9327   if (IS_CUSTOM_ELEMENT(element))
9328     CopyCustomElementPropertiesToEditor(element);
9329   else if (IS_GROUP_ELEMENT(element))
9330     CopyGroupElementPropertiesToEditor(element);
9331   else if (IS_EMPTY_ELEMENT(element))
9332     CopyEmptyElementPropertiesToEditor(element);
9333   else
9334     CopyClassicElementPropertiesToEditor(element);
9335 }
9336
9337 static boolean AskToCopyAndModifyLevelTemplate(void)
9338 {
9339   if (Request("Copy and modify settings from level template?", REQ_ASK))
9340   {
9341     level.use_custom_template = FALSE;
9342
9343     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9344                  GDI_CHECKED, FALSE, GDI_END);
9345     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9346                  GDI_CHECKED, FALSE, GDI_END);
9347
9348     return TRUE;
9349   }
9350   else
9351   {
9352     LoadLevelTemplate(-1);      // this resets all element modifications ...
9353
9354     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9355
9356     return FALSE;
9357   }
9358 }
9359
9360 static void CopyCustomElementPropertiesToGame(int element)
9361 {
9362   int i;
9363   int access_type_and_layer;
9364
9365   // mark that this custom element has been modified
9366   custom_element.modified_settings = TRUE;
9367   level.changed = TRUE;
9368
9369   if (level.use_custom_template)
9370     AskToCopyAndModifyLevelTemplate();
9371
9372   element_info[element] = custom_element;
9373   *element_info[element].change = custom_element_change;
9374
9375   // ---------- element settings: configure (custom elements) -----------------
9376
9377   // set accessible property from checkbox and selectbox
9378   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9379   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9380   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9381   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9382   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9383   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9384   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9385                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9386                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9387   custom_element_properties[access_type_and_layer] =
9388     custom_element_properties[EP_ACCESSIBLE];
9389   custom_element_properties[EP_PROTECTED] =
9390     (custom_element.access_protected != 0 &&
9391      custom_element_properties[EP_ACCESSIBLE]);
9392
9393   // set walk-to-object property from checkbox and selectbox
9394   custom_element_properties[EP_DIGGABLE] = FALSE;
9395   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9396   custom_element_properties[EP_DROPPABLE] = FALSE;
9397   custom_element_properties[EP_THROWABLE] = FALSE;
9398   custom_element_properties[EP_PUSHABLE] = FALSE;
9399   custom_element_properties[custom_element.walk_to_action] =
9400     custom_element_properties[EP_WALK_TO_OBJECT];
9401
9402   // set smash property from checkbox and selectbox
9403   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9404   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9405   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9406   custom_element_properties[custom_element.smash_targets] =
9407     custom_element_properties[EP_CAN_SMASH];
9408
9409   // set deadliness property from checkbox and selectbox
9410   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9411   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9412   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9413   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9414   custom_element_properties[custom_element.deadliness] =
9415     custom_element_properties[EP_DEADLY];
9416
9417   // ---------- element settings: advanced (custom elements) ------------------
9418
9419   // set player change event from checkbox and selectbox
9420   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9421   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9422   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9423   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9424   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9425   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9426   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9427   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9428   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9429   custom_element_change_events[CE_SWITCHED] = FALSE;
9430   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9431   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9432   custom_element_change_events[CE_BLOCKED] = FALSE;
9433   custom_element_change_events[CE_IMPACT] = FALSE;
9434   custom_element_change_events[CE_SMASHED] = FALSE;
9435   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9436   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9437   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9438   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9439   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9440   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9441   custom_element_change_events[custom_element_change.direct_action] =
9442     custom_element_change_events[CE_BY_DIRECT_ACTION];
9443
9444   // set other element action change event from checkbox and selectbox
9445   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9446   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9447   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9448   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9449   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9450   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9451   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9452   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9453   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9454   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9455   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9456   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9457   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9458   custom_element_change_events[CE_HITTING_X] = FALSE;
9459   custom_element_change_events[CE_DIGGING_X] = FALSE;
9460   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9461   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9462   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9463   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9464   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9465   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9466   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9467   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9468   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9469   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9470   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9471   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9472   custom_element_change_events[custom_element_change.other_action] =
9473     custom_element_change_events[CE_BY_OTHER_ACTION];
9474
9475   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9476     SET_PROPERTY(element, i, custom_element_properties[i]);
9477
9478   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9479     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9480
9481   // copy change events also to special level editor variable
9482   custom_element = element_info[element];
9483   custom_element_change = *element_info[element].change;
9484
9485   // needed here to restore runtime value "element_info[element].gfx_element"
9486   InitElementPropertiesGfxElement();
9487 }
9488
9489 static void CopyGroupElementPropertiesToGame(int element)
9490 {
9491   // mark that this group element has been modified
9492   custom_element.modified_settings = TRUE;
9493   level.changed = TRUE;
9494
9495   if (level.use_custom_template)
9496     AskToCopyAndModifyLevelTemplate();
9497
9498   element_info[element] = custom_element;
9499   *element_info[element].group = group_element_info;
9500
9501   // needed here to restore runtime value "element_info[element].gfx_element"
9502   InitElementPropertiesGfxElement();
9503 }
9504
9505 static void CopyEmptyElementPropertiesToGame(int element)
9506 {
9507   // mark that this empty element has been modified
9508   custom_element.modified_settings = TRUE;
9509   level.changed = TRUE;
9510
9511   if (level.use_custom_template)
9512     AskToCopyAndModifyLevelTemplate();
9513
9514   element_info[element] = custom_element;
9515
9516   // needed here to restore runtime value "element_info[element].gfx_element"
9517   InitElementPropertiesGfxElement();
9518 }
9519
9520 static void CopyClassicElementPropertiesToGame(int element)
9521 {
9522   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9523     setMoveIntoAcidProperty(&level, element,
9524                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9525
9526   if (MAYBE_DONT_COLLIDE_WITH(element))
9527     setDontCollideWithProperty(&level, element,
9528                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9529 }
9530
9531 static void CopyElementPropertiesToGame(int element)
9532 {
9533   if (IS_CUSTOM_ELEMENT(element))
9534     CopyCustomElementPropertiesToGame(element);
9535   else if (IS_GROUP_ELEMENT(element))
9536     CopyGroupElementPropertiesToGame(element);
9537   else if (IS_EMPTY_ELEMENT(element))
9538     CopyEmptyElementPropertiesToGame(element);
9539   else
9540     CopyClassicElementPropertiesToGame(element);
9541 }
9542
9543 #if DEBUG
9544 static void CheckElementDescriptions(void)
9545 {
9546   int i;
9547
9548   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9549     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
9550       Warn("no element description file for element '%s'", EL_NAME(i));
9551 }
9552 #endif
9553
9554 static int getMaxEdFieldX(boolean has_scrollbar)
9555 {
9556   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
9557   int sxsize = SXSIZE - scrollbar_width;
9558   int max_ed_fieldx = sxsize / ed_tilesize;
9559
9560   return max_ed_fieldx;
9561 }
9562
9563 static int getMaxEdFieldY(boolean has_scrollbar)
9564 {
9565   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
9566                          INFOTEXT_YSIZE_FULL : 0);
9567   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
9568   int sysize = SYSIZE - scrollbar_height - infotext_height;
9569   int max_ed_fieldy = sysize / ed_tilesize;
9570
9571   return max_ed_fieldy;
9572 }
9573
9574 static void InitZoomLevelSettings(int zoom_tilesize)
9575 {
9576   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
9577
9578   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
9579   {
9580     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
9581     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
9582
9583     // make sure that tile size is always a power of 2
9584     ed_tilesize = (1 << log_2(ed_tilesize));
9585
9586     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9587     {
9588       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
9589       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
9590     }
9591   }
9592
9593   last_game_engine_type = level.game_engine_type;
9594
9595   // limit zoom tilesize by upper and lower bound
9596   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
9597
9598   // store zoom tilesize in auto setup file only if it was manually changed
9599   if (zoom_tilesize != -1)
9600     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
9601
9602   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
9603   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
9604 }
9605
9606 static void InitDrawingElements(void)
9607 {
9608   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
9609
9610   if (level.game_engine_type == game_engine_type_last)
9611     return;
9612
9613   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9614   {
9615     new_element1 = EL_BD_WALL;
9616     new_element2 = EL_EMPTY;
9617     new_element3 = EL_BD_SAND;
9618   }
9619   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
9620   {
9621     new_element1 = EL_SP_CHIP_SINGLE;
9622     new_element2 = EL_EMPTY;
9623     new_element3 = EL_SP_BASE;
9624   }
9625   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9626   {
9627     new_element1 = EL_MM_MIRROR_START;
9628     new_element2 = EL_EMPTY;
9629     new_element3 = EL_MM_WOODEN_WALL;
9630   }
9631   else
9632   {
9633     new_element1 = EL_WALL;
9634     new_element2 = EL_EMPTY;
9635     new_element3 = EL_SAND;
9636   }
9637
9638   game_engine_type_last = level.game_engine_type;
9639 }
9640
9641 static void InitLevelSetInfo(void)
9642 {
9643   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
9644            "%s", leveldir_current->name);
9645   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
9646            "%s", leveldir_current->author);
9647
9648   levelset_num_levels = leveldir_current->levels;
9649
9650   levelset_use_levelset_artwork = FALSE;
9651   levelset_copy_level_template = FALSE;
9652
9653   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
9654 }
9655
9656 static void ChangeEditorToLevelSet(char *levelset_subdir)
9657 {
9658   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
9659
9660   // the previous level set might have used custom artwork
9661   ReloadCustomArtwork(0);
9662
9663   LoadLevelSetup_SeriesInfo();
9664
9665   SaveLevelSetup_LastSeries();
9666   SaveLevelSetup_SeriesInfo();
9667
9668   TapeErase();
9669
9670   LoadLevel(level_nr);
9671   LoadScore(level_nr);
9672
9673   DrawLevelEd();
9674 }
9675
9676 static boolean useEditorDoorAnimation(void)
9677 {
9678   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
9679   boolean door_1_viewport_unchanged =
9680     (vp_door_1->x      == DX     &&
9681      vp_door_1->y      == DY     &&
9682      vp_door_1->width  == DXSIZE &&
9683      vp_door_1->height == DYSIZE);
9684   boolean door_1_contains_toolbox =
9685     (EX >= DX &&
9686      EY >= DY &&
9687      EX + EXSIZE <= DX + DXSIZE &&
9688      EY + EYSIZE <= DY + DYSIZE);
9689
9690   return (door_1_viewport_unchanged && door_1_contains_toolbox);
9691 }
9692
9693 static void DrawEditorDoorBackground(int graphic, int x, int y,
9694                                      int width, int height)
9695 {
9696   struct GraphicInfo *g = &graphic_info[graphic];
9697
9698   if (g->bitmap != NULL)
9699     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
9700                MIN(width, g->width), MIN(height, g->height), x, y);
9701   else
9702     ClearRectangle(drawto, x, y, width, height);
9703 }
9704
9705 static void DrawEditorDoorContent(void)
9706 {
9707   // needed for gadgets drawn on background (like palette scrollbar)
9708   SetDoorBackgroundImage(IMG_UNDEFINED);
9709
9710   // copy default editor door content to main double buffer
9711   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
9712
9713   // draw bigger door
9714   DrawSpecialEditorDoor();
9715
9716   // draw new control window
9717   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
9718
9719   // draw all toolbox gadgets to editor doors
9720   MapControlButtons();
9721
9722   // when returning from test game to properties page, redraw toolbox gadgets
9723   if (edit_mode == ED_MODE_PROPERTIES)
9724   {
9725     UnmapLevelEditorToolboxDrawingGadgets();
9726     UnmapLevelEditorToolboxCustomGadgets();
9727
9728     MapLevelEditorToolboxCustomGadgetsIfNeeded();
9729   }
9730
9731   // draw all palette gadgets to editor doors
9732   ModifyEditorElementList();
9733   RedrawDrawingElements();
9734
9735   // copy actual editor door content to door double buffer for OpenDoor()
9736   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
9737 }
9738
9739 void DrawLevelEd(void)
9740 {
9741   int fade_mask = REDRAW_FIELD;
9742
9743   FadeSoundsAndMusic();
9744
9745   if (CheckFadeAll())
9746     fade_mask = REDRAW_ALL;
9747
9748   FadeOut(fade_mask);
9749
9750   // needed if different viewport properties defined for editor
9751   ChangeViewportPropertiesIfNeeded();
9752
9753   ClearField();
9754
9755   InitZoomLevelSettings(-1);
9756   InitDrawingElements();
9757   InitLevelSetInfo();
9758
9759 #if DEBUG
9760   CheckElementDescriptions();
9761 #endif
9762
9763   if (level_editor_test_game)
9764   {
9765     CopyPlayfield(level.field, Tile);
9766     CopyPlayfield(TileBackup, level.field);
9767
9768     level_editor_test_game = FALSE;
9769   }
9770   else
9771   {
9772     edit_mode = ED_MODE_DRAWING;
9773     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
9774     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
9775
9776     ResetUndoBuffer();
9777
9778     level_xpos = -1;
9779     level_ypos = -1;
9780   }
9781
9782   // redraw_mask |= REDRAW_ALL;
9783
9784   FreeLevelEditorGadgets();
9785   CreateLevelEditorGadgets();
9786
9787   ReinitializeElementList();            // update dynamic level element list
9788   ReinitializeElementListButtons();     // custom element may look different
9789
9790   InitElementPropertiesGfxElement();
9791
9792   UnmapAllGadgets();
9793
9794   DrawEditModeWindow_PlayfieldOnly();
9795
9796   DrawMaskedBorder(fade_mask);
9797
9798   // use door animation if door 1 viewport is unchanged and contains toolbox
9799   if (useEditorDoorAnimation())
9800   {
9801     FadeIn(fade_mask);
9802
9803     DrawEditorDoorContent();
9804
9805     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
9806   }
9807   else
9808   {
9809     DrawEditorDoorContent();
9810
9811     FadeIn(fade_mask);
9812   }
9813
9814   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
9815 }
9816
9817 static void AdjustDrawingAreaGadgets(void)
9818 {
9819   int ed_xsize = lev_fieldx + 2;
9820   int ed_ysize = lev_fieldy + 2;
9821   int max_ed_fieldx = MAX_ED_FIELDX;
9822   int max_ed_fieldy = MAX_ED_FIELDY;
9823   boolean horizontal_scrollbar_needed;
9824   boolean vertical_scrollbar_needed;
9825   int x, y, width, height;
9826
9827   if (suppressBorderElement())
9828   {
9829     ed_xsize = lev_fieldx;
9830     ed_ysize = lev_fieldy;
9831   }
9832
9833   // check if we need any scrollbars
9834   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9835   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9836
9837   // check if we have a smaller editor field because of scrollbars
9838   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9839   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9840
9841   // check again if we now need more scrollbars because of less space
9842   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9843   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9844
9845   // check if editor field gets even smaller after adding new scrollbars
9846   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9847   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9848
9849   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
9850   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
9851
9852   x = SX + ed_fieldx * ed_tilesize;
9853   y = SY + ed_fieldy * ed_tilesize;
9854
9855   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
9856   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
9857
9858   // adjust drawing area gadget
9859   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
9860                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
9861                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
9862                GDI_END);
9863
9864   // adjust horizontal scrollbar gadgets
9865   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
9866                GDI_Y, y,
9867                GDI_END);
9868   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
9869                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
9870                GDI_Y, y,
9871                GDI_END);
9872   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
9873                GDI_Y, y,
9874                GDI_WIDTH, width,
9875                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
9876                GDI_END);
9877
9878   // adjust vertical scrollbar gadgets
9879   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
9880                GDI_X, x,
9881                GDI_END);
9882   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
9883                GDI_X, x,
9884                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
9885                GDI_END);
9886   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
9887                GDI_X, x,
9888                GDI_HEIGHT, height,
9889                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
9890                GDI_END);
9891 }
9892
9893 static void AdjustLevelScrollPosition(void)
9894 {
9895   if (level_xpos < -1)
9896     level_xpos = -1;
9897   if (level_xpos > lev_fieldx - ed_fieldx + 1)
9898     level_xpos = lev_fieldx - ed_fieldx + 1;
9899   if (lev_fieldx < ed_fieldx - 2)
9900     level_xpos = -1;
9901
9902   if (level_ypos < -1)
9903     level_ypos = -1;
9904   if (level_ypos > lev_fieldy - ed_fieldy + 1)
9905     level_ypos = lev_fieldy - ed_fieldy + 1;
9906   if (lev_fieldy < ed_fieldy - 2)
9907     level_ypos = -1;
9908
9909   if (suppressBorderElement())
9910   {
9911     level_xpos = 0;
9912     level_ypos = 0;
9913   }
9914 }
9915
9916 static void AdjustEditorScrollbar(int id)
9917 {
9918   struct GadgetInfo *gi = level_editor_gadget[id];
9919   int items_max, items_visible, item_position;
9920
9921   if (id == GADGET_ID_SCROLL_HORIZONTAL)
9922   {
9923     items_max = MAX(lev_fieldx + 2, ed_fieldx);
9924     items_visible = ed_fieldx;
9925     item_position = level_xpos + 1;
9926   }
9927   else
9928   {
9929     items_max = MAX(lev_fieldy + 2, ed_fieldy);
9930     items_visible = ed_fieldy;
9931     item_position = level_ypos + 1;
9932   }
9933
9934   if (item_position > items_max - items_visible)
9935     item_position = items_max - items_visible;
9936
9937   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9938                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9939 }
9940
9941 static void AdjustElementListScrollbar(void)
9942 {
9943   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
9944   int items_max, items_visible, item_position;
9945
9946   // correct position of element list scrollbar
9947   if (element_shift < 0)
9948     element_shift = 0;
9949   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
9950     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
9951
9952   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
9953   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
9954   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
9955
9956   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9957                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9958                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9959 }
9960
9961 static void ModifyEditorCounterValue(int counter_id, int new_value)
9962 {
9963   int *counter_value = counterbutton_info[counter_id].value;
9964   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9965   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9966
9967   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
9968
9969   if (counter_value != NULL)
9970     *counter_value = gi->textinput.number_value;
9971 }
9972
9973 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
9974 {
9975   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9976   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9977
9978   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
9979
9980   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
9981       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
9982   {
9983     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
9984     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
9985
9986     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
9987     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
9988                  GDI_END);
9989   }
9990 }
9991
9992 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
9993 {
9994   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9995   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9996   int new_index_value = setSelectboxValue(selectbox_id, new_value);
9997
9998   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
9999 }
10000
10001 static void ModifyEditorSelectboxOptions(int selectbox_id,
10002                                          struct ValueTextInfo *options)
10003 {
10004   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10005   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10006
10007   selectbox_info[selectbox_id].options = options;
10008
10009   // set index to zero -- list may be shorter now (correct later, if needed)
10010   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10011                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10012 }
10013
10014 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10015 {
10016   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10017   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10018
10019   drawingarea_info[drawingarea_id].area_xsize = xsize;
10020   drawingarea_info[drawingarea_id].area_ysize = ysize;
10021
10022   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10023 }
10024
10025 static void ModifyEditorElementList(void)
10026 {
10027   int i;
10028
10029   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10030     return;
10031
10032   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10033   {
10034     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10035     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10036     struct GadgetDesign *gd = &gi->deco.design;
10037     int element = editor_elements[element_shift + i];
10038     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10039
10040     UnmapGadget(gi);
10041
10042     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10043
10044     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10045
10046     MapGadget(gi);
10047   }
10048 }
10049
10050 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10051 {
10052   int graphic = el2edimg(element);
10053   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10054
10055   if (pos->x == -1 &&
10056       pos->y == -1)
10057     return;
10058
10059   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10060 }
10061
10062 static void ModifyDrawingElementButton(int element, int id)
10063 {
10064   struct GadgetInfo *gi = level_editor_gadget[id];
10065   Bitmap *deco_bitmap;
10066   int deco_x, deco_y;
10067   int tile_size = gi->deco.width;
10068
10069   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10070
10071   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10072 }
10073
10074 static void PickDrawingElement(int button, int element)
10075 {
10076   struct
10077   {
10078     int *new_element;
10079     struct XYTileSize *pos;
10080     int id;
10081   } de, drawing_elements[] =
10082   {
10083     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10084     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10085     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10086   };
10087
10088   if (button < 1 || button > 3)
10089     return;
10090
10091   if (IS_MM_WALL(element))
10092     element = map_mm_wall_element(element);
10093
10094   de = drawing_elements[button - 1];
10095
10096   *de.new_element = element;    // update global drawing element variable
10097
10098   DrawDrawingElementGraphic(element, de.pos);
10099   ModifyDrawingElementButton(element, de.id);
10100
10101   redraw_mask |= REDRAW_DOOR_1;
10102 }
10103
10104 static void RedrawDrawingElements(void)
10105 {
10106   PickDrawingElement(1, new_element1);
10107   PickDrawingElement(2, new_element2);
10108   PickDrawingElement(3, new_element3);
10109 }
10110
10111 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10112 {
10113   stick_element_properties_window = FALSE;
10114
10115   SetMainBackgroundImage(IMG_UNDEFINED);
10116   ClearField();
10117
10118   UnmapLevelEditorFieldGadgets();
10119
10120   AdjustDrawingAreaGadgets();
10121   AdjustLevelScrollPosition();
10122   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10123   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10124
10125   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10126
10127   MapMainDrawingArea();
10128
10129   if (remap_toolbox_gadgets)
10130   {
10131     UnmapLevelEditorToolboxCustomGadgets();
10132     MapLevelEditorToolboxDrawingGadgets();
10133   }
10134 }
10135
10136 static void DrawDrawingWindow(void)
10137 {
10138   DrawDrawingWindowExt(TRUE);
10139 }
10140
10141 static int getTabulatorBarWidth(void)
10142 {
10143   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10144   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10145
10146   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10147 }
10148
10149 static int getTabulatorBarHeight(void)
10150 {
10151   return ED_TAB_BAR_HEIGHT;
10152 }
10153
10154 static Pixel getTabulatorBarColor(void)
10155 {
10156   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10157   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10158   int gd_x = gd->x + gd_gi1->border.width / 2;
10159   int gd_y = gd->y + gd_gi1->height - 1;
10160
10161   return GetPixel(gd->bitmap, gd_x, gd_y);
10162 }
10163
10164 static void DrawLevelConfigTabulatorGadgets(void)
10165 {
10166   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10167   Pixel tab_color = getTabulatorBarColor();
10168   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10169   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10170   int i;
10171
10172   // draw additional "engine" tabulator when using native BD engine
10173   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10174     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10175
10176   for (i = id_first; i <= id_last; i++)
10177   {
10178     int gadget_id = textbutton_info[i].gadget_id;
10179     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10180     boolean active = (i != edit_mode_levelconfig);
10181
10182     // draw background line below tabulator button
10183     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10184
10185     // draw solid line below inactive tabulator buttons
10186     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10187       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10188                     ED_GADGET_TINY_DISTANCE, tab_color);
10189
10190     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10191     MapTextbuttonGadget(i);
10192   }
10193
10194   // draw little border line below tabulator buttons
10195   if (tab_color != BLACK_PIXEL)                 // black => transparent
10196     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10197                   ED_GADGET_TINY_DISTANCE,
10198                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10199 }
10200
10201 static void DrawPropertiesTabulatorGadgets(void)
10202 {
10203   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10204   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10205   int gd_x = gd->x + gd_gi1->border.width / 2;
10206   int gd_y = gd->y + gd_gi1->height - 1;
10207   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10208   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10209   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10210   int i;
10211
10212   // draw two config tabulators for player elements
10213   if (IS_PLAYER_ELEMENT(properties_element))
10214     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10215
10216   // draw two config and one "change" tabulator for custom elements
10217   if (IS_CUSTOM_ELEMENT(properties_element))
10218     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10219
10220   for (i = id_first; i <= id_last; i++)
10221   {
10222     int gadget_id = textbutton_info[i].gadget_id;
10223     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10224     boolean active = (i != edit_mode_properties);
10225
10226     // use "config 1" and "config 2" instead of "config" for players and CEs
10227     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
10228         (IS_PLAYER_ELEMENT(properties_element) ||
10229          IS_CUSTOM_ELEMENT(properties_element)))
10230       continue;
10231
10232     // draw background line below tabulator button
10233     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10234
10235     // draw solid line below inactive tabulator buttons
10236     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10237       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10238                     ED_GADGET_TINY_DISTANCE, tab_color);
10239
10240     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10241     MapTextbuttonGadget(i);
10242   }
10243
10244   // draw little border line below tabulator buttons
10245   if (tab_color != BLACK_PIXEL)                 // black => transparent
10246     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10247                   ED_GADGET_TINY_DISTANCE,
10248                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10249 }
10250
10251 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10252 {
10253   DrawText(SX + xpos, SY + ypos, text, font_nr);
10254 }
10255
10256 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10257                                            int xpos, int ypos)
10258 {
10259   int font_width = getFontWidth(font_nr);
10260   int font_height = getFontHeight(font_nr);
10261   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10262   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10263
10264   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10265                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10266                       TRUE, FALSE, FALSE);
10267 }
10268
10269 static void DrawLevelConfigLevel(void)
10270 {
10271   int i;
10272
10273   // draw counter gadgets
10274   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10275     MapCounterButtons(i);
10276
10277   // draw checkbutton gadgets
10278   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10279     MapCheckbuttonGadget(i);
10280
10281   // draw selectbox gadgets
10282   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10283     MapSelectboxGadget(i);
10284
10285   // draw text input gadgets
10286   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10287     MapTextInputGadget(i);
10288 }
10289
10290 static char *getLevelSubdirFromSaveMode(int save_mode)
10291 {
10292   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10293     return getNewUserLevelSubdir();
10294
10295   return leveldir_current->subdir;
10296 }
10297
10298 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10299 {
10300   char *directory_text = "Level set directory:";
10301   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10302   int font1_nr = FONT_TEXT_1;
10303   int font2_nr = FONT_TEXT_2;
10304   int font1_height = getFontHeight(font1_nr);
10305   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10306   int x = ED_LEVEL_SETTINGS_X(0);
10307   int y = ED_LEVEL_SETTINGS_Y(6);
10308
10309   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10310   PrintInfoText(directory_name, font2_nr, x, y);
10311 }
10312
10313 static void DrawLevelConfigLevelSet(void)
10314 {
10315   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10316   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10317   int i;
10318
10319   // draw counter gadgets
10320   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10321     MapCounterButtons(i);
10322
10323   // draw checkbutton gadgets
10324   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10325   {
10326     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10327         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10328         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10329       continue;
10330
10331     MapCheckbuttonGadget(i);
10332   }
10333
10334   // draw selectbox gadgets
10335   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10336     MapSelectboxGadget(i);
10337
10338   // draw text input gadgets
10339   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10340     MapTextInputGadget(i);
10341
10342   // draw textbutton gadgets
10343   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10344
10345   // draw info text
10346   DrawLevelConfigLevelSet_DirectoryInfo();
10347 }
10348
10349 static void DrawLevelConfigEditor(void)
10350 {
10351   int i;
10352
10353   // draw counter gadgets
10354   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10355     MapCounterButtons(i);
10356
10357   // draw checkbutton gadgets
10358   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10359     MapCheckbuttonGadget(i);
10360
10361   // draw radiobutton gadgets
10362   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10363     MapRadiobuttonGadget(i);
10364
10365   // draw drawing area
10366   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10367
10368   // draw textbutton gadgets
10369   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10370 }
10371
10372 static void DrawLevelConfigEngine(void)
10373 {
10374   int i;
10375
10376   // draw counter gadgets
10377   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10378   {
10379     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10380     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10381   }
10382   else
10383   {
10384     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10385     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10386   }
10387
10388   // draw checkbutton gadgets
10389   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10390     MapCheckbuttonGadget(i);
10391
10392   // draw selectbox gadgets
10393   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10394     MapSelectboxGadget(i);
10395 }
10396
10397 static void DrawLevelConfigWindow(void)
10398 {
10399   char *text = "Global Settings";
10400   int font_nr = FONT_TITLE_1;
10401   struct MenuPosInfo *pos = &editor.settings.headline;
10402   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10403   int sy = SY + pos->y;
10404
10405   stick_element_properties_window = FALSE;
10406
10407   SetAutomaticNumberOfGemsNeeded();
10408
10409   UnmapLevelEditorFieldGadgets();
10410
10411   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10412   ClearField();
10413
10414   DrawText(sx, sy, text, font_nr);
10415
10416   DrawLevelConfigTabulatorGadgets();
10417
10418   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10419     DrawLevelConfigLevel();
10420   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10421     DrawLevelConfigLevelSet();
10422   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10423     DrawLevelConfigEditor();
10424   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10425     DrawLevelConfigEngine();
10426 }
10427
10428 static void DrawCustomContentArea(void)
10429 {
10430   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10431   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10432   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10433   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10434   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10435   int xoffset = ED_GADGET_SPACE_DISTANCE;
10436
10437   // add distance for potential left text (without drawing area border)
10438   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10439
10440   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10441
10442   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10443 }
10444
10445 static void DrawCustomChangeContentArea(void)
10446 {
10447   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10448   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10449   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10450   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10451   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10452   int xoffset = ED_GADGET_SPACE_DISTANCE;
10453
10454   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10455
10456   MapDrawingArea(id);
10457 }
10458
10459 static void RemoveElementContentArea(int id, int font_height)
10460 {
10461   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10462
10463   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10464                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10465                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10466                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10467                  ED_GADGET_TEXT_DISTANCE + font_height);
10468 }
10469
10470 static void DrawYamYamContentAreas(void)
10471 {
10472   int font_nr = FONT_TEXT_1;
10473   int font_height = getFontHeight(font_nr);
10474   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10475   int yoffset = (tilesize - font_height) / 2;
10476   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10477   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10478   int i;
10479
10480   // display counter to choose number of element content areas
10481   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10482
10483   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10484   {
10485     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10486
10487     if (i < level.num_yamyam_contents)
10488     {
10489       MapDrawingArea(id);
10490     }
10491     else
10492     {
10493       UnmapDrawingArea(id);
10494
10495       // delete content areas in case of reducing number of them
10496       RemoveElementContentArea(id, font_height);
10497     }
10498   }
10499
10500   DrawText(x, y + 0 * tilesize, "content", font_nr);
10501   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10502   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10503 }
10504
10505 static void DrawMagicBallContentAreas(void)
10506 {
10507   int font_nr = FONT_TEXT_1;
10508   int font_height = getFontHeight(font_nr);
10509   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10510   int yoffset = (tilesize - font_height) / 2;
10511   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10512   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10513   int i;
10514
10515   // display counter to choose number of element content areas
10516   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10517
10518   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10519   {
10520     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10521
10522     if (i < level.num_ball_contents)
10523     {
10524       MapDrawingArea(id);
10525     }
10526     else
10527     {
10528       UnmapDrawingArea(id);
10529
10530       // delete content areas in case of reducing number of them
10531       RemoveElementContentArea(id, font_height);
10532     }
10533   }
10534
10535   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10536   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10537   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10538 }
10539
10540 static void DrawAndroidElementArea(void)
10541 {
10542   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10543   int num_elements = level.num_android_clone_elements;
10544   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10545   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10546   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10547   int xsize = MAX_ANDROID_ELEMENTS;
10548   int ysize = 1;
10549
10550   // display counter to choose number of element areas
10551   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
10552
10553   if (drawingarea_info[id].text_left != NULL)
10554     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10555
10556   UnmapDrawingArea(id);
10557
10558   ModifyEditorDrawingArea(id, num_elements, 1);
10559
10560   // delete content areas in case of reducing number of them
10561   DrawBackground(sx, sy,
10562                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10563                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10564
10565   MapDrawingArea(id);
10566 }
10567
10568 static void DrawGroupElementArea(void)
10569 {
10570   int id = ED_DRAWING_ID_GROUP_CONTENT;
10571   int num_elements = group_element_info.num_elements;
10572   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10573   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10574   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10575   int xsize = MAX_ELEMENTS_IN_GROUP;
10576   int ysize = 1;
10577
10578   if (drawingarea_info[id].text_left != NULL)
10579     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10580
10581   UnmapDrawingArea(id);
10582
10583   ModifyEditorDrawingArea(id, num_elements, 1);
10584
10585   // delete content areas in case of reducing number of them
10586   DrawBackground(sx, sy,
10587                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10588                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10589
10590   MapDrawingArea(id);
10591 }
10592
10593 static void DrawPlayerInitialInventoryArea(int element)
10594 {
10595   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
10596   int player_nr = GET_PLAYER_NR(element);
10597   int num_elements = level.initial_inventory_size[player_nr];
10598   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10599   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10600   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10601   int xsize = MAX_INITIAL_INVENTORY_SIZE;
10602   int ysize = 1;
10603
10604   // determine horizontal position to the right of specified gadget
10605   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
10606     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
10607           ED_DRAWINGAREA_TEXT_DISTANCE);
10608
10609   // determine horizontal offset for leading text
10610   if (drawingarea_info[id].text_left != NULL)
10611     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10612
10613   UnmapDrawingArea(id);
10614
10615   ModifyEditorDrawingArea(id, num_elements, 1);
10616
10617   // delete content areas in case of reducing number of them
10618   DrawBackground(sx, sy,
10619                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10620                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10621
10622   MapDrawingArea(id);
10623 }
10624
10625 static void DrawMMBallContentArea(void)
10626 {
10627   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
10628   int num_elements = level.num_mm_ball_contents;
10629   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10630   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10631   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10632   int xsize = MAX_MM_BALL_CONTENTS;
10633   int ysize = 1;
10634
10635   if (drawingarea_info[id].text_left != NULL)
10636     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10637
10638   UnmapDrawingArea(id);
10639
10640   ModifyEditorDrawingArea(id, num_elements, 1);
10641
10642   // delete content areas in case of reducing number of them
10643   DrawBackground(sx, sy,
10644                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10645                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10646
10647   MapDrawingArea(id);
10648 }
10649
10650 static void DrawEnvelopeTextArea(int envelope_nr)
10651 {
10652   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
10653   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
10654
10655   UnmapGadget(gi);
10656
10657   DrawBackground(gi->x, gi->y,
10658                  gi->textarea.crop_width, gi->textarea.crop_height);
10659
10660   if (envelope_nr != -1)
10661     textarea_info[id].value = level.envelope[envelope_nr].text;
10662
10663   ModifyGadget(gi, GDI_AREA_SIZE,
10664                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
10665                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
10666                GDI_END);
10667
10668   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
10669 }
10670
10671 static void DrawPropertiesInfo(void)
10672 {
10673   static struct
10674   {
10675     int value;
10676     char *text;
10677   }
10678   properties[] =
10679   {
10680     // configurable properties
10681
10682     { EP_WALKABLE_OVER,         "- player can walk over it"             },
10683     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
10684     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
10685     { EP_PASSABLE_OVER,         "- player can pass over it"             },
10686     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
10687     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
10688     { EP_PROTECTED,             "- player is protected by it"           },
10689
10690     { EP_DIGGABLE,              "- can be digged away"                  },
10691     { EP_COLLECTIBLE,           "- can be collected"                    },
10692     { EP_DROPPABLE,             "- can be dropped after collecting"     },
10693     { EP_THROWABLE,             "- can be thrown after collecting"      },
10694     { EP_PUSHABLE,              "- can be pushed"                       },
10695
10696     { EP_CAN_FALL,              "- can fall"                            },
10697     { EP_CAN_MOVE,              "- can move"                            },
10698
10699     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
10700 #if 0
10701     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
10702 #endif
10703     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
10704
10705     { EP_SLIPPERY,              "- slippery for falling elements"       },
10706     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
10707
10708     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
10709     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
10710     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
10711     { EP_DONT_TOUCH,            "- deadly when touching"                },
10712
10713     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
10714
10715     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
10716     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
10717     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
10718
10719     { EP_CAN_CHANGE,            "- can change to other element"         },
10720
10721     // pre-defined properties
10722     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
10723     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
10724     { EP_SWITCHABLE,            "- can be switched"                     },
10725 #if 0
10726     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
10727 #endif
10728
10729     { -1,                       NULL                                    }
10730   };
10731   char *filename = getElementDescriptionFilename(properties_element);
10732   char *num_elements_text = "In this level: ";
10733   char *num_similar_text = "Similar tiles: ";
10734   char *properties_text = "Standard properties: ";
10735   char *description_text = "Description:";
10736   char *no_description_text = "No description available.";
10737   char *none_text = "None";
10738   float percentage;
10739   int num_elements_in_level = 0;
10740   int num_similar_in_level = 0;
10741   int num_hires_tiles_in_level = 0;
10742   int num_standard_properties = 0;
10743   int font1_nr = FONT_TEXT_1;
10744   int font2_nr = FONT_TEXT_2;
10745   int font1_width = getFontWidth(font1_nr);
10746   int font1_height = getFontHeight(font1_nr);
10747   int font2_height = getFontHeight(font2_nr);
10748   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
10749   int font2_yoffset = (font1_height - font2_height) / 2;
10750   int num_elements_text_len = strlen(num_elements_text) * font1_width;
10751   int num_similar_text_len = strlen(num_similar_text) * font1_width;
10752   int properties_text_len = strlen(properties_text) * font1_width;
10753   int xpos = ED_ELEMENT_SETTINGS_X(0);
10754   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10755   int i, x, y;
10756
10757   if (setup.editor.show_element_token)
10758   {
10759     int font3_nr = FONT_TEXT_3;
10760     int font3_height = getFontHeight(font3_nr);
10761
10762     DrawTextF(xpos, ypos, font3_nr,
10763               "[%s]", element_info[properties_element].token_name);
10764
10765     ypos += 2 * font3_height;
10766   }
10767
10768   // ----- print number of elements / percentage of this element in level
10769
10770   for (y = 0; y < lev_fieldy; y++)
10771   {
10772     for (x = 0; x < lev_fieldx; x++)
10773     {
10774       if (Tile[x][y] == properties_element)
10775       {
10776         num_elements_in_level++;
10777       }
10778       else if (IS_MM_WALL(Tile[x][y]) &&
10779                map_mm_wall_element(Tile[x][y]) == properties_element)
10780       {
10781         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
10782       }
10783     }
10784   }
10785
10786   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10787
10788   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
10789
10790   if (num_hires_tiles_in_level > 0)
10791     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10792               "%d wall tiles", num_hires_tiles_in_level);
10793   else if (num_elements_in_level > 0)
10794     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10795               "%d (%.2f %%)", num_elements_in_level, percentage);
10796   else
10797     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10798               none_text);
10799
10800   // ----- print number of similar elements / percentage of them in level
10801
10802   for (y = 0; y < lev_fieldy; y++)
10803   {
10804     for (x = 0; x < lev_fieldx; x++)
10805     {
10806       if (strEqual(element_info[Tile[x][y]].class_name,
10807                    element_info[properties_element].class_name))
10808       {
10809         num_similar_in_level++;
10810       }
10811     }
10812   }
10813
10814   if (num_similar_in_level != num_elements_in_level)
10815   {
10816     ypos += 1 * MAX(font1_height, font2_height);
10817
10818     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10819
10820     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
10821
10822     if (num_similar_in_level > 0)
10823       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10824                 "%d (%.2f %%)", num_similar_in_level, percentage);
10825     else
10826       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10827                 none_text);
10828   }
10829
10830   ypos += 2 * MAX(font1_height, font2_height);
10831
10832   // ----- print standard properties of this element
10833
10834   DrawTextS(xpos, ypos, font1_nr, properties_text);
10835
10836   ypos += line1_height;
10837
10838   for (i = 0; properties[i].value != -1; i++)
10839   {
10840     if (!HAS_PROPERTY(properties_element, properties[i].value))
10841       continue;
10842
10843     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
10844
10845     ypos += font2_height;
10846
10847     num_standard_properties++;
10848   }
10849
10850   if (num_standard_properties == 0)
10851   {
10852     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
10853               font2_nr, none_text);
10854
10855     ypos -= (line1_height - font1_height);
10856   }
10857
10858   ypos += MAX(font1_height, font2_height);
10859
10860   // ----- print special description of this element
10861
10862   PrintInfoText(description_text, font1_nr, xpos, ypos);
10863
10864   ypos += line1_height;
10865
10866   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
10867     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
10868 }
10869
10870 #define TEXT_COLLECTING         "Score for collecting"
10871 #define TEXT_COLLECTING_EXTRA   "Score for extra diamonds"
10872 #define TEXT_SMASHING           "Score for smashing"
10873 #define TEXT_SLURPING           "Score for slurping robot"
10874 #define TEXT_CRACKING           "Score for cracking"
10875 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
10876 #define TEXT_AMOEBA_THRESHOED   "Size for turning to rocks"
10877 #define TEXT_AMOEBA_SLOW_TIME   "Slow growth time (seconds)"
10878 #define TEXT_AMOEBA_SLOW_RATE   "Slow growth rate (percent)"
10879 #define TEXT_AMOEBA_FAST_RATE   "Fast growth rate (percent)"
10880 #define TEXT_DURATION           "Duration when activated"
10881 #define TEXT_DELAY_ON           "Delay before activating"
10882 #define TEXT_DELAY_OFF          "Delay before deactivating"
10883 #define TEXT_DELAY_CHANGING     "Delay before changing"
10884 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
10885 #define TEXT_DELAY_MOVING       "Delay before moving"
10886 #define TEXT_BALL_DELAY         "Element generation delay"
10887 #define TEXT_MOVE_SPEED         "Speed of android moving"
10888 #define TEXT_CLONE_SPEED        "Speed of android cloning"
10889 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
10890 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
10891 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
10892 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
10893 #define TEXT_TIME_BONUS         "Extra time to solve level"
10894 #define TEXT_TIME_PENALTY       "Time penalty if destroyed"
10895 #define TEXT_PERMEABILITY_RATE  "slime permeability rate"
10896 #define TEXT_PERMEABILITY_BITS  "slime permeability bits"
10897 #define TEXT_RANDOM_SEED        "slime random number seed"
10898 #define TEXT_ACID_SPREAD_RATE   "Spread rate (percent)"
10899 #define TEXT_BITER_MOVE_DELAY   "Move delay (BD frames)"
10900
10901 static struct
10902 {
10903   int element;
10904   int *value;
10905   char *text;
10906   int min_value;
10907   int max_value;
10908 } elements_with_counter[] =
10909 {
10910   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10911   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10912   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
10913   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10914   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10915   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10916   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10917   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
10918   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
10919   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
10920   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
10921   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
10922   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
10923   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
10924   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
10925   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
10926   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
10927   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
10928   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
10929   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
10930   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
10931   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10932   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10933   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10934   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10935   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10936   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10937   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10938   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10939   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10940   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10941   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10942   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10943   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10944   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10945   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10946   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10947   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10948   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
10949   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
10950   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
10951   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
10952   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
10953   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
10954   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
10955   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10956   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10957   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10958   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10959   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10960   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
10961   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
10962   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
10963   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
10964   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
10965   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
10966   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
10967   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
10968   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
10969   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
10970   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
10971   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
10972   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
10973   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
10974   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
10975   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
10976   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10977   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10978   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
10979   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
10980   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
10981   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
10982   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
10983   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
10984   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
10985   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
10986   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
10987   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
10988   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
10989   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
10990   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
10991   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
10992   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
10993                                 0, 100                                                          },
10994   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
10995                                 0, 100                                                          },
10996   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
10997   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
10998   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
10999                                 0, 100                                                          },
11000   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11001                                 0, 100                                                          },
11002   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11003   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11004   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11005   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11006   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11007   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11008   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11009   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11010   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11011   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11012   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11013                                 -100, 100                                                       },
11014   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11015                                 0, 100                                                          },
11016   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11017                                 0, 100                                                          },
11018   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11019                                 0, 255                                                          },
11020   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11021                                 -1, 65535                                                       },
11022   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11023                                 0, 100                                                          },
11024   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11025                                 0, 3                                                            },
11026   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11027                                 0, 3                                                            },
11028   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11029                                 0, 3                                                            },
11030   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11031                                 0, 3                                                            },
11032   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11033                                 0, 3                                                            },
11034   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11035   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11036   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11037   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11038   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11039   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11040   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11041   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11042   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11043   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11044   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11045   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11046   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11047   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11048   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11049   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11050   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11051   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11052   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11053   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11054   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11055   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11056   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11057   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11058   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11059
11060   { -1,                         NULL,                                   NULL                    }
11061 };
11062
11063 static boolean checkPropertiesConfig(int element)
11064 {
11065   int i;
11066
11067   // special case: empty space customization only available in R'n'D game engine
11068   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11069     return FALSE;
11070
11071   // special case: BD style rock customization only available in BD game engine
11072   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11073     return FALSE;
11074
11075   if (IS_GEM(element) ||
11076       IS_CUSTOM_ELEMENT(element) ||
11077       IS_GROUP_ELEMENT(element) ||
11078       IS_EMPTY_ELEMENT(element) ||
11079       IS_BALLOON_ELEMENT(element) ||
11080       IS_ENVELOPE(element) ||
11081       IS_MM_ENVELOPE(element) ||
11082       IS_MM_MCDUFFIN(element) ||
11083       IS_DF_LASER(element) ||
11084       IS_PLAYER_ELEMENT(element) ||
11085       IS_BD_PLAYER_ELEMENT(element) ||
11086       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11087       HAS_EDITOR_CONTENT(element) ||
11088       CAN_GROW(element) ||
11089       COULD_MOVE_INTO_ACID(element) ||
11090       MAYBE_DONT_COLLIDE_WITH(element) ||
11091       element == EL_BD_ROCK ||
11092       element == EL_BD_MEGA_ROCK ||
11093       element == EL_BD_SWEET ||
11094       element == EL_BD_VOODOO_DOLL)
11095   {
11096     return TRUE;
11097   }
11098   else
11099   {
11100     for (i = 0; elements_with_counter[i].element != -1; i++)
11101       if (elements_with_counter[i].element == element)
11102         return TRUE;
11103   }
11104
11105   return FALSE;
11106 }
11107
11108 static void SetAutomaticNumberOfGemsNeeded(void)
11109 {
11110   int x, y;
11111
11112   if (!level.auto_count_gems)
11113     return;
11114
11115   level.gems_needed = 0;
11116
11117   for (x = 0; x < lev_fieldx; x++)
11118   {
11119     for (y = 0; y < lev_fieldy; y++)
11120     {
11121       int element = Tile[x][y];
11122
11123       switch (element)
11124       {
11125         case EL_EMERALD:
11126         case EL_EMERALD_YELLOW:
11127         case EL_EMERALD_RED:
11128         case EL_EMERALD_PURPLE:
11129         case EL_BD_DIAMOND:
11130         case EL_WALL_EMERALD:
11131         case EL_WALL_EMERALD_YELLOW:
11132         case EL_WALL_EMERALD_RED:
11133         case EL_WALL_EMERALD_PURPLE:
11134         case EL_WALL_BD_DIAMOND:
11135         case EL_NUT:
11136         case EL_SP_INFOTRON:
11137         case EL_MM_KETTLE:
11138         case EL_DF_CELL:
11139           level.gems_needed++;
11140           break;
11141
11142         case EL_DIAMOND:
11143         case EL_WALL_DIAMOND:
11144           level.gems_needed += 3;
11145           break;
11146
11147         case EL_PEARL:
11148         case EL_WALL_PEARL:
11149           level.gems_needed += 5;
11150           break;
11151
11152         case EL_CRYSTAL:
11153         case EL_WALL_CRYSTAL:
11154           level.gems_needed += 8;
11155           break;
11156
11157         default:
11158           break;
11159       }
11160     }
11161   }
11162
11163   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11164 }
11165
11166 static void DrawPropertiesConfig(void)
11167 {
11168   boolean draw_footer_line = FALSE;
11169   int max_num_element_counters = 4;
11170   int num_element_counters = 0;
11171   int i;
11172
11173   if (!checkPropertiesConfig(properties_element))
11174   {
11175     int xpos = ED_ELEMENT_SETTINGS_X(0);
11176     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11177
11178     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
11179
11180     return;
11181   }
11182
11183   // check if there are elements where a value can be chosen for
11184   for (i = 0; elements_with_counter[i].element != -1; i++)
11185   {
11186     if (elements_with_counter[i].element != properties_element)
11187       continue;
11188
11189     // special case: score for extra diamonds only available in BD game engine
11190     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
11191         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
11192         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11193       continue;
11194
11195     // special case: some amoeba counters only available in BD game engine
11196     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11197         elements_with_counter[i].value != &level.amoeba_speed &&
11198         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11199       continue;
11200
11201     // special case: some amoeba counters only available in R'n'D game engine
11202     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11203         elements_with_counter[i].value == &level.amoeba_speed &&
11204         level.game_engine_type == GAME_ENGINE_TYPE_BD)
11205       continue;
11206
11207     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
11208
11209     counterbutton_info[counter_id].y =
11210       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
11211                                (CAN_GROW(properties_element)                ? 1 : 0) +
11212                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
11213                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
11214                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
11215                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
11216                                (properties_element == EL_BD_ACID            ? 1 : 0) +
11217                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
11218                                num_element_counters);
11219
11220     // special case: set amoeba counters for BD game engine separately
11221     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
11222         (properties_element == EL_BD_AMOEBA_2))
11223       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
11224
11225     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
11226     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
11227     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
11228     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
11229
11230     // default: counter values between 0 and 999
11231     if (counterbutton_info[counter_id].max_value == 0)
11232       counterbutton_info[counter_id].max_value = 999;
11233
11234     MapCounterButtons(counter_id);
11235
11236     num_element_counters++;
11237     if (num_element_counters >= max_num_element_counters)
11238       break;
11239   }
11240
11241   if (HAS_EDITOR_CONTENT(properties_element))
11242   {
11243     // draw stickybutton gadget
11244     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11245
11246     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11247     {
11248       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11249       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11250
11251       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
11252       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
11253     }
11254     else if (properties_element == EL_BD_AMOEBA_2)
11255     {
11256       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11257       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11258       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
11259
11260       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
11261       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
11262       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
11263       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
11264     }
11265     else if (IS_AMOEBOID(properties_element))
11266       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
11267     else if (properties_element == EL_BD_ACID)
11268     {
11269       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
11270       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
11271     }
11272     else if (IS_BD_BITER(properties_element))
11273     {
11274       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
11275     }
11276     else if (properties_element == EL_BD_BLADDER)
11277     {
11278       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
11279     }
11280     else if (properties_element == EL_YAMYAM ||
11281              properties_element == EL_YAMYAM_LEFT ||
11282              properties_element == EL_YAMYAM_RIGHT ||
11283              properties_element == EL_YAMYAM_UP ||
11284              properties_element == EL_YAMYAM_DOWN)
11285       DrawYamYamContentAreas();
11286     else if (properties_element == EL_EMC_MAGIC_BALL)
11287     {
11288       DrawMagicBallContentAreas();
11289
11290       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
11291       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
11292     }
11293     else if (properties_element == EL_EMC_ANDROID)
11294       DrawAndroidElementArea();
11295     else if (properties_element == EL_MM_GRAY_BALL)
11296     {
11297       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
11298       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
11299       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
11300       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
11301
11302       DrawMMBallContentArea();
11303     }
11304   }
11305
11306   if (IS_PLAYER_ELEMENT(properties_element))
11307   {
11308     int player_nr = GET_PLAYER_NR(properties_element);
11309
11310     // these properties can be set for every player individually
11311
11312     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11313     {
11314       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
11315         &level.start_element[player_nr];
11316       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
11317         &level.artwork_element[player_nr];
11318       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
11319         &level.explosion_element[player_nr];
11320
11321       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
11322         &level.use_start_element[player_nr];
11323       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
11324         &level.use_artwork_element[player_nr];
11325       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
11326         &level.use_explosion_element[player_nr];
11327       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
11328         &level.initial_player_gravity[player_nr];
11329
11330       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
11331         &level.initial_player_stepsize[player_nr];
11332
11333       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
11334       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
11335                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
11336                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
11337       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
11338       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
11339       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
11340       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
11341       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
11342       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
11343       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
11344       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
11345       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
11346       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
11347       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
11348
11349       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
11350       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
11351       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
11352
11353       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11354     }
11355     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11356     {
11357       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11358         &level.initial_inventory_content[player_nr][0];
11359
11360       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
11361         &level.initial_inventory_size[player_nr];
11362
11363       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11364         &level.use_initial_inventory[player_nr];
11365
11366       // draw checkbutton gadgets
11367       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11368       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11369       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11370
11371       // draw counter gadgets
11372       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11373
11374       // draw drawing area gadgets
11375       DrawPlayerInitialInventoryArea(properties_element);
11376     }
11377   }
11378
11379   if (IS_BD_PLAYER_ELEMENT(properties_element))
11380   {
11381     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11382       ED_ELEMENT_SETTINGS_YPOS(2);
11383     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11384       ED_ELEMENT_SETTINGS_YPOS(3);
11385     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11386       ED_ELEMENT_SETTINGS_YPOS(4);
11387
11388     // draw checkbutton gadgets
11389     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11390     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
11391     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11392
11393     // draw counter gadgets
11394     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11395     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11396
11397     // draw drawing area gadgets
11398     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
11399   }
11400
11401   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11402   {
11403     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11404       ED_ELEMENT_SETTINGS_YPOS(0);
11405     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11406       ED_ELEMENT_SETTINGS_YPOS(1);
11407
11408     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11409     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11410   }
11411
11412   if (properties_element == EL_BD_MEGA_ROCK ||
11413       properties_element == EL_BD_SWEET)
11414   {
11415     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11416       ED_ELEMENT_SETTINGS_YPOS(0);
11417     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11418       ED_ELEMENT_SETTINGS_YPOS(1);
11419
11420     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11421     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11422   }
11423
11424   if (properties_element == EL_BD_VOODOO_DOLL)
11425   {
11426     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
11427     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
11428     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
11429     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
11430   }
11431
11432   if (properties_element == EL_BD_SLIME)
11433   {
11434     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
11435   }
11436
11437   if (properties_element == EL_BD_MAGIC_WALL)
11438   {
11439     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
11440     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
11441   }
11442
11443   // special case: slippery walls option for gems only available in R'n'D game engine
11444   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
11445     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
11446
11447   if (properties_element == EL_EM_DYNAMITE)
11448     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
11449
11450   if (COULD_MOVE_INTO_ACID(properties_element) &&
11451       !IS_PLAYER_ELEMENT(properties_element) &&
11452       (!IS_CUSTOM_ELEMENT(properties_element) ||
11453        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
11454   {
11455     // set position for checkbutton for "can move into acid"
11456     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
11457       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
11458     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
11459       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
11460                                IS_BALLOON_ELEMENT(properties_element) ||
11461                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11462
11463     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
11464   }
11465
11466   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
11467     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
11468
11469   if (properties_element == EL_SPRING ||
11470       properties_element == EL_SPRING_LEFT ||
11471       properties_element == EL_SPRING_RIGHT)
11472     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
11473
11474   if (properties_element == EL_TIME_ORB_FULL)
11475     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
11476
11477   if (properties_element == EL_GAME_OF_LIFE ||
11478       properties_element == EL_BIOMAZE)
11479     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
11480
11481   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11482   {
11483     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
11484       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11485
11486     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
11487   }
11488
11489   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
11490     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
11491
11492   if (properties_element == EL_SOKOBAN_OBJECT)
11493     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
11494
11495   if (properties_element == EL_SOKOBAN_OBJECT ||
11496       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
11497       properties_element == EL_SOKOBAN_FIELD_FULL)
11498   {
11499     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
11500       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
11501                                0 : 1);
11502
11503     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
11504   }
11505
11506   if (IS_BALLOON_ELEMENT(properties_element))
11507     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
11508
11509   if (IS_ENVELOPE(properties_element) ||
11510       IS_MM_ENVELOPE(properties_element))
11511   {
11512     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
11513     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
11514     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
11515     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
11516     int envelope_nr = ENVELOPE_NR(properties_element);
11517
11518     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
11519     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
11520
11521     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
11522     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
11523
11524     // display counter to choose size of envelope text area
11525     MapCounterButtons(counter1_id);
11526     MapCounterButtons(counter2_id);
11527
11528     // display checkbuttons to choose auto-wrap and alignment properties
11529     MapCheckbuttonGadget(button1_id);
11530     MapCheckbuttonGadget(button2_id);
11531
11532     DrawEnvelopeTextArea(envelope_nr);
11533   }
11534
11535   if (IS_MM_MCDUFFIN(properties_element))
11536   {
11537     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
11538     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
11539     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
11540   }
11541
11542   if (IS_DF_LASER(properties_element))
11543   {
11544     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
11545     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
11546     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
11547   }
11548
11549   if (IS_CUSTOM_ELEMENT(properties_element))
11550   {
11551     // draw stickybutton gadget
11552     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11553
11554     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11555     {
11556       // draw checkbutton gadgets
11557       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
11558            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
11559         MapCheckbuttonGadget(i);
11560
11561       // draw counter gadgets
11562       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
11563            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
11564         MapCounterButtons(i);
11565
11566       // draw selectbox gadgets
11567       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
11568            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
11569         MapSelectboxGadget(i);
11570
11571       // draw textbutton gadgets
11572       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11573
11574       // draw text input gadgets
11575       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11576
11577       // draw drawing area gadgets
11578       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11579
11580       draw_footer_line = TRUE;
11581     }
11582     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11583     {
11584       // draw checkbutton gadgets
11585       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
11586            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
11587         MapCheckbuttonGadget(i);
11588
11589       // draw counter gadgets
11590       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
11591            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
11592         MapCounterButtons(i);
11593
11594       // draw selectbox gadgets
11595       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
11596            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
11597         MapSelectboxGadget(i);
11598
11599       // draw drawing area gadgets
11600       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
11601       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
11602       DrawCustomContentArea();
11603     }
11604   }
11605   else if (IS_GROUP_ELEMENT(properties_element))
11606   {
11607     // draw stickybutton gadget
11608     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11609
11610     // draw checkbutton gadgets
11611     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11612     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11613
11614     // draw counter gadgets
11615     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
11616
11617     // draw selectbox gadgets
11618     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
11619
11620     // draw textbutton gadgets
11621     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11622
11623     // draw drawing area gadgets
11624     DrawGroupElementArea();
11625
11626     // draw text input gadgets
11627     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11628
11629     // draw drawing area gadgets
11630     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11631
11632     draw_footer_line = TRUE;
11633   }
11634   else if (IS_EMPTY_ELEMENT(properties_element))
11635   {
11636     // draw stickybutton gadget
11637     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11638
11639     // draw checkbutton gadgets
11640     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11641     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11642
11643     // draw textbutton gadgets
11644     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11645
11646     // draw drawing area gadgets
11647     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11648
11649     draw_footer_line = TRUE;
11650   }
11651
11652   // draw little footer border line above CE/GE use/save template gadgets
11653   if (draw_footer_line)
11654   {
11655     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11656     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11657     int gd_x = gd->x + gd_gi1->border.width / 2;
11658     int gd_y = gd->y + gd_gi1->height - 1;
11659     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
11660
11661     if (tab_color != BLACK_PIXEL)               // black => transparent
11662       FillRectangle(drawto,
11663                     SX + ED_ELEMENT_SETTINGS_X(0),
11664                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
11665                     ED_TAB_BAR_HEIGHT,
11666                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11667   }
11668 }
11669
11670 static void DrawPropertiesChangeDrawingAreas(void)
11671 {
11672   if (IS_CUSTOM_ELEMENT(properties_element))
11673   {
11674     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
11675     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
11676     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
11677
11678     DrawCustomChangeContentArea();
11679   }
11680
11681   redraw_mask |= REDRAW_FIELD;
11682 }
11683
11684 static void DrawPropertiesChange(void)
11685 {
11686   int i;
11687
11688   // needed to initially set selectbox options for special action options
11689   setSelectboxSpecialActionOptions();
11690
11691   // draw stickybutton gadget
11692   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11693
11694   // draw checkbutton gadgets
11695   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
11696        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
11697     MapCheckbuttonGadget(i);
11698
11699   // draw counter gadgets
11700   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
11701        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
11702     MapCounterButtons(i);
11703
11704   // draw selectbox gadgets
11705   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
11706        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
11707     MapSelectboxGadget(i);
11708
11709   // draw textbutton gadgets
11710   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
11711        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
11712     MapTextbuttonGadget(i);
11713
11714   // draw graphicbutton gadgets
11715   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
11716        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
11717     MapGraphicbuttonGadget(i);
11718
11719   // draw drawing area gadgets
11720   DrawPropertiesChangeDrawingAreas();
11721 }
11722
11723 static void DrawEditorElementAnimation(int x, int y)
11724 {
11725   int graphic = el2img(properties_element);
11726   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
11727                custom_element.ce_value_fixed_initial :
11728                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
11729                custom_element.collect_score_initial : FrameCounter);
11730
11731   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
11732 }
11733
11734 static void DrawEditorElementName(int x, int y, int font_nr)
11735 {
11736   char *element_name = getElementInfoText(properties_element);
11737   int font_width = getFontWidth(font_nr);
11738   int font_height = getFontHeight(font_nr);
11739   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
11740   int max_chars_per_line = max_text_width / font_width;
11741
11742   if (strlen(element_name) <= max_chars_per_line)
11743     DrawTextS(x, y, font_nr, element_name);
11744   else
11745   {
11746     char buffer[max_chars_per_line + 1];
11747     int next_pos = max_chars_per_line;
11748
11749     strncpy(buffer, element_name, max_chars_per_line);
11750     buffer[max_chars_per_line] = '\0';
11751
11752     if (element_name[max_chars_per_line] == ' ')
11753       next_pos++;
11754     else
11755     {
11756       int i;
11757
11758       for (i = max_chars_per_line - 1; i >= 0; i--)
11759         if (buffer[i] == ' ')
11760           break;
11761
11762       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
11763       {
11764         buffer[i] = '\0';
11765         next_pos = i + 1;
11766       }
11767     }
11768
11769     DrawTextS(x, y - font_height / 2, font_nr, buffer);
11770
11771     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
11772     buffer[max_chars_per_line] = '\0';
11773
11774     DrawTextS(x, y + font_height / 2, font_nr, buffer);
11775   }
11776 }
11777
11778 static void DrawPropertiesWindow(void)
11779 {
11780   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
11781   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
11782   int border_size = gd->border_size;
11783   int font_nr = FONT_TEXT_1;
11784   int font_height = getFontHeight(font_nr);
11785   int xoffset = TILEX + element_border + 3 * border_size;
11786   int yoffset = (TILEY - font_height) / 2;
11787   int x1 = editor.settings.element_graphic.x + element_border;
11788   int y1 = editor.settings.element_graphic.y + element_border;
11789   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
11790             editor.settings.element_name.x);
11791   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
11792             editor.settings.element_name.y);
11793   char *text = "Element Settings";
11794   int font2_nr = FONT_TITLE_1;
11795   struct MenuPosInfo *pos = &editor.settings.headline;
11796   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
11797   int sy = SY + pos->y;
11798
11799   stick_element_properties_window = FALSE;
11800
11801   // make sure that previous properties edit mode exists for this element
11802   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
11803       !IS_CUSTOM_ELEMENT(properties_element))
11804     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
11805
11806   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
11807       !IS_PLAYER_ELEMENT(properties_element) &&
11808       !IS_CUSTOM_ELEMENT(properties_element))
11809     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
11810
11811   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
11812       (IS_PLAYER_ELEMENT(properties_element) ||
11813        IS_CUSTOM_ELEMENT(properties_element)))
11814     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
11815
11816   CopyElementPropertiesToEditor(properties_element);
11817
11818   UnmapLevelEditorFieldGadgets();
11819   UnmapLevelEditorToolboxDrawingGadgets();
11820   UnmapLevelEditorToolboxCustomGadgets();
11821
11822   MapLevelEditorToolboxCustomGadgetsIfNeeded();
11823
11824   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11825   ClearField();
11826
11827   DrawText(sx, sy, text, font2_nr);
11828
11829   FrameCounter = 0;     // restart animation frame counter
11830
11831   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
11832   DrawEditorElementAnimation(SX + x1, SY + y1);
11833   DrawEditorElementName(x2, y2, font_nr);
11834
11835   DrawPropertiesTabulatorGadgets();
11836
11837   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
11838     DrawPropertiesInfo();
11839   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
11840     DrawPropertiesChange();
11841   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
11842     DrawPropertiesConfig();
11843 }
11844
11845 static void DrawPaletteWindow(void)
11846 {
11847   int i;
11848
11849   UnmapLevelEditorFieldGadgets();
11850
11851   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11852   ClearField();
11853
11854   // map buttons to select elements
11855   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
11856     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
11857   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
11858   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
11859   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
11860 }
11861
11862 static void UpdateCustomElementGraphicGadgets(void)
11863 {
11864   int i;
11865
11866   InitElementPropertiesGfxElement();
11867
11868   ModifyEditorElementList();
11869   RedrawDrawingElements();
11870
11871   // force redraw of all mapped drawing area gadgets
11872   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
11873   {
11874     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
11875
11876     if (gi->mapped)
11877       MapDrawingArea(i);
11878   }
11879 }
11880
11881 static int getOpenDirectionFromTube(int element)
11882 {
11883   switch (element)
11884   {
11885     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
11886     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
11887     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
11888     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
11889     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
11890     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
11891     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
11892     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
11893     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
11894     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
11895     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
11896   }
11897
11898   return MV_NONE;
11899 }
11900
11901 static int getTubeFromOpenDirection(int direction)
11902 {
11903   switch (direction)
11904   {
11905     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
11906     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
11907     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
11908     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
11909     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
11910     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
11911     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
11912     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
11913     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
11914     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
11915     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
11916
11917     // if only one direction, fall back to simple tube with that direction
11918     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
11919     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
11920     case (MV_UP):                       return EL_TUBE_VERTICAL;
11921     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
11922   }
11923
11924   return EL_EMPTY;
11925 }
11926
11927 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
11928 {
11929   int element_new = getTubeFromOpenDirection(direction);
11930
11931   return (element_new != EL_EMPTY ? element_new : element_old);
11932 }
11933
11934 static int getOpenDirectionFromBelt(int element)
11935 {
11936   int belt_dir = getBeltDirFromBeltElement(element);
11937
11938   return (belt_dir == MV_LEFT ? MV_RIGHT :
11939           belt_dir == MV_RIGHT ? MV_LEFT :
11940           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
11941 }
11942
11943 static int getBeltFromNrAndOpenDirection(int nr, int direction)
11944 {
11945   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
11946                   direction == MV_RIGHT ? MV_LEFT :
11947                   direction == MV_HORIZONTAL ? MV_NONE : direction);
11948
11949   if (direction == MV_NONE)
11950     return EL_EMPTY;
11951
11952   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
11953 }
11954
11955 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
11956                                                  int element_old)
11957 {
11958   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
11959
11960   return (element_new != EL_EMPTY ? element_new : element_old);
11961 }
11962
11963 static int getOpenDirectionFromPool(int element)
11964 {
11965   switch (element)
11966   {
11967     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
11968     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
11969     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
11970     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
11971     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
11972     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
11973   }
11974
11975   return MV_NONE;
11976 }
11977
11978 static int getPoolFromOpenDirection(int direction)
11979 {
11980   switch (direction)
11981   {
11982     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
11983     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
11984     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
11985     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
11986     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
11987     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
11988   }
11989
11990   return EL_EMPTY;
11991 }
11992
11993 static int getPoolFromOpenDirectionExt(int direction, int help_element)
11994 {
11995   int element = getPoolFromOpenDirection(direction);
11996   int help_direction = getOpenDirectionFromPool(help_element);
11997
11998   if (element == EL_EMPTY)
11999   {
12000     int help_direction_vertical = help_direction & MV_VERTICAL;
12001
12002     element = getPoolFromOpenDirection(direction | help_direction_vertical);
12003   }
12004
12005   if (element == EL_EMPTY)
12006   {
12007     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
12008
12009     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
12010   }
12011
12012   return element;
12013 }
12014
12015 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
12016 {
12017   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
12018
12019   return (element_new != EL_EMPTY ? element_new : element_old);
12020 }
12021
12022 static int getOpenDirectionFromPillar(int element)
12023 {
12024   switch (element)
12025   {
12026     case EL_EMC_WALL_1:                 return (MV_DOWN);
12027     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
12028     case EL_EMC_WALL_3:                 return (MV_UP);
12029   }
12030
12031   return MV_NONE;
12032 }
12033
12034 static int getPillarFromOpenDirection(int direction)
12035 {
12036   switch (direction)
12037   {
12038     case (MV_DOWN):                     return EL_EMC_WALL_1;
12039     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
12040     case (MV_UP):                       return EL_EMC_WALL_3;
12041   }
12042
12043   return EL_EMPTY;
12044 }
12045
12046 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
12047 {
12048   int element_new = getPillarFromOpenDirection(direction);
12049
12050   return (element_new != EL_EMPTY ? element_new : element_old);
12051 }
12052
12053 static int getOpenDirectionFromSteel2(int element)
12054 {
12055   switch (element)
12056   {
12057     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
12058     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
12059     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
12060     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
12061     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
12062     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
12063     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
12064     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
12065   }
12066
12067   return MV_NONE;
12068 }
12069
12070 static int getSteel2FromOpenDirection(int direction)
12071 {
12072   switch (direction)
12073   {
12074     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
12075     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
12076     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
12077     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
12078     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
12079     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
12080     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
12081     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
12082   }
12083
12084   return EL_EMPTY;
12085 }
12086
12087 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
12088 {
12089   int element_new = getSteel2FromOpenDirection(direction);
12090
12091   return (element_new != EL_EMPTY ? element_new : element_old);
12092 }
12093
12094 static int getOpenDirectionFromChip(int element)
12095 {
12096   switch (element)
12097   {
12098     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
12099     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
12100     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
12101     case EL_SP_CHIP_TOP:                return (MV_DOWN);
12102     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
12103   }
12104
12105   return MV_NONE;
12106 }
12107
12108 static int getChipFromOpenDirection(int direction)
12109 {
12110   switch (direction)
12111   {
12112     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
12113     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
12114     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
12115     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
12116     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
12117   }
12118
12119   return EL_EMPTY;
12120 }
12121
12122 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
12123 {
12124   int element_new = getChipFromOpenDirection(direction);
12125
12126   return (element_new != EL_EMPTY ? element_new : element_old);
12127 }
12128
12129 static int getClosedTube(int x, int y)
12130 {
12131   struct XY *xy = xy_directions;
12132   int element_old = IntelliDrawBuffer[x][y];
12133   int direction_old = getOpenDirectionFromTube(element_old);
12134   int direction_new = MV_NONE;
12135   int i;
12136
12137   for (i = 0; i < NUM_DIRECTIONS; i++)
12138   {
12139     int xx = x + xy[i].x;
12140     int yy = y + xy[i].y;
12141     int dir = MV_DIR_FROM_BIT(i);
12142     int dir_opposite = MV_DIR_OPPOSITE(dir);
12143
12144     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
12145         (direction_old & dir) &&
12146         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12147       direction_new |= dir;
12148   }
12149
12150   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
12151 }
12152
12153 static int getClosedBelt(int x, int y)
12154 {
12155   struct XY *xy = xy_directions;
12156   int element_old = IntelliDrawBuffer[x][y];
12157   int nr = getBeltNrFromBeltElement(element_old);
12158   int direction_old = getOpenDirectionFromBelt(element_old);
12159   int direction_new = MV_NONE;
12160   int i;
12161
12162   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12163   {
12164     int xx = x + xy[i].x;
12165     int yy = y + xy[i].y;
12166     int dir = MV_DIR_FROM_BIT(i);
12167     int dir_opposite = MV_DIR_OPPOSITE(dir);
12168
12169     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
12170         (direction_old & dir) &&
12171         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12172       direction_new |= dir;
12173   }
12174
12175   return getBeltFromNrAndOpenDirection(nr, direction_new);
12176 }
12177
12178 static int getClosedPool(int x, int y)
12179 {
12180   struct XY *xy = xy_directions;
12181   int element_old = IntelliDrawBuffer[x][y];
12182   int direction_old = getOpenDirectionFromPool(element_old);
12183   int direction_new = MV_NONE;
12184   int i;
12185
12186   for (i = 0; i < NUM_DIRECTIONS; i++)
12187   {
12188     int xx = x + xy[i].x;
12189     int yy = y + xy[i].y;
12190     int dir = MV_DIR_FROM_BIT(i);
12191     int dir_opposite = MV_DIR_OPPOSITE(dir);
12192
12193     if (IN_LEV_FIELD(xx, yy) &&
12194         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
12195         (direction_old & dir) &&
12196         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12197       direction_new |= dir;
12198   }
12199
12200   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
12201 }
12202
12203 static int getClosedPillar(int x, int y)
12204 {
12205   struct XY *xy = xy_directions;
12206   int element_old = IntelliDrawBuffer[x][y];
12207   int direction_old = getOpenDirectionFromPillar(element_old);
12208   int direction_new = MV_NONE;
12209   int i;
12210
12211   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12212   {
12213     int xx = x + xy[i].x;
12214     int yy = y + xy[i].y;
12215     int dir = MV_DIR_FROM_BIT(i);
12216     int dir_opposite = MV_DIR_OPPOSITE(dir);
12217
12218     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
12219         (direction_old & dir) &&
12220         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12221       direction_new |= dir;
12222   }
12223
12224   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
12225 }
12226
12227 static int getClosedSteel2(int x, int y)
12228 {
12229   struct XY *xy = xy_directions;
12230   int element_old = IntelliDrawBuffer[x][y];
12231   int direction_old = getOpenDirectionFromSteel2(element_old);
12232   int direction_new = MV_NONE;
12233   int i;
12234
12235   for (i = 0; i < NUM_DIRECTIONS; i++)
12236   {
12237     int xx = x + xy[i].x;
12238     int yy = y + xy[i].y;
12239     int dir = MV_DIR_FROM_BIT(i);
12240     int dir_opposite = MV_DIR_OPPOSITE(dir);
12241
12242     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
12243         (direction_old & dir) &&
12244         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12245       direction_new |= dir;
12246   }
12247
12248   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
12249 }
12250
12251 static int getClosedChip(int x, int y)
12252 {
12253   struct XY *xy = xy_directions;
12254   int element_old = IntelliDrawBuffer[x][y];
12255   int direction_old = getOpenDirectionFromChip(element_old);
12256   int direction_new = MV_NONE;
12257   int i;
12258
12259   for (i = 0; i < NUM_DIRECTIONS; i++)
12260   {
12261     int xx = x + xy[i].x;
12262     int yy = y + xy[i].y;
12263     int dir = MV_DIR_FROM_BIT(i);
12264     int dir_opposite = MV_DIR_OPPOSITE(dir);
12265
12266     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
12267         (direction_old & dir) &&
12268         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12269       direction_new |= dir;
12270   }
12271
12272   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
12273 }
12274
12275 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
12276                                 boolean change_level)
12277 {
12278   int sx = x - level_xpos;
12279   int sy = y - level_ypos;
12280   int old_element = Tile[x][y];
12281   int new_element = element;
12282   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
12283   boolean draw_masked = FALSE;
12284
12285   if (IS_MM_WALL_EDITOR(element))
12286   {
12287     element = map_mm_wall_element_editor(element) | new_bitmask;
12288
12289     if (IS_MM_WALL(old_element))
12290       element |= MM_WALL_BITS(old_element);
12291
12292     if (!change_level)
12293       draw_masked = TRUE;
12294   }
12295   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
12296   {
12297     int element_changed = old_element & ~new_bitmask;
12298
12299     if (MM_WALL_BITS(element_changed) != 0)
12300       element = element_changed;
12301   }
12302
12303   IntelliDrawBuffer[x][y] = element;
12304
12305   if (change_level)
12306     Tile[x][y] = element;
12307
12308   if (IN_ED_FIELD(sx, sy))
12309   {
12310     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
12311       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
12312     else if (draw_masked)
12313       DrawEditorElementThruMask(sx, sy, element);
12314     else
12315       DrawEditorElement(sx, sy, element);
12316   }
12317 }
12318
12319 static void SetElementSimple(int x, int y, int element, boolean change_level)
12320 {
12321   SetElementSimpleExt(x, y, 0, 0, element, change_level);
12322 }
12323
12324 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
12325                                            int x2, int y2, int *element2,
12326                                            int (*close_function)(int, int),
12327                                            boolean change_level)
12328 {
12329   // set neighbour elements to newly determined connections
12330   SetElementSimple(x1, y1, *element1, change_level);
12331   SetElementSimple(x2, y2, *element2, change_level);
12332
12333   // remove all open connections of neighbour elements
12334   *element1 = close_function(x1, y1);
12335   *element2 = close_function(x2, y2);
12336
12337   // set neighbour elements to new, minimized connections
12338   SetElementSimple(x1, y1, *element1, change_level);
12339   SetElementSimple(x2, y2, *element2, change_level);
12340 }
12341
12342 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
12343                                   boolean change_level, int button)
12344 {
12345   struct XY *xy = xy_directions;
12346   static int last_x = -1;
12347   static int last_y = -1;
12348
12349   if (new_element == EL_UNDEFINED)
12350   {
12351     last_x = -1;
12352     last_y = -1;
12353
12354     return;
12355   }
12356
12357   int old_element = IntelliDrawBuffer[x][y];
12358
12359   if (IS_TUBE(new_element))
12360   {
12361     int last_element_new = EL_UNDEFINED;
12362     int direction = MV_NONE;
12363     int i;
12364
12365     // if old element is of same kind, keep all existing directions
12366     if (IS_TUBE(old_element))
12367       direction |= getOpenDirectionFromTube(old_element);
12368
12369     for (i = 0; i < NUM_DIRECTIONS; i++)
12370     {
12371       int xx = x + xy[i].x;
12372       int yy = y + xy[i].y;
12373
12374       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12375           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
12376       {
12377         int dir = MV_DIR_FROM_BIT(i);
12378         int dir_opposite = MV_DIR_OPPOSITE(dir);
12379         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12380         int last_direction_old = getOpenDirectionFromTube(last_element_old);
12381         int last_direction_new = last_direction_old | dir_opposite;
12382
12383         last_element_new = getTubeFromOpenDirection(last_direction_new);
12384
12385         direction |= dir;
12386       }
12387     }
12388
12389     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
12390
12391     if (last_element_new != EL_UNDEFINED)
12392       MergeAndCloseNeighbourElements(x, y, &new_element,
12393                                      last_x, last_y, &last_element_new,
12394                                      getClosedTube, change_level);
12395   }
12396   else if (IS_BELT(new_element))
12397   {
12398     int belt_nr = getBeltNrFromBeltElement(new_element);
12399     int last_element_new = EL_UNDEFINED;
12400     int direction = MV_NONE;
12401     int i;
12402
12403     // if old element is of same kind, keep all existing directions
12404     if (IS_BELT(old_element))
12405       direction |= getOpenDirectionFromBelt(old_element);
12406
12407     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12408     {
12409       int xx = x + xy[i].x;
12410       int yy = y + xy[i].y;
12411
12412       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12413           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
12414       {
12415         int dir = MV_DIR_FROM_BIT(i);
12416         int dir_opposite = MV_DIR_OPPOSITE(dir);
12417         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12418         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
12419         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
12420         int last_direction_new = last_direction_old | dir_opposite;
12421
12422         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
12423                                                          last_direction_new);
12424         direction |= dir;
12425       }
12426     }
12427
12428     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
12429                                                         new_element);
12430     if (last_element_new != EL_UNDEFINED)
12431       MergeAndCloseNeighbourElements(x, y, &new_element,
12432                                      last_x, last_y, &last_element_new,
12433                                      getClosedBelt, change_level);
12434   }
12435   else if (IS_ACID_POOL_OR_ACID(new_element))
12436   {
12437     int last_element_new = EL_UNDEFINED;
12438     int direction = MV_NONE;
12439     int i;
12440
12441     // if old element is of same kind, keep all existing directions
12442     if (IS_ACID_POOL_OR_ACID(old_element))
12443       direction |= getOpenDirectionFromPool(old_element);
12444
12445     for (i = 0; i < NUM_DIRECTIONS; i++)
12446     {
12447       int xx = x + xy[i].x;
12448       int yy = y + xy[i].y;
12449
12450       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12451           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
12452       {
12453         int dir = MV_DIR_FROM_BIT(i);
12454         int dir_opposite = MV_DIR_OPPOSITE(dir);
12455         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12456         int last_direction_old = getOpenDirectionFromPool(last_element_old);
12457         int last_direction_new = last_direction_old | dir_opposite;
12458
12459         last_element_new = getPoolFromOpenDirection(last_direction_new);
12460
12461         direction |= dir;
12462       }
12463     }
12464
12465     // special corrections needed for intuitively correct acid pool drawing
12466     if (last_element_new == EL_EMPTY)
12467       last_element_new = new_element;
12468     else if (last_element_new != EL_UNDEFINED)
12469       new_element = last_element_new;
12470
12471     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
12472
12473     if (last_element_new != EL_UNDEFINED)
12474       MergeAndCloseNeighbourElements(x, y, &new_element,
12475                                      last_x, last_y, &last_element_new,
12476                                      getClosedPool, change_level);
12477   }
12478   else if (IS_EMC_PILLAR(new_element))
12479   {
12480     int last_element_new = EL_UNDEFINED;
12481     int direction = MV_NONE;
12482     int i;
12483
12484     // if old element is of same kind, keep all existing directions
12485     if (IS_EMC_PILLAR(old_element))
12486       direction |= getOpenDirectionFromPillar(old_element);
12487
12488     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12489     {
12490       int xx = x + xy[i].x;
12491       int yy = y + xy[i].y;
12492
12493       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12494           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
12495       {
12496         int dir = MV_DIR_FROM_BIT(i);
12497         int dir_opposite = MV_DIR_OPPOSITE(dir);
12498         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12499         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
12500         int last_direction_new = last_direction_old | dir_opposite;
12501
12502         last_element_new = getPillarFromOpenDirection(last_direction_new);
12503
12504         direction |= dir;
12505       }
12506     }
12507
12508     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
12509
12510     if (last_element_new != EL_UNDEFINED)
12511       MergeAndCloseNeighbourElements(x, y, &new_element,
12512                                      last_x, last_y, &last_element_new,
12513                                      getClosedPillar, change_level);
12514   }
12515   else if (IS_DC_STEELWALL_2(new_element))
12516   {
12517     int last_element_new = EL_UNDEFINED;
12518     int direction = MV_NONE;
12519     int i;
12520
12521     // if old element is of same kind, keep all existing directions
12522     if (IS_DC_STEELWALL_2(old_element))
12523       direction |= getOpenDirectionFromSteel2(old_element);
12524
12525     for (i = 0; i < NUM_DIRECTIONS; i++)
12526     {
12527       int xx = x + xy[i].x;
12528       int yy = y + xy[i].y;
12529
12530       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12531           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
12532       {
12533         int dir = MV_DIR_FROM_BIT(i);
12534         int dir_opposite = MV_DIR_OPPOSITE(dir);
12535         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12536         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
12537         int last_direction_new = last_direction_old | dir_opposite;
12538
12539         last_element_new = getSteel2FromOpenDirection(last_direction_new);
12540
12541         direction |= dir;
12542       }
12543     }
12544
12545     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
12546
12547     if (last_element_new != EL_UNDEFINED)
12548       MergeAndCloseNeighbourElements(x, y, &new_element,
12549                                      last_x, last_y, &last_element_new,
12550                                      getClosedSteel2, change_level);
12551   }
12552   else if (IS_SP_CHIP(new_element))
12553   {
12554     int last_element_new = EL_UNDEFINED;
12555     int direction = MV_NONE;
12556     int i;
12557
12558     // (do not keep existing directions, regardless of kind of old element)
12559
12560     for (i = 0; i < NUM_DIRECTIONS; i++)
12561     {
12562       int xx = x + xy[i].x;
12563       int yy = y + xy[i].y;
12564
12565       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12566           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
12567       {
12568         int dir = MV_DIR_FROM_BIT(i);
12569         int dir_opposite = MV_DIR_OPPOSITE(dir);
12570         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12571         int last_direction_old = getOpenDirectionFromChip(last_element_old);
12572         int last_direction_new = last_direction_old | dir_opposite;
12573
12574         if (last_direction_old == MV_NONE)
12575         {
12576           last_element_new = getChipFromOpenDirection(last_direction_new);
12577           direction |= dir;
12578         }
12579         else if (last_direction_old & (dir | dir_opposite))
12580         {
12581           direction |= MV_DIR_OPPOSITE(last_direction_old);
12582         }
12583         else
12584         {
12585           direction |= MV_DIR_OPPOSITE(dir);
12586         }
12587       }
12588     }
12589
12590     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
12591
12592     if (last_element_new != EL_UNDEFINED)
12593       MergeAndCloseNeighbourElements(x, y, &new_element,
12594                                      last_x, last_y, &last_element_new,
12595                                      getClosedChip, change_level);
12596   }
12597   else if (IS_SP_HARDWARE_BASE(new_element))
12598   {
12599     int nr = GetSimpleRandom(6);
12600
12601     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
12602                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
12603                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
12604                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
12605                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
12606   }
12607   else if (new_element == EL_SP_HARDWARE_GREEN ||
12608            new_element == EL_SP_HARDWARE_BLUE ||
12609            new_element == EL_SP_HARDWARE_RED)
12610   {
12611     int nr = GetSimpleRandom(3);
12612
12613     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
12614                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
12615   }
12616   else if (IS_GROUP_ELEMENT(new_element))
12617   {
12618     boolean connected_drawing = FALSE;
12619     int i;
12620
12621     for (i = 0; i < NUM_DIRECTIONS; i++)
12622     {
12623       int xx = x + xy[i].x;
12624       int yy = y + xy[i].y;
12625
12626       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12627           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
12628         connected_drawing = TRUE;
12629     }
12630
12631     if (!connected_drawing)
12632       ResolveGroupElement(new_element);
12633
12634     new_element = GetElementFromGroupElement(new_element);
12635   }
12636   else if (IS_BELT_SWITCH(old_element))
12637   {
12638     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
12639     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
12640
12641     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
12642                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
12643
12644     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
12645   }
12646   else
12647   {
12648     static int swappable_elements[][2] =
12649     {
12650       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
12651       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
12652       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
12653       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
12654       { EL_EMERALD,                     EL_WALL_EMERALD                 },
12655       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
12656       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
12657       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
12658       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
12659       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
12660       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
12661       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
12662       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
12663       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
12664       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
12665       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
12666       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
12667       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
12668       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
12669       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
12670       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
12671       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
12672       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
12673       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
12674       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
12675       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
12676       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
12677       { EL_PEARL,                       EL_WALL_PEARL                   },
12678       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
12679       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
12680       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
12681       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
12682       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
12683       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
12684       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
12685       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
12686       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
12687       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
12688       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
12689       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
12690       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
12691       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
12692       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
12693       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
12694
12695       { -1,                             -1                              },
12696     };
12697     static int rotatable_elements_4[][4] =
12698     {
12699       {
12700         EL_BUG_UP,
12701         EL_BUG_RIGHT,
12702         EL_BUG_DOWN,
12703         EL_BUG_LEFT
12704       },
12705       {
12706         EL_SPACESHIP_UP,
12707         EL_SPACESHIP_RIGHT,
12708         EL_SPACESHIP_DOWN,
12709         EL_SPACESHIP_LEFT
12710       },
12711       {
12712         EL_BD_BUTTERFLY_UP,
12713         EL_BD_BUTTERFLY_RIGHT,
12714         EL_BD_BUTTERFLY_DOWN,
12715         EL_BD_BUTTERFLY_LEFT
12716       },
12717       {
12718         EL_BD_FIREFLY_UP,
12719         EL_BD_FIREFLY_RIGHT,
12720         EL_BD_FIREFLY_DOWN,
12721         EL_BD_FIREFLY_LEFT
12722       },
12723       {
12724         EL_PACMAN_UP,
12725         EL_PACMAN_RIGHT,
12726         EL_PACMAN_DOWN,
12727         EL_PACMAN_LEFT
12728       },
12729       {
12730         EL_YAMYAM_UP,
12731         EL_YAMYAM_RIGHT,
12732         EL_YAMYAM_DOWN,
12733         EL_YAMYAM_LEFT
12734       },
12735       {
12736         EL_ARROW_UP,
12737         EL_ARROW_RIGHT,
12738         EL_ARROW_DOWN,
12739         EL_ARROW_LEFT
12740       },
12741       {
12742         EL_SP_PORT_UP,
12743         EL_SP_PORT_RIGHT,
12744         EL_SP_PORT_DOWN,
12745         EL_SP_PORT_LEFT
12746       },
12747       {
12748         EL_SP_GRAVITY_PORT_UP,
12749         EL_SP_GRAVITY_PORT_RIGHT,
12750         EL_SP_GRAVITY_PORT_DOWN,
12751         EL_SP_GRAVITY_PORT_LEFT
12752       },
12753       {
12754         EL_SP_GRAVITY_ON_PORT_UP,
12755         EL_SP_GRAVITY_ON_PORT_RIGHT,
12756         EL_SP_GRAVITY_ON_PORT_DOWN,
12757         EL_SP_GRAVITY_ON_PORT_LEFT
12758       },
12759       {
12760         EL_SP_GRAVITY_OFF_PORT_UP,
12761         EL_SP_GRAVITY_OFF_PORT_RIGHT,
12762         EL_SP_GRAVITY_OFF_PORT_DOWN,
12763         EL_SP_GRAVITY_OFF_PORT_LEFT
12764       },
12765       {
12766         EL_MOLE_UP,
12767         EL_MOLE_RIGHT,
12768         EL_MOLE_DOWN,
12769         EL_MOLE_LEFT
12770       },
12771       {
12772         EL_BALLOON_SWITCH_UP,
12773         EL_BALLOON_SWITCH_RIGHT,
12774         EL_BALLOON_SWITCH_DOWN,
12775         EL_BALLOON_SWITCH_LEFT
12776       },
12777       {
12778         EL_MM_MCDUFFIN_UP,
12779         EL_MM_MCDUFFIN_RIGHT,
12780         EL_MM_MCDUFFIN_DOWN,
12781         EL_MM_MCDUFFIN_LEFT
12782       },
12783       {
12784         EL_MM_MIRROR_FIXED_1,
12785         EL_MM_MIRROR_FIXED_4,
12786         EL_MM_MIRROR_FIXED_3,
12787         EL_MM_MIRROR_FIXED_2
12788       },
12789       {
12790         EL_MM_STEEL_GRID_FIXED_1,
12791         EL_MM_STEEL_GRID_FIXED_4,
12792         EL_MM_STEEL_GRID_FIXED_2,
12793         EL_MM_STEEL_GRID_FIXED_3
12794       },
12795       {
12796         EL_MM_WOODEN_GRID_FIXED_1,
12797         EL_MM_WOODEN_GRID_FIXED_4,
12798         EL_MM_WOODEN_GRID_FIXED_2,
12799         EL_MM_WOODEN_GRID_FIXED_3
12800       },
12801       {
12802         EL_MM_POLARIZER_CROSS_1,
12803         EL_MM_POLARIZER_CROSS_4,
12804         EL_MM_POLARIZER_CROSS_3,
12805         EL_MM_POLARIZER_CROSS_2
12806       },
12807       {
12808         EL_MM_PACMAN_UP,
12809         EL_MM_PACMAN_RIGHT,
12810         EL_MM_PACMAN_DOWN,
12811         EL_MM_PACMAN_LEFT
12812       },
12813       {
12814         EL_DF_LASER_UP,
12815         EL_DF_LASER_RIGHT,
12816         EL_DF_LASER_DOWN,
12817         EL_DF_LASER_LEFT
12818       },
12819       {
12820         EL_DF_RECEIVER_UP,
12821         EL_DF_RECEIVER_RIGHT,
12822         EL_DF_RECEIVER_DOWN,
12823         EL_DF_RECEIVER_LEFT
12824       },
12825       {
12826         EL_DF_SLOPE_1,
12827         EL_DF_SLOPE_4,
12828         EL_DF_SLOPE_3,
12829         EL_DF_SLOPE_2
12830       },
12831
12832       {
12833         -1,
12834       },
12835     };
12836     static int rotatable_elements_8[][8] =
12837     {
12838       {
12839         EL_DF_STEEL_GRID_FIXED_1,
12840         EL_DF_STEEL_GRID_FIXED_8,
12841         EL_DF_STEEL_GRID_FIXED_7,
12842         EL_DF_STEEL_GRID_FIXED_6,
12843         EL_DF_STEEL_GRID_FIXED_5,
12844         EL_DF_STEEL_GRID_FIXED_4,
12845         EL_DF_STEEL_GRID_FIXED_3,
12846         EL_DF_STEEL_GRID_FIXED_2
12847       },
12848       {
12849         EL_DF_WOODEN_GRID_FIXED_1,
12850         EL_DF_WOODEN_GRID_FIXED_8,
12851         EL_DF_WOODEN_GRID_FIXED_7,
12852         EL_DF_WOODEN_GRID_FIXED_6,
12853         EL_DF_WOODEN_GRID_FIXED_5,
12854         EL_DF_WOODEN_GRID_FIXED_4,
12855         EL_DF_WOODEN_GRID_FIXED_3,
12856         EL_DF_WOODEN_GRID_FIXED_2
12857       },
12858       {
12859         EL_DF_STEEL_GRID_ROTATING_1,
12860         EL_DF_STEEL_GRID_ROTATING_8,
12861         EL_DF_STEEL_GRID_ROTATING_7,
12862         EL_DF_STEEL_GRID_ROTATING_6,
12863         EL_DF_STEEL_GRID_ROTATING_5,
12864         EL_DF_STEEL_GRID_ROTATING_4,
12865         EL_DF_STEEL_GRID_ROTATING_3,
12866         EL_DF_STEEL_GRID_ROTATING_2
12867       },
12868       {
12869         EL_DF_WOODEN_GRID_ROTATING_1,
12870         EL_DF_WOODEN_GRID_ROTATING_8,
12871         EL_DF_WOODEN_GRID_ROTATING_7,
12872         EL_DF_WOODEN_GRID_ROTATING_6,
12873         EL_DF_WOODEN_GRID_ROTATING_5,
12874         EL_DF_WOODEN_GRID_ROTATING_4,
12875         EL_DF_WOODEN_GRID_ROTATING_3,
12876         EL_DF_WOODEN_GRID_ROTATING_2
12877       },
12878
12879       {
12880         -1,
12881       },
12882     };
12883     static int rotatable_elements_16[][16] =
12884     {
12885       {
12886         EL_MM_MIRROR_1,
12887         EL_MM_MIRROR_16,
12888         EL_MM_MIRROR_15,
12889         EL_MM_MIRROR_14,
12890         EL_MM_MIRROR_13,
12891         EL_MM_MIRROR_12,
12892         EL_MM_MIRROR_11,
12893         EL_MM_MIRROR_10,
12894         EL_MM_MIRROR_9,
12895         EL_MM_MIRROR_8,
12896         EL_MM_MIRROR_7,
12897         EL_MM_MIRROR_6,
12898         EL_MM_MIRROR_5,
12899         EL_MM_MIRROR_4,
12900         EL_MM_MIRROR_3,
12901         EL_MM_MIRROR_2
12902       },
12903       {
12904         EL_MM_TELEPORTER_5,
12905         EL_MM_TELEPORTER_4,
12906         EL_MM_TELEPORTER_3,
12907         EL_MM_TELEPORTER_2,
12908         EL_MM_TELEPORTER_1,
12909         EL_MM_TELEPORTER_16,
12910         EL_MM_TELEPORTER_15,
12911         EL_MM_TELEPORTER_14,
12912         EL_MM_TELEPORTER_13,
12913         EL_MM_TELEPORTER_12,
12914         EL_MM_TELEPORTER_11,
12915         EL_MM_TELEPORTER_10,
12916         EL_MM_TELEPORTER_9,
12917         EL_MM_TELEPORTER_8,
12918         EL_MM_TELEPORTER_7,
12919         EL_MM_TELEPORTER_6
12920       },
12921       {
12922         EL_MM_TELEPORTER_RED_5,
12923         EL_MM_TELEPORTER_RED_4,
12924         EL_MM_TELEPORTER_RED_3,
12925         EL_MM_TELEPORTER_RED_2,
12926         EL_MM_TELEPORTER_RED_1,
12927         EL_MM_TELEPORTER_RED_16,
12928         EL_MM_TELEPORTER_RED_15,
12929         EL_MM_TELEPORTER_RED_14,
12930         EL_MM_TELEPORTER_RED_13,
12931         EL_MM_TELEPORTER_RED_12,
12932         EL_MM_TELEPORTER_RED_11,
12933         EL_MM_TELEPORTER_RED_10,
12934         EL_MM_TELEPORTER_RED_9,
12935         EL_MM_TELEPORTER_RED_8,
12936         EL_MM_TELEPORTER_RED_7,
12937         EL_MM_TELEPORTER_RED_6
12938       },
12939       {
12940         EL_MM_TELEPORTER_YELLOW_5,
12941         EL_MM_TELEPORTER_YELLOW_4,
12942         EL_MM_TELEPORTER_YELLOW_3,
12943         EL_MM_TELEPORTER_YELLOW_2,
12944         EL_MM_TELEPORTER_YELLOW_1,
12945         EL_MM_TELEPORTER_YELLOW_16,
12946         EL_MM_TELEPORTER_YELLOW_15,
12947         EL_MM_TELEPORTER_YELLOW_14,
12948         EL_MM_TELEPORTER_YELLOW_13,
12949         EL_MM_TELEPORTER_YELLOW_12,
12950         EL_MM_TELEPORTER_YELLOW_11,
12951         EL_MM_TELEPORTER_YELLOW_10,
12952         EL_MM_TELEPORTER_YELLOW_9,
12953         EL_MM_TELEPORTER_YELLOW_8,
12954         EL_MM_TELEPORTER_YELLOW_7,
12955         EL_MM_TELEPORTER_YELLOW_6
12956       },
12957       {
12958         EL_MM_TELEPORTER_GREEN_5,
12959         EL_MM_TELEPORTER_GREEN_4,
12960         EL_MM_TELEPORTER_GREEN_3,
12961         EL_MM_TELEPORTER_GREEN_2,
12962         EL_MM_TELEPORTER_GREEN_1,
12963         EL_MM_TELEPORTER_GREEN_16,
12964         EL_MM_TELEPORTER_GREEN_15,
12965         EL_MM_TELEPORTER_GREEN_14,
12966         EL_MM_TELEPORTER_GREEN_13,
12967         EL_MM_TELEPORTER_GREEN_12,
12968         EL_MM_TELEPORTER_GREEN_11,
12969         EL_MM_TELEPORTER_GREEN_10,
12970         EL_MM_TELEPORTER_GREEN_9,
12971         EL_MM_TELEPORTER_GREEN_8,
12972         EL_MM_TELEPORTER_GREEN_7,
12973         EL_MM_TELEPORTER_GREEN_6
12974       },
12975       {
12976         EL_MM_TELEPORTER_BLUE_5,
12977         EL_MM_TELEPORTER_BLUE_4,
12978         EL_MM_TELEPORTER_BLUE_3,
12979         EL_MM_TELEPORTER_BLUE_2,
12980         EL_MM_TELEPORTER_BLUE_1,
12981         EL_MM_TELEPORTER_BLUE_16,
12982         EL_MM_TELEPORTER_BLUE_15,
12983         EL_MM_TELEPORTER_BLUE_14,
12984         EL_MM_TELEPORTER_BLUE_13,
12985         EL_MM_TELEPORTER_BLUE_12,
12986         EL_MM_TELEPORTER_BLUE_11,
12987         EL_MM_TELEPORTER_BLUE_10,
12988         EL_MM_TELEPORTER_BLUE_9,
12989         EL_MM_TELEPORTER_BLUE_8,
12990         EL_MM_TELEPORTER_BLUE_7,
12991         EL_MM_TELEPORTER_BLUE_6
12992       },
12993       {
12994         EL_MM_POLARIZER_1,
12995         EL_MM_POLARIZER_16,
12996         EL_MM_POLARIZER_15,
12997         EL_MM_POLARIZER_14,
12998         EL_MM_POLARIZER_13,
12999         EL_MM_POLARIZER_12,
13000         EL_MM_POLARIZER_11,
13001         EL_MM_POLARIZER_10,
13002         EL_MM_POLARIZER_9,
13003         EL_MM_POLARIZER_8,
13004         EL_MM_POLARIZER_7,
13005         EL_MM_POLARIZER_6,
13006         EL_MM_POLARIZER_5,
13007         EL_MM_POLARIZER_4,
13008         EL_MM_POLARIZER_3,
13009         EL_MM_POLARIZER_2
13010       },
13011       {
13012         EL_DF_MIRROR_1,
13013         EL_DF_MIRROR_16,
13014         EL_DF_MIRROR_15,
13015         EL_DF_MIRROR_14,
13016         EL_DF_MIRROR_13,
13017         EL_DF_MIRROR_12,
13018         EL_DF_MIRROR_11,
13019         EL_DF_MIRROR_10,
13020         EL_DF_MIRROR_9,
13021         EL_DF_MIRROR_8,
13022         EL_DF_MIRROR_7,
13023         EL_DF_MIRROR_6,
13024         EL_DF_MIRROR_5,
13025         EL_DF_MIRROR_4,
13026         EL_DF_MIRROR_3,
13027         EL_DF_MIRROR_2
13028       },
13029       {
13030         EL_DF_MIRROR_ROTATING_1,
13031         EL_DF_MIRROR_ROTATING_16,
13032         EL_DF_MIRROR_ROTATING_15,
13033         EL_DF_MIRROR_ROTATING_14,
13034         EL_DF_MIRROR_ROTATING_13,
13035         EL_DF_MIRROR_ROTATING_12,
13036         EL_DF_MIRROR_ROTATING_11,
13037         EL_DF_MIRROR_ROTATING_10,
13038         EL_DF_MIRROR_ROTATING_9,
13039         EL_DF_MIRROR_ROTATING_8,
13040         EL_DF_MIRROR_ROTATING_7,
13041         EL_DF_MIRROR_ROTATING_6,
13042         EL_DF_MIRROR_ROTATING_5,
13043         EL_DF_MIRROR_ROTATING_4,
13044         EL_DF_MIRROR_ROTATING_3,
13045         EL_DF_MIRROR_ROTATING_2
13046       },
13047       {
13048         EL_DF_MIRROR_FIXED_1,
13049         EL_DF_MIRROR_FIXED_16,
13050         EL_DF_MIRROR_FIXED_15,
13051         EL_DF_MIRROR_FIXED_14,
13052         EL_DF_MIRROR_FIXED_13,
13053         EL_DF_MIRROR_FIXED_12,
13054         EL_DF_MIRROR_FIXED_11,
13055         EL_DF_MIRROR_FIXED_10,
13056         EL_DF_MIRROR_FIXED_9,
13057         EL_DF_MIRROR_FIXED_8,
13058         EL_DF_MIRROR_FIXED_7,
13059         EL_DF_MIRROR_FIXED_6,
13060         EL_DF_MIRROR_FIXED_5,
13061         EL_DF_MIRROR_FIXED_4,
13062         EL_DF_MIRROR_FIXED_3,
13063         EL_DF_MIRROR_FIXED_2
13064       },
13065
13066       {
13067         -1,
13068       },
13069     };
13070     int i, j;
13071
13072     for (i = 0; swappable_elements[i][0] != -1; i++)
13073     {
13074       int element1 = swappable_elements[i][0];
13075       int element2 = swappable_elements[i][1];
13076
13077       if (old_element == element1 || old_element == element2)
13078         new_element = (old_element == element1 ? element2 : element1);
13079     }
13080
13081     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
13082     {
13083       for (j = 0; j < 4; j++)
13084       {
13085         int element = rotatable_elements_4[i][j];
13086
13087         if (old_element == element)
13088           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
13089                          button == 2 ? rotatable_elements_4[i][0]           :
13090                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
13091                          old_element);
13092       }
13093     }
13094
13095     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
13096     {
13097       for (j = 0; j < 8; j++)
13098       {
13099         int element = rotatable_elements_8[i][j];
13100
13101         if (old_element == element)
13102           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
13103                          button == 2 ? rotatable_elements_8[i][0]           :
13104                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
13105                          old_element);
13106       }
13107     }
13108
13109     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
13110     {
13111       for (j = 0; j < 16; j++)
13112       {
13113         int element = rotatable_elements_16[i][j];
13114
13115         if (old_element == element)
13116           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
13117                          button == 2 ? rotatable_elements_16[i][0]             :
13118                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
13119                          old_element);
13120       }
13121     }
13122
13123     if (old_element != new_element)
13124     {
13125       int max_infotext_len = getMaxInfoTextLength();
13126       char infotext[MAX_OUTPUT_LINESIZE + 1];
13127
13128       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
13129       infotext[max_infotext_len] = '\0';
13130
13131       ClearEditorGadgetInfoText();
13132
13133       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
13134                 infotext);
13135     }
13136   }
13137
13138   if (IS_MM_WALL_EDITOR(new_element))
13139     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
13140   else
13141     SetElementSimple(x, y, new_element, change_level);
13142
13143   last_x = x;
13144   last_y = y;
13145 }
13146
13147 static void ResetIntelliDraw(void)
13148 {
13149   int x, y;
13150
13151   for (x = 0; x < lev_fieldx; x++)
13152     for (y = 0; y < lev_fieldy; y++)
13153       IntelliDrawBuffer[x][y] = Tile[x][y];
13154
13155   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
13156 }
13157
13158 static boolean draw_mode_hires = FALSE;
13159
13160 static boolean isHiresTileElement(int element)
13161 {
13162   return (IS_MM_WALL(element)        || element == EL_EMPTY);
13163 }
13164
13165 static boolean isHiresDrawElement(int element)
13166 {
13167   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
13168 }
13169
13170 static int numHiresTiles(int element)
13171 {
13172   if (IS_MM_WALL(element))
13173     return get_number_of_bits(MM_WALL_BITS(element));
13174
13175   return 1;
13176 }
13177
13178 static void SetDrawModeHiRes(int element)
13179 {
13180   draw_mode_hires =
13181     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13182      isHiresDrawElement(element));
13183 }
13184
13185 static boolean getDrawModeHiRes(void)
13186 {
13187   return draw_mode_hires;
13188 }
13189
13190 static int getLoResScreenPos(int pos)
13191 {
13192   return (getDrawModeHiRes() ? pos / 2 : pos);
13193 }
13194
13195 static int getLoResScreenMod(int pos)
13196 {
13197   return (getDrawModeHiRes() ? pos % 2 : 0);
13198 }
13199
13200 static void SetElementExt(int x, int y, int dx, int dy, int element,
13201                           boolean change_level, int button)
13202 {
13203   if (element < 0)
13204     SetElementSimple(x, y, Tile[x][y], change_level);
13205   else if (GetKeyModState() & KMOD_Shift)
13206     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
13207   else
13208     SetElementSimpleExt(x, y, dx, dy, element, change_level);
13209 }
13210
13211 static void SetElement(int x, int y, int element)
13212 {
13213   SetElementExt(x, y, 0, 0, element, TRUE, -1);
13214 }
13215
13216 static void SetElementButton(int x, int y, int dx, int dy, int element,
13217                              int button)
13218 {
13219   SetElementExt(x, y, dx, dy, element, TRUE, button);
13220 }
13221
13222 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
13223 {
13224   int lx = getLoResScreenPos(sx2) + level_xpos;
13225   int ly = getLoResScreenPos(sy2) + level_ypos;
13226   int dx = getLoResScreenMod(sx2);
13227   int dy = getLoResScreenMod(sy2);
13228
13229   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
13230 }
13231
13232 static void SetLevelElementHiRes(int lx2, int ly2, int element)
13233 {
13234   int lx = lx2 / 2;
13235   int ly = ly2 / 2;
13236   int dx = lx2 % 2;
13237   int dy = ly2 % 2;
13238
13239   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
13240 }
13241
13242 static int getLevelElementHiRes(int lx2, int ly2)
13243 {
13244   int lx = lx2 / 2;
13245   int ly = ly2 / 2;
13246   int dx = lx2 % 2;
13247   int dy = ly2 % 2;
13248   int element = Tile[lx][ly];
13249   unsigned int bitmask = (dx + 1) << (dy * 2);
13250
13251   if (IS_MM_WALL(element))
13252   {
13253     if (element & bitmask)
13254       return map_mm_wall_element(element);
13255     else
13256       return EL_EMPTY;
13257   }
13258
13259   return element;
13260 }
13261
13262 static void DrawLineElement(int x, int y, int element, boolean change_level)
13263 {
13264   SetElementHiRes(x, y, element, change_level);
13265 }
13266
13267 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
13268                      int element, boolean change_level)
13269 {
13270   int xsize = ABS(to_x - from_x);
13271   int ysize = ABS(to_y - from_y);
13272   int dx = (to_x < from_x ? -1 : +1);
13273   int dy = (to_y < from_y ? -1 : +1);
13274   int i;
13275
13276   if (from_y == to_y)                   // horizontal line
13277   {
13278     for (i = 0; i <= xsize; i++)
13279       DrawLineElement(from_x + i * dx, from_y, element, change_level);
13280   }
13281   else if (from_x == to_x)              // vertical line
13282   {
13283     for (i = 0; i <= ysize; i++)
13284       DrawLineElement(from_x, from_y + i * dy, element, change_level);
13285   }
13286   else                                  // diagonal line
13287   {
13288     if (ysize < xsize)                  // a < 1
13289     {
13290       float a = (float)ysize / (float)xsize;
13291
13292       for (i = 0; i <= xsize; i++)
13293       {
13294         int x = dx * i;
13295         int y = dy * (int)(a * i + 0.5);
13296
13297         DrawLineElement(from_x + x, from_y + y, element, change_level);
13298       }
13299     }
13300     else                                // a >= 1
13301     {
13302       float a = (float)xsize / (float)ysize;
13303
13304       for (i = 0; i <= ysize; i++)
13305       {
13306         int x = dx * (int)(a * i + 0.5);
13307         int y = dy * i;
13308
13309         DrawLineElement(from_x + x, from_y + y, element, change_level);
13310       }
13311     }
13312   }
13313 }
13314
13315 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
13316                     int element, boolean change_level)
13317 {
13318   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
13319   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
13320   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
13321   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
13322 }
13323
13324 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
13325                           int element, boolean change_level)
13326 {
13327   int y;
13328
13329   if (from_y > to_y)
13330     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
13331
13332   for (y = from_y; y <= to_y; y++)
13333     DrawLine(from_x, y, to_x, y, element, change_level);
13334 }
13335
13336 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
13337                        int element, boolean change_level)
13338 {
13339   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
13340   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
13341   int len_x = ABS(to_x - from_x);
13342   int len_y = ABS(to_y - from_y);
13343   int radius, x, y;
13344
13345   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
13346
13347   // not optimal (some points get drawn twice) but simple,
13348   // and fast enough for the few points we are drawing
13349
13350   for (x = 0; x <= radius; x++)
13351   {
13352     int sx, sy, sx2, sy2, lx, ly;
13353
13354     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
13355
13356     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13357     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13358     sx = getLoResScreenPos(sx2);
13359     sy = getLoResScreenPos(sy2);
13360     lx = sx + level_xpos;
13361     ly = sy + level_ypos;
13362
13363     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13364       DrawLineElement(sx2, sy2, element, change_level);
13365   }
13366
13367   for (y = 0; y <= radius; y++)
13368   {
13369     int sx, sy, sx2, sy2, lx, ly;
13370
13371     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
13372
13373     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13374     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13375     sx = getLoResScreenPos(sx2);
13376     sy = getLoResScreenPos(sy2);
13377     lx = sx + level_xpos;
13378     ly = sy + level_ypos;
13379
13380     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13381       DrawLineElement(sx2, sy2, element, change_level);
13382   }
13383 }
13384
13385 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
13386                     int element, boolean change_level)
13387 {
13388   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13389   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13390
13391   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13392 }
13393
13394 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
13395
13396 #if DRAW_CIRCLES_BUTTON_AVAILABLE
13397 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
13398                        int element, boolean change_level)
13399 {
13400   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13401   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13402   int mirror_to_x2 = from_x - (to_x2 - from_x);
13403   int mirror_to_y2 = from_y - (to_y2 - from_y);
13404
13405   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13406   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
13407   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
13408   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
13409 }
13410 #endif
13411
13412 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
13413 {
13414   int from_sx, from_sy;
13415   int to_sx, to_sy;
13416
13417   if (from_x > to_x)
13418     swap_numbers(&from_x, &to_x);
13419
13420   if (from_y > to_y)
13421     swap_numbers(&from_y, &to_y);
13422
13423   from_sx = SX + from_x * ed_tilesize;
13424   from_sy = SY + from_y * ed_tilesize;
13425   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
13426   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
13427
13428   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
13429   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
13430   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
13431   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
13432
13433   if (from_x == to_x && from_y == to_y)
13434     MarkTileDirty(from_x/2, from_y/2);
13435   else
13436     redraw_mask |= REDRAW_FIELD;
13437 }
13438
13439 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
13440                         int element, boolean change_level)
13441 {
13442   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
13443 }
13444
13445 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
13446                        int element, boolean change_level)
13447 {
13448   if (element == -1 || change_level)
13449     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
13450   else
13451     DrawAreaBorder(from_x, from_y, to_x, to_y);
13452 }
13453
13454 // values for CopyBrushExt()
13455 #define CB_AREA_TO_BRUSH                0
13456 #define CB_BRUSH_TO_CURSOR              1
13457 #define CB_BRUSH_TO_LEVEL               2
13458 #define CB_DELETE_OLD_CURSOR            3
13459 #define CB_DUMP_BRUSH                   4
13460 #define CB_DUMP_BRUSH_SMALL             5
13461 #define CB_CLIPBOARD_TO_BRUSH           6
13462 #define CB_BRUSH_TO_CLIPBOARD           7
13463 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
13464 #define CB_UPDATE_BRUSH_POSITION        9
13465 #define CB_FLIP_BRUSH_X                 10
13466 #define CB_FLIP_BRUSH_Y                 11
13467 #define CB_FLIP_BRUSH_XY                12
13468
13469 #define MAX_CB_PART_SIZE        10
13470 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
13471 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
13472 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
13473                                  MAX_CB_NUM_LINES *     \
13474                                  MAX_CB_PART_SIZE)
13475
13476 static int getFlippedTileExt(int map[], int element)
13477 {
13478   int i;
13479
13480   for (i = 0; map[i] != -1; i++)
13481     if (map[i] == element)
13482       return map[i ^ 1];        // get flipped element by flipping LSB of index
13483
13484   return element;
13485 }
13486
13487 static int getFlippedTileX(int element)
13488 {
13489   int map[] =
13490   {
13491     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
13492     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
13493     EL_BUG_LEFT,                        EL_BUG_RIGHT,
13494     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
13495     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
13496     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
13497     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
13498     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
13499     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
13500     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
13501     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
13502     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
13503     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
13504     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
13505     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
13506     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
13507     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
13508     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
13509     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
13510     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
13511     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
13512     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
13513     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
13514     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
13515     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
13516     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
13517     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13518     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
13519     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
13520     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
13521
13522     -1
13523   };
13524
13525   return getFlippedTileExt(map, element);
13526 }
13527
13528 static int getFlippedTileY(int element)
13529 {
13530   int map[] =
13531   {
13532     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
13533     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
13534     EL_BUG_UP,                          EL_BUG_DOWN,
13535     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
13536     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
13537     EL_ARROW_UP,                        EL_ARROW_DOWN,
13538     EL_MOLE_UP,                         EL_MOLE_DOWN,
13539     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
13540     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
13541     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
13542     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
13543     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
13544     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
13545     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
13546     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
13547     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
13548     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
13549     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
13550     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
13551     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
13552     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13553     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13554     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
13555     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
13556
13557     -1
13558   };
13559
13560   return getFlippedTileExt(map, element);
13561 }
13562
13563 static int getFlippedTileXY(int element)
13564 {
13565   int map[] =
13566   {
13567     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
13568     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
13569     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
13570     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
13571     EL_BUG_LEFT,                        EL_BUG_UP,
13572     EL_BUG_RIGHT,                       EL_BUG_DOWN,
13573     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
13574     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
13575     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
13576     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
13577     EL_ARROW_LEFT,                      EL_ARROW_UP,
13578     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
13579     EL_MOLE_LEFT,                       EL_MOLE_UP,
13580     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
13581     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
13582     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
13583     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
13584     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
13585     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
13586     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
13587     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
13588     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
13589     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
13590     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
13591     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
13592     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
13593     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
13594     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
13595     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
13596     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
13597     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
13598     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
13599     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
13600     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
13601     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
13602     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
13603     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13604     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
13605     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
13606     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
13607     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
13608     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
13609
13610     -1
13611   };
13612
13613   return getFlippedTileExt(map, element);
13614 }
13615
13616 static int getFlippedTile(int element, int mode)
13617 {
13618   if (IS_MM_ELEMENT(element))
13619   {
13620     // get MM game element
13621     element = map_element_RND_to_MM(element);
13622
13623     // get flipped game element
13624     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
13625                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
13626                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
13627                element);
13628
13629     // get RND game element again
13630     element = map_element_MM_to_RND(element);
13631   }
13632   else
13633   {
13634     // get flipped game element
13635     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
13636                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
13637                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
13638                element);
13639   }
13640
13641   return element;
13642 }
13643
13644 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
13645 {
13646   // flip tiles
13647   short tile1_flipped = getFlippedTile(*tile1, mode);
13648   short tile2_flipped = getFlippedTile(*tile2, mode);
13649
13650   // swap tiles
13651   *tile1 = tile2_flipped;
13652   *tile2 = tile1_flipped;
13653 }
13654
13655 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
13656 {
13657   DrawLineElement(sx, sy, element, change_level);
13658 }
13659
13660 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
13661                          int button, int mode)
13662 {
13663   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13664   static int brush_width, brush_height;
13665   static int last_cursor_x = -1, last_cursor_y = -1;
13666   static boolean delete_old_brush = FALSE;
13667   int new_element = BUTTON_ELEMENT(button);
13668   int x, y;
13669
13670   if (mode == CB_DUMP_BRUSH ||
13671       mode == CB_DUMP_BRUSH_SMALL ||
13672       mode == CB_BRUSH_TO_CLIPBOARD ||
13673       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13674   {
13675     if (edit_mode != ED_MODE_DRAWING)
13676       return;
13677
13678     char part[MAX_CB_PART_SIZE + 1] = "";
13679     char text[MAX_CB_TEXT_SIZE + 1] = "";
13680     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
13681     int height = (draw_with_brush ? brush_height : lev_fieldy);
13682     char *format = "%s%03d";
13683
13684     for (y = 0; y < height; y++)
13685       for (x = 0; x < width; x++)
13686         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
13687           format = "%s%04d";
13688
13689     for (y = 0; y < height; y++)
13690     {
13691       for (x = 0; x < width; x++)
13692       {
13693         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
13694         char *prefix = (mode == CB_DUMP_BRUSH ||
13695                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
13696
13697         if (element >= NUM_FILE_ELEMENTS)
13698           element = EL_UNKNOWN;
13699
13700         // copy brush to level sketch text buffer for the R'n'D forum:
13701         // - large tiles: `xxx or `xxxx (0x60 ASCII)
13702         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
13703         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
13704         strcat(text, part);
13705       }
13706
13707       strcat(text, "\n");
13708     }
13709
13710     if (mode == CB_BRUSH_TO_CLIPBOARD ||
13711         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13712       SDL_SetClipboardText(text);
13713     else
13714       Print("%s", text);        // print brush data to console and log file
13715
13716     return;
13717   }
13718
13719   if (mode == CB_CLIPBOARD_TO_BRUSH)
13720   {
13721     if (edit_mode != ED_MODE_DRAWING)
13722       return;
13723
13724     if (!SDL_HasClipboardText())
13725     {
13726       Request("Clipboard is empty!", REQ_CONFIRM);
13727
13728       return;
13729     }
13730
13731     boolean copy_to_brush = (draw_with_brush ||
13732                              drawing_function == GADGET_ID_GRAB_BRUSH);
13733
13734     // this will delete the old brush, if already drawing with a brush
13735     if (copy_to_brush)
13736       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
13737
13738     // initialization is required for "odd" (incomplete) clipboard content
13739     for (x = 0; x < MAX_LEV_FIELDX; x++)
13740       for (y = 0; y < MAX_LEV_FIELDY; y++)
13741         brush_buffer[x][y] = EL_EMPTY;
13742
13743     brush_width  = 0;
13744     brush_height = 0;
13745     x = 0;
13746     y = 0;
13747
13748     char *clipboard_text = SDL_GetClipboardText();
13749     char *ptr = clipboard_text;
13750     boolean allow_new_row = FALSE;
13751     boolean stop = FALSE;
13752
13753     while (*ptr && !stop)
13754     {
13755       boolean prefix_found = FALSE;
13756       boolean start_new_row = FALSE;
13757
13758       // level sketch element number prefixes (may be multi-byte characters)
13759       char *prefix_list[] = { "`", "¸" };
13760       int i;
13761
13762       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
13763       {
13764         char *prefix = prefix_list[i];
13765
13766         // check if string is large enough for prefix
13767         if (strlen(ptr) < strlen(prefix))
13768         {
13769           stop = TRUE;
13770
13771           break;
13772         }
13773
13774         // check if string starts with prefix
13775         if (strPrefix(ptr, prefix))
13776         {
13777           ptr += strlen(prefix);
13778
13779           prefix_found = TRUE;
13780
13781           break;
13782         }
13783       }
13784
13785       // check if prefix found and followed by (at least) three digits
13786       if (prefix_found &&
13787           strlen(ptr) >= 3 &&
13788           ptr[0] >= '0' && ptr[0] <= '9' &&
13789           ptr[1] >= '0' && ptr[1] <= '9' &&
13790           ptr[2] >= '0' && ptr[2] <= '9')
13791       {
13792         int element = ((ptr[0] - '0') * 100 +
13793                        (ptr[1] - '0') * 10 +
13794                        (ptr[2] - '0'));
13795
13796         ptr += 3;
13797
13798         // level sketch element number might consist of four digits
13799         if (ptr[0] >= '0' && ptr[0] <= '9')
13800         {
13801           element = element * 10 + (ptr[0] - '0');
13802           ptr++;
13803         }
13804
13805         // remap some (historic, now obsolete) elements
13806         element = getMappedElement(element);
13807
13808         if (element >= NUM_FILE_ELEMENTS)
13809           element = EL_UNKNOWN;
13810
13811         brush_buffer[x][y] = element;
13812
13813         brush_width  = MAX(x + 1, brush_width);
13814         brush_height = MAX(y + 1, brush_height);
13815
13816         x++;
13817
13818         if (x >= MAX_LEV_FIELDX)
13819           start_new_row = TRUE;
13820
13821         allow_new_row = TRUE;
13822       }
13823       else
13824       {
13825         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
13826           start_new_row = TRUE;
13827
13828         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
13829       }
13830
13831       if (start_new_row)
13832       {
13833         x = 0;
13834         y++;
13835
13836         if (y >= MAX_LEV_FIELDY)
13837           stop = TRUE;
13838
13839         allow_new_row = FALSE;
13840       }
13841     }
13842
13843     SDL_free(clipboard_text);
13844
13845     if (brush_width == 0 || brush_height == 0)
13846     {
13847       Request("No level sketch found in clipboard!", REQ_CONFIRM);
13848
13849       return;
13850     }
13851
13852     if (copy_to_brush)
13853     {
13854       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
13855       int mx, my;
13856
13857       SDL_GetMouseState(&mx, &my);
13858
13859       // if inside drawing area, activate and draw brush at last mouse position
13860       if (mx >= gi->x && mx < gi->x + gi->width &&
13861           my >= gi->y && my < gi->y + gi->height)
13862         CopyBrushToCursor(last_cursor_x, last_cursor_y);
13863
13864       draw_with_brush = TRUE;
13865     }
13866     else
13867     {
13868       char request[100];
13869
13870       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
13871               brush_width, brush_height);
13872
13873       if (!Request(request, REQ_ASK))
13874         return;
13875
13876       for (x = 0; x < MAX_LEV_FIELDX; x++)
13877         for (y = 0; y < MAX_LEV_FIELDY; y++)
13878           Tile[x][y] = brush_buffer[x][y];
13879
13880       lev_fieldx = level.fieldx = brush_width;
13881       lev_fieldy = level.fieldy = brush_height;
13882
13883       boolean use_bd_engine = TRUE;
13884       boolean use_em_engine = TRUE;
13885       boolean use_sp_engine = TRUE;
13886       boolean use_mm_engine = TRUE;
13887
13888       for (x = 0; x < MAX_LEV_FIELDX; x++)
13889       {
13890         for (y = 0; y < MAX_LEV_FIELDY; y++)
13891         {
13892           int element = Tile[x][y];
13893
13894           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13895             use_bd_engine = FALSE;
13896
13897           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13898             use_em_engine = FALSE;
13899
13900           if (!IS_SP_ELEMENT(element))
13901             use_sp_engine = FALSE;
13902
13903           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
13904             use_mm_engine = FALSE;
13905         }
13906       }
13907
13908       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
13909                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
13910                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
13911                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
13912                                 GAME_ENGINE_TYPE_RND);
13913
13914       // update element selection list
13915       ReinitializeElementList();
13916       ModifyEditorElementList();
13917
13918       SetBorderElement();
13919
13920       DrawEditModeWindow();
13921       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13922     }
13923
13924     return;
13925   }
13926
13927   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
13928     return;
13929
13930   if (mode == CB_AREA_TO_BRUSH)
13931   {
13932     int from_lx, from_ly;
13933
13934     if (from_x > to_x)
13935       swap_numbers(&from_x, &to_x);
13936
13937     if (from_y > to_y)
13938       swap_numbers(&from_y, &to_y);
13939
13940     brush_width = to_x - from_x + 1;
13941     brush_height = to_y - from_y + 1;
13942
13943     from_lx = from_x + level_xpos;
13944     from_ly = from_y + level_ypos;
13945
13946     for (y = 0; y < brush_height; y++)
13947     {
13948       for (x = 0; x < brush_width; x++)
13949       {
13950         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
13951
13952         if (button != 1)
13953           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
13954       }
13955     }
13956
13957     if (button != 1)
13958       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13959
13960     delete_old_brush = FALSE;
13961   }
13962   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
13963            mode == CB_BRUSH_TO_LEVEL)
13964   {
13965     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
13966     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
13967     int cursor_from_x = cursor_x - brush_width / 2;
13968     int cursor_from_y = cursor_y - brush_height / 2;
13969     int border_from_x = cursor_x, border_from_y = cursor_y;
13970     int border_to_x = cursor_x, border_to_y = cursor_y;
13971
13972     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
13973       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13974
13975     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
13976         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
13977     {
13978       delete_old_brush = FALSE;
13979
13980       return;
13981     }
13982
13983     for (y = 0; y < brush_height; y++)
13984     {
13985       for (x = 0; x < brush_width; x++)
13986       {
13987         int sx = cursor_from_x + x;
13988         int sy = cursor_from_y + y;
13989         int lx = sx + level_xpos;
13990         int ly = sy + level_ypos;
13991         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
13992         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
13993                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
13994                        brush_buffer[x][y] : new_element);
13995
13996         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13997         {
13998           if (sx < border_from_x)
13999             border_from_x = sx;
14000           else if (sx > border_to_x)
14001             border_to_x = sx;
14002           if (sy < border_from_y)
14003             border_from_y = sy;
14004           else if (sy > border_to_y)
14005             border_to_y = sy;
14006
14007           DrawBrushElement(sx, sy, element, change_level);
14008         }
14009       }
14010     }
14011
14012     if (mode != CB_DELETE_OLD_CURSOR)
14013       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
14014
14015     last_cursor_x = cursor_x;
14016     last_cursor_y = cursor_y;
14017
14018     delete_old_brush = TRUE;
14019   }
14020   else if (mode == CB_FLIP_BRUSH_X)
14021   {
14022     for (y = 0; y < brush_height; y++)
14023       for (x = 0; x < (brush_width + 1) / 2; x++)
14024         SwapFlippedTiles(&brush_buffer[x][y],
14025                          &brush_buffer[brush_width - x - 1][y], mode);
14026
14027     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14028   }
14029   else if (mode == CB_FLIP_BRUSH_Y)
14030   {
14031     for (y = 0; y < (brush_height + 1) / 2; y++)
14032       for (x = 0; x < brush_width; x++)
14033         SwapFlippedTiles(&brush_buffer[x][y],
14034                          &brush_buffer[x][brush_height - y - 1], mode);
14035
14036     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14037   }
14038   else if (mode == CB_FLIP_BRUSH_XY)
14039   {
14040     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14041
14042     for (y = 0; y < MAX(brush_width, brush_height); y++)
14043       for (x = 0; x <= y; x++)
14044         SwapFlippedTiles(&brush_buffer[x][y],
14045                          &brush_buffer[y][x], mode);
14046
14047     swap_numbers(&brush_width, &brush_height);
14048
14049     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14050   }
14051
14052   if (mode == CB_UPDATE_BRUSH_POSITION)
14053   {
14054     last_cursor_x = from_x;
14055     last_cursor_y = from_y;
14056   }
14057 }
14058
14059 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
14060                             int button)
14061 {
14062   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
14063 }
14064
14065 static void CopyBrushToLevel(int x, int y, int button)
14066 {
14067   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
14068 }
14069
14070 static void CopyBrushToCursor(int x, int y)
14071 {
14072   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14073 }
14074
14075 static void UpdateBrushPosition(int x, int y)
14076 {
14077   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
14078 }
14079
14080 static void DeleteBrushFromCursor(void)
14081 {
14082   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14083 }
14084
14085 static void FlipBrushX(void)
14086 {
14087   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14088 }
14089
14090 static void FlipBrushY(void)
14091 {
14092   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
14093 }
14094
14095 static void RotateBrush(void)
14096 {
14097   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
14098   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14099 }
14100
14101 void DumpBrush(void)
14102 {
14103   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
14104 }
14105
14106 void DumpBrush_Small(void)
14107 {
14108   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
14109 }
14110
14111 void CopyClipboardToBrush(void)
14112 {
14113   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
14114 }
14115
14116 void CopyBrushToClipboard(void)
14117 {
14118   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
14119 }
14120
14121 void CopyBrushToClipboard_Small(void)
14122 {
14123   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
14124 }
14125
14126 void UndoLevelEditorOperation(void)
14127 {
14128   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
14129 }
14130
14131 void RedoLevelEditorOperation(void)
14132 {
14133   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14134 }
14135
14136 static void FloodFill(int from_x, int from_y, int fill_element)
14137 {
14138   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
14139 }
14140
14141 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
14142 {
14143   int from_x = from_sx2 + 2 * level_xpos;
14144   int from_y = from_sy2 + 2 * level_ypos;
14145   int max_fillx = lev_fieldx * 2;
14146   int max_filly = lev_fieldy * 2;
14147   short Fill[max_fillx][max_filly];
14148   int x, y;
14149
14150   for (x = 0; x < max_fillx; x++)
14151     for (y = 0; y < max_filly; y++)
14152       Fill[x][y] = getLevelElementHiRes(x, y);
14153
14154   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
14155                     Fill, max_fillx, max_filly);
14156
14157   for (x = 0; x < max_fillx; x++)
14158     for (y = 0; y < max_filly; y++)
14159       if (Fill[x][y] == fill_element)
14160         SetLevelElementHiRes(x, y, Fill[x][y]);
14161 }
14162
14163 // values for DrawLevelText() modes
14164 #define TEXT_INIT               0
14165 #define TEXT_SETCURSOR          1
14166 #define TEXT_WRITECHAR          2
14167 #define TEXT_BACKSPACE          3
14168 #define TEXT_NEWLINE            4
14169 #define TEXT_END                5
14170 #define TEXT_QUERY_TYPING       6
14171
14172 static int DrawLevelText(int sx, int sy, char letter, int mode)
14173 {
14174   static short delete_buffer[MAX_LEV_FIELDX];
14175   static int start_sx;
14176   static int last_sx, last_sy;
14177   static boolean typing = FALSE;
14178   int letter_element;
14179   int lx = 0, ly = 0;
14180
14181   // map lower case letters to upper case and convert special characters
14182   if (letter >= 'a' && letter <= 'z')
14183     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
14184   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
14185     letter_element = EL_CHAR_AUMLAUT;
14186   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
14187     letter_element = EL_CHAR_OUMLAUT;
14188   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
14189     letter_element = EL_CHAR_UUMLAUT;
14190   else if (letter == '^')
14191     letter_element = EL_CHAR_COPYRIGHT;
14192   else
14193     letter_element = EL_CHAR_ASCII0 + letter;
14194
14195   if (mode != TEXT_INIT)
14196   {
14197     if (!typing)
14198       return FALSE;
14199
14200     if (mode != TEXT_SETCURSOR)
14201     {
14202       sx = last_sx;
14203       sy = last_sy;
14204     }
14205
14206     lx = last_sx + level_xpos;
14207     ly = last_sy + level_ypos;
14208   }
14209
14210   switch (mode)
14211   {
14212     case TEXT_INIT:
14213       if (typing)
14214         DrawLevelText(0, 0, 0, TEXT_END);
14215
14216       typing = TRUE;
14217       start_sx = sx;
14218       last_sx = sx;
14219       last_sy = sy;
14220       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
14221       break;
14222
14223     case TEXT_SETCURSOR:
14224       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
14225       DrawAreaBorder(sx, sy, sx, sy);
14226       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
14227                      ed_tilesize, ed_tilesize);
14228       last_sx = sx;
14229       last_sy = sy;
14230       break;
14231
14232     case TEXT_WRITECHAR:
14233       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
14234       {
14235         if (new_element1 >= EL_STEEL_CHAR_START &&
14236             new_element1 <= EL_STEEL_CHAR_END)
14237           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
14238
14239         delete_buffer[sx - start_sx] = Tile[lx][ly];
14240         Tile[lx][ly] = letter_element;
14241
14242         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
14243           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
14244         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14245           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14246         else
14247           DrawLevelText(0, 0, 0, TEXT_END);
14248
14249         level.changed = TRUE;
14250       }
14251       break;
14252
14253     case TEXT_BACKSPACE:
14254       if (sx > start_sx)
14255       {
14256         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
14257         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
14258         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
14259       }
14260       break;
14261
14262     case TEXT_NEWLINE:
14263       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14264         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14265       else
14266         DrawLevelText(0, 0, 0, TEXT_END);
14267       break;
14268
14269     case TEXT_END:
14270       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14271       DrawEditorElement(sx, sy, Tile[lx][ly]);
14272       StopTextInput();
14273       typing = FALSE;
14274       break;
14275
14276     case TEXT_QUERY_TYPING:
14277       break;
14278
14279     default:
14280       break;
14281   }
14282
14283   return typing;
14284 }
14285
14286 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
14287                           int element, boolean change_level)
14288 {
14289   int lx = sx + level_xpos;
14290   int ly = sy + level_ypos;
14291
14292   if (element == -1)
14293     DrawEditorElement(sx, sy, Tile[lx][ly]);
14294   else
14295     DrawAreaBorder(sx, sy, sx, sy);
14296 }
14297
14298 static void CheckLevelBorderElement(boolean redraw_playfield)
14299 {
14300   int last_border_element = BorderElement;
14301
14302   SetBorderElement();
14303
14304   if (redraw_playfield && BorderElement != last_border_element)
14305     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14306 }
14307
14308 static void CopyLevelToUndoBuffer(int mode)
14309 {
14310   static boolean accumulated_undo = FALSE;
14311   boolean new_undo_buffer_position = TRUE;
14312   int x, y;
14313
14314   if (undo_buffer_steps == 0)
14315     accumulated_undo = FALSE;
14316
14317   switch (mode)
14318   {
14319     case UNDO_IMMEDIATE:
14320       accumulated_undo = FALSE;
14321       break;
14322
14323     case UNDO_ACCUMULATE:
14324       if (accumulated_undo)
14325         new_undo_buffer_position = FALSE;
14326       accumulated_undo = TRUE;
14327       break;
14328
14329     default:
14330       break;
14331   }
14332
14333   if (new_undo_buffer_position)
14334   {
14335     // advance position in undo buffer ring
14336     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14337
14338     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
14339       undo_buffer_steps++;
14340   }
14341
14342   // always reset redo buffer when storing level change into undo buffer
14343   redo_buffer_steps = 0;
14344
14345   for (x = 0; x < lev_fieldx; x++)
14346     for (y = 0; y < lev_fieldy; y++)
14347       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
14348
14349   // check if drawing operation forces change of border style
14350   CheckLevelBorderElement(TRUE);
14351
14352   level.changed = TRUE;
14353 }
14354
14355 static void RandomPlacement(int new_element)
14356 {
14357   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14358   int num_free_positions = 0;
14359   int num_percentage, num_elements;
14360   int x, y;
14361
14362   ResetIntelliDraw();
14363
14364   // determine number of free positions for randomly placing the new element
14365   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
14366   {
14367     free_position[x][y] =
14368       (random_placement_background_restricted ?
14369        Tile[x][y] == random_placement_background_element :
14370        Tile[x][y] != new_element);
14371
14372     if (free_position[x][y])
14373       num_free_positions++;
14374   }
14375
14376   // determine number of new elements to place there
14377   num_percentage = num_free_positions * random_placement_value / 100;
14378   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
14379                   num_percentage : random_placement_value);
14380
14381   // if less free positions than elements to place, fill all these positions
14382   if (num_free_positions < num_elements)
14383   {
14384     for (x = 0; x < lev_fieldx; x++)
14385       for (y = 0; y < lev_fieldy; y++)
14386         if (free_position[x][y])
14387           SetElement(x, y, new_element);
14388   }
14389   else
14390   {
14391     while (num_elements > 0)
14392     {
14393       x = GetSimpleRandom(lev_fieldx);
14394       y = GetSimpleRandom(lev_fieldy);
14395
14396       // don't place element at the same position twice
14397       if (free_position[x][y])
14398       {
14399         free_position[x][y] = FALSE;
14400         SetElement(x, y, new_element);
14401         num_elements--;
14402       }
14403     }
14404   }
14405
14406   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14407   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14408 }
14409
14410 static void WrapLevel(int dx, int dy)
14411 {
14412   int wrap_dx = lev_fieldx - dx;
14413   int wrap_dy = lev_fieldy - dy;
14414   int x, y;
14415
14416   for (x = 0; x < lev_fieldx; x++)
14417     for (y = 0; y < lev_fieldy; y++)
14418       TileBackup[x][y] = Tile[x][y];
14419
14420   for (x = 0; x < lev_fieldx; x++)
14421     for (y = 0; y < lev_fieldy; y++)
14422       Tile[x][y] =
14423         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
14424
14425   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14426   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
14427 }
14428
14429 static void DrawAreaElementHighlight(boolean highlighted,
14430                                      boolean highlighted_similar)
14431 {
14432   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14433
14434   if (!highlighted)
14435     return;
14436
14437   int x, y;
14438
14439   for (x = 0; x < ed_fieldx; x++)
14440   {
14441     for (y = 0; y < ed_fieldy; y++)
14442     {
14443       boolean highlight = FALSE;
14444       int lx = x + level_xpos;
14445       int ly = y + level_ypos;
14446
14447       if (!IN_LEV_FIELD(lx, ly))
14448         continue;
14449
14450       // check if element is the same
14451       if (Tile[lx][ly] == new_element1)
14452         highlight = TRUE;
14453
14454       // check if element is similar
14455       if (highlighted_similar &&
14456           strEqual(element_info[Tile[lx][ly]].class_name,
14457                    element_info[new_element1].class_name))
14458         highlight = TRUE;
14459
14460       // check if element is matching MM style wall
14461       if (IS_MM_WALL(Tile[lx][ly]) &&
14462           map_mm_wall_element(Tile[lx][ly]) == new_element1)
14463         highlight = TRUE;
14464
14465       if (!highlight)
14466         continue;
14467
14468       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
14469       {
14470         int i;
14471
14472         for (i = 0; i < 4; i++)
14473         {
14474           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
14475             continue;
14476
14477           int xx = x * 2 + (i % 2);
14478           int yy = y * 2 + (i / 2);
14479           int sx = SX + xx * ed_tilesize / 2;
14480           int sy = SY + yy * ed_tilesize / 2;
14481           int from_sx = sx;
14482           int from_sy = sy;
14483           int to_sx = sx + ed_tilesize / 2 - 1;
14484           int to_sy = sy + ed_tilesize / 2 - 1;
14485
14486           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14487           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14488           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14489           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14490         }
14491       }
14492       else
14493       {
14494         int sx = SX + x * ed_tilesize;
14495         int sy = SY + y * ed_tilesize;
14496         int from_sx = sx;
14497         int from_sy = sy;
14498         int to_sx = sx + ed_tilesize - 1;
14499         int to_sy = sy + ed_tilesize - 1;
14500
14501         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14502         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14503         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14504         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14505       }
14506     }
14507   }
14508 }
14509
14510 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
14511 {
14512   char *template_filename_old = getLocalLevelTemplateFilename();
14513   char *template_filename_new =
14514     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
14515
14516   if (copyFile(template_filename_old, template_filename_new) != 0)
14517     Request("Cannot copy level template!", REQ_CONFIRM);
14518
14519   free(template_filename_new);
14520 }
14521
14522 static void HandleDrawingAreas(struct GadgetInfo *gi)
14523 {
14524   static boolean started_inside_drawing_area = FALSE;
14525   static int last_sx = -1;
14526   static int last_sy = -1;
14527   static int last_sx2 = -1;
14528   static int last_sy2 = -1;
14529   int id = gi->custom_id;
14530   int type_id = gi->custom_type_id;
14531   boolean button_press_event;
14532   boolean button_release_event;
14533   boolean inside_drawing_area = !gi->event.off_borders;
14534   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
14535   int actual_drawing_function;
14536   int button = gi->event.button;
14537   int new_element = BUTTON_ELEMENT(button);
14538   int sx = gi->event.x, sy = gi->event.y;
14539   int min_sx = 0, min_sy = 0;
14540   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
14541   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
14542   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
14543   int sx2 = gi->event.mx / mini_item_xsize;
14544   int sy2 = gi->event.my / mini_item_ysize;
14545   int dx = sx2 % 2;
14546   int dy = sy2 % 2;
14547   int lx = 0, ly = 0;
14548   int x, y;
14549
14550   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
14551   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
14552
14553   // make sure to stay inside drawing area boundaries
14554   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14555   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14556
14557   if (draw_level)
14558   {
14559     int min_lx = 0, min_ly = 0;
14560     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14561
14562     // get positions inside level field
14563     lx = sx + level_xpos;
14564     ly = sy + level_ypos;
14565
14566     if (!IN_LEV_FIELD(lx, ly))
14567       inside_drawing_area = FALSE;
14568
14569     // make sure to stay inside level field boundaries
14570     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14571     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14572
14573     // correct drawing area positions accordingly
14574     sx = lx - level_xpos;
14575     sy = ly - level_ypos;
14576   }
14577
14578   // also correct MM wall-sized (double) drawing area positions accordingly
14579   if (sx2 / 2 < sx || sx2 / 2 > sx)
14580   {
14581     dx = (sx2 / 2 < sx ? 0 : 1);
14582     sx2 = sx * 2 + dx;
14583   }
14584   if (sy2 / 2 < sy || sy2 / 2 > sy)
14585   {
14586     dy = (sy2 / 2 < sy ? 0 : 1);
14587     sy2 = sy * 2 + dy;
14588   }
14589
14590   if (!button_press_event && !button_release_event)
14591   {
14592     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
14593     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14594                              isHiresTileElement(old_element) &&
14595                              isHiresDrawElement(new_element));
14596
14597     // prevent handling events for every pixel position when moving mouse
14598     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
14599         (sx2 == last_sx2 && sy2 == last_sy2))
14600       return;
14601   }
14602
14603   last_sx = sx;
14604   last_sy = sy;
14605   last_sx2 = sx2;
14606   last_sy2 = sy2;
14607
14608   if (button_press_event)
14609     started_inside_drawing_area = inside_drawing_area;
14610
14611   if (!started_inside_drawing_area)
14612     return;
14613
14614   if (!IS_VALID_BUTTON(button))
14615     return;
14616
14617   // handle info callback for each invocation of action callback
14618   gi->callback_info(gi);
14619
14620   // automatically switch to 'single item' drawing mode, if needed
14621   actual_drawing_function =
14622     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
14623      drawing_function : GADGET_ID_SINGLE_ITEMS);
14624
14625   // clicking into drawing area with pressed Control key picks element
14626   if (GetKeyModState() & KMOD_Control)
14627   {
14628     last_drawing_function = drawing_function;
14629     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14630   }
14631
14632   if (GetKeyModState() & KMOD_Shift)
14633   {
14634     if (button_press_event || button_release_event)
14635       ResetIntelliDraw();
14636   }
14637
14638   SetDrawModeHiRes(-1);         // reset to normal draw mode
14639
14640   switch (actual_drawing_function)
14641   {
14642     case GADGET_ID_SINGLE_ITEMS:
14643       if (draw_level)
14644       {
14645         if (button_release_event)
14646         {
14647           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14648
14649           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
14650               !inside_drawing_area)
14651             DeleteBrushFromCursor();
14652
14653           break;
14654         }
14655
14656         if (draw_with_brush)
14657         {
14658           CopyBrushToLevel(sx, sy, button);
14659         }
14660         else
14661         {
14662           SetDrawModeHiRes(new_element);
14663
14664           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
14665           {
14666             // remove player at old position
14667             for (y = 0; y < lev_fieldy; y++)
14668             {
14669               for (x = 0; x < lev_fieldx; x++)
14670               {
14671                 int old_element = Tile[x][y];
14672
14673                 if (IS_PLAYER_ELEMENT(old_element) &&
14674                     IS_PLAYER_ELEMENT(new_element))
14675                 {
14676                   int replaced_with_element =
14677                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
14678                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
14679
14680                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
14681                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
14682
14683                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
14684                      old_element == EL_PLAYER_1 ? EL_EMPTY :
14685
14686                      new_element >= EL_PLAYER_1 &&
14687                      new_element <= EL_PLAYER_4 &&
14688                      new_element == old_element ? EL_EMPTY :
14689
14690                      old_element);
14691
14692                   SetElement(x, y, replaced_with_element);
14693                 }
14694                 else if (IS_MM_MCDUFFIN(old_element) &&
14695                          IS_MM_MCDUFFIN(new_element))
14696                 {
14697                   // remove McDuffin at old position
14698                   SetElement(x, y, EL_EMPTY);
14699                 }
14700               }
14701             }
14702           }
14703
14704           SetElementButton(lx, ly, dx, dy, new_element, button);
14705         }
14706       }
14707       else if (!button_release_event)
14708       {
14709         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14710
14711         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
14712           DrawMiniGraphicExt(drawto,
14713                              gi->x + sx * MINI_TILEX,
14714                              gi->y + sy * MINI_TILEY,
14715                              el2edimg(new_element));
14716         else
14717           DrawFixedGraphicExt(drawto,
14718                               gi->x + sx * TILEX,
14719                               gi->y + sy * TILEY,
14720                               el2edimg(new_element), 0);
14721
14722         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14723           new_element = GFX_ELEMENT(new_element);
14724
14725         drawingarea_info[type_id].value[pos] = new_element;
14726
14727         CopyElementPropertiesToGame(properties_element);
14728
14729         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14730         {
14731           UpdateCustomElementGraphicGadgets();
14732
14733           FrameCounter = 0;     // restart animation frame counter
14734         }
14735       }
14736       break;
14737
14738     case GADGET_ID_CONNECTED_ITEMS:
14739       {
14740         static int last_sx = -1;
14741         static int last_sy = -1;
14742
14743         if (button_release_event)
14744           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14745
14746         SetDrawModeHiRes(new_element);
14747
14748         if (getDrawModeHiRes())
14749         {
14750           sx = sx2;
14751           sy = sy2;
14752         }
14753
14754         if (!button_press_event)
14755           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
14756
14757         last_sx = sx;
14758         last_sy = sy;
14759       }
14760       break;
14761
14762     case GADGET_ID_LINE:
14763     case GADGET_ID_ARC:
14764     case GADGET_ID_RECTANGLE:
14765     case GADGET_ID_FILLED_BOX:
14766       SetDrawModeHiRes(new_element);
14767
14768       if (getDrawModeHiRes())
14769       {
14770         sx = sx2;
14771         sy = sy2;
14772       }
14773       // FALLTHROUGH
14774     case GADGET_ID_GRAB_BRUSH:
14775     case GADGET_ID_TEXT:
14776       {
14777         static int last_sx = -1;
14778         static int last_sy = -1;
14779         static int start_sx = -1;
14780         static int start_sy = -1;
14781         void (*draw_func)(int, int, int, int, int, boolean);
14782
14783         if (drawing_function == GADGET_ID_LINE)
14784           draw_func = DrawLine;
14785         else if (drawing_function == GADGET_ID_ARC)
14786           draw_func = DrawArc;
14787         else if (drawing_function == GADGET_ID_RECTANGLE)
14788           draw_func = DrawBox;
14789         else if (drawing_function == GADGET_ID_FILLED_BOX)
14790           draw_func = DrawFilledBox;
14791         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
14792           draw_func = SelectArea;
14793         else // (drawing_function == GADGET_ID_TEXT)
14794           draw_func = SetTextCursor;
14795
14796         if (button_press_event)
14797         {
14798           draw_func(sx, sy, sx, sy, new_element, FALSE);
14799           start_sx = last_sx = sx;
14800           start_sy = last_sy = sy;
14801
14802           if (drawing_function == GADGET_ID_TEXT)
14803             DrawLevelText(0, 0, 0, TEXT_END);
14804         }
14805         else if (button_release_event)
14806         {
14807           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
14808           if (drawing_function == GADGET_ID_GRAB_BRUSH)
14809           {
14810             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
14811             CopyBrushToCursor(sx, sy);
14812             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
14813                           MB_LEFTBUTTON);
14814             draw_with_brush = TRUE;
14815           }
14816           else if (drawing_function == GADGET_ID_TEXT)
14817             DrawLevelText(sx, sy, 0, TEXT_INIT);
14818           else
14819             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14820         }
14821         else if (last_sx != sx || last_sy != sy)
14822         {
14823           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
14824           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
14825             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
14826           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
14827           last_sx = sx;
14828           last_sy = sy;
14829         }
14830       }
14831       break;
14832
14833     case GADGET_ID_FLOOD_FILL:
14834       if (button_press_event && Tile[lx][ly] != new_element)
14835       {
14836         if (IS_MM_WALL_EDITOR(new_element))
14837           FloodFillWall_MM(sx2, sy2, new_element);
14838         else
14839           FloodFill(lx, ly, new_element);
14840
14841         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14842         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14843       }
14844       break;
14845
14846     case GADGET_ID_PICK_ELEMENT:
14847       if (button_release_event)
14848         ClickOnGadget(level_editor_gadget[last_drawing_function],
14849                       MB_LEFTBUTTON);
14850       else if (draw_level)
14851         PickDrawingElement(button, Tile[lx][ly]);
14852       else
14853       {
14854         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14855
14856         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
14857       }
14858
14859     default:
14860       break;
14861   }
14862
14863   // do not mark level as modified for certain non-level-changing gadgets
14864   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
14865        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
14866       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
14867       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14868     return;
14869
14870   level.changed = TRUE;
14871 }
14872
14873 static void HandleCounterButtons(struct GadgetInfo *gi)
14874 {
14875   int gadget_id = gi->custom_id;
14876   int counter_id = gi->custom_type_id;
14877   int button = gi->event.button;
14878   int *counter_value = counterbutton_info[counter_id].value;
14879   int step = BUTTON_STEPSIZE(button) *
14880     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
14881
14882   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14883   {
14884     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
14885     boolean released = (gi->event.type == GD_EVENT_RELEASED);
14886     boolean level_changed = LevelChanged();
14887
14888     if ((level_changed && pressed) || (!level_changed && released))
14889       return;
14890
14891     if (level_changed && !Request("Level has changed! Discard changes?",
14892                                   REQ_ASK))
14893     {
14894       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14895         ModifyEditorCounterValue(counter_id, *counter_value);
14896
14897       return;
14898     }
14899   }
14900
14901   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14902     *counter_value = gi->textinput.number_value;
14903   else
14904     ModifyEditorCounterValue(counter_id, *counter_value + step);
14905
14906   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14907   {
14908     int last_game_engine_type = level.game_engine_type;
14909
14910     LoadLevel(level_nr);
14911     LoadScore(level_nr);
14912
14913     SaveLevelSetup_SeriesInfo();
14914
14915     TapeErase();
14916
14917     ResetUndoBuffer();
14918     DrawEditModeWindow();
14919
14920     if (level.game_engine_type != last_game_engine_type)
14921     {
14922       // update element selection list
14923       ReinitializeElementList();
14924       ModifyEditorElementList();
14925     }
14926
14927     return;
14928   }
14929
14930   switch (counter_id)
14931   {
14932     case ED_COUNTER_ID_YAMYAM_CONTENT:
14933       DrawYamYamContentAreas();
14934       break;
14935
14936     case ED_COUNTER_ID_BALL_CONTENT:
14937       DrawMagicBallContentAreas();
14938       break;
14939
14940     case ED_COUNTER_ID_ANDROID_CONTENT:
14941       DrawAndroidElementArea();
14942       break;
14943
14944     case ED_COUNTER_ID_GROUP_CONTENT:
14945       DrawGroupElementArea();
14946       CopyGroupElementPropertiesToGame(properties_element);
14947       break;
14948
14949     case ED_COUNTER_ID_INVENTORY_SIZE:
14950       DrawPlayerInitialInventoryArea(properties_element);
14951       break;
14952
14953     case ED_COUNTER_ID_MM_BALL_CONTENT:
14954       DrawMMBallContentArea();
14955       break;
14956
14957     case ED_COUNTER_ID_ENVELOPE_XSIZE:
14958     case ED_COUNTER_ID_ENVELOPE_YSIZE:
14959       DrawEnvelopeTextArea(-1);
14960       break;
14961
14962     case ED_COUNTER_ID_LEVEL_XSIZE:
14963     case ED_COUNTER_ID_LEVEL_YSIZE:
14964       lev_fieldx = level.fieldx;
14965       lev_fieldy = level.fieldy;
14966
14967       // check if resizing of level results in change of border border
14968       SetBorderElement();
14969
14970       break;
14971
14972     default:
14973       break;
14974   }
14975
14976   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
14977        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
14978       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
14979        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
14980     CopyElementPropertiesToGame(properties_element);
14981
14982   // do not mark level as modified for certain non-level-changing gadgets
14983   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
14984        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
14985       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
14986        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
14987     return;
14988
14989   level.changed = TRUE;
14990 }
14991
14992 static void HandleTextInputGadgets(struct GadgetInfo *gi)
14993 {
14994   int type_id = gi->custom_type_id;
14995
14996   strcpy(textinput_info[type_id].value, gi->textinput.value);
14997
14998   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
14999   {
15000     CopyElementPropertiesToGame(properties_element);
15001
15002     ModifyEditorElementList();  // update changed button info text
15003   }
15004
15005   // do not mark level as modified for certain non-level-changing gadgets
15006   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
15007       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
15008     return;
15009
15010   level.changed = TRUE;
15011 }
15012
15013 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
15014 {
15015   int type_id = gi->custom_type_id;
15016
15017   strncpy(textarea_info[type_id].value, gi->textarea.value,
15018           MAX_ENVELOPE_TEXT_LEN);
15019   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
15020
15021   level.changed = TRUE;
15022 }
15023
15024 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
15025 {
15026   int type_id = gi->custom_type_id;
15027   int value_old = *selectbox_info[type_id].value;
15028   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
15029
15030   *selectbox_info[type_id].value = value_new;
15031
15032   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
15033   {
15034     DrawLevelConfigWindow();
15035   }
15036   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15037   {
15038     element_info[properties_element].current_change_page = gi->selectbox.index;
15039
15040     DrawPropertiesWindow();
15041   }
15042   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
15043             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
15044            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
15045             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
15046            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
15047   {
15048     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
15049     {
15050       // when changing action type, also check action mode and action arg
15051       if (value_old != value_new)
15052         setSelectboxSpecialActionVariablesIfNeeded();
15053
15054       DrawPropertiesChange();
15055     }
15056
15057     CopyElementPropertiesToGame(properties_element);
15058   }
15059   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
15060   {
15061     // show or hide "engine" tabulator depending on game engine type
15062     DrawLevelConfigWindow();
15063
15064     // update element selection list depending on game engine type
15065     ReinitializeElementList();
15066     ModifyEditorElementList();
15067   }
15068   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
15069   {
15070     // update BD cycle delay counter gadgets depending on BD scheduling type
15071     DrawLevelConfigWindow();
15072   }
15073
15074   // do not mark level as modified for certain non-level-changing gadgets
15075   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
15076       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15077     return;
15078
15079   level.changed = TRUE;
15080 }
15081
15082 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
15083 {
15084   int type_id = gi->custom_type_id;
15085   int i;
15086
15087   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
15088       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
15089   {
15090     edit_mode_levelconfig = gi->custom_type_id;
15091
15092     DrawLevelConfigWindow();
15093   }
15094   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
15095            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
15096   {
15097     edit_mode_properties = gi->custom_type_id;
15098
15099     DrawPropertiesWindow();
15100   }
15101   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
15102            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
15103   {
15104     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
15105
15106     // backup original "level.field" (needed to track playfield changes)
15107     CopyPlayfield(level.field, TileBackup);
15108
15109     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
15110     CopyPlayfield(Tile, level.field);
15111
15112     if (new_template ||
15113         Request("Save this template and kill the old?", REQ_ASK))
15114       SaveLevelTemplate();
15115
15116     if (new_template)
15117       Request("Template saved!", REQ_CONFIRM);
15118
15119     // restore original "level.field" (needed to track playfield changes)
15120     CopyPlayfield(TileBackup, level.field);
15121   }
15122   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
15123   {
15124     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
15125
15126     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
15127         leveldir_current->readonly)
15128     {
15129       Request("This level set is read-only!", REQ_CONFIRM);
15130
15131       return;
15132     }
15133
15134     if (strEqual(levelset_name, ""))
15135     {
15136       Request("Please enter level set title!", REQ_CONFIRM);
15137
15138       return;
15139     }
15140
15141     if (strEqual(levelset_author, ""))
15142     {
15143       Request("Please enter level set author!", REQ_CONFIRM);
15144
15145       return;
15146     }
15147
15148     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
15149     {
15150       if (UpdateUserLevelSet(levelset_subdir,
15151                              levelset_name,
15152                              levelset_author,
15153                              levelset_num_levels))
15154       {
15155         Request("Level set updated!", REQ_CONFIRM);
15156       }
15157       else
15158       {
15159         Request("Updating level set failed!", REQ_CONFIRM);
15160       }
15161     }
15162     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
15163     {
15164       if (level.changed && !Request("Level has changed! Discard changes?",
15165                                      REQ_ASK))
15166         return;
15167
15168       if (CreateUserLevelSet(levelset_subdir,
15169                              levelset_name,
15170                              levelset_author,
15171                              levelset_num_levels,
15172                              levelset_use_levelset_artwork))
15173       {
15174         if (levelset_copy_level_template)
15175           CopyLevelTemplateToUserLevelSet(levelset_subdir);
15176
15177         Request("New level set created!", REQ_CONFIRM);
15178
15179         AddUserLevelSetToLevelInfo(levelset_subdir);
15180         ChangeEditorToLevelSet(levelset_subdir);
15181       }
15182       else
15183       {
15184         Request("Creating new level set failed!", REQ_CONFIRM);
15185       }
15186     }
15187   }
15188   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
15189            custom_element.num_change_pages < MAX_CHANGE_PAGES)
15190   {
15191     struct ElementInfo *ei = &element_info[properties_element];
15192
15193     // when modifying custom element, ask for copying level template
15194     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15195       return;
15196
15197     setElementChangePages(ei, ei->num_change_pages + 1);
15198
15199     // set new change page to be new current change page
15200     ei->current_change_page = ei->num_change_pages - 1;
15201     ei->change = &ei->change_page[ei->current_change_page];
15202
15203     setElementChangeInfoToDefaults(ei->change);
15204
15205     DrawPropertiesWindow();
15206
15207     level.changed = TRUE;
15208   }
15209   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
15210            custom_element.num_change_pages > MIN_CHANGE_PAGES)
15211   {
15212     struct ElementInfo *ei = &element_info[properties_element];
15213
15214     // when modifying custom element, ask for copying level template
15215     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15216       return;
15217
15218     // copy all change pages after change page to be deleted
15219     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
15220       ei->change_page[i] = ei->change_page[i + 1];
15221
15222     setElementChangePages(ei, ei->num_change_pages - 1);
15223
15224     DrawPropertiesWindow();
15225
15226     level.changed = TRUE;
15227   }
15228 }
15229
15230 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
15231 {
15232   int type_id = gi->custom_type_id;
15233
15234   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
15235       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
15236   {
15237     struct ElementInfo *ei = &element_info[properties_element];
15238     int step = BUTTON_STEPSIZE(gi->event.button);
15239
15240     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
15241     ei->current_change_page += step;
15242
15243     if (ei->current_change_page < 0)
15244       ei->current_change_page = 0;
15245     else if (ei->current_change_page >= ei->num_change_pages)
15246       ei->current_change_page = ei->num_change_pages - 1;
15247
15248     DrawPropertiesWindow();
15249   }
15250   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
15251            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15252   {
15253     struct ElementInfo *ei = &element_info[properties_element];
15254     int current_change_page = ei->current_change_page;
15255
15256     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
15257     {
15258       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
15259         ei->change_page[current_change_page];
15260     }
15261     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15262     {
15263       // when modifying custom element, ask for copying level template
15264       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15265         return;
15266
15267       ei->change_page[current_change_page] =
15268         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
15269
15270       level.changed = TRUE;
15271     }
15272
15273     DrawPropertiesWindow();
15274   }
15275 }
15276
15277 static void HandleRadiobuttons(struct GadgetInfo *gi)
15278 {
15279   int type_id = gi->custom_type_id;
15280
15281   *radiobutton_info[type_id].value =
15282     radiobutton_info[type_id].checked_value;
15283
15284   // do not mark level as modified for certain non-level-changing gadgets
15285   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
15286       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
15287     return;
15288
15289   level.changed = TRUE;
15290 }
15291
15292 static void HandleCheckbuttons(struct GadgetInfo *gi)
15293 {
15294   int type_id = gi->custom_type_id;
15295
15296   *checkbutton_info[type_id].value ^= TRUE;
15297
15298   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
15299       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
15300       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
15301       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
15302          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
15303         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
15304          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
15305        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
15306   {
15307     CopyElementPropertiesToGame(properties_element);
15308   }
15309
15310   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
15311   {
15312     UpdateCustomElementGraphicGadgets();
15313   }
15314   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
15315            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
15316   {
15317     boolean template_related_changes_found = FALSE;
15318     int i;
15319
15320     // check if any custom, group or empty elements have been changed
15321     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
15322       if ((IS_CUSTOM_ELEMENT(i) ||
15323            IS_GROUP_ELEMENT(i) ||
15324            IS_EMPTY_ELEMENT(i)) &&
15325           element_info[i].modified_settings)
15326         template_related_changes_found = TRUE;
15327
15328     if (level.use_custom_template &&
15329         !fileExists(getGlobalLevelTemplateFilename()))
15330     {
15331       Request("No level template found!", REQ_CONFIRM);
15332
15333       level.use_custom_template = FALSE;
15334
15335       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15336
15337       return;
15338     }
15339
15340     if (level.use_custom_template &&
15341         template_related_changes_found &&
15342         !Request("Discard changes and use level template?", REQ_ASK))
15343     {
15344       level.use_custom_template = FALSE;
15345
15346       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15347
15348       return;
15349     }
15350
15351     if (!level.use_custom_template &&
15352         Request("Copy settings from level template?", REQ_ASK))
15353     {
15354       return;
15355     }
15356
15357     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
15358
15359     DrawEditModeWindow();
15360   }
15361   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
15362   {
15363     if (setup.editor.use_template_for_new_levels &&
15364         !fileExists(getGlobalLevelTemplateFilename()))
15365     {
15366       Request("No level template found!", REQ_CONFIRM);
15367
15368       return;
15369     }
15370
15371     if (setup.editor.use_template_for_new_levels &&
15372         level.changed &&
15373         !Request("Discard level and load template?", REQ_ASK))
15374     {
15375       return;
15376     }
15377
15378     if (!setup.editor.use_template_for_new_levels &&
15379         level.changed &&
15380         !Request("Discard level and use empty level?", REQ_ASK))
15381     {
15382       return;
15383     }
15384
15385     LoadLevel(level_nr);
15386     LoadScore(level_nr);
15387
15388     TapeErase();
15389
15390     ResetUndoBuffer();
15391     DrawEditModeWindow();
15392   }
15393   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
15394   {
15395     SetAutomaticNumberOfGemsNeeded();
15396   }
15397
15398   // do not mark level as modified for certain non-level-changing gadgets
15399   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
15400        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
15401       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
15402        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
15403        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
15404       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
15405     return;
15406
15407   level.changed = TRUE;
15408 }
15409
15410 static void HandleControlButtons(struct GadgetInfo *gi)
15411 {
15412   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
15413   static int last_edit_mode = ED_MODE_DRAWING;
15414   static int last_custom_copy_mode = -1;
15415   static int last_button = 0;
15416   int id = gi->custom_id;
15417   int button = gi->event.button;
15418   int step = BUTTON_STEPSIZE(button);
15419   int new_element = BUTTON_ELEMENT(button);
15420   int last_properties_element = properties_element;
15421   int x, y;
15422
15423   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
15424     DrawLevelText(0, 0, 0, TEXT_END);
15425
15426   if (id < ED_NUM_CTRL1_BUTTONS &&
15427       id != GADGET_ID_SINGLE_ITEMS &&
15428       id != GADGET_ID_PICK_ELEMENT &&
15429       edit_mode != ED_MODE_DRAWING &&
15430       drawing_function != GADGET_ID_PICK_ELEMENT &&
15431       !(GetKeyModState() & KMOD_Control))
15432     ChangeEditModeWindow(ED_MODE_DRAWING);
15433
15434   // element copy mode active, but no element button pressed => deactivate
15435   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
15436     last_custom_copy_mode = -1;
15437
15438   // when showing palette on element buttons, change element of button used
15439   if (editor.palette.show_on_element_buttons &&
15440       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
15441   {
15442     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
15443
15444     id = GADGET_ID_PALETTE;
15445   }
15446
15447   switch (id)
15448   {
15449     case GADGET_ID_SCROLL_LEFT:
15450       if (level_xpos >= 0)
15451       {
15452         if (lev_fieldx < ed_fieldx - 2)
15453           break;
15454
15455         level_xpos -= step;
15456         if (level_xpos < -1)
15457           level_xpos = -1;
15458         if (button == 1)
15459           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
15460         else
15461           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15462
15463         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15464                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15465       }
15466       break;
15467
15468     case GADGET_ID_SCROLL_RIGHT:
15469       if (level_xpos <= lev_fieldx - ed_fieldx)
15470       {
15471         if (lev_fieldx < ed_fieldx - 2)
15472           break;
15473
15474         level_xpos += step;
15475         if (level_xpos > lev_fieldx - ed_fieldx + 1)
15476           level_xpos = lev_fieldx - ed_fieldx + 1;
15477         if (button == 1)
15478           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
15479         else
15480           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15481
15482         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15483                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15484       }
15485       break;
15486
15487     case GADGET_ID_SCROLL_UP:
15488       if (level_ypos >= 0)
15489       {
15490         if (lev_fieldy < ed_fieldy - 2)
15491           break;
15492
15493         level_ypos -= step;
15494         if (level_ypos < -1)
15495           level_ypos = -1;
15496         if (button == 1)
15497           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
15498         else
15499           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15500
15501         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15502                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15503       }
15504       break;
15505
15506     case GADGET_ID_SCROLL_DOWN:
15507       if (level_ypos <= lev_fieldy - ed_fieldy)
15508       {
15509         if (lev_fieldy < ed_fieldy - 2)
15510           break;
15511
15512         level_ypos += step;
15513         if (level_ypos > lev_fieldy - ed_fieldy + 1)
15514           level_ypos = lev_fieldy - ed_fieldy + 1;
15515         if (button == 1)
15516           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
15517         else
15518           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15519
15520         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15521                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15522       }
15523       break;
15524
15525     case GADGET_ID_SCROLL_HORIZONTAL:
15526       level_xpos = gi->event.item_position - 1;
15527
15528       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15529       BackToFront();
15530
15531       break;
15532
15533     case GADGET_ID_SCROLL_VERTICAL:
15534       level_ypos = gi->event.item_position - 1;
15535
15536       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15537       BackToFront();
15538
15539       break;
15540
15541     case GADGET_ID_SCROLL_LIST_UP:
15542     case GADGET_ID_SCROLL_LIST_DOWN:
15543     case GADGET_ID_SCROLL_LIST_VERTICAL:
15544       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
15545         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
15546       else
15547       {
15548         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
15549         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15550
15551         if (element_shift < 0)
15552           element_shift = 0;
15553         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15554           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15555
15556         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15557                      GDI_SCROLLBAR_ITEM_POSITION,
15558                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15559       }
15560
15561       ModifyEditorElementList();
15562
15563       break;
15564
15565     case GADGET_ID_PROPERTIES:
15566       // always switch off element properties when they are already displayed
15567       last_properties_element = new_element;
15568     case GADGET_ID_ELEMENT_LEFT:
15569     case GADGET_ID_ELEMENT_MIDDLE:
15570     case GADGET_ID_ELEMENT_RIGHT:
15571       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
15572                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
15573                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
15574                             new_element);
15575
15576       if (edit_mode != ED_MODE_PROPERTIES)
15577       {
15578         last_edit_mode = edit_mode;
15579
15580         ChangeEditModeWindow(ED_MODE_PROPERTIES);
15581
15582         last_level_drawing_function = drawing_function;
15583         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15584                       MB_LEFTBUTTON);
15585       }
15586       else if (properties_element != last_properties_element)
15587       {
15588         DrawEditModeWindow();
15589       }
15590       else
15591       {
15592         ChangeEditModeWindow(ED_MODE_DRAWING);
15593
15594         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
15595                       MB_LEFTBUTTON);
15596       }
15597       break;
15598
15599     case GADGET_ID_PALETTE:
15600       if (edit_mode != ED_MODE_PALETTE)
15601       {
15602         last_edit_mode = edit_mode;
15603
15604         ChangeEditModeWindow(ED_MODE_PALETTE);
15605       }
15606       else
15607       {
15608         ChangeEditModeWindow(last_edit_mode);
15609       }
15610       break;
15611
15612     case GADGET_ID_WRAP_LEFT:
15613       WrapLevel(-step, 0);
15614       break;
15615
15616     case GADGET_ID_WRAP_RIGHT:
15617       WrapLevel(step, 0);
15618       break;
15619
15620     case GADGET_ID_WRAP_UP:
15621       WrapLevel(0, -step);
15622       break;
15623
15624     case GADGET_ID_WRAP_DOWN:
15625       WrapLevel(0, step);
15626       break;
15627
15628     case GADGET_ID_SINGLE_ITEMS:
15629     case GADGET_ID_CONNECTED_ITEMS:
15630     case GADGET_ID_LINE:
15631     case GADGET_ID_ARC:
15632     case GADGET_ID_TEXT:
15633     case GADGET_ID_RECTANGLE:
15634     case GADGET_ID_FILLED_BOX:
15635     case GADGET_ID_FLOOD_FILL:
15636     case GADGET_ID_GRAB_BRUSH:
15637     case GADGET_ID_PICK_ELEMENT:
15638       if (drawing_function != GADGET_ID_PICK_ELEMENT)
15639         last_drawing_function = drawing_function;
15640       drawing_function = id;
15641       draw_with_brush = FALSE;
15642       break;
15643
15644     case GADGET_ID_RANDOM_PLACEMENT:
15645       RandomPlacement(new_element);
15646       break;
15647
15648     case GADGET_ID_ZOOM:
15649       // zoom level editor tile size in or out (or reset to default size)
15650       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
15651                      button == 2 ? ed_tilesize_default :
15652                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
15653
15654       // when using touch device, cycle through all zoom tilesizes
15655       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
15656         ed_tilesize = MICRO_TILESIZE;
15657
15658       // limit zoom level by upper and lower bound
15659       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
15660
15661       InitZoomLevelSettings(ed_tilesize);
15662
15663       if (edit_mode == ED_MODE_DRAWING)
15664       {
15665         DrawDrawingWindow();
15666
15667         // redraw zoom gadget info text
15668         PrintEditorGadgetInfoText(level_editor_gadget[id]);
15669       }
15670
15671       // save current editor zoom tilesize
15672       SaveSetup_AutoSetup();
15673
15674       break;
15675
15676     case GADGET_ID_CUSTOM_COPY_FROM:
15677     case GADGET_ID_CUSTOM_COPY_TO:
15678     case GADGET_ID_CUSTOM_EXCHANGE:
15679       last_custom_copy_mode = id;
15680       last_drawing_function = drawing_function;
15681       break;
15682
15683     case GADGET_ID_CUSTOM_COPY:
15684       CopyCustomElement(properties_element, -1, id);
15685       break;
15686
15687     case GADGET_ID_CUSTOM_PASTE:
15688       CopyCustomElement(-1, properties_element, id);
15689       break;
15690
15691     case GADGET_ID_UNDO:
15692       if (button < 0)   // keep button value (even if modifier keys are pressed)
15693         button = -button;
15694       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
15695         button = 3;
15696
15697       if (button == 1 && undo_buffer_steps == 0)
15698       {
15699         Request("Undo buffer empty!", REQ_CONFIRM);
15700
15701         break;
15702       }
15703       else if (button == 2)
15704       {
15705         break;
15706       }
15707       else if (button == 3 && redo_buffer_steps == 0)
15708       {
15709         Request("Redo buffer empty!", REQ_CONFIRM);
15710
15711         break;
15712       }
15713
15714       if (edit_mode != ED_MODE_DRAWING)
15715         ChangeEditModeWindow(ED_MODE_DRAWING);
15716
15717       if (button == 1)
15718       {
15719         // undo
15720
15721         undo_buffer_position =
15722           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
15723
15724         undo_buffer_steps--;
15725         redo_buffer_steps++;
15726       }
15727       else
15728       {
15729         // redo
15730
15731         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15732
15733         undo_buffer_steps++;
15734         redo_buffer_steps--;
15735       }
15736
15737       for (x = 0; x < lev_fieldx; x++)
15738         for (y = 0; y < lev_fieldy; y++)
15739           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
15740
15741       // check if undo operation forces change of border style
15742       CheckLevelBorderElement(FALSE);
15743
15744       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15745
15746       break;
15747
15748     case GADGET_ID_CONF:
15749       if (edit_mode != ED_MODE_LEVELCONFIG)
15750       {
15751         last_edit_mode = edit_mode;
15752
15753         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
15754       }
15755       else
15756       {
15757         ChangeEditModeWindow(ED_MODE_DRAWING);
15758       }
15759       break;
15760
15761     case GADGET_ID_CLEAR:
15762       if (edit_mode != ED_MODE_DRAWING)
15763         ChangeEditModeWindow(ED_MODE_DRAWING);
15764
15765       for (x = 0; x < MAX_LEV_FIELDX; x++)
15766         for (y = 0; y < MAX_LEV_FIELDY; y++)
15767           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
15768
15769       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
15770
15771       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15772       break;
15773
15774     case GADGET_ID_SAVE:
15775     {
15776       // saving read-only levels into personal level set modifies global vars
15777       // "leveldir_current" and "level_nr"; restore them after saving level
15778       LevelDirTree *leveldir_former = leveldir_current;
15779       int level_nr_former = level_nr;
15780       char *level_filename;
15781       boolean new_level;
15782
15783       if (leveldir_current->readonly &&
15784           !PrepareSavingIntoPersonalLevelSet())
15785         break;
15786
15787       level_filename = getDefaultLevelFilename(level_nr);
15788       new_level = !fileExists(level_filename);
15789
15790       if (new_level ||
15791           Request("Save this level and kill the old?", REQ_ASK))
15792       {
15793         if (leveldir_former->readonly)
15794           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
15795
15796         SetAutomaticNumberOfGemsNeeded();
15797
15798         CopyPlayfield(Tile, level.field);
15799         SaveLevel(level_nr);
15800
15801         level.changed = FALSE;
15802
15803         if (new_level)
15804         {
15805           char level_saved_msg[64];
15806
15807           if (leveldir_former->readonly)
15808             sprintf(level_saved_msg,
15809                     "Level saved as level %d into personal level set!",
15810                     level_nr);
15811           else
15812             strcpy(level_saved_msg, "Level saved!");
15813
15814           Request(level_saved_msg, REQ_CONFIRM);
15815         }
15816       }
15817
15818       // "cd" back to copied-from levelset (in case of saved read-only level)
15819       leveldir_current = leveldir_former;
15820       level_nr = level_nr_former;
15821
15822       break;
15823     }
15824
15825     case GADGET_ID_TEST:
15826       if (LevelChanged())
15827         level.game_version = GAME_VERSION_ACTUAL;
15828
15829       CopyPlayfield(level.field, TileBackup);
15830       CopyPlayfield(Tile, level.field);
15831
15832       CopyNativeLevel_RND_to_Native(&level);
15833
15834       UnmapLevelEditorGadgets();
15835       UndrawSpecialEditorDoor();
15836
15837       CloseDoor(DOOR_CLOSE_ALL);
15838
15839       // needed before playing if editor playfield area has different size
15840       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
15841
15842       // redraw_mask = REDRAW_ALL;
15843
15844       level_editor_test_game = TRUE;
15845
15846       StartGameActions(FALSE, setup.autorecord, level.random_seed);
15847
15848       break;
15849
15850     case GADGET_ID_EXIT:
15851       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
15852       break;
15853
15854     default:
15855       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
15856           id <= GADGET_ID_ELEMENTLIST_LAST)
15857       {
15858         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
15859
15860         new_element = editor_elements[element_position + element_shift];
15861
15862         if (IS_EDITOR_CASCADE(new_element))
15863         {
15864           int i;
15865
15866           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
15867           {
15868             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
15869             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
15870
15871             if (*cascade_element == new_element)
15872             {
15873               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
15874               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
15875
15876               // update element selection list
15877               ReinitializeElementList();
15878               ModifyEditorElementList();
15879
15880               // update cascading gadget info text
15881               PrintEditorGadgetInfoText(level_editor_gadget[id]);
15882
15883               // save current editor cascading state
15884               SaveSetup_EditorCascade();
15885
15886               break;
15887             }
15888           }
15889
15890           break;
15891         }
15892
15893         if (last_custom_copy_mode != -1)
15894         {
15895           if (CopyCustomElement(properties_element, new_element,
15896                                 last_custom_copy_mode))
15897           {
15898             ClickOnGadget(level_editor_gadget[last_drawing_function],
15899                           MB_LEFTBUTTON);
15900
15901             last_custom_copy_mode = -1;
15902           }
15903
15904           break;
15905         }
15906
15907         // change element of button used to show palette
15908         if (editor.palette.show_on_element_buttons)
15909           button = last_button;
15910
15911         PickDrawingElement(button, new_element);
15912
15913         if (!stick_element_properties_window &&
15914             drawing_function != GADGET_ID_PICK_ELEMENT &&
15915             !(GetKeyModState() & KMOD_Control))
15916         {
15917           properties_element = new_element;
15918           if (edit_mode == ED_MODE_PROPERTIES)
15919             DrawPropertiesWindow();
15920         }
15921
15922         if (drawing_function == GADGET_ID_PICK_ELEMENT)
15923           ClickOnGadget(level_editor_gadget[last_drawing_function],
15924                         MB_LEFTBUTTON);
15925
15926         if (!use_permanent_palette)
15927           ChangeEditModeWindow(last_edit_mode);
15928       }
15929 #ifdef DEBUG
15930       else if (gi->event.type == GD_EVENT_PRESSED)
15931         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
15932       else if (gi->event.type == GD_EVENT_RELEASED)
15933         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
15934       else if (gi->event.type == GD_EVENT_MOVING)
15935         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
15936       else
15937         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
15938 #endif
15939       break;
15940   }
15941 }
15942
15943 void HandleLevelEditorKeyInput(Key key)
15944 {
15945   char letter = getCharFromKey(key);
15946
15947   if (drawing_function == GADGET_ID_TEXT &&
15948       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
15949   {
15950     if (letter)
15951       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
15952     else if (key == KSYM_Delete || key == KSYM_BackSpace)
15953       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
15954     else if (key == KSYM_Return)
15955       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
15956     else if (key == KSYM_Escape)
15957       DrawLevelText(0, 0, 0, TEXT_END);
15958
15959     return;
15960   }
15961
15962   int id = GADGET_ID_NONE;
15963   int new_element_shift = element_shift;
15964   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
15965   int button = MB_LEFTBUTTON;
15966   int i;
15967
15968   switch (key)
15969   {
15970     case KSYM_Left:
15971       id = GADGET_ID_SCROLL_LEFT;
15972       break;
15973     case KSYM_Right:
15974       id = GADGET_ID_SCROLL_RIGHT;
15975       break;
15976     case KSYM_Up:
15977       id = GADGET_ID_SCROLL_UP;
15978       break;
15979     case KSYM_Down:
15980       id = GADGET_ID_SCROLL_DOWN;
15981       break;
15982
15983     case KSYM_Page_Up:
15984     case KSYM_Page_Down:
15985       step *= (key == KSYM_Page_Up ? -1 : +1);
15986       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15987
15988       if (element_shift < 0)
15989         element_shift = 0;
15990       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15991         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15992
15993       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15994                    GDI_SCROLLBAR_ITEM_POSITION,
15995                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15996
15997       ModifyEditorElementList();
15998
15999       break;
16000
16001     case KSYM_Home:
16002     case KSYM_End:
16003       element_shift = (key == KSYM_Home ? 0 :
16004                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
16005
16006       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16007                    GDI_SCROLLBAR_ITEM_POSITION,
16008                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16009
16010       ModifyEditorElementList();
16011
16012       break;
16013
16014     case KSYM_Insert:
16015     case KSYM_Delete:
16016
16017       // this is needed to prevent interference with running "True X-Mouse"
16018       if (GetKeyModStateFromEvents() & KMOD_Control)
16019         break;
16020
16021       // check for last or next editor cascade block in element list
16022       for (i = 0; i < num_editor_elements; i++)
16023       {
16024         if ((key == KSYM_Insert && i == element_shift) ||
16025             (key == KSYM_Delete && new_element_shift > element_shift))
16026           break;
16027
16028         // jump to next cascade block (or to start of element list)
16029         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
16030           new_element_shift = i;
16031       }
16032
16033       if (i < num_editor_elements)
16034         element_shift = new_element_shift;
16035
16036       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16037         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16038
16039       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16040                    GDI_SCROLLBAR_ITEM_POSITION,
16041                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16042
16043       ModifyEditorElementList();
16044
16045       break;
16046
16047     case KSYM_Escape:
16048       if (edit_mode == ED_MODE_DRAWING)
16049         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
16050       else if (edit_mode == ED_MODE_LEVELCONFIG)
16051         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
16052       else if (edit_mode == ED_MODE_PROPERTIES)
16053         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
16054       else if (edit_mode == ED_MODE_PALETTE)
16055         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
16056       else              // should never happen
16057         ChangeEditModeWindow(ED_MODE_DRAWING);
16058
16059       break;
16060
16061     default:
16062       break;
16063   }
16064
16065   if (id != GADGET_ID_NONE)
16066     ClickOnGadget(level_editor_gadget[id], button);
16067   else if (letter == '1' || letter == '?')
16068     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
16069   else if (letter == '2')
16070     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
16071   else if (letter == '3')
16072     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
16073   else if (letter == '.')
16074     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
16075   else if (letter == 'U')
16076     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
16077   else if (letter == '-' || key == KSYM_KP_Subtract)
16078     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
16079   else if (letter == '0' || key == KSYM_KP_0)
16080     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
16081   else if (letter == '+' || key == KSYM_KP_Add ||
16082            letter == '=')       // ("Shift-=" is "+" on US keyboards)
16083     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
16084   else if (key == KSYM_Return ||
16085            key == KSYM_space ||
16086            key == setup.shortcut.toggle_pause)
16087     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
16088   else
16089     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
16090       if (letter && letter == controlbutton_info[i].shortcut)
16091         if (!anyTextGadgetActive())
16092           ClickOnGadget(level_editor_gadget[i], button);
16093
16094   if (draw_with_brush)
16095   {
16096     if (letter == 'x')
16097       FlipBrushX();
16098     else if (letter == 'y')
16099       FlipBrushY();
16100     else if (letter == 'z')
16101       RotateBrush();
16102   }
16103 }
16104
16105 static void HandleLevelEditorIdle_Properties(void)
16106 {
16107   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
16108   int x = editor.settings.element_graphic.x + element_border;
16109   int y = editor.settings.element_graphic.y + element_border;
16110   static DelayCounter action_delay = { 0 };
16111   int i;
16112
16113   action_delay.value = GameFrameDelay;
16114
16115   if (!DelayReached(&action_delay))
16116     return;
16117
16118   for (i = 0; i < ED_NUM_SELECTBOX; i++)
16119   {
16120     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
16121
16122     if (gi->mapped && gi->active && gi->selectbox.open)
16123       return;
16124   }
16125
16126   DrawEditorElementAnimation(SX + x, SY + y);
16127
16128   redraw_mask |= REDRAW_FIELD;
16129
16130   FrameCounter++;       // increase animation frame counter
16131 }
16132
16133 static void HandleLevelEditorIdle_Drawing(void)
16134 {
16135   static boolean last_highlighted = FALSE;
16136   static boolean last_highlighted_similar = FALSE;
16137   boolean highlighted = (GetKeyModState() & KMOD_Alt);
16138   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
16139
16140   if (highlighted != last_highlighted ||
16141       (highlighted && highlighted_similar != last_highlighted_similar))
16142   {
16143     DrawAreaElementHighlight(highlighted, highlighted_similar);
16144
16145     redraw_mask |= REDRAW_FIELD;
16146   }
16147
16148   last_highlighted = highlighted;
16149   last_highlighted_similar = highlighted_similar;
16150 }
16151
16152 void HandleLevelEditorIdle(void)
16153 {
16154   if (edit_mode == ED_MODE_PROPERTIES)
16155     HandleLevelEditorIdle_Properties();
16156   else if (edit_mode == ED_MODE_DRAWING)
16157     HandleLevelEditorIdle_Drawing();
16158 }
16159
16160 static void ClearEditorGadgetInfoText(void)
16161 {
16162   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
16163 }
16164
16165 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
16166 {
16167   char infotext[MAX_OUTPUT_LINESIZE + 1];
16168   int max_infotext_len = getMaxInfoTextLength();
16169
16170   if (gi == NULL || strlen(gi->info_text) == 0)
16171     return;
16172
16173   strncpy(infotext, gi->info_text, max_infotext_len);
16174   infotext[max_infotext_len] = '\0';
16175
16176   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
16177   {
16178     int key = controlbutton_info[gi->custom_id].shortcut;
16179
16180     if (key)
16181     {
16182       char shortcut[MAX_OUTPUT_LINESIZE + 1];
16183
16184       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
16185         sprintf(shortcut, " ('.' or '%c')", key);
16186       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
16187         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
16188       else if (gi->custom_id == GADGET_ID_TEST)
16189         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
16190       else if (gi->custom_id == GADGET_ID_UNDO)
16191         sprintf(shortcut, " ('%c/Shift-U')", key);
16192       else if (gi->custom_id == GADGET_ID_ZOOM)
16193         sprintf(shortcut, " ('%c', '0', '-')", key);
16194       else
16195         sprintf(shortcut, " ('%s%c')",
16196                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
16197
16198       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
16199         strcat(infotext, shortcut);
16200     }
16201   }
16202
16203   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
16204 }
16205
16206 void HandleEditorGadgetInfoText(void *ptr)
16207 {
16208   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
16209
16210   if (game_status != GAME_MODE_EDITOR)
16211     return;
16212
16213   ClearEditorGadgetInfoText();
16214
16215   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
16216     return;
16217
16218   // misuse this function to delete brush cursor, if needed
16219   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
16220     DeleteBrushFromCursor();
16221
16222   PrintEditorGadgetInfoText(gi);
16223 }
16224
16225 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
16226 {
16227   int id = gi->custom_id;
16228   int type_id = gi->custom_type_id;
16229   int sx = gi->event.x;
16230   int sy = gi->event.y;
16231   int lx = sx + level_xpos;
16232   int ly = sy + level_ypos;
16233   int min_sx = 0, min_sy = 0;
16234   int max_sx = gi->drawing.area_xsize - 1;
16235   int max_sy = gi->drawing.area_ysize - 1;
16236   int actual_drawing_function = drawing_function;
16237   int max_infotext_len = getMaxInfoTextLength();
16238   char infotext[MAX_OUTPUT_LINESIZE + 1];
16239
16240   infotext[0] = '\0';           // start with empty info text
16241
16242   // pressed Control key: simulate picking element
16243   if (GetKeyModState() & KMOD_Control)
16244     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
16245
16246   ClearEditorGadgetInfoText();
16247
16248   if (gi->event.type == GD_EVENT_INFO_LEAVING)
16249     return;
16250
16251   // make sure to stay inside drawing area boundaries
16252   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
16253   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
16254
16255   if (id == GADGET_ID_DRAWING_LEVEL)
16256   {
16257     if (button_status)
16258     {
16259       int min_lx = 0, min_ly = 0;
16260       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
16261
16262       // get positions inside level field
16263       lx = sx + level_xpos;
16264       ly = sy + level_ypos;
16265
16266       // make sure to stay inside level field boundaries
16267       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
16268       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
16269
16270       // correct drawing area positions accordingly
16271       sx = lx - level_xpos;
16272       sy = ly - level_ypos;
16273     }
16274
16275     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16276     {
16277       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
16278       {
16279         static int start_lx = 0;
16280         static int start_ly = 0;
16281         char *text;
16282
16283         if (gi->event.type == GD_EVENT_PRESSED)
16284         {
16285           start_lx = lx;
16286           start_ly = ly;
16287         }
16288
16289         switch (actual_drawing_function)
16290         {
16291           case GADGET_ID_SINGLE_ITEMS:
16292             text = "Drawing single items";
16293             break;
16294           case GADGET_ID_CONNECTED_ITEMS:
16295             text = "Drawing connected items";
16296             break;
16297           case GADGET_ID_LINE:
16298             text = "Drawing line";
16299             break;
16300           case GADGET_ID_ARC:
16301             text = "Drawing arc";
16302             break;
16303           case GADGET_ID_TEXT:
16304             text = "Setting text cursor";
16305             break;
16306           case GADGET_ID_RECTANGLE:
16307             text = "Drawing rectangle";
16308             break;
16309           case GADGET_ID_FILLED_BOX:
16310             text = "Drawing filled box";
16311             break;
16312           case GADGET_ID_FLOOD_FILL:
16313             text = "Flood fill";
16314             break;
16315           case GADGET_ID_GRAB_BRUSH:
16316             text = "Grabbing brush";
16317             break;
16318           case GADGET_ID_PICK_ELEMENT:
16319             text = "Picking element";
16320             break;
16321
16322           default:
16323             text = "Drawing position";
16324             break;
16325         }
16326
16327         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16328           sprintf(infotext, "%s: %d, %d", text, lx, ly);
16329         else
16330           sprintf(infotext, "%s: %d, %d", text,
16331                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
16332       }
16333       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16334         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
16335       else
16336         sprintf(infotext, "Level position: %d, %d", lx, ly);
16337     }
16338
16339     // misuse this function to draw brush cursor, if needed
16340     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
16341     {
16342       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16343         CopyBrushToCursor(sx, sy);
16344       else
16345         DeleteBrushFromCursor();
16346     }
16347
16348     if (!draw_with_brush)
16349       UpdateBrushPosition(sx, sy);
16350   }
16351   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16352   {
16353     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16354     int element = drawingarea_info[type_id].value[pos];
16355
16356     strncpy(infotext, getElementInfoText(element), max_infotext_len);
16357   }
16358   else
16359   {
16360     if (id == GADGET_ID_CUSTOM_CONTENT)
16361       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
16362     else if (id == GADGET_ID_GROUP_CONTENT)
16363       sprintf(infotext, "group element position: %d", sx + 1);
16364     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
16365              id <= GADGET_ID_YAMYAM_CONTENT_7)
16366       sprintf(infotext, "content area %d position: %d, %d",
16367               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
16368     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
16369              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
16370       sprintf(infotext, "content area %d position: %d, %d",
16371               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
16372     else if (id == GADGET_ID_ANDROID_CONTENT)
16373       sprintf(infotext, "android element position: %d", sx + 1);
16374     else if (drawingarea_info[type_id].infotext != NULL)
16375       strcpy(infotext, drawingarea_info[type_id].infotext);
16376   }
16377
16378   infotext[max_infotext_len] = '\0';
16379
16380   if (strlen(infotext) > 0)
16381     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
16382 }
16383
16384 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
16385                             boolean quick_quit)
16386 {
16387   if (!ask_if_level_has_changed ||
16388       !LevelChanged() ||
16389       Request("Level has changed! Exit without saving?",
16390               REQ_ASK | REQ_STAY_OPEN))
16391   {
16392     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
16393     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
16394
16395     // draw normal door
16396     UndrawSpecialEditorDoor();
16397
16398     // use door animation if door 1 viewport is unchanged and contains toolbox
16399     if (useEditorDoorAnimation())
16400       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
16401
16402     // close editor doors if viewport definition is the same as in main menu
16403     if (vp_door_1->x      == DX     &&
16404         vp_door_1->y      == DY     &&
16405         vp_door_1->width  == DXSIZE &&
16406         vp_door_1->height == DYSIZE &&
16407         vp_door_2->x      == VX     &&
16408         vp_door_2->y      == VY     &&
16409         vp_door_2->width  == VXSIZE &&
16410         vp_door_2->height == VYSIZE)
16411       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
16412     else
16413       SetDoorState(DOOR_CLOSE_ALL);
16414
16415     BackToFront();
16416
16417     if (quick_quit)
16418       FadeSkipNextFadeIn();
16419
16420     SetGameStatus(GAME_MODE_MAIN);
16421
16422     DrawMainMenu();
16423   }
16424   else
16425   {
16426     if (!global.use_envelope_request)
16427     {
16428       CloseDoor(DOOR_CLOSE_1);
16429       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
16430     }
16431   }
16432 }