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_ELEMENT_VALUE1_DOWN,
 445   GADGET_ID_ELEMENT_VALUE1_TEXT,
 446   GADGET_ID_ELEMENT_VALUE1_UP,
 447   GADGET_ID_ELEMENT_VALUE2_DOWN,
 448   GADGET_ID_ELEMENT_VALUE2_TEXT,
 449   GADGET_ID_ELEMENT_VALUE2_UP,
 450   GADGET_ID_ELEMENT_VALUE3_DOWN,
 451   GADGET_ID_ELEMENT_VALUE3_TEXT,
 452   GADGET_ID_ELEMENT_VALUE3_UP,
 453   GADGET_ID_ELEMENT_VALUE4_DOWN,
 454   GADGET_ID_ELEMENT_VALUE4_TEXT,
 455   GADGET_ID_ELEMENT_VALUE4_UP,
 456   GADGET_ID_YAMYAM_CONTENT_DOWN,
 457   GADGET_ID_YAMYAM_CONTENT_TEXT,
 458   GADGET_ID_YAMYAM_CONTENT_UP,
 459   GADGET_ID_BALL_CONTENT_DOWN,
 460   GADGET_ID_BALL_CONTENT_TEXT,
 461   GADGET_ID_BALL_CONTENT_UP,
 462   GADGET_ID_ANDROID_CONTENT_DOWN,
 463   GADGET_ID_ANDROID_CONTENT_TEXT,
 464   GADGET_ID_ANDROID_CONTENT_UP,
 465   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 466   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 467   GADGET_ID_ENVELOPE_XSIZE_UP,
 468   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 469   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 470   GADGET_ID_ENVELOPE_YSIZE_UP,
 471   GADGET_ID_INVENTORY_SIZE_DOWN,
 472   GADGET_ID_INVENTORY_SIZE_TEXT,
 473   GADGET_ID_INVENTORY_SIZE_UP,
 474   GADGET_ID_MM_BALL_CONTENT_DOWN,
 475   GADGET_ID_MM_BALL_CONTENT_TEXT,
 476   GADGET_ID_MM_BALL_CONTENT_UP,
 477   GADGET_ID_CUSTOM_SCORE_DOWN,
 478   GADGET_ID_CUSTOM_SCORE_TEXT,
 479   GADGET_ID_CUSTOM_SCORE_UP,
 480   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 481   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 482   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 483   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 484   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 485   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 486   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 487   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 488   GADGET_ID_CUSTOM_VALUE_RND_UP,
 489   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 490   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 491   GADGET_ID_PUSH_DELAY_FIX_UP,
 492   GADGET_ID_PUSH_DELAY_RND_DOWN,
 493   GADGET_ID_PUSH_DELAY_RND_TEXT,
 494   GADGET_ID_PUSH_DELAY_RND_UP,
 495   GADGET_ID_DROP_DELAY_FIX_DOWN,
 496   GADGET_ID_DROP_DELAY_FIX_TEXT,
 497   GADGET_ID_DROP_DELAY_FIX_UP,
 498   GADGET_ID_DROP_DELAY_RND_DOWN,
 499   GADGET_ID_DROP_DELAY_RND_TEXT,
 500   GADGET_ID_DROP_DELAY_RND_UP,
 501   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 502   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 503   GADGET_ID_MOVE_DELAY_FIX_UP,
 504   GADGET_ID_MOVE_DELAY_RND_DOWN,
 505   GADGET_ID_MOVE_DELAY_RND_TEXT,
 506   GADGET_ID_MOVE_DELAY_RND_UP,
 507   GADGET_ID_STEP_DELAY_FIX_DOWN,
 508   GADGET_ID_STEP_DELAY_FIX_TEXT,
 509   GADGET_ID_STEP_DELAY_FIX_UP,
 510   GADGET_ID_STEP_DELAY_RND_DOWN,
 511   GADGET_ID_STEP_DELAY_RND_TEXT,
 512   GADGET_ID_STEP_DELAY_RND_UP,
 513   GADGET_ID_EXPLOSION_DELAY_DOWN,
 514   GADGET_ID_EXPLOSION_DELAY_TEXT,
 515   GADGET_ID_EXPLOSION_DELAY_UP,
 516   GADGET_ID_IGNITION_DELAY_DOWN,
 517   GADGET_ID_IGNITION_DELAY_TEXT,
 518   GADGET_ID_IGNITION_DELAY_UP,
 519   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 520   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 521   GADGET_ID_CHANGE_DELAY_FIX_UP,
 522   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 523   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 524   GADGET_ID_CHANGE_DELAY_RND_UP,
 525   GADGET_ID_CHANGE_CONT_RND_DOWN,
 526   GADGET_ID_CHANGE_CONT_RND_TEXT,
 527   GADGET_ID_CHANGE_CONT_RND_UP,
 528   GADGET_ID_GROUP_CONTENT_DOWN,
 529   GADGET_ID_GROUP_CONTENT_TEXT,
 530   GADGET_ID_GROUP_CONTENT_UP,
 531
 532   // drawing area identifiers
 533
 534   GADGET_ID_DRAWING_LEVEL,
 535   GADGET_ID_YAMYAM_CONTENT_0,
 536   GADGET_ID_YAMYAM_CONTENT_1,
 537   GADGET_ID_YAMYAM_CONTENT_2,
 538   GADGET_ID_YAMYAM_CONTENT_3,
 539   GADGET_ID_YAMYAM_CONTENT_4,
 540   GADGET_ID_YAMYAM_CONTENT_5,
 541   GADGET_ID_YAMYAM_CONTENT_6,
 542   GADGET_ID_YAMYAM_CONTENT_7,
 543   GADGET_ID_MAGIC_BALL_CONTENT_0,
 544   GADGET_ID_MAGIC_BALL_CONTENT_1,
 545   GADGET_ID_MAGIC_BALL_CONTENT_2,
 546   GADGET_ID_MAGIC_BALL_CONTENT_3,
 547   GADGET_ID_MAGIC_BALL_CONTENT_4,
 548   GADGET_ID_MAGIC_BALL_CONTENT_5,
 549   GADGET_ID_MAGIC_BALL_CONTENT_6,
 550   GADGET_ID_MAGIC_BALL_CONTENT_7,
 551   GADGET_ID_ANDROID_CONTENT,
 552   GADGET_ID_AMOEBA_CONTENT,
 553   GADGET_ID_START_ELEMENT,
 554   GADGET_ID_ARTWORK_ELEMENT,
 555   GADGET_ID_EXPLOSION_ELEMENT,
 556   GADGET_ID_INVENTORY_CONTENT,
 557   GADGET_ID_MM_BALL_CONTENT,
 558   GADGET_ID_CUSTOM_GRAPHIC,
 559   GADGET_ID_CUSTOM_CONTENT,
 560   GADGET_ID_CUSTOM_MOVE_ENTER,
 561   GADGET_ID_CUSTOM_MOVE_LEAVE,
 562   GADGET_ID_CUSTOM_CHANGE_TARGET,
 563   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 564   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 565   GADGET_ID_CUSTOM_CHANGE_ACTION,
 566   GADGET_ID_GROUP_CONTENT,
 567   GADGET_ID_RANDOM_BACKGROUND,
 568
 569   // text input identifiers
 570
 571   GADGET_ID_LEVEL_NAME,
 572   GADGET_ID_LEVEL_AUTHOR,
 573   GADGET_ID_LEVELSET_NAME,
 574   GADGET_ID_LEVELSET_AUTHOR,
 575   GADGET_ID_ELEMENT_NAME,
 576
 577   // text area identifiers
 578
 579   GADGET_ID_ENVELOPE_INFO,
 580
 581   // selectbox identifiers
 582
 583   GADGET_ID_TIME_OR_STEPS,
 584   GADGET_ID_TIME_SCORE_BASE,
 585   GADGET_ID_GAME_ENGINE_TYPE,
 586   GADGET_ID_BD_SCHEDULING_TYPE,
 587   GADGET_ID_LEVELSET_SAVE_MODE,
 588   GADGET_ID_WIND_DIRECTION,
 589   GADGET_ID_PLAYER_SPEED,
 590   GADGET_ID_MM_BALL_CHOICE_MODE,
 591   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 592   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 593   GADGET_ID_CUSTOM_DEADLINESS,
 594   GADGET_ID_CUSTOM_MOVE_PATTERN,
 595   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 596   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 597   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 598   GADGET_ID_CUSTOM_SMASH_TARGETS,
 599   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 600   GADGET_ID_CUSTOM_ACCESS_TYPE,
 601   GADGET_ID_CUSTOM_ACCESS_LAYER,
 602   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 603   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 604   GADGET_ID_CHANGE_TIME_UNITS,
 605   GADGET_ID_CHANGE_DIRECT_ACTION,
 606   GADGET_ID_CHANGE_OTHER_ACTION,
 607   GADGET_ID_CHANGE_SIDE,
 608   GADGET_ID_CHANGE_PLAYER,
 609   GADGET_ID_CHANGE_PAGE,
 610   GADGET_ID_CHANGE_REPLACE_WHEN,
 611   GADGET_ID_ACTION_TYPE,
 612   GADGET_ID_ACTION_MODE,
 613   GADGET_ID_ACTION_ARG,
 614   GADGET_ID_SELECT_CHANGE_PAGE,
 615   GADGET_ID_GROUP_CHOICE_MODE,
 616
 617   // textbutton identifiers
 618
 619   GADGET_ID_LEVELCONFIG_LEVEL,
 620   GADGET_ID_LEVELCONFIG_LEVELSET,
 621   GADGET_ID_LEVELCONFIG_EDITOR,
 622   GADGET_ID_LEVELCONFIG_ENGINE,
 623   GADGET_ID_PROPERTIES_INFO,
 624   GADGET_ID_PROPERTIES_CONFIG,
 625   GADGET_ID_PROPERTIES_CONFIG_1,
 626   GADGET_ID_PROPERTIES_CONFIG_2,
 627   GADGET_ID_PROPERTIES_CHANGE,
 628   GADGET_ID_SAVE_AS_TEMPLATE_1,
 629   GADGET_ID_SAVE_AS_TEMPLATE_2,
 630   GADGET_ID_SAVE_LEVELSET,
 631   GADGET_ID_ADD_CHANGE_PAGE,
 632   GADGET_ID_DEL_CHANGE_PAGE,
 633
 634   // graphicbutton identifiers
 635
 636   GADGET_ID_PREV_CHANGE_PAGE,
 637   GADGET_ID_NEXT_CHANGE_PAGE,
 638   GADGET_ID_COPY_CHANGE_PAGE,
 639   GADGET_ID_PASTE_CHANGE_PAGE,
 640
 641   // gadgets for scrolling of drawing area
 642
 643   GADGET_ID_SCROLL_UP,
 644   GADGET_ID_SCROLL_DOWN,
 645   GADGET_ID_SCROLL_LEFT,
 646   GADGET_ID_SCROLL_RIGHT,
 647   GADGET_ID_SCROLL_HORIZONTAL,
 648   GADGET_ID_SCROLL_VERTICAL,
 649
 650   // gadgets for scrolling element list
 651
 652   GADGET_ID_SCROLL_LIST_UP,
 653   GADGET_ID_SCROLL_LIST_DOWN,
 654   GADGET_ID_SCROLL_LIST_VERTICAL,
 655
 656   // checkbuttons/radiobuttons for level/element properties
 657
 658   GADGET_ID_AUTO_COUNT_GEMS,
 659   GADGET_ID_RATE_TIME_OVER_SCORE,
 660   GADGET_ID_USE_LEVELSET_ARTWORK,
 661   GADGET_ID_COPY_LEVEL_TEMPLATE,
 662   GADGET_ID_RANDOM_PERCENTAGE,
 663   GADGET_ID_RANDOM_QUANTITY,
 664   GADGET_ID_RANDOM_RESTRICTED,
 665   GADGET_ID_BD_INTERMISSION,
 666   GADGET_ID_BD_PAL_TIMING,
 667   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 668   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 669   GADGET_ID_STICK_ELEMENT,
 670   GADGET_ID_EM_SLIPPERY_GEMS,
 671   GADGET_ID_EM_EXPLODES_BY_FIRE,
 672   GADGET_ID_USE_SPRING_BUG,
 673   GADGET_ID_USE_TIME_ORB_BUG,
 674   GADGET_ID_USE_LIFE_BUGS,
 675   GADGET_ID_RANDOM_BALL_CONTENT,
 676   GADGET_ID_INITIAL_BALL_ACTIVE,
 677   GADGET_ID_GROW_INTO_DIGGABLE,
 678   GADGET_ID_SB_FIELDS_NEEDED,
 679   GADGET_ID_SB_OBJECTS_NEEDED,
 680   GADGET_ID_AUTO_EXIT_SOKOBAN,
 681   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 682   GADGET_ID_FINISH_DIG_COLLECT,
 683   GADGET_ID_KEEP_WALKABLE_CE,
 684   GADGET_ID_CONTINUOUS_SNAPPING,
 685   GADGET_ID_BLOCK_SNAP_FIELD,
 686   GADGET_ID_BLOCK_LAST_FIELD,
 687   GADGET_ID_SP_BLOCK_LAST_FIELD,
 688   GADGET_ID_INSTANT_RELOCATION,
 689   GADGET_ID_SHIFTED_RELOCATION,
 690   GADGET_ID_LAZY_RELOCATION,
 691   GADGET_ID_USE_START_ELEMENT,
 692   GADGET_ID_USE_ARTWORK_ELEMENT,
 693   GADGET_ID_USE_EXPLOSION_ELEMENT,
 694   GADGET_ID_INITIAL_GRAVITY,
 695   GADGET_ID_USE_INITIAL_INVENTORY,
 696   GADGET_ID_CAN_PASS_TO_WALKABLE,
 697   GADGET_ID_CAN_FALL_INTO_ACID,
 698   GADGET_ID_CAN_MOVE_INTO_ACID,
 699   GADGET_ID_DONT_COLLIDE_WITH,
 700   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 701   GADGET_ID_ENVELOPE_AUTOWRAP,
 702   GADGET_ID_ENVELOPE_CENTERED,
 703   GADGET_ID_MM_LASER_RED,
 704   GADGET_ID_MM_LASER_GREEN,
 705   GADGET_ID_MM_LASER_BLUE,
 706   GADGET_ID_DF_LASER_RED,
 707   GADGET_ID_DF_LASER_GREEN,
 708   GADGET_ID_DF_LASER_BLUE,
 709   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 710   GADGET_ID_EXPLODE_MM_BALL,
 711   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 712   GADGET_ID_CUSTOM_CAN_EXPLODE,
 713   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 714   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 715   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 716   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 717   GADGET_ID_CUSTOM_DEADLY,
 718   GADGET_ID_CUSTOM_CAN_MOVE,
 719   GADGET_ID_CUSTOM_CAN_FALL,
 720   GADGET_ID_CUSTOM_CAN_SMASH,
 721   GADGET_ID_CUSTOM_SLIPPERY,
 722   GADGET_ID_CUSTOM_ACCESSIBLE,
 723   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 724   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 725   GADGET_ID_CUSTOM_USE_GRAPHIC,
 726   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 727   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 728   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 729   GADGET_ID_CUSTOM_CAN_CHANGE,
 730   GADGET_ID_CHANGE_USE_CONTENT,
 731   GADGET_ID_CHANGE_USE_EXPLOSION,
 732   GADGET_ID_CHANGE_ONLY_COMPLETE,
 733   GADGET_ID_CHANGE_USE_RANDOM,
 734   GADGET_ID_CHANGE_HAS_ACTION,
 735   GADGET_ID_CHANGE_DELAY,
 736   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 737   GADGET_ID_CHANGE_BY_OTHER_ACT,
 738
 739   NUM_STATIC_GADGET_IDS
 740 };
 741
 742 // gadgets for buttons in element list (dynamic)
 743 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 744 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 745                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 746
 747 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 748
 749 // radio button numbers
 750 enum
 751 {
 752   RADIO_NR_NONE,
 753   RADIO_NR_DRAWING_TOOLBOX,
 754   RADIO_NR_RANDOM_ELEMENTS
 755 };
 756
 757 // values for counter gadgets
 758 enum
 759 {
 760   ED_COUNTER_ID_SELECT_LEVEL,
 761   ED_COUNTER_ID_LEVEL_XSIZE,
 762   ED_COUNTER_ID_LEVEL_YSIZE,
 763   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 764   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 765   ED_COUNTER_ID_LEVEL_TIMESCORE,
 766   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 767   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 768   ED_COUNTER_ID_LEVEL_RANDOM,
 769   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 770   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 771   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 772   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 773   ED_COUNTER_ID_ELEMENT_VALUE1,
 774   ED_COUNTER_ID_ELEMENT_VALUE2,
 775   ED_COUNTER_ID_ELEMENT_VALUE3,
 776   ED_COUNTER_ID_ELEMENT_VALUE4,
 777   ED_COUNTER_ID_YAMYAM_CONTENT,
 778   ED_COUNTER_ID_BALL_CONTENT,
 779   ED_COUNTER_ID_ANDROID_CONTENT,
 780   ED_COUNTER_ID_ENVELOPE_XSIZE,
 781   ED_COUNTER_ID_ENVELOPE_YSIZE,
 782   ED_COUNTER_ID_INVENTORY_SIZE,
 783   ED_COUNTER_ID_MM_BALL_CONTENT,
 784   ED_COUNTER_ID_CUSTOM_SCORE,
 785   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 786   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 787   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 788   ED_COUNTER_ID_PUSH_DELAY_FIX,
 789   ED_COUNTER_ID_PUSH_DELAY_RND,
 790   ED_COUNTER_ID_DROP_DELAY_FIX,
 791   ED_COUNTER_ID_DROP_DELAY_RND,
 792   ED_COUNTER_ID_MOVE_DELAY_FIX,
 793   ED_COUNTER_ID_MOVE_DELAY_RND,
 794   ED_COUNTER_ID_STEP_DELAY_FIX,
 795   ED_COUNTER_ID_STEP_DELAY_RND,
 796   ED_COUNTER_ID_EXPLOSION_DELAY,
 797   ED_COUNTER_ID_IGNITION_DELAY,
 798   ED_COUNTER_ID_GROUP_CONTENT,
 799   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 800   ED_COUNTER_ID_CHANGE_DELAY_RND,
 801   ED_COUNTER_ID_CHANGE_CONT_RND,
 802
 803   ED_NUM_COUNTERBUTTONS
 804 };
 805
 806 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 807 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 808 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 809 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 810 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 811 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 812
 813 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 814 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 815 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 816 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 817 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 818 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 819
 820 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 821 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 822
 823 // values for scrollbutton gadgets
 824 enum
 825 {
 826   ED_SCROLLBUTTON_ID_AREA_UP,
 827   ED_SCROLLBUTTON_ID_AREA_DOWN,
 828   ED_SCROLLBUTTON_ID_AREA_LEFT,
 829   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 830   ED_SCROLLBUTTON_ID_LIST_UP,
 831   ED_SCROLLBUTTON_ID_LIST_DOWN,
 832
 833   ED_NUM_SCROLLBUTTONS
 834 };
 835
 836 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 837 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 838
 839 // values for scrollbar gadgets
 840 enum
 841 {
 842   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 843   ED_SCROLLBAR_ID_AREA_VERTICAL,
 844   ED_SCROLLBAR_ID_LIST_VERTICAL,
 845
 846   ED_NUM_SCROLLBARS
 847 };
 848
 849 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 850 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 851
 852 // values for text input gadgets
 853 enum
 854 {
 855   ED_TEXTINPUT_ID_LEVEL_NAME,
 856   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 857   ED_TEXTINPUT_ID_LEVELSET_NAME,
 858   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 859   ED_TEXTINPUT_ID_ELEMENT_NAME,
 860
 861   ED_NUM_TEXTINPUT
 862 };
 863
 864 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 865 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 866
 867 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 868 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 869
 870 // values for text area gadgets
 871 enum
 872 {
 873   ED_TEXTAREA_ID_ENVELOPE_INFO,
 874
 875   ED_NUM_TEXTAREAS
 876 };
 877
 878 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 879 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 880
 881 // values for selectbox gadgets
 882 enum
 883 {
 884   ED_SELECTBOX_ID_TIME_OR_STEPS,
 885   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 886   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 887   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 888   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 889   ED_SELECTBOX_ID_WIND_DIRECTION,
 890   ED_SELECTBOX_ID_PLAYER_SPEED,
 891   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 892   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 893   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 894   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 895   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 896   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 897   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 898   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 899   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 900   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 901   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 902   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 903   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 904   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 905   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 906   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 907   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 908   ED_SELECTBOX_ID_CHANGE_SIDE,
 909   ED_SELECTBOX_ID_CHANGE_PLAYER,
 910   ED_SELECTBOX_ID_CHANGE_PAGE,
 911   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 912   ED_SELECTBOX_ID_ACTION_TYPE,
 913   ED_SELECTBOX_ID_ACTION_MODE,
 914   ED_SELECTBOX_ID_ACTION_ARG,
 915   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 916   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 917
 918   ED_NUM_SELECTBOX
 919 };
 920
 921 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 922 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 923
 924 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 925 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 926
 927 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 928 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 929
 930 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 931 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 932 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 933 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 934 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 935 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 936
 937 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 938 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 939
 940 // values for textbutton gadgets
 941 enum
 942 {
 943   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
 944   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
 945   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
 946   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
 947   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 948   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 949   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 950   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 951   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 952   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 953   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 954   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 955   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 956   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 957
 958   ED_NUM_TEXTBUTTONS
 959 };
 960
 961 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
 962 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
 963
 964 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 965 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 966
 967 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 968 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 969
 970 // values for graphicbutton gadgets
 971 enum
 972 {
 973   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 974   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 975   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 976   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 977
 978   ED_NUM_GRAPHICBUTTONS
 979 };
 980
 981 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 982 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 983
 984 // values for checkbutton gadgets
 985 enum
 986 {
 987   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 988   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
 989   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 990   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 991   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 992   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 993   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 994   ED_CHECKBUTTON_ID_BD_INTERMISSION,
 995   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
 996   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
 997   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 998   ED_CHECKBUTTON_ID_STICK_ELEMENT,
 999   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1000   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1001   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1002   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1003   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1004   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1005   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1006   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1007   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1008   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1009   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1010   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1011   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1012   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1013   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1014   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1015   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1016   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1017   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1018   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1019   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1020   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1021   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1022   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1023   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1024   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1025   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1026   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1027   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1028   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1029   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1030   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1031   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1032   ED_CHECKBUTTON_ID_MM_LASER_RED,
1033   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1034   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1035   ED_CHECKBUTTON_ID_DF_LASER_RED,
1036   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1037   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1038   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1039   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1040   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1041   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1042   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1043   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1044   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1045   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1046   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1047   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1048   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1049   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1050   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1051   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1052   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1053   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1054   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1055   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1056   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1057   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1058   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1059   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1060   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1061   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1062   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1063   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1064   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1065
1066   ED_NUM_CHECKBUTTONS
1067 };
1068
1069 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1070 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1071
1072 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1073 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1074
1075 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1076 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1077
1078 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1079 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW
1080
1081 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1082 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1083 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1084 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1085 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1086 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1087
1088 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1089 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1090
1091 // values for radiobutton gadgets
1092 enum
1093 {
1094   ED_RADIOBUTTON_ID_PERCENTAGE,
1095   ED_RADIOBUTTON_ID_QUANTITY,
1096
1097   ED_NUM_RADIOBUTTONS
1098 };
1099
1100 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1101 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1102
1103 // values for drawing area gadgets
1104 enum
1105 {
1106   ED_DRAWING_ID_DRAWING_LEVEL,
1107   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1108   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1109   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1110   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1111   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1112   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1113   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1114   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1115   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1116   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1117   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1118   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1119   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1120   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1121   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1122   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1123   ED_DRAWING_ID_ANDROID_CONTENT,
1124   ED_DRAWING_ID_AMOEBA_CONTENT,
1125   ED_DRAWING_ID_START_ELEMENT,
1126   ED_DRAWING_ID_ARTWORK_ELEMENT,
1127   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1128   ED_DRAWING_ID_INVENTORY_CONTENT,
1129   ED_DRAWING_ID_MM_BALL_CONTENT,
1130   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1131   ED_DRAWING_ID_CUSTOM_CONTENT,
1132   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1133   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1134   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1135   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1136   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1137   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1138   ED_DRAWING_ID_GROUP_CONTENT,
1139   ED_DRAWING_ID_RANDOM_BACKGROUND,
1140
1141   ED_NUM_DRAWING_AREAS
1142 };
1143
1144 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1145 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1146
1147
1148 // ----------------------------------------------------------------------------
1149 // some internally used definitions
1150 // ----------------------------------------------------------------------------
1151
1152 // values for CopyLevelToUndoBuffer()
1153 #define UNDO_IMMEDIATE                  0
1154 #define UNDO_ACCUMULATE                 1
1155
1156 // values for scrollbars
1157 #define ED_SCROLL_NO                    0
1158 #define ED_SCROLL_LEFT                  1
1159 #define ED_SCROLL_RIGHT                 2
1160 #define ED_SCROLL_UP                    4
1161 #define ED_SCROLL_DOWN                  8
1162
1163 // screens in the level editor
1164 #define ED_MODE_DRAWING                 0
1165 #define ED_MODE_LEVELCONFIG             1
1166 #define ED_MODE_PROPERTIES              2
1167 #define ED_MODE_PALETTE                 3
1168
1169 // sub-screens in the global settings section
1170 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1171 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1172 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1173 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1174
1175 // sub-screens in the element properties section
1176 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1177 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1178 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1179 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1180 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1181
1182 // how many steps can be cancelled
1183 #define NUM_UNDO_STEPS                  (64 + 1)
1184
1185 // values for elements with score for certain actions
1186 #define MIN_SCORE                       0
1187 #define MAX_SCORE                       999
1188
1189 // values for elements with count for collecting
1190 #define MIN_COLLECT_COUNT               0
1191 #define MAX_COLLECT_COUNT               999
1192
1193 // values for random placement
1194 #define RANDOM_USE_PERCENTAGE           0
1195 #define RANDOM_USE_QUANTITY             1
1196
1197 // values for level set save mode
1198 #define LEVELSET_SAVE_MODE_UPDATE       0
1199 #define LEVELSET_SAVE_MODE_CREATE       1
1200
1201 // default value for element tile size in drawing area
1202 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1203 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1204
1205
1206 // ----------------------------------------------------------------------------
1207 // some internally used data structure definitions
1208 // ----------------------------------------------------------------------------
1209
1210 static struct
1211 {
1212   int graphic;
1213   int gadget_id;
1214   struct XYTileSize *pos;
1215   int gadget_type;
1216   char *infotext;
1217   char shortcut;
1218 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1219 {
1220   // note: some additional characters are already reserved for "cheat mode"
1221   // shortcuts (":XYZ" style) -- for details, see "events.c"
1222
1223   // ---------- toolbox control buttons ---------------------------------------
1224
1225   {
1226     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1227     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1228     "draw single items",                        's'
1229   },
1230   {
1231     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1232     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1233     "draw connected items",                     'd'
1234   },
1235   {
1236     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1237     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1238     "draw lines",                               'l'
1239   },
1240   {
1241     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1242     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1243     "draw arcs",                                'a'
1244   },
1245   {
1246     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1247     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1248     "draw outline rectangles",                  'r'
1249   },
1250   {
1251     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1252     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1253     "draw filled rectangles",                   'R'
1254   },
1255   {
1256     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1257     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1258     "wrap (rotate) level up",                   0
1259   },
1260   {
1261     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1262     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1263     "enter text elements",                      't'
1264   },
1265   {
1266     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1267     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1268     "flood fill",                               'f'
1269   },
1270   {
1271     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1272     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1273     "wrap (rotate) level left",                 0
1274   },
1275   {
1276     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1277     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1278     "zoom level tile size",                     '+'
1279   },
1280   {
1281     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1282     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1283     "wrap (rotate) level right",                0
1284   },
1285   {
1286     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1287     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1288     "random element placement",                 0
1289   },
1290   {
1291     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1292     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1293     "grab brush",                               'b'
1294   },
1295   {
1296     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1297     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1298     "wrap (rotate) level down",                 0
1299   },
1300   {
1301     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1302     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1303     "pick drawing element",                     ','
1304   },
1305
1306   // ---------- level control buttons -----------------------------------------
1307
1308   {
1309     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1310     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1311     "undo/redo last operation",                 'u'
1312   },
1313   {
1314     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1315     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1316     "level and editor settings",                'I'
1317   },
1318   {
1319     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1320     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1321     "save level",                               'S'
1322   },
1323   {
1324     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1325     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1326     "clear level",                              'C'
1327   },
1328   {
1329     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1330     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1331     "test level",                               'T'
1332   },
1333   {
1334     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1335     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1336     "exit level editor",                        'E'
1337   },
1338
1339   // ---------- CE and GE control buttons -------------------------------------
1340
1341   {
1342     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1343     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1344     "copy settings from other element",         0
1345   },
1346   {
1347     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1348     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1349     "copy settings to other element",           0
1350   },
1351   {
1352     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1353     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1354     "exchange element with other element",      0
1355   },
1356   {
1357     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1358     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1359     "copy settings from this element",          0
1360   },
1361   {
1362     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1363     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1364     "paste settings to this element",           0
1365   },
1366
1367   // ---------- palette control buttons ---------------------------------------
1368
1369   {
1370     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1371     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1372     "properties of drawing element",            'p'
1373   },
1374   {
1375     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1376     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1377     "properties of drawing element 1",          '1'
1378   },
1379   {
1380     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1381     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1382     "properties of drawing element 2",          '2'
1383   },
1384   {
1385     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1386     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1387     "properties of drawing element 3",          '3'
1388   },
1389   {
1390     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1391     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1392     "show list of elements",                    'e'
1393   }
1394 };
1395
1396 static int random_placement_value = 10;
1397 static int random_placement_method = RANDOM_USE_QUANTITY;
1398 static int random_placement_background_element = EL_SAND;
1399 static boolean random_placement_background_restricted = FALSE;
1400 static boolean stick_element_properties_window = FALSE;
1401 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1402 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1403 static struct ElementChangeInfo custom_element_change;
1404 static struct ElementGroupInfo group_element_info;
1405 static struct ElementInfo custom_element;
1406
1407 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1408 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1409 static int levelset_num_levels = 100;
1410 static boolean levelset_use_levelset_artwork = FALSE;
1411 static boolean levelset_copy_level_template = FALSE;
1412 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1413
1414 static struct
1415 {
1416   int gadget_type_id;
1417   int x, y;
1418   int min_value, max_value;
1419   int gadget_id_down, gadget_id_up;
1420   int gadget_id_text;
1421   int gadget_id_align;
1422   int *value;
1423   char *text_above, *text_left, *text_right;
1424 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1425 {
1426   // ---------- current level number ------------------------------------------
1427
1428   {
1429     ED_COUNTER_ID_SELECT_LEVEL,
1430     -1, -1,     // these values are not constant, but can change at runtime
1431     1,                                  100,
1432     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1433     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1434     &level_nr,
1435     NULL,                               NULL, NULL
1436   },
1437
1438   // ---------- level and editor settings -------------------------------------
1439
1440   {
1441     ED_COUNTER_ID_LEVEL_XSIZE,
1442     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1443     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1444     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1445     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1446     &level.fieldx,
1447     "playfield size:",                  NULL, "width",
1448   },
1449   {
1450     ED_COUNTER_ID_LEVEL_YSIZE,
1451     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1452     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1453     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1454     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1455     &level.fieldy,
1456     NULL,                               " ", "height",
1457   },
1458   {
1459     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1460     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1461     0,                                  999,
1462     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1463     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1464     &level.gems_needed,
1465     NULL,                               "number of gems to collect:", NULL
1466   },
1467   {
1468     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1469     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1470     0,                                  9999,
1471     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1472     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1473     &level.time,
1474     "time or step limit to solve level:", NULL, NULL
1475   },
1476   {
1477     ED_COUNTER_ID_LEVEL_TIMESCORE,
1478     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1479     0,                                  999,
1480     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1481     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1482     &level.score[SC_TIME_BONUS],
1483     "score for time or steps left:",    NULL, NULL
1484   },
1485   {
1486     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1487     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1488     0,                                  9999,
1489     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1490     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1491     &level.random_seed,
1492     NULL,                               "random seed:", "(0 => random)"
1493   },
1494   {
1495     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1496     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1497     1,                                  MAX_LEVELS,
1498     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1499     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1500     &levelset_num_levels,
1501     "number of levels:",                NULL, NULL,
1502   },
1503   {
1504     ED_COUNTER_ID_LEVEL_RANDOM,
1505     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1506     1,                                  100,
1507     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1508     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1509     &random_placement_value,
1510     "random element placement:",        NULL, "in"
1511   },
1512   {
1513     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1514     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1515     50,                                 500,
1516     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1517     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,   GADGET_ID_NONE,
1518     &level.bd_cycle_delay_ms,
1519     NULL,                               NULL, "game cycle delay (ms)"
1520   },
1521   {
1522     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1523     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1524     0,                                  32,
1525     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,  GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1526     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,  GADGET_ID_NONE,
1527     &level.bd_cycle_delay_c64,
1528     NULL,                               NULL, "game cycle delay (C64-style)"
1529   },
1530   {
1531     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1532     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1533     1,                                  40,
1534     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1535     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1536     &level.bd_hatching_delay_cycles,
1537     NULL,                               NULL, "hatching delay (cycles)"
1538   },
1539   {
1540     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1541     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1542     1,                                  40,
1543     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1544     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1545     &level.bd_hatching_delay_seconds,
1546     NULL,                               NULL, "hatching delay (seconds)"
1547   },
1548
1549   // ---------- element settings: configure (various elements) ----------------
1550
1551   {
1552     ED_COUNTER_ID_ELEMENT_VALUE1,
1553     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1554     MIN_SCORE,                          MAX_SCORE,
1555     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1556     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1557     NULL,                               // will be set when used
1558     NULL,                               NULL, NULL
1559   },
1560   {
1561     ED_COUNTER_ID_ELEMENT_VALUE2,
1562     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1563     MIN_SCORE,                          MAX_SCORE,
1564     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1565     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1566     NULL,                               // will be set when used
1567     NULL,                               NULL, NULL
1568   },
1569   {
1570     ED_COUNTER_ID_ELEMENT_VALUE3,
1571     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1572     MIN_SCORE,                          MAX_SCORE,
1573     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1574     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1575     NULL,                               // will be set when used
1576     NULL,                               NULL, NULL
1577   },
1578   {
1579     ED_COUNTER_ID_ELEMENT_VALUE4,
1580     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1581     MIN_SCORE,                          MAX_SCORE,
1582     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1583     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1584     NULL,                               // will be set when used
1585     NULL,                               NULL, NULL
1586   },
1587   {
1588     ED_COUNTER_ID_YAMYAM_CONTENT,
1589     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1590     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1591     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1592     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1593     &level.num_yamyam_contents,
1594     NULL,                               NULL, "number of content areas"
1595   },
1596   {
1597     ED_COUNTER_ID_BALL_CONTENT,
1598     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1599     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1600     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1601     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1602     &level.num_ball_contents,
1603     NULL,                               NULL, "number of content areas"
1604   },
1605   {
1606     ED_COUNTER_ID_ANDROID_CONTENT,
1607     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1608     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1609     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1610     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1611     &level.num_android_clone_elements,
1612     NULL,                               NULL, "number of clonable elements"
1613   },
1614   {
1615     ED_COUNTER_ID_ENVELOPE_XSIZE,
1616     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1617     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1618     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1619     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1620     NULL,                               // will be set when used
1621     NULL,                               NULL, "width",
1622   },
1623   {
1624     ED_COUNTER_ID_ENVELOPE_YSIZE,
1625     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1626     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1627     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1628     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1629     NULL,                               // will be set when used
1630     NULL,                               " ", "height",
1631   },
1632   {
1633     ED_COUNTER_ID_INVENTORY_SIZE,
1634     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1635     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1636     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1637     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1638     &level.initial_inventory_size[0],
1639     NULL,                               NULL, "number of inventory elements"
1640   },
1641   {
1642     ED_COUNTER_ID_MM_BALL_CONTENT,
1643     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1644     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1645     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1646     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1647     &level.num_mm_ball_contents,
1648     NULL,                               NULL, "number of content elements"
1649   },
1650
1651   // ---------- element settings: configure 1 (custom elements) ---------------
1652
1653   {
1654     ED_COUNTER_ID_CUSTOM_SCORE,
1655     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1656     MIN_SCORE,                          MAX_SCORE,
1657     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1658     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1659     &custom_element.collect_score_initial,
1660     NULL,                               "CE score", " "
1661   },
1662   {
1663     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1664     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1665     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1666     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1667     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1668     &custom_element.collect_count_initial,
1669     NULL,                               "CE count", NULL
1670   },
1671   {
1672     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1673     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1674     0,                                  9999,
1675     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1676     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1677     &custom_element.ce_value_fixed_initial,
1678     NULL,                               "CE value", NULL
1679   },
1680   {
1681     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1682     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1683     0,                                  9999,
1684     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1685     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1686     &custom_element.ce_value_random_initial,
1687     NULL,                               "+random", NULL
1688   },
1689   {
1690     ED_COUNTER_ID_PUSH_DELAY_FIX,
1691     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1692     0,                                  999,
1693     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1694     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1695     &custom_element.push_delay_fixed,
1696     NULL,                               "push delay", NULL
1697   },
1698   {
1699     ED_COUNTER_ID_PUSH_DELAY_RND,
1700     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1701     0,                                  999,
1702     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1703     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1704     &custom_element.push_delay_random,
1705     NULL,                               "+random", NULL
1706   },
1707   {
1708     ED_COUNTER_ID_DROP_DELAY_FIX,
1709     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1710     0,                                  999,
1711     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1712     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1713     &custom_element.drop_delay_fixed,
1714     NULL,                               "drop delay", NULL
1715   },
1716   {
1717     ED_COUNTER_ID_DROP_DELAY_RND,
1718     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1719     0,                                  999,
1720     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1721     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1722     &custom_element.drop_delay_random,
1723     NULL,                               "+random", NULL
1724   },
1725
1726   // ---------- element settings: configure 2 (custom elements) ---------------
1727
1728   {
1729     ED_COUNTER_ID_MOVE_DELAY_FIX,
1730     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1731     0,                                  999,
1732     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1733     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1734     &custom_element.move_delay_fixed,
1735     NULL,                               "move delay", NULL
1736   },
1737   {
1738     ED_COUNTER_ID_MOVE_DELAY_RND,
1739     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1740     0,                                  999,
1741     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1742     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1743     &custom_element.move_delay_random,
1744     NULL,                               "+random", NULL
1745   },
1746   {
1747     ED_COUNTER_ID_STEP_DELAY_FIX,
1748     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1749     0,                                  999,
1750     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1751     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1752     &custom_element.step_delay_fixed,
1753     NULL,                               "step delay", NULL
1754   },
1755   {
1756     ED_COUNTER_ID_STEP_DELAY_RND,
1757     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1758     0,                                  999,
1759     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1760     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1761     &custom_element.step_delay_random,
1762     NULL,                               "+random", NULL
1763   },
1764   {
1765     ED_COUNTER_ID_EXPLOSION_DELAY,
1766     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1767     0,                                  999,
1768     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1769     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1770     &custom_element.explosion_delay,
1771     NULL,                               "explosion delay", NULL
1772   },
1773   {
1774     ED_COUNTER_ID_IGNITION_DELAY,
1775     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1776     0,                                  999,
1777     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1778     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1779     &custom_element.ignition_delay,
1780     NULL,                               "ignition delay", "(by fire)"
1781   },
1782
1783   // ---------- element settings: configure (group elements) ------------------
1784
1785   {
1786     ED_COUNTER_ID_GROUP_CONTENT,
1787     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1788     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1789     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1790     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1791     &group_element_info.num_elements,
1792     NULL,                               NULL, "number of elements in group"
1793   },
1794
1795   // ---------- element settings: advanced (custom elements) ------------------
1796
1797   {
1798     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1799     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1800     0,                                  999,
1801     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1802     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1803     &custom_element_change.delay_fixed,
1804     NULL,                               "CE delay", NULL,
1805   },
1806   {
1807     ED_COUNTER_ID_CHANGE_DELAY_RND,
1808     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1809     0,                                  999,
1810     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1811     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1812     &custom_element_change.delay_random,
1813     NULL,                               "+random", NULL
1814   },
1815   {
1816     ED_COUNTER_ID_CHANGE_CONT_RND,
1817     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1818     0,                                  100,
1819     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1820     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1821     &custom_element_change.random_percentage,
1822     NULL,                               "use random replace:", "%"
1823   },
1824 };
1825
1826 static struct
1827 {
1828   int gadget_type_id;
1829   int x, y;
1830   int gadget_id;
1831   int size;
1832   char *value;
1833   char *text_above, *infotext;
1834 } textinput_info[ED_NUM_TEXTINPUT] =
1835 {
1836   {
1837     ED_TEXTINPUT_ID_LEVEL_NAME,
1838     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1839     GADGET_ID_LEVEL_NAME,
1840     MAX_LEVEL_NAME_LEN,
1841     level.name,
1842     "Title:", "Title for this level"
1843   },
1844   {
1845     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1846     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1847     GADGET_ID_LEVEL_AUTHOR,
1848     MAX_LEVEL_AUTHOR_LEN,
1849     level.author,
1850     "Author:", "Author for this level"
1851   },
1852   {
1853     ED_TEXTINPUT_ID_LEVELSET_NAME,
1854     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1855     GADGET_ID_LEVELSET_NAME,
1856     MAX_LEVEL_NAME_LEN,
1857     levelset_name,
1858     "Title:", "Title for this or new level set"
1859   },
1860   {
1861     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1862     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1863     GADGET_ID_LEVELSET_AUTHOR,
1864     MAX_LEVEL_AUTHOR_LEN,
1865     levelset_author,
1866     "Author:", "Author for this or new level set"
1867   },
1868   {
1869     ED_TEXTINPUT_ID_ELEMENT_NAME,
1870     -1, -1,     // these values are not constant, but can change at runtime
1871     GADGET_ID_ELEMENT_NAME,
1872     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1873     custom_element.description,
1874     NULL, "Element name"
1875   }
1876 };
1877
1878 static struct
1879 {
1880   int gadget_type_id;
1881   int x, y;
1882   int gadget_id;
1883   int xsize, ysize;
1884   char *value;
1885   char *text_above, *text_above_cropped, *infotext;
1886 } textarea_info[ED_NUM_TEXTAREAS] =
1887 {
1888   {
1889     ED_TEXTAREA_ID_ENVELOPE_INFO,
1890     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1891     GADGET_ID_ENVELOPE_INFO,
1892     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1893     NULL,
1894     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
1895   }
1896 };
1897
1898 static struct ValueTextInfo options_time_or_steps[] =
1899 {
1900   { 0,                          "seconds"                       },
1901   { 1,                          "steps"                         },
1902
1903   { -1,                         NULL                            }
1904 };
1905
1906 static struct ValueTextInfo options_time_score_base[] =
1907 {
1908   { 1,                          "per second/step"               },
1909   { 10,                         "per 10 seconds/steps"          },
1910
1911   { -1,                         NULL                            }
1912 };
1913
1914 static struct ValueTextInfo options_game_engine_type[] =
1915 {
1916   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1917   { GAME_ENGINE_TYPE_BD,        "Boulder Dash"                  },
1918   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1919   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1920   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1921
1922   { -1,                         NULL                            }
1923 };
1924
1925 static struct ValueTextInfo options_levelset_save_mode[] =
1926 {
1927   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1928   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1929
1930   { -1,                         NULL                            }
1931 };
1932
1933 static struct ValueTextInfo options_wind_direction[] =
1934 {
1935   { MV_START_NONE,              "none"                          },
1936   { MV_START_LEFT,              "left"                          },
1937   { MV_START_RIGHT,             "right"                         },
1938   { MV_START_UP,                "up"                            },
1939   { MV_START_DOWN,              "down"                          },
1940
1941   { -1,                         NULL                            }
1942 };
1943
1944 static struct ValueTextInfo options_player_speed[] =
1945 {
1946   { 0,                          "frozen"                        },
1947   { 1,                          "very slow"                     },
1948   { 2,                          "slow"                          },
1949   { 4,                          "normal"                        },
1950   { 8,                          "fast"                          },
1951   { 16,                         "very fast"                     },
1952   { 32,                         "ultrafast"                     },
1953
1954   { -1,                         NULL                            }
1955 };
1956
1957 static struct ValueTextInfo options_access_type[] =
1958 {
1959   { EP_WALKABLE,                "walkable"                      },
1960   { EP_PASSABLE,                "passable"                      },
1961
1962   { -1,                         NULL                            }
1963 };
1964
1965 static struct ValueTextInfo options_access_layer[] =
1966 {
1967   { EP_ACCESSIBLE_OVER,         "over"                          },
1968   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1969   { EP_ACCESSIBLE_UNDER,        "under"                         },
1970
1971   { -1,                         NULL                            }
1972 };
1973
1974 static struct ValueTextInfo options_access_protected[] =
1975 {
1976   { 0,                          "unprotected"                   },
1977   { 1,                          "protected"                     },
1978
1979   { -1,                         NULL                            }
1980 };
1981
1982 static struct ValueTextInfo options_access_direction[] =
1983 {
1984   { MV_NO_DIRECTION,            "no direction"                  },
1985   { MV_LEFT,                    "left"                          },
1986   { MV_RIGHT,                   "right"                         },
1987   { MV_UP,                      "up"                            },
1988   { MV_DOWN,                    "down"                          },
1989   { MV_LEFT  | MV_UP,           "left + up"                     },
1990   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1991   { MV_RIGHT | MV_UP,           "right + up"                    },
1992   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1993   { MV_HORIZONTAL,              "horizontal"                    },
1994   { MV_VERTICAL,                "vertical"                      },
1995   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1996   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1997   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1998   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1999   { MV_ALL_DIRECTIONS,          "all directions"                },
2000
2001   { -1,                         NULL                            }
2002 };
2003
2004 static struct ValueTextInfo options_walk_to_action[] =
2005 {
2006   { EP_DIGGABLE,                "diggable"                      },
2007   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
2008   { EP_DROPPABLE,               "collectible & droppable"       },
2009   { EP_THROWABLE,               "collectible & throwable"       },
2010   { EP_PUSHABLE,                "pushable"                      },
2011
2012   { -1,                         NULL                            }
2013 };
2014
2015 static struct ValueTextInfo options_move_pattern[] =
2016 {
2017   { MV_LEFT,                    "left"                          },
2018   { MV_RIGHT,                   "right"                         },
2019   { MV_UP,                      "up"                            },
2020   { MV_DOWN,                    "down"                          },
2021   { MV_HORIZONTAL,              "horizontal"                    },
2022   { MV_VERTICAL,                "vertical"                      },
2023   { MV_ALL_DIRECTIONS,          "all directions"                },
2024   { MV_WIND_DIRECTION,          "wind direction"                },
2025   { MV_TOWARDS_PLAYER,          "towards player"                },
2026   { MV_AWAY_FROM_PLAYER,        "away from player"              },
2027   { MV_ALONG_LEFT_SIDE,         "along left side"               },
2028   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
2029   { MV_TURNING_LEFT,            "turning left"                  },
2030   { MV_TURNING_RIGHT,           "turning right"                 },
2031   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
2032   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
2033   { MV_TURNING_RANDOM,          "turning random"                },
2034   { MV_MAZE_RUNNER,             "maze runner style"             },
2035   { MV_MAZE_HUNTER,             "maze hunter style"             },
2036   { MV_WHEN_PUSHED,             "when pushed"                   },
2037   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
2038
2039   { -1,                         NULL                            }
2040 };
2041
2042 static struct ValueTextInfo options_move_direction[] =
2043 {
2044   { MV_START_AUTOMATIC,         "automatic"                     },
2045   { MV_START_LEFT,              "left"                          },
2046   { MV_START_RIGHT,             "right"                         },
2047   { MV_START_UP,                "up"                            },
2048   { MV_START_DOWN,              "down"                          },
2049   { MV_START_RANDOM,            "random"                        },
2050   { MV_START_PREVIOUS,          "previous"                      },
2051
2052   { -1,                         NULL                            }
2053 };
2054
2055 static struct ValueTextInfo options_move_stepsize[] =
2056 {
2057   { 0,                          "not moving"                    },
2058   { 1,                          "very slow"                     },
2059   { 2,                          "slow"                          },
2060   { 4,                          "normal"                        },
2061   { 8,                          "fast"                          },
2062   { 16,                         "very fast"                     },
2063   { 32,                         "even faster"                   },
2064
2065   { -1,                         NULL                            }
2066 };
2067
2068 static struct ValueTextInfo options_move_leave_type[] =
2069 {
2070   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
2071   { LEAVE_TYPE_LIMITED,         "change it to"                  },
2072
2073   { -1,                         NULL                            }
2074 };
2075
2076 static struct ValueTextInfo options_smash_targets[] =
2077 {
2078   { EP_CAN_SMASH_PLAYER,        "player"                        },
2079 #if 0
2080   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
2081 #endif
2082   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
2083
2084   { -1,                         NULL                            }
2085 };
2086
2087 static struct ValueTextInfo options_slippery_type[] =
2088 {
2089   { SLIPPERY_ANY_RANDOM,        "random"                        },
2090   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
2091   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
2092   { SLIPPERY_ONLY_LEFT,         "only left"                     },
2093   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
2094
2095   { -1,                         NULL                            }
2096 };
2097
2098 static struct ValueTextInfo options_deadliness[] =
2099 {
2100   { EP_DONT_RUN_INTO,           "running into"                  },
2101   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
2102   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
2103   { EP_DONT_TOUCH,              "touching"                      },
2104
2105   { -1,                         NULL                            }
2106 };
2107
2108 static struct ValueTextInfo options_explosion_type[] =
2109 {
2110   { EXPLODES_3X3,               "3x3"                           },
2111   { EXPLODES_CROSS,             "3+3"                           },
2112   { EXPLODES_1X1,               "1x1"                           },
2113
2114   { -1,                         NULL                            }
2115 };
2116
2117 static struct ValueTextInfo options_time_units[] =
2118 {
2119   { 1,                          "frames"                        },
2120   { FRAMES_PER_SECOND,          "seconds"                       },
2121
2122   { -1,                         NULL                            }
2123 };
2124
2125 static struct ValueTextInfo options_change_direct_action[] =
2126 {
2127   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2128   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2129   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2130   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2131   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2132   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2133   { CE_LEFT_BY_PLAYER,          "left by player"                },
2134   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2135   { CE_SWITCHED,                "switched"                      },
2136   { CE_HITTING_SOMETHING,       "hitting something"             },
2137   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2138 #if 0
2139   { CE_BLOCKED,                 "blocked"                       },
2140 #endif
2141   { CE_IMPACT,                  "impact (on something)"         },
2142   { CE_SMASHED,                 "smashed (from above)"          },
2143 #if 0
2144   { CE_VALUE_CHANGES,           "CE value changes"              },
2145   { CE_SCORE_CHANGES,           "CE score changes"              },
2146 #endif
2147   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2148   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2149   { CE_UNDEFINED,               " "                             },
2150   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2151   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2152   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2153   { CE_UNDEFINED,               " "                             },
2154   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2155   { CE_NEXT_TO_PLAYER,          "next to player"                },
2156
2157   { -1,                         NULL                            }
2158 };
2159
2160 static struct ValueTextInfo options_change_other_action[] =
2161 {
2162   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2163   { CE_PLAYER_PRESSES_X,        "player presses"                },
2164   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2165   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2166   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2167   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2168   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2169   { CE_PLAYER_DIGS_X,           "player digs"                   },
2170   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2171   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2172   { CE_TOUCHING_X,              "touching"                      },
2173   { CE_HITTING_X,               "hitting"                       },
2174   { CE_DIGGING_X,               "digging"                       },
2175   { CE_HIT_BY_X,                "hit by"                        },
2176   { CE_SWITCH_OF_X,             "switch of"                     },
2177   { CE_CHANGE_OF_X,             "change by page of"             },
2178   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2179   { CE_MOVE_OF_X,               "move of"                       },
2180   { CE_CREATION_OF_X,           "creation of"                   },
2181   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2182   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2183   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2184   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2185   { CE_UNDEFINED,               " "                             },
2186   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2187   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2188   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2189   { CE_UNDEFINED,               " "                             },
2190   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2191   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2192   { CE_NEXT_TO_X,               "next to"                       },
2193
2194   { -1,                         NULL                            }
2195 };
2196
2197 static struct ValueTextInfo options_change_trigger_side[] =
2198 {
2199   { CH_SIDE_LEFT,               "left"                          },
2200   { CH_SIDE_RIGHT,              "right"                         },
2201   { CH_SIDE_TOP,                "top"                           },
2202   { CH_SIDE_BOTTOM,             "bottom"                        },
2203   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2204   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2205   { CH_SIDE_ANY,                "any"                           },
2206
2207   { -1,                         NULL                            }
2208 };
2209
2210 static struct ValueTextInfo options_change_trigger_player[] =
2211 {
2212   { CH_PLAYER_1,                "1"                             },
2213   { CH_PLAYER_2,                "2"                             },
2214   { CH_PLAYER_3,                "3"                             },
2215   { CH_PLAYER_4,                "4"                             },
2216   { CH_PLAYER_ANY,              "any"                           },
2217
2218   { -1,                         NULL                            }
2219 };
2220
2221 static struct ValueTextInfo options_change_trigger_page[] =
2222 {
2223   { (1u << 0),                  "1"                             },
2224   { (1u << 1),                  "2"                             },
2225   { (1u << 2),                  "3"                             },
2226   { (1u << 3),                  "4"                             },
2227   { (1u << 4),                  "5"                             },
2228   { (1u << 5),                  "6"                             },
2229   { (1u << 6),                  "7"                             },
2230   { (1u << 7),                  "8"                             },
2231   { (1u << 8),                  "9"                             },
2232   { (1u << 9),                  "10"                            },
2233   { (1u << 10),                 "11"                            },
2234   { (1u << 11),                 "12"                            },
2235   { (1u << 12),                 "13"                            },
2236   { (1u << 13),                 "14"                            },
2237   { (1u << 14),                 "15"                            },
2238   { (1u << 15),                 "16"                            },
2239   { (1u << 16),                 "17"                            },
2240   { (1u << 17),                 "18"                            },
2241   { (1u << 18),                 "19"                            },
2242   { (1u << 19),                 "20"                            },
2243   { (1u << 20),                 "21"                            },
2244   { (1u << 21),                 "22"                            },
2245   { (1u << 22),                 "23"                            },
2246   { (1u << 23),                 "24"                            },
2247   { (1u << 24),                 "25"                            },
2248   { (1u << 25),                 "26"                            },
2249   { (1u << 26),                 "27"                            },
2250   { (1u << 27),                 "28"                            },
2251   { (1u << 28),                 "29"                            },
2252   { (1u << 29),                 "30"                            },
2253   { (1u << 30),                 "31"                            },
2254   { (1u << 31),                 "32"                            },
2255   { CH_PAGE_ANY,                "any"                           },
2256
2257   { -1,                         NULL                            }
2258 };
2259
2260 static struct ValueTextInfo options_change_replace_when[] =
2261 {
2262   { CP_WHEN_EMPTY,              "empty"                         },
2263   { CP_WHEN_WALKABLE,           "walkable"                      },
2264   { CP_WHEN_DIGGABLE,           "diggable"                      },
2265   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2266   { CP_WHEN_REMOVABLE,          "removable"                     },
2267   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2268
2269   { -1,                         NULL                            }
2270 };
2271
2272 static struct ValueTextInfo options_action_type[] =
2273 {
2274   { CA_NO_ACTION,               "no action"                     },
2275   { CA_UNDEFINED,               " "                             },
2276   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2277   { CA_RESTART_LEVEL,           "restart level"                 },
2278   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2279   { CA_SET_LEVEL_TIME,          "set time"                      },
2280   { CA_SET_LEVEL_SCORE,         "set score"                     },
2281   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2282   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2283   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2284   { CA_UNDEFINED,               " "                             },
2285   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2286   { CA_MOVE_PLAYER,             "move player"                   },
2287   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2288   { CA_EXIT_PLAYER,             "exit player"                   },
2289   { CA_KILL_PLAYER,             "kill player"                   },
2290   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2291   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2292   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2293   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2294   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2295   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2296   { CA_UNDEFINED,               " "                             },
2297   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2298   { CA_SET_CE_VALUE,            "set CE value"                  },
2299   { CA_SET_CE_SCORE,            "set CE score"                  },
2300   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2301   { CA_UNDEFINED,               " "                             },
2302   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2303   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2304
2305   { -1,                         NULL                            }
2306 };
2307
2308 static struct ValueTextInfo options_action_mode_none[] =
2309 {
2310   { CA_MODE_UNDEFINED,          " "                             },
2311
2312   { -1,                         NULL                            }
2313 };
2314
2315 static struct ValueTextInfo options_action_mode_assign[] =
2316 {
2317   { CA_MODE_SET,                "="                             },
2318
2319   { -1,                         NULL                            }
2320 };
2321
2322 static struct ValueTextInfo options_action_mode_add_remove[] =
2323 {
2324   { CA_MODE_ADD,                "+"                             },
2325   { CA_MODE_SUBTRACT,           "-"                             },
2326
2327   { -1,                         NULL                            }
2328 };
2329
2330 static struct ValueTextInfo options_action_mode_calculate[] =
2331 {
2332   { CA_MODE_SET,                "="                             },
2333   { CA_MODE_ADD,                "+"                             },
2334   { CA_MODE_SUBTRACT,           "-"                             },
2335   { CA_MODE_MULTIPLY,           "*"                             },
2336   { CA_MODE_DIVIDE,             "/"                             },
2337   { CA_MODE_MODULO,             "%"                             },
2338
2339   { -1,                         NULL                            }
2340 };
2341
2342 static struct ValueTextInfo options_action_arg_none[] =
2343 {
2344   { CA_ARG_UNDEFINED,           "         "                     },
2345
2346   { -1,                         NULL                            }
2347 };
2348
2349 static struct ValueTextInfo options_action_arg_player[] =
2350 {
2351   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2352   { CA_ARG_PLAYER_1,            "1"                             },
2353   { CA_ARG_PLAYER_2,            "2"                             },
2354   { CA_ARG_PLAYER_3,            "3"                             },
2355   { CA_ARG_PLAYER_4,            "4"                             },
2356   { CA_ARG_PLAYER_ANY,          "any"                           },
2357   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2358   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2359
2360   { -1,                         NULL                            }
2361 };
2362
2363 static struct ValueTextInfo options_action_arg_number[] =
2364 {
2365   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2366   { CA_ARG_0,                   "0"                             },
2367   { CA_ARG_1,                   "1"                             },
2368   { CA_ARG_2,                   "2"                             },
2369   { CA_ARG_3,                   "3"                             },
2370   { CA_ARG_4,                   "4"                             },
2371   { CA_ARG_5,                   "5"                             },
2372   { CA_ARG_10,                  "10"                            },
2373   { CA_ARG_100,                 "100"                           },
2374   { CA_ARG_1000,                "1000"                          },
2375   { CA_ARG_UNDEFINED,           " "                             },
2376   { CA_ARG_NUMBER_MIN,          "min"                           },
2377   { CA_ARG_NUMBER_MAX,          "max"                           },
2378   { CA_ARG_UNDEFINED,           " "                             },
2379   { CA_ARG_NUMBER_RESET,        "reset"                         },
2380   { CA_ARG_UNDEFINED,           " "                             },
2381   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2382   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2383   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2384   { CA_ARG_UNDEFINED,           " "                             },
2385   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2386   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2387   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2388   { CA_ARG_UNDEFINED,           " "                             },
2389   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2390   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2391   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2392   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2393   { CA_ARG_UNDEFINED,           " "                             },
2394   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2395   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2396   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2397   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2398
2399   { -1,                         NULL                            }
2400 };
2401
2402 static struct ValueTextInfo options_action_arg_value[] =
2403 {
2404   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2405   { CA_ARG_0,                   "0"                             },
2406   { CA_ARG_1,                   "1"                             },
2407   { CA_ARG_2,                   "2"                             },
2408   { CA_ARG_3,                   "3"                             },
2409   { CA_ARG_4,                   "4"                             },
2410   { CA_ARG_5,                   "5"                             },
2411   { CA_ARG_10,                  "10"                            },
2412   { CA_ARG_100,                 "100"                           },
2413   { CA_ARG_1000,                "1000"                          },
2414   { CA_ARG_UNDEFINED,           " "                             },
2415   { CA_ARG_NUMBER_MIN,          "min"                           },
2416   { CA_ARG_NUMBER_MAX,          "max"                           },
2417   { CA_ARG_UNDEFINED,           " "                             },
2418   { CA_ARG_NUMBER_RESET,        "reset"                         },
2419   { CA_ARG_UNDEFINED,           " "                             },
2420   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2421   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2422   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2423   { CA_ARG_UNDEFINED,           " "                             },
2424   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2425   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2426   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2427   { CA_ARG_UNDEFINED,           " "                             },
2428   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2429   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2430   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2431   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2432   { CA_ARG_UNDEFINED,           " "                             },
2433   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2434   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2435   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2436   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2437   { CA_ARG_UNDEFINED,           " "                             },
2438   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2439   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2440   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2441   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2442
2443   { -1,                         NULL                            }
2444 };
2445
2446 static struct ValueTextInfo options_action_arg_envelope[] =
2447 {
2448   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2449   { CA_ARG_1,                   "1"                             },
2450   { CA_ARG_2,                   "2"                             },
2451   { CA_ARG_3,                   "3"                             },
2452   { CA_ARG_4,                   "4"                             },
2453   { CA_ARG_UNDEFINED,           " "                             },
2454   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2455   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2456   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2457   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2458
2459   { -1,                         NULL                            }
2460 };
2461
2462 static struct ValueTextInfo options_action_arg_key[] =
2463 {
2464   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2465   { CA_ARG_1,                   "1"                             },
2466   { CA_ARG_2,                   "2"                             },
2467   { CA_ARG_3,                   "3"                             },
2468   { CA_ARG_4,                   "4"                             },
2469   { CA_ARG_5,                   "5"                             },
2470   { CA_ARG_6,                   "6"                             },
2471   { CA_ARG_7,                   "7"                             },
2472   { CA_ARG_8,                   "8"                             },
2473   { CA_ARG_UNDEFINED,           " "                             },
2474   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2475   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2476   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2477   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2478
2479   { -1,                         NULL                            }
2480 };
2481
2482 static struct ValueTextInfo options_action_arg_speed[] =
2483 {
2484   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2485   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2486   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2487   { CA_ARG_SPEED_SLOW,          "slow"                          },
2488   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2489   { CA_ARG_SPEED_FAST,          "fast"                          },
2490   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2491   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2492   { CA_ARG_UNDEFINED,           " "                             },
2493   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2494   { CA_ARG_SPEED_FASTER,        "faster"                        },
2495   { CA_ARG_UNDEFINED,           " "                             },
2496   { CA_ARG_SPEED_RESET,         "reset"                         },
2497
2498   { -1,                         NULL                            }
2499 };
2500
2501 static struct ValueTextInfo options_action_arg_shield[] =
2502 {
2503   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2504   { CA_ARG_SHIELD_OFF,          "off"                           },
2505   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2506   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2507
2508   { -1,                         NULL                            }
2509 };
2510
2511 static struct ValueTextInfo options_action_arg_artwork[] =
2512 {
2513   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2514   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2515   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2516   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2517   { CA_ARG_UNDEFINED,           " "                             },
2518   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2519
2520   { -1,                         NULL                            }
2521 };
2522
2523 static struct ValueTextInfo options_action_arg_gravity[] =
2524 {
2525   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2526   { CA_ARG_GRAVITY_ON,          "on"                            },
2527   { CA_ARG_GRAVITY_OFF,         "off"                           },
2528   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2529
2530   { -1,                         NULL                            }
2531 };
2532
2533 static struct ValueTextInfo options_action_arg_direction[] =
2534 {
2535   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2536   { CA_ARG_DIRECTION_NONE,      "none"                          },
2537   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2538   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2539   { CA_ARG_DIRECTION_UP,        "up"                            },
2540   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2541   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2542   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2543
2544   { -1,                         NULL                            }
2545 };
2546
2547 static struct ValueTextInfo options_action_arg_scan_mode[] =
2548 {
2549   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2550   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2551   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2552
2553   { -1,                         NULL                            }
2554 };
2555
2556 static struct ValueTextInfo options_action_arg_inventory[] =
2557 {
2558   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2559   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2560   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2561   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2562   { CA_ARG_UNDEFINED,           " "                             },
2563   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2564   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2565   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2566   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2567   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2568   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2569   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2570   { CA_ARG_UNDEFINED,           " "                             },
2571   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2572
2573   { -1,                         NULL                            }
2574 };
2575
2576 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2577 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2578 {
2579   { -1,                         NULL                            }
2580 };
2581
2582 static struct ValueTextInfo options_group_choice_mode[] =
2583 {
2584   { ANIM_RANDOM,                "random"                        },
2585   { ANIM_LOOP,                  "loop"                          },
2586   { ANIM_LINEAR,                "linear"                        },
2587   { ANIM_PINGPONG,              "pingpong"                      },
2588   { ANIM_PINGPONG2,             "pingpong 2"                    },
2589   { ANIM_LEVEL_NR,              "level number"                  },
2590
2591   { -1,                         NULL                            }
2592 };
2593
2594 static struct ValueTextInfo options_bd_scheduling_type[] =
2595 {
2596   { GD_SCHEDULING_MILLISECONDS,   "Milliseconds"                },
2597   { GD_SCHEDULING_BD1,            "BD1"                         },
2598   { GD_SCHEDULING_BD2,            "BD2"                         },
2599   { GD_SCHEDULING_PLCK,           "Construction Kit"            },
2600   { GD_SCHEDULING_CRDR,           "Crazy Dream 7"               },
2601   { GD_SCHEDULING_BD1_ATARI,      "Atari BD1"                   },
2602   { GD_SCHEDULING_BD2_PLCK_ATARI, "Atari BD2 / PLCK"            },
2603
2604   { -1,                           NULL                          }
2605 };
2606
2607 static struct ValueTextInfo *action_arg_modes[] =
2608 {
2609   options_action_mode_none,
2610   options_action_mode_assign,
2611   options_action_mode_add_remove,
2612   options_action_mode_calculate,
2613 };
2614
2615 static struct
2616 {
2617   int value;
2618   int mode;
2619   struct ValueTextInfo *options;
2620 }
2621 action_arg_options[] =
2622 {
2623   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2624   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2625   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2626   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2627   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2628   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2629   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2630   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2631   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2632   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2633   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2634   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2635   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2636   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2637   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2638   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2639   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2640   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2641   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2642   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2643   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2644   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2645
2646   { -1,                         FALSE,  NULL                            }
2647 };
2648
2649 static struct
2650 {
2651   int gadget_type_id;
2652   int x, y;
2653   int gadget_id;
2654   int gadget_id_align;
2655   int size;     // char size of selectbox or '-1' (dynamically determined)
2656   struct ValueTextInfo *options;
2657   int *value;
2658   char *text_above, *text_left, *text_right, *infotext;
2659 } selectbox_info[ED_NUM_SELECTBOX] =
2660 {
2661   // ---------- level and editor settings -------------------------------------
2662
2663   {
2664     ED_SELECTBOX_ID_TIME_OR_STEPS,
2665     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2666     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2667     -1,
2668     options_time_or_steps,
2669     &level.use_step_counter,
2670     NULL, NULL, "(0 => no limit)",      "time or step limit"
2671   },
2672   {
2673     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2674     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2675     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2676     -1,
2677     options_time_score_base,
2678     &level.time_score_base,
2679     NULL, NULL, NULL,                   "time score for 1 or 10 seconds/steps"
2680   },
2681   {
2682     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2683     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2684     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2685     -1,
2686     options_game_engine_type,
2687     &level.game_engine_type,
2688     NULL, "game engine:", NULL,         "game engine"
2689   },
2690   {
2691     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2692     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2693     GADGET_ID_BD_SCHEDULING_TYPE,       GADGET_ID_NONE,
2694     -1,
2695     options_bd_scheduling_type,
2696     &level.bd_scheduling_type,
2697     NULL, "scheduling type:", NULL,     "level timing"
2698   },
2699   {
2700     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2701     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2702     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2703     -1,
2704     options_levelset_save_mode,
2705     &levelset_save_mode,
2706     "Action:", NULL, NULL,              "action when saving level set"
2707   },
2708
2709   // ---------- element settings: configure (several elements) ----------------
2710
2711   {
2712     ED_SELECTBOX_ID_WIND_DIRECTION,
2713     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2714     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2715     -1,
2716     options_wind_direction,
2717     &level.wind_direction_initial,
2718     NULL, "initial wind direction:", NULL,      "initial wind direction"
2719   },
2720   {
2721     ED_SELECTBOX_ID_PLAYER_SPEED,
2722     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2723     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2724     -1,
2725     options_player_speed,
2726     &level.initial_player_stepsize[0],
2727     NULL, "initial player speed:", NULL,        "initial player speed"
2728   },
2729   {
2730     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2731     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2732     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2733     -1,
2734     options_group_choice_mode,
2735     &level.mm_ball_choice_mode,
2736     NULL, "choice type:", NULL,         "type of content choice"
2737   },
2738
2739   // ---------- element settings: configure 1 (custom elements) ---------------
2740
2741   {
2742     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2743     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2744     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2745     -1,
2746     options_access_type,
2747     &custom_element.access_type,
2748     NULL, NULL, NULL,                   "type of access to this field"
2749   },
2750   {
2751     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2752     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2753     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2754     -1,
2755     options_access_layer,
2756     &custom_element.access_layer,
2757     NULL, NULL, NULL,                   "layer of access for this field"
2758   },
2759   {
2760     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2761     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2762     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2763     -1,
2764     options_access_protected,
2765     &custom_element.access_protected,
2766     NULL, NULL, NULL,                   "protected access for this field"
2767   },
2768   {
2769     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2770     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2771     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2772     -1,
2773     options_access_direction,
2774     &custom_element.access_direction,
2775     NULL, "from", NULL,                 "access direction for this field"
2776   },
2777   {
2778     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2779     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2780     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2781     -1,
2782     options_walk_to_action,
2783     &custom_element.walk_to_action,
2784     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2785   },
2786
2787   // ---------- element settings: configure 2 (custom elements) ---------------
2788
2789   {
2790     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2791     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2792     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2793     -1,
2794     options_move_pattern,
2795     &custom_element.move_pattern,
2796     NULL, "can move", NULL,             "element move pattern"
2797   },
2798   {
2799     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2800     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2801     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2802     -1,
2803     options_move_direction,
2804     &custom_element.move_direction_initial,
2805     NULL, "starts moving", NULL,        "initial element move direction"
2806   },
2807   {
2808     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2809     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2810     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2811     -1,
2812     options_move_stepsize,
2813     &custom_element.move_stepsize,
2814     NULL, "move/fall speed", NULL,      "speed of element movement"
2815   },
2816   {
2817     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2818     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2819     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2820     -1,
2821     options_move_leave_type,
2822     &custom_element.move_leave_type,
2823     // left text with leading spaces to place gadget next to "can dig" gadget
2824     // (needed because drawing area gadgets created after selectbox gadgets)
2825     // NULL, "can dig:    can", ":",    "leave behind or change element"
2826     NULL, "            can", ":",       "leave behind or change element"
2827   },
2828   {
2829     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2830     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2831     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2832     -1,
2833     options_smash_targets,
2834     &custom_element.smash_targets,
2835     NULL, "can smash", NULL,            "elements that can be smashed"
2836   },
2837   {
2838     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2839     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2840     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2841     -1,
2842     options_slippery_type,
2843     &custom_element.slippery_type,
2844     NULL, "slippery", NULL,             "where other elements fall down"
2845   },
2846   {
2847     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2848     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2849     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2850     -1,
2851     options_deadliness,
2852     &custom_element.deadliness,
2853     NULL, "deadly when", NULL,          "deadliness of element"
2854   },
2855   {
2856     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
2857     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2858     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2859     -1,
2860     options_explosion_type,
2861     &custom_element.explosion_type,
2862     NULL, "can explode", NULL,          "explosion type"
2863   },
2864
2865   // ---------- element settings: advanced (custom elements) ------------------
2866
2867   {
2868     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
2869     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2870     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2871     -1,
2872     options_time_units,
2873     &custom_element_change.delay_frames,
2874     NULL, "delay time given in", NULL,  "delay time units for change"
2875   },
2876   {
2877     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
2878     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2879     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2880     -1,
2881     options_change_direct_action,
2882     &custom_element_change.direct_action,
2883     NULL, NULL, NULL,                   "type of direct action"
2884   },
2885   {
2886     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
2887     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2888     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2889     -1,
2890     options_change_other_action,
2891     &custom_element_change.other_action,
2892     NULL, NULL, "element:",             "type of other element action"
2893   },
2894   {
2895     ED_SELECTBOX_ID_CHANGE_SIDE,
2896     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2897     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2898     -1,
2899     options_change_trigger_side,
2900     &custom_element_change.trigger_side,
2901     NULL, "at", "side",                 "element side triggering change"
2902   },
2903   {
2904     ED_SELECTBOX_ID_CHANGE_PLAYER,
2905     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2906     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2907     -1,
2908     options_change_trigger_player,
2909     &custom_element_change.trigger_player,
2910     NULL, "player:", " ",               "player that causes change"
2911   },
2912   {
2913     ED_SELECTBOX_ID_CHANGE_PAGE,
2914     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2915     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2916     -1,
2917     options_change_trigger_page,
2918     &custom_element_change.trigger_page,
2919     NULL, "page:", NULL,                "change page that causes change"
2920   },
2921   {
2922     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
2923     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2924     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2925     -1,
2926     options_change_replace_when,
2927     &custom_element_change.replace_when,
2928     NULL, "replace when", NULL,         "which elements can be replaced"
2929   },
2930   {
2931     ED_SELECTBOX_ID_ACTION_TYPE,
2932     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2933     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2934     15,
2935     options_action_type,
2936     &custom_element_change.action_type,
2937     NULL, NULL, NULL,                   "action on specified condition"
2938   },
2939   {
2940     ED_SELECTBOX_ID_ACTION_MODE,
2941     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2942     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2943     -1,
2944     options_action_mode_none,
2945     &custom_element_change.action_mode,
2946     NULL, NULL, NULL,                   "action operator"
2947   },
2948   {
2949     ED_SELECTBOX_ID_ACTION_ARG,
2950     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2951     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2952     -1,
2953     options_action_arg_none,
2954     &custom_element_change.action_arg,
2955     NULL, NULL, NULL,                   "action parameter"
2956   },
2957   {
2958     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
2959     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2960     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2961     3,
2962     options_change_page,
2963     &custom_element.current_change_page,
2964     NULL, NULL, NULL,                   "element change page"
2965   },
2966
2967   // ---------- element settings: configure (group elements) ------------------
2968
2969   {
2970     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
2971     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2972     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2973     -1,
2974     options_group_choice_mode,
2975     &group_element_info.choice_mode,
2976     NULL, "choice type:", NULL,         "type of group element choice"
2977   },
2978 };
2979
2980 static struct
2981 {
2982   int gadget_type_id;
2983   int x, y;
2984   int gadget_id;
2985   int gadget_id_align;
2986   int size;
2987   char *text;
2988   char *text_above, *text_left, *text_right, *infotext;
2989 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2990 {
2991   // ---------- level and editor settings (tabs) ------------------------------
2992
2993   {
2994     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
2995     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2996     GADGET_ID_LEVELCONFIG_LEVEL,        GADGET_ID_NONE,
2997     8,                                  "Level",
2998     NULL, NULL, NULL,                   "Configure level settings"
2999   },
3000   {
3001     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3002     -1,                                 -1,
3003     GADGET_ID_LEVELCONFIG_LEVELSET,     GADGET_ID_LEVELCONFIG_LEVEL,
3004     8,                                  "Levelset",
3005     NULL, NULL, NULL,                   "Update this or create new level set"
3006   },
3007   {
3008     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3009     -1,                                 -1,
3010     GADGET_ID_LEVELCONFIG_EDITOR,       GADGET_ID_LEVELCONFIG_LEVELSET,
3011     8,                                  "Editor",
3012     NULL, NULL, NULL,                   "Configure editor settings"
3013   },
3014   {
3015     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3016     -1,                                 -1,
3017     GADGET_ID_LEVELCONFIG_ENGINE,       GADGET_ID_LEVELCONFIG_EDITOR,
3018     8,                                  "Engine",
3019     NULL, NULL, NULL,                   "Configure engine settings"
3020   },
3021
3022   // ---------- element settings (tabs) ---------------------------------------
3023
3024   {
3025     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3026     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
3027     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
3028     8,                                  "Info",
3029     NULL, NULL, NULL,                   "Show information about element"
3030   },
3031   {
3032     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3033     -1,                                 -1,
3034     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
3035     8,                                  "Config",
3036     NULL, NULL, NULL,                   "Configure element properties"
3037   },
3038   {
3039     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3040     -1,                                 -1,
3041     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
3042     8,                                  "Config 1",
3043     NULL, NULL, NULL,                   "Configure element properties, part 1"
3044   },
3045   {
3046     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3047     -1,                                 -1,
3048     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
3049     8,                                  "Config 2",
3050     NULL, NULL, NULL,                   "Configure element properties, part 2"
3051   },
3052   {
3053     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3054     -1,                                 -1,
3055     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
3056     8,                                  "Change",
3057     NULL, NULL, NULL,                   "Configure custom element change pages"
3058   },
3059
3060   // ---------- level and editor settings (buttons) ---------------------------
3061
3062   {
3063     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3064     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
3065     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
3066     -1,                                 "Save",
3067     NULL, NULL, NULL,                   "Update or create level set"
3068   },
3069   {
3070     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3071     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3072     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
3073     -1,                                 "Save",
3074     NULL, NULL,                         "this level as level template",
3075     "Save current settings as new template"
3076   },
3077
3078   // ---------- element settings (buttons) ------------------------------------
3079
3080   {
3081     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3082     -1,                                 -1,
3083     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3084     -1,                                 "Save",
3085     NULL, " ",                          "As Template",
3086     "Save current settings as new template"
3087   },
3088   {
3089     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3090     -1,                                 -1,
3091     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
3092     -1,                                 "New",
3093     NULL, NULL, NULL,                   "Add new change page"
3094   },
3095   {
3096     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3097     -1,                                 -1,
3098     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
3099     -1,                                 "Delete",
3100     NULL, NULL, NULL,                   "Delete current change page"
3101   },
3102 };
3103
3104 static struct
3105 {
3106   int gadget_type_id;
3107   int graphic;
3108   int x, y;
3109   int gadget_id;
3110   int gadget_id_align;
3111   char *text_left, *text_right, *infotext;
3112 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3113 {
3114   {
3115     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3116     IMG_EDITOR_COUNTER_DOWN,
3117     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3118     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
3119     NULL, NULL,                         "select previous change page"
3120   },
3121   {
3122     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3123     IMG_EDITOR_COUNTER_UP,
3124     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3125     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
3126     NULL, "change page",                "select next change page"
3127   },
3128   {
3129     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3130     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3131     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3132     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
3133     " ", NULL,                          "copy settings from this change page"
3134   },
3135   {
3136     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3137     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3138     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3139     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
3140     NULL, NULL,                         "paste settings to this change page"
3141   },
3142 };
3143
3144 static struct
3145 {
3146   int x, y;
3147 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3148
3149 static struct
3150 {
3151   int gadget_type_id;
3152   int graphic;
3153   int gadget_id;
3154   char *infotext;
3155 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3156 {
3157   {
3158     ED_SCROLLBUTTON_ID_AREA_UP,
3159     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3160     GADGET_ID_SCROLL_UP,
3161     "scroll level editing area up"
3162   },
3163   {
3164     ED_SCROLLBUTTON_ID_AREA_DOWN,
3165     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3166     GADGET_ID_SCROLL_DOWN,
3167     "scroll level editing area down"
3168   },
3169   {
3170     ED_SCROLLBUTTON_ID_AREA_LEFT,
3171     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3172     GADGET_ID_SCROLL_LEFT,
3173     "scroll level editing area left"
3174   },
3175   {
3176     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3177     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3178     GADGET_ID_SCROLL_RIGHT,
3179     "scroll level editing area right"
3180   },
3181   {
3182     ED_SCROLLBUTTON_ID_LIST_UP,
3183     IMG_EDITOR_PALETTE_SCROLL_UP,
3184     GADGET_ID_SCROLL_LIST_UP,
3185     "scroll element list up ('Page Up')"
3186   },
3187   {
3188     ED_SCROLLBUTTON_ID_LIST_DOWN,
3189     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3190     GADGET_ID_SCROLL_LIST_DOWN,
3191     "scroll element list down ('Page Down')"
3192   },
3193 };
3194
3195 static struct
3196 {
3197   int x, y;
3198   int width, height;
3199   int wheel_x, wheel_y;
3200   int wheel_width, wheel_height;
3201 } scrollbar_pos[ED_NUM_SCROLLBARS];
3202
3203 static struct
3204 {
3205   int gadget_type_id;
3206   int graphic;
3207   int type;
3208   int gadget_id;
3209   char *infotext;
3210 } scrollbar_info[ED_NUM_SCROLLBARS] =
3211 {
3212   {
3213     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3214     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3215     GD_TYPE_SCROLLBAR_HORIZONTAL,
3216     GADGET_ID_SCROLL_HORIZONTAL,
3217     "scroll level editing area horizontally"
3218   },
3219   {
3220     ED_SCROLLBAR_ID_AREA_VERTICAL,
3221     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3222     GD_TYPE_SCROLLBAR_VERTICAL,
3223     GADGET_ID_SCROLL_VERTICAL,
3224     "scroll level editing area vertically"
3225   },
3226   {
3227     ED_SCROLLBAR_ID_LIST_VERTICAL,
3228     IMG_EDITOR_PALETTE_SCROLLBAR,
3229     GD_TYPE_SCROLLBAR_VERTICAL,
3230     GADGET_ID_SCROLL_LIST_VERTICAL,
3231     "scroll element list vertically"
3232   }
3233 };
3234
3235
3236 static struct
3237 {
3238   int gadget_type_id;
3239   int x, y;
3240   int gadget_id;
3241   int gadget_id_align;
3242   int radio_button_nr;
3243   int *value;
3244   int checked_value;
3245   char *text_left, *text_right, *infotext;
3246 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3247 {
3248   {
3249     ED_RADIOBUTTON_ID_PERCENTAGE,
3250     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3251     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3252     RADIO_NR_RANDOM_ELEMENTS,
3253     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3254     " ", "percentage",                  "use percentage for random elements"
3255   },
3256   {
3257     ED_RADIOBUTTON_ID_QUANTITY,
3258     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3259     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3260     RADIO_NR_RANDOM_ELEMENTS,
3261     &random_placement_method,           RANDOM_USE_QUANTITY,
3262     " ", "quantity",                    "use quantity for random elements"
3263   }
3264 };
3265
3266 static struct
3267 {
3268   int gadget_type_id;
3269   int x, y;
3270   int gadget_id;
3271   int gadget_id_align;
3272   boolean *value;
3273   char *text_above, *text_left, *text_right, *infotext;
3274 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3275 {
3276   // ---------- level and editor settings -------------------------------------
3277
3278   {
3279     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3280     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3281     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3282     &level.auto_count_gems,
3283     NULL, NULL,
3284     "automatically count gems needed",  "set counter to number of gems"
3285   },
3286   {
3287     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3288     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3289     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3290     &level.rate_time_over_score,
3291     NULL, NULL,
3292     "rate time/steps used over score",  "sort high scores by playing time/steps"
3293   },
3294   {
3295     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3296     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3297     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3298     &levelset_use_levelset_artwork,
3299     NULL, NULL,
3300     "use current custom artwork",       "use custom artwork of this level set"
3301   },
3302   {
3303     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3304     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3305     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3306     &levelset_copy_level_template,
3307     NULL, NULL,
3308     "copy current level template",      "copy level template of this level set"
3309   },
3310   {
3311     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3312     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3313     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3314     &random_placement_background_restricted,
3315     NULL, NULL,
3316     "restrict random placement to:",    "set random placement restriction"
3317   },
3318   {
3319     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3320     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3321     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3322     &setup.editor.use_template_for_new_levels,
3323     "Template for new levels and CE/GE:", NULL,
3324     "use template for new levels",      "use template for level properties"
3325   },
3326   {
3327     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3328     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3329     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3330     &level.use_custom_template,
3331     NULL, NULL,
3332     "use template for custom elements", "use template for custom properties"
3333   },
3334   {
3335     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3336     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
3337     GADGET_ID_BD_INTERMISSION,          GADGET_ID_NONE,
3338     &level.bd_intermission,
3339     "Boulder Dash game engine settings:", NULL,
3340     "intermission",                     "level is an intermission level"
3341   },
3342   {
3343     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3344     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
3345     GADGET_ID_BD_PAL_TIMING,            GADGET_ID_NONE,
3346     &level.bd_pal_timing,
3347     NULL, NULL,
3348     "PAL timing",                       "use slower timer (like PAL C64)"
3349   },
3350   {
3351     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3352     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3353     GADGET_ID_BD_LINE_SHIFTING_BORDERS, GADGET_ID_NONE,
3354     &level.bd_line_shifting_borders,
3355     "Compatibility settings:", NULL,
3356     "line-shifting borders",            "use line-shifting wrap-around"
3357   },
3358   {
3359     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3360     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3361     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW, GADGET_ID_NONE,
3362     &level.bd_scan_first_and_last_row,
3363     NULL, NULL,
3364     "scan first and last row",          "also process top/bottom border rows"
3365   },
3366
3367   // ---------- element settings: configure (various elements) ----------------
3368
3369   {
3370     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3371     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3372     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3373     &stick_element_properties_window,
3374     NULL, NULL,
3375     "stick this screen to edit content","stick this screen to edit content"
3376   },
3377   {
3378     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3379     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3380     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3381     &level.em_slippery_gems,
3382     NULL, NULL,
3383     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3384   },
3385   {
3386     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3387     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3388     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3389     &level.em_explodes_by_fire,
3390     NULL, NULL,
3391     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3392   },
3393   {
3394     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3395     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3396     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3397     &level.use_spring_bug,
3398     NULL, NULL,
3399     "use spring pushing bug",           "use odd spring pushing behaviour"
3400   },
3401   {
3402     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3403     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3404     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3405     &level.use_time_orb_bug,
3406     NULL, NULL,
3407     "use time orb bug",                 "use odd time orb behaviour"
3408   },
3409   {
3410     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3411     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3412     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3413     &level.use_life_bugs,
3414     NULL, NULL,
3415     "use buggy element behaviour",      "use odd (historic) element behaviour"
3416   },
3417   {
3418     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3419     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3420     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3421     &level.ball_random,
3422     NULL, NULL,
3423     "create single random element",     "only create one element from content"
3424   },
3425   {
3426     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3427     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3428     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3429     &level.ball_active_initial,
3430     NULL, NULL,
3431     "magic ball initially activated",   "activate magic ball after level start"
3432   },
3433   {
3434     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3435     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3436     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3437     &level.grow_into_diggable,
3438     NULL, NULL,
3439     "can grow into anything diggable",  "grow into more than just sand"
3440   },
3441   {
3442     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3443     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3444     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3445     &level.sb_fields_needed,
3446     NULL, NULL,
3447     "all fields need to be filled",     "require all SB fields to be solved"
3448   },
3449   {
3450     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3451     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3452     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3453     &level.sb_objects_needed,
3454     NULL, NULL,
3455     "all objects need to be placed",    "require all SB objects to be solved"
3456   },
3457   {
3458     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3459     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3460     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3461     &level.auto_exit_sokoban,
3462     NULL, NULL,
3463     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3464   },
3465   {
3466     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3467     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3468     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3469     &level.solved_by_one_player,
3470     NULL, NULL,
3471     "only one player must enter exit",  "level solved by first player in exit"
3472   },
3473   {
3474     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3475     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3476     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3477     &level.finish_dig_collect,
3478     NULL, NULL,
3479     "CE action on finished dig/collect", "only finished dig/collect triggers CE"
3480   },
3481   {
3482     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3483     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3484     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3485     &level.keep_walkable_ce,
3486     NULL, NULL,
3487     "keep walkable CE changed to player", "keep CE changing to player if walkable"
3488   },
3489   {
3490     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3491     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3492     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3493     &level.continuous_snapping,
3494     NULL, NULL,
3495     "continuous snapping",              "use snapping without releasing key"
3496   },
3497   {
3498     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3499     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3500     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3501     &level.block_snap_field,
3502     NULL, NULL,
3503     "block snapped field when snapping", "use snapping delay to show animation"
3504   },
3505   {
3506     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3507     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3508     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3509     &level.block_last_field,
3510     NULL, NULL,
3511     "block last field when moving",     "player blocks last field when moving"
3512   },
3513   {
3514     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3515     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3516     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3517     &level.sp_block_last_field,
3518     NULL, NULL,
3519     "block last field when moving",     "player blocks last field when moving"
3520   },
3521   {
3522     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3523     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3524     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3525     &level.instant_relocation,
3526     NULL, NULL,
3527     "no scrolling when relocating",     "player gets relocated without delay"
3528   },
3529   {
3530     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3531     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3532     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3533     &level.shifted_relocation,
3534     NULL, NULL,
3535     "no centering when relocating",     "level not centered after relocation"
3536   },
3537   {
3538     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3539     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3540     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3541     &level.lazy_relocation,
3542     NULL, NULL,
3543     "only redraw off-screen relocation","no redraw if relocation target visible"
3544   },
3545   {
3546     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3547     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3548     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3549     &level.use_start_element[0],
3550     NULL, NULL,
3551     "use level start element:",        "start level at this element's position"
3552   },
3553   {
3554     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3555     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3556     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3557     &level.use_artwork_element[0],
3558     NULL, NULL,
3559     "use artwork from element:",        "use player artwork from other element"
3560   },
3561   {
3562     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3563     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3564     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3565     &level.use_explosion_element[0],
3566     NULL, NULL,
3567     "use explosion from element:",      "use explosion properties from element"
3568   },
3569   {
3570     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3571     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3572     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3573     &level.initial_player_gravity[0],
3574     NULL, NULL,
3575     "use initial gravity",              "set initial player gravity"
3576   },
3577   {
3578     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3579     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3580     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3581     &level.use_initial_inventory[0],
3582     NULL, NULL,
3583     "use initial inventory:",           "use collected elements on level start"
3584   },
3585   {
3586     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3587     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3588     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3589     &level.can_pass_to_walkable,
3590     NULL, NULL,
3591     "can pass to walkable element",     "player can pass to empty or walkable"
3592   },
3593   {
3594     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3595     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3596     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3597     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3598     NULL, NULL,
3599     "can fall into acid (with gravity)","player can fall into acid pool"
3600   },
3601   {
3602     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3603     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3604     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3605     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3606     NULL, NULL,
3607     "can move into acid",               "element can move into acid pool"
3608   },
3609   {
3610     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3611     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3612     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3613     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3614     NULL, NULL,
3615     "deadly when colliding with",       "element is deadly when hitting player"
3616   },
3617   {
3618     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3619     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3620     GADGET_ID_BD_DIAGONAL_MOVEMENTS,    GADGET_ID_NONE,
3621     &level.bd_diagonal_movements,
3622     NULL, NULL,
3623     "can move diagonally",              "player can move diagonally"
3624   },
3625   {
3626     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3627     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3628     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3629     &level.envelope[0].autowrap,
3630     NULL, NULL,
3631     "auto-wrap",                        "automatically wrap envelope text"
3632   },
3633   {
3634     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3635     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3636     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3637     &level.envelope[0].centered,
3638     NULL, " ",
3639     "centered",                         "automatically center envelope text"
3640   },
3641   {
3642     ED_CHECKBUTTON_ID_MM_LASER_RED,
3643     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3644     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3645     &level.mm_laser_red,
3646     "choose color components for laser:", NULL,
3647     "red",                              "use red color components in laser"
3648   },
3649   {
3650     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3651     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3652     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3653     &level.mm_laser_green,
3654     NULL, NULL,
3655     "green",                            "use green color components in laser"
3656   },
3657   {
3658     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3659     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3660     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3661     &level.mm_laser_blue,
3662     NULL, NULL,
3663     "blue",                             "use blue color components in laser"
3664   },
3665   {
3666     ED_CHECKBUTTON_ID_DF_LASER_RED,
3667     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3668     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3669     &level.df_laser_red,
3670     "choose color components for laser:", NULL,
3671     "red",                              "use red color components in laser"
3672   },
3673   {
3674     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
3675     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3676     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3677     &level.df_laser_green,
3678     NULL, NULL,
3679     "green",                            "use green color components in laser"
3680   },
3681   {
3682     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
3683     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3684     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3685     &level.df_laser_blue,
3686     NULL, NULL,
3687     "blue",                             "use blue color components in laser"
3688   },
3689   {
3690     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
3691     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3692     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3693     &level.rotate_mm_ball_content,
3694     NULL, NULL,
3695     "randomly rotate created content",  "randomly rotate newly created content"
3696   },
3697   {
3698     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
3699     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3700     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3701     &level.explode_mm_ball,
3702     NULL, NULL,
3703     "explode ball instead of melting",  "use explosion to release ball content"
3704   },
3705
3706   // ---------- element settings: configure 1 (custom elements) ---------------
3707
3708   {
3709     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
3710     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3711     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3712     &custom_element.use_gfx_element,
3713     NULL, NULL,
3714     "use graphic of element:",          "use existing element graphic"
3715   },
3716   {
3717     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
3718     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3719     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3720     &level.use_custom_template,
3721     NULL, NULL,
3722     "use template",                     "use template for custom properties"
3723   },
3724   {
3725     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
3726     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3727     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3728     &custom_element_properties[EP_ACCESSIBLE],
3729     NULL, NULL,
3730     NULL,                               "player can walk to or pass this field"
3731   },
3732   {
3733     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
3734     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3735     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3736     &custom_element_properties[EP_GRAVITY_REACHABLE],
3737     NULL, NULL,
3738     "reachable despite gravity",        "player can walk/dig despite gravity"
3739   },
3740   {
3741     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
3742     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3743     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3744     &custom_element.use_last_ce_value,
3745     NULL, NULL,
3746     "use last CE value after change",   "use last CE value after change"
3747   },
3748   {
3749     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
3750     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3751     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3752     &custom_element_properties[EP_WALK_TO_OBJECT],
3753     NULL, NULL,
3754     NULL,                               "player can dig/collect/push element"
3755   },
3756   {
3757     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
3758     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3759     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3760     &custom_element_properties[EP_INDESTRUCTIBLE],
3761     NULL, NULL,
3762     "indestructible",                   "element is indestructible"
3763   },
3764
3765   // ---------- element settings: configure 2 (custom elements) ---------------
3766
3767   {
3768     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
3769     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3770     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3771     &custom_element_properties[EP_CAN_MOVE],
3772     NULL, NULL,
3773     NULL,                               "element can move with some pattern"
3774   },
3775   {
3776     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
3777     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3778     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3779     &custom_element_properties[EP_CAN_FALL],
3780     NULL, NULL,
3781     "can fall",                         "element can fall down"
3782   },
3783   {
3784     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
3785     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3786     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3787     &custom_element_properties[EP_CAN_SMASH],
3788     NULL, " ",
3789     NULL,                               "element can smash other elements"
3790   },
3791   {
3792     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
3793     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3794     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3795     &custom_element_properties[EP_SLIPPERY],
3796     NULL, NULL,
3797     NULL,                               "other elements can fall down from it"
3798   },
3799   {
3800     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
3801     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3802     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3803     &custom_element_properties[EP_DEADLY],
3804     NULL, NULL,
3805     NULL,                               "element can kill the player"
3806   },
3807   {
3808     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
3809     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3810     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3811     &custom_element_properties[EP_CAN_EXPLODE],
3812     NULL, NULL,
3813     NULL,                               "element can explode"
3814   },
3815   {
3816     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
3817     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
3818     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3819     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3820     NULL, NULL,
3821     "by fire",                          "element can explode by fire/explosion"
3822   },
3823   {
3824     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
3825     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3826     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3827     &custom_element_properties[EP_EXPLODES_SMASHED],
3828     NULL, " ",
3829     "smashed",                          "element can explode when smashed"
3830   },
3831   {
3832     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
3833     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3834     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3835     &custom_element_properties[EP_EXPLODES_IMPACT],
3836     NULL, " ",
3837     "impact",                           "element can explode on impact"
3838   },
3839
3840   // ---------- element settings: advanced (custom elements) ------------------
3841
3842   {
3843     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
3844     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3845     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3846     &custom_element_change.can_change,
3847     NULL, NULL,
3848     "element changes to:",              "change element on specified condition"
3849   },
3850   {
3851     ED_CHECKBUTTON_ID_CHANGE_DELAY,
3852     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3853     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3854     &custom_element_change_events[CE_DELAY],
3855     NULL, NULL,
3856     NULL,                               "element changes after delay"
3857   },
3858   {
3859     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
3860     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3861     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3862     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3863     NULL, NULL,
3864     NULL,                               "element changes by direct action"
3865   },
3866   {
3867     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
3868     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3869     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3870     &custom_element_change_events[CE_BY_OTHER_ACTION],
3871     NULL, NULL,
3872     NULL,                               "element changes by other element"
3873   },
3874   {
3875     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
3876     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3877     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3878     &custom_element_change.explode,
3879     NULL, NULL,
3880     "explode instead of change",        "element explodes instead of change"
3881   },
3882   {
3883     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
3884     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3885     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3886     &custom_element_change.use_target_content,
3887     NULL, NULL,
3888     "use extended change target:",      "element changes to more elements"
3889   },
3890   {
3891     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
3892     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3893     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3894     &custom_element_change.only_if_complete,
3895     NULL, NULL,
3896     "replace all or nothing",           "only replace when all can be changed"
3897   },
3898   {
3899     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
3900     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3901     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3902     &custom_element_change.use_random_replace,
3903     NULL, NULL,
3904     NULL,                               "use percentage for random replace"
3905   },
3906   {
3907     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
3908     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3909     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3910     &custom_element_change.has_action,
3911     NULL, NULL,
3912     NULL,                               "execute action on specified condition"
3913   },
3914 };
3915
3916 static struct
3917 {
3918   int gadget_type_id;
3919   int x, y;
3920   int xoffset, yoffset;
3921   int gadget_id;
3922   int gadget_id_align;
3923   int *value;
3924   int area_xsize, area_ysize;
3925   char *text_left, *text_right, *text_above, *text_below, *infotext;
3926 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3927 {
3928   // ---------- level playfield content ---------------------------------------
3929
3930   {
3931     ED_DRAWING_ID_DRAWING_LEVEL,
3932     0,                                  0,
3933     0,                                  0,
3934     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3935     NULL,
3936     -1, -1,     // these values are not constant, but can change at runtime
3937     NULL, NULL, NULL, NULL,             NULL
3938   },
3939
3940   // ---------- yam yam content -----------------------------------------------
3941
3942   {
3943     ED_DRAWING_ID_YAMYAM_CONTENT_0,
3944     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3945     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3946     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3947     &level.yamyam_content[0].e[0][0],   3, 3,
3948     NULL, NULL, NULL, "1",              NULL
3949   },
3950   {
3951     ED_DRAWING_ID_YAMYAM_CONTENT_1,
3952     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3953     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3954     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3955     &level.yamyam_content[1].e[0][0],   3, 3,
3956     NULL, NULL, NULL, "2",              NULL
3957   },
3958   {
3959     ED_DRAWING_ID_YAMYAM_CONTENT_2,
3960     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3961     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3962     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3963     &level.yamyam_content[2].e[0][0],   3, 3,
3964     NULL, NULL, NULL, "3",              NULL
3965   },
3966   {
3967     ED_DRAWING_ID_YAMYAM_CONTENT_3,
3968     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3969     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3970     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3971     &level.yamyam_content[3].e[0][0],   3, 3,
3972     NULL, NULL, NULL, "4",              NULL
3973   },
3974   {
3975     ED_DRAWING_ID_YAMYAM_CONTENT_4,
3976     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3977     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3978     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3979     &level.yamyam_content[4].e[0][0],   3, 3,
3980     NULL, NULL, NULL, "5",              NULL
3981   },
3982   {
3983     ED_DRAWING_ID_YAMYAM_CONTENT_5,
3984     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3985     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3986     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3987     &level.yamyam_content[5].e[0][0],   3, 3,
3988     NULL, NULL, NULL, "6",              NULL
3989   },
3990   {
3991     ED_DRAWING_ID_YAMYAM_CONTENT_6,
3992     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3993     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3994     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3995     &level.yamyam_content[6].e[0][0],   3, 3,
3996     NULL, NULL, NULL, "7",              NULL
3997   },
3998   {
3999     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4000     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4001     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
4002     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
4003     &level.yamyam_content[7].e[0][0],   3, 3,
4004     NULL, NULL, NULL, "8",              NULL
4005   },
4006
4007   // ---------- magic ball content --------------------------------------------
4008
4009   {
4010     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4011     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4012     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4013     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
4014     &level.ball_content[0].e[0][0],     3, 3,
4015     NULL, NULL, NULL, "1",              NULL
4016   },
4017   {
4018     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4019     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4020     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4021     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
4022     &level.ball_content[1].e[0][0],     3, 3,
4023     NULL, NULL, NULL, "2",              NULL
4024   },
4025   {
4026     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4027     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4028     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4029     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
4030     &level.ball_content[2].e[0][0],     3, 3,
4031     NULL, NULL, NULL, "3",              NULL
4032   },
4033   {
4034     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4035     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4036     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4037     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
4038     &level.ball_content[3].e[0][0],     3, 3,
4039     NULL, NULL, NULL, "4",              NULL
4040   },
4041   {
4042     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4043     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4044     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4045     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
4046     &level.ball_content[4].e[0][0],     3, 3,
4047     NULL, NULL, NULL, "5",              NULL
4048   },
4049   {
4050     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4051     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4052     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4053     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
4054     &level.ball_content[5].e[0][0],     3, 3,
4055     NULL, NULL, NULL, "6",              NULL
4056   },
4057   {
4058     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4059     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4060     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4061     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
4062     &level.ball_content[6].e[0][0],     3, 3,
4063     NULL, NULL, NULL, "7",              NULL
4064   },
4065   {
4066     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4067     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4068     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4069     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
4070     &level.ball_content[7].e[0][0],     3, 3,
4071     NULL, NULL, NULL, "8",              NULL
4072   },
4073
4074   // ---------- android content -----------------------------------------------
4075
4076   {
4077     ED_DRAWING_ID_ANDROID_CONTENT,
4078     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4079     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4080     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
4081     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
4082     NULL, NULL, "elements:", NULL,      "elements android can clone"
4083   },
4084
4085   // ---------- amoeba content ------------------------------------------------
4086
4087   {
4088     ED_DRAWING_ID_AMOEBA_CONTENT,
4089     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4090     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4091     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
4092     &level.amoeba_content,              1, 1,
4093     "content:", NULL, NULL, NULL,       "amoeba content"
4094   },
4095
4096   // ---------- level start element -------------------------------------------
4097
4098   {
4099     ED_DRAWING_ID_START_ELEMENT,
4100     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
4101     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4102     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
4103     &level.start_element[0],            1, 1,
4104     NULL, NULL, NULL, NULL,             "level start element"
4105   },
4106
4107   // ---------- player artwork element ----------------------------------------
4108
4109   {
4110     ED_DRAWING_ID_ARTWORK_ELEMENT,
4111     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
4112     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4113     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
4114     &level.artwork_element[0],          1, 1,
4115     NULL, NULL, NULL, NULL,             "element for player artwork"
4116   },
4117
4118   // ---------- player explosion element --------------------------------------
4119
4120   {
4121     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4122     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
4123     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4124     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
4125     &level.explosion_element[0],        1, 1,
4126     NULL, NULL, NULL, NULL,             "element for player explosion"
4127   },
4128
4129   // ---------- player initial inventory --------------------------------------
4130
4131   {
4132     ED_DRAWING_ID_INVENTORY_CONTENT,
4133     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4134     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4135     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
4136     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
4137     NULL, NULL, NULL, NULL,             "content for initial inventory"
4138   },
4139
4140   // ---------- gray ball content -----------------------------------------
4141
4142   {
4143     ED_DRAWING_ID_MM_BALL_CONTENT,
4144     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4145     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4146     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
4147     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
4148     "content:", NULL, NULL, NULL,       "content for gray ball"
4149   },
4150
4151   // ---------- element settings: configure 1 (custom elements) ---------------
4152
4153   // ---------- custom graphic ------------------------------------------------
4154
4155   {
4156     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4157     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4158     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4159     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
4160     &custom_element.gfx_element_initial, 1, 1,
4161     NULL, NULL, NULL, NULL,             "custom graphic element"
4162   },
4163
4164   // ---------- element settings: configure 2 (custom elements) ---------------
4165
4166   // ---------- custom content (when exploding) -------------------------------
4167
4168   {
4169     ED_DRAWING_ID_CUSTOM_CONTENT,
4170     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
4171     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4172     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
4173     &custom_element.content.e[0][0],    3, 3,
4174     "content:", NULL, NULL, NULL,       NULL
4175   },
4176
4177   // ---------- custom enter and leave element (when moving) ------------------
4178
4179   {
4180     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4181     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
4182     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4183     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
4184     &custom_element.move_enter_element, 1, 1,
4185     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
4186   },
4187   {
4188     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4189     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
4190     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4191     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4192     &custom_element.move_leave_element, 1, 1,
4193     NULL, NULL, NULL, NULL,             "element that will be left behind"
4194   },
4195
4196   // ---------- element settings: advanced (custom elements) ------------------
4197
4198   // ---------- custom change target ------------------------------------------
4199
4200   {
4201     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4202     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4203     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4204     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
4205     &custom_element_change.target_element, 1, 1,
4206     NULL, "after/when:", NULL, NULL,    "new target element after change"
4207   },
4208
4209   // ---------- custom change content (extended change target) ----------------
4210
4211   {
4212     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4213     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
4214     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4215     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
4216     &custom_element_change.target_content.e[0][0], 3, 3,
4217     NULL, NULL, NULL, NULL,             "new extended elements after change"
4218   },
4219
4220   // ---------- custom change trigger (element causing change) ----------------
4221
4222   {
4223     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4224     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
4225     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4226     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
4227     &custom_element_change.initial_trigger_element, 1, 1,
4228     NULL, NULL, NULL, NULL,             "other element triggering change"
4229   },
4230
4231   // ---------- custom change action (element used for action) ----------------
4232
4233   {
4234     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4235     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
4236     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4237     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
4238     &custom_element_change.action_element, 1, 1,
4239     NULL, NULL, NULL, NULL,             "element used as action parameter"
4240   },
4241
4242   // ---------- group element content -----------------------------------------
4243
4244   {
4245     ED_DRAWING_ID_GROUP_CONTENT,
4246     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4247     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4248     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
4249     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
4250     "content:", NULL, NULL, NULL,       NULL
4251   },
4252
4253   // ---------- random background (for random painting) -----------------------
4254
4255   {
4256     ED_DRAWING_ID_RANDOM_BACKGROUND,
4257     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
4258     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
4259     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
4260     &random_placement_background_element, 1, 1,
4261     NULL, NULL, NULL, NULL,             "random placement background"
4262   },
4263 };
4264
4265
4266 // ----------------------------------------------------------------------------
4267 // some internally used variables
4268 // ----------------------------------------------------------------------------
4269
4270 // maximal size of level editor drawing area
4271 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4272
4273 // actual size of level editor drawing area
4274 static int ed_fieldx, ed_fieldy;
4275
4276 // actual position of level editor drawing area in level playfield
4277 static int level_xpos = -1, level_ypos = -1;
4278
4279 // actual tile size used to display playfield drawing area
4280 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4281 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4282
4283 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4284
4285 // drawing elements on the three mouse buttons
4286 static int new_element1 = EL_WALL;
4287 static int new_element2 = EL_EMPTY;
4288 static int new_element3 = EL_SAND;
4289
4290 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4291 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4292                                 (button) == 2 ? new_element2 : \
4293                                 (button) == 3 ? new_element3 : EL_EMPTY)
4294
4295 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4296
4297 static int use_permanent_palette = TRUE;
4298
4299 #define PX              (use_permanent_palette ? DX : SX)
4300 #define PY              (use_permanent_palette ? DY : SY)
4301 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4302 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4303
4304 // forward declaration for internal use
4305 static void CopyBrushToCursor(int, int);
4306 static void DeleteBrushFromCursor(void);
4307 static void ModifyEditorCounterValue(int, int);
4308 static void ModifyEditorCounterLimits(int, int, int);
4309 static void ModifyEditorSelectboxValue(int, int);
4310 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4311 static void ModifyEditorDrawingArea(int, int, int);
4312 static void ModifyEditorElementList(void);
4313 static void AdjustElementListScrollbar(void);
4314 static void RedrawDrawingElements(void);
4315 static void DrawDrawingWindowExt(boolean);
4316 static void DrawDrawingWindow(void);
4317 static void DrawLevelConfigWindow(void);
4318 static void DrawPropertiesWindow(void);
4319 static void DrawPaletteWindow(void);
4320 static void UpdateCustomElementGraphicGadgets(void);
4321 static boolean checkPropertiesConfig(int);
4322 static void SetAutomaticNumberOfGemsNeeded(void);
4323 static void ClearEditorGadgetInfoText(void);
4324 static void CopyLevelToUndoBuffer(int);
4325 static void HandleDrawingAreas(struct GadgetInfo *);
4326 static void HandleCounterButtons(struct GadgetInfo *);
4327 static void HandleTextInputGadgets(struct GadgetInfo *);
4328 static void HandleTextAreaGadgets(struct GadgetInfo *);
4329 static void HandleSelectboxGadgets(struct GadgetInfo *);
4330 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4331 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4332 static void HandleRadiobuttons(struct GadgetInfo *);
4333 static void HandleCheckbuttons(struct GadgetInfo *);
4334 static void HandleControlButtons(struct GadgetInfo *);
4335 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4336 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4337 static boolean AskToCopyAndModifyLevelTemplate(void);
4338 static boolean getDrawModeHiRes(void);
4339 static int getTabulatorBarWidth(void);
4340 static int getTabulatorBarHeight(void);
4341 static Pixel getTabulatorBarColor(void);
4342 static int numHiresTiles(int);
4343
4344 static int num_editor_gadgets = 0;      // dynamically determined
4345
4346 static struct GadgetInfo **level_editor_gadget = NULL;
4347 static int *right_gadget_border = NULL;
4348
4349 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4350 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4351 static boolean draw_with_brush = FALSE;
4352 static int properties_element = 0;
4353
4354 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4355 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4356 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4357 static int undo_buffer_position = 0;
4358 static int undo_buffer_steps = 0;
4359 static int redo_buffer_steps = 0;
4360
4361 static int edit_mode;
4362 static int edit_mode_levelconfig;
4363 static int edit_mode_properties;
4364
4365 static int element_shift = 0;
4366
4367 static int editor_el_players[] =
4368 {
4369   EL_PLAYER_1,
4370   EL_PLAYER_2,
4371   EL_PLAYER_3,
4372   EL_PLAYER_4
4373 };
4374 static int *editor_el_players_ptr = editor_el_players;
4375 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4376
4377 static int editor_hl_boulderdash[] =
4378 {
4379   EL_INTERNAL_CASCADE_BD_ACTIVE,
4380   EL_CHAR('B'),
4381   EL_CHAR('D'),
4382   EL_EMPTY,
4383 };
4384
4385 static int editor_el_boulderdash[] =
4386 {
4387   EL_EMPTY,
4388   EL_SAND,
4389   EL_BD_ROCK,
4390   EL_BD_DIAMOND,
4391
4392   EL_STEELWALL,
4393   EL_BD_WALL,
4394   EL_BD_EXPANDABLE_WALL,
4395   EL_BD_MAGIC_WALL,
4396
4397   EL_BD_AMOEBA,
4398   EL_BD_BUTTERFLY_UP,
4399   EL_BD_FIREFLY_UP,
4400   EL_EXIT_CLOSED,
4401
4402   EL_BD_BUTTERFLY_LEFT,
4403   EL_BD_FIREFLY_LEFT,
4404   EL_BD_BUTTERFLY_RIGHT,
4405   EL_BD_FIREFLY_RIGHT,
4406
4407   EL_EMPTY,
4408   EL_BD_BUTTERFLY_DOWN,
4409   EL_BD_FIREFLY_DOWN,
4410   EL_EXIT_OPEN,
4411 };
4412 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4413 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4414 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4415 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4416
4417 static int editor_hl_boulderdash_native[] =
4418 {
4419   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4420   EL_CHAR('B'),
4421   EL_CHAR('D'),
4422   EL_EMPTY,
4423 };
4424
4425 static int editor_el_boulderdash_native[] =
4426 {
4427   EL_EMPTY,
4428   EL_BD_SAND,
4429   EL_BD_ROCK,
4430   EL_BD_DIAMOND,
4431
4432   EL_BD_STEELWALL,
4433   EL_BD_WALL,
4434   EL_EMPTY,
4435   EL_BD_MAGIC_WALL,
4436
4437   EL_BD_AMOEBA,
4438   EL_BD_BUTTERFLY_UP,
4439   EL_BD_FIREFLY_UP,
4440   EL_BD_EXIT_CLOSED,
4441
4442   EL_BD_BUTTERFLY_LEFT,
4443   EL_BD_FIREFLY_LEFT,
4444   EL_BD_BUTTERFLY_RIGHT,
4445   EL_BD_FIREFLY_RIGHT,
4446
4447   EL_BD_INBOX,
4448   EL_BD_BUTTERFLY_DOWN,
4449   EL_BD_FIREFLY_DOWN,
4450   EL_BD_EXIT_OPEN,
4451
4452   EL_BD_AMOEBA_2,
4453   EL_BD_BUTTERFLY_2_UP,
4454   EL_BD_FIREFLY_2_UP,
4455   EL_EMPTY,
4456
4457   EL_BD_BUTTERFLY_2_LEFT,
4458   EL_BD_FIREFLY_2_LEFT,
4459   EL_BD_BUTTERFLY_2_RIGHT,
4460   EL_BD_FIREFLY_2_RIGHT,
4461
4462   EL_EMPTY,
4463   EL_BD_BUTTERFLY_2_DOWN,
4464   EL_BD_FIREFLY_2_DOWN,
4465   EL_EMPTY,
4466
4467   EL_EMPTY,
4468   EL_BD_DRAGONFLY_UP,
4469   EL_BD_STONEFLY_UP,
4470   EL_EMPTY,
4471
4472   EL_BD_DRAGONFLY_LEFT,
4473   EL_BD_STONEFLY_LEFT,
4474   EL_BD_DRAGONFLY_RIGHT,
4475   EL_BD_STONEFLY_RIGHT,
4476
4477   EL_EMPTY,
4478   EL_BD_DRAGONFLY_DOWN,
4479   EL_BD_STONEFLY_DOWN,
4480   EL_EMPTY,
4481
4482   EL_EMPTY,
4483   EL_BD_BITER_UP,
4484   EL_BD_COW_UP,
4485   EL_EMPTY,
4486
4487   EL_BD_BITER_LEFT,
4488   EL_BD_COW_LEFT,
4489   EL_BD_BITER_RIGHT,
4490   EL_BD_COW_RIGHT,
4491
4492   EL_EMPTY,
4493   EL_BD_BITER_DOWN,
4494   EL_BD_COW_DOWN,
4495   EL_EMPTY,
4496
4497   EL_EMPTY,
4498   EL_BD_SAND,
4499   EL_BD_SAND_BALL,
4500   EL_BD_SAND_LOOSE,
4501
4502   EL_BD_SAND_SLOPED_UP_LEFT,
4503   EL_BD_SAND_SLOPED_UP_RIGHT,
4504   EL_BD_WALL_SLOPED_UP_LEFT,
4505   EL_BD_WALL_SLOPED_UP_RIGHT,
4506
4507   EL_BD_SAND_SLOPED_DOWN_LEFT,
4508   EL_BD_SAND_SLOPED_DOWN_RIGHT,
4509   EL_BD_WALL_SLOPED_DOWN_LEFT,
4510   EL_BD_WALL_SLOPED_DOWN_RIGHT,
4511
4512   EL_BD_FLYING_DIAMOND,
4513   EL_BD_FLYING_ROCK,
4514   EL_BD_STEELWALL_SLOPED_UP_LEFT,
4515   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
4516
4517   EL_BD_NUT,
4518   EL_BD_MEGA_ROCK,
4519   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
4520   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
4521
4522   EL_BD_SAND_2,
4523   EL_BD_WALL_NON_SLOPED,
4524   EL_BD_WALL,
4525   EL_BD_MAGIC_WALL,
4526
4527   EL_BD_EXIT_CLOSED,
4528   EL_BD_EXIT_OPEN,
4529   EL_BD_INVISIBLE_EXIT_CLOSED,
4530   EL_BD_INVISIBLE_EXIT_OPEN,
4531
4532   EL_BD_STEELWALL,
4533   EL_BD_STEELWALL_EXPLODABLE,
4534   EL_BD_STEELWALL_DIGGABLE,
4535   EL_BD_WALL_DIGGABLE,
4536
4537   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
4538   EL_BD_EXPANDABLE_WALL_VERTICAL,
4539   EL_BD_EXPANDABLE_WALL_ANY,
4540   EL_BD_CREATURE_SWITCH,
4541
4542   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
4543   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
4544   EL_BD_EXPANDABLE_STEELWALL_ANY,
4545   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
4546
4547   EL_BD_BITER_SWITCH_1,
4548   EL_BD_REPLICATOR_SWITCH,
4549   EL_BD_CONVEYOR_SWITCH,
4550   EL_BD_CONVEYOR_DIR_SWITCH_RIGHT,
4551
4552   EL_BD_ACID,
4553   EL_BD_FALLING_WALL,
4554   EL_BD_BOX,
4555   EL_BD_TIME_PENALTY,
4556
4557   EL_BD_GRAVESTONE,
4558   EL_BD_ROCK_GLUED,
4559   EL_BD_DIAMOND_GLUED,
4560   EL_BD_DIAMOND_KEY,
4561
4562   EL_BD_TRAPPED_DIAMOND,
4563   EL_BD_CLOCK,
4564   EL_BD_SAND_GLUED,
4565   EL_BD_WATER,
4566
4567   EL_BD_KEY_1,
4568   EL_BD_KEY_2,
4569   EL_BD_KEY_3,
4570   EL_EMPTY,
4571
4572   EL_BD_WALL_KEY_1,
4573   EL_BD_WALL_KEY_2,
4574   EL_BD_WALL_KEY_3,
4575   EL_BD_WALL_DIAMOND,
4576
4577   EL_BD_GATE_1,
4578   EL_BD_GATE_2,
4579   EL_BD_GATE_3,
4580   EL_BD_POT,
4581
4582   EL_BD_GRAVITY_SWITCH,
4583   EL_BD_PNEUMATIC_HAMMER,
4584   EL_BD_TELEPORTER,
4585   EL_BD_SKELETON,
4586
4587   EL_BD_AMOEBA,
4588   EL_BD_AMOEBA_2,
4589   EL_BD_REPLICATOR,
4590   EL_BD_BLADDER_SPENDER,
4591
4592   EL_BD_CONVEYOR_LEFT,
4593   EL_BD_CONVEYOR_RIGHT,
4594   EL_BD_BOMB,
4595   EL_BD_NITRO_PACK,
4596
4597   EL_BD_LAVA,
4598   EL_BD_SWEET,
4599   EL_BD_VOODOO_DOLL,
4600   EL_BD_SLIME,
4601
4602   EL_BD_BLADDER,
4603   EL_BD_WAITING_ROCK,
4604   EL_BD_CHASING_ROCK,
4605   EL_BD_GHOST,
4606
4607   EL_BD_PLAYER,
4608   EL_BD_PLAYER_WITH_BOMB,
4609   EL_BD_PLAYER_GLUED,
4610   EL_BD_PLAYER_STIRRING,
4611 };
4612 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
4613 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
4614 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
4615 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
4616
4617 static int editor_hl_emerald_mine[] =
4618 {
4619   EL_INTERNAL_CASCADE_EM_ACTIVE,
4620   EL_CHAR('E'),
4621   EL_CHAR('M'),
4622   EL_EMPTY,
4623 };
4624
4625 static int editor_el_emerald_mine[] =
4626 {
4627   EL_SAND,
4628   EL_ROCK,
4629   EL_QUICKSAND_EMPTY,
4630   EL_QUICKSAND_FULL,
4631
4632   EL_STEELWALL,
4633   EL_WALL,
4634   EL_WALL_SLIPPERY,
4635   EL_MAGIC_WALL,
4636
4637   EL_EMERALD,
4638   EL_DIAMOND,
4639   EL_NUT,
4640   EL_BOMB,
4641
4642   EL_EM_DYNAMITE,
4643   EL_EM_DYNAMITE_ACTIVE,
4644   EL_EM_EXIT_CLOSED,
4645   EL_EM_EXIT_OPEN,
4646
4647   EL_YAMYAM_UP,
4648   EL_BUG_UP,
4649   EL_SPACESHIP_UP,
4650   EL_ROBOT,
4651
4652   EL_BUG_LEFT,
4653   EL_SPACESHIP_LEFT,
4654   EL_BUG_RIGHT,
4655   EL_SPACESHIP_RIGHT,
4656
4657   EL_ROBOT_WHEEL,
4658   EL_BUG_DOWN,
4659   EL_SPACESHIP_DOWN,
4660   EL_INVISIBLE_WALL,
4661
4662   EL_ACID_POOL_TOPLEFT,
4663   EL_ACID,
4664   EL_ACID_POOL_TOPRIGHT,
4665   EL_AMOEBA_DROP,
4666
4667   EL_ACID_POOL_BOTTOMLEFT,
4668   EL_ACID_POOL_BOTTOM,
4669   EL_ACID_POOL_BOTTOMRIGHT,
4670   EL_AMOEBA_WET,
4671
4672   EL_EM_KEY_1,
4673   EL_EM_KEY_2,
4674   EL_EM_KEY_3,
4675   EL_EM_KEY_4,
4676
4677   EL_EM_GATE_1,
4678   EL_EM_GATE_2,
4679   EL_EM_GATE_3,
4680   EL_EM_GATE_4,
4681
4682   EL_EM_GATE_1_GRAY,
4683   EL_EM_GATE_2_GRAY,
4684   EL_EM_GATE_3_GRAY,
4685   EL_EM_GATE_4_GRAY,
4686 };
4687 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4688 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4689 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4690 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4691
4692 static int editor_hl_emerald_mine_club[] =
4693 {
4694   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4695   EL_CHAR('E'),
4696   EL_CHAR('M'),
4697   EL_CHAR('C'),
4698 };
4699
4700 static int editor_el_emerald_mine_club[] =
4701 {
4702   EL_EMC_KEY_5,
4703   EL_EMC_KEY_6,
4704   EL_EMC_KEY_7,
4705   EL_EMC_KEY_8,
4706
4707   EL_EMC_GATE_5,
4708   EL_EMC_GATE_6,
4709   EL_EMC_GATE_7,
4710   EL_EMC_GATE_8,
4711
4712   EL_EMC_GATE_5_GRAY,
4713   EL_EMC_GATE_6_GRAY,
4714   EL_EMC_GATE_7_GRAY,
4715   EL_EMC_GATE_8_GRAY,
4716
4717   EL_EMC_STEELWALL_1,
4718   EL_EMC_STEELWALL_2,
4719   EL_EMC_STEELWALL_3,
4720   EL_EMC_STEELWALL_4,
4721
4722   EL_EMC_WALL_13,
4723   EL_EMC_WALL_14,
4724   EL_EMC_WALL_15,
4725   EL_EMC_WALL_16,
4726
4727   EL_EMC_WALL_SLIPPERY_1,
4728   EL_EMC_WALL_SLIPPERY_2,
4729   EL_EMC_WALL_SLIPPERY_3,
4730   EL_EMC_WALL_SLIPPERY_4,
4731
4732   EL_EMC_WALL_1,
4733   EL_EMC_WALL_2,
4734   EL_EMC_WALL_3,
4735   EL_EMC_WALL_4,
4736
4737   EL_EMC_WALL_5,
4738   EL_EMC_WALL_6,
4739   EL_EMC_WALL_7,
4740   EL_EMC_WALL_8,
4741
4742   EL_EMC_WALL_9,
4743   EL_EMC_WALL_10,
4744   EL_EMC_WALL_11,
4745   EL_EMC_WALL_12,
4746
4747   EL_EMC_GRASS,
4748   EL_EMC_FAKE_GRASS,
4749   EL_EMC_PLANT,
4750   EL_EMC_DRIPPER,
4751
4752   EL_EMC_MAGIC_BALL,
4753   EL_EMC_MAGIC_BALL_SWITCH,
4754   EL_EMC_LENSES,
4755   EL_EMC_MAGNIFIER,
4756
4757   EL_SPRING_LEFT,
4758   EL_SPRING,
4759   EL_SPRING_RIGHT,
4760   EL_EMC_SPRING_BUMPER,
4761
4762   EL_BALLOON,
4763   EL_YAMYAM_UP,
4764   EL_BALLOON_SWITCH_UP,
4765   EL_BALLOON_SWITCH_ANY,
4766
4767   EL_YAMYAM_LEFT,
4768   EL_BALLOON_SWITCH_LEFT,
4769   EL_YAMYAM_RIGHT,
4770   EL_BALLOON_SWITCH_RIGHT,
4771
4772   EL_EMC_ANDROID,
4773   EL_YAMYAM_DOWN,
4774   EL_BALLOON_SWITCH_DOWN,
4775   EL_BALLOON_SWITCH_NONE,
4776 };
4777 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4778 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4779 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4780 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4781
4782 static int editor_hl_rnd[] =
4783 {
4784   EL_INTERNAL_CASCADE_RND_ACTIVE,
4785   EL_CHAR('R'),
4786   EL_CHAR('N'),
4787   EL_CHAR('D'),
4788 };
4789
4790 static int editor_el_rnd[] =
4791 {
4792   EL_DYNAMITE,                  // RND
4793   EL_DYNAMITE_ACTIVE,           // RND
4794   EL_EMPTY,
4795   EL_EMPTY,
4796
4797   EL_KEY_1,
4798   EL_KEY_2,
4799   EL_KEY_3,
4800   EL_KEY_4,
4801
4802   EL_GATE_1,
4803   EL_GATE_2,
4804   EL_GATE_3,
4805   EL_GATE_4,
4806
4807   EL_GATE_1_GRAY,
4808   EL_GATE_2_GRAY,
4809   EL_GATE_3_GRAY,
4810   EL_GATE_4_GRAY,
4811
4812   EL_ARROW_LEFT,
4813   EL_ARROW_RIGHT,
4814   EL_ARROW_UP,
4815   EL_ARROW_DOWN,
4816
4817   EL_AMOEBA_DEAD,
4818   EL_AMOEBA_DRY,
4819   EL_AMOEBA_FULL,
4820   EL_GAME_OF_LIFE,
4821
4822   EL_EMERALD_YELLOW,
4823   EL_EMERALD_RED,
4824   EL_EMERALD_PURPLE,
4825   EL_BIOMAZE,
4826
4827   EL_WALL_EMERALD_YELLOW,
4828   EL_WALL_EMERALD_RED,
4829   EL_WALL_EMERALD_PURPLE,
4830   EL_WALL_BD_DIAMOND,
4831
4832   EL_SPEED_PILL,
4833   EL_PACMAN_UP,
4834   EL_TIME_ORB_FULL,
4835   EL_TIME_ORB_EMPTY,
4836
4837   EL_PACMAN_LEFT,
4838   EL_DARK_YAMYAM,
4839   EL_PACMAN_RIGHT,
4840   EL_YAMYAM,                    // RND
4841
4842   EL_BLACK_ORB,
4843   EL_PACMAN_DOWN,
4844   EL_LAMP,
4845   EL_LAMP_ACTIVE,
4846
4847   EL_DYNABOMB_INCREASE_NUMBER,
4848   EL_DYNABOMB_INCREASE_SIZE,
4849   EL_DYNABOMB_INCREASE_POWER,
4850   EL_STONEBLOCK,
4851
4852   EL_MOLE,
4853   EL_PENGUIN,
4854   EL_PIG,
4855   EL_DRAGON,
4856
4857   EL_BUG,
4858   EL_MOLE_UP,
4859   EL_BD_BUTTERFLY,
4860   EL_BD_FIREFLY,
4861
4862   EL_MOLE_LEFT,
4863   EL_SATELLITE,
4864   EL_MOLE_RIGHT,
4865   EL_PACMAN,
4866
4867   EL_SPACESHIP,
4868   EL_MOLE_DOWN,
4869   EL_INVISIBLE_STEELWALL,
4870   EL_INVISIBLE_WALL,
4871
4872   EL_EXPANDABLE_WALL,
4873   EL_EXPANDABLE_WALL_HORIZONTAL,
4874   EL_EXPANDABLE_WALL_VERTICAL,
4875   EL_EXPANDABLE_WALL_ANY,
4876 };
4877 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4878 static int *editor_el_rnd_ptr = editor_el_rnd;
4879 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4880 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4881
4882 static int editor_hl_sokoban[] =
4883 {
4884   EL_INTERNAL_CASCADE_SB_ACTIVE,
4885   EL_CHAR('S'),
4886   EL_CHAR('B'),
4887   EL_EMPTY,
4888 };
4889
4890 static int editor_el_sokoban[] =
4891 {
4892   EL_SOKOBAN_OBJECT,
4893   EL_SOKOBAN_FIELD_EMPTY,
4894   EL_SOKOBAN_FIELD_FULL,
4895   EL_SOKOBAN_FIELD_PLAYER,
4896 };
4897 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4898 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4899 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4900 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4901
4902 static int editor_hl_supaplex[] =
4903 {
4904   EL_INTERNAL_CASCADE_SP_ACTIVE,
4905   EL_CHAR('S'),
4906   EL_CHAR('P'),
4907   EL_EMPTY,
4908 };
4909
4910 static int editor_el_supaplex[] =
4911 {
4912   EL_SP_MURPHY,
4913   EL_EMPTY,
4914   EL_SP_BASE,
4915   EL_SP_BUGGY_BASE,
4916
4917   EL_SP_INFOTRON,
4918   EL_SP_ZONK,
4919   EL_SP_SNIKSNAK,
4920   EL_SP_ELECTRON,
4921
4922   EL_SP_DISK_RED,
4923   EL_SP_DISK_ORANGE,
4924   EL_SP_DISK_YELLOW,
4925   EL_SP_TERMINAL,
4926
4927   EL_SP_EXIT_CLOSED,
4928   EL_SP_PORT_HORIZONTAL,
4929   EL_SP_PORT_VERTICAL,
4930   EL_SP_PORT_ANY,
4931
4932   EL_SP_PORT_LEFT,
4933   EL_SP_PORT_RIGHT,
4934   EL_SP_PORT_UP,
4935   EL_SP_PORT_DOWN,
4936
4937   EL_SP_GRAVITY_PORT_LEFT,
4938   EL_SP_GRAVITY_PORT_RIGHT,
4939   EL_SP_GRAVITY_PORT_UP,
4940   EL_SP_GRAVITY_PORT_DOWN,
4941
4942   EL_SP_GRAVITY_ON_PORT_LEFT,
4943   EL_SP_GRAVITY_ON_PORT_RIGHT,
4944   EL_SP_GRAVITY_ON_PORT_UP,
4945   EL_SP_GRAVITY_ON_PORT_DOWN,
4946
4947   EL_SP_GRAVITY_OFF_PORT_LEFT,
4948   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4949   EL_SP_GRAVITY_OFF_PORT_UP,
4950   EL_SP_GRAVITY_OFF_PORT_DOWN,
4951
4952   EL_SP_HARDWARE_GRAY,
4953   EL_SP_HARDWARE_GREEN,
4954   EL_SP_HARDWARE_BLUE,
4955   EL_SP_HARDWARE_RED,
4956
4957   EL_SP_HARDWARE_BASE_1,
4958   EL_SP_HARDWARE_BASE_2,
4959   EL_SP_HARDWARE_BASE_3,
4960   EL_SP_HARDWARE_BASE_4,
4961
4962   EL_SP_HARDWARE_BASE_5,
4963   EL_SP_HARDWARE_BASE_6,
4964   EL_SP_HARDWARE_YELLOW,
4965   EL_SP_CHIP_TOP,
4966
4967   EL_SP_CHIP_SINGLE,
4968   EL_SP_CHIP_LEFT,
4969   EL_SP_CHIP_RIGHT,
4970   EL_SP_CHIP_BOTTOM,
4971 };
4972 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4973 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4974 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4975 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4976
4977 static int editor_hl_diamond_caves[] =
4978 {
4979   EL_INTERNAL_CASCADE_DC_ACTIVE,
4980   EL_CHAR('D'),
4981   EL_CHAR('C'),
4982   EL_CHAR('2'),
4983 };
4984
4985 static int editor_el_diamond_caves[] =
4986 {
4987   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4988   EL_EM_STEEL_EXIT_OPEN,        // DC2
4989   EL_WALL_EMERALD,              // DC2
4990   EL_WALL_DIAMOND,              // DC2
4991
4992   EL_PEARL,
4993   EL_CRYSTAL,
4994   EL_WALL_PEARL,
4995   EL_WALL_CRYSTAL,
4996
4997   EL_CONVEYOR_BELT_1_LEFT,
4998   EL_CONVEYOR_BELT_1_MIDDLE,
4999   EL_CONVEYOR_BELT_1_RIGHT,
5000   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5001
5002   EL_CONVEYOR_BELT_2_LEFT,
5003   EL_CONVEYOR_BELT_2_MIDDLE,
5004   EL_CONVEYOR_BELT_2_RIGHT,
5005   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5006
5007   EL_CONVEYOR_BELT_3_LEFT,
5008   EL_CONVEYOR_BELT_3_MIDDLE,
5009   EL_CONVEYOR_BELT_3_RIGHT,
5010   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5011
5012   EL_CONVEYOR_BELT_4_LEFT,
5013   EL_CONVEYOR_BELT_4_MIDDLE,
5014   EL_CONVEYOR_BELT_4_RIGHT,
5015   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5016
5017   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5018   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5019   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5020   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5021
5022   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5023   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5024   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5025   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5026
5027   EL_TIMEGATE_CLOSED,
5028   EL_TIMEGATE_OPEN,
5029   EL_TIMEGATE_SWITCH,
5030   EL_DC_TIMEGATE_SWITCH,
5031
5032   EL_SWITCHGATE_CLOSED,
5033   EL_SWITCHGATE_OPEN,
5034   EL_SWITCHGATE_SWITCH_UP,
5035   EL_SWITCHGATE_SWITCH_DOWN,
5036
5037   EL_LIGHT_SWITCH,
5038   EL_LIGHT_SWITCH_ACTIVE,
5039   EL_DC_SWITCHGATE_SWITCH_UP,
5040   EL_DC_SWITCHGATE_SWITCH_DOWN,
5041
5042   EL_STEEL_EXIT_CLOSED,
5043   EL_STEEL_EXIT_OPEN,
5044   EL_STEELWALL_SLIPPERY,
5045   EL_INVISIBLE_SAND,
5046
5047   EL_QUICKSAND_FAST_EMPTY,
5048   EL_QUICKSAND_FAST_FULL,
5049   EL_LANDMINE,
5050   EL_DC_LANDMINE,
5051
5052   EL_SHIELD_NORMAL,
5053   EL_SHIELD_DEADLY,
5054   EL_EXTRA_TIME,
5055   EL_DC_MAGIC_WALL,
5056
5057   EL_ENVELOPE_1,
5058   EL_ENVELOPE_2,
5059   EL_ENVELOPE_3,
5060   EL_ENVELOPE_4,
5061
5062   EL_SIGN_RADIOACTIVITY,
5063   EL_SIGN_WHEELCHAIR,
5064   EL_SIGN_PARKING,
5065   EL_SIGN_NO_ENTRY,
5066
5067   EL_SIGN_GIVE_WAY,
5068   EL_SIGN_ENTRY_FORBIDDEN,
5069   EL_SIGN_EMERGENCY_EXIT,
5070   EL_SIGN_YIN_YANG,
5071
5072 #if 0
5073   EL_SIGN_SPERMS,
5074   EL_SIGN_BULLET,
5075   EL_SIGN_HEART,
5076   EL_SIGN_CROSS,
5077
5078   EL_SIGN_FRANKIE,
5079   EL_EMPTY,
5080   EL_EMPTY,
5081   EL_EMPTY,
5082
5083   EL_SPERMS,
5084   EL_BULLET,
5085   EL_HEART,
5086   EL_CROSS,
5087
5088   EL_FRANKIE,
5089   EL_EMPTY,
5090   EL_EMPTY,
5091   EL_EMPTY,
5092 #endif
5093
5094   EL_DC_STEELWALL_2_SINGLE,
5095   EL_DC_STEELWALL_2_TOP,
5096   EL_SIGN_EXCLAMATION,
5097   EL_SIGN_STOP,
5098
5099   EL_DC_STEELWALL_2_LEFT,
5100   EL_DC_STEELWALL_2_MIDDLE,
5101   EL_DC_STEELWALL_2_HORIZONTAL,
5102   EL_DC_STEELWALL_2_RIGHT,
5103
5104   EL_DC_STEELWALL_1_TOPLEFT,
5105   EL_DC_STEELWALL_2_VERTICAL,
5106   EL_DC_STEELWALL_1_TOPRIGHT,
5107   EL_DC_GATE_WHITE,
5108
5109   EL_DC_STEELWALL_1_VERTICAL,
5110   EL_DC_STEELWALL_2_BOTTOM,
5111   EL_DC_KEY_WHITE,
5112   EL_DC_GATE_WHITE_GRAY,
5113
5114   EL_DC_STEELWALL_1_BOTTOMLEFT,
5115   EL_DC_STEELWALL_1_HORIZONTAL,
5116   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5117   EL_DC_GATE_FAKE_GRAY,
5118
5119   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5120   EL_DC_STEELWALL_1_BOTTOM,
5121   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5122   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5123
5124   EL_DC_STEELWALL_1_RIGHT,
5125   EL_EMPTY,
5126   EL_DC_STEELWALL_1_LEFT,
5127   EL_EXPANDABLE_STEELWALL_VERTICAL,
5128
5129   EL_DC_STEELWALL_1_TOPRIGHT_2,
5130   EL_DC_STEELWALL_1_TOP,
5131   EL_DC_STEELWALL_1_TOPLEFT_2,
5132   EL_EXPANDABLE_STEELWALL_ANY,
5133 };
5134 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5135 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5136 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5137 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5138
5139 static int editor_hl_dx_boulderdash[] =
5140 {
5141   EL_INTERNAL_CASCADE_DX_ACTIVE,
5142   EL_CHAR('D'),
5143   EL_CHAR('X'),
5144   EL_EMPTY,
5145 };
5146
5147 static int editor_el_dx_boulderdash[] =
5148 {
5149   EL_EMPTY,
5150   EL_TUBE_RIGHT_DOWN,
5151   EL_TUBE_HORIZONTAL_DOWN,
5152   EL_TUBE_LEFT_DOWN,
5153
5154   EL_TUBE_HORIZONTAL,
5155   EL_TUBE_VERTICAL_RIGHT,
5156   EL_TUBE_ANY,
5157   EL_TUBE_VERTICAL_LEFT,
5158
5159   EL_TUBE_VERTICAL,
5160   EL_TUBE_RIGHT_UP,
5161   EL_TUBE_HORIZONTAL_UP,
5162   EL_TUBE_LEFT_UP,
5163
5164   EL_TRAP,
5165   EL_DX_SUPABOMB,
5166   EL_EMPTY,
5167   EL_EMPTY
5168 };
5169 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5170 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5171 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5172 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5173
5174 static int editor_hl_mirror_magic[] =
5175 {
5176   EL_INTERNAL_CASCADE_MM_ACTIVE,
5177   EL_CHAR('M'),
5178   EL_CHAR('M'),
5179   EL_EMPTY,
5180 };
5181
5182 static int editor_el_mirror_magic[] =
5183 {
5184   EL_MM_MCDUFFIN_RIGHT,
5185   EL_MM_MCDUFFIN_UP,
5186   EL_MM_MCDUFFIN_LEFT,
5187   EL_MM_MCDUFFIN_DOWN,
5188
5189   EL_MM_MIRROR_START,
5190   EL_MM_MIRROR_FIXED_START,
5191   EL_MM_POLARIZER_START,
5192   EL_MM_POLARIZER_CROSS_START,
5193
5194   EL_MM_TELEPORTER_RED_START,
5195   EL_MM_TELEPORTER_YELLOW_START,
5196   EL_MM_TELEPORTER_GREEN_START,
5197   EL_MM_TELEPORTER_BLUE_START,
5198
5199   EL_MM_PRISM,
5200   EL_MM_FUSE_ACTIVE,
5201   EL_MM_PACMAN_RIGHT,
5202   EL_MM_EXIT_CLOSED,
5203
5204   EL_MM_KETTLE,
5205   EL_MM_BOMB,
5206   EL_MM_KEY,
5207   EL_MM_FUEL_FULL,
5208
5209   EL_MM_LIGHTBULB,
5210   EL_MM_LIGHTBULB_ACTIVE,
5211   EL_MM_GRAY_BALL,
5212   EL_MM_LIGHTBALL,
5213
5214   EL_MM_STEEL_WALL,
5215   EL_MM_WOODEN_WALL,
5216   EL_MM_ICE_WALL,
5217   EL_MM_AMOEBA_WALL,
5218
5219   EL_MM_STEEL_LOCK,
5220   EL_MM_WOODEN_LOCK,
5221   EL_MM_STEEL_BLOCK,
5222   EL_MM_WOODEN_BLOCK,
5223
5224   EL_MM_STEEL_GRID_FIXED_1,
5225   EL_MM_STEEL_GRID_FIXED_2,
5226   EL_MM_STEEL_GRID_FIXED_3,
5227   EL_MM_STEEL_GRID_FIXED_4,
5228
5229   EL_MM_WOODEN_GRID_FIXED_1,
5230   EL_MM_WOODEN_GRID_FIXED_2,
5231   EL_MM_WOODEN_GRID_FIXED_3,
5232   EL_MM_WOODEN_GRID_FIXED_4,
5233
5234   EL_MM_ENVELOPE_1,
5235   EL_MM_ENVELOPE_2,
5236   EL_MM_ENVELOPE_3,
5237   EL_MM_ENVELOPE_4
5238 };
5239 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5240 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5241 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5242 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5243
5244 static int editor_hl_deflektor[] =
5245 {
5246   EL_INTERNAL_CASCADE_DF_ACTIVE,
5247   EL_CHAR('D'),
5248   EL_CHAR('F'),
5249   EL_EMPTY,
5250 };
5251
5252 static int editor_el_deflektor[] =
5253 {
5254   EL_DF_LASER_RIGHT,
5255   EL_DF_LASER_UP,
5256   EL_DF_LASER_LEFT,
5257   EL_DF_LASER_DOWN,
5258
5259   EL_DF_RECEIVER_RIGHT,
5260   EL_DF_RECEIVER_UP,
5261   EL_DF_RECEIVER_LEFT,
5262   EL_DF_RECEIVER_DOWN,
5263
5264   EL_DF_MIRROR_START,
5265   EL_DF_MIRROR_ROTATING_START,
5266   EL_DF_MIRROR_FIXED_START,
5267   EL_DF_CELL,
5268
5269   EL_DF_FIBRE_OPTIC_RED_1,
5270   EL_DF_FIBRE_OPTIC_YELLOW_1,
5271   EL_DF_FIBRE_OPTIC_GREEN_1,
5272   EL_DF_FIBRE_OPTIC_BLUE_1,
5273
5274   EL_DF_STEEL_GRID_FIXED_START,
5275   EL_DF_STEEL_GRID_ROTATING_START,
5276   EL_DF_WOODEN_GRID_FIXED_START,
5277   EL_DF_WOODEN_GRID_ROTATING_START,
5278
5279   EL_DF_STEEL_WALL,
5280   EL_DF_WOODEN_WALL,
5281   EL_DF_REFRACTOR,
5282   EL_DF_MINE,
5283
5284   EL_DF_SLOPE_1,
5285   EL_DF_SLOPE_2,
5286   EL_DF_SLOPE_3,
5287   EL_DF_SLOPE_4
5288 };
5289 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5290 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5291 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5292 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5293
5294 static int editor_hl_chars[] =
5295 {
5296   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5297   EL_CHAR('T'),
5298   EL_CHAR('X'),
5299   EL_CHAR('T'),
5300 };
5301
5302 static int editor_el_chars[] =
5303 {
5304   EL_CHAR(' '),
5305   EL_CHAR('!'),
5306   EL_CHAR('"'),
5307   EL_CHAR('#'),
5308
5309   EL_CHAR('$'),
5310   EL_CHAR('%'),
5311   EL_CHAR('&'),
5312   EL_CHAR('\''),
5313
5314   EL_CHAR('('),
5315   EL_CHAR(')'),
5316   EL_CHAR('*'),
5317   EL_CHAR('+'),
5318
5319   EL_CHAR(','),
5320   EL_CHAR('-'),
5321   EL_CHAR('.'),
5322   EL_CHAR('/'),
5323
5324   EL_CHAR('0'),
5325   EL_CHAR('1'),
5326   EL_CHAR('2'),
5327   EL_CHAR('3'),
5328
5329   EL_CHAR('4'),
5330   EL_CHAR('5'),
5331   EL_CHAR('6'),
5332   EL_CHAR('7'),
5333
5334   EL_CHAR('8'),
5335   EL_CHAR('9'),
5336   EL_CHAR(':'),
5337   EL_CHAR(';'),
5338
5339   EL_CHAR('<'),
5340   EL_CHAR('='),
5341   EL_CHAR('>'),
5342   EL_CHAR('?'),
5343
5344   EL_CHAR('@'),
5345   EL_CHAR('A'),
5346   EL_CHAR('B'),
5347   EL_CHAR('C'),
5348
5349   EL_CHAR('D'),
5350   EL_CHAR('E'),
5351   EL_CHAR('F'),
5352   EL_CHAR('G'),
5353
5354   EL_CHAR('H'),
5355   EL_CHAR('I'),
5356   EL_CHAR('J'),
5357   EL_CHAR('K'),
5358
5359   EL_CHAR('L'),
5360   EL_CHAR('M'),
5361   EL_CHAR('N'),
5362   EL_CHAR('O'),
5363
5364   EL_CHAR('P'),
5365   EL_CHAR('Q'),
5366   EL_CHAR('R'),
5367   EL_CHAR('S'),
5368
5369   EL_CHAR('T'),
5370   EL_CHAR('U'),
5371   EL_CHAR('V'),
5372   EL_CHAR('W'),
5373
5374   EL_CHAR('X'),
5375   EL_CHAR('Y'),
5376   EL_CHAR('Z'),
5377   EL_CHAR('['),
5378
5379   EL_CHAR('\\'),
5380   EL_CHAR(']'),
5381   EL_CHAR('^'),
5382   EL_CHAR('_'),
5383
5384   EL_CHAR(CHAR_BYTE_COPYRIGHT),
5385   EL_CHAR(CHAR_BYTE_UMLAUT_A),
5386   EL_CHAR(CHAR_BYTE_UMLAUT_O),
5387   EL_CHAR(CHAR_BYTE_UMLAUT_U),
5388
5389   EL_CHAR(CHAR_BYTE_DEGREE),
5390   EL_CHAR(CHAR_BYTE_REGISTERED),
5391   EL_CHAR(FONT_ASCII_CURSOR),
5392   EL_CHAR(FONT_ASCII_BUTTON),
5393
5394   EL_CHAR(FONT_ASCII_UP),
5395   EL_CHAR(FONT_ASCII_DOWN),
5396   EL_CHAR(' '),
5397   EL_CHAR(' ')
5398 };
5399 static int *editor_hl_chars_ptr = editor_hl_chars;
5400 static int *editor_el_chars_ptr = editor_el_chars;
5401 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
5402 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
5403
5404 static int editor_hl_steel_chars[] =
5405 {
5406   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
5407   EL_STEEL_CHAR('T'),
5408   EL_STEEL_CHAR('X'),
5409   EL_STEEL_CHAR('T'),
5410 };
5411
5412 static int editor_el_steel_chars[] =
5413 {
5414   EL_STEEL_CHAR(' '),
5415   EL_STEEL_CHAR('!'),
5416   EL_STEEL_CHAR('"'),
5417   EL_STEEL_CHAR('#'),
5418
5419   EL_STEEL_CHAR('$'),
5420   EL_STEEL_CHAR('%'),
5421   EL_STEEL_CHAR('&'),
5422   EL_STEEL_CHAR('\''),
5423
5424   EL_STEEL_CHAR('('),
5425   EL_STEEL_CHAR(')'),
5426   EL_STEEL_CHAR('*'),
5427   EL_STEEL_CHAR('+'),
5428
5429   EL_STEEL_CHAR(','),
5430   EL_STEEL_CHAR('-'),
5431   EL_STEEL_CHAR('.'),
5432   EL_STEEL_CHAR('/'),
5433
5434   EL_STEEL_CHAR('0'),
5435   EL_STEEL_CHAR('1'),
5436   EL_STEEL_CHAR('2'),
5437   EL_STEEL_CHAR('3'),
5438
5439   EL_STEEL_CHAR('4'),
5440   EL_STEEL_CHAR('5'),
5441   EL_STEEL_CHAR('6'),
5442   EL_STEEL_CHAR('7'),
5443
5444   EL_STEEL_CHAR('8'),
5445   EL_STEEL_CHAR('9'),
5446   EL_STEEL_CHAR(':'),
5447   EL_STEEL_CHAR(';'),
5448
5449   EL_STEEL_CHAR('<'),
5450   EL_STEEL_CHAR('='),
5451   EL_STEEL_CHAR('>'),
5452   EL_STEEL_CHAR('?'),
5453
5454   EL_STEEL_CHAR('@'),
5455   EL_STEEL_CHAR('A'),
5456   EL_STEEL_CHAR('B'),
5457   EL_STEEL_CHAR('C'),
5458
5459   EL_STEEL_CHAR('D'),
5460   EL_STEEL_CHAR('E'),
5461   EL_STEEL_CHAR('F'),
5462   EL_STEEL_CHAR('G'),
5463
5464   EL_STEEL_CHAR('H'),
5465   EL_STEEL_CHAR('I'),
5466   EL_STEEL_CHAR('J'),
5467   EL_STEEL_CHAR('K'),
5468
5469   EL_STEEL_CHAR('L'),
5470   EL_STEEL_CHAR('M'),
5471   EL_STEEL_CHAR('N'),
5472   EL_STEEL_CHAR('O'),
5473
5474   EL_STEEL_CHAR('P'),
5475   EL_STEEL_CHAR('Q'),
5476   EL_STEEL_CHAR('R'),
5477   EL_STEEL_CHAR('S'),
5478
5479   EL_STEEL_CHAR('T'),
5480   EL_STEEL_CHAR('U'),
5481   EL_STEEL_CHAR('V'),
5482   EL_STEEL_CHAR('W'),
5483
5484   EL_STEEL_CHAR('X'),
5485   EL_STEEL_CHAR('Y'),
5486   EL_STEEL_CHAR('Z'),
5487   EL_STEEL_CHAR('['),
5488
5489   EL_STEEL_CHAR('\\'),
5490   EL_STEEL_CHAR(']'),
5491   EL_STEEL_CHAR('^'),
5492   EL_STEEL_CHAR('_'),
5493
5494   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
5495   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
5496   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
5497   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
5498
5499   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
5500   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
5501   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
5502   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
5503
5504   EL_STEEL_CHAR(FONT_ASCII_UP),
5505   EL_STEEL_CHAR(FONT_ASCII_DOWN),
5506   EL_STEEL_CHAR(' '),
5507   EL_STEEL_CHAR(' ')
5508 };
5509 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
5510 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
5511 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
5512 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
5513
5514 static int editor_hl_custom[] =
5515 {
5516   EL_INTERNAL_CASCADE_CE_ACTIVE,
5517   EL_CHAR('C'),
5518   EL_CHAR('E'),
5519   EL_EMPTY,
5520 };
5521
5522 static int editor_el_custom[] =
5523 {
5524   EL_CUSTOM_START + 0,
5525   EL_CUSTOM_START + 1,
5526   EL_CUSTOM_START + 2,
5527   EL_CUSTOM_START + 3,
5528
5529   EL_CUSTOM_START + 4,
5530   EL_CUSTOM_START + 5,
5531   EL_CUSTOM_START + 6,
5532   EL_CUSTOM_START + 7,
5533
5534   EL_CUSTOM_START + 8,
5535   EL_CUSTOM_START + 9,
5536   EL_CUSTOM_START + 10,
5537   EL_CUSTOM_START + 11,
5538
5539   EL_CUSTOM_START + 12,
5540   EL_CUSTOM_START + 13,
5541   EL_CUSTOM_START + 14,
5542   EL_CUSTOM_START + 15,
5543
5544   EL_CUSTOM_START + 16,
5545   EL_CUSTOM_START + 17,
5546   EL_CUSTOM_START + 18,
5547   EL_CUSTOM_START + 19,
5548
5549   EL_CUSTOM_START + 20,
5550   EL_CUSTOM_START + 21,
5551   EL_CUSTOM_START + 22,
5552   EL_CUSTOM_START + 23,
5553
5554   EL_CUSTOM_START + 24,
5555   EL_CUSTOM_START + 25,
5556   EL_CUSTOM_START + 26,
5557   EL_CUSTOM_START + 27,
5558
5559   EL_CUSTOM_START + 28,
5560   EL_CUSTOM_START + 29,
5561   EL_CUSTOM_START + 30,
5562   EL_CUSTOM_START + 31,
5563
5564   EL_CUSTOM_START + 32,
5565   EL_CUSTOM_START + 33,
5566   EL_CUSTOM_START + 34,
5567   EL_CUSTOM_START + 35,
5568
5569   EL_CUSTOM_START + 36,
5570   EL_CUSTOM_START + 37,
5571   EL_CUSTOM_START + 38,
5572   EL_CUSTOM_START + 39,
5573
5574   EL_CUSTOM_START + 40,
5575   EL_CUSTOM_START + 41,
5576   EL_CUSTOM_START + 42,
5577   EL_CUSTOM_START + 43,
5578
5579   EL_CUSTOM_START + 44,
5580   EL_CUSTOM_START + 45,
5581   EL_CUSTOM_START + 46,
5582   EL_CUSTOM_START + 47,
5583
5584   EL_CUSTOM_START + 48,
5585   EL_CUSTOM_START + 49,
5586   EL_CUSTOM_START + 50,
5587   EL_CUSTOM_START + 51,
5588
5589   EL_CUSTOM_START + 52,
5590   EL_CUSTOM_START + 53,
5591   EL_CUSTOM_START + 54,
5592   EL_CUSTOM_START + 55,
5593
5594   EL_CUSTOM_START + 56,
5595   EL_CUSTOM_START + 57,
5596   EL_CUSTOM_START + 58,
5597   EL_CUSTOM_START + 59,
5598
5599   EL_CUSTOM_START + 60,
5600   EL_CUSTOM_START + 61,
5601   EL_CUSTOM_START + 62,
5602   EL_CUSTOM_START + 63,
5603
5604   EL_CUSTOM_START + 64,
5605   EL_CUSTOM_START + 65,
5606   EL_CUSTOM_START + 66,
5607   EL_CUSTOM_START + 67,
5608
5609   EL_CUSTOM_START + 68,
5610   EL_CUSTOM_START + 69,
5611   EL_CUSTOM_START + 70,
5612   EL_CUSTOM_START + 71,
5613
5614   EL_CUSTOM_START + 72,
5615   EL_CUSTOM_START + 73,
5616   EL_CUSTOM_START + 74,
5617   EL_CUSTOM_START + 75,
5618
5619   EL_CUSTOM_START + 76,
5620   EL_CUSTOM_START + 77,
5621   EL_CUSTOM_START + 78,
5622   EL_CUSTOM_START + 79,
5623
5624   EL_CUSTOM_START + 80,
5625   EL_CUSTOM_START + 81,
5626   EL_CUSTOM_START + 82,
5627   EL_CUSTOM_START + 83,
5628
5629   EL_CUSTOM_START + 84,
5630   EL_CUSTOM_START + 85,
5631   EL_CUSTOM_START + 86,
5632   EL_CUSTOM_START + 87,
5633
5634   EL_CUSTOM_START + 88,
5635   EL_CUSTOM_START + 89,
5636   EL_CUSTOM_START + 90,
5637   EL_CUSTOM_START + 91,
5638
5639   EL_CUSTOM_START + 92,
5640   EL_CUSTOM_START + 93,
5641   EL_CUSTOM_START + 94,
5642   EL_CUSTOM_START + 95,
5643
5644   EL_CUSTOM_START + 96,
5645   EL_CUSTOM_START + 97,
5646   EL_CUSTOM_START + 98,
5647   EL_CUSTOM_START + 99,
5648
5649   EL_CUSTOM_START + 100,
5650   EL_CUSTOM_START + 101,
5651   EL_CUSTOM_START + 102,
5652   EL_CUSTOM_START + 103,
5653
5654   EL_CUSTOM_START + 104,
5655   EL_CUSTOM_START + 105,
5656   EL_CUSTOM_START + 106,
5657   EL_CUSTOM_START + 107,
5658
5659   EL_CUSTOM_START + 108,
5660   EL_CUSTOM_START + 109,
5661   EL_CUSTOM_START + 110,
5662   EL_CUSTOM_START + 111,
5663
5664   EL_CUSTOM_START + 112,
5665   EL_CUSTOM_START + 113,
5666   EL_CUSTOM_START + 114,
5667   EL_CUSTOM_START + 115,
5668
5669   EL_CUSTOM_START + 116,
5670   EL_CUSTOM_START + 117,
5671   EL_CUSTOM_START + 118,
5672   EL_CUSTOM_START + 119,
5673
5674   EL_CUSTOM_START + 120,
5675   EL_CUSTOM_START + 121,
5676   EL_CUSTOM_START + 122,
5677   EL_CUSTOM_START + 123,
5678
5679   EL_CUSTOM_START + 124,
5680   EL_CUSTOM_START + 125,
5681   EL_CUSTOM_START + 126,
5682   EL_CUSTOM_START + 127,
5683
5684   EL_CUSTOM_START + 128,
5685   EL_CUSTOM_START + 129,
5686   EL_CUSTOM_START + 130,
5687   EL_CUSTOM_START + 131,
5688
5689   EL_CUSTOM_START + 132,
5690   EL_CUSTOM_START + 133,
5691   EL_CUSTOM_START + 134,
5692   EL_CUSTOM_START + 135,
5693
5694   EL_CUSTOM_START + 136,
5695   EL_CUSTOM_START + 137,
5696   EL_CUSTOM_START + 138,
5697   EL_CUSTOM_START + 139,
5698
5699   EL_CUSTOM_START + 140,
5700   EL_CUSTOM_START + 141,
5701   EL_CUSTOM_START + 142,
5702   EL_CUSTOM_START + 143,
5703
5704   EL_CUSTOM_START + 144,
5705   EL_CUSTOM_START + 145,
5706   EL_CUSTOM_START + 146,
5707   EL_CUSTOM_START + 147,
5708
5709   EL_CUSTOM_START + 148,
5710   EL_CUSTOM_START + 149,
5711   EL_CUSTOM_START + 150,
5712   EL_CUSTOM_START + 151,
5713
5714   EL_CUSTOM_START + 152,
5715   EL_CUSTOM_START + 153,
5716   EL_CUSTOM_START + 154,
5717   EL_CUSTOM_START + 155,
5718
5719   EL_CUSTOM_START + 156,
5720   EL_CUSTOM_START + 157,
5721   EL_CUSTOM_START + 158,
5722   EL_CUSTOM_START + 159,
5723
5724   EL_CUSTOM_START + 160,
5725   EL_CUSTOM_START + 161,
5726   EL_CUSTOM_START + 162,
5727   EL_CUSTOM_START + 163,
5728
5729   EL_CUSTOM_START + 164,
5730   EL_CUSTOM_START + 165,
5731   EL_CUSTOM_START + 166,
5732   EL_CUSTOM_START + 167,
5733
5734   EL_CUSTOM_START + 168,
5735   EL_CUSTOM_START + 169,
5736   EL_CUSTOM_START + 170,
5737   EL_CUSTOM_START + 171,
5738
5739   EL_CUSTOM_START + 172,
5740   EL_CUSTOM_START + 173,
5741   EL_CUSTOM_START + 174,
5742   EL_CUSTOM_START + 175,
5743
5744   EL_CUSTOM_START + 176,
5745   EL_CUSTOM_START + 177,
5746   EL_CUSTOM_START + 178,
5747   EL_CUSTOM_START + 179,
5748
5749   EL_CUSTOM_START + 180,
5750   EL_CUSTOM_START + 181,
5751   EL_CUSTOM_START + 182,
5752   EL_CUSTOM_START + 183,
5753
5754   EL_CUSTOM_START + 184,
5755   EL_CUSTOM_START + 185,
5756   EL_CUSTOM_START + 186,
5757   EL_CUSTOM_START + 187,
5758
5759   EL_CUSTOM_START + 188,
5760   EL_CUSTOM_START + 189,
5761   EL_CUSTOM_START + 190,
5762   EL_CUSTOM_START + 191,
5763
5764   EL_CUSTOM_START + 192,
5765   EL_CUSTOM_START + 193,
5766   EL_CUSTOM_START + 194,
5767   EL_CUSTOM_START + 195,
5768
5769   EL_CUSTOM_START + 196,
5770   EL_CUSTOM_START + 197,
5771   EL_CUSTOM_START + 198,
5772   EL_CUSTOM_START + 199,
5773
5774   EL_CUSTOM_START + 200,
5775   EL_CUSTOM_START + 201,
5776   EL_CUSTOM_START + 202,
5777   EL_CUSTOM_START + 203,
5778
5779   EL_CUSTOM_START + 204,
5780   EL_CUSTOM_START + 205,
5781   EL_CUSTOM_START + 206,
5782   EL_CUSTOM_START + 207,
5783
5784   EL_CUSTOM_START + 208,
5785   EL_CUSTOM_START + 209,
5786   EL_CUSTOM_START + 210,
5787   EL_CUSTOM_START + 211,
5788
5789   EL_CUSTOM_START + 212,
5790   EL_CUSTOM_START + 213,
5791   EL_CUSTOM_START + 214,
5792   EL_CUSTOM_START + 215,
5793
5794   EL_CUSTOM_START + 216,
5795   EL_CUSTOM_START + 217,
5796   EL_CUSTOM_START + 218,
5797   EL_CUSTOM_START + 219,
5798
5799   EL_CUSTOM_START + 220,
5800   EL_CUSTOM_START + 221,
5801   EL_CUSTOM_START + 222,
5802   EL_CUSTOM_START + 223,
5803
5804   EL_CUSTOM_START + 224,
5805   EL_CUSTOM_START + 225,
5806   EL_CUSTOM_START + 226,
5807   EL_CUSTOM_START + 227,
5808
5809   EL_CUSTOM_START + 228,
5810   EL_CUSTOM_START + 229,
5811   EL_CUSTOM_START + 230,
5812   EL_CUSTOM_START + 231,
5813
5814   EL_CUSTOM_START + 232,
5815   EL_CUSTOM_START + 233,
5816   EL_CUSTOM_START + 234,
5817   EL_CUSTOM_START + 235,
5818
5819   EL_CUSTOM_START + 236,
5820   EL_CUSTOM_START + 237,
5821   EL_CUSTOM_START + 238,
5822   EL_CUSTOM_START + 239,
5823
5824   EL_CUSTOM_START + 240,
5825   EL_CUSTOM_START + 241,
5826   EL_CUSTOM_START + 242,
5827   EL_CUSTOM_START + 243,
5828
5829   EL_CUSTOM_START + 244,
5830   EL_CUSTOM_START + 245,
5831   EL_CUSTOM_START + 246,
5832   EL_CUSTOM_START + 247,
5833
5834   EL_CUSTOM_START + 248,
5835   EL_CUSTOM_START + 249,
5836   EL_CUSTOM_START + 250,
5837   EL_CUSTOM_START + 251,
5838
5839   EL_CUSTOM_START + 252,
5840   EL_CUSTOM_START + 253,
5841   EL_CUSTOM_START + 254,
5842   EL_CUSTOM_START + 255
5843 };
5844 static int *editor_hl_custom_ptr = editor_hl_custom;
5845 static int *editor_el_custom_ptr = editor_el_custom;
5846 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5847 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5848
5849 static int editor_hl_group[] =
5850 {
5851   EL_INTERNAL_CASCADE_GE_ACTIVE,
5852   EL_CHAR('G'),
5853   EL_CHAR('E'),
5854   EL_EMPTY,
5855 };
5856
5857 static int editor_el_group[] =
5858 {
5859   EL_GROUP_START + 0,
5860   EL_GROUP_START + 1,
5861   EL_GROUP_START + 2,
5862   EL_GROUP_START + 3,
5863
5864   EL_GROUP_START + 4,
5865   EL_GROUP_START + 5,
5866   EL_GROUP_START + 6,
5867   EL_GROUP_START + 7,
5868
5869   EL_GROUP_START + 8,
5870   EL_GROUP_START + 9,
5871   EL_GROUP_START + 10,
5872   EL_GROUP_START + 11,
5873
5874   EL_GROUP_START + 12,
5875   EL_GROUP_START + 13,
5876   EL_GROUP_START + 14,
5877   EL_GROUP_START + 15,
5878
5879   EL_GROUP_START + 16,
5880   EL_GROUP_START + 17,
5881   EL_GROUP_START + 18,
5882   EL_GROUP_START + 19,
5883
5884   EL_GROUP_START + 20,
5885   EL_GROUP_START + 21,
5886   EL_GROUP_START + 22,
5887   EL_GROUP_START + 23,
5888
5889   EL_GROUP_START + 24,
5890   EL_GROUP_START + 25,
5891   EL_GROUP_START + 26,
5892   EL_GROUP_START + 27,
5893
5894   EL_GROUP_START + 28,
5895   EL_GROUP_START + 29,
5896   EL_GROUP_START + 30,
5897   EL_GROUP_START + 31
5898 };
5899 static int *editor_hl_group_ptr = editor_hl_group;
5900 static int *editor_el_group_ptr = editor_el_group;
5901 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5902 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5903
5904 static int editor_hl_empty_space[] =
5905 {
5906   EL_INTERNAL_CASCADE_ES_ACTIVE,
5907   EL_CHAR('E'),
5908   EL_CHAR('S'),
5909   EL_EMPTY,
5910 };
5911
5912 static int editor_el_empty_space[] =
5913 {
5914   EL_EMPTY_SPACE_1,
5915   EL_EMPTY_SPACE_2,
5916   EL_EMPTY_SPACE_3,
5917   EL_EMPTY_SPACE_4,
5918
5919   EL_EMPTY_SPACE_5,
5920   EL_EMPTY_SPACE_6,
5921   EL_EMPTY_SPACE_7,
5922   EL_EMPTY_SPACE_8,
5923
5924   EL_EMPTY_SPACE_9,
5925   EL_EMPTY_SPACE_10,
5926   EL_EMPTY_SPACE_11,
5927   EL_EMPTY_SPACE_12,
5928
5929   EL_EMPTY_SPACE_13,
5930   EL_EMPTY_SPACE_14,
5931   EL_EMPTY_SPACE_15,
5932   EL_EMPTY_SPACE_16
5933 };
5934 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
5935 static int *editor_el_empty_space_ptr = editor_el_empty_space;
5936 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
5937 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
5938
5939 static int editor_hl_reference[] =
5940 {
5941   EL_INTERNAL_CASCADE_REF_ACTIVE,
5942   EL_CHAR('R'),
5943   EL_CHAR('E'),
5944   EL_CHAR('F')
5945 };
5946
5947 static int editor_el_reference[] =
5948 {
5949   EL_TRIGGER_PLAYER,
5950   EL_TRIGGER_ELEMENT,
5951   EL_TRIGGER_CE_VALUE,
5952   EL_TRIGGER_CE_SCORE,
5953
5954   EL_SELF,
5955   EL_ANY_ELEMENT,
5956   EL_CURRENT_CE_VALUE,
5957   EL_CURRENT_CE_SCORE,
5958
5959   EL_PREV_CE_8,
5960   EL_PREV_CE_7,
5961   EL_PREV_CE_6,
5962   EL_PREV_CE_5,
5963
5964   EL_PREV_CE_4,
5965   EL_PREV_CE_3,
5966   EL_PREV_CE_2,
5967   EL_PREV_CE_1,
5968
5969   EL_NEXT_CE_1,
5970   EL_NEXT_CE_2,
5971   EL_NEXT_CE_3,
5972   EL_NEXT_CE_4,
5973
5974   EL_NEXT_CE_5,
5975   EL_NEXT_CE_6,
5976   EL_NEXT_CE_7,
5977   EL_NEXT_CE_8,
5978 };
5979 static int *editor_hl_reference_ptr = editor_hl_reference;
5980 static int *editor_el_reference_ptr = editor_el_reference;
5981 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5982 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5983
5984 static int editor_hl_user_defined[] =
5985 {
5986   EL_INTERNAL_CASCADE_USER_ACTIVE,
5987   EL_CHAR('M'),
5988   EL_CHAR('Y'),
5989   EL_EMPTY,
5990 };
5991
5992 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5993 static int *editor_el_user_defined_ptr = NULL;
5994 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5995 static int num_editor_el_user_defined = 0;
5996
5997 static int editor_hl_dynamic[] =
5998 {
5999   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6000   EL_CHAR('U'),
6001   EL_CHAR('S'),
6002   EL_CHAR('E'),
6003 };
6004
6005 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6006 static int *editor_el_dynamic_ptr = NULL;
6007 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6008 static int num_editor_el_dynamic = 0;
6009
6010 static int editor_hl_empty[] = { EL_EMPTY };
6011 static int *editor_el_empty = NULL;     // dynamically allocated
6012
6013 static int *editor_hl_empty_ptr = editor_hl_empty;
6014 static int *editor_el_empty_ptr = NULL;
6015 static int num_editor_hl_empty = 0;
6016 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6017
6018 static boolean use_el_empty = FALSE;
6019
6020 static int *editor_elements = NULL;     // dynamically allocated
6021 static int num_editor_elements = 0;     // dynamically determined
6022
6023 static boolean setup_editor_cascade_never = FALSE;
6024
6025 static boolean setup_editor_el_players                  = TRUE;
6026 static boolean setup_editor_el_boulderdash              = TRUE;
6027 static boolean setup_editor_el_boulderdash_native       = TRUE;
6028 static boolean setup_editor_el_emerald_mine             = TRUE;
6029 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6030 static boolean setup_editor_el_more                     = TRUE;
6031 static boolean setup_editor_el_sokoban                  = TRUE;
6032 static boolean setup_editor_el_supaplex                 = TRUE;
6033 static boolean setup_editor_el_diamond_caves            = TRUE;
6034 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6035 static boolean setup_editor_el_mirror_magic             = TRUE;
6036 static boolean setup_editor_el_deflektor                = TRUE;
6037 static boolean setup_editor_el_chars                    = TRUE;
6038 static boolean setup_editor_el_steel_chars              = TRUE;
6039 static boolean setup_editor_el_custom                   = TRUE;
6040 static boolean setup_editor_el_user_defined             = TRUE;
6041 static boolean setup_editor_el_dynamic                  = TRUE;
6042
6043 static int editor_hl_unused[] = { EL_EMPTY };
6044 static int *editor_hl_unused_ptr = editor_hl_unused;
6045 static int num_editor_hl_unused = 0;
6046
6047 static struct
6048 {
6049   boolean *setup_value;
6050   boolean *setup_cascade_value;
6051
6052   int **headline_list;
6053   int *headline_list_size;
6054
6055   int **element_list;
6056   int *element_list_size;
6057
6058   boolean last_setup_value;
6059 }
6060 editor_elements_info[] =
6061 {
6062   {
6063     &setup_editor_el_players,
6064     &setup_editor_cascade_never,
6065     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6066     &editor_el_players_ptr,             &num_editor_el_players
6067   },
6068   {
6069     &setup_editor_el_boulderdash,
6070     &setup.editor_cascade.el_bd,
6071     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6072     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6073   },
6074   {
6075     &setup_editor_el_boulderdash_native,
6076     &setup.editor_cascade.el_bd_native,
6077     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6078     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6079   },
6080   {
6081     &setup_editor_el_emerald_mine,
6082     &setup.editor_cascade.el_em,
6083     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6084     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6085   },
6086   {
6087     &setup_editor_el_emerald_mine_club,
6088     &setup.editor_cascade.el_emc,
6089     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6090     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6091   },
6092   {
6093     &setup_editor_el_more,
6094     &setup.editor_cascade.el_rnd,
6095     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6096     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6097   },
6098   {
6099     &setup_editor_el_sokoban,
6100     &setup.editor_cascade.el_sb,
6101     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6102     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6103   },
6104   {
6105     &setup_editor_el_supaplex,
6106     &setup.editor_cascade.el_sp,
6107     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6108     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6109   },
6110   {
6111     &setup_editor_el_diamond_caves,
6112     &setup.editor_cascade.el_dc,
6113     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6114     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6115   },
6116   {
6117     &setup_editor_el_dx_boulderdash,
6118     &setup.editor_cascade.el_dx,
6119     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6120     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6121   },
6122   {
6123     &setup_editor_el_mirror_magic,
6124     &setup.editor_cascade.el_mm,
6125     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6126     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6127   },
6128   {
6129     &setup_editor_el_deflektor,
6130     &setup.editor_cascade.el_df,
6131     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6132     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6133   },
6134   {
6135     &setup_editor_el_chars,
6136     &setup.editor_cascade.el_chars,
6137     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6138     &editor_el_chars_ptr,               &num_editor_el_chars
6139   },
6140   {
6141     &setup_editor_el_steel_chars,
6142     &setup.editor_cascade.el_steel_chars,
6143     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6144     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6145   },
6146   {
6147     &setup_editor_el_custom,
6148     &setup.editor_cascade.el_ce,
6149     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6150     &editor_el_custom_ptr,              &num_editor_el_custom
6151   },
6152   {
6153     &setup_editor_el_custom,
6154     &setup.editor_cascade.el_ge,
6155     &editor_hl_group_ptr,               &num_editor_hl_group,
6156     &editor_el_group_ptr,               &num_editor_el_group
6157   },
6158   {
6159     &setup_editor_el_custom,
6160     &setup.editor_cascade.el_es,
6161     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6162     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6163   },
6164   {
6165     &setup_editor_el_custom,
6166     &setup.editor_cascade.el_ref,
6167     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6168     &editor_el_reference_ptr,           &num_editor_el_reference
6169   },
6170   {
6171     &setup_editor_el_user_defined,
6172     &setup.editor_cascade.el_user,
6173     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6174     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6175   },
6176   {
6177     &setup_editor_el_dynamic,
6178     &setup.editor_cascade.el_dynamic,
6179     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6180     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6181   },
6182   {
6183     &use_el_empty,
6184     &use_el_empty,
6185     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6186     &editor_el_empty_ptr,               &num_editor_el_empty,
6187   },
6188   {
6189     NULL,
6190     NULL,
6191     NULL,                               NULL,
6192     NULL,                               NULL
6193   }
6194 };
6195
6196 static struct XY xy_directions[] =
6197 {
6198   { -1,  0 },
6199   { +1,  0 },
6200   {  0, -1 },
6201   {  0, +1 }
6202 };
6203
6204
6205 // ----------------------------------------------------------------------------
6206 // functions
6207 // ----------------------------------------------------------------------------
6208
6209 static int getMaxInfoTextLength(void)
6210 {
6211   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6212 }
6213
6214 static int getTextWidthForGadget(char *text)
6215 {
6216   if (text == NULL)
6217     return 0;
6218
6219   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6220 }
6221
6222 static int getTextWidthForDrawingArea(char *text)
6223 {
6224   if (text == NULL)
6225     return 0;
6226
6227   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
6228 }
6229
6230 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6231 {
6232   return (gi->x + gi->width + getTextWidthForGadget(text));
6233 }
6234
6235 static char *getElementInfoText(int element)
6236 {
6237   char *info_text = NULL;
6238
6239   if (element < MAX_NUM_ELEMENTS)
6240   {
6241     if (strlen(element_info[element].description) > 0)
6242       info_text = element_info[element].description;
6243     else if (element_info[element].custom_description != NULL)
6244       info_text = element_info[element].custom_description;
6245     else if (element_info[element].editor_description != NULL)
6246       info_text = element_info[element].editor_description;
6247   }
6248
6249   if (info_text == NULL)
6250     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6251
6252   return info_text;
6253 }
6254
6255 static char *getElementDescriptionFilenameExt(char *basename)
6256 {
6257   char *elements_subdir = ELEMENTS_DIRECTORY;
6258   static char *elements_subdir2 = NULL;
6259   static char *filename = NULL;
6260
6261   if (elements_subdir2 == NULL)
6262     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6263
6264   checked_free(filename);
6265
6266   // 1st try: look for element description in current level set directory
6267   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6268   if (fileExists(filename))
6269     return filename;
6270
6271   free(filename);
6272
6273   // 2nd try: look for element description in the game's base directory
6274   filename = getPath3(options.docs_directory, elements_subdir, basename);
6275   if (fileExists(filename))
6276     return filename;
6277
6278   return NULL;
6279 }
6280
6281 static char *getElementDescriptionFilename(int element)
6282 {
6283   char basename[MAX_FILENAME_LEN];
6284   char *filename;
6285
6286   // 1st try: look for element description file for exactly this element
6287   sprintf(basename, "%s.txt", element_info[element].token_name);
6288   filename = getElementDescriptionFilenameExt(basename);
6289   if (filename != NULL)
6290     return filename;
6291
6292   // 2nd try: look for element description file for this element's class
6293   sprintf(basename, "%s.txt", element_info[element].class_name);
6294   filename = getElementDescriptionFilenameExt(basename);
6295   if (filename != NULL)
6296     return filename;
6297
6298   // 3rd try: look for generic fallback text file for any element
6299   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6300   if (filename != NULL)
6301     return filename;
6302
6303   return NULL;
6304 }
6305
6306 static boolean suppressBorderElement(void)
6307 {
6308   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6309           lev_fieldx <= MAX_ED_FIELDX &&
6310           lev_fieldy <= MAX_ED_FIELDY);
6311 }
6312
6313 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6314 {
6315   boolean element_found[NUM_FILE_ELEMENTS];
6316   int i, x, y;
6317
6318   // initialize list of used elements to "not used"
6319   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6320     element_found[i] = FALSE;
6321
6322   // find all elements used in current level
6323   for (y = 0; y < lev_fieldy; y++)
6324   {
6325     for (x = 0; x < lev_fieldx; x++)
6326     {
6327       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
6328         continue;
6329
6330       if (IS_MM_WALL(Tile[x][y]))
6331         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
6332       else
6333         element_found[Tile[x][y]] = TRUE;
6334     }
6335   }
6336
6337   *num_elements = 0;
6338
6339   // count number of elements used in current level
6340   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6341     if (element_found[i])
6342       (*num_elements)++;
6343
6344   // add space for up to 3 more elements for padding that may be needed
6345   *num_elements += 3;
6346
6347   // free memory for old list of elements, if needed
6348   checked_free(*elements);
6349
6350   // allocate memory for new list of elements
6351   *elements = checked_malloc(*num_elements * sizeof(int));
6352
6353   *num_elements = 0;
6354
6355   // add all elements used in current level (non-custom/group/empty elements)
6356   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6357     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
6358                               IS_GROUP_ELEMENT(i) ||
6359                               IS_EMPTY_ELEMENT(i)))
6360       (*elements)[(*num_elements)++] = i;
6361
6362   // add all elements used in current level (custom/group/empty elements)
6363   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6364     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
6365                              IS_GROUP_ELEMENT(i) ||
6366                              IS_EMPTY_ELEMENT(i)))
6367       (*elements)[(*num_elements)++] = i;
6368
6369   while (*num_elements % 4)     // pad with empty elements, if needed
6370     (*elements)[(*num_elements)++] = EL_EMPTY;
6371 }
6372
6373 static void ReinitializeElementList_EnableSections(void)
6374 {
6375   // default: enable all element sections
6376
6377   setup_editor_el_players               = TRUE;
6378   setup_editor_el_boulderdash           = TRUE;
6379   setup_editor_el_boulderdash_native    = TRUE;
6380   setup_editor_el_emerald_mine          = TRUE;
6381   setup_editor_el_emerald_mine_club     = TRUE;
6382   setup_editor_el_more                  = TRUE;
6383   setup_editor_el_sokoban               = TRUE;
6384   setup_editor_el_supaplex              = TRUE;
6385   setup_editor_el_diamond_caves         = TRUE;
6386   setup_editor_el_dx_boulderdash        = TRUE;
6387   setup_editor_el_mirror_magic          = TRUE;
6388   setup_editor_el_deflektor             = TRUE;
6389   setup_editor_el_chars                 = TRUE;
6390   setup_editor_el_steel_chars           = TRUE;
6391
6392   setup_editor_el_custom                = TRUE;
6393   setup_editor_el_user_defined          = TRUE;
6394   setup_editor_el_dynamic               = TRUE;
6395
6396   // now disable all element sections not to be displayed
6397
6398   if (!setup.editor.el_classic)
6399   {
6400     setup_editor_el_players             = FALSE;
6401     setup_editor_el_boulderdash         = FALSE;
6402     setup_editor_el_boulderdash_native  = FALSE;
6403     setup_editor_el_emerald_mine        = FALSE;
6404     setup_editor_el_emerald_mine_club   = FALSE;
6405     setup_editor_el_more                = FALSE;
6406     setup_editor_el_sokoban             = FALSE;
6407     setup_editor_el_supaplex            = FALSE;
6408     setup_editor_el_diamond_caves       = FALSE;
6409     setup_editor_el_dx_boulderdash      = FALSE;
6410     setup_editor_el_mirror_magic        = FALSE;
6411     setup_editor_el_deflektor           = FALSE;
6412     setup_editor_el_chars               = FALSE;
6413     setup_editor_el_steel_chars         = FALSE;
6414   }
6415
6416   if (!setup.editor.el_custom)
6417   {
6418     setup_editor_el_custom              = FALSE;
6419   }
6420
6421   if (!setup.editor.el_user_defined)
6422   {
6423     setup_editor_el_user_defined        = FALSE;
6424   }
6425
6426   if (!setup.editor.el_dynamic)
6427   {
6428     setup_editor_el_dynamic             = FALSE;
6429   }
6430
6431   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
6432   {
6433     setup_editor_el_boulderdash_native  = FALSE;
6434     setup_editor_el_mirror_magic        = FALSE;
6435     setup_editor_el_deflektor           = FALSE;
6436   }
6437   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
6438   {
6439     setup_editor_el_players             = FALSE;
6440     setup_editor_el_boulderdash         = FALSE;
6441     setup_editor_el_emerald_mine        = FALSE;
6442     setup_editor_el_emerald_mine_club   = FALSE;
6443     setup_editor_el_more                = FALSE;
6444     setup_editor_el_sokoban             = FALSE;
6445     setup_editor_el_supaplex            = FALSE;
6446     setup_editor_el_diamond_caves       = FALSE;
6447     setup_editor_el_dx_boulderdash      = FALSE;
6448     setup_editor_el_mirror_magic        = FALSE;
6449     setup_editor_el_deflektor           = FALSE;
6450     setup_editor_el_chars               = FALSE;
6451     setup_editor_el_steel_chars         = FALSE;
6452
6453     setup_editor_el_custom              = FALSE;
6454   }
6455   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
6456   {
6457     setup_editor_el_boulderdash         = FALSE;
6458     setup_editor_el_boulderdash_native  = FALSE;
6459     setup_editor_el_more                = FALSE;
6460     setup_editor_el_sokoban             = FALSE;
6461     setup_editor_el_supaplex            = FALSE;
6462     setup_editor_el_diamond_caves       = FALSE;
6463     setup_editor_el_dx_boulderdash      = FALSE;
6464     setup_editor_el_mirror_magic        = FALSE;
6465     setup_editor_el_deflektor           = FALSE;
6466     setup_editor_el_steel_chars         = FALSE;
6467
6468     setup_editor_el_custom              = FALSE;
6469   }
6470   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
6471   {
6472     setup_editor_el_players             = FALSE;
6473     setup_editor_el_boulderdash         = FALSE;
6474     setup_editor_el_boulderdash_native  = FALSE;
6475     setup_editor_el_emerald_mine        = FALSE;
6476     setup_editor_el_emerald_mine_club   = FALSE;
6477     setup_editor_el_more                = FALSE;
6478     setup_editor_el_sokoban             = FALSE;
6479     setup_editor_el_diamond_caves       = FALSE;
6480     setup_editor_el_dx_boulderdash      = FALSE;
6481     setup_editor_el_mirror_magic        = FALSE;
6482     setup_editor_el_deflektor           = FALSE;
6483     setup_editor_el_chars               = FALSE;
6484     setup_editor_el_steel_chars         = FALSE;
6485
6486     setup_editor_el_custom              = FALSE;
6487   }
6488   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
6489   {
6490     setup_editor_el_players             = FALSE;
6491     setup_editor_el_boulderdash         = FALSE;
6492     setup_editor_el_boulderdash_native  = FALSE;
6493     setup_editor_el_emerald_mine        = FALSE;
6494     setup_editor_el_emerald_mine_club   = FALSE;
6495     setup_editor_el_more                = FALSE;
6496     setup_editor_el_sokoban             = FALSE;
6497     setup_editor_el_supaplex            = FALSE;
6498     setup_editor_el_diamond_caves       = FALSE;
6499     setup_editor_el_dx_boulderdash      = FALSE;
6500     setup_editor_el_steel_chars         = FALSE;
6501
6502     setup_editor_el_custom              = FALSE;
6503   }
6504 }
6505
6506 static void ReinitializeElementList(void)
6507 {
6508   static boolean initialization_needed = TRUE;
6509   int pos = 0;
6510   int i, j;
6511
6512   ReinitializeElementList_EnableSections();
6513
6514   if (initialization_needed)
6515   {
6516     LoadSetup_EditorCascade();          // load last editor cascade state
6517
6518     // initialize editor cascade element from saved cascade state
6519     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6520     {
6521       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
6522       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
6523
6524       if (IS_EDITOR_CASCADE(*cascade_element))
6525         *cascade_element =
6526           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
6527            EL_CASCADE_INACTIVE(*cascade_element));
6528     }
6529
6530     initialization_needed = FALSE;
6531   }
6532
6533   checked_free(editor_elements);
6534
6535   // reload optional user defined element list for each invocation of editor
6536   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
6537                                    &num_editor_el_user_defined);
6538
6539   // initialize dynamic level element list for each invocation of editor
6540   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
6541                                &num_editor_el_dynamic);
6542
6543   // initialize list of empty elements (used for padding, if needed)
6544   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6545     editor_el_empty[i] = EL_EMPTY;
6546
6547   // do some sanity checks for each element from element list
6548   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6549   {
6550     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6551     {
6552       int element = (*editor_elements_info[i].element_list)[j];
6553
6554       if (element >= NUM_FILE_ELEMENTS)
6555         Warn("editor element %d is runtime element", element);
6556
6557       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
6558         Warn("no element description text for element %d", element);
6559     }
6560   }
6561
6562   num_editor_elements = 0;
6563   use_el_empty = FALSE;
6564
6565   // determine size of element list
6566   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6567   {
6568     if (*editor_elements_info[i].setup_value)
6569     {
6570       boolean found_inactive_cascade = FALSE;
6571
6572       if (setup.editor.el_headlines)
6573       {
6574         // required for correct padding of palette headline buttons
6575         if (*editor_elements_info[i].headline_list_size > 0)
6576           num_editor_elements += ED_ELEMENTLIST_COLS;
6577
6578         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6579         {
6580           int element = (*editor_elements_info[i].headline_list)[j];
6581
6582           if (IS_EDITOR_CASCADE_INACTIVE(element))
6583             found_inactive_cascade = TRUE;
6584         }
6585       }
6586
6587       if (found_inactive_cascade)
6588         continue;
6589
6590       // required for correct padding of palette element buttons
6591       int element_list_size = *editor_elements_info[i].element_list_size;
6592       int element_rows =
6593         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6594       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6595
6596       num_editor_elements += element_buttons;
6597     }
6598   }
6599
6600   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
6601   {
6602     // offer at least as many elements as element buttons exist
6603     use_el_empty = TRUE;
6604     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
6605
6606     num_editor_elements += num_editor_el_empty;
6607   }
6608   else
6609   {
6610     num_editor_el_empty = 0;
6611   }
6612
6613   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
6614
6615   // fill element list
6616   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6617   {
6618     boolean found_inactive_cascade = FALSE;
6619
6620     if (*editor_elements_info[i].setup_value)
6621     {
6622       if (setup.editor.el_headlines)
6623       {
6624         // required for correct padding of palette headline buttons
6625         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
6626                              ED_ELEMENTLIST_COLS : 0);
6627
6628         for (j = 0; j < headline_size; j++)
6629         {
6630           // use empty elements for padding of palette headline buttons
6631           int element = (j < *editor_elements_info[i].headline_list_size ?
6632                          (*editor_elements_info[i].headline_list)[j] :
6633                          editor_el_empty[0]);
6634
6635           editor_elements[pos++] = element;
6636
6637           if (IS_EDITOR_CASCADE_INACTIVE(element))
6638             found_inactive_cascade = TRUE;
6639         }
6640       }
6641
6642       if (found_inactive_cascade)
6643         continue;
6644
6645       // required for correct padding of palette element buttons
6646       int element_list_size = *editor_elements_info[i].element_list_size;
6647       int element_rows =
6648         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6649       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6650
6651       // copy all elements from element list
6652       for (j = 0; j < element_list_size; j++)
6653         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
6654
6655       // use empty elements for padding of palette element buttons
6656       for (j = 0; j < element_buttons - element_list_size; j++)
6657         editor_elements[pos++] = editor_el_empty[0];
6658     }
6659   }
6660
6661   // (this function is also called before editor gadgets are initialized!)
6662   AdjustElementListScrollbar();
6663 }
6664
6665 void PrintEditorElementList(void)
6666 {
6667   boolean *stop = &setup_editor_el_user_defined;
6668   int i, j;
6669
6670   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
6671   {
6672     int cascade_element = (*editor_elements_info[i].headline_list)[0];
6673
6674     if (IS_EDITOR_CASCADE(cascade_element))
6675     {
6676       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
6677       char *headline = element_info[cascade_element_show].editor_description;
6678
6679       PrintLineWithPrefix("# ", "-", 77);
6680       Print("# %s\n", headline);
6681       PrintLineWithPrefix("# ", "-", 77);
6682     }
6683
6684     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6685     {
6686       int element = (*editor_elements_info[i].headline_list)[j];
6687
6688       if (IS_EDITOR_CASCADE(element))
6689         element = EL_CHAR_MINUS;
6690
6691       Print("# %s\n", element_info[element].token_name);
6692     }
6693
6694     if (j > 0)
6695       Print("#\n");
6696
6697     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6698     {
6699       int element = (*editor_elements_info[i].element_list)[j];
6700
6701       Print("# %s\n", element_info[element].token_name);
6702     }
6703
6704     if (j > 0)
6705       Print("#\n");
6706   }
6707 }
6708
6709 static void ReinitializeElementListButtons(void)
6710 {
6711   static boolean last_setup_value_headlines = FALSE;
6712   static boolean initialization_needed = TRUE;
6713   int i;
6714
6715   if (!initialization_needed)   // check if editor element setup has changed
6716   {
6717     if (last_setup_value_headlines != setup.editor.el_headlines)
6718       initialization_needed = TRUE;
6719
6720     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6721       if (editor_elements_info[i].last_setup_value !=
6722           *editor_elements_info[i].setup_value)
6723         initialization_needed = TRUE;
6724   }
6725
6726   if (!initialization_needed)
6727     return;
6728
6729   FreeLevelEditorGadgets();
6730   CreateLevelEditorGadgets();
6731
6732   // store current setup values for next invocation of this function
6733   last_setup_value_headlines = setup.editor.el_headlines;
6734   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6735     editor_elements_info[i].last_setup_value =
6736       *editor_elements_info[i].setup_value;
6737
6738   initialization_needed = FALSE;
6739 }
6740
6741 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
6742                               boolean input)
6743 {
6744   int border_graphic =
6745     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
6746   struct GraphicInfo *g = &graphic_info[border_graphic];
6747   Bitmap *src_bitmap = g->bitmap;
6748   int src_x = g->src_x;
6749   int src_y = g->src_y;
6750   int border_size = g->border_size;
6751   int border_xpos = g->width  - border_size;
6752   int border_ypos = g->height - border_size;
6753   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6754   int i;
6755
6756   BlitBitmap(src_bitmap, drawto, src_x, src_y,
6757              border_size, border_size,
6758              dest_x - border_size, dest_y - border_size);
6759   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
6760              border_size, border_size,
6761              dest_x + width, dest_y - border_size);
6762   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
6763              border_size, border_size,
6764              dest_x - border_size, dest_y + height);
6765   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
6766              border_size, border_size,
6767              dest_x + width, dest_y + height);
6768
6769   for (i = 0; i < width / tilesize; i++)
6770   {
6771     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
6772                tilesize, border_size,
6773                dest_x + i * tilesize, dest_y - border_size);
6774     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
6775                tilesize, border_size,
6776                dest_x + i * tilesize, dest_y + height);
6777   }
6778
6779   for (i = 0; i < height / tilesize; i++)
6780   {
6781     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
6782                border_size, tilesize,
6783                dest_x - border_size, dest_y + i * tilesize);
6784     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
6785                border_size, tilesize,
6786                dest_x + width, dest_y + i * tilesize);
6787   }
6788
6789   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
6790 }
6791
6792 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
6793 {
6794   int xsize_tile = MAX(ed_tilesize, xsize);
6795   int ysize_tile = MAX(ed_tilesize, ysize);
6796   int xsize_full = xsize + 1;
6797   int ysize_full = ysize + 1;
6798   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
6799   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
6800   Pixel line_color = getTabulatorBarColor();
6801
6802   if (line_color == BLACK_PIXEL)                // black => transparent
6803     return;
6804
6805   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6806   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6807   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6808 }
6809
6810 static void DrawEditorLevelBorderLinesIfNeeded(void)
6811 {
6812   int xsize = lev_fieldx * ed_tilesize;
6813   int ysize = lev_fieldy * ed_tilesize;
6814   int line_size = getTabulatorBarHeight();
6815
6816   if (!suppressBorderElement())
6817     return;
6818
6819   // draw little border line around editable level playfield
6820
6821   if (xsize < SXSIZE)
6822     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6823
6824   if (ysize < SYSIZE)
6825     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6826
6827   if (xsize < SXSIZE && ysize < SYSIZE)
6828     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6829 }
6830
6831 static void DrawEditorElement(int x, int y, int element)
6832 {
6833   DrawSizedElement(x, y, element, ed_tilesize);
6834 }
6835
6836 static void DrawEditorElementThruMask(int x, int y, int element)
6837 {
6838   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6839 }
6840
6841 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6842 {
6843   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6844 }
6845
6846 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6847 {
6848   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6849   DrawEditorLevelBorderLinesIfNeeded();
6850 }
6851
6852 static void DrawDrawingArea(int id)
6853 {
6854   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6855   int x, y;
6856
6857   int *value = drawingarea_info[id].value;
6858   int area_xsize = drawingarea_info[id].area_xsize;
6859   int area_ysize = drawingarea_info[id].area_ysize;
6860   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6861
6862   for (x = 0; x < area_xsize; x++)
6863     for (y = 0; y < area_ysize; y++)
6864       DrawSizedGraphicExt(drawto,
6865                           gi->x + x * tilesize,
6866                           gi->y + y * tilesize,
6867                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6868 }
6869
6870 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6871 {
6872   int x, y;
6873   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6874   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6875
6876   BlitBitmap(drawto, drawto,
6877              SX + (dx == -1 ? ed_tilesize : 0),
6878              SY + (dy == -1 ? ed_tilesize : 0),
6879              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6880              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6881              SX + (dx == +1 ? ed_tilesize : 0),
6882              SY + (dy == +1 ? ed_tilesize : 0));
6883
6884   if (dx)
6885   {
6886     x = (dx == 1 ? 0 : ed_fieldx - 1);
6887     for (y = 0; y < ed_fieldy; y++)
6888       DrawEditorElementOrWall(x, y, from_x, from_y);
6889   }
6890   else if (dy)
6891   {
6892     y = (dy == 1 ? 0 : ed_fieldy - 1);
6893     for (x = 0; x < ed_fieldx; x++)
6894       DrawEditorElementOrWall(x, y, from_x, from_y);
6895   }
6896
6897   redraw_mask |= REDRAW_FIELD;
6898   BackToFront();
6899 }
6900
6901 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6902                                    int *x, int *y)
6903 {
6904   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6905 }
6906
6907 static void CreateControlButtons(void)
6908 {
6909   struct GadgetInfo *gi;
6910   int i;
6911
6912   // create toolbox buttons
6913   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6914   {
6915     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
6916     int id = controlbutton_info[i].gadget_id;
6917     int type = controlbutton_info[i].gadget_type;
6918     int graphic = controlbutton_info[i].graphic;
6919     struct XYTileSize *pos = controlbutton_info[i].pos;
6920     struct GraphicInfo *gd = &graphic_info[graphic];
6921     Bitmap *deco_bitmap = NULL;
6922     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6923     int tile_size = 0, deco_shift = 0;
6924     boolean deco_masked = FALSE;
6925     int gd_x1 = gd->src_x;
6926     int gd_y1 = gd->src_y;
6927     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6928     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6929     int gd_x1a = gd->src_x + gd->active_xoffset;
6930     int gd_y1a = gd->src_y + gd->active_yoffset;
6931     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6932     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6933     int x = pos->x;
6934     int y = pos->y;
6935     unsigned int event_mask;
6936     int radio_button_nr = RADIO_NR_NONE;
6937     boolean checked = FALSE;
6938
6939     if (type_id != i)
6940       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
6941
6942     if (type == GD_TYPE_RADIO_BUTTON)
6943     {
6944       event_mask = GD_EVENT_PRESSED;
6945       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6946
6947       if (id == drawing_function)
6948         checked = TRUE;
6949     }
6950     else
6951     {
6952       if (id == GADGET_ID_WRAP_LEFT ||
6953           id == GADGET_ID_WRAP_RIGHT ||
6954           id == GADGET_ID_WRAP_UP ||
6955           id == GADGET_ID_WRAP_DOWN)
6956         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6957       else
6958         event_mask = GD_EVENT_RELEASED;
6959     }
6960
6961     if (id == GADGET_ID_PROPERTIES ||
6962         id == GADGET_ID_PALETTE)
6963     {
6964       x += DX;
6965       y += DY;
6966     }
6967     else if (id == GADGET_ID_ELEMENT_LEFT ||
6968              id == GADGET_ID_ELEMENT_MIDDLE ||
6969              id == GADGET_ID_ELEMENT_RIGHT)
6970     {
6971       x += DX;
6972       y += DY;
6973
6974       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6975                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6976                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6977
6978       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6979                                    editor.button.element_left.tile_size :
6980                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6981                                    editor.button.element_middle.tile_size :
6982                                    id == GADGET_ID_ELEMENT_RIGHT ?
6983                                    editor.button.element_right.tile_size : 0);
6984
6985       // make sure that decoration does not overlap gadget border
6986       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6987
6988       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6989
6990       deco_xpos = (gd->width  - tile_size) / 2;
6991       deco_ypos = (gd->height - tile_size) / 2;
6992       deco_shift = 1;
6993       deco_masked = gd->draw_masked;
6994     }
6995     else
6996     {
6997       x += EX;
6998       y += EY;
6999     }
7000
7001     gi = CreateGadget(GDI_CUSTOM_ID, id,
7002                       GDI_CUSTOM_TYPE_ID, type_id,
7003                       GDI_IMAGE_ID, graphic,
7004                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7005                       GDI_X, x,
7006                       GDI_Y, y,
7007                       GDI_WIDTH, gd->width,
7008                       GDI_HEIGHT, gd->height,
7009                       GDI_TYPE, type,
7010                       GDI_STATE, GD_BUTTON_UNPRESSED,
7011                       GDI_RADIO_NR, radio_button_nr,
7012                       GDI_CHECKED, checked,
7013                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7014                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7015                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7016                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7017                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7018                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7019                       GDI_DECORATION_SIZE, tile_size, tile_size,
7020                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7021                       GDI_DECORATION_MASKED, deco_masked,
7022                       GDI_EVENT_MASK, event_mask,
7023                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7024                       GDI_CALLBACK_ACTION, HandleControlButtons,
7025                       GDI_END);
7026
7027     if (gi == NULL)
7028       Fail("cannot create gadget");
7029
7030     level_editor_gadget[id] = gi;
7031   }
7032
7033   // these values are not constant, but can change at runtime
7034   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7035   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7036   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7037   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7038   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7039   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7040   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7041   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7042   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7043   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7044   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7045   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7046
7047   // create buttons for scrolling of drawing area and element list
7048   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7049   {
7050     int id = scrollbutton_info[i].gadget_id;
7051     int type_id = scrollbutton_info[i].gadget_type_id;
7052     int graphic = scrollbutton_info[i].graphic;
7053     struct GraphicInfo *gd = &graphic_info[graphic];
7054     Bitmap *gd_bitmap = gd->bitmap;
7055     int gd_x1 = gd->src_x;
7056     int gd_y1 = gd->src_y;
7057     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7058     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7059     int width  = gd->width;
7060     int height = gd->height;
7061     int x = scrollbutton_pos[i].x;
7062     int y = scrollbutton_pos[i].y;
7063     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7064
7065     if (type_id != i)
7066       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7067
7068     if (id == GADGET_ID_SCROLL_LIST_UP ||
7069         id == GADGET_ID_SCROLL_LIST_DOWN)
7070     {
7071       x += PX;
7072       y += PY;
7073     }
7074     else
7075     {
7076       x += SX;
7077       y += SY;
7078     }
7079
7080     gi = CreateGadget(GDI_CUSTOM_ID, id,
7081                       GDI_CUSTOM_TYPE_ID, type_id,
7082                       GDI_IMAGE_ID, graphic,
7083                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7084                       GDI_X, x,
7085                       GDI_Y, y,
7086                       GDI_WIDTH, width,
7087                       GDI_HEIGHT, height,
7088                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7089                       GDI_STATE, GD_BUTTON_UNPRESSED,
7090                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7091                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7092                       GDI_EVENT_MASK, event_mask,
7093                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7094                       GDI_CALLBACK_ACTION, HandleControlButtons,
7095                       GDI_END);
7096
7097     if (gi == NULL)
7098       Fail("cannot create gadget");
7099
7100     level_editor_gadget[id] = gi;
7101   }
7102
7103   // create buttons for element list
7104   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7105   {
7106     int type_id = i;
7107     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7108     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7109     struct GraphicInfo *gd = &graphic_info[graphic];
7110     Bitmap *gd_bitmap = gd->bitmap;
7111     Bitmap *deco_bitmap;
7112     int deco_x, deco_y, deco_xpos, deco_ypos;
7113     int gd_x1 = gd->src_x;
7114     int gd_y1 = gd->src_y;
7115     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7116     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7117     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7118     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7119     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7120     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7121     int element = editor_elements[i];
7122     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7123     unsigned int event_mask = GD_EVENT_RELEASED;
7124
7125     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7126
7127     deco_xpos = (gd->width  - tile_size) / 2;
7128     deco_ypos = (gd->height - tile_size) / 2;
7129
7130     gi = CreateGadget(GDI_CUSTOM_ID, id,
7131                       GDI_CUSTOM_TYPE_ID, type_id,
7132                       GDI_IMAGE_ID, graphic,
7133                       GDI_INFO_TEXT, getElementInfoText(element),
7134                       GDI_X, x,
7135                       GDI_Y, y,
7136                       GDI_WIDTH, gd->width,
7137                       GDI_HEIGHT, gd->height,
7138                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7139                       GDI_STATE, GD_BUTTON_UNPRESSED,
7140                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7141                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7142                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7143                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7144                       GDI_DECORATION_SIZE, tile_size, tile_size,
7145                       GDI_DECORATION_SHIFTING, 1, 1,
7146                       GDI_EVENT_MASK, event_mask,
7147                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7148                       GDI_CALLBACK_ACTION, HandleControlButtons,
7149                       GDI_END);
7150
7151     if (gi == NULL)
7152       Fail("cannot create gadget");
7153
7154     level_editor_gadget[id] = gi;
7155   }
7156 }
7157
7158 static void CreateCounterButtons(void)
7159 {
7160   int max_infotext_len = getMaxInfoTextLength();
7161   int i;
7162
7163   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7164   {
7165     int type_id = counterbutton_info[i].gadget_type_id;
7166     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7167     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7168     int j;
7169
7170     if (type_id != i)
7171       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7172
7173     // determine horizontal position to the right of specified gadget
7174     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7175       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7176            ED_GADGET_TEXT_DISTANCE);
7177
7178     // determine horizontal offset for leading text
7179     if (counterbutton_info[i].text_left != NULL)
7180       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7181
7182     for (j = 0; j < 2; j++)
7183     {
7184       struct GadgetInfo *gi;
7185       int id = (j == 0 ?
7186                 counterbutton_info[i].gadget_id_down :
7187                 counterbutton_info[i].gadget_id_up);
7188       int graphic;
7189       struct GraphicInfo *gd;
7190       int gd_x1, gd_x2, gd_y1, gd_y2;
7191       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7192       char infotext[max_infotext_len + 1];
7193
7194       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7195       {
7196         graphic = (j == 0 ?
7197                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7198                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7199
7200         event_mask |= GD_EVENT_RELEASED;
7201
7202         if (j == 0)
7203         {
7204           x = DX + editor.button.prev_level.x;
7205           y = DY + editor.button.prev_level.y;
7206         }
7207         else
7208         {
7209           x = DX + editor.button.next_level.x;
7210           y = DY + editor.button.next_level.y;
7211         }
7212       }
7213       else
7214       {
7215         graphic = (j == 0 ?
7216                    IMG_EDITOR_COUNTER_DOWN :
7217                    IMG_EDITOR_COUNTER_UP);
7218       }
7219
7220       gd = &graphic_info[graphic];
7221
7222       gd_x1 = gd->src_x;
7223       gd_y1 = gd->src_y;
7224       gd_x2 = gd->src_x + gd->pressed_xoffset;
7225       gd_y2 = gd->src_y + gd->pressed_yoffset;
7226
7227       sprintf(infotext, "%s counter value by 1, 5 or 10",
7228               (j == 0 ? "decrease" : "increase"));
7229
7230       gi = CreateGadget(GDI_CUSTOM_ID, id,
7231                         GDI_CUSTOM_TYPE_ID, type_id,
7232                         GDI_IMAGE_ID, graphic,
7233                         GDI_INFO_TEXT, infotext,
7234                         GDI_X, x,
7235                         GDI_Y, y,
7236                         GDI_WIDTH, gd->width,
7237                         GDI_HEIGHT, gd->height,
7238                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7239                         GDI_STATE, GD_BUTTON_UNPRESSED,
7240                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7241                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7242                         GDI_EVENT_MASK, event_mask,
7243                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7244                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7245                         GDI_END);
7246
7247       if (gi == NULL)
7248         Fail("cannot create gadget");
7249
7250       level_editor_gadget[id] = gi;
7251       right_gadget_border[id] =
7252         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7253
7254       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7255
7256       if (j == 0)
7257       {
7258         int font_type = FONT_INPUT_1;
7259         int font_type_active = FONT_INPUT_1_ACTIVE;
7260
7261         id = counterbutton_info[i].gadget_id_text;
7262
7263         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7264
7265         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7266         {
7267           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7268
7269           font_type = FONT_LEVEL_NUMBER;
7270           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7271
7272           x = DX + editor.input.level_number.x;
7273           y = DY + editor.input.level_number.y;
7274         }
7275         else
7276         {
7277           graphic = IMG_EDITOR_COUNTER_INPUT;
7278         }
7279
7280         gd = &graphic_info[graphic];
7281
7282         gd_x1 = gd->src_x;
7283         gd_y1 = gd->src_y;
7284         gd_x2 = gd->src_x + gd->active_xoffset;
7285         gd_y2 = gd->src_y + gd->active_yoffset;
7286
7287         gi = CreateGadget(GDI_CUSTOM_ID, id,
7288                           GDI_CUSTOM_TYPE_ID, type_id,
7289                           GDI_IMAGE_ID, graphic,
7290                           GDI_INFO_TEXT, "enter counter value",
7291                           GDI_X, x,
7292                           GDI_Y, y,
7293                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
7294                           GDI_NUMBER_VALUE, 0,
7295                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
7296                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
7297                           GDI_TEXT_SIZE, 3,     // minimal counter text size
7298                           GDI_TEXT_FONT, font_type,
7299                           GDI_TEXT_FONT_ACTIVE, font_type_active,
7300                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7301                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7302                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7303                           GDI_DESIGN_WIDTH, gd->width,
7304                           GDI_EVENT_MASK, event_mask,
7305                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7306                           GDI_CALLBACK_ACTION, HandleCounterButtons,
7307                           GDI_END);
7308
7309         if (gi == NULL)
7310           Fail("cannot create gadget");
7311
7312         level_editor_gadget[id] = gi;
7313         right_gadget_border[id] =
7314           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7315
7316         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
7317       }
7318     }
7319   }
7320 }
7321
7322 static void CreateDrawingAreas(void)
7323 {
7324   int i;
7325
7326   // these values are not constant, but can change at runtime
7327   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
7328   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
7329
7330   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
7331   {
7332     struct GadgetInfo *gi;
7333     int id = drawingarea_info[i].gadget_id;
7334     int type_id = drawingarea_info[i].gadget_type_id;
7335     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
7336     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
7337     int area_xsize = drawingarea_info[i].area_xsize;
7338     int area_ysize = drawingarea_info[i].area_ysize;
7339     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
7340                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
7341     unsigned int event_mask =
7342       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
7343       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
7344
7345     if (type_id != i)
7346       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
7347
7348     // determine horizontal position to the right of specified gadget
7349     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
7350       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
7351            ED_DRAWINGAREA_TEXT_DISTANCE);
7352
7353     // determine horizontal offset for leading text
7354     if (drawingarea_info[i].text_left != NULL)
7355       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
7356
7357     gi = CreateGadget(GDI_CUSTOM_ID, id,
7358                       GDI_CUSTOM_TYPE_ID, type_id,
7359                       GDI_X, x,
7360                       GDI_Y, y,
7361                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
7362                       GDI_AREA_SIZE, area_xsize, area_ysize,
7363                       GDI_ITEM_SIZE, item_size, item_size,
7364                       GDI_EVENT_MASK, event_mask,
7365                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
7366                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
7367                       GDI_END);
7368
7369     if (gi == NULL)
7370       Fail("cannot create gadget");
7371
7372     level_editor_gadget[id] = gi;
7373     right_gadget_border[id] =
7374       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
7375   }
7376 }
7377
7378 static void CreateTextInputGadgets(void)
7379 {
7380   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
7381   int max_infotext_len = getMaxInfoTextLength();
7382   int i;
7383
7384   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
7385   {
7386     int gd_x1 = gd->src_x;
7387     int gd_y1 = gd->src_y;
7388     int gd_x2 = gd->src_x + gd->active_xoffset;
7389     int gd_y2 = gd->src_y + gd->active_yoffset;
7390     struct GadgetInfo *gi;
7391     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7392     char infotext[MAX_OUTPUT_LINESIZE + 1];
7393     int id = textinput_info[i].gadget_id;
7394     int type_id = textinput_info[i].gadget_type_id;
7395     int x, y;
7396
7397     if (type_id != i)
7398       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
7399
7400     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
7401     {
7402       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
7403       int border_size = gd->border_size;
7404       int font_nr = FONT_INPUT_1;
7405       int font_height = getFontHeight(font_nr);
7406       int xoffset = element_border + TILEX + element_border + 3 * border_size;
7407       int yoffset = element_border + (TILEY - font_height) / 2;
7408
7409       x = (editor.settings.element_name.x != -1 ?
7410            editor.settings.element_name.x :
7411            editor.settings.element_graphic.x + xoffset) - border_size;
7412       y = (editor.settings.element_name.y != -1 ?
7413            editor.settings.element_name.y :
7414            editor.settings.element_graphic.y + yoffset) - border_size;
7415     }
7416     else
7417     {
7418       x = ED_SETTINGS_X(textinput_info[i].x);
7419       y = ED_SETTINGS_Y(textinput_info[i].y);
7420     }
7421
7422     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
7423     infotext[max_infotext_len] = '\0';
7424
7425     gi = CreateGadget(GDI_CUSTOM_ID, id,
7426                       GDI_CUSTOM_TYPE_ID, type_id,
7427                       GDI_INFO_TEXT, infotext,
7428                       GDI_X, SX + x,
7429                       GDI_Y, SY + y,
7430                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
7431                       GDI_TEXT_VALUE, textinput_info[i].value,
7432                       GDI_TEXT_SIZE, textinput_info[i].size,
7433                       GDI_TEXT_FONT, FONT_INPUT_1,
7434                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7435                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7436                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7437                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7438                       GDI_DESIGN_WIDTH, gd->width,
7439                       GDI_EVENT_MASK, event_mask,
7440                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7441                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
7442                       GDI_END);
7443
7444     if (gi == NULL)
7445       Fail("cannot create gadget");
7446
7447     level_editor_gadget[id] = gi;
7448   }
7449 }
7450
7451 static void CreateTextAreaGadgets(void)
7452 {
7453   int max_infotext_len = getMaxInfoTextLength();
7454   int i;
7455
7456   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
7457   {
7458     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
7459     int gd_x1 = gd->src_x;
7460     int gd_y1 = gd->src_y;
7461     int gd_x2 = gd->src_x + gd->active_xoffset;
7462     int gd_y2 = gd->src_y + gd->active_yoffset;
7463     struct GadgetInfo *gi;
7464     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
7465     char infotext[MAX_OUTPUT_LINESIZE + 1];
7466     int id = textarea_info[i].gadget_id;
7467     int type_id = textarea_info[i].gadget_type_id;
7468     int area_xsize = textarea_info[i].xsize;
7469     int area_ysize = textarea_info[i].ysize;
7470
7471     if (type_id != i)
7472       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
7473
7474     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
7475     infotext[max_infotext_len] = '\0';
7476
7477     gi = CreateGadget(GDI_CUSTOM_ID, id,
7478                       GDI_CUSTOM_TYPE_ID, type_id,
7479                       GDI_INFO_TEXT, infotext,
7480                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
7481                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
7482                       GDI_TYPE, GD_TYPE_TEXT_AREA,
7483                       GDI_AREA_SIZE, area_xsize, area_ysize,
7484                       GDI_TEXT_FONT, FONT_INPUT_1,
7485                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7486                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7487                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7488                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7489                       GDI_DESIGN_WIDTH, gd->width,
7490                       GDI_EVENT_MASK, event_mask,
7491                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7492                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
7493                       GDI_END);
7494
7495     if (gi == NULL)
7496       Fail("cannot create gadget");
7497
7498     level_editor_gadget[id] = gi;
7499   }
7500 }
7501
7502 static void CreateSelectboxGadgets(void)
7503 {
7504   int max_infotext_len = getMaxInfoTextLength();
7505   int i, j;
7506
7507   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7508   {
7509     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
7510     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
7511     int gd_x1 = gd->src_x;
7512     int gd_y1 = gd->src_y;
7513     int gd_x2 = gd->src_x + gd->active_xoffset;
7514     int gd_y2 = gd->src_y + gd->active_yoffset;
7515     int selectbox_button_xsize = gd2->width;
7516     struct GadgetInfo *gi;
7517     char infotext[MAX_OUTPUT_LINESIZE + 1];
7518     int id = selectbox_info[i].gadget_id;
7519     int type_id = selectbox_info[i].gadget_type_id;
7520     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
7521     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
7522     unsigned int event_mask =
7523       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7524
7525     if (type_id != i)
7526       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
7527
7528     if (selectbox_info[i].size == -1)   // dynamically determine size
7529     {
7530       // (we cannot use -1 for uninitialized values if we directly compare
7531       // with results from strlen(), because the '<' and '>' operation will
7532       // implicitely cast -1 to an unsigned integer value!)
7533       selectbox_info[i].size = 0;
7534
7535       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
7536         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
7537           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
7538
7539       selectbox_info[i].size++;         // add one character empty space
7540     }
7541
7542     // determine horizontal position to the right of specified gadget
7543     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
7544       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
7545            ED_GADGET_TEXT_DISTANCE);
7546
7547     // determine horizontal offset for leading text
7548     if (selectbox_info[i].text_left != NULL)
7549       x += getTextWidthForGadget(selectbox_info[i].text_left);
7550
7551     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
7552     infotext[max_infotext_len] = '\0';
7553
7554     gi = CreateGadget(GDI_CUSTOM_ID, id,
7555                       GDI_CUSTOM_TYPE_ID, type_id,
7556                       GDI_INFO_TEXT, infotext,
7557                       GDI_X, x,
7558                       GDI_Y, y,
7559                       GDI_TYPE, GD_TYPE_SELECTBOX,
7560                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
7561                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
7562                       GDI_TEXT_SIZE, selectbox_info[i].size,
7563                       GDI_TEXT_FONT, FONT_INPUT_1,
7564                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7565                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
7566                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7567                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7568                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7569                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
7570                       GDI_DESIGN_WIDTH, gd->width,
7571                       GDI_EVENT_MASK, event_mask,
7572                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7573                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
7574                       GDI_END);
7575
7576     if (gi == NULL)
7577       Fail("cannot create gadget");
7578
7579     level_editor_gadget[id] = gi;
7580     right_gadget_border[id] =
7581       getRightGadgetBorder(gi, selectbox_info[i].text_right);
7582   }
7583 }
7584
7585 static void CreateTextbuttonGadgets(void)
7586 {
7587   int max_infotext_len = getMaxInfoTextLength();
7588   int i;
7589
7590   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
7591   {
7592     int id = textbutton_info[i].gadget_id;
7593     int type_id = textbutton_info[i].gadget_type_id;
7594     int is_tab_button =
7595       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
7596        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
7597     int graphic =
7598       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
7599     int gadget_distance =
7600       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
7601     struct GraphicInfo *gd = &graphic_info[graphic];
7602     int gd_x1 = gd->src_x;
7603     int gd_y1 = gd->src_y;
7604     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7605     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7606     int gd_x1a = gd->src_x + gd->active_xoffset;
7607     int gd_y1a = gd->src_y + gd->active_yoffset;
7608     int border_xsize = gd->border_size + gd->draw_xoffset;
7609     int border_ysize = gd->border_size;
7610     struct GadgetInfo *gi;
7611     unsigned int event_mask = GD_EVENT_RELEASED;
7612     char infotext[MAX_OUTPUT_LINESIZE + 1];
7613     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
7614     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
7615
7616     if (type_id != i)
7617       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
7618
7619     if (textbutton_info[i].size == -1)  // dynamically determine size
7620       textbutton_info[i].size = strlen(textbutton_info[i].text);
7621
7622     sprintf(infotext, "%s", textbutton_info[i].infotext);
7623     infotext[max_infotext_len] = '\0';
7624
7625     // determine horizontal position to the right of specified gadget
7626     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7627     {
7628       int gadget_id_align = textbutton_info[i].gadget_id_align;
7629
7630       x = right_gadget_border[gadget_id_align] + gadget_distance;
7631
7632       if (textbutton_info[i].y == -1)
7633         y = level_editor_gadget[gadget_id_align]->y;
7634     }
7635
7636     // determine horizontal offset for leading text
7637     if (textbutton_info[i].text_left != NULL)
7638       x += getTextWidthForGadget(textbutton_info[i].text_left);
7639
7640     gi = CreateGadget(GDI_CUSTOM_ID, id,
7641                       GDI_CUSTOM_TYPE_ID, type_id,
7642                       GDI_IMAGE_ID, graphic,
7643                       GDI_INFO_TEXT, infotext,
7644                       GDI_X, x,
7645                       GDI_Y, y,
7646                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
7647                       GDI_TEXT_VALUE, textbutton_info[i].text,
7648                       GDI_TEXT_SIZE, textbutton_info[i].size,
7649                       GDI_TEXT_FONT, FONT_INPUT_2,
7650                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
7651                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7652                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7653                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7654                       GDI_BORDER_SIZE, border_xsize, border_ysize,
7655                       GDI_DESIGN_WIDTH, gd->width,
7656                       GDI_DECORATION_SHIFTING, 1, 1,
7657                       GDI_EVENT_MASK, event_mask,
7658                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7659                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
7660                       GDI_END);
7661
7662     if (gi == NULL)
7663       Fail("cannot create gadget");
7664
7665     level_editor_gadget[id] = gi;
7666     right_gadget_border[id] =
7667       getRightGadgetBorder(gi, textbutton_info[i].text_right);
7668   }
7669 }
7670
7671 static void CreateGraphicbuttonGadgets(void)
7672 {
7673   struct GadgetInfo *gi;
7674   int i;
7675
7676   // create buttons for scrolling of drawing area and element list
7677   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
7678   {
7679     int id = graphicbutton_info[i].gadget_id;
7680     int type_id = graphicbutton_info[i].gadget_type_id;
7681     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
7682     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
7683     int graphic = graphicbutton_info[i].graphic;
7684     struct GraphicInfo *gd = &graphic_info[graphic];
7685     int gd_x1 = gd->src_x;
7686     int gd_y1 = gd->src_y;
7687     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7688     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7689     unsigned int event_mask = GD_EVENT_RELEASED;
7690
7691     if (type_id != i)
7692       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
7693
7694     // determine horizontal position to the right of specified gadget
7695     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7696       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
7697            ED_GADGET_TEXT_DISTANCE);
7698
7699     // determine horizontal offset for leading text
7700     if (graphicbutton_info[i].text_left != NULL)
7701       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
7702
7703     gi = CreateGadget(GDI_CUSTOM_ID, id,
7704                       GDI_CUSTOM_TYPE_ID, type_id,
7705                       GDI_IMAGE_ID, graphic,
7706                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
7707                       GDI_X, x,
7708                       GDI_Y, y,
7709                       GDI_WIDTH, gd->width,
7710                       GDI_HEIGHT, gd->height,
7711                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7712                       GDI_STATE, GD_BUTTON_UNPRESSED,
7713                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7714                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7715                       GDI_EVENT_MASK, event_mask,
7716                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7717                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
7718                       GDI_END);
7719
7720     if (gi == NULL)
7721       Fail("cannot create gadget");
7722
7723     level_editor_gadget[id] = gi;
7724     right_gadget_border[id] =
7725       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
7726   }
7727 }
7728
7729 static void CreateScrollbarGadgets(void)
7730 {
7731   int i;
7732
7733   // these values are not constant, but can change at runtime
7734   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
7735     SX + ED_SCROLL_HORIZONTAL_XPOS;
7736   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
7737     SY + ED_SCROLL_HORIZONTAL_YPOS;
7738   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
7739     ED_SCROLL_HORIZONTAL_XSIZE;
7740   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
7741     ED_SCROLL_HORIZONTAL_YSIZE;
7742   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
7743   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
7744   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
7745   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
7746
7747   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
7748     SX + ED_SCROLL_VERTICAL_XPOS;
7749   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
7750     SY + ED_SCROLL_VERTICAL_YPOS;
7751   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
7752     ED_SCROLL_VERTICAL_XSIZE;
7753   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
7754     ED_SCROLL_VERTICAL_YSIZE;
7755   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
7756   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
7757   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
7758   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
7759
7760   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
7761     PX + ED_SCROLL2_VERTICAL_XPOS;
7762   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
7763     PY + ED_SCROLL2_VERTICAL_YPOS;
7764   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
7765     ED_SCROLL2_VERTICAL_XSIZE;
7766   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
7767     ED_SCROLL2_VERTICAL_YSIZE;
7768   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
7769   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
7770   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
7771   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
7772
7773   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
7774   {
7775     int id = scrollbar_info[i].gadget_id;
7776     int type_id = scrollbar_info[i].gadget_type_id;
7777     int graphic = scrollbar_info[i].graphic;
7778     struct GraphicInfo *gd = &graphic_info[graphic];
7779     int gd_x1 = gd->src_x;
7780     int gd_y1 = gd->src_y;
7781     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7782     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7783     struct GadgetInfo *gi;
7784     int items_max, items_visible, item_position;
7785     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
7786
7787     if (type_id != i)
7788       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
7789
7790     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
7791     {
7792       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7793       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7794       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7795     }
7796     else        // drawing area scrollbars
7797     {
7798       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
7799       {
7800         items_max = MAX(lev_fieldx + 2, ed_fieldx);
7801         items_visible = ed_fieldx;
7802         item_position = 0;
7803       }
7804       else
7805       {
7806         items_max = MAX(lev_fieldy + 2, ed_fieldy);
7807         items_visible = ed_fieldy;
7808         item_position = 0;
7809       }
7810     }
7811
7812     gi = CreateGadget(GDI_CUSTOM_ID, id,
7813                       GDI_CUSTOM_TYPE_ID, type_id,
7814                       GDI_IMAGE_ID, graphic,
7815                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
7816                       GDI_X, scrollbar_pos[i].x,
7817                       GDI_Y, scrollbar_pos[i].y,
7818                       GDI_WIDTH, scrollbar_pos[i].width,
7819                       GDI_HEIGHT, scrollbar_pos[i].height,
7820                       GDI_TYPE, scrollbar_info[i].type,
7821                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
7822                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7823                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
7824                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
7825                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
7826                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
7827                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
7828                       GDI_STATE, GD_BUTTON_UNPRESSED,
7829                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7830                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7831                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7832                       GDI_EVENT_MASK, event_mask,
7833                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7834                       GDI_CALLBACK_ACTION, HandleControlButtons,
7835                       GDI_END);
7836
7837     if (gi == NULL)
7838       Fail("cannot create gadget");
7839
7840     level_editor_gadget[id] = gi;
7841   }
7842 }
7843
7844 static void CreateCheckbuttonGadgets(void)
7845 {
7846   struct GadgetInfo *gi;
7847   int i;
7848
7849   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7850   {
7851     int id = checkbutton_info[i].gadget_id;
7852     int type_id = checkbutton_info[i].gadget_type_id;
7853     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7854                    IMG_EDITOR_CHECKBOX);
7855     struct GraphicInfo *gd = &graphic_info[graphic];
7856     int gd_x1 = gd->src_x;
7857     int gd_y1 = gd->src_y;
7858     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7859     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7860     int gd_x1a = gd->src_x + gd->active_xoffset;
7861     int gd_y1a = gd->src_y + gd->active_yoffset;
7862     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7863     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7864     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7865     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7866     unsigned int event_mask = GD_EVENT_PRESSED;
7867
7868     if (type_id != i)
7869       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
7870
7871     // determine horizontal position to the right of specified gadget
7872     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7873       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7874            ED_GADGET_TEXT_DISTANCE);
7875
7876     // determine horizontal offset for leading text
7877     if (checkbutton_info[i].text_left != NULL)
7878       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7879
7880     gi = CreateGadget(GDI_CUSTOM_ID, id,
7881                       GDI_CUSTOM_TYPE_ID, type_id,
7882                       GDI_IMAGE_ID, graphic,
7883                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7884                       GDI_X, x,
7885                       GDI_Y, y,
7886                       GDI_WIDTH, gd->width,
7887                       GDI_HEIGHT, gd->height,
7888                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7889                       GDI_CHECKED, *checkbutton_info[i].value,
7890                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7891                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7892                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7893                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7894                       GDI_EVENT_MASK, event_mask,
7895                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7896                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7897                       GDI_END);
7898
7899     if (gi == NULL)
7900       Fail("cannot create gadget");
7901
7902     level_editor_gadget[id] = gi;
7903     right_gadget_border[id] =
7904       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7905   }
7906 }
7907
7908 static void CreateRadiobuttonGadgets(void)
7909 {
7910   int graphic = IMG_EDITOR_RADIOBUTTON;
7911   struct GraphicInfo *gd = &graphic_info[graphic];
7912   int gd_x1 = gd->src_x;
7913   int gd_y1 = gd->src_y;
7914   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7915   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7916   int gd_x1a = gd->src_x + gd->active_xoffset;
7917   int gd_y1a = gd->src_y + gd->active_yoffset;
7918   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7919   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7920   struct GadgetInfo *gi;
7921   int i;
7922
7923   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7924   {
7925     int id = radiobutton_info[i].gadget_id;
7926     int type_id = radiobutton_info[i].gadget_type_id;
7927     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7928     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7929     unsigned int event_mask = GD_EVENT_PRESSED;
7930
7931     if (type_id != i)
7932       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
7933
7934     int checked =
7935       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7936
7937     // determine horizontal position to the right of specified gadget
7938     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7939       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7940            ED_GADGET_TEXT_DISTANCE);
7941
7942     // determine horizontal offset for leading text
7943     if (radiobutton_info[i].text_left != NULL)
7944       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7945
7946     gi = CreateGadget(GDI_CUSTOM_ID, id,
7947                       GDI_CUSTOM_TYPE_ID, type_id,
7948                       GDI_IMAGE_ID, graphic,
7949                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7950                       GDI_X, x,
7951                       GDI_Y, y,
7952                       GDI_WIDTH, gd->width,
7953                       GDI_HEIGHT, gd->height,
7954                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7955                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7956                       GDI_CHECKED, checked,
7957                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7958                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7959                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7960                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7961                       GDI_EVENT_MASK, event_mask,
7962                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7963                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7964                       GDI_END);
7965
7966     if (gi == NULL)
7967       Fail("cannot create gadget");
7968
7969     level_editor_gadget[id] = gi;
7970     right_gadget_border[id] =
7971       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7972   }
7973 }
7974
7975 void CreateLevelEditorGadgets(void)
7976 {
7977   // force EDITOR font inside level editor
7978   SetFontStatus(GAME_MODE_EDITOR);
7979
7980   // these values are not constant, but can change at runtime
7981   ed_fieldx = MAX_ED_FIELDX - 1;
7982   ed_fieldy = MAX_ED_FIELDY - 1;
7983
7984   num_editor_gadgets = NUM_EDITOR_GADGETS;
7985
7986   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
7987
7988   level_editor_gadget =
7989     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7990   right_gadget_border =
7991     checked_calloc(num_editor_gadgets * sizeof(int));
7992
7993   // set number of empty (padding) element buttons to maximum number of buttons
7994   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
7995
7996   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
7997   editor_el_empty_ptr = editor_el_empty;
7998
7999   use_permanent_palette = !editor.palette.show_as_separate_screen;
8000
8001   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8002
8003   ReinitializeElementList();
8004
8005   CreateControlButtons();
8006   CreateScrollbarGadgets();
8007
8008   // order of function calls is important because of cross-references
8009   CreateCheckbuttonGadgets();
8010   CreateCounterButtons();
8011   CreateRadiobuttonGadgets();
8012   CreateTextInputGadgets();
8013   CreateTextAreaGadgets();
8014   CreateSelectboxGadgets();
8015   CreateGraphicbuttonGadgets();
8016   CreateTextbuttonGadgets();
8017   CreateDrawingAreas();
8018
8019   ResetFontStatus();
8020 }
8021
8022 void FreeLevelEditorGadgets(void)
8023 {
8024   int i;
8025
8026   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8027
8028   for (i = 0; i < num_editor_gadgets; i++)
8029   {
8030     FreeGadget(level_editor_gadget[i]);
8031
8032     level_editor_gadget[i] = NULL;
8033   }
8034
8035   checked_free(level_editor_gadget);
8036   checked_free(right_gadget_border);
8037
8038   checked_free(editor_el_empty);
8039 }
8040
8041 static void MapCounterButtons(int id)
8042 {
8043   int font_nr = FONT_TEXT_1;
8044   int font_height = getFontHeight(font_nr);
8045   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8046   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8047   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8048   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8049   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8050   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8051   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8052   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8053   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8054   int yoffset = (gi_down->height - font_height) / 2;
8055   int x_left = gi_down->x - xoffset_left;
8056   int x_right;  // set after gadget position was modified
8057   int y_above = gi_down->y - yoffset_above;
8058   int x = gi_down->x;
8059   int y;        // set after gadget position was modified
8060
8061   // counter limits must be changed first to prevent value truncation
8062   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8063                             counterbutton_info[id].max_value);
8064
8065   // right text position might have changed after setting position above
8066   x_right = gi_up->x + gi_up->width + xoffset_right;
8067
8068   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8069
8070   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
8071   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8072       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8073   {
8074     ModifyGadget(gi_down, GDI_Y,
8075                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8076     ModifyGadget(gi_text, GDI_Y,
8077                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8078     ModifyGadget(gi_up,   GDI_Y,
8079                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8080   }
8081
8082   // vertical position might have changed after setting position above
8083   y = gi_up->y + yoffset;
8084
8085   if (counterbutton_info[id].text_above)
8086     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8087
8088   if (counterbutton_info[id].text_left)
8089     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8090
8091   if (counterbutton_info[id].text_right)
8092     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8093
8094   MapGadget(gi_down);
8095   MapGadget(gi_text);
8096   MapGadget(gi_up);
8097 }
8098
8099 static void MapControlButtons(void)
8100 {
8101   int counter_id;
8102   int i;
8103
8104   // map toolbox buttons (excluding special CE toolbox buttons)
8105   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8106     MapGadget(level_editor_gadget[i]);
8107
8108   // map toolbox buttons (element properties buttons)
8109   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8110     MapGadget(level_editor_gadget[i]);
8111
8112   if (use_permanent_palette)
8113   {
8114     // map buttons to select elements
8115     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8116       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8117     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8118     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8119     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8120   }
8121
8122   // map buttons to select level
8123   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8124   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8125   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8126   MapCounterButtons(counter_id);
8127 }
8128
8129 static void MapDrawingArea(int id)
8130 {
8131   int font_nr = FONT_TEXT_1;
8132   int font_height = getFontHeight(font_nr);
8133   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8134   int area_xsize = gi->drawing.area_xsize;
8135   int area_ysize = gi->drawing.area_ysize;
8136   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8137   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8138   int x_left  = gi->x - xoffset_left;
8139   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8140   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8141   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8142   int y_side  = gi->y + (gi->height - font_height) / 2;
8143   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8144   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8145
8146   if (drawingarea_info[id].text_left)
8147     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8148
8149   if (drawingarea_info[id].text_right)
8150     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8151
8152   if (drawingarea_info[id].text_above)
8153     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8154
8155   if (drawingarea_info[id].text_below)
8156     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8157
8158   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8159   {
8160     DrawElementBorder(gi->x, gi->y,
8161                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8162                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8163
8164     DrawDrawingArea(id);
8165   }
8166
8167   MapGadget(gi);
8168 }
8169
8170 static void MapTextInputGadget(int id)
8171 {
8172   int font_nr = FONT_TEXT_1;
8173   int font_height = getFontHeight(font_nr);
8174   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8175   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8176   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8177   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8178
8179   if (textinput_info[id].text_above)
8180     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8181
8182   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8183
8184   MapGadget(gi);
8185 }
8186
8187 static void MapTextAreaGadget(int id)
8188 {
8189   int font_nr = FONT_TEXT_1;
8190   int font_height = getFontHeight(font_nr);
8191   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8192   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8193   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8194   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8195   char *text_above = textarea_info[id].text_above;
8196
8197   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8198     text_above = textarea_info[id].text_above_cropped;
8199
8200   if (text_above)
8201     DrawTextS(x_above, y_above, font_nr, text_above);
8202
8203   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8204
8205   MapGadget(gi);
8206 }
8207
8208 static void MapSelectboxGadget(int id)
8209 {
8210   int font_nr = FONT_TEXT_1;
8211   int font_height = getFontHeight(font_nr);
8212   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8213   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8214   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8215   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8216   int yoffset = (gi->height - font_height) / 2;
8217   int x_left = gi->x - xoffset_left;
8218   int x_right = gi->x + gi->width + xoffset_right;
8219   int y_above = gi->y - yoffset_above;
8220   int x = gi->x;
8221   int y = gi->y + yoffset;
8222
8223   if (selectbox_info[id].text_above)
8224     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8225
8226   if (selectbox_info[id].text_left)
8227     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8228
8229   if (selectbox_info[id].text_right)
8230     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8231
8232   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8233
8234   MapGadget(gi);
8235 }
8236
8237 static void MapTextbuttonGadget(int id)
8238 {
8239   int font_nr = FONT_TEXT_1;
8240   int font_height = getFontHeight(font_nr);
8241   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8242   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8243   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8244   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8245   int yoffset = (gi->height - font_height) / 2;
8246   int x_left = gi->x - xoffset_left;
8247   int x_right = gi->x + gi->width + xoffset_right;
8248   int y_above = gi->y - yoffset_above;
8249   int x = gi->x;
8250   int y = gi->y + yoffset;
8251
8252   // only show button to delete change pages when more than minimum pages
8253   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8254       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8255     return;
8256
8257   if (textbutton_info[id].text_above)
8258     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8259
8260   if (textbutton_info[id].text_left)
8261     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8262
8263   if (textbutton_info[id].text_right)
8264     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8265
8266   MapGadget(gi);
8267 }
8268
8269 static void MapGraphicbuttonGadget(int id)
8270 {
8271   int font_nr = FONT_TEXT_1;
8272   int font_height = getFontHeight(font_nr);
8273   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8274   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8275   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8276   int yoffset = (gi->height - font_height) / 2;
8277   int x_left = gi->x - xoffset_left;
8278   int x_right = gi->x + gi->width + xoffset_right;
8279   int y = gi->y + yoffset;
8280
8281   if (graphicbutton_info[id].text_left)
8282     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8283
8284   if (graphicbutton_info[id].text_right)
8285     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8286
8287   MapGadget(gi);
8288 }
8289
8290 static void MapRadiobuttonGadget(int id)
8291 {
8292   int font_nr = FONT_TEXT_1;
8293   int font_height = getFontHeight(font_nr);
8294   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
8295   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8296   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8297   int yoffset = (gi->height - font_height) / 2;
8298   int x_left = gi->x - xoffset_left;
8299   int x_right = gi->x + gi->width + xoffset_right;
8300   int y = gi->y + yoffset;
8301   boolean checked =
8302     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
8303
8304   if (radiobutton_info[id].text_left)
8305     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
8306
8307   if (radiobutton_info[id].text_right)
8308     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
8309
8310   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
8311
8312   MapGadget(gi);
8313 }
8314
8315 static void MapCheckbuttonGadget(int id)
8316 {
8317   int font_nr = FONT_TEXT_1;
8318   int font_height = getFontHeight(font_nr);
8319   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
8320   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8321   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8322   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8323   int yoffset = (gi->height - font_height) / 2;
8324   int y_above = gi->y - yoffset_above;
8325   int x = gi->x;
8326   int x_left, x_right, y;       // set after gadget position was modified
8327
8328   // set position for gadgets with dynamically determined position
8329   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
8330     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
8331   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
8332
8333   x_left = gi->x - xoffset_left;
8334   x_right = gi->x + gi->width + xoffset_right;
8335   y = gi->y + yoffset;
8336
8337   if (checkbutton_info[id].text_above)
8338     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
8339
8340   if (checkbutton_info[id].text_left)
8341     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
8342
8343   if (checkbutton_info[id].text_right)
8344     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
8345
8346   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
8347
8348   MapGadget(gi);
8349 }
8350
8351 static void MapMainDrawingArea(void)
8352 {
8353   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
8354   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
8355   int i;
8356
8357   if (suppressBorderElement())
8358   {
8359     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
8360     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
8361   }
8362
8363   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
8364   {
8365     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
8366           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
8367          no_horizontal_scrollbar) ||
8368         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
8369           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
8370          no_vertical_scrollbar))
8371       continue;
8372
8373     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
8374   }
8375
8376   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
8377   {
8378     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
8379         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
8380       continue;
8381
8382     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
8383   }
8384
8385   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
8386 }
8387
8388 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
8389 {
8390   int i;
8391
8392   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8393   {
8394     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
8395         i == GADGET_ID_CUSTOM_COPY_TO ||
8396         i == GADGET_ID_CUSTOM_EXCHANGE ||
8397         i == GADGET_ID_CUSTOM_COPY ||
8398         i == GADGET_ID_CUSTOM_PASTE)
8399     {
8400       if (map)
8401         MapGadget(level_editor_gadget[i]);
8402       else
8403         UnmapGadget(level_editor_gadget[i]);
8404     }
8405   }
8406 }
8407
8408 static void MapLevelEditorToolboxCustomGadgets(void)
8409 {
8410   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
8411 }
8412
8413 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
8414 {
8415   if (IS_CUSTOM_ELEMENT(properties_element) ||
8416       IS_GROUP_ELEMENT(properties_element) ||
8417       IS_EMPTY_ELEMENT(properties_element))
8418     MapLevelEditorToolboxCustomGadgets();
8419 }
8420
8421 static void UnmapLevelEditorToolboxCustomGadgets(void)
8422 {
8423   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
8424 }
8425
8426 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
8427 {
8428   int i;
8429
8430   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
8431   {
8432     if (i != GADGET_ID_SINGLE_ITEMS &&
8433         i != GADGET_ID_PICK_ELEMENT)
8434     {
8435       struct GadgetInfo *gi = level_editor_gadget[i];
8436
8437       if (map)
8438       {
8439         MapGadget(gi);
8440       }
8441       else
8442       {
8443         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
8444         struct GraphicInfo *gd = &graphic_info[graphic];
8445
8446         UnmapGadget(gi);
8447
8448         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
8449                    gi->width, gi->height, gi->x, gi->y);
8450
8451         redraw_mask |= REDRAW_DOOR_3;
8452       }
8453     }
8454   }
8455 }
8456
8457 static void MapLevelEditorToolboxDrawingGadgets(void)
8458 {
8459   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
8460 }
8461
8462 static void UnmapLevelEditorToolboxDrawingGadgets(void)
8463 {
8464   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
8465 }
8466
8467 static void UnmapDrawingArea(int id)
8468 {
8469   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
8470 }
8471
8472 static void UnmapLevelEditorFieldGadgets(void)
8473 {
8474   int i;
8475
8476   for (i = 0; i < num_editor_gadgets; i++)
8477     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
8478                           level_editor_gadget[i]->y))
8479       UnmapGadget(level_editor_gadget[i]);
8480 }
8481
8482 void UnmapLevelEditorGadgets(void)
8483 {
8484   int i;
8485
8486   for (i = 0; i < num_editor_gadgets; i++)
8487     UnmapGadget(level_editor_gadget[i]);
8488 }
8489
8490 static void ResetUndoBuffer(void)
8491 {
8492   undo_buffer_position = -1;
8493   undo_buffer_steps = -1;
8494   redo_buffer_steps = 0;
8495
8496   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8497
8498   level.changed = FALSE;
8499 }
8500
8501 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
8502 {
8503   if (remap_toolbox_gadgets)
8504   {
8505     ModifyEditorElementList();
8506     RedrawDrawingElements();
8507   }
8508
8509   if (edit_mode == ED_MODE_LEVELCONFIG)
8510     DrawLevelConfigWindow();
8511   else if (edit_mode == ED_MODE_PROPERTIES)
8512     DrawPropertiesWindow();
8513   else if (edit_mode == ED_MODE_PALETTE)
8514     DrawPaletteWindow();
8515   else  // edit_mode == ED_MODE_DRAWING
8516     DrawDrawingWindowExt(remap_toolbox_gadgets);
8517 }
8518
8519 static void DrawEditModeWindow(void)
8520 {
8521   DrawEditModeWindowExt(TRUE);
8522 }
8523
8524 static void DrawEditModeWindow_PlayfieldOnly(void)
8525 {
8526   DrawEditModeWindowExt(FALSE);
8527 }
8528
8529 static void ChangeEditModeWindow(int new_edit_mode)
8530 {
8531   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
8532
8533   DrawEditModeWindow();
8534 }
8535
8536 static boolean LevelChanged(void)
8537 {
8538   boolean field_changed = FALSE;
8539   int x, y;
8540
8541   for (y = 0; y < lev_fieldy; y++)
8542     for (x = 0; x < lev_fieldx; x++)
8543       if (Tile[x][y] != level.field[x][y])
8544         field_changed = TRUE;
8545
8546   return (level.changed || field_changed);
8547 }
8548
8549 static boolean PrepareSavingIntoPersonalLevelSet(void)
8550 {
8551   static LevelDirTree *last_copied_leveldir = NULL;
8552   static LevelDirTree *last_written_leveldir = NULL;
8553   static int last_copied_level_nr = -1;
8554   static int last_written_level_nr = -1;
8555   LevelDirTree *leveldir_former = leveldir_current;
8556   int level_nr_former = level_nr;
8557   int new_level_nr;
8558
8559   // remember last mod/save so that for current session, we write
8560   // back to the same personal copy, asking only about overwrite.
8561   if (leveldir_current == last_copied_leveldir &&
8562       level_nr == last_copied_level_nr)
8563   {
8564     // "cd" to personal level set dir (as used when writing last copy)
8565     leveldir_current = last_written_leveldir;
8566     level_nr = last_written_level_nr;
8567
8568     return TRUE;
8569   }
8570
8571   if (!Request("This level is read-only! "
8572                "Save into personal level set?", REQ_ASK))
8573     return FALSE;
8574
8575   // "cd" to personal level set dir (for writing copy the first time)
8576   leveldir_current =
8577     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
8578
8579   // this may happen if "setup.internal.create_user_levelset" is FALSE
8580   // or if file "levelinfo.conf" is missing in personal user level set
8581   if (leveldir_current == NULL)
8582   {
8583     Request("Cannot find personal level set?!", REQ_CONFIRM);
8584
8585     leveldir_current = leveldir_former;
8586
8587     return FALSE;
8588   }
8589
8590   // find unused level number
8591   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
8592   {
8593     static char *level_filename = NULL;
8594
8595     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
8596
8597     if (!fileExists(level_filename))
8598       break;
8599   }
8600
8601   last_copied_leveldir = leveldir_former;
8602   last_copied_level_nr = level_nr_former;
8603
8604   last_written_leveldir = leveldir_current;
8605   last_written_level_nr = level_nr = new_level_nr;
8606
8607   return TRUE;
8608 }
8609
8610 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
8611 {
8612   static char *filename_levelinfo = NULL, *mod_name = NULL;
8613   FILE *file;
8614
8615   // annotate this copy-and-mod in personal levelinfo.conf
8616   setString(&filename_levelinfo,
8617             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
8618
8619   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
8620   {
8621     fprintf(file, "\n");
8622     fprintf(file, "# level %d was modified from:\n", level_nr);
8623     fprintf(file, "# - previous level set name:    %s\n",
8624             former_name);
8625     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
8626             level.file_info.nr, level.name);
8627     fprintf(file, "# - previous author:            %s\n",
8628             level.author);
8629     fprintf(file, "# - previous save date:         ");
8630
8631     if (level.creation_date.src == DATE_SRC_LEVELFILE)
8632     {
8633       fprintf(file, "%04d-%02d-%02d\n",
8634               level.creation_date.year,
8635               level.creation_date.month,
8636               level.creation_date.day);
8637     }
8638     else
8639     {
8640       fprintf(file, "not recorded\n");
8641     }
8642
8643     fclose(file);
8644   }
8645
8646   if (level_nr > leveldir_current->last_level)
8647     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
8648
8649   // else: allow the save even if annotation failed
8650
8651   // now... spray graffiti on the old level vital statistics
8652   // user can change these; just trying to set a good baseline
8653
8654   // don't truncate names for fear of making offensive or silly:
8655   // long-named original author only recorded in levelinfo.conf.
8656   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
8657   if (!strEqual(level.author, leveldir_current->author))
8658   {
8659     setString(&mod_name, getStringCat3(leveldir_current->author,
8660                                        " after ", level.author));
8661
8662     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8663       setString(&mod_name,
8664                 getStringCat2(leveldir_current->author, " (ed.)"));
8665
8666     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8667       setString(&mod_name, leveldir_current->author);
8668
8669     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
8670
8671     // less worried about truncation here
8672     setString(&mod_name, getStringCat2("Mod: ", level.name));
8673     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
8674   }
8675 }
8676
8677 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
8678                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
8679 {
8680   int x, y;
8681
8682   for (x = 0; x < lev_fieldx; x++)
8683     for (y = 0; y < lev_fieldy; y++)
8684       dst[x][y] = src[x][y];
8685 }
8686
8687 static int setSelectboxValue(int selectbox_id, int new_value)
8688 {
8689   int new_index_value = 0;
8690   int i;
8691
8692   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
8693     if (selectbox_info[selectbox_id].options[i].value == new_value)
8694       new_index_value = i;
8695
8696   *selectbox_info[selectbox_id].value =
8697     selectbox_info[selectbox_id].options[new_index_value].value;
8698
8699   return new_index_value;
8700 }
8701
8702 static void setSelectboxSpecialActionVariablesIfNeeded(void)
8703 {
8704   int i;
8705
8706   // change action mode and arg variables according to action type variable
8707   for (i = 0; action_arg_options[i].value != -1; i++)
8708   {
8709     if (action_arg_options[i].value == custom_element_change.action_type)
8710     {
8711       int mode = action_arg_options[i].mode;
8712
8713       // only change if corresponding selectbox has changed
8714       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
8715           action_arg_modes[mode])
8716         custom_element_change.action_mode = -1;
8717
8718       // only change if corresponding selectbox has changed
8719       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
8720           action_arg_options[i].options)
8721         custom_element_change.action_arg = -1;
8722
8723       break;
8724     }
8725   }
8726 }
8727
8728 static void setSelectboxSpecialActionOptions(void)
8729 {
8730   int i;
8731
8732   // change action mode and arg selectbox according to action type selectbox
8733   for (i = 0; action_arg_options[i].value != -1; i++)
8734   {
8735     if (action_arg_options[i].value == custom_element_change.action_type)
8736     {
8737       int mode = action_arg_options[i].mode;
8738
8739       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
8740                                    action_arg_modes[mode]);
8741       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
8742                                  custom_element_change.action_mode);
8743
8744       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
8745                                    action_arg_options[i].options);
8746       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
8747                                  custom_element_change.action_arg);
8748       break;
8749     }
8750   }
8751 }
8752
8753 static void copy_custom_element_settings(int element_from, int element_to)
8754 {
8755   struct ElementInfo *ei_from = &element_info[element_from];
8756   struct ElementInfo *ei_to = &element_info[element_to];
8757
8758   copyElementInfo(ei_from, ei_to);
8759 }
8760
8761 static void replace_custom_element_in_settings(int element_from,
8762                                                int element_to)
8763 {
8764   int i, j, x, y;
8765
8766   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8767   {
8768     struct ElementInfo *ei = &element_info[i];
8769
8770     for (y = 0; y < 3; y++)
8771       for (x = 0; x < 3; x++)
8772         if (ei->content.e[x][y] == element_from)
8773           ei->content.e[x][y] = element_to;
8774
8775     for (j = 0; j < ei->num_change_pages; j++)
8776     {
8777       struct ElementChangeInfo *change = &ei->change_page[j];
8778
8779       if (change->target_element == element_from)
8780         change->target_element = element_to;
8781
8782       if (change->initial_trigger_element == element_from)
8783         change->initial_trigger_element = element_to;
8784
8785       if (change->action_element == element_from)
8786         change->action_element = element_to;
8787
8788       for (y = 0; y < 3; y++)
8789         for (x = 0; x < 3; x++)
8790           if (change->target_content.e[x][y] == element_from)
8791             change->target_content.e[x][y] = element_to;
8792     }
8793
8794     if (ei->group != NULL)                              // group or internal
8795       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
8796         if (ei->group->element[j] == element_from)
8797           ei->group->element[j] = element_to;
8798   }
8799 }
8800
8801 static void replace_custom_element_in_playfield(int element_from,
8802                                                 int element_to)
8803 {
8804   int x, y;
8805
8806   for (x = 0; x < lev_fieldx; x++)
8807     for (y = 0; y < lev_fieldy; y++)
8808       if (Tile[x][y] == element_from)
8809         Tile[x][y] = element_to;
8810 }
8811
8812 static boolean CopyCustomElement(int element_old, int element_new,
8813                                  int copy_mode)
8814 {
8815   int copy_mode_orig = copy_mode;
8816
8817   if (copy_mode == GADGET_ID_CUSTOM_COPY)
8818   {
8819     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
8820                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8821     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8822   }
8823   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
8824   {
8825     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
8826                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8827     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8828
8829     level.changed = TRUE;
8830   }
8831   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
8832   {
8833     Request("Please choose custom element!", REQ_CONFIRM);
8834
8835     return FALSE;
8836   }
8837   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
8838   {
8839     Request("Please choose group element!", REQ_CONFIRM);
8840
8841     return FALSE;
8842   }
8843   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
8844   {
8845     Request("Please choose empty element!", REQ_CONFIRM);
8846
8847     return FALSE;
8848   }
8849   else
8850   {
8851     level.changed = TRUE;
8852   }
8853
8854   // when modifying custom/group element, ask for copying level template
8855   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
8856   {
8857     if (!AskToCopyAndModifyLevelTemplate())
8858       return FALSE;
8859   }
8860
8861   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8862   {
8863     copy_custom_element_settings(element_new, element_old);
8864   }
8865   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8866   {
8867     copy_custom_element_settings(element_old, element_new);
8868   }
8869   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8870   {
8871     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8872     copy_custom_element_settings(element_new, element_old);
8873     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8874
8875     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8876     replace_custom_element_in_settings(element_new, element_old);
8877     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8878
8879     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8880     replace_custom_element_in_playfield(element_new, element_old);
8881     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8882   }
8883
8884   UpdateCustomElementGraphicGadgets();
8885   DrawPropertiesWindow();
8886
8887   return TRUE;
8888 }
8889
8890 static void CopyCustomElementPropertiesToEditor(int element)
8891 {
8892   int i;
8893   int current_change_page = element_info[element].current_change_page;
8894
8895   // dynamically (re)build selectbox for selecting change page
8896   for (i = 0; i < element_info[element].num_change_pages; i++)
8897   {
8898     sprintf(options_change_page_strings[i], "%d", i + 1);
8899
8900     options_change_page[i].value = i;
8901     options_change_page[i].text = options_change_page_strings[i];
8902   }
8903
8904   options_change_page[i].value = -1;
8905   options_change_page[i].text = NULL;
8906
8907   // needed here to initialize combined element properties
8908   InitElementPropertiesEngine(level.game_version);
8909
8910   element_info[element].change =
8911     &element_info[element].change_page[current_change_page];
8912
8913   custom_element = element_info[element];
8914   custom_element_change = *element_info[element].change;
8915
8916   // needed to initially set selectbox options for special action options
8917   setSelectboxSpecialActionOptions();
8918
8919   // needed to initially set selectbox value variables to reliable defaults
8920   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8921     setSelectboxValue(i, *selectbox_info[i].value);
8922
8923   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8924     custom_element_properties[i] = HAS_PROPERTY(element, i);
8925
8926   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8927     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8928
8929   // ---------- element settings: configure (custom elements) -----------------
8930
8931   // set accessible layer selectbox help value
8932   custom_element.access_type =
8933     (IS_WALKABLE(element) ? EP_WALKABLE :
8934      IS_PASSABLE(element) ? EP_PASSABLE :
8935      custom_element.access_type);
8936   custom_element.access_layer =
8937     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8938      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8939      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8940      custom_element.access_layer);
8941   custom_element.access_protected =
8942     (IS_PROTECTED(element) ? 1 : 0);
8943   custom_element_properties[EP_ACCESSIBLE] =
8944     (IS_ACCESSIBLE_OVER(element) ||
8945      IS_ACCESSIBLE_INSIDE(element) ||
8946      IS_ACCESSIBLE_UNDER(element));
8947
8948   // set walk-to-object action selectbox help value
8949   custom_element.walk_to_action =
8950     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8951      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8952      IS_DROPPABLE(element) ? EP_DROPPABLE :
8953      IS_THROWABLE(element) ? EP_THROWABLE :
8954      IS_PUSHABLE(element) ? EP_PUSHABLE :
8955      custom_element.walk_to_action);
8956   custom_element_properties[EP_WALK_TO_OBJECT] =
8957     (IS_DIGGABLE(element) ||
8958      IS_COLLECTIBLE_ONLY(element) ||
8959      IS_DROPPABLE(element) ||
8960      IS_THROWABLE(element) ||
8961      IS_PUSHABLE(element));
8962
8963   // set smash targets selectbox help value
8964   custom_element.smash_targets =
8965     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8966      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8967      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8968      custom_element.smash_targets);
8969   custom_element_properties[EP_CAN_SMASH] =
8970     (CAN_SMASH_EVERYTHING(element) ||
8971      CAN_SMASH_ENEMIES(element) ||
8972      CAN_SMASH_PLAYER(element));
8973
8974   // set deadliness selectbox help value
8975   custom_element.deadliness =
8976     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8977      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8978      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8979      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8980      custom_element.deadliness);
8981   custom_element_properties[EP_DEADLY] =
8982     (DONT_TOUCH(element) ||
8983      DONT_GET_HIT_BY(element) ||
8984      DONT_COLLIDE_WITH(element) ||
8985      DONT_RUN_INTO(element));
8986
8987   // ---------- element settings: advanced (custom elements) ------------------
8988
8989   // set "change by direct action" selectbox help value
8990   custom_element_change.direct_action =
8991     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
8992      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8993      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8994      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8995      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8996      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8997      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8998      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8999      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9000      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9001      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9002      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9003      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9004      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9005      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9006      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9007      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9008      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9009      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9010      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9011      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9012      custom_element_change.direct_action);
9013
9014   // set "change by other element action" selectbox help value
9015   custom_element_change.other_action =
9016     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9017      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9018      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9019      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9020      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9021      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9022      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9023      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9024      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9025      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9026      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9027      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9028      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9029      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9030      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9031      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9032      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9033      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9034      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9035      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9036      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9037      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9038      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9039      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9040      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9041      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9042      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9043      custom_element_change.other_action);
9044 }
9045
9046 static void CopyGroupElementPropertiesToEditor(int element)
9047 {
9048   group_element_info = *element_info[element].group;
9049   custom_element = element_info[element];       // needed for description
9050 }
9051
9052 static void CopyEmptyElementPropertiesToEditor(int element)
9053 {
9054   custom_element = element_info[element];
9055 }
9056
9057 static void CopyClassicElementPropertiesToEditor(int element)
9058 {
9059   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9060     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9061       getMoveIntoAcidProperty(&level, element);
9062
9063   if (MAYBE_DONT_COLLIDE_WITH(element))
9064     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9065       getDontCollideWithProperty(&level, element);
9066 }
9067
9068 static void CopyElementPropertiesToEditor(int element)
9069 {
9070   if (IS_CUSTOM_ELEMENT(element))
9071     CopyCustomElementPropertiesToEditor(element);
9072   else if (IS_GROUP_ELEMENT(element))
9073     CopyGroupElementPropertiesToEditor(element);
9074   else if (IS_EMPTY_ELEMENT(element))
9075     CopyEmptyElementPropertiesToEditor(element);
9076   else
9077     CopyClassicElementPropertiesToEditor(element);
9078 }
9079
9080 static boolean AskToCopyAndModifyLevelTemplate(void)
9081 {
9082   if (Request("Copy and modify settings from level template?", REQ_ASK))
9083   {
9084     level.use_custom_template = FALSE;
9085
9086     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9087                  GDI_CHECKED, FALSE, GDI_END);
9088     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9089                  GDI_CHECKED, FALSE, GDI_END);
9090
9091     return TRUE;
9092   }
9093   else
9094   {
9095     LoadLevelTemplate(-1);      // this resets all element modifications ...
9096
9097     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9098
9099     return FALSE;
9100   }
9101 }
9102
9103 static void CopyCustomElementPropertiesToGame(int element)
9104 {
9105   int i;
9106   int access_type_and_layer;
9107
9108   // mark that this custom element has been modified
9109   custom_element.modified_settings = TRUE;
9110   level.changed = TRUE;
9111
9112   if (level.use_custom_template)
9113     AskToCopyAndModifyLevelTemplate();
9114
9115   element_info[element] = custom_element;
9116   *element_info[element].change = custom_element_change;
9117
9118   // ---------- element settings: configure (custom elements) -----------------
9119
9120   // set accessible property from checkbox and selectbox
9121   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9122   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9123   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9124   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9125   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9126   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9127   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9128                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9129                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9130   custom_element_properties[access_type_and_layer] =
9131     custom_element_properties[EP_ACCESSIBLE];
9132   custom_element_properties[EP_PROTECTED] =
9133     (custom_element.access_protected != 0 &&
9134      custom_element_properties[EP_ACCESSIBLE]);
9135
9136   // set walk-to-object property from checkbox and selectbox
9137   custom_element_properties[EP_DIGGABLE] = FALSE;
9138   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9139   custom_element_properties[EP_DROPPABLE] = FALSE;
9140   custom_element_properties[EP_THROWABLE] = FALSE;
9141   custom_element_properties[EP_PUSHABLE] = FALSE;
9142   custom_element_properties[custom_element.walk_to_action] =
9143     custom_element_properties[EP_WALK_TO_OBJECT];
9144
9145   // set smash property from checkbox and selectbox
9146   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9147   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9148   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9149   custom_element_properties[custom_element.smash_targets] =
9150     custom_element_properties[EP_CAN_SMASH];
9151
9152   // set deadliness property from checkbox and selectbox
9153   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9154   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9155   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9156   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9157   custom_element_properties[custom_element.deadliness] =
9158     custom_element_properties[EP_DEADLY];
9159
9160   // ---------- element settings: advanced (custom elements) ------------------
9161
9162   // set player change event from checkbox and selectbox
9163   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9164   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9165   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9166   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9167   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9168   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9169   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9170   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9171   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9172   custom_element_change_events[CE_SWITCHED] = FALSE;
9173   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9174   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9175   custom_element_change_events[CE_BLOCKED] = FALSE;
9176   custom_element_change_events[CE_IMPACT] = FALSE;
9177   custom_element_change_events[CE_SMASHED] = FALSE;
9178   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9179   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9180   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9181   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9182   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9183   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9184   custom_element_change_events[custom_element_change.direct_action] =
9185     custom_element_change_events[CE_BY_DIRECT_ACTION];
9186
9187   // set other element action change event from checkbox and selectbox
9188   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9189   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9190   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9191   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9192   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9193   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9194   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9195   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9196   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9197   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9198   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9199   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9200   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9201   custom_element_change_events[CE_HITTING_X] = FALSE;
9202   custom_element_change_events[CE_DIGGING_X] = FALSE;
9203   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9204   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9205   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9206   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9207   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9208   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9209   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9210   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9211   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9212   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9213   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9214   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9215   custom_element_change_events[custom_element_change.other_action] =
9216     custom_element_change_events[CE_BY_OTHER_ACTION];
9217
9218   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9219     SET_PROPERTY(element, i, custom_element_properties[i]);
9220
9221   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9222     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9223
9224   // copy change events also to special level editor variable
9225   custom_element = element_info[element];
9226   custom_element_change = *element_info[element].change;
9227
9228   // needed here to restore runtime value "element_info[element].gfx_element"
9229   InitElementPropertiesGfxElement();
9230 }
9231
9232 static void CopyGroupElementPropertiesToGame(int element)
9233 {
9234   // mark that this group element has been modified
9235   custom_element.modified_settings = TRUE;
9236   level.changed = TRUE;
9237
9238   if (level.use_custom_template)
9239     AskToCopyAndModifyLevelTemplate();
9240
9241   element_info[element] = custom_element;
9242   *element_info[element].group = group_element_info;
9243
9244   // needed here to restore runtime value "element_info[element].gfx_element"
9245   InitElementPropertiesGfxElement();
9246 }
9247
9248 static void CopyEmptyElementPropertiesToGame(int element)
9249 {
9250   // mark that this empty element has been modified
9251   custom_element.modified_settings = TRUE;
9252   level.changed = TRUE;
9253
9254   if (level.use_custom_template)
9255     AskToCopyAndModifyLevelTemplate();
9256
9257   element_info[element] = custom_element;
9258
9259   // needed here to restore runtime value "element_info[element].gfx_element"
9260   InitElementPropertiesGfxElement();
9261 }
9262
9263 static void CopyClassicElementPropertiesToGame(int element)
9264 {
9265   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9266     setMoveIntoAcidProperty(&level, element,
9267                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9268
9269   if (MAYBE_DONT_COLLIDE_WITH(element))
9270     setDontCollideWithProperty(&level, element,
9271                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9272 }
9273
9274 static void CopyElementPropertiesToGame(int element)
9275 {
9276   if (IS_CUSTOM_ELEMENT(element))
9277     CopyCustomElementPropertiesToGame(element);
9278   else if (IS_GROUP_ELEMENT(element))
9279     CopyGroupElementPropertiesToGame(element);
9280   else if (IS_EMPTY_ELEMENT(element))
9281     CopyEmptyElementPropertiesToGame(element);
9282   else
9283     CopyClassicElementPropertiesToGame(element);
9284 }
9285
9286 #if DEBUG
9287 static void CheckElementDescriptions(void)
9288 {
9289   int i;
9290
9291   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9292     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
9293       Warn("no element description file for element '%s'", EL_NAME(i));
9294 }
9295 #endif
9296
9297 static int getMaxEdFieldX(boolean has_scrollbar)
9298 {
9299   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
9300   int sxsize = SXSIZE - scrollbar_width;
9301   int max_ed_fieldx = sxsize / ed_tilesize;
9302
9303   return max_ed_fieldx;
9304 }
9305
9306 static int getMaxEdFieldY(boolean has_scrollbar)
9307 {
9308   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
9309                          INFOTEXT_YSIZE_FULL : 0);
9310   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
9311   int sysize = SYSIZE - scrollbar_height - infotext_height;
9312   int max_ed_fieldy = sysize / ed_tilesize;
9313
9314   return max_ed_fieldy;
9315 }
9316
9317 static void InitZoomLevelSettings(int zoom_tilesize)
9318 {
9319   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
9320
9321   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
9322   {
9323     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
9324     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
9325
9326     // make sure that tile size is always a power of 2
9327     ed_tilesize = (1 << log_2(ed_tilesize));
9328
9329     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9330     {
9331       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
9332       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
9333     }
9334   }
9335
9336   last_game_engine_type = level.game_engine_type;
9337
9338   // limit zoom tilesize by upper and lower bound
9339   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
9340
9341   // store zoom tilesize in auto setup file only if it was manually changed
9342   if (zoom_tilesize != -1)
9343     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
9344
9345   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
9346   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
9347 }
9348
9349 static void InitDrawingElements(void)
9350 {
9351   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
9352
9353   if (level.game_engine_type == game_engine_type_last)
9354     return;
9355
9356   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9357   {
9358     new_element1 = EL_BD_WALL;
9359     new_element2 = EL_EMPTY;
9360     new_element3 = EL_BD_SAND;
9361   }
9362   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
9363   {
9364     new_element1 = EL_SP_CHIP_SINGLE;
9365     new_element2 = EL_EMPTY;
9366     new_element3 = EL_SP_BASE;
9367   }
9368   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9369   {
9370     new_element1 = EL_MM_MIRROR_START;
9371     new_element2 = EL_EMPTY;
9372     new_element3 = EL_MM_WOODEN_WALL;
9373   }
9374   else
9375   {
9376     new_element1 = EL_WALL;
9377     new_element2 = EL_EMPTY;
9378     new_element3 = EL_SAND;
9379   }
9380
9381   game_engine_type_last = level.game_engine_type;
9382 }
9383
9384 static void InitLevelSetInfo(void)
9385 {
9386   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
9387            "%s", leveldir_current->name);
9388   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
9389            "%s", leveldir_current->author);
9390
9391   levelset_num_levels = leveldir_current->levels;
9392
9393   levelset_use_levelset_artwork = FALSE;
9394   levelset_copy_level_template = FALSE;
9395
9396   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
9397 }
9398
9399 static void ChangeEditorToLevelSet(char *levelset_subdir)
9400 {
9401   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
9402
9403   // the previous level set might have used custom artwork
9404   ReloadCustomArtwork(0);
9405
9406   LoadLevelSetup_SeriesInfo();
9407
9408   SaveLevelSetup_LastSeries();
9409   SaveLevelSetup_SeriesInfo();
9410
9411   TapeErase();
9412
9413   LoadLevel(level_nr);
9414   LoadScore(level_nr);
9415
9416   DrawLevelEd();
9417 }
9418
9419 static boolean useEditorDoorAnimation(void)
9420 {
9421   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
9422   boolean door_1_viewport_unchanged =
9423     (vp_door_1->x      == DX     &&
9424      vp_door_1->y      == DY     &&
9425      vp_door_1->width  == DXSIZE &&
9426      vp_door_1->height == DYSIZE);
9427   boolean door_1_contains_toolbox =
9428     (EX >= DX &&
9429      EY >= DY &&
9430      EX + EXSIZE <= DX + DXSIZE &&
9431      EY + EYSIZE <= DY + DYSIZE);
9432
9433   return (door_1_viewport_unchanged && door_1_contains_toolbox);
9434 }
9435
9436 static void DrawEditorDoorBackground(int graphic, int x, int y,
9437                                      int width, int height)
9438 {
9439   struct GraphicInfo *g = &graphic_info[graphic];
9440
9441   if (g->bitmap != NULL)
9442     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
9443                MIN(width, g->width), MIN(height, g->height), x, y);
9444   else
9445     ClearRectangle(drawto, x, y, width, height);
9446 }
9447
9448 static void DrawEditorDoorContent(void)
9449 {
9450   // needed for gadgets drawn on background (like palette scrollbar)
9451   SetDoorBackgroundImage(IMG_UNDEFINED);
9452
9453   // copy default editor door content to main double buffer
9454   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
9455
9456   // draw bigger door
9457   DrawSpecialEditorDoor();
9458
9459   // draw new control window
9460   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
9461
9462   // draw all toolbox gadgets to editor doors
9463   MapControlButtons();
9464
9465   // when returning from test game to properties page, redraw toolbox gadgets
9466   if (edit_mode == ED_MODE_PROPERTIES)
9467   {
9468     UnmapLevelEditorToolboxDrawingGadgets();
9469     UnmapLevelEditorToolboxCustomGadgets();
9470
9471     MapLevelEditorToolboxCustomGadgetsIfNeeded();
9472   }
9473
9474   // draw all palette gadgets to editor doors
9475   ModifyEditorElementList();
9476   RedrawDrawingElements();
9477
9478   // copy actual editor door content to door double buffer for OpenDoor()
9479   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
9480 }
9481
9482 void DrawLevelEd(void)
9483 {
9484   int fade_mask = REDRAW_FIELD;
9485
9486   FadeSoundsAndMusic();
9487
9488   if (CheckFadeAll())
9489     fade_mask = REDRAW_ALL;
9490
9491   FadeOut(fade_mask);
9492
9493   // needed if different viewport properties defined for editor
9494   ChangeViewportPropertiesIfNeeded();
9495
9496   ClearField();
9497
9498   InitZoomLevelSettings(-1);
9499   InitDrawingElements();
9500   InitLevelSetInfo();
9501
9502 #if DEBUG
9503   CheckElementDescriptions();
9504 #endif
9505
9506   if (level_editor_test_game)
9507   {
9508     CopyPlayfield(level.field, Tile);
9509     CopyPlayfield(TileBackup, level.field);
9510
9511     level_editor_test_game = FALSE;
9512   }
9513   else
9514   {
9515     edit_mode = ED_MODE_DRAWING;
9516     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
9517     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
9518
9519     ResetUndoBuffer();
9520
9521     level_xpos = -1;
9522     level_ypos = -1;
9523   }
9524
9525   // redraw_mask |= REDRAW_ALL;
9526
9527   FreeLevelEditorGadgets();
9528   CreateLevelEditorGadgets();
9529
9530   ReinitializeElementList();            // update dynamic level element list
9531   ReinitializeElementListButtons();     // custom element may look different
9532
9533   InitElementPropertiesGfxElement();
9534
9535   UnmapAllGadgets();
9536
9537   DrawEditModeWindow_PlayfieldOnly();
9538
9539   DrawMaskedBorder(fade_mask);
9540
9541   // use door animation if door 1 viewport is unchanged and contains toolbox
9542   if (useEditorDoorAnimation())
9543   {
9544     FadeIn(fade_mask);
9545
9546     DrawEditorDoorContent();
9547
9548     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
9549   }
9550   else
9551   {
9552     DrawEditorDoorContent();
9553
9554     FadeIn(fade_mask);
9555   }
9556
9557   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
9558 }
9559
9560 static void AdjustDrawingAreaGadgets(void)
9561 {
9562   int ed_xsize = lev_fieldx + 2;
9563   int ed_ysize = lev_fieldy + 2;
9564   int max_ed_fieldx = MAX_ED_FIELDX;
9565   int max_ed_fieldy = MAX_ED_FIELDY;
9566   boolean horizontal_scrollbar_needed;
9567   boolean vertical_scrollbar_needed;
9568   int x, y, width, height;
9569
9570   if (suppressBorderElement())
9571   {
9572     ed_xsize = lev_fieldx;
9573     ed_ysize = lev_fieldy;
9574   }
9575
9576   // check if we need any scrollbars
9577   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9578   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9579
9580   // check if we have a smaller editor field because of scrollbars
9581   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9582   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9583
9584   // check again if we now need more scrollbars because of less space
9585   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9586   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9587
9588   // check if editor field gets even smaller after adding new scrollbars
9589   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9590   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9591
9592   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
9593   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
9594
9595   x = SX + ed_fieldx * ed_tilesize;
9596   y = SY + ed_fieldy * ed_tilesize;
9597
9598   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
9599   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
9600
9601   // adjust drawing area gadget
9602   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
9603                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
9604                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
9605                GDI_END);
9606
9607   // adjust horizontal scrollbar gadgets
9608   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
9609                GDI_Y, y,
9610                GDI_END);
9611   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
9612                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
9613                GDI_Y, y,
9614                GDI_END);
9615   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
9616                GDI_Y, y,
9617                GDI_WIDTH, width,
9618                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
9619                GDI_END);
9620
9621   // adjust vertical scrollbar gadgets
9622   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
9623                GDI_X, x,
9624                GDI_END);
9625   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
9626                GDI_X, x,
9627                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
9628                GDI_END);
9629   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
9630                GDI_X, x,
9631                GDI_HEIGHT, height,
9632                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
9633                GDI_END);
9634 }
9635
9636 static void AdjustLevelScrollPosition(void)
9637 {
9638   if (level_xpos < -1)
9639     level_xpos = -1;
9640   if (level_xpos > lev_fieldx - ed_fieldx + 1)
9641     level_xpos = lev_fieldx - ed_fieldx + 1;
9642   if (lev_fieldx < ed_fieldx - 2)
9643     level_xpos = -1;
9644
9645   if (level_ypos < -1)
9646     level_ypos = -1;
9647   if (level_ypos > lev_fieldy - ed_fieldy + 1)
9648     level_ypos = lev_fieldy - ed_fieldy + 1;
9649   if (lev_fieldy < ed_fieldy - 2)
9650     level_ypos = -1;
9651
9652   if (suppressBorderElement())
9653   {
9654     level_xpos = 0;
9655     level_ypos = 0;
9656   }
9657 }
9658
9659 static void AdjustEditorScrollbar(int id)
9660 {
9661   struct GadgetInfo *gi = level_editor_gadget[id];
9662   int items_max, items_visible, item_position;
9663
9664   if (id == GADGET_ID_SCROLL_HORIZONTAL)
9665   {
9666     items_max = MAX(lev_fieldx + 2, ed_fieldx);
9667     items_visible = ed_fieldx;
9668     item_position = level_xpos + 1;
9669   }
9670   else
9671   {
9672     items_max = MAX(lev_fieldy + 2, ed_fieldy);
9673     items_visible = ed_fieldy;
9674     item_position = level_ypos + 1;
9675   }
9676
9677   if (item_position > items_max - items_visible)
9678     item_position = items_max - items_visible;
9679
9680   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9681                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9682 }
9683
9684 static void AdjustElementListScrollbar(void)
9685 {
9686   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
9687   int items_max, items_visible, item_position;
9688
9689   // correct position of element list scrollbar
9690   if (element_shift < 0)
9691     element_shift = 0;
9692   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
9693     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
9694
9695   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
9696   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
9697   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
9698
9699   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9700                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9701                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9702 }
9703
9704 static void ModifyEditorCounterValue(int counter_id, int new_value)
9705 {
9706   int *counter_value = counterbutton_info[counter_id].value;
9707   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9708   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9709
9710   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
9711
9712   if (counter_value != NULL)
9713     *counter_value = gi->textinput.number_value;
9714 }
9715
9716 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
9717 {
9718   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9719   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9720
9721   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
9722
9723   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
9724       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
9725   {
9726     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
9727     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
9728
9729     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
9730     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
9731                  GDI_END);
9732   }
9733 }
9734
9735 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
9736 {
9737   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9738   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9739   int new_index_value = setSelectboxValue(selectbox_id, new_value);
9740
9741   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
9742 }
9743
9744 static void ModifyEditorSelectboxOptions(int selectbox_id,
9745                                          struct ValueTextInfo *options)
9746 {
9747   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9748   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9749
9750   selectbox_info[selectbox_id].options = options;
9751
9752   // set index to zero -- list may be shorter now (correct later, if needed)
9753   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
9754                GDI_SELECTBOX_OPTIONS, options, GDI_END);
9755 }
9756
9757 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
9758 {
9759   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
9760   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9761
9762   drawingarea_info[drawingarea_id].area_xsize = xsize;
9763   drawingarea_info[drawingarea_id].area_ysize = ysize;
9764
9765   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
9766 }
9767
9768 static void ModifyEditorElementList(void)
9769 {
9770   int i;
9771
9772   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
9773     return;
9774
9775   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9776   {
9777     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
9778     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9779     struct GadgetDesign *gd = &gi->deco.design;
9780     int element = editor_elements[element_shift + i];
9781     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
9782
9783     UnmapGadget(gi);
9784
9785     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
9786
9787     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
9788
9789     MapGadget(gi);
9790   }
9791 }
9792
9793 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
9794 {
9795   int graphic = el2edimg(element);
9796   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
9797
9798   if (pos->x == -1 &&
9799       pos->y == -1)
9800     return;
9801
9802   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
9803 }
9804
9805 static void ModifyDrawingElementButton(int element, int id)
9806 {
9807   struct GadgetInfo *gi = level_editor_gadget[id];
9808   Bitmap *deco_bitmap;
9809   int deco_x, deco_y;
9810   int tile_size = gi->deco.width;
9811
9812   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
9813
9814   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
9815 }
9816
9817 static void PickDrawingElement(int button, int element)
9818 {
9819   struct
9820   {
9821     int *new_element;
9822     struct XYTileSize *pos;
9823     int id;
9824   } de, drawing_elements[] =
9825   {
9826     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
9827     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
9828     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
9829   };
9830
9831   if (button < 1 || button > 3)
9832     return;
9833
9834   if (IS_MM_WALL(element))
9835     element = map_mm_wall_element(element);
9836
9837   de = drawing_elements[button - 1];
9838
9839   *de.new_element = element;    // update global drawing element variable
9840
9841   DrawDrawingElementGraphic(element, de.pos);
9842   ModifyDrawingElementButton(element, de.id);
9843
9844   redraw_mask |= REDRAW_DOOR_1;
9845 }
9846
9847 static void RedrawDrawingElements(void)
9848 {
9849   PickDrawingElement(1, new_element1);
9850   PickDrawingElement(2, new_element2);
9851   PickDrawingElement(3, new_element3);
9852 }
9853
9854 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
9855 {
9856   stick_element_properties_window = FALSE;
9857
9858   SetMainBackgroundImage(IMG_UNDEFINED);
9859   ClearField();
9860
9861   UnmapLevelEditorFieldGadgets();
9862
9863   AdjustDrawingAreaGadgets();
9864   AdjustLevelScrollPosition();
9865   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
9866   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
9867
9868   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
9869
9870   MapMainDrawingArea();
9871
9872   if (remap_toolbox_gadgets)
9873   {
9874     UnmapLevelEditorToolboxCustomGadgets();
9875     MapLevelEditorToolboxDrawingGadgets();
9876   }
9877 }
9878
9879 static void DrawDrawingWindow(void)
9880 {
9881   DrawDrawingWindowExt(TRUE);
9882 }
9883
9884 static int getTabulatorBarWidth(void)
9885 {
9886   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9887   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
9888
9889   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
9890 }
9891
9892 static int getTabulatorBarHeight(void)
9893 {
9894   return ED_TAB_BAR_HEIGHT;
9895 }
9896
9897 static Pixel getTabulatorBarColor(void)
9898 {
9899   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
9900   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9901   int gd_x = gd->x + gd_gi1->border.width / 2;
9902   int gd_y = gd->y + gd_gi1->height - 1;
9903
9904   return GetPixel(gd->bitmap, gd_x, gd_y);
9905 }
9906
9907 static void DrawLevelConfigTabulatorGadgets(void)
9908 {
9909   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
9910   Pixel tab_color = getTabulatorBarColor();
9911   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
9912   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
9913   int i;
9914
9915   // draw additional "engine" tabulator when using native BD engine
9916   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9917     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
9918
9919   for (i = id_first; i <= id_last; i++)
9920   {
9921     int gadget_id = textbutton_info[i].gadget_id;
9922     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9923     boolean active = (i != edit_mode_levelconfig);
9924
9925     // draw background line below tabulator button
9926     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9927
9928     // draw solid line below inactive tabulator buttons
9929     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9930       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9931                     ED_GADGET_TINY_DISTANCE, tab_color);
9932
9933     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9934     MapTextbuttonGadget(i);
9935   }
9936
9937   // draw little border line below tabulator buttons
9938   if (tab_color != BLACK_PIXEL)                 // black => transparent
9939     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9940                   ED_GADGET_TINY_DISTANCE,
9941                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9942 }
9943
9944 static void DrawPropertiesTabulatorGadgets(void)
9945 {
9946   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9947   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9948   int gd_x = gd->x + gd_gi1->border.width / 2;
9949   int gd_y = gd->y + gd_gi1->height - 1;
9950   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9951   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9952   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9953   int i;
9954
9955   // draw two config tabulators for player elements
9956   if (IS_PLAYER_ELEMENT(properties_element))
9957     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9958
9959   // draw two config and one "change" tabulator for custom elements
9960   if (IS_CUSTOM_ELEMENT(properties_element))
9961     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9962
9963   for (i = id_first; i <= id_last; i++)
9964   {
9965     int gadget_id = textbutton_info[i].gadget_id;
9966     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9967     boolean active = (i != edit_mode_properties);
9968
9969     // use "config 1" and "config 2" instead of "config" for players and CEs
9970     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9971         (IS_PLAYER_ELEMENT(properties_element) ||
9972          IS_CUSTOM_ELEMENT(properties_element)))
9973       continue;
9974
9975     // draw background line below tabulator button
9976     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9977
9978     // draw solid line below inactive tabulator buttons
9979     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9980       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9981                     ED_GADGET_TINY_DISTANCE, tab_color);
9982
9983     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9984     MapTextbuttonGadget(i);
9985   }
9986
9987   // draw little border line below tabulator buttons
9988   if (tab_color != BLACK_PIXEL)                 // black => transparent
9989     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9990                   ED_GADGET_TINY_DISTANCE,
9991                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9992 }
9993
9994 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9995 {
9996   DrawText(SX + xpos, SY + ypos, text, font_nr);
9997 }
9998
9999 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10000                                            int xpos, int ypos)
10001 {
10002   int font_width = getFontWidth(font_nr);
10003   int font_height = getFontHeight(font_nr);
10004   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10005   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10006
10007   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10008                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10009                       TRUE, FALSE, FALSE);
10010 }
10011
10012 static void DrawLevelConfigLevel(void)
10013 {
10014   int i;
10015
10016   // draw counter gadgets
10017   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10018     MapCounterButtons(i);
10019
10020   // draw checkbutton gadgets
10021   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10022     MapCheckbuttonGadget(i);
10023
10024   // draw selectbox gadgets
10025   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10026     MapSelectboxGadget(i);
10027
10028   // draw text input gadgets
10029   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10030     MapTextInputGadget(i);
10031 }
10032
10033 static char *getLevelSubdirFromSaveMode(int save_mode)
10034 {
10035   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10036     return getNewUserLevelSubdir();
10037
10038   return leveldir_current->subdir;
10039 }
10040
10041 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10042 {
10043   char *directory_text = "Level set directory:";
10044   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10045   int font1_nr = FONT_TEXT_1;
10046   int font2_nr = FONT_TEXT_2;
10047   int font1_height = getFontHeight(font1_nr);
10048   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10049   int x = ED_LEVEL_SETTINGS_X(0);
10050   int y = ED_LEVEL_SETTINGS_Y(6);
10051
10052   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10053   PrintInfoText(directory_name, font2_nr, x, y);
10054 }
10055
10056 static void DrawLevelConfigLevelSet(void)
10057 {
10058   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10059   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10060   int i;
10061
10062   // draw counter gadgets
10063   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10064     MapCounterButtons(i);
10065
10066   // draw checkbutton gadgets
10067   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10068   {
10069     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10070         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10071         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10072       continue;
10073
10074     MapCheckbuttonGadget(i);
10075   }
10076
10077   // draw selectbox gadgets
10078   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10079     MapSelectboxGadget(i);
10080
10081   // draw text input gadgets
10082   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10083     MapTextInputGadget(i);
10084
10085   // draw textbutton gadgets
10086   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10087
10088   // draw info text
10089   DrawLevelConfigLevelSet_DirectoryInfo();
10090 }
10091
10092 static void DrawLevelConfigEditor(void)
10093 {
10094   int i;
10095
10096   // draw counter gadgets
10097   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10098     MapCounterButtons(i);
10099
10100   // draw checkbutton gadgets
10101   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10102     MapCheckbuttonGadget(i);
10103
10104   // draw radiobutton gadgets
10105   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10106     MapRadiobuttonGadget(i);
10107
10108   // draw drawing area
10109   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10110
10111   // draw textbutton gadgets
10112   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10113 }
10114
10115 static void DrawLevelConfigEngine(void)
10116 {
10117   int i;
10118
10119   // draw counter gadgets
10120   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10121   {
10122     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10123     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10124   }
10125   else
10126   {
10127     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10128     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10129   }
10130
10131   // draw checkbutton gadgets
10132   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10133     MapCheckbuttonGadget(i);
10134
10135   // draw selectbox gadgets
10136   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10137     MapSelectboxGadget(i);
10138 }
10139
10140 static void DrawLevelConfigWindow(void)
10141 {
10142   char *text = "Global Settings";
10143   int font_nr = FONT_TITLE_1;
10144   struct MenuPosInfo *pos = &editor.settings.headline;
10145   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10146   int sy = SY + pos->y;
10147
10148   stick_element_properties_window = FALSE;
10149
10150   SetAutomaticNumberOfGemsNeeded();
10151
10152   UnmapLevelEditorFieldGadgets();
10153
10154   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10155   ClearField();
10156
10157   DrawText(sx, sy, text, font_nr);
10158
10159   DrawLevelConfigTabulatorGadgets();
10160
10161   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10162     DrawLevelConfigLevel();
10163   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10164     DrawLevelConfigLevelSet();
10165   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10166     DrawLevelConfigEditor();
10167   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10168     DrawLevelConfigEngine();
10169 }
10170
10171 static void DrawCustomContentArea(void)
10172 {
10173   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10174   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10175   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10176   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10177   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10178   int xoffset = ED_GADGET_SPACE_DISTANCE;
10179
10180   // add distance for potential left text (without drawing area border)
10181   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10182
10183   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10184
10185   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10186 }
10187
10188 static void DrawCustomChangeContentArea(void)
10189 {
10190   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10191   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10192   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10193   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10194   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10195   int xoffset = ED_GADGET_SPACE_DISTANCE;
10196
10197   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10198
10199   MapDrawingArea(id);
10200 }
10201
10202 static void RemoveElementContentArea(int id, int font_height)
10203 {
10204   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10205
10206   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10207                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10208                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10209                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10210                  ED_GADGET_TEXT_DISTANCE + font_height);
10211 }
10212
10213 static void DrawYamYamContentAreas(void)
10214 {
10215   int font_nr = FONT_TEXT_1;
10216   int font_height = getFontHeight(font_nr);
10217   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10218   int yoffset = (tilesize - font_height) / 2;
10219   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10220   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10221   int i;
10222
10223   // display counter to choose number of element content areas
10224   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10225
10226   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10227   {
10228     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10229
10230     if (i < level.num_yamyam_contents)
10231     {
10232       MapDrawingArea(id);
10233     }
10234     else
10235     {
10236       UnmapDrawingArea(id);
10237
10238       // delete content areas in case of reducing number of them
10239       RemoveElementContentArea(id, font_height);
10240     }
10241   }
10242
10243   DrawText(x, y + 0 * tilesize, "content", font_nr);
10244   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10245   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10246 }
10247
10248 static void DrawMagicBallContentAreas(void)
10249 {
10250   int font_nr = FONT_TEXT_1;
10251   int font_height = getFontHeight(font_nr);
10252   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10253   int yoffset = (tilesize - font_height) / 2;
10254   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10255   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10256   int i;
10257
10258   // display counter to choose number of element content areas
10259   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10260
10261   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10262   {
10263     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10264
10265     if (i < level.num_ball_contents)
10266     {
10267       MapDrawingArea(id);
10268     }
10269     else
10270     {
10271       UnmapDrawingArea(id);
10272
10273       // delete content areas in case of reducing number of them
10274       RemoveElementContentArea(id, font_height);
10275     }
10276   }
10277
10278   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10279   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10280   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10281 }
10282
10283 static void DrawAndroidElementArea(void)
10284 {
10285   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10286   int num_elements = level.num_android_clone_elements;
10287   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10288   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10289   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10290   int xsize = MAX_ANDROID_ELEMENTS;
10291   int ysize = 1;
10292
10293   // display counter to choose number of element areas
10294   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
10295
10296   if (drawingarea_info[id].text_left != NULL)
10297     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10298
10299   UnmapDrawingArea(id);
10300
10301   ModifyEditorDrawingArea(id, num_elements, 1);
10302
10303   // delete content areas in case of reducing number of them
10304   DrawBackground(sx, sy,
10305                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10306                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10307
10308   MapDrawingArea(id);
10309 }
10310
10311 static void DrawGroupElementArea(void)
10312 {
10313   int id = ED_DRAWING_ID_GROUP_CONTENT;
10314   int num_elements = group_element_info.num_elements;
10315   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10316   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10317   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10318   int xsize = MAX_ELEMENTS_IN_GROUP;
10319   int ysize = 1;
10320
10321   if (drawingarea_info[id].text_left != NULL)
10322     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10323
10324   UnmapDrawingArea(id);
10325
10326   ModifyEditorDrawingArea(id, num_elements, 1);
10327
10328   // delete content areas in case of reducing number of them
10329   DrawBackground(sx, sy,
10330                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10331                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10332
10333   MapDrawingArea(id);
10334 }
10335
10336 static void DrawPlayerInitialInventoryArea(int element)
10337 {
10338   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
10339   int player_nr = GET_PLAYER_NR(element);
10340   int num_elements = level.initial_inventory_size[player_nr];
10341   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10342   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10343   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10344   int xsize = MAX_INITIAL_INVENTORY_SIZE;
10345   int ysize = 1;
10346
10347   // determine horizontal position to the right of specified gadget
10348   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
10349     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
10350           ED_DRAWINGAREA_TEXT_DISTANCE);
10351
10352   // determine horizontal offset for leading text
10353   if (drawingarea_info[id].text_left != NULL)
10354     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10355
10356   UnmapDrawingArea(id);
10357
10358   ModifyEditorDrawingArea(id, num_elements, 1);
10359
10360   // delete content areas in case of reducing number of them
10361   DrawBackground(sx, sy,
10362                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10363                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10364
10365   MapDrawingArea(id);
10366 }
10367
10368 static void DrawMMBallContentArea(void)
10369 {
10370   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
10371   int num_elements = level.num_mm_ball_contents;
10372   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10373   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10374   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10375   int xsize = MAX_MM_BALL_CONTENTS;
10376   int ysize = 1;
10377
10378   if (drawingarea_info[id].text_left != NULL)
10379     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10380
10381   UnmapDrawingArea(id);
10382
10383   ModifyEditorDrawingArea(id, num_elements, 1);
10384
10385   // delete content areas in case of reducing number of them
10386   DrawBackground(sx, sy,
10387                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10388                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10389
10390   MapDrawingArea(id);
10391 }
10392
10393 static void DrawEnvelopeTextArea(int envelope_nr)
10394 {
10395   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
10396   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
10397
10398   UnmapGadget(gi);
10399
10400   DrawBackground(gi->x, gi->y,
10401                  gi->textarea.crop_width, gi->textarea.crop_height);
10402
10403   if (envelope_nr != -1)
10404     textarea_info[id].value = level.envelope[envelope_nr].text;
10405
10406   ModifyGadget(gi, GDI_AREA_SIZE,
10407                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
10408                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
10409                GDI_END);
10410
10411   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
10412 }
10413
10414 static void DrawPropertiesInfo(void)
10415 {
10416   static struct
10417   {
10418     int value;
10419     char *text;
10420   }
10421   properties[] =
10422   {
10423     // configurable properties
10424
10425     { EP_WALKABLE_OVER,         "- player can walk over it"             },
10426     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
10427     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
10428     { EP_PASSABLE_OVER,         "- player can pass over it"             },
10429     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
10430     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
10431     { EP_PROTECTED,             "- player is protected by it"           },
10432
10433     { EP_DIGGABLE,              "- can be digged away"                  },
10434     { EP_COLLECTIBLE,           "- can be collected"                    },
10435     { EP_DROPPABLE,             "- can be dropped after collecting"     },
10436     { EP_THROWABLE,             "- can be thrown after collecting"      },
10437     { EP_PUSHABLE,              "- can be pushed"                       },
10438
10439     { EP_CAN_FALL,              "- can fall"                            },
10440     { EP_CAN_MOVE,              "- can move"                            },
10441
10442     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
10443 #if 0
10444     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
10445 #endif
10446     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
10447
10448     { EP_SLIPPERY,              "- slippery for falling elements"       },
10449     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
10450
10451     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
10452     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
10453     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
10454     { EP_DONT_TOUCH,            "- deadly when touching"                },
10455
10456     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
10457
10458     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
10459     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
10460     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
10461
10462     { EP_CAN_CHANGE,            "- can change to other element"         },
10463
10464     // pre-defined properties
10465     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
10466     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
10467     { EP_SWITCHABLE,            "- can be switched"                     },
10468 #if 0
10469     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
10470 #endif
10471
10472     { -1,                       NULL                                    }
10473   };
10474   char *filename = getElementDescriptionFilename(properties_element);
10475   char *num_elements_text = "In this level: ";
10476   char *num_similar_text = "Similar tiles: ";
10477   char *properties_text = "Standard properties: ";
10478   char *description_text = "Description:";
10479   char *no_description_text = "No description available.";
10480   char *none_text = "None";
10481   float percentage;
10482   int num_elements_in_level = 0;
10483   int num_similar_in_level = 0;
10484   int num_hires_tiles_in_level = 0;
10485   int num_standard_properties = 0;
10486   int font1_nr = FONT_TEXT_1;
10487   int font2_nr = FONT_TEXT_2;
10488   int font1_width = getFontWidth(font1_nr);
10489   int font1_height = getFontHeight(font1_nr);
10490   int font2_height = getFontHeight(font2_nr);
10491   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
10492   int font2_yoffset = (font1_height - font2_height) / 2;
10493   int num_elements_text_len = strlen(num_elements_text) * font1_width;
10494   int num_similar_text_len = strlen(num_similar_text) * font1_width;
10495   int properties_text_len = strlen(properties_text) * font1_width;
10496   int xpos = ED_ELEMENT_SETTINGS_X(0);
10497   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10498   int i, x, y;
10499
10500   if (setup.editor.show_element_token)
10501   {
10502     int font3_nr = FONT_TEXT_3;
10503     int font3_height = getFontHeight(font3_nr);
10504
10505     DrawTextF(xpos, ypos, font3_nr,
10506               "[%s]", element_info[properties_element].token_name);
10507
10508     ypos += 2 * font3_height;
10509   }
10510
10511   // ----- print number of elements / percentage of this element in level
10512
10513   for (y = 0; y < lev_fieldy; y++)
10514   {
10515     for (x = 0; x < lev_fieldx; x++)
10516     {
10517       if (Tile[x][y] == properties_element)
10518       {
10519         num_elements_in_level++;
10520       }
10521       else if (IS_MM_WALL(Tile[x][y]) &&
10522                map_mm_wall_element(Tile[x][y]) == properties_element)
10523       {
10524         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
10525       }
10526     }
10527   }
10528
10529   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10530
10531   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
10532
10533   if (num_hires_tiles_in_level > 0)
10534     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10535               "%d wall tiles", num_hires_tiles_in_level);
10536   else if (num_elements_in_level > 0)
10537     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10538               "%d (%.2f %%)", num_elements_in_level, percentage);
10539   else
10540     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10541               none_text);
10542
10543   // ----- print number of similar elements / percentage of them in level
10544
10545   for (y = 0; y < lev_fieldy; y++)
10546   {
10547     for (x = 0; x < lev_fieldx; x++)
10548     {
10549       if (strEqual(element_info[Tile[x][y]].class_name,
10550                    element_info[properties_element].class_name))
10551       {
10552         num_similar_in_level++;
10553       }
10554     }
10555   }
10556
10557   if (num_similar_in_level != num_elements_in_level)
10558   {
10559     ypos += 1 * MAX(font1_height, font2_height);
10560
10561     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10562
10563     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
10564
10565     if (num_similar_in_level > 0)
10566       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10567                 "%d (%.2f %%)", num_similar_in_level, percentage);
10568     else
10569       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10570                 none_text);
10571   }
10572
10573   ypos += 2 * MAX(font1_height, font2_height);
10574
10575   // ----- print standard properties of this element
10576
10577   DrawTextS(xpos, ypos, font1_nr, properties_text);
10578
10579   ypos += line1_height;
10580
10581   for (i = 0; properties[i].value != -1; i++)
10582   {
10583     if (!HAS_PROPERTY(properties_element, properties[i].value))
10584       continue;
10585
10586     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
10587
10588     ypos += font2_height;
10589
10590     num_standard_properties++;
10591   }
10592
10593   if (num_standard_properties == 0)
10594   {
10595     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
10596               font2_nr, none_text);
10597
10598     ypos -= (line1_height - font1_height);
10599   }
10600
10601   ypos += MAX(font1_height, font2_height);
10602
10603   // ----- print special description of this element
10604
10605   PrintInfoText(description_text, font1_nr, xpos, ypos);
10606
10607   ypos += line1_height;
10608
10609   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
10610     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
10611 }
10612
10613 #define TEXT_COLLECTING         "Score for collecting"
10614 #define TEXT_COLLECTING_EXTRA   "Score for extra diamonds"
10615 #define TEXT_SMASHING           "Score for smashing"
10616 #define TEXT_SLURPING           "Score for slurping robot"
10617 #define TEXT_CRACKING           "Score for cracking"
10618 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
10619 #define TEXT_DURATION           "Duration when activated"
10620 #define TEXT_DELAY_ON           "Delay before activating"
10621 #define TEXT_DELAY_OFF          "Delay before deactivating"
10622 #define TEXT_DELAY_CHANGING     "Delay before changing"
10623 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
10624 #define TEXT_DELAY_MOVING       "Delay before moving"
10625 #define TEXT_BALL_DELAY         "Element generation delay"
10626 #define TEXT_MOVE_SPEED         "Speed of android moving"
10627 #define TEXT_CLONE_SPEED        "Speed of android cloning"
10628 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
10629 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
10630 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
10631 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
10632 #define TEXT_TIME_BONUS         "Extra time to solve level"
10633
10634 static struct
10635 {
10636   int element;
10637   int *value;
10638   char *text;
10639 } elements_with_counter[] =
10640 {
10641   { EL_EMERALD,                 &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10642   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10643   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA], TEXT_COLLECTING_EXTRA   },
10644   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10645   { EL_EMERALD_RED,             &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10646   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10647   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10648   { EL_DIAMOND,                 &level.score[SC_DIAMOND],       TEXT_COLLECTING         },
10649   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],       TEXT_COLLECTING         },
10650   { EL_PEARL,                   &level.score[SC_PEARL],         TEXT_COLLECTING         },
10651   { EL_BUG,                     &level.score[SC_BUG],           TEXT_SMASHING           },
10652   { EL_BUG_RIGHT,               &level.score[SC_BUG],           TEXT_SMASHING           },
10653   { EL_BUG_UP,                  &level.score[SC_BUG],           TEXT_SMASHING           },
10654   { EL_BUG_LEFT,                &level.score[SC_BUG],           TEXT_SMASHING           },
10655   { EL_BUG_DOWN,                &level.score[SC_BUG],           TEXT_SMASHING           },
10656   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],           TEXT_SMASHING           },
10657   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],           TEXT_SMASHING           },
10658   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],           TEXT_SMASHING           },
10659   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],           TEXT_SMASHING           },
10660   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],           TEXT_SMASHING           },
10661   { EL_SP_ELECTRON,             &level.score[SC_BUG],           TEXT_SMASHING           },
10662   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10663   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10664   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10665   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10666   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10667   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10668   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10669   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10670   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10671   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10672   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10673   { EL_YAMYAM,                  &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10674   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10675   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10676   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10677   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10678   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10679   { EL_ROBOT,                   &level.score[SC_ROBOT],         TEXT_SMASHING           },
10680   { EL_PACMAN,                  &level.score[SC_PACMAN],        TEXT_SMASHING           },
10681   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],        TEXT_SMASHING           },
10682   { EL_PACMAN_UP,               &level.score[SC_PACMAN],        TEXT_SMASHING           },
10683   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],        TEXT_SMASHING           },
10684   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],        TEXT_SMASHING           },
10685   { EL_NUT,                     &level.score[SC_NUT],           TEXT_CRACKING           },
10686   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10687   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10688   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10689   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10690   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10691   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],        TEXT_COLLECTING         },
10692   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],        TEXT_COLLECTING         },
10693   { EL_EXTRA_TIME,              &level.extra_time_score,        TEXT_COLLECTING         },
10694   { EL_KEY_1,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10695   { EL_KEY_2,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10696   { EL_KEY_3,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10697   { EL_KEY_4,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10698   { EL_EM_KEY_1,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10699   { EL_EM_KEY_2,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10700   { EL_EM_KEY_3,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10701   { EL_EM_KEY_4,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10702   { EL_EMC_KEY_5,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10703   { EL_EMC_KEY_6,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10704   { EL_EMC_KEY_7,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10705   { EL_EMC_KEY_8,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10706   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],           TEXT_COLLECTING         },
10707   { EL_MM_KETTLE,               &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10708   { EL_DF_CELL,                 &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10709   { EL_MM_KEY,                  &level.score[SC_KEY],           TEXT_COLLECTING         },
10710   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING         },
10711   { EL_MM_PACMAN,               &level.score[SC_PACMAN],        TEXT_SMASHING           },
10712   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],        TEXT_SMASHING           },
10713   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],        TEXT_SMASHING           },
10714   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],        TEXT_SMASHING           },
10715   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],        TEXT_SMASHING           },
10716   { EL_AMOEBA_WET,              &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10717   { EL_AMOEBA_DRY,              &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10718   { EL_AMOEBA_FULL,             &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10719   { EL_BD_AMOEBA,               &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10720   { EL_EMC_DRIPPER,             &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10721   { EL_MAGIC_WALL,              &level.time_magic_wall,         TEXT_DURATION           },
10722   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,         TEXT_DURATION           },
10723   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,         TEXT_DURATION           },
10724   { EL_ROBOT_WHEEL,             &level.time_wheel,              TEXT_DURATION           },
10725   { EL_TIMEGATE_SWITCH,         &level.time_timegate,           TEXT_DURATION           },
10726   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,           TEXT_DURATION           },
10727   { EL_LIGHT_SWITCH,            &level.time_light,              TEXT_DURATION           },
10728   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,              TEXT_DURATION           },
10729   { EL_SHIELD_NORMAL,           &level.shield_normal_time,      TEXT_DURATION           },
10730   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,      TEXT_DURATION           },
10731   { EL_EXTRA_TIME,              &level.extra_time,              TEXT_TIME_BONUS         },
10732   { EL_TIME_ORB_FULL,           &level.time_orb_time,           TEXT_TIME_BONUS         },
10733   { EL_GAME_OF_LIFE,            &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1     },
10734   { EL_GAME_OF_LIFE,            &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2     },
10735   { EL_GAME_OF_LIFE,            &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3     },
10736   { EL_GAME_OF_LIFE,            &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4     },
10737   { EL_BIOMAZE,                 &level.biomaze[0],              TEXT_GAME_OF_LIFE_1     },
10738   { EL_BIOMAZE,                 &level.biomaze[1],              TEXT_GAME_OF_LIFE_2     },
10739   { EL_BIOMAZE,                 &level.biomaze[2],              TEXT_GAME_OF_LIFE_3     },
10740   { EL_BIOMAZE,                 &level.biomaze[3],              TEXT_GAME_OF_LIFE_4     },
10741   { EL_EMC_ANDROID,             &level.android_move_time,       TEXT_MOVE_SPEED         },
10742   { EL_EMC_ANDROID,             &level.android_clone_time,      TEXT_CLONE_SPEED        },
10743   { EL_EMC_MAGIC_BALL,          &level.ball_time,               TEXT_BALL_DELAY         },
10744   { EL_EMC_LENSES,              &level.lenses_score,            TEXT_COLLECTING         },
10745   { EL_EMC_MAGNIFIER,           &level.magnify_score,           TEXT_COLLECTING         },
10746   { EL_SPRING,                  &level.slurp_score,             TEXT_SLURPING           },
10747   { EL_SPRING_LEFT,             &level.slurp_score,             TEXT_SLURPING           },
10748   { EL_SPRING_RIGHT,            &level.slurp_score,             TEXT_SLURPING           },
10749   { EL_EMC_LENSES,              &level.lenses_time,             TEXT_DURATION           },
10750   { EL_EMC_MAGNIFIER,           &level.magnify_time,            TEXT_DURATION           },
10751   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,            TEXT_DELAY_OFF          },
10752   { EL_MM_BOMB,                 &level.mm_time_bomb,            TEXT_DELAY_EXPLODING    },
10753   { EL_MM_GRAY_BALL,            &level.mm_time_ball,            TEXT_DELAY_CHANGING     },
10754   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,           TEXT_DELAY_MOVING       },
10755   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,           TEXT_DELAY_MOVING       },
10756
10757   { -1,                         NULL,                           NULL                    }
10758 };
10759
10760 static boolean checkPropertiesConfig(int element)
10761 {
10762   int i;
10763
10764   // special case: empty space customization only available in R'n'D game engine
10765   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
10766     return FALSE;
10767
10768   if (IS_GEM(element) ||
10769       IS_CUSTOM_ELEMENT(element) ||
10770       IS_GROUP_ELEMENT(element) ||
10771       IS_EMPTY_ELEMENT(element) ||
10772       IS_BALLOON_ELEMENT(element) ||
10773       IS_ENVELOPE(element) ||
10774       IS_MM_ENVELOPE(element) ||
10775       IS_MM_MCDUFFIN(element) ||
10776       IS_DF_LASER(element) ||
10777       IS_PLAYER_ELEMENT(element) ||
10778       IS_BD_PLAYER_ELEMENT(element) ||
10779       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
10780       HAS_EDITOR_CONTENT(element) ||
10781       CAN_GROW(element) ||
10782       COULD_MOVE_INTO_ACID(element) ||
10783       MAYBE_DONT_COLLIDE_WITH(element))
10784     return TRUE;
10785   else
10786     for (i = 0; elements_with_counter[i].element != -1; i++)
10787       if (elements_with_counter[i].element == element)
10788         return TRUE;
10789
10790   return FALSE;
10791 }
10792
10793 static void SetAutomaticNumberOfGemsNeeded(void)
10794 {
10795   int x, y;
10796
10797   if (!level.auto_count_gems)
10798     return;
10799
10800   level.gems_needed = 0;
10801
10802   for (x = 0; x < lev_fieldx; x++)
10803   {
10804     for (y = 0; y < lev_fieldy; y++)
10805     {
10806       int element = Tile[x][y];
10807
10808       switch (element)
10809       {
10810         case EL_EMERALD:
10811         case EL_EMERALD_YELLOW:
10812         case EL_EMERALD_RED:
10813         case EL_EMERALD_PURPLE:
10814         case EL_BD_DIAMOND:
10815         case EL_WALL_EMERALD:
10816         case EL_WALL_EMERALD_YELLOW:
10817         case EL_WALL_EMERALD_RED:
10818         case EL_WALL_EMERALD_PURPLE:
10819         case EL_WALL_BD_DIAMOND:
10820         case EL_NUT:
10821         case EL_SP_INFOTRON:
10822         case EL_MM_KETTLE:
10823         case EL_DF_CELL:
10824           level.gems_needed++;
10825           break;
10826
10827         case EL_DIAMOND:
10828         case EL_WALL_DIAMOND:
10829           level.gems_needed += 3;
10830           break;
10831
10832         case EL_PEARL:
10833         case EL_WALL_PEARL:
10834           level.gems_needed += 5;
10835           break;
10836
10837         case EL_CRYSTAL:
10838         case EL_WALL_CRYSTAL:
10839           level.gems_needed += 8;
10840           break;
10841
10842         default:
10843           break;
10844       }
10845     }
10846   }
10847
10848   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
10849 }
10850
10851 static void DrawPropertiesConfig(void)
10852 {
10853   boolean draw_footer_line = FALSE;
10854   int max_num_element_counters = 4;
10855   int num_element_counters = 0;
10856   int i;
10857
10858   if (!checkPropertiesConfig(properties_element))
10859   {
10860     int xpos = ED_ELEMENT_SETTINGS_X(0);
10861     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10862
10863     PrintInfoText("No configuration options available.",
10864                   FONT_TEXT_1, xpos, ypos);
10865
10866     return;
10867   }
10868
10869   // check if there are elements where a value can be chosen for
10870   for (i = 0; elements_with_counter[i].element != -1; i++)
10871   {
10872     if (elements_with_counter[i].element == properties_element)
10873     {
10874       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
10875
10876       counterbutton_info[counter_id].y =
10877         ED_ELEMENT_SETTINGS_YPOS(
10878                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
10879                 (CAN_GROW(properties_element)                ? 1 : 0) +
10880                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
10881                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
10882                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
10883                 num_element_counters);
10884
10885       counterbutton_info[counter_id].value = elements_with_counter[i].value;
10886       counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
10887
10888       if (properties_element == EL_GAME_OF_LIFE ||
10889           properties_element == EL_BIOMAZE)
10890       {
10891         counterbutton_info[counter_id].min_value = 0;   // min neighbours
10892         counterbutton_info[counter_id].max_value = 8;   // max neighbours
10893       }
10894       else
10895       {
10896         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
10897         counterbutton_info[counter_id].min_value = MIN_SCORE;
10898         counterbutton_info[counter_id].max_value = MAX_SCORE;
10899       }
10900
10901       MapCounterButtons(counter_id);
10902
10903       num_element_counters++;
10904       if (num_element_counters >= max_num_element_counters)
10905         break;
10906     }
10907   }
10908
10909   if (HAS_EDITOR_CONTENT(properties_element))
10910   {
10911     // draw stickybutton gadget
10912     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10913
10914     if (IS_AMOEBOID(properties_element))
10915       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
10916     else if (properties_element == EL_YAMYAM ||
10917              properties_element == EL_YAMYAM_LEFT ||
10918              properties_element == EL_YAMYAM_RIGHT ||
10919              properties_element == EL_YAMYAM_UP ||
10920              properties_element == EL_YAMYAM_DOWN)
10921       DrawYamYamContentAreas();
10922     else if (properties_element == EL_EMC_MAGIC_BALL)
10923     {
10924       DrawMagicBallContentAreas();
10925
10926       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
10927       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
10928     }
10929     else if (properties_element == EL_EMC_ANDROID)
10930       DrawAndroidElementArea();
10931     else if (properties_element == EL_MM_GRAY_BALL)
10932     {
10933       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
10934       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
10935       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
10936       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
10937
10938       DrawMMBallContentArea();
10939     }
10940   }
10941
10942   if (IS_PLAYER_ELEMENT(properties_element))
10943   {
10944     int player_nr = GET_PLAYER_NR(properties_element);
10945
10946     // these properties can be set for every player individually
10947
10948     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10949     {
10950       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
10951         &level.start_element[player_nr];
10952       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
10953         &level.artwork_element[player_nr];
10954       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
10955         &level.explosion_element[player_nr];
10956
10957       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
10958         &level.use_start_element[player_nr];
10959       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
10960         &level.use_artwork_element[player_nr];
10961       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
10962         &level.use_explosion_element[player_nr];
10963       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
10964         &level.initial_player_gravity[player_nr];
10965
10966       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
10967         &level.initial_player_stepsize[player_nr];
10968
10969       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
10970       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
10971                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
10972                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
10973       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
10974       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
10975       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
10976       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
10977       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
10978       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
10979       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
10980       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
10981       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
10982       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
10983       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
10984
10985       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
10986       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
10987       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
10988
10989       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
10990     }
10991     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10992     {
10993       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
10994         &level.initial_inventory_content[player_nr][0];
10995
10996       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
10997         &level.initial_inventory_size[player_nr];
10998
10999       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11000         &level.use_initial_inventory[player_nr];
11001
11002       // draw checkbutton gadgets
11003       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11004       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11005       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11006
11007       // draw counter gadgets
11008       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11009
11010       // draw drawing area gadgets
11011       DrawPlayerInitialInventoryArea(properties_element);
11012     }
11013   }
11014
11015   if (IS_BD_PLAYER_ELEMENT(properties_element))
11016     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11017
11018   // special case: slippery walls option for gems only available in R'n'D game engine
11019   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
11020   {
11021     checkbutton_info[ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS].y =
11022       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_BD_DIAMOND ? 2 : 1);
11023
11024     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
11025   }
11026
11027   if (properties_element == EL_EM_DYNAMITE)
11028     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
11029
11030   if (COULD_MOVE_INTO_ACID(properties_element) &&
11031       !IS_PLAYER_ELEMENT(properties_element) &&
11032       (!IS_CUSTOM_ELEMENT(properties_element) ||
11033        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
11034   {
11035     // set position for checkbutton for "can move into acid"
11036     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
11037       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
11038     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
11039       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
11040                                IS_BALLOON_ELEMENT(properties_element) ||
11041                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11042
11043     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
11044   }
11045
11046   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
11047     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
11048
11049   if (properties_element == EL_SPRING ||
11050       properties_element == EL_SPRING_LEFT ||
11051       properties_element == EL_SPRING_RIGHT)
11052     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
11053
11054   if (properties_element == EL_TIME_ORB_FULL)
11055     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
11056
11057   if (properties_element == EL_GAME_OF_LIFE ||
11058       properties_element == EL_BIOMAZE)
11059     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
11060
11061   if (CAN_GROW(properties_element))
11062   {
11063     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
11064       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11065
11066     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
11067   }
11068
11069   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
11070     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
11071
11072   if (properties_element == EL_SOKOBAN_OBJECT)
11073     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
11074
11075   if (properties_element == EL_SOKOBAN_OBJECT ||
11076       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
11077       properties_element == EL_SOKOBAN_FIELD_FULL)
11078   {
11079     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
11080       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
11081                                0 : 1);
11082
11083     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
11084   }
11085
11086   if (IS_BALLOON_ELEMENT(properties_element))
11087     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
11088
11089   if (IS_ENVELOPE(properties_element) ||
11090       IS_MM_ENVELOPE(properties_element))
11091   {
11092     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
11093     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
11094     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
11095     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
11096     int envelope_nr = ENVELOPE_NR(properties_element);
11097
11098     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
11099     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
11100
11101     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
11102     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
11103
11104     // display counter to choose size of envelope text area
11105     MapCounterButtons(counter1_id);
11106     MapCounterButtons(counter2_id);
11107
11108     // display checkbuttons to choose auto-wrap and alignment properties
11109     MapCheckbuttonGadget(button1_id);
11110     MapCheckbuttonGadget(button2_id);
11111
11112     DrawEnvelopeTextArea(envelope_nr);
11113   }
11114
11115   if (IS_MM_MCDUFFIN(properties_element))
11116   {
11117     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
11118     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
11119     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
11120   }
11121
11122   if (IS_DF_LASER(properties_element))
11123   {
11124     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
11125     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
11126     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
11127   }
11128
11129   if (IS_CUSTOM_ELEMENT(properties_element))
11130   {
11131     // draw stickybutton gadget
11132     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11133
11134     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11135     {
11136       // draw checkbutton gadgets
11137       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
11138            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
11139         MapCheckbuttonGadget(i);
11140
11141       // draw counter gadgets
11142       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
11143            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
11144         MapCounterButtons(i);
11145
11146       // draw selectbox gadgets
11147       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
11148            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
11149         MapSelectboxGadget(i);
11150
11151       // draw textbutton gadgets
11152       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11153
11154       // draw text input gadgets
11155       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11156
11157       // draw drawing area gadgets
11158       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11159
11160       draw_footer_line = TRUE;
11161     }
11162     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11163     {
11164       // draw checkbutton gadgets
11165       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
11166            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
11167         MapCheckbuttonGadget(i);
11168
11169       // draw counter gadgets
11170       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
11171            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
11172         MapCounterButtons(i);
11173
11174       // draw selectbox gadgets
11175       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
11176            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
11177         MapSelectboxGadget(i);
11178
11179       // draw drawing area gadgets
11180       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
11181       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
11182       DrawCustomContentArea();
11183     }
11184   }
11185   else if (IS_GROUP_ELEMENT(properties_element))
11186   {
11187     // draw stickybutton gadget
11188     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11189
11190     // draw checkbutton gadgets
11191     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11192     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11193
11194     // draw counter gadgets
11195     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
11196
11197     // draw selectbox gadgets
11198     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
11199
11200     // draw textbutton gadgets
11201     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11202
11203     // draw drawing area gadgets
11204     DrawGroupElementArea();
11205
11206     // draw text input gadgets
11207     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11208
11209     // draw drawing area gadgets
11210     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11211
11212     draw_footer_line = TRUE;
11213   }
11214   else if (IS_EMPTY_ELEMENT(properties_element))
11215   {
11216     // draw stickybutton gadget
11217     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11218
11219     // draw checkbutton gadgets
11220     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11221     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11222
11223     // draw textbutton gadgets
11224     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11225
11226     // draw drawing area gadgets
11227     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11228
11229     draw_footer_line = TRUE;
11230   }
11231
11232   // draw little footer border line above CE/GE use/save template gadgets
11233   if (draw_footer_line)
11234   {
11235     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11236     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11237     int gd_x = gd->x + gd_gi1->border.width / 2;
11238     int gd_y = gd->y + gd_gi1->height - 1;
11239     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
11240
11241     if (tab_color != BLACK_PIXEL)               // black => transparent
11242       FillRectangle(drawto,
11243                     SX + ED_ELEMENT_SETTINGS_X(0),
11244                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
11245                     ED_TAB_BAR_HEIGHT,
11246                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11247   }
11248 }
11249
11250 static void DrawPropertiesChangeDrawingAreas(void)
11251 {
11252   if (IS_CUSTOM_ELEMENT(properties_element))
11253   {
11254     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
11255     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
11256     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
11257
11258     DrawCustomChangeContentArea();
11259   }
11260
11261   redraw_mask |= REDRAW_FIELD;
11262 }
11263
11264 static void DrawPropertiesChange(void)
11265 {
11266   int i;
11267
11268   // needed to initially set selectbox options for special action options
11269   setSelectboxSpecialActionOptions();
11270
11271   // draw stickybutton gadget
11272   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11273
11274   // draw checkbutton gadgets
11275   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
11276        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
11277     MapCheckbuttonGadget(i);
11278
11279   // draw counter gadgets
11280   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
11281        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
11282     MapCounterButtons(i);
11283
11284   // draw selectbox gadgets
11285   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
11286        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
11287     MapSelectboxGadget(i);
11288
11289   // draw textbutton gadgets
11290   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
11291        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
11292     MapTextbuttonGadget(i);
11293
11294   // draw graphicbutton gadgets
11295   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
11296        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
11297     MapGraphicbuttonGadget(i);
11298
11299   // draw drawing area gadgets
11300   DrawPropertiesChangeDrawingAreas();
11301 }
11302
11303 static void DrawEditorElementAnimation(int x, int y)
11304 {
11305   int graphic = el2img(properties_element);
11306   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
11307                custom_element.ce_value_fixed_initial :
11308                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
11309                custom_element.collect_score_initial : FrameCounter);
11310
11311   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
11312 }
11313
11314 static void DrawEditorElementName(int x, int y, int font_nr)
11315 {
11316   char *element_name = getElementInfoText(properties_element);
11317   int font_width = getFontWidth(font_nr);
11318   int font_height = getFontHeight(font_nr);
11319   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
11320   int max_chars_per_line = max_text_width / font_width;
11321
11322   if (strlen(element_name) <= max_chars_per_line)
11323     DrawTextS(x, y, font_nr, element_name);
11324   else
11325   {
11326     char buffer[max_chars_per_line + 1];
11327     int next_pos = max_chars_per_line;
11328
11329     strncpy(buffer, element_name, max_chars_per_line);
11330     buffer[max_chars_per_line] = '\0';
11331
11332     if (element_name[max_chars_per_line] == ' ')
11333       next_pos++;
11334     else
11335     {
11336       int i;
11337
11338       for (i = max_chars_per_line - 1; i >= 0; i--)
11339         if (buffer[i] == ' ')
11340           break;
11341
11342       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
11343       {
11344         buffer[i] = '\0';
11345         next_pos = i + 1;
11346       }
11347     }
11348
11349     DrawTextS(x, y - font_height / 2, font_nr, buffer);
11350
11351     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
11352     buffer[max_chars_per_line] = '\0';
11353
11354     DrawTextS(x, y + font_height / 2, font_nr, buffer);
11355   }
11356 }
11357
11358 static void DrawPropertiesWindow(void)
11359 {
11360   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
11361   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
11362   int border_size = gd->border_size;
11363   int font_nr = FONT_TEXT_1;
11364   int font_height = getFontHeight(font_nr);
11365   int xoffset = TILEX + element_border + 3 * border_size;
11366   int yoffset = (TILEY - font_height) / 2;
11367   int x1 = editor.settings.element_graphic.x + element_border;
11368   int y1 = editor.settings.element_graphic.y + element_border;
11369   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
11370             editor.settings.element_name.x);
11371   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
11372             editor.settings.element_name.y);
11373   char *text = "Element Settings";
11374   int font2_nr = FONT_TITLE_1;
11375   struct MenuPosInfo *pos = &editor.settings.headline;
11376   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
11377   int sy = SY + pos->y;
11378
11379   stick_element_properties_window = FALSE;
11380
11381   // make sure that previous properties edit mode exists for this element
11382   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
11383       !IS_CUSTOM_ELEMENT(properties_element))
11384     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
11385
11386   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
11387       !IS_PLAYER_ELEMENT(properties_element) &&
11388       !IS_CUSTOM_ELEMENT(properties_element))
11389     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
11390
11391   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
11392       (IS_PLAYER_ELEMENT(properties_element) ||
11393        IS_CUSTOM_ELEMENT(properties_element)))
11394     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
11395
11396   CopyElementPropertiesToEditor(properties_element);
11397
11398   UnmapLevelEditorFieldGadgets();
11399   UnmapLevelEditorToolboxDrawingGadgets();
11400   UnmapLevelEditorToolboxCustomGadgets();
11401
11402   MapLevelEditorToolboxCustomGadgetsIfNeeded();
11403
11404   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11405   ClearField();
11406
11407   DrawText(sx, sy, text, font2_nr);
11408
11409   FrameCounter = 0;     // restart animation frame counter
11410
11411   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
11412   DrawEditorElementAnimation(SX + x1, SY + y1);
11413   DrawEditorElementName(x2, y2, font_nr);
11414
11415   DrawPropertiesTabulatorGadgets();
11416
11417   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
11418     DrawPropertiesInfo();
11419   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
11420     DrawPropertiesChange();
11421   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
11422     DrawPropertiesConfig();
11423 }
11424
11425 static void DrawPaletteWindow(void)
11426 {
11427   int i;
11428
11429   UnmapLevelEditorFieldGadgets();
11430
11431   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11432   ClearField();
11433
11434   // map buttons to select elements
11435   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
11436     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
11437   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
11438   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
11439   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
11440 }
11441
11442 static void UpdateCustomElementGraphicGadgets(void)
11443 {
11444   int i;
11445
11446   InitElementPropertiesGfxElement();
11447
11448   ModifyEditorElementList();
11449   RedrawDrawingElements();
11450
11451   // force redraw of all mapped drawing area gadgets
11452   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
11453   {
11454     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
11455
11456     if (gi->mapped)
11457       MapDrawingArea(i);
11458   }
11459 }
11460
11461 static int getOpenDirectionFromTube(int element)
11462 {
11463   switch (element)
11464   {
11465     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
11466     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
11467     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
11468     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
11469     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
11470     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
11471     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
11472     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
11473     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
11474     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
11475     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
11476   }
11477
11478   return MV_NONE;
11479 }
11480
11481 static int getTubeFromOpenDirection(int direction)
11482 {
11483   switch (direction)
11484   {
11485     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
11486     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
11487     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
11488     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
11489     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
11490     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
11491     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
11492     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
11493     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
11494     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
11495     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
11496
11497     // if only one direction, fall back to simple tube with that direction
11498     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
11499     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
11500     case (MV_UP):                       return EL_TUBE_VERTICAL;
11501     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
11502   }
11503
11504   return EL_EMPTY;
11505 }
11506
11507 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
11508 {
11509   int element_new = getTubeFromOpenDirection(direction);
11510
11511   return (element_new != EL_EMPTY ? element_new : element_old);
11512 }
11513
11514 static int getOpenDirectionFromBelt(int element)
11515 {
11516   int belt_dir = getBeltDirFromBeltElement(element);
11517
11518   return (belt_dir == MV_LEFT ? MV_RIGHT :
11519           belt_dir == MV_RIGHT ? MV_LEFT :
11520           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
11521 }
11522
11523 static int getBeltFromNrAndOpenDirection(int nr, int direction)
11524 {
11525   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
11526                   direction == MV_RIGHT ? MV_LEFT :
11527                   direction == MV_HORIZONTAL ? MV_NONE : direction);
11528
11529   if (direction == MV_NONE)
11530     return EL_EMPTY;
11531
11532   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
11533 }
11534
11535 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
11536                                                  int element_old)
11537 {
11538   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
11539
11540   return (element_new != EL_EMPTY ? element_new : element_old);
11541 }
11542
11543 static int getOpenDirectionFromPool(int element)
11544 {
11545   switch (element)
11546   {
11547     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
11548     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
11549     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
11550     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
11551     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
11552     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
11553   }
11554
11555   return MV_NONE;
11556 }
11557
11558 static int getPoolFromOpenDirection(int direction)
11559 {
11560   switch (direction)
11561   {
11562     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
11563     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
11564     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
11565     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
11566     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
11567     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
11568   }
11569
11570   return EL_EMPTY;
11571 }
11572
11573 static int getPoolFromOpenDirectionExt(int direction, int help_element)
11574 {
11575   int element = getPoolFromOpenDirection(direction);
11576   int help_direction = getOpenDirectionFromPool(help_element);
11577
11578   if (element == EL_EMPTY)
11579   {
11580     int help_direction_vertical = help_direction & MV_VERTICAL;
11581
11582     element = getPoolFromOpenDirection(direction | help_direction_vertical);
11583   }
11584
11585   if (element == EL_EMPTY)
11586   {
11587     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
11588
11589     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
11590   }
11591
11592   return element;
11593 }
11594
11595 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
11596 {
11597   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
11598
11599   return (element_new != EL_EMPTY ? element_new : element_old);
11600 }
11601
11602 static int getOpenDirectionFromPillar(int element)
11603 {
11604   switch (element)
11605   {
11606     case EL_EMC_WALL_1:                 return (MV_DOWN);
11607     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
11608     case EL_EMC_WALL_3:                 return (MV_UP);
11609   }
11610
11611   return MV_NONE;
11612 }
11613
11614 static int getPillarFromOpenDirection(int direction)
11615 {
11616   switch (direction)
11617   {
11618     case (MV_DOWN):                     return EL_EMC_WALL_1;
11619     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
11620     case (MV_UP):                       return EL_EMC_WALL_3;
11621   }
11622
11623   return EL_EMPTY;
11624 }
11625
11626 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
11627 {
11628   int element_new = getPillarFromOpenDirection(direction);
11629
11630   return (element_new != EL_EMPTY ? element_new : element_old);
11631 }
11632
11633 static int getOpenDirectionFromSteel2(int element)
11634 {
11635   switch (element)
11636   {
11637     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
11638     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
11639     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
11640     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
11641     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
11642     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
11643     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
11644     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
11645   }
11646
11647   return MV_NONE;
11648 }
11649
11650 static int getSteel2FromOpenDirection(int direction)
11651 {
11652   switch (direction)
11653   {
11654     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
11655     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
11656     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
11657     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
11658     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
11659     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
11660     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
11661     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
11662   }
11663
11664   return EL_EMPTY;
11665 }
11666
11667 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
11668 {
11669   int element_new = getSteel2FromOpenDirection(direction);
11670
11671   return (element_new != EL_EMPTY ? element_new : element_old);
11672 }
11673
11674 static int getOpenDirectionFromChip(int element)
11675 {
11676   switch (element)
11677   {
11678     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
11679     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
11680     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
11681     case EL_SP_CHIP_TOP:                return (MV_DOWN);
11682     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
11683   }
11684
11685   return MV_NONE;
11686 }
11687
11688 static int getChipFromOpenDirection(int direction)
11689 {
11690   switch (direction)
11691   {
11692     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
11693     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
11694     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
11695     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
11696     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
11697   }
11698
11699   return EL_EMPTY;
11700 }
11701
11702 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
11703 {
11704   int element_new = getChipFromOpenDirection(direction);
11705
11706   return (element_new != EL_EMPTY ? element_new : element_old);
11707 }
11708
11709 static int getClosedTube(int x, int y)
11710 {
11711   struct XY *xy = xy_directions;
11712   int element_old = IntelliDrawBuffer[x][y];
11713   int direction_old = getOpenDirectionFromTube(element_old);
11714   int direction_new = MV_NONE;
11715   int i;
11716
11717   for (i = 0; i < NUM_DIRECTIONS; i++)
11718   {
11719     int xx = x + xy[i].x;
11720     int yy = y + xy[i].y;
11721     int dir = MV_DIR_FROM_BIT(i);
11722     int dir_opposite = MV_DIR_OPPOSITE(dir);
11723
11724     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
11725         (direction_old & dir) &&
11726         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11727       direction_new |= dir;
11728   }
11729
11730   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
11731 }
11732
11733 static int getClosedBelt(int x, int y)
11734 {
11735   struct XY *xy = xy_directions;
11736   int element_old = IntelliDrawBuffer[x][y];
11737   int nr = getBeltNrFromBeltElement(element_old);
11738   int direction_old = getOpenDirectionFromBelt(element_old);
11739   int direction_new = MV_NONE;
11740   int i;
11741
11742   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11743   {
11744     int xx = x + xy[i].x;
11745     int yy = y + xy[i].y;
11746     int dir = MV_DIR_FROM_BIT(i);
11747     int dir_opposite = MV_DIR_OPPOSITE(dir);
11748
11749     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
11750         (direction_old & dir) &&
11751         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11752       direction_new |= dir;
11753   }
11754
11755   return getBeltFromNrAndOpenDirection(nr, direction_new);
11756 }
11757
11758 static int getClosedPool(int x, int y)
11759 {
11760   struct XY *xy = xy_directions;
11761   int element_old = IntelliDrawBuffer[x][y];
11762   int direction_old = getOpenDirectionFromPool(element_old);
11763   int direction_new = MV_NONE;
11764   int i;
11765
11766   for (i = 0; i < NUM_DIRECTIONS; i++)
11767   {
11768     int xx = x + xy[i].x;
11769     int yy = y + xy[i].y;
11770     int dir = MV_DIR_FROM_BIT(i);
11771     int dir_opposite = MV_DIR_OPPOSITE(dir);
11772
11773     if (IN_LEV_FIELD(xx, yy) &&
11774         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
11775         (direction_old & dir) &&
11776         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11777       direction_new |= dir;
11778   }
11779
11780   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
11781 }
11782
11783 static int getClosedPillar(int x, int y)
11784 {
11785   struct XY *xy = xy_directions;
11786   int element_old = IntelliDrawBuffer[x][y];
11787   int direction_old = getOpenDirectionFromPillar(element_old);
11788   int direction_new = MV_NONE;
11789   int i;
11790
11791   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11792   {
11793     int xx = x + xy[i].x;
11794     int yy = y + xy[i].y;
11795     int dir = MV_DIR_FROM_BIT(i);
11796     int dir_opposite = MV_DIR_OPPOSITE(dir);
11797
11798     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
11799         (direction_old & dir) &&
11800         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11801       direction_new |= dir;
11802   }
11803
11804   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
11805 }
11806
11807 static int getClosedSteel2(int x, int y)
11808 {
11809   struct XY *xy = xy_directions;
11810   int element_old = IntelliDrawBuffer[x][y];
11811   int direction_old = getOpenDirectionFromSteel2(element_old);
11812   int direction_new = MV_NONE;
11813   int i;
11814
11815   for (i = 0; i < NUM_DIRECTIONS; i++)
11816   {
11817     int xx = x + xy[i].x;
11818     int yy = y + xy[i].y;
11819     int dir = MV_DIR_FROM_BIT(i);
11820     int dir_opposite = MV_DIR_OPPOSITE(dir);
11821
11822     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
11823         (direction_old & dir) &&
11824         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11825       direction_new |= dir;
11826   }
11827
11828   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
11829 }
11830
11831 static int getClosedChip(int x, int y)
11832 {
11833   struct XY *xy = xy_directions;
11834   int element_old = IntelliDrawBuffer[x][y];
11835   int direction_old = getOpenDirectionFromChip(element_old);
11836   int direction_new = MV_NONE;
11837   int i;
11838
11839   for (i = 0; i < NUM_DIRECTIONS; i++)
11840   {
11841     int xx = x + xy[i].x;
11842     int yy = y + xy[i].y;
11843     int dir = MV_DIR_FROM_BIT(i);
11844     int dir_opposite = MV_DIR_OPPOSITE(dir);
11845
11846     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
11847         (direction_old & dir) &&
11848         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11849       direction_new |= dir;
11850   }
11851
11852   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
11853 }
11854
11855 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
11856                                 boolean change_level)
11857 {
11858   int sx = x - level_xpos;
11859   int sy = y - level_ypos;
11860   int old_element = Tile[x][y];
11861   int new_element = element;
11862   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
11863   boolean draw_masked = FALSE;
11864
11865   if (IS_MM_WALL_EDITOR(element))
11866   {
11867     element = map_mm_wall_element_editor(element) | new_bitmask;
11868
11869     if (IS_MM_WALL(old_element))
11870       element |= MM_WALL_BITS(old_element);
11871
11872     if (!change_level)
11873       draw_masked = TRUE;
11874   }
11875   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
11876   {
11877     int element_changed = old_element & ~new_bitmask;
11878
11879     if (MM_WALL_BITS(element_changed) != 0)
11880       element = element_changed;
11881   }
11882
11883   IntelliDrawBuffer[x][y] = element;
11884
11885   if (change_level)
11886     Tile[x][y] = element;
11887
11888   if (IN_ED_FIELD(sx, sy))
11889   {
11890     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
11891       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
11892     else if (draw_masked)
11893       DrawEditorElementThruMask(sx, sy, element);
11894     else
11895       DrawEditorElement(sx, sy, element);
11896   }
11897 }
11898
11899 static void SetElementSimple(int x, int y, int element, boolean change_level)
11900 {
11901   SetElementSimpleExt(x, y, 0, 0, element, change_level);
11902 }
11903
11904 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
11905                                            int x2, int y2, int *element2,
11906                                            int (*close_function)(int, int),
11907                                            boolean change_level)
11908 {
11909   // set neighbour elements to newly determined connections
11910   SetElementSimple(x1, y1, *element1, change_level);
11911   SetElementSimple(x2, y2, *element2, change_level);
11912
11913   // remove all open connections of neighbour elements
11914   *element1 = close_function(x1, y1);
11915   *element2 = close_function(x2, y2);
11916
11917   // set neighbour elements to new, minimized connections
11918   SetElementSimple(x1, y1, *element1, change_level);
11919   SetElementSimple(x2, y2, *element2, change_level);
11920 }
11921
11922 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
11923                                   boolean change_level, int button)
11924 {
11925   struct XY *xy = xy_directions;
11926   static int last_x = -1;
11927   static int last_y = -1;
11928
11929   if (new_element == EL_UNDEFINED)
11930   {
11931     last_x = -1;
11932     last_y = -1;
11933
11934     return;
11935   }
11936
11937   int old_element = IntelliDrawBuffer[x][y];
11938
11939   if (IS_TUBE(new_element))
11940   {
11941     int last_element_new = EL_UNDEFINED;
11942     int direction = MV_NONE;
11943     int i;
11944
11945     // if old element is of same kind, keep all existing directions
11946     if (IS_TUBE(old_element))
11947       direction |= getOpenDirectionFromTube(old_element);
11948
11949     for (i = 0; i < NUM_DIRECTIONS; i++)
11950     {
11951       int xx = x + xy[i].x;
11952       int yy = y + xy[i].y;
11953
11954       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11955           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
11956       {
11957         int dir = MV_DIR_FROM_BIT(i);
11958         int dir_opposite = MV_DIR_OPPOSITE(dir);
11959         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11960         int last_direction_old = getOpenDirectionFromTube(last_element_old);
11961         int last_direction_new = last_direction_old | dir_opposite;
11962
11963         last_element_new = getTubeFromOpenDirection(last_direction_new);
11964
11965         direction |= dir;
11966       }
11967     }
11968
11969     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
11970
11971     if (last_element_new != EL_UNDEFINED)
11972       MergeAndCloseNeighbourElements(x, y, &new_element,
11973                                      last_x, last_y, &last_element_new,
11974                                      getClosedTube, change_level);
11975   }
11976   else if (IS_BELT(new_element))
11977   {
11978     int belt_nr = getBeltNrFromBeltElement(new_element);
11979     int last_element_new = EL_UNDEFINED;
11980     int direction = MV_NONE;
11981     int i;
11982
11983     // if old element is of same kind, keep all existing directions
11984     if (IS_BELT(old_element))
11985       direction |= getOpenDirectionFromBelt(old_element);
11986
11987     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11988     {
11989       int xx = x + xy[i].x;
11990       int yy = y + xy[i].y;
11991
11992       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11993           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
11994       {
11995         int dir = MV_DIR_FROM_BIT(i);
11996         int dir_opposite = MV_DIR_OPPOSITE(dir);
11997         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11998         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
11999         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
12000         int last_direction_new = last_direction_old | dir_opposite;
12001
12002         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
12003                                                          last_direction_new);
12004         direction |= dir;
12005       }
12006     }
12007
12008     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
12009                                                         new_element);
12010     if (last_element_new != EL_UNDEFINED)
12011       MergeAndCloseNeighbourElements(x, y, &new_element,
12012                                      last_x, last_y, &last_element_new,
12013                                      getClosedBelt, change_level);
12014   }
12015   else if (IS_ACID_POOL_OR_ACID(new_element))
12016   {
12017     int last_element_new = EL_UNDEFINED;
12018     int direction = MV_NONE;
12019     int i;
12020
12021     // if old element is of same kind, keep all existing directions
12022     if (IS_ACID_POOL_OR_ACID(old_element))
12023       direction |= getOpenDirectionFromPool(old_element);
12024
12025     for (i = 0; i < NUM_DIRECTIONS; i++)
12026     {
12027       int xx = x + xy[i].x;
12028       int yy = y + xy[i].y;
12029
12030       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12031           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
12032       {
12033         int dir = MV_DIR_FROM_BIT(i);
12034         int dir_opposite = MV_DIR_OPPOSITE(dir);
12035         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12036         int last_direction_old = getOpenDirectionFromPool(last_element_old);
12037         int last_direction_new = last_direction_old | dir_opposite;
12038
12039         last_element_new = getPoolFromOpenDirection(last_direction_new);
12040
12041         direction |= dir;
12042       }
12043     }
12044
12045     // special corrections needed for intuitively correct acid pool drawing
12046     if (last_element_new == EL_EMPTY)
12047       last_element_new = new_element;
12048     else if (last_element_new != EL_UNDEFINED)
12049       new_element = last_element_new;
12050
12051     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
12052
12053     if (last_element_new != EL_UNDEFINED)
12054       MergeAndCloseNeighbourElements(x, y, &new_element,
12055                                      last_x, last_y, &last_element_new,
12056                                      getClosedPool, change_level);
12057   }
12058   else if (IS_EMC_PILLAR(new_element))
12059   {
12060     int last_element_new = EL_UNDEFINED;
12061     int direction = MV_NONE;
12062     int i;
12063
12064     // if old element is of same kind, keep all existing directions
12065     if (IS_EMC_PILLAR(old_element))
12066       direction |= getOpenDirectionFromPillar(old_element);
12067
12068     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12069     {
12070       int xx = x + xy[i].x;
12071       int yy = y + xy[i].y;
12072
12073       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12074           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
12075       {
12076         int dir = MV_DIR_FROM_BIT(i);
12077         int dir_opposite = MV_DIR_OPPOSITE(dir);
12078         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12079         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
12080         int last_direction_new = last_direction_old | dir_opposite;
12081
12082         last_element_new = getPillarFromOpenDirection(last_direction_new);
12083
12084         direction |= dir;
12085       }
12086     }
12087
12088     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
12089
12090     if (last_element_new != EL_UNDEFINED)
12091       MergeAndCloseNeighbourElements(x, y, &new_element,
12092                                      last_x, last_y, &last_element_new,
12093                                      getClosedPillar, change_level);
12094   }
12095   else if (IS_DC_STEELWALL_2(new_element))
12096   {
12097     int last_element_new = EL_UNDEFINED;
12098     int direction = MV_NONE;
12099     int i;
12100
12101     // if old element is of same kind, keep all existing directions
12102     if (IS_DC_STEELWALL_2(old_element))
12103       direction |= getOpenDirectionFromSteel2(old_element);
12104
12105     for (i = 0; i < NUM_DIRECTIONS; i++)
12106     {
12107       int xx = x + xy[i].x;
12108       int yy = y + xy[i].y;
12109
12110       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12111           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
12112       {
12113         int dir = MV_DIR_FROM_BIT(i);
12114         int dir_opposite = MV_DIR_OPPOSITE(dir);
12115         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12116         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
12117         int last_direction_new = last_direction_old | dir_opposite;
12118
12119         last_element_new = getSteel2FromOpenDirection(last_direction_new);
12120
12121         direction |= dir;
12122       }
12123     }
12124
12125     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
12126
12127     if (last_element_new != EL_UNDEFINED)
12128       MergeAndCloseNeighbourElements(x, y, &new_element,
12129                                      last_x, last_y, &last_element_new,
12130                                      getClosedSteel2, change_level);
12131   }
12132   else if (IS_SP_CHIP(new_element))
12133   {
12134     int last_element_new = EL_UNDEFINED;
12135     int direction = MV_NONE;
12136     int i;
12137
12138     // (do not keep existing directions, regardless of kind of old element)
12139
12140     for (i = 0; i < NUM_DIRECTIONS; i++)
12141     {
12142       int xx = x + xy[i].x;
12143       int yy = y + xy[i].y;
12144
12145       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12146           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
12147       {
12148         int dir = MV_DIR_FROM_BIT(i);
12149         int dir_opposite = MV_DIR_OPPOSITE(dir);
12150         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12151         int last_direction_old = getOpenDirectionFromChip(last_element_old);
12152         int last_direction_new = last_direction_old | dir_opposite;
12153
12154         if (last_direction_old == MV_NONE)
12155         {
12156           last_element_new = getChipFromOpenDirection(last_direction_new);
12157           direction |= dir;
12158         }
12159         else if (last_direction_old & (dir | dir_opposite))
12160         {
12161           direction |= MV_DIR_OPPOSITE(last_direction_old);
12162         }
12163         else
12164         {
12165           direction |= MV_DIR_OPPOSITE(dir);
12166         }
12167       }
12168     }
12169
12170     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
12171
12172     if (last_element_new != EL_UNDEFINED)
12173       MergeAndCloseNeighbourElements(x, y, &new_element,
12174                                      last_x, last_y, &last_element_new,
12175                                      getClosedChip, change_level);
12176   }
12177   else if (IS_SP_HARDWARE_BASE(new_element))
12178   {
12179     int nr = GetSimpleRandom(6);
12180
12181     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
12182                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
12183                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
12184                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
12185                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
12186   }
12187   else if (new_element == EL_SP_HARDWARE_GREEN ||
12188            new_element == EL_SP_HARDWARE_BLUE ||
12189            new_element == EL_SP_HARDWARE_RED)
12190   {
12191     int nr = GetSimpleRandom(3);
12192
12193     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
12194                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
12195   }
12196   else if (IS_GROUP_ELEMENT(new_element))
12197   {
12198     boolean connected_drawing = FALSE;
12199     int i;
12200
12201     for (i = 0; i < NUM_DIRECTIONS; i++)
12202     {
12203       int xx = x + xy[i].x;
12204       int yy = y + xy[i].y;
12205
12206       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12207           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
12208         connected_drawing = TRUE;
12209     }
12210
12211     if (!connected_drawing)
12212       ResolveGroupElement(new_element);
12213
12214     new_element = GetElementFromGroupElement(new_element);
12215   }
12216   else if (IS_BELT_SWITCH(old_element))
12217   {
12218     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
12219     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
12220
12221     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
12222                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
12223
12224     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
12225   }
12226   else
12227   {
12228     static int swappable_elements[][2] =
12229     {
12230       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
12231       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
12232       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
12233       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
12234       { EL_EMERALD,                     EL_WALL_EMERALD                 },
12235       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
12236       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
12237       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
12238       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
12239       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
12240       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
12241       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
12242       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
12243       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
12244       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
12245       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
12246       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
12247       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
12248       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
12249       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
12250       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
12251       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
12252       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
12253       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
12254       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
12255       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
12256       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
12257       { EL_PEARL,                       EL_WALL_PEARL                   },
12258       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
12259       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
12260       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
12261       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
12262       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
12263       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
12264       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
12265       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
12266       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
12267       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
12268       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
12269       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
12270       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
12271       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
12272       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
12273       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
12274
12275       { -1,                             -1                              },
12276     };
12277     static int rotatable_elements_4[][4] =
12278     {
12279       {
12280         EL_BUG_UP,
12281         EL_BUG_RIGHT,
12282         EL_BUG_DOWN,
12283         EL_BUG_LEFT
12284       },
12285       {
12286         EL_SPACESHIP_UP,
12287         EL_SPACESHIP_RIGHT,
12288         EL_SPACESHIP_DOWN,
12289         EL_SPACESHIP_LEFT
12290       },
12291       {
12292         EL_BD_BUTTERFLY_UP,
12293         EL_BD_BUTTERFLY_RIGHT,
12294         EL_BD_BUTTERFLY_DOWN,
12295         EL_BD_BUTTERFLY_LEFT
12296       },
12297       {
12298         EL_BD_FIREFLY_UP,
12299         EL_BD_FIREFLY_RIGHT,
12300         EL_BD_FIREFLY_DOWN,
12301         EL_BD_FIREFLY_LEFT
12302       },
12303       {
12304         EL_PACMAN_UP,
12305         EL_PACMAN_RIGHT,
12306         EL_PACMAN_DOWN,
12307         EL_PACMAN_LEFT
12308       },
12309       {
12310         EL_YAMYAM_UP,
12311         EL_YAMYAM_RIGHT,
12312         EL_YAMYAM_DOWN,
12313         EL_YAMYAM_LEFT
12314       },
12315       {
12316         EL_ARROW_UP,
12317         EL_ARROW_RIGHT,
12318         EL_ARROW_DOWN,
12319         EL_ARROW_LEFT
12320       },
12321       {
12322         EL_SP_PORT_UP,
12323         EL_SP_PORT_RIGHT,
12324         EL_SP_PORT_DOWN,
12325         EL_SP_PORT_LEFT
12326       },
12327       {
12328         EL_SP_GRAVITY_PORT_UP,
12329         EL_SP_GRAVITY_PORT_RIGHT,
12330         EL_SP_GRAVITY_PORT_DOWN,
12331         EL_SP_GRAVITY_PORT_LEFT
12332       },
12333       {
12334         EL_SP_GRAVITY_ON_PORT_UP,
12335         EL_SP_GRAVITY_ON_PORT_RIGHT,
12336         EL_SP_GRAVITY_ON_PORT_DOWN,
12337         EL_SP_GRAVITY_ON_PORT_LEFT
12338       },
12339       {
12340         EL_SP_GRAVITY_OFF_PORT_UP,
12341         EL_SP_GRAVITY_OFF_PORT_RIGHT,
12342         EL_SP_GRAVITY_OFF_PORT_DOWN,
12343         EL_SP_GRAVITY_OFF_PORT_LEFT
12344       },
12345       {
12346         EL_MOLE_UP,
12347         EL_MOLE_RIGHT,
12348         EL_MOLE_DOWN,
12349         EL_MOLE_LEFT
12350       },
12351       {
12352         EL_BALLOON_SWITCH_UP,
12353         EL_BALLOON_SWITCH_RIGHT,
12354         EL_BALLOON_SWITCH_DOWN,
12355         EL_BALLOON_SWITCH_LEFT
12356       },
12357       {
12358         EL_MM_MCDUFFIN_UP,
12359         EL_MM_MCDUFFIN_RIGHT,
12360         EL_MM_MCDUFFIN_DOWN,
12361         EL_MM_MCDUFFIN_LEFT
12362       },
12363       {
12364         EL_MM_MIRROR_FIXED_1,
12365         EL_MM_MIRROR_FIXED_4,
12366         EL_MM_MIRROR_FIXED_3,
12367         EL_MM_MIRROR_FIXED_2
12368       },
12369       {
12370         EL_MM_STEEL_GRID_FIXED_1,
12371         EL_MM_STEEL_GRID_FIXED_4,
12372         EL_MM_STEEL_GRID_FIXED_2,
12373         EL_MM_STEEL_GRID_FIXED_3
12374       },
12375       {
12376         EL_MM_WOODEN_GRID_FIXED_1,
12377         EL_MM_WOODEN_GRID_FIXED_4,
12378         EL_MM_WOODEN_GRID_FIXED_2,
12379         EL_MM_WOODEN_GRID_FIXED_3
12380       },
12381       {
12382         EL_MM_POLARIZER_CROSS_1,
12383         EL_MM_POLARIZER_CROSS_4,
12384         EL_MM_POLARIZER_CROSS_3,
12385         EL_MM_POLARIZER_CROSS_2
12386       },
12387       {
12388         EL_MM_PACMAN_UP,
12389         EL_MM_PACMAN_RIGHT,
12390         EL_MM_PACMAN_DOWN,
12391         EL_MM_PACMAN_LEFT
12392       },
12393       {
12394         EL_DF_LASER_UP,
12395         EL_DF_LASER_RIGHT,
12396         EL_DF_LASER_DOWN,
12397         EL_DF_LASER_LEFT
12398       },
12399       {
12400         EL_DF_RECEIVER_UP,
12401         EL_DF_RECEIVER_RIGHT,
12402         EL_DF_RECEIVER_DOWN,
12403         EL_DF_RECEIVER_LEFT
12404       },
12405       {
12406         EL_DF_SLOPE_1,
12407         EL_DF_SLOPE_4,
12408         EL_DF_SLOPE_3,
12409         EL_DF_SLOPE_2
12410       },
12411
12412       {
12413         -1,
12414       },
12415     };
12416     static int rotatable_elements_8[][8] =
12417     {
12418       {
12419         EL_DF_STEEL_GRID_FIXED_1,
12420         EL_DF_STEEL_GRID_FIXED_8,
12421         EL_DF_STEEL_GRID_FIXED_7,
12422         EL_DF_STEEL_GRID_FIXED_6,
12423         EL_DF_STEEL_GRID_FIXED_5,
12424         EL_DF_STEEL_GRID_FIXED_4,
12425         EL_DF_STEEL_GRID_FIXED_3,
12426         EL_DF_STEEL_GRID_FIXED_2
12427       },
12428       {
12429         EL_DF_WOODEN_GRID_FIXED_1,
12430         EL_DF_WOODEN_GRID_FIXED_8,
12431         EL_DF_WOODEN_GRID_FIXED_7,
12432         EL_DF_WOODEN_GRID_FIXED_6,
12433         EL_DF_WOODEN_GRID_FIXED_5,
12434         EL_DF_WOODEN_GRID_FIXED_4,
12435         EL_DF_WOODEN_GRID_FIXED_3,
12436         EL_DF_WOODEN_GRID_FIXED_2
12437       },
12438       {
12439         EL_DF_STEEL_GRID_ROTATING_1,
12440         EL_DF_STEEL_GRID_ROTATING_8,
12441         EL_DF_STEEL_GRID_ROTATING_7,
12442         EL_DF_STEEL_GRID_ROTATING_6,
12443         EL_DF_STEEL_GRID_ROTATING_5,
12444         EL_DF_STEEL_GRID_ROTATING_4,
12445         EL_DF_STEEL_GRID_ROTATING_3,
12446         EL_DF_STEEL_GRID_ROTATING_2
12447       },
12448       {
12449         EL_DF_WOODEN_GRID_ROTATING_1,
12450         EL_DF_WOODEN_GRID_ROTATING_8,
12451         EL_DF_WOODEN_GRID_ROTATING_7,
12452         EL_DF_WOODEN_GRID_ROTATING_6,
12453         EL_DF_WOODEN_GRID_ROTATING_5,
12454         EL_DF_WOODEN_GRID_ROTATING_4,
12455         EL_DF_WOODEN_GRID_ROTATING_3,
12456         EL_DF_WOODEN_GRID_ROTATING_2
12457       },
12458
12459       {
12460         -1,
12461       },
12462     };
12463     static int rotatable_elements_16[][16] =
12464     {
12465       {
12466         EL_MM_MIRROR_1,
12467         EL_MM_MIRROR_16,
12468         EL_MM_MIRROR_15,
12469         EL_MM_MIRROR_14,
12470         EL_MM_MIRROR_13,
12471         EL_MM_MIRROR_12,
12472         EL_MM_MIRROR_11,
12473         EL_MM_MIRROR_10,
12474         EL_MM_MIRROR_9,
12475         EL_MM_MIRROR_8,
12476         EL_MM_MIRROR_7,
12477         EL_MM_MIRROR_6,
12478         EL_MM_MIRROR_5,
12479         EL_MM_MIRROR_4,
12480         EL_MM_MIRROR_3,
12481         EL_MM_MIRROR_2
12482       },
12483       {
12484         EL_MM_TELEPORTER_5,
12485         EL_MM_TELEPORTER_4,
12486         EL_MM_TELEPORTER_3,
12487         EL_MM_TELEPORTER_2,
12488         EL_MM_TELEPORTER_1,
12489         EL_MM_TELEPORTER_16,
12490         EL_MM_TELEPORTER_15,
12491         EL_MM_TELEPORTER_14,
12492         EL_MM_TELEPORTER_13,
12493         EL_MM_TELEPORTER_12,
12494         EL_MM_TELEPORTER_11,
12495         EL_MM_TELEPORTER_10,
12496         EL_MM_TELEPORTER_9,
12497         EL_MM_TELEPORTER_8,
12498         EL_MM_TELEPORTER_7,
12499         EL_MM_TELEPORTER_6
12500       },
12501       {
12502         EL_MM_TELEPORTER_RED_5,
12503         EL_MM_TELEPORTER_RED_4,
12504         EL_MM_TELEPORTER_RED_3,
12505         EL_MM_TELEPORTER_RED_2,
12506         EL_MM_TELEPORTER_RED_1,
12507         EL_MM_TELEPORTER_RED_16,
12508         EL_MM_TELEPORTER_RED_15,
12509         EL_MM_TELEPORTER_RED_14,
12510         EL_MM_TELEPORTER_RED_13,
12511         EL_MM_TELEPORTER_RED_12,
12512         EL_MM_TELEPORTER_RED_11,
12513         EL_MM_TELEPORTER_RED_10,
12514         EL_MM_TELEPORTER_RED_9,
12515         EL_MM_TELEPORTER_RED_8,
12516         EL_MM_TELEPORTER_RED_7,
12517         EL_MM_TELEPORTER_RED_6
12518       },
12519       {
12520         EL_MM_TELEPORTER_YELLOW_5,
12521         EL_MM_TELEPORTER_YELLOW_4,
12522         EL_MM_TELEPORTER_YELLOW_3,
12523         EL_MM_TELEPORTER_YELLOW_2,
12524         EL_MM_TELEPORTER_YELLOW_1,
12525         EL_MM_TELEPORTER_YELLOW_16,
12526         EL_MM_TELEPORTER_YELLOW_15,
12527         EL_MM_TELEPORTER_YELLOW_14,
12528         EL_MM_TELEPORTER_YELLOW_13,
12529         EL_MM_TELEPORTER_YELLOW_12,
12530         EL_MM_TELEPORTER_YELLOW_11,
12531         EL_MM_TELEPORTER_YELLOW_10,
12532         EL_MM_TELEPORTER_YELLOW_9,
12533         EL_MM_TELEPORTER_YELLOW_8,
12534         EL_MM_TELEPORTER_YELLOW_7,
12535         EL_MM_TELEPORTER_YELLOW_6
12536       },
12537       {
12538         EL_MM_TELEPORTER_GREEN_5,
12539         EL_MM_TELEPORTER_GREEN_4,
12540         EL_MM_TELEPORTER_GREEN_3,
12541         EL_MM_TELEPORTER_GREEN_2,
12542         EL_MM_TELEPORTER_GREEN_1,
12543         EL_MM_TELEPORTER_GREEN_16,
12544         EL_MM_TELEPORTER_GREEN_15,
12545         EL_MM_TELEPORTER_GREEN_14,
12546         EL_MM_TELEPORTER_GREEN_13,
12547         EL_MM_TELEPORTER_GREEN_12,
12548         EL_MM_TELEPORTER_GREEN_11,
12549         EL_MM_TELEPORTER_GREEN_10,
12550         EL_MM_TELEPORTER_GREEN_9,
12551         EL_MM_TELEPORTER_GREEN_8,
12552         EL_MM_TELEPORTER_GREEN_7,
12553         EL_MM_TELEPORTER_GREEN_6
12554       },
12555       {
12556         EL_MM_TELEPORTER_BLUE_5,
12557         EL_MM_TELEPORTER_BLUE_4,
12558         EL_MM_TELEPORTER_BLUE_3,
12559         EL_MM_TELEPORTER_BLUE_2,
12560         EL_MM_TELEPORTER_BLUE_1,
12561         EL_MM_TELEPORTER_BLUE_16,
12562         EL_MM_TELEPORTER_BLUE_15,
12563         EL_MM_TELEPORTER_BLUE_14,
12564         EL_MM_TELEPORTER_BLUE_13,
12565         EL_MM_TELEPORTER_BLUE_12,
12566         EL_MM_TELEPORTER_BLUE_11,
12567         EL_MM_TELEPORTER_BLUE_10,
12568         EL_MM_TELEPORTER_BLUE_9,
12569         EL_MM_TELEPORTER_BLUE_8,
12570         EL_MM_TELEPORTER_BLUE_7,
12571         EL_MM_TELEPORTER_BLUE_6
12572       },
12573       {
12574         EL_MM_POLARIZER_1,
12575         EL_MM_POLARIZER_16,
12576         EL_MM_POLARIZER_15,
12577         EL_MM_POLARIZER_14,
12578         EL_MM_POLARIZER_13,
12579         EL_MM_POLARIZER_12,
12580         EL_MM_POLARIZER_11,
12581         EL_MM_POLARIZER_10,
12582         EL_MM_POLARIZER_9,
12583         EL_MM_POLARIZER_8,
12584         EL_MM_POLARIZER_7,
12585         EL_MM_POLARIZER_6,
12586         EL_MM_POLARIZER_5,
12587         EL_MM_POLARIZER_4,
12588         EL_MM_POLARIZER_3,
12589         EL_MM_POLARIZER_2
12590       },
12591       {
12592         EL_DF_MIRROR_1,
12593         EL_DF_MIRROR_16,
12594         EL_DF_MIRROR_15,
12595         EL_DF_MIRROR_14,
12596         EL_DF_MIRROR_13,
12597         EL_DF_MIRROR_12,
12598         EL_DF_MIRROR_11,
12599         EL_DF_MIRROR_10,
12600         EL_DF_MIRROR_9,
12601         EL_DF_MIRROR_8,
12602         EL_DF_MIRROR_7,
12603         EL_DF_MIRROR_6,
12604         EL_DF_MIRROR_5,
12605         EL_DF_MIRROR_4,
12606         EL_DF_MIRROR_3,
12607         EL_DF_MIRROR_2
12608       },
12609       {
12610         EL_DF_MIRROR_ROTATING_1,
12611         EL_DF_MIRROR_ROTATING_16,
12612         EL_DF_MIRROR_ROTATING_15,
12613         EL_DF_MIRROR_ROTATING_14,
12614         EL_DF_MIRROR_ROTATING_13,
12615         EL_DF_MIRROR_ROTATING_12,
12616         EL_DF_MIRROR_ROTATING_11,
12617         EL_DF_MIRROR_ROTATING_10,
12618         EL_DF_MIRROR_ROTATING_9,
12619         EL_DF_MIRROR_ROTATING_8,
12620         EL_DF_MIRROR_ROTATING_7,
12621         EL_DF_MIRROR_ROTATING_6,
12622         EL_DF_MIRROR_ROTATING_5,
12623         EL_DF_MIRROR_ROTATING_4,
12624         EL_DF_MIRROR_ROTATING_3,
12625         EL_DF_MIRROR_ROTATING_2
12626       },
12627       {
12628         EL_DF_MIRROR_FIXED_1,
12629         EL_DF_MIRROR_FIXED_16,
12630         EL_DF_MIRROR_FIXED_15,
12631         EL_DF_MIRROR_FIXED_14,
12632         EL_DF_MIRROR_FIXED_13,
12633         EL_DF_MIRROR_FIXED_12,
12634         EL_DF_MIRROR_FIXED_11,
12635         EL_DF_MIRROR_FIXED_10,
12636         EL_DF_MIRROR_FIXED_9,
12637         EL_DF_MIRROR_FIXED_8,
12638         EL_DF_MIRROR_FIXED_7,
12639         EL_DF_MIRROR_FIXED_6,
12640         EL_DF_MIRROR_FIXED_5,
12641         EL_DF_MIRROR_FIXED_4,
12642         EL_DF_MIRROR_FIXED_3,
12643         EL_DF_MIRROR_FIXED_2
12644       },
12645
12646       {
12647         -1,
12648       },
12649     };
12650     int i, j;
12651
12652     for (i = 0; swappable_elements[i][0] != -1; i++)
12653     {
12654       int element1 = swappable_elements[i][0];
12655       int element2 = swappable_elements[i][1];
12656
12657       if (old_element == element1 || old_element == element2)
12658         new_element = (old_element == element1 ? element2 : element1);
12659     }
12660
12661     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
12662     {
12663       for (j = 0; j < 4; j++)
12664       {
12665         int element = rotatable_elements_4[i][j];
12666
12667         if (old_element == element)
12668           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
12669                          button == 2 ? rotatable_elements_4[i][0]           :
12670                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
12671                          old_element);
12672       }
12673     }
12674
12675     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
12676     {
12677       for (j = 0; j < 8; j++)
12678       {
12679         int element = rotatable_elements_8[i][j];
12680
12681         if (old_element == element)
12682           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
12683                          button == 2 ? rotatable_elements_8[i][0]           :
12684                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
12685                          old_element);
12686       }
12687     }
12688
12689     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
12690     {
12691       for (j = 0; j < 16; j++)
12692       {
12693         int element = rotatable_elements_16[i][j];
12694
12695         if (old_element == element)
12696           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
12697                          button == 2 ? rotatable_elements_16[i][0]             :
12698                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
12699                          old_element);
12700       }
12701     }
12702
12703     if (old_element != new_element)
12704     {
12705       int max_infotext_len = getMaxInfoTextLength();
12706       char infotext[MAX_OUTPUT_LINESIZE + 1];
12707
12708       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
12709       infotext[max_infotext_len] = '\0';
12710
12711       ClearEditorGadgetInfoText();
12712
12713       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
12714                 infotext);
12715     }
12716   }
12717
12718   if (IS_MM_WALL_EDITOR(new_element))
12719     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
12720   else
12721     SetElementSimple(x, y, new_element, change_level);
12722
12723   last_x = x;
12724   last_y = y;
12725 }
12726
12727 static void ResetIntelliDraw(void)
12728 {
12729   int x, y;
12730
12731   for (x = 0; x < lev_fieldx; x++)
12732     for (y = 0; y < lev_fieldy; y++)
12733       IntelliDrawBuffer[x][y] = Tile[x][y];
12734
12735   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
12736 }
12737
12738 static boolean draw_mode_hires = FALSE;
12739
12740 static boolean isHiresTileElement(int element)
12741 {
12742   return (IS_MM_WALL(element)        || element == EL_EMPTY);
12743 }
12744
12745 static boolean isHiresDrawElement(int element)
12746 {
12747   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
12748 }
12749
12750 static int numHiresTiles(int element)
12751 {
12752   if (IS_MM_WALL(element))
12753     return get_number_of_bits(MM_WALL_BITS(element));
12754
12755   return 1;
12756 }
12757
12758 static void SetDrawModeHiRes(int element)
12759 {
12760   draw_mode_hires =
12761     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
12762      isHiresDrawElement(element));
12763 }
12764
12765 static boolean getDrawModeHiRes(void)
12766 {
12767   return draw_mode_hires;
12768 }
12769
12770 static int getLoResScreenPos(int pos)
12771 {
12772   return (getDrawModeHiRes() ? pos / 2 : pos);
12773 }
12774
12775 static int getLoResScreenMod(int pos)
12776 {
12777   return (getDrawModeHiRes() ? pos % 2 : 0);
12778 }
12779
12780 static void SetElementExt(int x, int y, int dx, int dy, int element,
12781                           boolean change_level, int button)
12782 {
12783   if (element < 0)
12784     SetElementSimple(x, y, Tile[x][y], change_level);
12785   else if (GetKeyModState() & KMOD_Shift)
12786     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
12787   else
12788     SetElementSimpleExt(x, y, dx, dy, element, change_level);
12789 }
12790
12791 static void SetElement(int x, int y, int element)
12792 {
12793   SetElementExt(x, y, 0, 0, element, TRUE, -1);
12794 }
12795
12796 static void SetElementButton(int x, int y, int dx, int dy, int element,
12797                              int button)
12798 {
12799   SetElementExt(x, y, dx, dy, element, TRUE, button);
12800 }
12801
12802 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
12803 {
12804   int lx = getLoResScreenPos(sx2) + level_xpos;
12805   int ly = getLoResScreenPos(sy2) + level_ypos;
12806   int dx = getLoResScreenMod(sx2);
12807   int dy = getLoResScreenMod(sy2);
12808
12809   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
12810 }
12811
12812 static void SetLevelElementHiRes(int lx2, int ly2, int element)
12813 {
12814   int lx = lx2 / 2;
12815   int ly = ly2 / 2;
12816   int dx = lx2 % 2;
12817   int dy = ly2 % 2;
12818
12819   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
12820 }
12821
12822 static int getLevelElementHiRes(int lx2, int ly2)
12823 {
12824   int lx = lx2 / 2;
12825   int ly = ly2 / 2;
12826   int dx = lx2 % 2;
12827   int dy = ly2 % 2;
12828   int element = Tile[lx][ly];
12829   unsigned int bitmask = (dx + 1) << (dy * 2);
12830
12831   if (IS_MM_WALL(element))
12832   {
12833     if (element & bitmask)
12834       return map_mm_wall_element(element);
12835     else
12836       return EL_EMPTY;
12837   }
12838
12839   return element;
12840 }
12841
12842 static void DrawLineElement(int x, int y, int element, boolean change_level)
12843 {
12844   SetElementHiRes(x, y, element, change_level);
12845 }
12846
12847 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
12848                      int element, boolean change_level)
12849 {
12850   int xsize = ABS(to_x - from_x);
12851   int ysize = ABS(to_y - from_y);
12852   int dx = (to_x < from_x ? -1 : +1);
12853   int dy = (to_y < from_y ? -1 : +1);
12854   int i;
12855
12856   if (from_y == to_y)                   // horizontal line
12857   {
12858     for (i = 0; i <= xsize; i++)
12859       DrawLineElement(from_x + i * dx, from_y, element, change_level);
12860   }
12861   else if (from_x == to_x)              // vertical line
12862   {
12863     for (i = 0; i <= ysize; i++)
12864       DrawLineElement(from_x, from_y + i * dy, element, change_level);
12865   }
12866   else                                  // diagonal line
12867   {
12868     if (ysize < xsize)                  // a < 1
12869     {
12870       float a = (float)ysize / (float)xsize;
12871
12872       for (i = 0; i <= xsize; i++)
12873       {
12874         int x = dx * i;
12875         int y = dy * (int)(a * i + 0.5);
12876
12877         DrawLineElement(from_x + x, from_y + y, element, change_level);
12878       }
12879     }
12880     else                                // a >= 1
12881     {
12882       float a = (float)xsize / (float)ysize;
12883
12884       for (i = 0; i <= ysize; i++)
12885       {
12886         int x = dx * (int)(a * i + 0.5);
12887         int y = dy * i;
12888
12889         DrawLineElement(from_x + x, from_y + y, element, change_level);
12890       }
12891     }
12892   }
12893 }
12894
12895 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
12896                     int element, boolean change_level)
12897 {
12898   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
12899   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
12900   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
12901   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
12902 }
12903
12904 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
12905                           int element, boolean change_level)
12906 {
12907   int y;
12908
12909   if (from_y > to_y)
12910     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
12911
12912   for (y = from_y; y <= to_y; y++)
12913     DrawLine(from_x, y, to_x, y, element, change_level);
12914 }
12915
12916 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
12917                        int element, boolean change_level)
12918 {
12919   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
12920   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
12921   int len_x = ABS(to_x - from_x);
12922   int len_y = ABS(to_y - from_y);
12923   int radius, x, y;
12924
12925   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
12926
12927   // not optimal (some points get drawn twice) but simple,
12928   // and fast enough for the few points we are drawing
12929
12930   for (x = 0; x <= radius; x++)
12931   {
12932     int sx, sy, sx2, sy2, lx, ly;
12933
12934     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
12935
12936     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12937     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12938     sx = getLoResScreenPos(sx2);
12939     sy = getLoResScreenPos(sy2);
12940     lx = sx + level_xpos;
12941     ly = sy + level_ypos;
12942
12943     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12944       DrawLineElement(sx2, sy2, element, change_level);
12945   }
12946
12947   for (y = 0; y <= radius; y++)
12948   {
12949     int sx, sy, sx2, sy2, lx, ly;
12950
12951     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
12952
12953     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12954     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12955     sx = getLoResScreenPos(sx2);
12956     sy = getLoResScreenPos(sy2);
12957     lx = sx + level_xpos;
12958     ly = sy + level_ypos;
12959
12960     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12961       DrawLineElement(sx2, sy2, element, change_level);
12962   }
12963 }
12964
12965 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
12966                     int element, boolean change_level)
12967 {
12968   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12969   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12970
12971   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12972 }
12973
12974 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
12975
12976 #if DRAW_CIRCLES_BUTTON_AVAILABLE
12977 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
12978                        int element, boolean change_level)
12979 {
12980   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12981   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12982   int mirror_to_x2 = from_x - (to_x2 - from_x);
12983   int mirror_to_y2 = from_y - (to_y2 - from_y);
12984
12985   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12986   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
12987   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
12988   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
12989 }
12990 #endif
12991
12992 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
12993 {
12994   int from_sx, from_sy;
12995   int to_sx, to_sy;
12996
12997   if (from_x > to_x)
12998     swap_numbers(&from_x, &to_x);
12999
13000   if (from_y > to_y)
13001     swap_numbers(&from_y, &to_y);
13002
13003   from_sx = SX + from_x * ed_tilesize;
13004   from_sy = SY + from_y * ed_tilesize;
13005   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
13006   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
13007
13008   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
13009   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
13010   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
13011   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
13012
13013   if (from_x == to_x && from_y == to_y)
13014     MarkTileDirty(from_x/2, from_y/2);
13015   else
13016     redraw_mask |= REDRAW_FIELD;
13017 }
13018
13019 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
13020                         int element, boolean change_level)
13021 {
13022   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
13023 }
13024
13025 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
13026                        int element, boolean change_level)
13027 {
13028   if (element == -1 || change_level)
13029     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
13030   else
13031     DrawAreaBorder(from_x, from_y, to_x, to_y);
13032 }
13033
13034 // values for CopyBrushExt()
13035 #define CB_AREA_TO_BRUSH                0
13036 #define CB_BRUSH_TO_CURSOR              1
13037 #define CB_BRUSH_TO_LEVEL               2
13038 #define CB_DELETE_OLD_CURSOR            3
13039 #define CB_DUMP_BRUSH                   4
13040 #define CB_DUMP_BRUSH_SMALL             5
13041 #define CB_CLIPBOARD_TO_BRUSH           6
13042 #define CB_BRUSH_TO_CLIPBOARD           7
13043 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
13044 #define CB_UPDATE_BRUSH_POSITION        9
13045 #define CB_FLIP_BRUSH_X                 10
13046 #define CB_FLIP_BRUSH_Y                 11
13047 #define CB_FLIP_BRUSH_XY                12
13048
13049 #define MAX_CB_PART_SIZE        10
13050 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
13051 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
13052 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
13053                                  MAX_CB_NUM_LINES *     \
13054                                  MAX_CB_PART_SIZE)
13055
13056 static int getFlippedTileExt(int map[], int element)
13057 {
13058   int i;
13059
13060   for (i = 0; map[i] != -1; i++)
13061     if (map[i] == element)
13062       return map[i ^ 1];        // get flipped element by flipping LSB of index
13063
13064   return element;
13065 }
13066
13067 static int getFlippedTileX(int element)
13068 {
13069   int map[] =
13070   {
13071     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
13072     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
13073     EL_BUG_LEFT,                        EL_BUG_RIGHT,
13074     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
13075     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
13076     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
13077     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
13078     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
13079     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
13080     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
13081     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
13082     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
13083     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
13084     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
13085     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
13086     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
13087     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
13088     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
13089     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
13090     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
13091     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
13092     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
13093     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
13094     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
13095     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
13096     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
13097     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13098     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
13099     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
13100     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
13101
13102     -1
13103   };
13104
13105   return getFlippedTileExt(map, element);
13106 }
13107
13108 static int getFlippedTileY(int element)
13109 {
13110   int map[] =
13111   {
13112     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
13113     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
13114     EL_BUG_UP,                          EL_BUG_DOWN,
13115     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
13116     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
13117     EL_ARROW_UP,                        EL_ARROW_DOWN,
13118     EL_MOLE_UP,                         EL_MOLE_DOWN,
13119     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
13120     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
13121     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
13122     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
13123     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
13124     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
13125     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
13126     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
13127     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
13128     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
13129     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
13130     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
13131     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
13132     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13133     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13134     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
13135     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
13136
13137     -1
13138   };
13139
13140   return getFlippedTileExt(map, element);
13141 }
13142
13143 static int getFlippedTileXY(int element)
13144 {
13145   int map[] =
13146   {
13147     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
13148     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
13149     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
13150     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
13151     EL_BUG_LEFT,                        EL_BUG_UP,
13152     EL_BUG_RIGHT,                       EL_BUG_DOWN,
13153     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
13154     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
13155     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
13156     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
13157     EL_ARROW_LEFT,                      EL_ARROW_UP,
13158     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
13159     EL_MOLE_LEFT,                       EL_MOLE_UP,
13160     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
13161     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
13162     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
13163     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
13164     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
13165     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
13166     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
13167     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
13168     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
13169     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
13170     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
13171     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
13172     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
13173     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
13174     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
13175     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
13176     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
13177     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
13178     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
13179     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
13180     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
13181     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
13182     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
13183     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13184     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
13185     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
13186     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
13187     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
13188     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
13189
13190     -1
13191   };
13192
13193   return getFlippedTileExt(map, element);
13194 }
13195
13196 static int getFlippedTile(int element, int mode)
13197 {
13198   if (IS_MM_ELEMENT(element))
13199   {
13200     // get MM game element
13201     element = map_element_RND_to_MM(element);
13202
13203     // get flipped game element
13204     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
13205                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
13206                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
13207                element);
13208
13209     // get RND game element again
13210     element = map_element_MM_to_RND(element);
13211   }
13212   else
13213   {
13214     // get flipped game element
13215     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
13216                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
13217                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
13218                element);
13219   }
13220
13221   return element;
13222 }
13223
13224 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
13225 {
13226   // flip tiles
13227   short tile1_flipped = getFlippedTile(*tile1, mode);
13228   short tile2_flipped = getFlippedTile(*tile2, mode);
13229
13230   // swap tiles
13231   *tile1 = tile2_flipped;
13232   *tile2 = tile1_flipped;
13233 }
13234
13235 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
13236 {
13237   DrawLineElement(sx, sy, element, change_level);
13238 }
13239
13240 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
13241                          int button, int mode)
13242 {
13243   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13244   static int brush_width, brush_height;
13245   static int last_cursor_x = -1, last_cursor_y = -1;
13246   static boolean delete_old_brush = FALSE;
13247   int new_element = BUTTON_ELEMENT(button);
13248   int x, y;
13249
13250   if (mode == CB_DUMP_BRUSH ||
13251       mode == CB_DUMP_BRUSH_SMALL ||
13252       mode == CB_BRUSH_TO_CLIPBOARD ||
13253       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13254   {
13255     if (edit_mode != ED_MODE_DRAWING)
13256       return;
13257
13258     char part[MAX_CB_PART_SIZE + 1] = "";
13259     char text[MAX_CB_TEXT_SIZE + 1] = "";
13260     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
13261     int height = (draw_with_brush ? brush_height : lev_fieldy);
13262     char *format = "%s%03d";
13263
13264     for (y = 0; y < height; y++)
13265       for (x = 0; x < width; x++)
13266         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
13267           format = "%s%04d";
13268
13269     for (y = 0; y < height; y++)
13270     {
13271       for (x = 0; x < width; x++)
13272       {
13273         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
13274         char *prefix = (mode == CB_DUMP_BRUSH ||
13275                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
13276
13277         if (element >= NUM_FILE_ELEMENTS)
13278           element = EL_UNKNOWN;
13279
13280         // copy brush to level sketch text buffer for the R'n'D forum:
13281         // - large tiles: `xxx or `xxxx (0x60 ASCII)
13282         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
13283         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
13284         strcat(text, part);
13285       }
13286
13287       strcat(text, "\n");
13288     }
13289
13290     if (mode == CB_BRUSH_TO_CLIPBOARD ||
13291         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13292       SDL_SetClipboardText(text);
13293     else
13294       Print("%s", text);        // print brush data to console and log file
13295
13296     return;
13297   }
13298
13299   if (mode == CB_CLIPBOARD_TO_BRUSH)
13300   {
13301     if (edit_mode != ED_MODE_DRAWING)
13302       return;
13303
13304     if (!SDL_HasClipboardText())
13305     {
13306       Request("Clipboard is empty!", REQ_CONFIRM);
13307
13308       return;
13309     }
13310
13311     boolean copy_to_brush = (draw_with_brush ||
13312                              drawing_function == GADGET_ID_GRAB_BRUSH);
13313
13314     // this will delete the old brush, if already drawing with a brush
13315     if (copy_to_brush)
13316       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
13317
13318     // initialization is required for "odd" (incomplete) clipboard content
13319     for (x = 0; x < MAX_LEV_FIELDX; x++)
13320       for (y = 0; y < MAX_LEV_FIELDY; y++)
13321         brush_buffer[x][y] = EL_EMPTY;
13322
13323     brush_width  = 0;
13324     brush_height = 0;
13325     x = 0;
13326     y = 0;
13327
13328     char *clipboard_text = SDL_GetClipboardText();
13329     char *ptr = clipboard_text;
13330     boolean allow_new_row = FALSE;
13331     boolean stop = FALSE;
13332
13333     while (*ptr && !stop)
13334     {
13335       boolean prefix_found = FALSE;
13336       boolean start_new_row = FALSE;
13337
13338       // level sketch element number prefixes (may be multi-byte characters)
13339       char *prefix_list[] = { "`", "¸" };
13340       int i;
13341
13342       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
13343       {
13344         char *prefix = prefix_list[i];
13345
13346         // check if string is large enough for prefix
13347         if (strlen(ptr) < strlen(prefix))
13348         {
13349           stop = TRUE;
13350
13351           break;
13352         }
13353
13354         // check if string starts with prefix
13355         if (strPrefix(ptr, prefix))
13356         {
13357           ptr += strlen(prefix);
13358
13359           prefix_found = TRUE;
13360
13361           break;
13362         }
13363       }
13364
13365       // check if prefix found and followed by (at least) three digits
13366       if (prefix_found &&
13367           strlen(ptr) >= 3 &&
13368           ptr[0] >= '0' && ptr[0] <= '9' &&
13369           ptr[1] >= '0' && ptr[1] <= '9' &&
13370           ptr[2] >= '0' && ptr[2] <= '9')
13371       {
13372         int element = ((ptr[0] - '0') * 100 +
13373                        (ptr[1] - '0') * 10 +
13374                        (ptr[2] - '0'));
13375
13376         ptr += 3;
13377
13378         // level sketch element number might consist of four digits
13379         if (ptr[0] >= '0' && ptr[0] <= '9')
13380         {
13381           element = element * 10 + (ptr[0] - '0');
13382           ptr++;
13383         }
13384
13385         // remap some (historic, now obsolete) elements
13386         element = getMappedElement(element);
13387
13388         if (element >= NUM_FILE_ELEMENTS)
13389           element = EL_UNKNOWN;
13390
13391         brush_buffer[x][y] = element;
13392
13393         brush_width  = MAX(x + 1, brush_width);
13394         brush_height = MAX(y + 1, brush_height);
13395
13396         x++;
13397
13398         if (x >= MAX_LEV_FIELDX)
13399           start_new_row = TRUE;
13400
13401         allow_new_row = TRUE;
13402       }
13403       else
13404       {
13405         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
13406           start_new_row = TRUE;
13407
13408         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
13409       }
13410
13411       if (start_new_row)
13412       {
13413         x = 0;
13414         y++;
13415
13416         if (y >= MAX_LEV_FIELDY)
13417           stop = TRUE;
13418
13419         allow_new_row = FALSE;
13420       }
13421     }
13422
13423     SDL_free(clipboard_text);
13424
13425     if (brush_width == 0 || brush_height == 0)
13426     {
13427       Request("No level sketch found in clipboard!", REQ_CONFIRM);
13428
13429       return;
13430     }
13431
13432     if (copy_to_brush)
13433     {
13434       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
13435       int mx, my;
13436
13437       SDL_GetMouseState(&mx, &my);
13438
13439       // if inside drawing area, activate and draw brush at last mouse position
13440       if (mx >= gi->x && mx < gi->x + gi->width &&
13441           my >= gi->y && my < gi->y + gi->height)
13442         CopyBrushToCursor(last_cursor_x, last_cursor_y);
13443
13444       draw_with_brush = TRUE;
13445     }
13446     else
13447     {
13448       char request[100];
13449
13450       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
13451               brush_width, brush_height);
13452
13453       if (!Request(request, REQ_ASK))
13454         return;
13455
13456       for (x = 0; x < MAX_LEV_FIELDX; x++)
13457         for (y = 0; y < MAX_LEV_FIELDY; y++)
13458           Tile[x][y] = brush_buffer[x][y];
13459
13460       lev_fieldx = level.fieldx = brush_width;
13461       lev_fieldy = level.fieldy = brush_height;
13462
13463       boolean use_bd_engine = TRUE;
13464       boolean use_em_engine = TRUE;
13465       boolean use_sp_engine = TRUE;
13466       boolean use_mm_engine = TRUE;
13467
13468       for (x = 0; x < MAX_LEV_FIELDX; x++)
13469       {
13470         for (y = 0; y < MAX_LEV_FIELDY; y++)
13471         {
13472           int element = Tile[x][y];
13473
13474           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13475             use_bd_engine = FALSE;
13476
13477           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13478             use_em_engine = FALSE;
13479
13480           if (!IS_SP_ELEMENT(element))
13481             use_sp_engine = FALSE;
13482
13483           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
13484             use_mm_engine = FALSE;
13485         }
13486       }
13487
13488       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
13489                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
13490                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
13491                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
13492                                 GAME_ENGINE_TYPE_RND);
13493
13494       // update element selection list
13495       ReinitializeElementList();
13496       ModifyEditorElementList();
13497
13498       SetBorderElement();
13499
13500       DrawEditModeWindow();
13501       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13502     }
13503
13504     return;
13505   }
13506
13507   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
13508     return;
13509
13510   if (mode == CB_AREA_TO_BRUSH)
13511   {
13512     int from_lx, from_ly;
13513
13514     if (from_x > to_x)
13515       swap_numbers(&from_x, &to_x);
13516
13517     if (from_y > to_y)
13518       swap_numbers(&from_y, &to_y);
13519
13520     brush_width = to_x - from_x + 1;
13521     brush_height = to_y - from_y + 1;
13522
13523     from_lx = from_x + level_xpos;
13524     from_ly = from_y + level_ypos;
13525
13526     for (y = 0; y < brush_height; y++)
13527     {
13528       for (x = 0; x < brush_width; x++)
13529       {
13530         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
13531
13532         if (button != 1)
13533           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
13534       }
13535     }
13536
13537     if (button != 1)
13538       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13539
13540     delete_old_brush = FALSE;
13541   }
13542   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
13543            mode == CB_BRUSH_TO_LEVEL)
13544   {
13545     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
13546     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
13547     int cursor_from_x = cursor_x - brush_width / 2;
13548     int cursor_from_y = cursor_y - brush_height / 2;
13549     int border_from_x = cursor_x, border_from_y = cursor_y;
13550     int border_to_x = cursor_x, border_to_y = cursor_y;
13551
13552     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
13553       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13554
13555     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
13556         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
13557     {
13558       delete_old_brush = FALSE;
13559
13560       return;
13561     }
13562
13563     for (y = 0; y < brush_height; y++)
13564     {
13565       for (x = 0; x < brush_width; x++)
13566       {
13567         int sx = cursor_from_x + x;
13568         int sy = cursor_from_y + y;
13569         int lx = sx + level_xpos;
13570         int ly = sy + level_ypos;
13571         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
13572         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
13573                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
13574                        brush_buffer[x][y] : new_element);
13575
13576         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13577         {
13578           if (sx < border_from_x)
13579             border_from_x = sx;
13580           else if (sx > border_to_x)
13581             border_to_x = sx;
13582           if (sy < border_from_y)
13583             border_from_y = sy;
13584           else if (sy > border_to_y)
13585             border_to_y = sy;
13586
13587           DrawBrushElement(sx, sy, element, change_level);
13588         }
13589       }
13590     }
13591
13592     if (mode != CB_DELETE_OLD_CURSOR)
13593       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
13594
13595     last_cursor_x = cursor_x;
13596     last_cursor_y = cursor_y;
13597
13598     delete_old_brush = TRUE;
13599   }
13600   else if (mode == CB_FLIP_BRUSH_X)
13601   {
13602     for (y = 0; y < brush_height; y++)
13603       for (x = 0; x < (brush_width + 1) / 2; x++)
13604         SwapFlippedTiles(&brush_buffer[x][y],
13605                          &brush_buffer[brush_width - x - 1][y], mode);
13606
13607     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13608   }
13609   else if (mode == CB_FLIP_BRUSH_Y)
13610   {
13611     for (y = 0; y < (brush_height + 1) / 2; y++)
13612       for (x = 0; x < brush_width; x++)
13613         SwapFlippedTiles(&brush_buffer[x][y],
13614                          &brush_buffer[x][brush_height - y - 1], mode);
13615
13616     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13617   }
13618   else if (mode == CB_FLIP_BRUSH_XY)
13619   {
13620     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13621
13622     for (y = 0; y < MAX(brush_width, brush_height); y++)
13623       for (x = 0; x <= y; x++)
13624         SwapFlippedTiles(&brush_buffer[x][y],
13625                          &brush_buffer[y][x], mode);
13626
13627     swap_numbers(&brush_width, &brush_height);
13628
13629     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13630   }
13631
13632   if (mode == CB_UPDATE_BRUSH_POSITION)
13633   {
13634     last_cursor_x = from_x;
13635     last_cursor_y = from_y;
13636   }
13637 }
13638
13639 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
13640                             int button)
13641 {
13642   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
13643 }
13644
13645 static void CopyBrushToLevel(int x, int y, int button)
13646 {
13647   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
13648 }
13649
13650 static void CopyBrushToCursor(int x, int y)
13651 {
13652   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13653 }
13654
13655 static void UpdateBrushPosition(int x, int y)
13656 {
13657   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
13658 }
13659
13660 static void DeleteBrushFromCursor(void)
13661 {
13662   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13663 }
13664
13665 static void FlipBrushX(void)
13666 {
13667   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
13668 }
13669
13670 static void FlipBrushY(void)
13671 {
13672   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
13673 }
13674
13675 static void RotateBrush(void)
13676 {
13677   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
13678   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
13679 }
13680
13681 void DumpBrush(void)
13682 {
13683   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
13684 }
13685
13686 void DumpBrush_Small(void)
13687 {
13688   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
13689 }
13690
13691 void CopyClipboardToBrush(void)
13692 {
13693   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
13694 }
13695
13696 void CopyBrushToClipboard(void)
13697 {
13698   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
13699 }
13700
13701 void CopyBrushToClipboard_Small(void)
13702 {
13703   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
13704 }
13705
13706 void UndoLevelEditorOperation(void)
13707 {
13708   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
13709 }
13710
13711 void RedoLevelEditorOperation(void)
13712 {
13713   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13714 }
13715
13716 static void FloodFill(int from_x, int from_y, int fill_element)
13717 {
13718   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
13719 }
13720
13721 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
13722 {
13723   int from_x = from_sx2 + 2 * level_xpos;
13724   int from_y = from_sy2 + 2 * level_ypos;
13725   int max_fillx = lev_fieldx * 2;
13726   int max_filly = lev_fieldy * 2;
13727   short Fill[max_fillx][max_filly];
13728   int x, y;
13729
13730   for (x = 0; x < max_fillx; x++)
13731     for (y = 0; y < max_filly; y++)
13732       Fill[x][y] = getLevelElementHiRes(x, y);
13733
13734   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
13735                     Fill, max_fillx, max_filly);
13736
13737   for (x = 0; x < max_fillx; x++)
13738     for (y = 0; y < max_filly; y++)
13739       if (Fill[x][y] == fill_element)
13740         SetLevelElementHiRes(x, y, Fill[x][y]);
13741 }
13742
13743 // values for DrawLevelText() modes
13744 #define TEXT_INIT               0
13745 #define TEXT_SETCURSOR          1
13746 #define TEXT_WRITECHAR          2
13747 #define TEXT_BACKSPACE          3
13748 #define TEXT_NEWLINE            4
13749 #define TEXT_END                5
13750 #define TEXT_QUERY_TYPING       6
13751
13752 static int DrawLevelText(int sx, int sy, char letter, int mode)
13753 {
13754   static short delete_buffer[MAX_LEV_FIELDX];
13755   static int start_sx;
13756   static int last_sx, last_sy;
13757   static boolean typing = FALSE;
13758   int letter_element;
13759   int lx = 0, ly = 0;
13760
13761   // map lower case letters to upper case and convert special characters
13762   if (letter >= 'a' && letter <= 'z')
13763     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
13764   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
13765     letter_element = EL_CHAR_AUMLAUT;
13766   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
13767     letter_element = EL_CHAR_OUMLAUT;
13768   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
13769     letter_element = EL_CHAR_UUMLAUT;
13770   else if (letter == '^')
13771     letter_element = EL_CHAR_COPYRIGHT;
13772   else
13773     letter_element = EL_CHAR_ASCII0 + letter;
13774
13775   if (mode != TEXT_INIT)
13776   {
13777     if (!typing)
13778       return FALSE;
13779
13780     if (mode != TEXT_SETCURSOR)
13781     {
13782       sx = last_sx;
13783       sy = last_sy;
13784     }
13785
13786     lx = last_sx + level_xpos;
13787     ly = last_sy + level_ypos;
13788   }
13789
13790   switch (mode)
13791   {
13792     case TEXT_INIT:
13793       if (typing)
13794         DrawLevelText(0, 0, 0, TEXT_END);
13795
13796       typing = TRUE;
13797       start_sx = sx;
13798       last_sx = sx;
13799       last_sy = sy;
13800       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
13801       break;
13802
13803     case TEXT_SETCURSOR:
13804       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
13805       DrawAreaBorder(sx, sy, sx, sy);
13806       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
13807                      ed_tilesize, ed_tilesize);
13808       last_sx = sx;
13809       last_sy = sy;
13810       break;
13811
13812     case TEXT_WRITECHAR:
13813       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
13814       {
13815         if (new_element1 >= EL_STEEL_CHAR_START &&
13816             new_element1 <= EL_STEEL_CHAR_END)
13817           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
13818
13819         delete_buffer[sx - start_sx] = Tile[lx][ly];
13820         Tile[lx][ly] = letter_element;
13821
13822         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
13823           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
13824         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
13825           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
13826         else
13827           DrawLevelText(0, 0, 0, TEXT_END);
13828
13829         level.changed = TRUE;
13830       }
13831       break;
13832
13833     case TEXT_BACKSPACE:
13834       if (sx > start_sx)
13835       {
13836         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
13837         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
13838         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
13839       }
13840       break;
13841
13842     case TEXT_NEWLINE:
13843       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
13844         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
13845       else
13846         DrawLevelText(0, 0, 0, TEXT_END);
13847       break;
13848
13849     case TEXT_END:
13850       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13851       DrawEditorElement(sx, sy, Tile[lx][ly]);
13852       StopTextInput();
13853       typing = FALSE;
13854       break;
13855
13856     case TEXT_QUERY_TYPING:
13857       break;
13858
13859     default:
13860       break;
13861   }
13862
13863   return typing;
13864 }
13865
13866 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
13867                           int element, boolean change_level)
13868 {
13869   int lx = sx + level_xpos;
13870   int ly = sy + level_ypos;
13871
13872   if (element == -1)
13873     DrawEditorElement(sx, sy, Tile[lx][ly]);
13874   else
13875     DrawAreaBorder(sx, sy, sx, sy);
13876 }
13877
13878 static void CheckLevelBorderElement(boolean redraw_playfield)
13879 {
13880   int last_border_element = BorderElement;
13881
13882   SetBorderElement();
13883
13884   if (redraw_playfield && BorderElement != last_border_element)
13885     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13886 }
13887
13888 static void CopyLevelToUndoBuffer(int mode)
13889 {
13890   static boolean accumulated_undo = FALSE;
13891   boolean new_undo_buffer_position = TRUE;
13892   int x, y;
13893
13894   if (undo_buffer_steps == 0)
13895     accumulated_undo = FALSE;
13896
13897   switch (mode)
13898   {
13899     case UNDO_IMMEDIATE:
13900       accumulated_undo = FALSE;
13901       break;
13902
13903     case UNDO_ACCUMULATE:
13904       if (accumulated_undo)
13905         new_undo_buffer_position = FALSE;
13906       accumulated_undo = TRUE;
13907       break;
13908
13909     default:
13910       break;
13911   }
13912
13913   if (new_undo_buffer_position)
13914   {
13915     // advance position in undo buffer ring
13916     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13917
13918     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
13919       undo_buffer_steps++;
13920   }
13921
13922   // always reset redo buffer when storing level change into undo buffer
13923   redo_buffer_steps = 0;
13924
13925   for (x = 0; x < lev_fieldx; x++)
13926     for (y = 0; y < lev_fieldy; y++)
13927       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
13928
13929   // check if drawing operation forces change of border style
13930   CheckLevelBorderElement(TRUE);
13931
13932   level.changed = TRUE;
13933 }
13934
13935 static void RandomPlacement(int new_element)
13936 {
13937   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13938   int num_free_positions = 0;
13939   int num_percentage, num_elements;
13940   int x, y;
13941
13942   ResetIntelliDraw();
13943
13944   // determine number of free positions for randomly placing the new element
13945   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
13946   {
13947     free_position[x][y] =
13948       (random_placement_background_restricted ?
13949        Tile[x][y] == random_placement_background_element :
13950        Tile[x][y] != new_element);
13951
13952     if (free_position[x][y])
13953       num_free_positions++;
13954   }
13955
13956   // determine number of new elements to place there
13957   num_percentage = num_free_positions * random_placement_value / 100;
13958   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
13959                   num_percentage : random_placement_value);
13960
13961   // if less free positions than elements to place, fill all these positions
13962   if (num_free_positions < num_elements)
13963   {
13964     for (x = 0; x < lev_fieldx; x++)
13965       for (y = 0; y < lev_fieldy; y++)
13966         if (free_position[x][y])
13967           SetElement(x, y, new_element);
13968   }
13969   else
13970   {
13971     while (num_elements > 0)
13972     {
13973       x = GetSimpleRandom(lev_fieldx);
13974       y = GetSimpleRandom(lev_fieldy);
13975
13976       // don't place element at the same position twice
13977       if (free_position[x][y])
13978       {
13979         free_position[x][y] = FALSE;
13980         SetElement(x, y, new_element);
13981         num_elements--;
13982       }
13983     }
13984   }
13985
13986   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13987   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13988 }
13989
13990 static void WrapLevel(int dx, int dy)
13991 {
13992   int wrap_dx = lev_fieldx - dx;
13993   int wrap_dy = lev_fieldy - dy;
13994   int x, y;
13995
13996   for (x = 0; x < lev_fieldx; x++)
13997     for (y = 0; y < lev_fieldy; y++)
13998       TileBackup[x][y] = Tile[x][y];
13999
14000   for (x = 0; x < lev_fieldx; x++)
14001     for (y = 0; y < lev_fieldy; y++)
14002       Tile[x][y] =
14003         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
14004
14005   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14006   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
14007 }
14008
14009 static void DrawAreaElementHighlight(boolean highlighted,
14010                                      boolean highlighted_similar)
14011 {
14012   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14013
14014   if (!highlighted)
14015     return;
14016
14017   int x, y;
14018
14019   for (x = 0; x < ed_fieldx; x++)
14020   {
14021     for (y = 0; y < ed_fieldy; y++)
14022     {
14023       boolean highlight = FALSE;
14024       int lx = x + level_xpos;
14025       int ly = y + level_ypos;
14026
14027       if (!IN_LEV_FIELD(lx, ly))
14028         continue;
14029
14030       // check if element is the same
14031       if (Tile[lx][ly] == new_element1)
14032         highlight = TRUE;
14033
14034       // check if element is similar
14035       if (highlighted_similar &&
14036           strEqual(element_info[Tile[lx][ly]].class_name,
14037                    element_info[new_element1].class_name))
14038         highlight = TRUE;
14039
14040       // check if element is matching MM style wall
14041       if (IS_MM_WALL(Tile[lx][ly]) &&
14042           map_mm_wall_element(Tile[lx][ly]) == new_element1)
14043         highlight = TRUE;
14044
14045       if (!highlight)
14046         continue;
14047
14048       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
14049       {
14050         int i;
14051
14052         for (i = 0; i < 4; i++)
14053         {
14054           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
14055             continue;
14056
14057           int xx = x * 2 + (i % 2);
14058           int yy = y * 2 + (i / 2);
14059           int sx = SX + xx * ed_tilesize / 2;
14060           int sy = SY + yy * ed_tilesize / 2;
14061           int from_sx = sx;
14062           int from_sy = sy;
14063           int to_sx = sx + ed_tilesize / 2 - 1;
14064           int to_sy = sy + ed_tilesize / 2 - 1;
14065
14066           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14067           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14068           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14069           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14070         }
14071       }
14072       else
14073       {
14074         int sx = SX + x * ed_tilesize;
14075         int sy = SY + y * ed_tilesize;
14076         int from_sx = sx;
14077         int from_sy = sy;
14078         int to_sx = sx + ed_tilesize - 1;
14079         int to_sy = sy + ed_tilesize - 1;
14080
14081         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14082         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14083         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14084         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14085       }
14086     }
14087   }
14088 }
14089
14090 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
14091 {
14092   char *template_filename_old = getLocalLevelTemplateFilename();
14093   char *template_filename_new =
14094     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
14095
14096   if (copyFile(template_filename_old, template_filename_new) != 0)
14097     Request("Cannot copy level template!", REQ_CONFIRM);
14098
14099   free(template_filename_new);
14100 }
14101
14102 static void HandleDrawingAreas(struct GadgetInfo *gi)
14103 {
14104   static boolean started_inside_drawing_area = FALSE;
14105   static int last_sx = -1;
14106   static int last_sy = -1;
14107   static int last_sx2 = -1;
14108   static int last_sy2 = -1;
14109   int id = gi->custom_id;
14110   int type_id = gi->custom_type_id;
14111   boolean button_press_event;
14112   boolean button_release_event;
14113   boolean inside_drawing_area = !gi->event.off_borders;
14114   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
14115   int actual_drawing_function;
14116   int button = gi->event.button;
14117   int new_element = BUTTON_ELEMENT(button);
14118   int sx = gi->event.x, sy = gi->event.y;
14119   int min_sx = 0, min_sy = 0;
14120   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
14121   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
14122   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
14123   int sx2 = gi->event.mx / mini_item_xsize;
14124   int sy2 = gi->event.my / mini_item_ysize;
14125   int dx = sx2 % 2;
14126   int dy = sy2 % 2;
14127   int lx = 0, ly = 0;
14128   int x, y;
14129
14130   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
14131   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
14132
14133   // make sure to stay inside drawing area boundaries
14134   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14135   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14136
14137   if (draw_level)
14138   {
14139     int min_lx = 0, min_ly = 0;
14140     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14141
14142     // get positions inside level field
14143     lx = sx + level_xpos;
14144     ly = sy + level_ypos;
14145
14146     if (!IN_LEV_FIELD(lx, ly))
14147       inside_drawing_area = FALSE;
14148
14149     // make sure to stay inside level field boundaries
14150     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14151     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14152
14153     // correct drawing area positions accordingly
14154     sx = lx - level_xpos;
14155     sy = ly - level_ypos;
14156   }
14157
14158   // also correct MM wall-sized (double) drawing area positions accordingly
14159   if (sx2 / 2 < sx || sx2 / 2 > sx)
14160   {
14161     dx = (sx2 / 2 < sx ? 0 : 1);
14162     sx2 = sx * 2 + dx;
14163   }
14164   if (sy2 / 2 < sy || sy2 / 2 > sy)
14165   {
14166     dy = (sy2 / 2 < sy ? 0 : 1);
14167     sy2 = sy * 2 + dy;
14168   }
14169
14170   if (!button_press_event && !button_release_event)
14171   {
14172     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
14173     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14174                              isHiresTileElement(old_element) &&
14175                              isHiresDrawElement(new_element));
14176
14177     // prevent handling events for every pixel position when moving mouse
14178     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
14179         (sx2 == last_sx2 && sy2 == last_sy2))
14180       return;
14181   }
14182
14183   last_sx = sx;
14184   last_sy = sy;
14185   last_sx2 = sx2;
14186   last_sy2 = sy2;
14187
14188   if (button_press_event)
14189     started_inside_drawing_area = inside_drawing_area;
14190
14191   if (!started_inside_drawing_area)
14192     return;
14193
14194   if (!IS_VALID_BUTTON(button))
14195     return;
14196
14197   // handle info callback for each invocation of action callback
14198   gi->callback_info(gi);
14199
14200   // automatically switch to 'single item' drawing mode, if needed
14201   actual_drawing_function =
14202     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
14203      drawing_function : GADGET_ID_SINGLE_ITEMS);
14204
14205   // clicking into drawing area with pressed Control key picks element
14206   if (GetKeyModState() & KMOD_Control)
14207   {
14208     last_drawing_function = drawing_function;
14209     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14210   }
14211
14212   if (GetKeyModState() & KMOD_Shift)
14213   {
14214     if (button_press_event || button_release_event)
14215       ResetIntelliDraw();
14216   }
14217
14218   SetDrawModeHiRes(-1);         // reset to normal draw mode
14219
14220   switch (actual_drawing_function)
14221   {
14222     case GADGET_ID_SINGLE_ITEMS:
14223       if (draw_level)
14224       {
14225         if (button_release_event)
14226         {
14227           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14228
14229           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
14230               !inside_drawing_area)
14231             DeleteBrushFromCursor();
14232
14233           break;
14234         }
14235
14236         if (draw_with_brush)
14237         {
14238           CopyBrushToLevel(sx, sy, button);
14239         }
14240         else
14241         {
14242           SetDrawModeHiRes(new_element);
14243
14244           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
14245           {
14246             // remove player at old position
14247             for (y = 0; y < lev_fieldy; y++)
14248             {
14249               for (x = 0; x < lev_fieldx; x++)
14250               {
14251                 int old_element = Tile[x][y];
14252
14253                 if (IS_PLAYER_ELEMENT(old_element) &&
14254                     IS_PLAYER_ELEMENT(new_element))
14255                 {
14256                   int replaced_with_element =
14257                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
14258                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
14259
14260                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
14261                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
14262
14263                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
14264                      old_element == EL_PLAYER_1 ? EL_EMPTY :
14265
14266                      new_element >= EL_PLAYER_1 &&
14267                      new_element <= EL_PLAYER_4 &&
14268                      new_element == old_element ? EL_EMPTY :
14269
14270                      old_element);
14271
14272                   SetElement(x, y, replaced_with_element);
14273                 }
14274                 else if (IS_MM_MCDUFFIN(old_element) &&
14275                          IS_MM_MCDUFFIN(new_element))
14276                 {
14277                   // remove McDuffin at old position
14278                   SetElement(x, y, EL_EMPTY);
14279                 }
14280               }
14281             }
14282           }
14283
14284           SetElementButton(lx, ly, dx, dy, new_element, button);
14285         }
14286       }
14287       else if (!button_release_event)
14288       {
14289         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14290
14291         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
14292           DrawMiniGraphicExt(drawto,
14293                              gi->x + sx * MINI_TILEX,
14294                              gi->y + sy * MINI_TILEY,
14295                              el2edimg(new_element));
14296         else
14297           DrawFixedGraphicExt(drawto,
14298                               gi->x + sx * TILEX,
14299                               gi->y + sy * TILEY,
14300                               el2edimg(new_element), 0);
14301
14302         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14303           new_element = GFX_ELEMENT(new_element);
14304
14305         drawingarea_info[type_id].value[pos] = new_element;
14306
14307         CopyElementPropertiesToGame(properties_element);
14308
14309         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14310         {
14311           UpdateCustomElementGraphicGadgets();
14312
14313           FrameCounter = 0;     // restart animation frame counter
14314         }
14315       }
14316       break;
14317
14318     case GADGET_ID_CONNECTED_ITEMS:
14319       {
14320         static int last_sx = -1;
14321         static int last_sy = -1;
14322
14323         if (button_release_event)
14324           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14325
14326         SetDrawModeHiRes(new_element);
14327
14328         if (getDrawModeHiRes())
14329         {
14330           sx = sx2;
14331           sy = sy2;
14332         }
14333
14334         if (!button_press_event)
14335           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
14336
14337         last_sx = sx;
14338         last_sy = sy;
14339       }
14340       break;
14341
14342     case GADGET_ID_LINE:
14343     case GADGET_ID_ARC:
14344     case GADGET_ID_RECTANGLE:
14345     case GADGET_ID_FILLED_BOX:
14346       SetDrawModeHiRes(new_element);
14347
14348       if (getDrawModeHiRes())
14349       {
14350         sx = sx2;
14351         sy = sy2;
14352       }
14353       // FALLTHROUGH
14354     case GADGET_ID_GRAB_BRUSH:
14355     case GADGET_ID_TEXT:
14356       {
14357         static int last_sx = -1;
14358         static int last_sy = -1;
14359         static int start_sx = -1;
14360         static int start_sy = -1;
14361         void (*draw_func)(int, int, int, int, int, boolean);
14362
14363         if (drawing_function == GADGET_ID_LINE)
14364           draw_func = DrawLine;
14365         else if (drawing_function == GADGET_ID_ARC)
14366           draw_func = DrawArc;
14367         else if (drawing_function == GADGET_ID_RECTANGLE)
14368           draw_func = DrawBox;
14369         else if (drawing_function == GADGET_ID_FILLED_BOX)
14370           draw_func = DrawFilledBox;
14371         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
14372           draw_func = SelectArea;
14373         else // (drawing_function == GADGET_ID_TEXT)
14374           draw_func = SetTextCursor;
14375
14376         if (button_press_event)
14377         {
14378           draw_func(sx, sy, sx, sy, new_element, FALSE);
14379           start_sx = last_sx = sx;
14380           start_sy = last_sy = sy;
14381
14382           if (drawing_function == GADGET_ID_TEXT)
14383             DrawLevelText(0, 0, 0, TEXT_END);
14384         }
14385         else if (button_release_event)
14386         {
14387           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
14388           if (drawing_function == GADGET_ID_GRAB_BRUSH)
14389           {
14390             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
14391             CopyBrushToCursor(sx, sy);
14392             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
14393                           MB_LEFTBUTTON);
14394             draw_with_brush = TRUE;
14395           }
14396           else if (drawing_function == GADGET_ID_TEXT)
14397             DrawLevelText(sx, sy, 0, TEXT_INIT);
14398           else
14399             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14400         }
14401         else if (last_sx != sx || last_sy != sy)
14402         {
14403           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
14404           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
14405             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
14406           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
14407           last_sx = sx;
14408           last_sy = sy;
14409         }
14410       }
14411       break;
14412
14413     case GADGET_ID_FLOOD_FILL:
14414       if (button_press_event && Tile[lx][ly] != new_element)
14415       {
14416         if (IS_MM_WALL_EDITOR(new_element))
14417           FloodFillWall_MM(sx2, sy2, new_element);
14418         else
14419           FloodFill(lx, ly, new_element);
14420
14421         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14422         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14423       }
14424       break;
14425
14426     case GADGET_ID_PICK_ELEMENT:
14427       if (button_release_event)
14428         ClickOnGadget(level_editor_gadget[last_drawing_function],
14429                       MB_LEFTBUTTON);
14430       else if (draw_level)
14431         PickDrawingElement(button, Tile[lx][ly]);
14432       else
14433       {
14434         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14435
14436         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
14437       }
14438
14439     default:
14440       break;
14441   }
14442
14443   // do not mark level as modified for certain non-level-changing gadgets
14444   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
14445        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
14446       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
14447       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14448     return;
14449
14450   level.changed = TRUE;
14451 }
14452
14453 static void HandleCounterButtons(struct GadgetInfo *gi)
14454 {
14455   int gadget_id = gi->custom_id;
14456   int counter_id = gi->custom_type_id;
14457   int button = gi->event.button;
14458   int *counter_value = counterbutton_info[counter_id].value;
14459   int step = BUTTON_STEPSIZE(button) *
14460     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
14461
14462   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14463   {
14464     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
14465     boolean released = (gi->event.type == GD_EVENT_RELEASED);
14466     boolean level_changed = LevelChanged();
14467
14468     if ((level_changed && pressed) || (!level_changed && released))
14469       return;
14470
14471     if (level_changed && !Request("Level has changed! Discard changes?",
14472                                   REQ_ASK))
14473     {
14474       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14475         ModifyEditorCounterValue(counter_id, *counter_value);
14476
14477       return;
14478     }
14479   }
14480
14481   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14482     *counter_value = gi->textinput.number_value;
14483   else
14484     ModifyEditorCounterValue(counter_id, *counter_value + step);
14485
14486   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14487   {
14488     int last_game_engine_type = level.game_engine_type;
14489
14490     LoadLevel(level_nr);
14491     LoadScore(level_nr);
14492
14493     SaveLevelSetup_SeriesInfo();
14494
14495     TapeErase();
14496
14497     ResetUndoBuffer();
14498     DrawEditModeWindow();
14499
14500     if (level.game_engine_type != last_game_engine_type)
14501     {
14502       // update element selection list
14503       ReinitializeElementList();
14504       ModifyEditorElementList();
14505     }
14506
14507     return;
14508   }
14509
14510   switch (counter_id)
14511   {
14512     case ED_COUNTER_ID_YAMYAM_CONTENT:
14513       DrawYamYamContentAreas();
14514       break;
14515
14516     case ED_COUNTER_ID_BALL_CONTENT:
14517       DrawMagicBallContentAreas();
14518       break;
14519
14520     case ED_COUNTER_ID_ANDROID_CONTENT:
14521       DrawAndroidElementArea();
14522       break;
14523
14524     case ED_COUNTER_ID_GROUP_CONTENT:
14525       DrawGroupElementArea();
14526       CopyGroupElementPropertiesToGame(properties_element);
14527       break;
14528
14529     case ED_COUNTER_ID_INVENTORY_SIZE:
14530       DrawPlayerInitialInventoryArea(properties_element);
14531       break;
14532
14533     case ED_COUNTER_ID_MM_BALL_CONTENT:
14534       DrawMMBallContentArea();
14535       break;
14536
14537     case ED_COUNTER_ID_ENVELOPE_XSIZE:
14538     case ED_COUNTER_ID_ENVELOPE_YSIZE:
14539       DrawEnvelopeTextArea(-1);
14540       break;
14541
14542     case ED_COUNTER_ID_LEVEL_XSIZE:
14543     case ED_COUNTER_ID_LEVEL_YSIZE:
14544       lev_fieldx = level.fieldx;
14545       lev_fieldy = level.fieldy;
14546
14547       // check if resizing of level results in change of border border
14548       SetBorderElement();
14549
14550       break;
14551
14552     default:
14553       break;
14554   }
14555
14556   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
14557        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
14558       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
14559        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
14560     CopyElementPropertiesToGame(properties_element);
14561
14562   // do not mark level as modified for certain non-level-changing gadgets
14563   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
14564        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
14565       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
14566        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
14567     return;
14568
14569   level.changed = TRUE;
14570 }
14571
14572 static void HandleTextInputGadgets(struct GadgetInfo *gi)
14573 {
14574   int type_id = gi->custom_type_id;
14575
14576   strcpy(textinput_info[type_id].value, gi->textinput.value);
14577
14578   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
14579   {
14580     CopyElementPropertiesToGame(properties_element);
14581
14582     ModifyEditorElementList();  // update changed button info text
14583   }
14584
14585   // do not mark level as modified for certain non-level-changing gadgets
14586   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
14587       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
14588     return;
14589
14590   level.changed = TRUE;
14591 }
14592
14593 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
14594 {
14595   int type_id = gi->custom_type_id;
14596
14597   strncpy(textarea_info[type_id].value, gi->textarea.value,
14598           MAX_ENVELOPE_TEXT_LEN);
14599   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
14600
14601   level.changed = TRUE;
14602 }
14603
14604 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
14605 {
14606   int type_id = gi->custom_type_id;
14607   int value_old = *selectbox_info[type_id].value;
14608   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
14609
14610   *selectbox_info[type_id].value = value_new;
14611
14612   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
14613   {
14614     DrawLevelConfigWindow();
14615   }
14616   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
14617   {
14618     element_info[properties_element].current_change_page = gi->selectbox.index;
14619
14620     DrawPropertiesWindow();
14621   }
14622   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
14623             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
14624            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
14625             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
14626            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
14627   {
14628     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
14629     {
14630       // when changing action type, also check action mode and action arg
14631       if (value_old != value_new)
14632         setSelectboxSpecialActionVariablesIfNeeded();
14633
14634       DrawPropertiesChange();
14635     }
14636
14637     CopyElementPropertiesToGame(properties_element);
14638   }
14639   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
14640   {
14641     // show or hide "engine" tabulator depending on game engine type
14642     DrawLevelConfigWindow();
14643
14644     // update element selection list depending on game engine type
14645     ReinitializeElementList();
14646     ModifyEditorElementList();
14647   }
14648   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
14649   {
14650     // update BD cycle delay counter gadgets depending on BD scheduling type
14651     DrawLevelConfigWindow();
14652   }
14653
14654   // do not mark level as modified for certain non-level-changing gadgets
14655   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
14656       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
14657     return;
14658
14659   level.changed = TRUE;
14660 }
14661
14662 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
14663 {
14664   int type_id = gi->custom_type_id;
14665   int i;
14666
14667   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
14668       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
14669   {
14670     edit_mode_levelconfig = gi->custom_type_id;
14671
14672     DrawLevelConfigWindow();
14673   }
14674   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
14675            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
14676   {
14677     edit_mode_properties = gi->custom_type_id;
14678
14679     DrawPropertiesWindow();
14680   }
14681   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
14682            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
14683   {
14684     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
14685
14686     // backup original "level.field" (needed to track playfield changes)
14687     CopyPlayfield(level.field, TileBackup);
14688
14689     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
14690     CopyPlayfield(Tile, level.field);
14691
14692     if (new_template ||
14693         Request("Save this template and kill the old?", REQ_ASK))
14694       SaveLevelTemplate();
14695
14696     if (new_template)
14697       Request("Template saved!", REQ_CONFIRM);
14698
14699     // restore original "level.field" (needed to track playfield changes)
14700     CopyPlayfield(TileBackup, level.field);
14701   }
14702   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
14703   {
14704     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
14705
14706     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
14707         leveldir_current->readonly)
14708     {
14709       Request("This level set is read-only!", REQ_CONFIRM);
14710
14711       return;
14712     }
14713
14714     if (strEqual(levelset_name, ""))
14715     {
14716       Request("Please enter level set title!", REQ_CONFIRM);
14717
14718       return;
14719     }
14720
14721     if (strEqual(levelset_author, ""))
14722     {
14723       Request("Please enter level set author!", REQ_CONFIRM);
14724
14725       return;
14726     }
14727
14728     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
14729     {
14730       if (UpdateUserLevelSet(levelset_subdir,
14731                              levelset_name,
14732                              levelset_author,
14733                              levelset_num_levels))
14734       {
14735         Request("Level set updated!", REQ_CONFIRM);
14736       }
14737       else
14738       {
14739         Request("Updating level set failed!", REQ_CONFIRM);
14740       }
14741     }
14742     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
14743     {
14744       if (level.changed && !Request("Level has changed! Discard changes?",
14745                                      REQ_ASK))
14746         return;
14747
14748       if (CreateUserLevelSet(levelset_subdir,
14749                              levelset_name,
14750                              levelset_author,
14751                              levelset_num_levels,
14752                              levelset_use_levelset_artwork))
14753       {
14754         if (levelset_copy_level_template)
14755           CopyLevelTemplateToUserLevelSet(levelset_subdir);
14756
14757         Request("New level set created!", REQ_CONFIRM);
14758
14759         AddUserLevelSetToLevelInfo(levelset_subdir);
14760         ChangeEditorToLevelSet(levelset_subdir);
14761       }
14762       else
14763       {
14764         Request("Creating new level set failed!", REQ_CONFIRM);
14765       }
14766     }
14767   }
14768   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
14769            custom_element.num_change_pages < MAX_CHANGE_PAGES)
14770   {
14771     struct ElementInfo *ei = &element_info[properties_element];
14772
14773     // when modifying custom element, ask for copying level template
14774     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14775       return;
14776
14777     setElementChangePages(ei, ei->num_change_pages + 1);
14778
14779     // set new change page to be new current change page
14780     ei->current_change_page = ei->num_change_pages - 1;
14781     ei->change = &ei->change_page[ei->current_change_page];
14782
14783     setElementChangeInfoToDefaults(ei->change);
14784
14785     DrawPropertiesWindow();
14786
14787     level.changed = TRUE;
14788   }
14789   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
14790            custom_element.num_change_pages > MIN_CHANGE_PAGES)
14791   {
14792     struct ElementInfo *ei = &element_info[properties_element];
14793
14794     // when modifying custom element, ask for copying level template
14795     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14796       return;
14797
14798     // copy all change pages after change page to be deleted
14799     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
14800       ei->change_page[i] = ei->change_page[i + 1];
14801
14802     setElementChangePages(ei, ei->num_change_pages - 1);
14803
14804     DrawPropertiesWindow();
14805
14806     level.changed = TRUE;
14807   }
14808 }
14809
14810 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
14811 {
14812   int type_id = gi->custom_type_id;
14813
14814   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
14815       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
14816   {
14817     struct ElementInfo *ei = &element_info[properties_element];
14818     int step = BUTTON_STEPSIZE(gi->event.button);
14819
14820     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
14821     ei->current_change_page += step;
14822
14823     if (ei->current_change_page < 0)
14824       ei->current_change_page = 0;
14825     else if (ei->current_change_page >= ei->num_change_pages)
14826       ei->current_change_page = ei->num_change_pages - 1;
14827
14828     DrawPropertiesWindow();
14829   }
14830   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
14831            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
14832   {
14833     struct ElementInfo *ei = &element_info[properties_element];
14834     int current_change_page = ei->current_change_page;
14835
14836     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
14837     {
14838       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
14839         ei->change_page[current_change_page];
14840     }
14841     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
14842     {
14843       // when modifying custom element, ask for copying level template
14844       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14845         return;
14846
14847       ei->change_page[current_change_page] =
14848         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
14849
14850       level.changed = TRUE;
14851     }
14852
14853     DrawPropertiesWindow();
14854   }
14855 }
14856
14857 static void HandleRadiobuttons(struct GadgetInfo *gi)
14858 {
14859   int type_id = gi->custom_type_id;
14860
14861   *radiobutton_info[type_id].value =
14862     radiobutton_info[type_id].checked_value;
14863
14864   // do not mark level as modified for certain non-level-changing gadgets
14865   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
14866       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
14867     return;
14868
14869   level.changed = TRUE;
14870 }
14871
14872 static void HandleCheckbuttons(struct GadgetInfo *gi)
14873 {
14874   int type_id = gi->custom_type_id;
14875
14876   *checkbutton_info[type_id].value ^= TRUE;
14877
14878   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
14879       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
14880       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
14881       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
14882          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
14883         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
14884          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
14885        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
14886   {
14887     CopyElementPropertiesToGame(properties_element);
14888   }
14889
14890   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
14891   {
14892     UpdateCustomElementGraphicGadgets();
14893   }
14894   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
14895            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
14896   {
14897     boolean template_related_changes_found = FALSE;
14898     int i;
14899
14900     // check if any custom, group or empty elements have been changed
14901     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
14902       if ((IS_CUSTOM_ELEMENT(i) ||
14903            IS_GROUP_ELEMENT(i) ||
14904            IS_EMPTY_ELEMENT(i)) &&
14905           element_info[i].modified_settings)
14906         template_related_changes_found = TRUE;
14907
14908     if (level.use_custom_template &&
14909         !fileExists(getGlobalLevelTemplateFilename()))
14910     {
14911       Request("No level template found!", REQ_CONFIRM);
14912
14913       level.use_custom_template = FALSE;
14914
14915       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
14916
14917       return;
14918     }
14919
14920     if (level.use_custom_template &&
14921         template_related_changes_found &&
14922         !Request("Discard changes and use level template?", REQ_ASK))
14923     {
14924       level.use_custom_template = FALSE;
14925
14926       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
14927
14928       return;
14929     }
14930
14931     if (!level.use_custom_template &&
14932         Request("Copy settings from level template?", REQ_ASK))
14933     {
14934       return;
14935     }
14936
14937     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
14938
14939     DrawEditModeWindow();
14940   }
14941   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
14942   {
14943     if (setup.editor.use_template_for_new_levels &&
14944         !fileExists(getGlobalLevelTemplateFilename()))
14945     {
14946       Request("No level template found!", REQ_CONFIRM);
14947
14948       return;
14949     }
14950
14951     if (setup.editor.use_template_for_new_levels &&
14952         level.changed &&
14953         !Request("Discard level and load template?", REQ_ASK))
14954     {
14955       return;
14956     }
14957
14958     if (!setup.editor.use_template_for_new_levels &&
14959         level.changed &&
14960         !Request("Discard level and use empty level?", REQ_ASK))
14961     {
14962       return;
14963     }
14964
14965     LoadLevel(level_nr);
14966     LoadScore(level_nr);
14967
14968     TapeErase();
14969
14970     ResetUndoBuffer();
14971     DrawEditModeWindow();
14972   }
14973   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
14974   {
14975     SetAutomaticNumberOfGemsNeeded();
14976   }
14977
14978   // do not mark level as modified for certain non-level-changing gadgets
14979   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
14980        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
14981       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
14982        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
14983        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
14984       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
14985     return;
14986
14987   level.changed = TRUE;
14988 }
14989
14990 static void HandleControlButtons(struct GadgetInfo *gi)
14991 {
14992   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
14993   static int last_edit_mode = ED_MODE_DRAWING;
14994   static int last_custom_copy_mode = -1;
14995   static int last_button = 0;
14996   int id = gi->custom_id;
14997   int button = gi->event.button;
14998   int step = BUTTON_STEPSIZE(button);
14999   int new_element = BUTTON_ELEMENT(button);
15000   int last_properties_element = properties_element;
15001   int x, y;
15002
15003   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
15004     DrawLevelText(0, 0, 0, TEXT_END);
15005
15006   if (id < ED_NUM_CTRL1_BUTTONS &&
15007       id != GADGET_ID_SINGLE_ITEMS &&
15008       id != GADGET_ID_PICK_ELEMENT &&
15009       edit_mode != ED_MODE_DRAWING &&
15010       drawing_function != GADGET_ID_PICK_ELEMENT &&
15011       !(GetKeyModState() & KMOD_Control))
15012     ChangeEditModeWindow(ED_MODE_DRAWING);
15013
15014   // element copy mode active, but no element button pressed => deactivate
15015   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
15016     last_custom_copy_mode = -1;
15017
15018   // when showing palette on element buttons, change element of button used
15019   if (editor.palette.show_on_element_buttons &&
15020       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
15021   {
15022     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
15023
15024     id = GADGET_ID_PALETTE;
15025   }
15026
15027   switch (id)
15028   {
15029     case GADGET_ID_SCROLL_LEFT:
15030       if (level_xpos >= 0)
15031       {
15032         if (lev_fieldx < ed_fieldx - 2)
15033           break;
15034
15035         level_xpos -= step;
15036         if (level_xpos < -1)
15037           level_xpos = -1;
15038         if (button == 1)
15039           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
15040         else
15041           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15042
15043         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15044                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15045       }
15046       break;
15047
15048     case GADGET_ID_SCROLL_RIGHT:
15049       if (level_xpos <= lev_fieldx - ed_fieldx)
15050       {
15051         if (lev_fieldx < ed_fieldx - 2)
15052           break;
15053
15054         level_xpos += step;
15055         if (level_xpos > lev_fieldx - ed_fieldx + 1)
15056           level_xpos = lev_fieldx - ed_fieldx + 1;
15057         if (button == 1)
15058           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
15059         else
15060           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15061
15062         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15063                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15064       }
15065       break;
15066
15067     case GADGET_ID_SCROLL_UP:
15068       if (level_ypos >= 0)
15069       {
15070         if (lev_fieldy < ed_fieldy - 2)
15071           break;
15072
15073         level_ypos -= step;
15074         if (level_ypos < -1)
15075           level_ypos = -1;
15076         if (button == 1)
15077           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
15078         else
15079           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15080
15081         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15082                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15083       }
15084       break;
15085
15086     case GADGET_ID_SCROLL_DOWN:
15087       if (level_ypos <= lev_fieldy - ed_fieldy)
15088       {
15089         if (lev_fieldy < ed_fieldy - 2)
15090           break;
15091
15092         level_ypos += step;
15093         if (level_ypos > lev_fieldy - ed_fieldy + 1)
15094           level_ypos = lev_fieldy - ed_fieldy + 1;
15095         if (button == 1)
15096           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
15097         else
15098           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15099
15100         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15101                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15102       }
15103       break;
15104
15105     case GADGET_ID_SCROLL_HORIZONTAL:
15106       level_xpos = gi->event.item_position - 1;
15107
15108       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15109       BackToFront();
15110
15111       break;
15112
15113     case GADGET_ID_SCROLL_VERTICAL:
15114       level_ypos = gi->event.item_position - 1;
15115
15116       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15117       BackToFront();
15118
15119       break;
15120
15121     case GADGET_ID_SCROLL_LIST_UP:
15122     case GADGET_ID_SCROLL_LIST_DOWN:
15123     case GADGET_ID_SCROLL_LIST_VERTICAL:
15124       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
15125         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
15126       else
15127       {
15128         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
15129         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15130
15131         if (element_shift < 0)
15132           element_shift = 0;
15133         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15134           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15135
15136         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15137                      GDI_SCROLLBAR_ITEM_POSITION,
15138                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15139       }
15140
15141       ModifyEditorElementList();
15142
15143       break;
15144
15145     case GADGET_ID_PROPERTIES:
15146       // always switch off element properties when they are already displayed
15147       last_properties_element = new_element;
15148     case GADGET_ID_ELEMENT_LEFT:
15149     case GADGET_ID_ELEMENT_MIDDLE:
15150     case GADGET_ID_ELEMENT_RIGHT:
15151       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
15152                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
15153                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
15154                             new_element);
15155
15156       if (edit_mode != ED_MODE_PROPERTIES)
15157       {
15158         last_edit_mode = edit_mode;
15159
15160         ChangeEditModeWindow(ED_MODE_PROPERTIES);
15161
15162         last_level_drawing_function = drawing_function;
15163         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15164                       MB_LEFTBUTTON);
15165       }
15166       else if (properties_element != last_properties_element)
15167       {
15168         DrawEditModeWindow();
15169       }
15170       else
15171       {
15172         ChangeEditModeWindow(ED_MODE_DRAWING);
15173
15174         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
15175                       MB_LEFTBUTTON);
15176       }
15177       break;
15178
15179     case GADGET_ID_PALETTE:
15180       if (edit_mode != ED_MODE_PALETTE)
15181       {
15182         last_edit_mode = edit_mode;
15183
15184         ChangeEditModeWindow(ED_MODE_PALETTE);
15185       }
15186       else
15187       {
15188         ChangeEditModeWindow(last_edit_mode);
15189       }
15190       break;
15191
15192     case GADGET_ID_WRAP_LEFT:
15193       WrapLevel(-step, 0);
15194       break;
15195
15196     case GADGET_ID_WRAP_RIGHT:
15197       WrapLevel(step, 0);
15198       break;
15199
15200     case GADGET_ID_WRAP_UP:
15201       WrapLevel(0, -step);
15202       break;
15203
15204     case GADGET_ID_WRAP_DOWN:
15205       WrapLevel(0, step);
15206       break;
15207
15208     case GADGET_ID_SINGLE_ITEMS:
15209     case GADGET_ID_CONNECTED_ITEMS:
15210     case GADGET_ID_LINE:
15211     case GADGET_ID_ARC:
15212     case GADGET_ID_TEXT:
15213     case GADGET_ID_RECTANGLE:
15214     case GADGET_ID_FILLED_BOX:
15215     case GADGET_ID_FLOOD_FILL:
15216     case GADGET_ID_GRAB_BRUSH:
15217     case GADGET_ID_PICK_ELEMENT:
15218       if (drawing_function != GADGET_ID_PICK_ELEMENT)
15219         last_drawing_function = drawing_function;
15220       drawing_function = id;
15221       draw_with_brush = FALSE;
15222       break;
15223
15224     case GADGET_ID_RANDOM_PLACEMENT:
15225       RandomPlacement(new_element);
15226       break;
15227
15228     case GADGET_ID_ZOOM:
15229       // zoom level editor tile size in or out (or reset to default size)
15230       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
15231                      button == 2 ? ed_tilesize_default :
15232                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
15233
15234       // when using touch device, cycle through all zoom tilesizes
15235       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
15236         ed_tilesize = MICRO_TILESIZE;
15237
15238       // limit zoom level by upper and lower bound
15239       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
15240
15241       InitZoomLevelSettings(ed_tilesize);
15242
15243       if (edit_mode == ED_MODE_DRAWING)
15244       {
15245         DrawDrawingWindow();
15246
15247         // redraw zoom gadget info text
15248         PrintEditorGadgetInfoText(level_editor_gadget[id]);
15249       }
15250
15251       // save current editor zoom tilesize
15252       SaveSetup_AutoSetup();
15253
15254       break;
15255
15256     case GADGET_ID_CUSTOM_COPY_FROM:
15257     case GADGET_ID_CUSTOM_COPY_TO:
15258     case GADGET_ID_CUSTOM_EXCHANGE:
15259       last_custom_copy_mode = id;
15260       last_drawing_function = drawing_function;
15261       break;
15262
15263     case GADGET_ID_CUSTOM_COPY:
15264       CopyCustomElement(properties_element, -1, id);
15265       break;
15266
15267     case GADGET_ID_CUSTOM_PASTE:
15268       CopyCustomElement(-1, properties_element, id);
15269       break;
15270
15271     case GADGET_ID_UNDO:
15272       if (button < 0)   // keep button value (even if modifier keys are pressed)
15273         button = -button;
15274       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
15275         button = 3;
15276
15277       if (button == 1 && undo_buffer_steps == 0)
15278       {
15279         Request("Undo buffer empty!", REQ_CONFIRM);
15280
15281         break;
15282       }
15283       else if (button == 2)
15284       {
15285         break;
15286       }
15287       else if (button == 3 && redo_buffer_steps == 0)
15288       {
15289         Request("Redo buffer empty!", REQ_CONFIRM);
15290
15291         break;
15292       }
15293
15294       if (edit_mode != ED_MODE_DRAWING)
15295         ChangeEditModeWindow(ED_MODE_DRAWING);
15296
15297       if (button == 1)
15298       {
15299         // undo
15300
15301         undo_buffer_position =
15302           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
15303
15304         undo_buffer_steps--;
15305         redo_buffer_steps++;
15306       }
15307       else
15308       {
15309         // redo
15310
15311         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15312
15313         undo_buffer_steps++;
15314         redo_buffer_steps--;
15315       }
15316
15317       for (x = 0; x < lev_fieldx; x++)
15318         for (y = 0; y < lev_fieldy; y++)
15319           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
15320
15321       // check if undo operation forces change of border style
15322       CheckLevelBorderElement(FALSE);
15323
15324       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15325
15326       break;
15327
15328     case GADGET_ID_CONF:
15329       if (edit_mode != ED_MODE_LEVELCONFIG)
15330       {
15331         last_edit_mode = edit_mode;
15332
15333         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
15334       }
15335       else
15336       {
15337         ChangeEditModeWindow(ED_MODE_DRAWING);
15338       }
15339       break;
15340
15341     case GADGET_ID_CLEAR:
15342       if (edit_mode != ED_MODE_DRAWING)
15343         ChangeEditModeWindow(ED_MODE_DRAWING);
15344
15345       for (x = 0; x < MAX_LEV_FIELDX; x++)
15346         for (y = 0; y < MAX_LEV_FIELDY; y++)
15347           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
15348
15349       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
15350
15351       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15352       break;
15353
15354     case GADGET_ID_SAVE:
15355     {
15356       // saving read-only levels into personal level set modifies global vars
15357       // "leveldir_current" and "level_nr"; restore them after saving level
15358       LevelDirTree *leveldir_former = leveldir_current;
15359       int level_nr_former = level_nr;
15360       char *level_filename;
15361       boolean new_level;
15362
15363       if (leveldir_current->readonly &&
15364           !PrepareSavingIntoPersonalLevelSet())
15365         break;
15366
15367       level_filename = getDefaultLevelFilename(level_nr);
15368       new_level = !fileExists(level_filename);
15369
15370       if (new_level ||
15371           Request("Save this level and kill the old?", REQ_ASK))
15372       {
15373         if (leveldir_former->readonly)
15374           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
15375
15376         SetAutomaticNumberOfGemsNeeded();
15377
15378         CopyPlayfield(Tile, level.field);
15379         SaveLevel(level_nr);
15380
15381         level.changed = FALSE;
15382
15383         if (new_level)
15384         {
15385           char level_saved_msg[64];
15386
15387           if (leveldir_former->readonly)
15388             sprintf(level_saved_msg,
15389                     "Level saved as level %d into personal level set!",
15390                     level_nr);
15391           else
15392             strcpy(level_saved_msg, "Level saved!");
15393
15394           Request(level_saved_msg, REQ_CONFIRM);
15395         }
15396       }
15397
15398       // "cd" back to copied-from levelset (in case of saved read-only level)
15399       leveldir_current = leveldir_former;
15400       level_nr = level_nr_former;
15401
15402       break;
15403     }
15404
15405     case GADGET_ID_TEST:
15406       if (LevelChanged())
15407         level.game_version = GAME_VERSION_ACTUAL;
15408
15409       CopyPlayfield(level.field, TileBackup);
15410       CopyPlayfield(Tile, level.field);
15411
15412       CopyNativeLevel_RND_to_Native(&level);
15413
15414       UnmapLevelEditorGadgets();
15415       UndrawSpecialEditorDoor();
15416
15417       CloseDoor(DOOR_CLOSE_ALL);
15418
15419       // needed before playing if editor playfield area has different size
15420       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
15421
15422       // redraw_mask = REDRAW_ALL;
15423
15424       level_editor_test_game = TRUE;
15425
15426       StartGameActions(FALSE, setup.autorecord, level.random_seed);
15427
15428       break;
15429
15430     case GADGET_ID_EXIT:
15431       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
15432       break;
15433
15434     default:
15435       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
15436           id <= GADGET_ID_ELEMENTLIST_LAST)
15437       {
15438         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
15439
15440         new_element = editor_elements[element_position + element_shift];
15441
15442         if (IS_EDITOR_CASCADE(new_element))
15443         {
15444           int i;
15445
15446           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
15447           {
15448             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
15449             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
15450
15451             if (*cascade_element == new_element)
15452             {
15453               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
15454               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
15455
15456               // update element selection list
15457               ReinitializeElementList();
15458               ModifyEditorElementList();
15459
15460               // update cascading gadget info text
15461               PrintEditorGadgetInfoText(level_editor_gadget[id]);
15462
15463               // save current editor cascading state
15464               SaveSetup_EditorCascade();
15465
15466               break;
15467             }
15468           }
15469
15470           break;
15471         }
15472
15473         if (last_custom_copy_mode != -1)
15474         {
15475           if (CopyCustomElement(properties_element, new_element,
15476                                 last_custom_copy_mode))
15477           {
15478             ClickOnGadget(level_editor_gadget[last_drawing_function],
15479                           MB_LEFTBUTTON);
15480
15481             last_custom_copy_mode = -1;
15482           }
15483
15484           break;
15485         }
15486
15487         // change element of button used to show palette
15488         if (editor.palette.show_on_element_buttons)
15489           button = last_button;
15490
15491         PickDrawingElement(button, new_element);
15492
15493         if (!stick_element_properties_window &&
15494             drawing_function != GADGET_ID_PICK_ELEMENT &&
15495             !(GetKeyModState() & KMOD_Control))
15496         {
15497           properties_element = new_element;
15498           if (edit_mode == ED_MODE_PROPERTIES)
15499             DrawPropertiesWindow();
15500         }
15501
15502         if (drawing_function == GADGET_ID_PICK_ELEMENT)
15503           ClickOnGadget(level_editor_gadget[last_drawing_function],
15504                         MB_LEFTBUTTON);
15505
15506         if (!use_permanent_palette)
15507           ChangeEditModeWindow(last_edit_mode);
15508       }
15509 #ifdef DEBUG
15510       else if (gi->event.type == GD_EVENT_PRESSED)
15511         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
15512       else if (gi->event.type == GD_EVENT_RELEASED)
15513         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
15514       else if (gi->event.type == GD_EVENT_MOVING)
15515         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
15516       else
15517         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
15518 #endif
15519       break;
15520   }
15521 }
15522
15523 void HandleLevelEditorKeyInput(Key key)
15524 {
15525   char letter = getCharFromKey(key);
15526
15527   if (drawing_function == GADGET_ID_TEXT &&
15528       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
15529   {
15530     if (letter)
15531       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
15532     else if (key == KSYM_Delete || key == KSYM_BackSpace)
15533       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
15534     else if (key == KSYM_Return)
15535       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
15536     else if (key == KSYM_Escape)
15537       DrawLevelText(0, 0, 0, TEXT_END);
15538
15539     return;
15540   }
15541
15542   int id = GADGET_ID_NONE;
15543   int new_element_shift = element_shift;
15544   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
15545   int button = MB_LEFTBUTTON;
15546   int i;
15547
15548   switch (key)
15549   {
15550     case KSYM_Left:
15551       id = GADGET_ID_SCROLL_LEFT;
15552       break;
15553     case KSYM_Right:
15554       id = GADGET_ID_SCROLL_RIGHT;
15555       break;
15556     case KSYM_Up:
15557       id = GADGET_ID_SCROLL_UP;
15558       break;
15559     case KSYM_Down:
15560       id = GADGET_ID_SCROLL_DOWN;
15561       break;
15562
15563     case KSYM_Page_Up:
15564     case KSYM_Page_Down:
15565       step *= (key == KSYM_Page_Up ? -1 : +1);
15566       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15567
15568       if (element_shift < 0)
15569         element_shift = 0;
15570       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15571         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15572
15573       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15574                    GDI_SCROLLBAR_ITEM_POSITION,
15575                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15576
15577       ModifyEditorElementList();
15578
15579       break;
15580
15581     case KSYM_Home:
15582     case KSYM_End:
15583       element_shift = (key == KSYM_Home ? 0 :
15584                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
15585
15586       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15587                    GDI_SCROLLBAR_ITEM_POSITION,
15588                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15589
15590       ModifyEditorElementList();
15591
15592       break;
15593
15594     case KSYM_Insert:
15595     case KSYM_Delete:
15596
15597       // this is needed to prevent interference with running "True X-Mouse"
15598       if (GetKeyModStateFromEvents() & KMOD_Control)
15599         break;
15600
15601       // check for last or next editor cascade block in element list
15602       for (i = 0; i < num_editor_elements; i++)
15603       {
15604         if ((key == KSYM_Insert && i == element_shift) ||
15605             (key == KSYM_Delete && new_element_shift > element_shift))
15606           break;
15607
15608         // jump to next cascade block (or to start of element list)
15609         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
15610           new_element_shift = i;
15611       }
15612
15613       if (i < num_editor_elements)
15614         element_shift = new_element_shift;
15615
15616       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15617         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15618
15619       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15620                    GDI_SCROLLBAR_ITEM_POSITION,
15621                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15622
15623       ModifyEditorElementList();
15624
15625       break;
15626
15627     case KSYM_Escape:
15628       if (edit_mode == ED_MODE_DRAWING)
15629         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
15630       else if (edit_mode == ED_MODE_LEVELCONFIG)
15631         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
15632       else if (edit_mode == ED_MODE_PROPERTIES)
15633         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
15634       else if (edit_mode == ED_MODE_PALETTE)
15635         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
15636       else              // should never happen
15637         ChangeEditModeWindow(ED_MODE_DRAWING);
15638
15639       break;
15640
15641     default:
15642       break;
15643   }
15644
15645   if (id != GADGET_ID_NONE)
15646     ClickOnGadget(level_editor_gadget[id], button);
15647   else if (letter == '1' || letter == '?')
15648     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
15649   else if (letter == '2')
15650     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
15651   else if (letter == '3')
15652     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
15653   else if (letter == '.')
15654     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
15655   else if (letter == 'U')
15656     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
15657   else if (letter == '-' || key == KSYM_KP_Subtract)
15658     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
15659   else if (letter == '0' || key == KSYM_KP_0)
15660     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
15661   else if (letter == '+' || key == KSYM_KP_Add ||
15662            letter == '=')       // ("Shift-=" is "+" on US keyboards)
15663     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
15664   else if (key == KSYM_Return ||
15665            key == KSYM_space ||
15666            key == setup.shortcut.toggle_pause)
15667     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
15668   else
15669     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
15670       if (letter && letter == controlbutton_info[i].shortcut)
15671         if (!anyTextGadgetActive())
15672           ClickOnGadget(level_editor_gadget[i], button);
15673
15674   if (draw_with_brush)
15675   {
15676     if (letter == 'x')
15677       FlipBrushX();
15678     else if (letter == 'y')
15679       FlipBrushY();
15680     else if (letter == 'z')
15681       RotateBrush();
15682   }
15683 }
15684
15685 static void HandleLevelEditorIdle_Properties(void)
15686 {
15687   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
15688   int x = editor.settings.element_graphic.x + element_border;
15689   int y = editor.settings.element_graphic.y + element_border;
15690   static DelayCounter action_delay = { 0 };
15691   int i;
15692
15693   action_delay.value = GameFrameDelay;
15694
15695   if (!DelayReached(&action_delay))
15696     return;
15697
15698   for (i = 0; i < ED_NUM_SELECTBOX; i++)
15699   {
15700     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
15701
15702     if (gi->mapped && gi->active && gi->selectbox.open)
15703       return;
15704   }
15705
15706   DrawEditorElementAnimation(SX + x, SY + y);
15707
15708   redraw_mask |= REDRAW_FIELD;
15709
15710   FrameCounter++;       // increase animation frame counter
15711 }
15712
15713 static void HandleLevelEditorIdle_Drawing(void)
15714 {
15715   static boolean last_highlighted = FALSE;
15716   static boolean last_highlighted_similar = FALSE;
15717   boolean highlighted = (GetKeyModState() & KMOD_Alt);
15718   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
15719
15720   if (highlighted != last_highlighted ||
15721       (highlighted && highlighted_similar != last_highlighted_similar))
15722   {
15723     DrawAreaElementHighlight(highlighted, highlighted_similar);
15724
15725     redraw_mask |= REDRAW_FIELD;
15726   }
15727
15728   last_highlighted = highlighted;
15729   last_highlighted_similar = highlighted_similar;
15730 }
15731
15732 void HandleLevelEditorIdle(void)
15733 {
15734   if (edit_mode == ED_MODE_PROPERTIES)
15735     HandleLevelEditorIdle_Properties();
15736   else if (edit_mode == ED_MODE_DRAWING)
15737     HandleLevelEditorIdle_Drawing();
15738 }
15739
15740 static void ClearEditorGadgetInfoText(void)
15741 {
15742   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
15743 }
15744
15745 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
15746 {
15747   char infotext[MAX_OUTPUT_LINESIZE + 1];
15748   int max_infotext_len = getMaxInfoTextLength();
15749
15750   if (gi == NULL || strlen(gi->info_text) == 0)
15751     return;
15752
15753   strncpy(infotext, gi->info_text, max_infotext_len);
15754   infotext[max_infotext_len] = '\0';
15755
15756   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
15757   {
15758     int key = controlbutton_info[gi->custom_id].shortcut;
15759
15760     if (key)
15761     {
15762       char shortcut[MAX_OUTPUT_LINESIZE + 1];
15763
15764       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
15765         sprintf(shortcut, " ('.' or '%c')", key);
15766       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
15767         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
15768       else if (gi->custom_id == GADGET_ID_TEST)
15769         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
15770       else if (gi->custom_id == GADGET_ID_UNDO)
15771         sprintf(shortcut, " ('%c/Shift-U')", key);
15772       else if (gi->custom_id == GADGET_ID_ZOOM)
15773         sprintf(shortcut, " ('%c', '0', '-')", key);
15774       else
15775         sprintf(shortcut, " ('%s%c')",
15776                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
15777
15778       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
15779         strcat(infotext, shortcut);
15780     }
15781   }
15782
15783   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
15784 }
15785
15786 void HandleEditorGadgetInfoText(void *ptr)
15787 {
15788   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
15789
15790   if (game_status != GAME_MODE_EDITOR)
15791     return;
15792
15793   ClearEditorGadgetInfoText();
15794
15795   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
15796     return;
15797
15798   // misuse this function to delete brush cursor, if needed
15799   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
15800     DeleteBrushFromCursor();
15801
15802   PrintEditorGadgetInfoText(gi);
15803 }
15804
15805 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
15806 {
15807   int id = gi->custom_id;
15808   int type_id = gi->custom_type_id;
15809   int sx = gi->event.x;
15810   int sy = gi->event.y;
15811   int lx = sx + level_xpos;
15812   int ly = sy + level_ypos;
15813   int min_sx = 0, min_sy = 0;
15814   int max_sx = gi->drawing.area_xsize - 1;
15815   int max_sy = gi->drawing.area_ysize - 1;
15816   int actual_drawing_function = drawing_function;
15817   int max_infotext_len = getMaxInfoTextLength();
15818   char infotext[MAX_OUTPUT_LINESIZE + 1];
15819
15820   infotext[0] = '\0';           // start with empty info text
15821
15822   // pressed Control key: simulate picking element
15823   if (GetKeyModState() & KMOD_Control)
15824     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15825
15826   ClearEditorGadgetInfoText();
15827
15828   if (gi->event.type == GD_EVENT_INFO_LEAVING)
15829     return;
15830
15831   // make sure to stay inside drawing area boundaries
15832   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15833   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15834
15835   if (id == GADGET_ID_DRAWING_LEVEL)
15836   {
15837     if (button_status)
15838     {
15839       int min_lx = 0, min_ly = 0;
15840       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15841
15842       // get positions inside level field
15843       lx = sx + level_xpos;
15844       ly = sy + level_ypos;
15845
15846       // make sure to stay inside level field boundaries
15847       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15848       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15849
15850       // correct drawing area positions accordingly
15851       sx = lx - level_xpos;
15852       sy = ly - level_ypos;
15853     }
15854
15855     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
15856     {
15857       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
15858       {
15859         static int start_lx = 0;
15860         static int start_ly = 0;
15861         char *text;
15862
15863         if (gi->event.type == GD_EVENT_PRESSED)
15864         {
15865           start_lx = lx;
15866           start_ly = ly;
15867         }
15868
15869         switch (actual_drawing_function)
15870         {
15871           case GADGET_ID_SINGLE_ITEMS:
15872             text = "Drawing single items";
15873             break;
15874           case GADGET_ID_CONNECTED_ITEMS:
15875             text = "Drawing connected items";
15876             break;
15877           case GADGET_ID_LINE:
15878             text = "Drawing line";
15879             break;
15880           case GADGET_ID_ARC:
15881             text = "Drawing arc";
15882             break;
15883           case GADGET_ID_TEXT:
15884             text = "Setting text cursor";
15885             break;
15886           case GADGET_ID_RECTANGLE:
15887             text = "Drawing rectangle";
15888             break;
15889           case GADGET_ID_FILLED_BOX:
15890             text = "Drawing filled box";
15891             break;
15892           case GADGET_ID_FLOOD_FILL:
15893             text = "Flood fill";
15894             break;
15895           case GADGET_ID_GRAB_BRUSH:
15896             text = "Grabbing brush";
15897             break;
15898           case GADGET_ID_PICK_ELEMENT:
15899             text = "Picking element";
15900             break;
15901
15902           default:
15903             text = "Drawing position";
15904             break;
15905         }
15906
15907         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15908           sprintf(infotext, "%s: %d, %d", text, lx, ly);
15909         else
15910           sprintf(infotext, "%s: %d, %d", text,
15911                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
15912       }
15913       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15914         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
15915       else
15916         sprintf(infotext, "Level position: %d, %d", lx, ly);
15917     }
15918
15919     // misuse this function to draw brush cursor, if needed
15920     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
15921     {
15922       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
15923         CopyBrushToCursor(sx, sy);
15924       else
15925         DeleteBrushFromCursor();
15926     }
15927
15928     if (!draw_with_brush)
15929       UpdateBrushPosition(sx, sy);
15930   }
15931   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15932   {
15933     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15934     int element = drawingarea_info[type_id].value[pos];
15935
15936     strncpy(infotext, getElementInfoText(element), max_infotext_len);
15937   }
15938   else
15939   {
15940     if (id == GADGET_ID_CUSTOM_CONTENT)
15941       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
15942     else if (id == GADGET_ID_GROUP_CONTENT)
15943       sprintf(infotext, "group element position: %d", sx + 1);
15944     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
15945              id <= GADGET_ID_YAMYAM_CONTENT_7)
15946       sprintf(infotext, "content area %d position: %d, %d",
15947               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
15948     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
15949              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
15950       sprintf(infotext, "content area %d position: %d, %d",
15951               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
15952     else if (id == GADGET_ID_ANDROID_CONTENT)
15953       sprintf(infotext, "android element position: %d", sx + 1);
15954     else if (drawingarea_info[type_id].infotext != NULL)
15955       strcpy(infotext, drawingarea_info[type_id].infotext);
15956   }
15957
15958   infotext[max_infotext_len] = '\0';
15959
15960   if (strlen(infotext) > 0)
15961     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
15962 }
15963
15964 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
15965                             boolean quick_quit)
15966 {
15967   if (!ask_if_level_has_changed ||
15968       !LevelChanged() ||
15969       Request("Level has changed! Exit without saving?",
15970               REQ_ASK | REQ_STAY_OPEN))
15971   {
15972     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
15973     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
15974
15975     // draw normal door
15976     UndrawSpecialEditorDoor();
15977
15978     // use door animation if door 1 viewport is unchanged and contains toolbox
15979     if (useEditorDoorAnimation())
15980       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
15981
15982     // close editor doors if viewport definition is the same as in main menu
15983     if (vp_door_1->x      == DX     &&
15984         vp_door_1->y      == DY     &&
15985         vp_door_1->width  == DXSIZE &&
15986         vp_door_1->height == DYSIZE &&
15987         vp_door_2->x      == VX     &&
15988         vp_door_2->y      == VY     &&
15989         vp_door_2->width  == VXSIZE &&
15990         vp_door_2->height == VYSIZE)
15991       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
15992     else
15993       SetDoorState(DOOR_CLOSE_ALL);
15994
15995     BackToFront();
15996
15997     if (quick_quit)
15998       FadeSkipNextFadeIn();
15999
16000     SetGameStatus(GAME_MODE_MAIN);
16001
16002     DrawMainMenu();
16003   }
16004   else
16005   {
16006     if (!global.use_envelope_request)
16007     {
16008       CloseDoor(DOOR_CLOSE_1);
16009       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
16010     }
16011   }
16012 }