src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 // ----------------------------------------------------------------------------
  29 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_COLS             MAX(1, editor.palette.cols)
  69 #define ED_ELEMENTLIST_ROWS             MAX(1, editor.palette.rows)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (ED_ELEMENTLIST_COLS)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (ED_ELEMENTLIST_ROWS)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 // standard distances
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 // values for drawingarea gadgets
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 // values for checkbutton gadgets
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 // values for element content drawing areas
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 // element content
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 // yamyam content
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 // magic ball content
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 // values for scrolling gadgets for drawing area
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 // values for scrolling gadgets for element list
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_X              (editor.settings.tooltip.x)
 350 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 351 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 352 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 353 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 354                                       SYSIZE - INFOTEXT_YSIZE)
 355
 356
 357 // ----------------------------------------------------------------------------
 358 // editor gadget definitions
 359 // ----------------------------------------------------------------------------
 360
 361 enum
 362 {
 363   GADGET_ID_NONE = -1,
 364
 365   // drawing toolbox buttons
 366
 367   GADGET_ID_SINGLE_ITEMS,
 368   GADGET_ID_CONNECTED_ITEMS,
 369   GADGET_ID_LINE,
 370   GADGET_ID_ARC,
 371   GADGET_ID_RECTANGLE,
 372   GADGET_ID_FILLED_BOX,
 373   GADGET_ID_WRAP_UP,
 374   GADGET_ID_TEXT,
 375   GADGET_ID_FLOOD_FILL,
 376   GADGET_ID_WRAP_LEFT,
 377   GADGET_ID_ZOOM,
 378   GADGET_ID_WRAP_RIGHT,
 379   GADGET_ID_RANDOM_PLACEMENT,
 380   GADGET_ID_GRAB_BRUSH,
 381   GADGET_ID_WRAP_DOWN,
 382   GADGET_ID_PICK_ELEMENT,
 383
 384   GADGET_ID_UNDO,
 385   GADGET_ID_CONF,
 386   GADGET_ID_SAVE,
 387   GADGET_ID_CLEAR,
 388   GADGET_ID_TEST,
 389   GADGET_ID_EXIT,
 390
 391   GADGET_ID_CUSTOM_COPY_FROM,
 392   GADGET_ID_CUSTOM_COPY_TO,
 393   GADGET_ID_CUSTOM_EXCHANGE,
 394   GADGET_ID_CUSTOM_COPY,
 395   GADGET_ID_CUSTOM_PASTE,
 396
 397   GADGET_ID_PROPERTIES,
 398   GADGET_ID_ELEMENT_LEFT,
 399   GADGET_ID_ELEMENT_MIDDLE,
 400   GADGET_ID_ELEMENT_RIGHT,
 401   GADGET_ID_PALETTE,
 402
 403   // counter gadget identifiers
 404
 405   GADGET_ID_SELECT_LEVEL_DOWN,
 406   GADGET_ID_SELECT_LEVEL_TEXT,
 407   GADGET_ID_SELECT_LEVEL_UP,
 408   GADGET_ID_LEVEL_XSIZE_DOWN,
 409   GADGET_ID_LEVEL_XSIZE_TEXT,
 410   GADGET_ID_LEVEL_XSIZE_UP,
 411   GADGET_ID_LEVEL_YSIZE_DOWN,
 412   GADGET_ID_LEVEL_YSIZE_TEXT,
 413   GADGET_ID_LEVEL_YSIZE_UP,
 414   GADGET_ID_LEVEL_RANDOM_DOWN,
 415   GADGET_ID_LEVEL_RANDOM_TEXT,
 416   GADGET_ID_LEVEL_RANDOM_UP,
 417   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 418   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 419   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 420   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 421   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 422   GADGET_ID_LEVEL_TIMELIMIT_UP,
 423   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 424   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 425   GADGET_ID_LEVEL_TIMESCORE_UP,
 426   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 427   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 428   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 429   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 430   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 431   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 432   GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,
 433   GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,
 434   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
 435   GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,
 436   GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,
 437   GADGET_ID_BD_CYCLE_DELAY_C64_UP,
 438   GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,
 439   GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,
 440   GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
 441   GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,
 442   GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,
 443   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
 444   GADGET_ID_BD_PUSHING_PROB_DOWN,
 445   GADGET_ID_BD_PUSHING_PROB_TEXT,
 446   GADGET_ID_BD_PUSHING_PROB_UP,
 447   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,
 448   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,
 449   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
 450   GADGET_ID_ELEMENT_VALUE1_DOWN,
 451   GADGET_ID_ELEMENT_VALUE1_TEXT,
 452   GADGET_ID_ELEMENT_VALUE1_UP,
 453   GADGET_ID_ELEMENT_VALUE2_DOWN,
 454   GADGET_ID_ELEMENT_VALUE2_TEXT,
 455   GADGET_ID_ELEMENT_VALUE2_UP,
 456   GADGET_ID_ELEMENT_VALUE3_DOWN,
 457   GADGET_ID_ELEMENT_VALUE3_TEXT,
 458   GADGET_ID_ELEMENT_VALUE3_UP,
 459   GADGET_ID_ELEMENT_VALUE4_DOWN,
 460   GADGET_ID_ELEMENT_VALUE4_TEXT,
 461   GADGET_ID_ELEMENT_VALUE4_UP,
 462   GADGET_ID_YAMYAM_CONTENT_DOWN,
 463   GADGET_ID_YAMYAM_CONTENT_TEXT,
 464   GADGET_ID_YAMYAM_CONTENT_UP,
 465   GADGET_ID_BALL_CONTENT_DOWN,
 466   GADGET_ID_BALL_CONTENT_TEXT,
 467   GADGET_ID_BALL_CONTENT_UP,
 468   GADGET_ID_ANDROID_CONTENT_DOWN,
 469   GADGET_ID_ANDROID_CONTENT_TEXT,
 470   GADGET_ID_ANDROID_CONTENT_UP,
 471   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 472   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 473   GADGET_ID_ENVELOPE_XSIZE_UP,
 474   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 475   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 476   GADGET_ID_ENVELOPE_YSIZE_UP,
 477   GADGET_ID_INVENTORY_SIZE_DOWN,
 478   GADGET_ID_INVENTORY_SIZE_TEXT,
 479   GADGET_ID_INVENTORY_SIZE_UP,
 480   GADGET_ID_MM_BALL_CONTENT_DOWN,
 481   GADGET_ID_MM_BALL_CONTENT_TEXT,
 482   GADGET_ID_MM_BALL_CONTENT_UP,
 483   GADGET_ID_CUSTOM_SCORE_DOWN,
 484   GADGET_ID_CUSTOM_SCORE_TEXT,
 485   GADGET_ID_CUSTOM_SCORE_UP,
 486   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 487   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 488   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 489   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 490   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 491   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 492   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 493   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 494   GADGET_ID_CUSTOM_VALUE_RND_UP,
 495   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 496   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 497   GADGET_ID_PUSH_DELAY_FIX_UP,
 498   GADGET_ID_PUSH_DELAY_RND_DOWN,
 499   GADGET_ID_PUSH_DELAY_RND_TEXT,
 500   GADGET_ID_PUSH_DELAY_RND_UP,
 501   GADGET_ID_DROP_DELAY_FIX_DOWN,
 502   GADGET_ID_DROP_DELAY_FIX_TEXT,
 503   GADGET_ID_DROP_DELAY_FIX_UP,
 504   GADGET_ID_DROP_DELAY_RND_DOWN,
 505   GADGET_ID_DROP_DELAY_RND_TEXT,
 506   GADGET_ID_DROP_DELAY_RND_UP,
 507   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 508   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 509   GADGET_ID_MOVE_DELAY_FIX_UP,
 510   GADGET_ID_MOVE_DELAY_RND_DOWN,
 511   GADGET_ID_MOVE_DELAY_RND_TEXT,
 512   GADGET_ID_MOVE_DELAY_RND_UP,
 513   GADGET_ID_STEP_DELAY_FIX_DOWN,
 514   GADGET_ID_STEP_DELAY_FIX_TEXT,
 515   GADGET_ID_STEP_DELAY_FIX_UP,
 516   GADGET_ID_STEP_DELAY_RND_DOWN,
 517   GADGET_ID_STEP_DELAY_RND_TEXT,
 518   GADGET_ID_STEP_DELAY_RND_UP,
 519   GADGET_ID_EXPLOSION_DELAY_DOWN,
 520   GADGET_ID_EXPLOSION_DELAY_TEXT,
 521   GADGET_ID_EXPLOSION_DELAY_UP,
 522   GADGET_ID_IGNITION_DELAY_DOWN,
 523   GADGET_ID_IGNITION_DELAY_TEXT,
 524   GADGET_ID_IGNITION_DELAY_UP,
 525   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 526   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 527   GADGET_ID_CHANGE_DELAY_FIX_UP,
 528   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 529   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 530   GADGET_ID_CHANGE_DELAY_RND_UP,
 531   GADGET_ID_CHANGE_CONT_RND_DOWN,
 532   GADGET_ID_CHANGE_CONT_RND_TEXT,
 533   GADGET_ID_CHANGE_CONT_RND_UP,
 534   GADGET_ID_GROUP_CONTENT_DOWN,
 535   GADGET_ID_GROUP_CONTENT_TEXT,
 536   GADGET_ID_GROUP_CONTENT_UP,
 537
 538   // drawing area identifiers
 539
 540   GADGET_ID_DRAWING_LEVEL,
 541   GADGET_ID_YAMYAM_CONTENT_0,
 542   GADGET_ID_YAMYAM_CONTENT_1,
 543   GADGET_ID_YAMYAM_CONTENT_2,
 544   GADGET_ID_YAMYAM_CONTENT_3,
 545   GADGET_ID_YAMYAM_CONTENT_4,
 546   GADGET_ID_YAMYAM_CONTENT_5,
 547   GADGET_ID_YAMYAM_CONTENT_6,
 548   GADGET_ID_YAMYAM_CONTENT_7,
 549   GADGET_ID_MAGIC_BALL_CONTENT_0,
 550   GADGET_ID_MAGIC_BALL_CONTENT_1,
 551   GADGET_ID_MAGIC_BALL_CONTENT_2,
 552   GADGET_ID_MAGIC_BALL_CONTENT_3,
 553   GADGET_ID_MAGIC_BALL_CONTENT_4,
 554   GADGET_ID_MAGIC_BALL_CONTENT_5,
 555   GADGET_ID_MAGIC_BALL_CONTENT_6,
 556   GADGET_ID_MAGIC_BALL_CONTENT_7,
 557   GADGET_ID_ANDROID_CONTENT,
 558   GADGET_ID_AMOEBA_CONTENT,
 559   GADGET_ID_BD_SNAP_ELEMENT,
 560   GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO,
 561   GADGET_ID_BD_MAGIC_WALL_ROCK_TO,
 562   GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
 563   GADGET_ID_BD_MAGIC_WALL_NUT_TO,
 564   GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
 565   GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
 566   GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
 567   GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,
 568   GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,
 569   GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
 570   GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
 571   GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
 572   GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
 573   GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
 574   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
 575   GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
 576   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
 577   GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
 578   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
 579   GADGET_ID_BD_ACID_EATS_ELEMENT,
 580   GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,
 581   GADGET_ID_BD_BITER_EATS_ELEMENT,
 582   GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
 583   GADGET_ID_BD_NUT_CONTENT,
 584   GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
 585   GADGET_ID_BD_SAND_LOOKS_LIKE,
 586   GADGET_ID_START_ELEMENT,
 587   GADGET_ID_ARTWORK_ELEMENT,
 588   GADGET_ID_EXPLOSION_ELEMENT,
 589   GADGET_ID_INVENTORY_CONTENT,
 590   GADGET_ID_MM_BALL_CONTENT,
 591   GADGET_ID_CUSTOM_GRAPHIC,
 592   GADGET_ID_CUSTOM_CONTENT,
 593   GADGET_ID_CUSTOM_MOVE_ENTER,
 594   GADGET_ID_CUSTOM_MOVE_LEAVE,
 595   GADGET_ID_CUSTOM_CHANGE_TARGET,
 596   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 597   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 598   GADGET_ID_CUSTOM_CHANGE_ACTION,
 599   GADGET_ID_GROUP_CONTENT,
 600   GADGET_ID_RANDOM_BACKGROUND,
 601
 602   // text input identifiers
 603
 604   GADGET_ID_LEVEL_NAME,
 605   GADGET_ID_LEVEL_AUTHOR,
 606   GADGET_ID_LEVELSET_NAME,
 607   GADGET_ID_LEVELSET_AUTHOR,
 608   GADGET_ID_ELEMENT_NAME,
 609
 610   // text area identifiers
 611
 612   GADGET_ID_ENVELOPE_INFO,
 613
 614   // selectbox identifiers
 615
 616   GADGET_ID_TIME_OR_STEPS,
 617   GADGET_ID_TIME_SCORE_BASE,
 618   GADGET_ID_GAME_ENGINE_TYPE,
 619   GADGET_ID_BD_SCHEDULING_TYPE,
 620   GADGET_ID_LEVELSET_SAVE_MODE,
 621   GADGET_ID_WIND_DIRECTION,
 622   GADGET_ID_PLAYER_SPEED,
 623   GADGET_ID_MM_BALL_CHOICE_MODE,
 624   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 625   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 626   GADGET_ID_CUSTOM_DEADLINESS,
 627   GADGET_ID_CUSTOM_MOVE_PATTERN,
 628   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 629   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 630   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 631   GADGET_ID_CUSTOM_SMASH_TARGETS,
 632   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 633   GADGET_ID_CUSTOM_ACCESS_TYPE,
 634   GADGET_ID_CUSTOM_ACCESS_LAYER,
 635   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 636   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 637   GADGET_ID_CHANGE_TIME_UNITS,
 638   GADGET_ID_CHANGE_DIRECT_ACTION,
 639   GADGET_ID_CHANGE_OTHER_ACTION,
 640   GADGET_ID_CHANGE_SIDE,
 641   GADGET_ID_CHANGE_PLAYER,
 642   GADGET_ID_CHANGE_PAGE,
 643   GADGET_ID_CHANGE_REPLACE_WHEN,
 644   GADGET_ID_ACTION_TYPE,
 645   GADGET_ID_ACTION_MODE,
 646   GADGET_ID_ACTION_ARG,
 647   GADGET_ID_SELECT_CHANGE_PAGE,
 648   GADGET_ID_GROUP_CHOICE_MODE,
 649
 650   // textbutton identifiers
 651
 652   GADGET_ID_LEVELCONFIG_LEVEL,
 653   GADGET_ID_LEVELCONFIG_LEVELSET,
 654   GADGET_ID_LEVELCONFIG_EDITOR,
 655   GADGET_ID_LEVELCONFIG_ENGINE,
 656   GADGET_ID_PROPERTIES_INFO,
 657   GADGET_ID_PROPERTIES_CONFIG,
 658   GADGET_ID_PROPERTIES_CONFIG_1,
 659   GADGET_ID_PROPERTIES_CONFIG_2,
 660   GADGET_ID_PROPERTIES_CHANGE,
 661   GADGET_ID_SAVE_AS_TEMPLATE_1,
 662   GADGET_ID_SAVE_AS_TEMPLATE_2,
 663   GADGET_ID_SAVE_LEVELSET,
 664   GADGET_ID_ADD_CHANGE_PAGE,
 665   GADGET_ID_DEL_CHANGE_PAGE,
 666
 667   // graphicbutton identifiers
 668
 669   GADGET_ID_PREV_CHANGE_PAGE,
 670   GADGET_ID_NEXT_CHANGE_PAGE,
 671   GADGET_ID_COPY_CHANGE_PAGE,
 672   GADGET_ID_PASTE_CHANGE_PAGE,
 673
 674   // gadgets for scrolling of drawing area
 675
 676   GADGET_ID_SCROLL_UP,
 677   GADGET_ID_SCROLL_DOWN,
 678   GADGET_ID_SCROLL_LEFT,
 679   GADGET_ID_SCROLL_RIGHT,
 680   GADGET_ID_SCROLL_HORIZONTAL,
 681   GADGET_ID_SCROLL_VERTICAL,
 682
 683   // gadgets for scrolling element list
 684
 685   GADGET_ID_SCROLL_LIST_UP,
 686   GADGET_ID_SCROLL_LIST_DOWN,
 687   GADGET_ID_SCROLL_LIST_VERTICAL,
 688
 689   // checkbuttons/radiobuttons for level/element properties
 690
 691   GADGET_ID_AUTO_COUNT_GEMS,
 692   GADGET_ID_RATE_TIME_OVER_SCORE,
 693   GADGET_ID_USE_LEVELSET_ARTWORK,
 694   GADGET_ID_COPY_LEVEL_TEMPLATE,
 695   GADGET_ID_RANDOM_PERCENTAGE,
 696   GADGET_ID_RANDOM_QUANTITY,
 697   GADGET_ID_RANDOM_RESTRICTED,
 698   GADGET_ID_BD_INTERMISSION,
 699   GADGET_ID_BD_PAL_TIMING,
 700   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 701   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 702   GADGET_ID_BD_SHORT_EXPLOSIONS,
 703   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 704   GADGET_ID_STICK_ELEMENT,
 705   GADGET_ID_EM_SLIPPERY_GEMS,
 706   GADGET_ID_EM_EXPLODES_BY_FIRE,
 707   GADGET_ID_USE_SPRING_BUG,
 708   GADGET_ID_USE_TIME_ORB_BUG,
 709   GADGET_ID_USE_LIFE_BUGS,
 710   GADGET_ID_RANDOM_BALL_CONTENT,
 711   GADGET_ID_INITIAL_BALL_ACTIVE,
 712   GADGET_ID_GROW_INTO_DIGGABLE,
 713   GADGET_ID_SB_FIELDS_NEEDED,
 714   GADGET_ID_SB_OBJECTS_NEEDED,
 715   GADGET_ID_AUTO_EXIT_SOKOBAN,
 716   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 717   GADGET_ID_FINISH_DIG_COLLECT,
 718   GADGET_ID_KEEP_WALKABLE_CE,
 719   GADGET_ID_CONTINUOUS_SNAPPING,
 720   GADGET_ID_BLOCK_SNAP_FIELD,
 721   GADGET_ID_BLOCK_LAST_FIELD,
 722   GADGET_ID_SP_BLOCK_LAST_FIELD,
 723   GADGET_ID_INSTANT_RELOCATION,
 724   GADGET_ID_SHIFTED_RELOCATION,
 725   GADGET_ID_LAZY_RELOCATION,
 726   GADGET_ID_USE_START_ELEMENT,
 727   GADGET_ID_USE_ARTWORK_ELEMENT,
 728   GADGET_ID_USE_EXPLOSION_ELEMENT,
 729   GADGET_ID_INITIAL_GRAVITY,
 730   GADGET_ID_USE_INITIAL_INVENTORY,
 731   GADGET_ID_CAN_PASS_TO_WALKABLE,
 732   GADGET_ID_CAN_FALL_INTO_ACID,
 733   GADGET_ID_CAN_MOVE_INTO_ACID,
 734   GADGET_ID_DONT_COLLIDE_WITH,
 735   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 736   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 737   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 738   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 739   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 740   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 741   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 742   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 743   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 744   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 745   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 746   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 747   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 748   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 749   GADGET_ID_BD_REPLICATORS_ACTIVE,
 750   GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,
 751   GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,
 752   GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,
 753   GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,
 754   GADGET_ID_BD_CREATURES_START_BACKWARDS,
 755   GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,
 756   GADGET_ID_ENVELOPE_AUTOWRAP,
 757   GADGET_ID_ENVELOPE_CENTERED,
 758   GADGET_ID_MM_LASER_RED,
 759   GADGET_ID_MM_LASER_GREEN,
 760   GADGET_ID_MM_LASER_BLUE,
 761   GADGET_ID_DF_LASER_RED,
 762   GADGET_ID_DF_LASER_GREEN,
 763   GADGET_ID_DF_LASER_BLUE,
 764   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 765   GADGET_ID_EXPLODE_MM_BALL,
 766   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 767   GADGET_ID_CUSTOM_CAN_EXPLODE,
 768   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 769   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 770   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 771   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 772   GADGET_ID_CUSTOM_DEADLY,
 773   GADGET_ID_CUSTOM_CAN_MOVE,
 774   GADGET_ID_CUSTOM_CAN_FALL,
 775   GADGET_ID_CUSTOM_CAN_SMASH,
 776   GADGET_ID_CUSTOM_SLIPPERY,
 777   GADGET_ID_CUSTOM_ACCESSIBLE,
 778   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 779   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 780   GADGET_ID_CUSTOM_USE_GRAPHIC,
 781   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 782   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 783   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 784   GADGET_ID_CUSTOM_CAN_CHANGE,
 785   GADGET_ID_CHANGE_USE_CONTENT,
 786   GADGET_ID_CHANGE_USE_EXPLOSION,
 787   GADGET_ID_CHANGE_ONLY_COMPLETE,
 788   GADGET_ID_CHANGE_USE_RANDOM,
 789   GADGET_ID_CHANGE_HAS_ACTION,
 790   GADGET_ID_CHANGE_DELAY,
 791   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 792   GADGET_ID_CHANGE_BY_OTHER_ACT,
 793
 794   NUM_STATIC_GADGET_IDS
 795 };
 796
 797 // gadgets for buttons in element list (dynamic)
 798 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 799 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 800                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 801
 802 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 803
 804 // radio button numbers
 805 enum
 806 {
 807   RADIO_NR_NONE,
 808   RADIO_NR_DRAWING_TOOLBOX,
 809   RADIO_NR_RANDOM_ELEMENTS
 810 };
 811
 812 // values for counter gadgets
 813 enum
 814 {
 815   ED_COUNTER_ID_SELECT_LEVEL,
 816   ED_COUNTER_ID_LEVEL_XSIZE,
 817   ED_COUNTER_ID_LEVEL_YSIZE,
 818   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 819   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 820   ED_COUNTER_ID_LEVEL_TIMESCORE,
 821   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 822   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 823   ED_COUNTER_ID_LEVEL_RANDOM,
 824   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 825   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 826   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 827   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 828   ED_COUNTER_ID_BD_PUSHING_PROB,
 829   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 830   ED_COUNTER_ID_ELEMENT_VALUE1,
 831   ED_COUNTER_ID_ELEMENT_VALUE2,
 832   ED_COUNTER_ID_ELEMENT_VALUE3,
 833   ED_COUNTER_ID_ELEMENT_VALUE4,
 834   ED_COUNTER_ID_YAMYAM_CONTENT,
 835   ED_COUNTER_ID_BALL_CONTENT,
 836   ED_COUNTER_ID_ANDROID_CONTENT,
 837   ED_COUNTER_ID_ENVELOPE_XSIZE,
 838   ED_COUNTER_ID_ENVELOPE_YSIZE,
 839   ED_COUNTER_ID_INVENTORY_SIZE,
 840   ED_COUNTER_ID_MM_BALL_CONTENT,
 841   ED_COUNTER_ID_CUSTOM_SCORE,
 842   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 843   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 844   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 845   ED_COUNTER_ID_PUSH_DELAY_FIX,
 846   ED_COUNTER_ID_PUSH_DELAY_RND,
 847   ED_COUNTER_ID_DROP_DELAY_FIX,
 848   ED_COUNTER_ID_DROP_DELAY_RND,
 849   ED_COUNTER_ID_MOVE_DELAY_FIX,
 850   ED_COUNTER_ID_MOVE_DELAY_RND,
 851   ED_COUNTER_ID_STEP_DELAY_FIX,
 852   ED_COUNTER_ID_STEP_DELAY_RND,
 853   ED_COUNTER_ID_EXPLOSION_DELAY,
 854   ED_COUNTER_ID_IGNITION_DELAY,
 855   ED_COUNTER_ID_GROUP_CONTENT,
 856   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 857   ED_COUNTER_ID_CHANGE_DELAY_RND,
 858   ED_COUNTER_ID_CHANGE_CONT_RND,
 859
 860   ED_NUM_COUNTERBUTTONS
 861 };
 862
 863 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 864 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 865 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 866 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 867 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 868 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 869
 870 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 871 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 872 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 873 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 874 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 875 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 876
 877 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 878 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 879
 880 // values for scrollbutton gadgets
 881 enum
 882 {
 883   ED_SCROLLBUTTON_ID_AREA_UP,
 884   ED_SCROLLBUTTON_ID_AREA_DOWN,
 885   ED_SCROLLBUTTON_ID_AREA_LEFT,
 886   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 887   ED_SCROLLBUTTON_ID_LIST_UP,
 888   ED_SCROLLBUTTON_ID_LIST_DOWN,
 889
 890   ED_NUM_SCROLLBUTTONS
 891 };
 892
 893 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 894 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 895
 896 // values for scrollbar gadgets
 897 enum
 898 {
 899   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 900   ED_SCROLLBAR_ID_AREA_VERTICAL,
 901   ED_SCROLLBAR_ID_LIST_VERTICAL,
 902
 903   ED_NUM_SCROLLBARS
 904 };
 905
 906 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 907 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 908
 909 // values for text input gadgets
 910 enum
 911 {
 912   ED_TEXTINPUT_ID_LEVEL_NAME,
 913   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 914   ED_TEXTINPUT_ID_LEVELSET_NAME,
 915   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 916   ED_TEXTINPUT_ID_ELEMENT_NAME,
 917
 918   ED_NUM_TEXTINPUT
 919 };
 920
 921 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 922 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 923
 924 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 925 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 926
 927 // values for text area gadgets
 928 enum
 929 {
 930   ED_TEXTAREA_ID_ENVELOPE_INFO,
 931
 932   ED_NUM_TEXTAREAS
 933 };
 934
 935 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 936 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 937
 938 // values for selectbox gadgets
 939 enum
 940 {
 941   ED_SELECTBOX_ID_TIME_OR_STEPS,
 942   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 943   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 944   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 945   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 946   ED_SELECTBOX_ID_WIND_DIRECTION,
 947   ED_SELECTBOX_ID_PLAYER_SPEED,
 948   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 949   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 950   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 951   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 952   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 953   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 954   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 955   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 956   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 957   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 958   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 959   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 960   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 961   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 962   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 963   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 964   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 965   ED_SELECTBOX_ID_CHANGE_SIDE,
 966   ED_SELECTBOX_ID_CHANGE_PLAYER,
 967   ED_SELECTBOX_ID_CHANGE_PAGE,
 968   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 969   ED_SELECTBOX_ID_ACTION_TYPE,
 970   ED_SELECTBOX_ID_ACTION_MODE,
 971   ED_SELECTBOX_ID_ACTION_ARG,
 972   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 973   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 974
 975   ED_NUM_SELECTBOX
 976 };
 977
 978 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 979 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 980
 981 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 982 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 983
 984 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 985 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 986
 987 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 988 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 989 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 990 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 991 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 992 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 993
 994 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 995 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 996
 997 // values for textbutton gadgets
 998 enum
 999 {
1000   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
1001   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
1002   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
1003   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
1004   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
1005   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
1006   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
1007   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
1008   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
1009   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
1010   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
1011   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
1012   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
1013   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
1014
1015   ED_NUM_TEXTBUTTONS
1016 };
1017
1018 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1019 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1020
1021 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
1022 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1023
1024 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1025 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1026
1027 // values for graphicbutton gadgets
1028 enum
1029 {
1030   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1031   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1032   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1033   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1034
1035   ED_NUM_GRAPHICBUTTONS
1036 };
1037
1038 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1039 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1040
1041 // values for checkbutton gadgets
1042 enum
1043 {
1044   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1045   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1046   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1047   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1048   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1049   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1050   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1051   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1052   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1053   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1054   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1055   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1056   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1057   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1058   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1059   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1060   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1061   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1062   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1063   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1064   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1065   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1066   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1067   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1068   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1069   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1070   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1071   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1072   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1073   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1074   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1075   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1076   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1077   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1078   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1079   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1080   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1081   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1082   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1083   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1084   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1085   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1086   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1087   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1088   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1089   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1090   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1091   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1092   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1093   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1094   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1095   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1096   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1097   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1098   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1099   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1100   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1101   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1102   ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
1103   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
1104   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
1105   ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
1106   ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
1107   ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
1108   ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
1109   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1110   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1111   ED_CHECKBUTTON_ID_MM_LASER_RED,
1112   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1113   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1114   ED_CHECKBUTTON_ID_DF_LASER_RED,
1115   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1116   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1117   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1118   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1119   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1120   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1121   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1122   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1123   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1124   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1125   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1126   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1127   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1128   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1129   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1130   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1131   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1132   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1133   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1134   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1135   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1136   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1137   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1138   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1139   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1140   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1141   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1142   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1143   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1144
1145   ED_NUM_CHECKBUTTONS
1146 };
1147
1148 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1149 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1150
1151 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1152 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1153
1154 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1155 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1156
1157 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1158 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL
1159
1160 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1161 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1162 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1163 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1164 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1165 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1166
1167 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1168 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1169
1170 // values for radiobutton gadgets
1171 enum
1172 {
1173   ED_RADIOBUTTON_ID_PERCENTAGE,
1174   ED_RADIOBUTTON_ID_QUANTITY,
1175
1176   ED_NUM_RADIOBUTTONS
1177 };
1178
1179 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1180 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1181
1182 // values for drawing area gadgets
1183 enum
1184 {
1185   ED_DRAWING_ID_DRAWING_LEVEL,
1186   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1187   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1188   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1189   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1190   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1191   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1192   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1193   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1194   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1195   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1196   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1197   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1198   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1199   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1200   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1201   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1202   ED_DRAWING_ID_ANDROID_CONTENT,
1203   ED_DRAWING_ID_AMOEBA_CONTENT,
1204   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1205   ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
1206   ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
1207   ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
1208   ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
1209   ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
1210   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
1211   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
1212   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1213   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1214   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1215   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1216   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1217   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1218   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
1219   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
1220   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
1221   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
1222   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
1223   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
1224   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1225   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1226   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1227   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1228   ED_DRAWING_ID_BD_NUT_CONTENT,
1229   ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
1230   ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
1231   ED_DRAWING_ID_START_ELEMENT,
1232   ED_DRAWING_ID_ARTWORK_ELEMENT,
1233   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1234   ED_DRAWING_ID_INVENTORY_CONTENT,
1235   ED_DRAWING_ID_MM_BALL_CONTENT,
1236   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1237   ED_DRAWING_ID_CUSTOM_CONTENT,
1238   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1239   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1240   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1241   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1242   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1243   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1244   ED_DRAWING_ID_GROUP_CONTENT,
1245   ED_DRAWING_ID_RANDOM_BACKGROUND,
1246
1247   ED_NUM_DRAWING_AREAS
1248 };
1249
1250 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1251 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1252
1253
1254 // ----------------------------------------------------------------------------
1255 // some internally used definitions
1256 // ----------------------------------------------------------------------------
1257
1258 // values for CopyLevelToUndoBuffer()
1259 #define UNDO_IMMEDIATE                  0
1260 #define UNDO_ACCUMULATE                 1
1261
1262 // values for scrollbars
1263 #define ED_SCROLL_NO                    0
1264 #define ED_SCROLL_LEFT                  1
1265 #define ED_SCROLL_RIGHT                 2
1266 #define ED_SCROLL_UP                    4
1267 #define ED_SCROLL_DOWN                  8
1268
1269 // screens in the level editor
1270 #define ED_MODE_DRAWING                 0
1271 #define ED_MODE_LEVELCONFIG             1
1272 #define ED_MODE_PROPERTIES              2
1273 #define ED_MODE_PALETTE                 3
1274
1275 // sub-screens in the global settings section
1276 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1277 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1278 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1279 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1280
1281 // sub-screens in the element properties section
1282 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1283 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1284 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1285 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1286 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1287
1288 // how many steps can be cancelled
1289 #define NUM_UNDO_STEPS                  (64 + 1)
1290
1291 // values for elements with score for certain actions
1292 #define MIN_SCORE                       0
1293 #define MAX_SCORE                       999
1294
1295 // values for elements with count for collecting
1296 #define MIN_COLLECT_COUNT               0
1297 #define MAX_COLLECT_COUNT               999
1298
1299 // values for random placement
1300 #define RANDOM_USE_PERCENTAGE           0
1301 #define RANDOM_USE_QUANTITY             1
1302
1303 // values for level set save mode
1304 #define LEVELSET_SAVE_MODE_UPDATE       0
1305 #define LEVELSET_SAVE_MODE_CREATE       1
1306
1307 // default value for element tile size in drawing area
1308 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1309 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1310
1311
1312 // ----------------------------------------------------------------------------
1313 // some internally used data structure definitions
1314 // ----------------------------------------------------------------------------
1315
1316 static struct
1317 {
1318   int graphic;
1319   int gadget_id;
1320   struct XYTileSize *pos;
1321   int gadget_type;
1322   char *infotext;
1323   char shortcut;
1324 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1325 {
1326   // note: some additional characters are already reserved for "cheat mode"
1327   // shortcuts (":XYZ" style) -- for details, see "events.c"
1328
1329   // ---------- toolbox control buttons ---------------------------------------
1330
1331   {
1332     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1333     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1334     "Draw single items",                        's'
1335   },
1336   {
1337     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1338     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1339     "Draw connected items",                     'd'
1340   },
1341   {
1342     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1343     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1344     "Draw lines",                               'l'
1345   },
1346   {
1347     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1348     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1349     "Draw arcs",                                'a'
1350   },
1351   {
1352     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1353     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1354     "Draw outline rectangles",                  'r'
1355   },
1356   {
1357     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1358     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1359     "Draw filled rectangles",                   'R'
1360   },
1361   {
1362     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1363     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1364     "Wrap (rotate) level up",                   0
1365   },
1366   {
1367     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1368     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1369     "Enter text elements",                      't'
1370   },
1371   {
1372     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1373     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1374     "Flood fill",                               'f'
1375   },
1376   {
1377     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1378     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1379     "Wrap (rotate) level left",                 0
1380   },
1381   {
1382     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1383     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1384     "Zoom level tile size",                     '+'
1385   },
1386   {
1387     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1388     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1389     "Wrap (rotate) level right",                0
1390   },
1391   {
1392     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1393     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1394     "Random element placement",                 0
1395   },
1396   {
1397     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1398     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1399     "Grab brush",                               'b'
1400   },
1401   {
1402     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1403     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1404     "Wrap (rotate) level down",                 0
1405   },
1406   {
1407     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1408     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1409     "Pick drawing element",                     ','
1410   },
1411
1412   // ---------- level control buttons -----------------------------------------
1413
1414   {
1415     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1416     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1417     "Undo/redo last operation",                 'u'
1418   },
1419   {
1420     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1421     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1422     "Level and editor settings",                'I'
1423   },
1424   {
1425     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1426     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1427     "Save level",                               'S'
1428   },
1429   {
1430     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1431     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1432     "Clear level",                              'C'
1433   },
1434   {
1435     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1436     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1437     "Test level",                               'T'
1438   },
1439   {
1440     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1441     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1442     "Exit level editor",                        'E'
1443   },
1444
1445   // ---------- CE and GE control buttons -------------------------------------
1446
1447   {
1448     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1449     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1450     "Copy settings from other element",         0
1451   },
1452   {
1453     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1454     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1455     "Copy settings to other element",           0
1456   },
1457   {
1458     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1459     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1460     "Exchange element with other element",      0
1461   },
1462   {
1463     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1464     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1465     "Copy settings from this element",          0
1466   },
1467   {
1468     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1469     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1470     "Paste settings to this element",           0
1471   },
1472
1473   // ---------- palette control buttons ---------------------------------------
1474
1475   {
1476     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1477     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1478     "Properties of drawing element",            'p'
1479   },
1480   {
1481     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1482     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1483     "Properties of drawing element 1",          '1'
1484   },
1485   {
1486     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1487     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1488     "Properties of drawing element 2",          '2'
1489   },
1490   {
1491     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1492     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1493     "Properties of drawing element 3",          '3'
1494   },
1495   {
1496     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1497     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1498     "Show list of elements",                    'e'
1499   }
1500 };
1501
1502 static int random_placement_value = 10;
1503 static int random_placement_method = RANDOM_USE_QUANTITY;
1504 static int random_placement_background_element = EL_SAND;
1505 static boolean random_placement_background_restricted = FALSE;
1506 static boolean stick_element_properties_window = FALSE;
1507 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1508 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1509 static struct ElementChangeInfo custom_element_change;
1510 static struct ElementGroupInfo group_element_info;
1511 static struct ElementInfo custom_element;
1512
1513 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1514 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1515 static int levelset_num_levels = 100;
1516 static boolean levelset_use_levelset_artwork = FALSE;
1517 static boolean levelset_copy_level_template = FALSE;
1518 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1519
1520 static struct
1521 {
1522   int gadget_type_id;
1523   int x, y;
1524   int min_value, max_value;
1525   int gadget_id_down, gadget_id_up;
1526   int gadget_id_text;
1527   int gadget_id_align;
1528   int *value;
1529   char *text_above, *text_left, *text_right;
1530 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1531 {
1532   // ---------- current level number ------------------------------------------
1533
1534   {
1535     ED_COUNTER_ID_SELECT_LEVEL,
1536     -1, -1,     // these values are not constant, but can change at runtime
1537     1,                                          100,
1538     GADGET_ID_SELECT_LEVEL_DOWN,                GADGET_ID_SELECT_LEVEL_UP,
1539     GADGET_ID_SELECT_LEVEL_TEXT,                GADGET_ID_NONE,
1540     &level_nr,
1541     NULL,                                       NULL, NULL
1542   },
1543
1544   // ---------- level and editor settings -------------------------------------
1545
1546   {
1547     ED_COUNTER_ID_LEVEL_XSIZE,
1548     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1549     MIN_LEV_FIELDX,                             MAX_LEV_FIELDX,
1550     GADGET_ID_LEVEL_XSIZE_DOWN,                 GADGET_ID_LEVEL_XSIZE_UP,
1551     GADGET_ID_LEVEL_XSIZE_TEXT,                 GADGET_ID_NONE,
1552     &level.fieldx,
1553     "Playfield size:",                          NULL, "Width",
1554   },
1555   {
1556     ED_COUNTER_ID_LEVEL_YSIZE,
1557     -1,                                         ED_LEVEL_SETTINGS_YPOS(4),
1558     MIN_LEV_FIELDY,                             MAX_LEV_FIELDY,
1559     GADGET_ID_LEVEL_YSIZE_DOWN,                 GADGET_ID_LEVEL_YSIZE_UP,
1560     GADGET_ID_LEVEL_YSIZE_TEXT,                 GADGET_ID_LEVEL_XSIZE_UP,
1561     &level.fieldy,
1562     NULL,                                       " ", "Height",
1563   },
1564   {
1565     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1566     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
1567     0,                                          999,
1568     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,             GADGET_ID_LEVEL_GEMSLIMIT_UP,
1569     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,             GADGET_ID_NONE,
1570     &level.gems_needed,
1571     NULL,                                       "Number of gems to collect:", NULL
1572   },
1573   {
1574     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1575     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
1576     0,                                          9999,
1577     GADGET_ID_LEVEL_TIMELIMIT_DOWN,             GADGET_ID_LEVEL_TIMELIMIT_UP,
1578     GADGET_ID_LEVEL_TIMELIMIT_TEXT,             GADGET_ID_NONE,
1579     &level.time,
1580     "Time or step limit to solve level:",       NULL, NULL
1581   },
1582   {
1583     ED_COUNTER_ID_LEVEL_TIMESCORE,
1584     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
1585     0,                                          999,
1586     GADGET_ID_LEVEL_TIMESCORE_DOWN,             GADGET_ID_LEVEL_TIMESCORE_UP,
1587     GADGET_ID_LEVEL_TIMESCORE_TEXT,             GADGET_ID_NONE,
1588     &level.score[SC_TIME_BONUS],
1589     "Score for time or steps left:",            NULL, NULL
1590   },
1591   {
1592     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1593     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(13),
1594     0,                                          9999,
1595     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,           GADGET_ID_LEVEL_RANDOM_SEED_UP,
1596     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,           GADGET_ID_NONE,
1597     &level.random_seed,
1598     NULL,                                       "Random seed:", "(0 => random)"
1599   },
1600   {
1601     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1602     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1603     1,                                          MAX_LEVELS,
1604     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,         GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1605     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,         GADGET_ID_NONE,
1606     &levelset_num_levels,
1607     "Number of levels:",                        NULL, NULL,
1608   },
1609   {
1610     ED_COUNTER_ID_LEVEL_RANDOM,
1611     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1612     1,                                          100,
1613     GADGET_ID_LEVEL_RANDOM_DOWN,                GADGET_ID_LEVEL_RANDOM_UP,
1614     GADGET_ID_LEVEL_RANDOM_TEXT,                GADGET_ID_NONE,
1615     &random_placement_value,
1616     "Random element placement:",                NULL, "in"
1617   },
1618   {
1619     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1620     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(3),
1621     50,                                         500,
1622     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,           GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1623     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,           GADGET_ID_NONE,
1624     &level.bd_cycle_delay_ms,
1625     NULL,                                       NULL, "Game cycle delay (ms)"
1626   },
1627   {
1628     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1629     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(3),
1630     0,                                          32,
1631     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,          GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1632     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,          GADGET_ID_NONE,
1633     &level.bd_cycle_delay_c64,
1634     NULL,                                       NULL, "Game cycle delay (C64-style)"
1635   },
1636   {
1637     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1638     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1639     1,                                          40,
1640     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1641     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1642     &level.bd_hatching_delay_cycles,
1643     NULL,                                       NULL, "Hatching delay (cycles)"
1644   },
1645   {
1646     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1647     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1648     1,                                          40,
1649     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1650     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1651     &level.bd_hatching_delay_seconds,
1652     NULL,                                       NULL, "Hatching delay (seconds)"
1653   },
1654
1655   // ---------- element settings: configure (various elements) ----------------
1656
1657   {
1658     ED_COUNTER_ID_BD_PUSHING_PROB,
1659     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1660     0,                                          100,
1661     GADGET_ID_BD_PUSHING_PROB_DOWN,             GADGET_ID_BD_PUSHING_PROB_UP,
1662     GADGET_ID_BD_PUSHING_PROB_TEXT,             GADGET_ID_NONE,
1663     &level.bd_pushing_prob,
1664     NULL,                                       NULL, "Push probability"
1665   },
1666   {
1667     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1668     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1669     0,                                          100,
1670     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1671     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1672     &level.bd_pushing_prob_with_sweet,
1673     NULL,                                       NULL, "Push probability with sweet"
1674   },
1675   {
1676     ED_COUNTER_ID_ELEMENT_VALUE1,
1677     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1678     MIN_SCORE,                                  MAX_SCORE,
1679     GADGET_ID_ELEMENT_VALUE1_DOWN,              GADGET_ID_ELEMENT_VALUE1_UP,
1680     GADGET_ID_ELEMENT_VALUE1_TEXT,              GADGET_ID_NONE,
1681     NULL,                                       // will be set when used
1682     NULL,                                       NULL, NULL
1683   },
1684   {
1685     ED_COUNTER_ID_ELEMENT_VALUE2,
1686     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
1687     MIN_SCORE,                                  MAX_SCORE,
1688     GADGET_ID_ELEMENT_VALUE2_DOWN,              GADGET_ID_ELEMENT_VALUE2_UP,
1689     GADGET_ID_ELEMENT_VALUE2_TEXT,              GADGET_ID_NONE,
1690     NULL,                                       // will be set when used
1691     NULL,                                       NULL, NULL
1692   },
1693   {
1694     ED_COUNTER_ID_ELEMENT_VALUE3,
1695     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1696     MIN_SCORE,                                  MAX_SCORE,
1697     GADGET_ID_ELEMENT_VALUE3_DOWN,              GADGET_ID_ELEMENT_VALUE3_UP,
1698     GADGET_ID_ELEMENT_VALUE3_TEXT,              GADGET_ID_NONE,
1699     NULL,                                       // will be set when used
1700     NULL,                                       NULL, NULL
1701   },
1702   {
1703     ED_COUNTER_ID_ELEMENT_VALUE4,
1704     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1705     MIN_SCORE,                                  MAX_SCORE,
1706     GADGET_ID_ELEMENT_VALUE4_DOWN,              GADGET_ID_ELEMENT_VALUE4_UP,
1707     GADGET_ID_ELEMENT_VALUE4_TEXT,              GADGET_ID_NONE,
1708     NULL,                                       // will be set when used
1709     NULL,                                       NULL, NULL
1710   },
1711   {
1712     ED_COUNTER_ID_YAMYAM_CONTENT,
1713     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1714     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1715     GADGET_ID_YAMYAM_CONTENT_DOWN,              GADGET_ID_YAMYAM_CONTENT_UP,
1716     GADGET_ID_YAMYAM_CONTENT_TEXT,              GADGET_ID_NONE,
1717     &level.num_yamyam_contents,
1718     NULL,                                       NULL, "Number of content areas"
1719   },
1720   {
1721     ED_COUNTER_ID_BALL_CONTENT,
1722     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1723     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1724     GADGET_ID_BALL_CONTENT_DOWN,                GADGET_ID_BALL_CONTENT_UP,
1725     GADGET_ID_BALL_CONTENT_TEXT,                GADGET_ID_NONE,
1726     &level.num_ball_contents,
1727     NULL,                                       NULL, "Number of content areas"
1728   },
1729   {
1730     ED_COUNTER_ID_ANDROID_CONTENT,
1731     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1732     MIN_ANDROID_ELEMENTS,                       MAX_ANDROID_ELEMENTS,
1733     GADGET_ID_ANDROID_CONTENT_DOWN,             GADGET_ID_ANDROID_CONTENT_UP,
1734     GADGET_ID_ANDROID_CONTENT_TEXT,             GADGET_ID_NONE,
1735     &level.num_android_clone_elements,
1736     NULL,                                       NULL, "Number of clonable elements"
1737   },
1738   {
1739     ED_COUNTER_ID_ENVELOPE_XSIZE,
1740     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1741     MIN_ENVELOPE_XSIZE,                         MAX_ENVELOPE_XSIZE,
1742     GADGET_ID_ENVELOPE_XSIZE_DOWN,              GADGET_ID_ENVELOPE_XSIZE_UP,
1743     GADGET_ID_ENVELOPE_XSIZE_TEXT,              GADGET_ID_NONE,
1744     NULL,                                       // will be set when used
1745     NULL,                                       NULL, "Width",
1746   },
1747   {
1748     ED_COUNTER_ID_ENVELOPE_YSIZE,
1749     -1,                                         ED_ELEMENT_SETTINGS_YPOS(0),
1750     MIN_ENVELOPE_YSIZE,                         MAX_ENVELOPE_YSIZE,
1751     GADGET_ID_ENVELOPE_YSIZE_DOWN,              GADGET_ID_ENVELOPE_YSIZE_UP,
1752     GADGET_ID_ENVELOPE_YSIZE_TEXT,              GADGET_ID_ENVELOPE_XSIZE_UP,
1753     NULL,                                       // will be set when used
1754     NULL,                                       " ", "Height",
1755   },
1756   {
1757     ED_COUNTER_ID_INVENTORY_SIZE,
1758     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1759     MIN_INITIAL_INVENTORY_SIZE,                 MAX_INITIAL_INVENTORY_SIZE,
1760     GADGET_ID_INVENTORY_SIZE_DOWN,              GADGET_ID_INVENTORY_SIZE_UP,
1761     GADGET_ID_INVENTORY_SIZE_TEXT,              GADGET_ID_NONE,
1762     &level.initial_inventory_size[0],
1763     NULL,                                       NULL, "Number of inventory elements"
1764   },
1765   {
1766     ED_COUNTER_ID_MM_BALL_CONTENT,
1767     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1768     MIN_ELEMENTS_IN_GROUP,                      MAX_MM_BALL_CONTENTS,
1769     GADGET_ID_MM_BALL_CONTENT_DOWN,             GADGET_ID_MM_BALL_CONTENT_UP,
1770     GADGET_ID_MM_BALL_CONTENT_TEXT,             GADGET_ID_NONE,
1771     &level.num_mm_ball_contents,
1772     NULL,                                       NULL, "Number of content elements"
1773   },
1774
1775   // ---------- element settings: configure 1 (custom elements) ---------------
1776
1777   {
1778     ED_COUNTER_ID_CUSTOM_SCORE,
1779     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
1780     MIN_SCORE,                                  MAX_SCORE,
1781     GADGET_ID_CUSTOM_SCORE_DOWN,                GADGET_ID_CUSTOM_SCORE_UP,
1782     GADGET_ID_CUSTOM_SCORE_TEXT,                GADGET_ID_NONE,
1783     &custom_element.collect_score_initial,
1784     NULL,                                       "CE score", " "
1785   },
1786   {
1787     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1788     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
1789     MIN_COLLECT_COUNT,                          MAX_COLLECT_COUNT,
1790     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,             GADGET_ID_CUSTOM_GEMCOUNT_UP,
1791     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,             GADGET_ID_CUSTOM_SCORE_UP,
1792     &custom_element.collect_count_initial,
1793     NULL,                                       "CE count", NULL
1794   },
1795   {
1796     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1797     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1798     0,                                          9999,
1799     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1800     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,            GADGET_ID_NONE,
1801     &custom_element.ce_value_fixed_initial,
1802     NULL,                                       "CE value", NULL
1803   },
1804   {
1805     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1806     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1807     0,                                          9999,
1808     GADGET_ID_CUSTOM_VALUE_RND_DOWN,            GADGET_ID_CUSTOM_VALUE_RND_UP,
1809     GADGET_ID_CUSTOM_VALUE_RND_TEXT,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1810     &custom_element.ce_value_random_initial,
1811     NULL,                                       "+random", NULL
1812   },
1813   {
1814     ED_COUNTER_ID_PUSH_DELAY_FIX,
1815     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
1816     0,                                          999,
1817     GADGET_ID_PUSH_DELAY_FIX_DOWN,              GADGET_ID_PUSH_DELAY_FIX_UP,
1818     GADGET_ID_PUSH_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1819     &custom_element.push_delay_fixed,
1820     NULL,                                       "Push delay", NULL
1821   },
1822   {
1823     ED_COUNTER_ID_PUSH_DELAY_RND,
1824     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
1825     0,                                          999,
1826     GADGET_ID_PUSH_DELAY_RND_DOWN,              GADGET_ID_PUSH_DELAY_RND_UP,
1827     GADGET_ID_PUSH_DELAY_RND_TEXT,              GADGET_ID_PUSH_DELAY_FIX_UP,
1828     &custom_element.push_delay_random,
1829     NULL,                                       "+random", NULL
1830   },
1831   {
1832     ED_COUNTER_ID_DROP_DELAY_FIX,
1833     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(7),
1834     0,                                          999,
1835     GADGET_ID_DROP_DELAY_FIX_DOWN,              GADGET_ID_DROP_DELAY_FIX_UP,
1836     GADGET_ID_DROP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1837     &custom_element.drop_delay_fixed,
1838     NULL,                                       "Drop delay", NULL
1839   },
1840   {
1841     ED_COUNTER_ID_DROP_DELAY_RND,
1842     -1,                                         ED_ELEMENT_SETTINGS_YPOS(7),
1843     0,                                          999,
1844     GADGET_ID_DROP_DELAY_RND_DOWN,              GADGET_ID_DROP_DELAY_RND_UP,
1845     GADGET_ID_DROP_DELAY_RND_TEXT,              GADGET_ID_DROP_DELAY_FIX_UP,
1846     &custom_element.drop_delay_random,
1847     NULL,                                       "+random", NULL
1848   },
1849
1850   // ---------- element settings: configure 2 (custom elements) ---------------
1851
1852   {
1853     ED_COUNTER_ID_MOVE_DELAY_FIX,
1854     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
1855     0,                                          999,
1856     GADGET_ID_MOVE_DELAY_FIX_DOWN,              GADGET_ID_MOVE_DELAY_FIX_UP,
1857     GADGET_ID_MOVE_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1858     &custom_element.move_delay_fixed,
1859     NULL,                                       "Move delay", NULL
1860   },
1861   {
1862     ED_COUNTER_ID_MOVE_DELAY_RND,
1863     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
1864     0,                                          999,
1865     GADGET_ID_MOVE_DELAY_RND_DOWN,              GADGET_ID_MOVE_DELAY_RND_UP,
1866     GADGET_ID_MOVE_DELAY_RND_TEXT,              GADGET_ID_MOVE_DELAY_FIX_UP,
1867     &custom_element.move_delay_random,
1868     NULL,                                       "+random", NULL
1869   },
1870   {
1871     ED_COUNTER_ID_STEP_DELAY_FIX,
1872     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
1873     0,                                          999,
1874     GADGET_ID_STEP_DELAY_FIX_DOWN,              GADGET_ID_STEP_DELAY_FIX_UP,
1875     GADGET_ID_STEP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1876     &custom_element.step_delay_fixed,
1877     NULL,                                       "Step delay", NULL
1878   },
1879   {
1880     ED_COUNTER_ID_STEP_DELAY_RND,
1881     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
1882     0,                                          999,
1883     GADGET_ID_STEP_DELAY_RND_DOWN,              GADGET_ID_STEP_DELAY_RND_UP,
1884     GADGET_ID_STEP_DELAY_RND_TEXT,              GADGET_ID_STEP_DELAY_FIX_UP,
1885     &custom_element.step_delay_random,
1886     NULL,                                       "+random", NULL
1887   },
1888   {
1889     ED_COUNTER_ID_EXPLOSION_DELAY,
1890     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
1891     0,                                          999,
1892     GADGET_ID_EXPLOSION_DELAY_DOWN,             GADGET_ID_EXPLOSION_DELAY_UP,
1893     GADGET_ID_EXPLOSION_DELAY_TEXT,             GADGET_ID_NONE,
1894     &custom_element.explosion_delay,
1895     NULL,                                       "Explosion delay", NULL
1896   },
1897   {
1898     ED_COUNTER_ID_IGNITION_DELAY,
1899     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
1900     0,                                          999,
1901     GADGET_ID_IGNITION_DELAY_DOWN,              GADGET_ID_IGNITION_DELAY_UP,
1902     GADGET_ID_IGNITION_DELAY_TEXT,              GADGET_ID_NONE,
1903     &custom_element.ignition_delay,
1904     NULL,                                       "Ignition delay", "(by fire)"
1905   },
1906
1907   // ---------- element settings: configure (group elements) ------------------
1908
1909   {
1910     ED_COUNTER_ID_GROUP_CONTENT,
1911     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1912     MIN_ELEMENTS_IN_GROUP,                      MAX_ELEMENTS_IN_GROUP,
1913     GADGET_ID_GROUP_CONTENT_DOWN,               GADGET_ID_GROUP_CONTENT_UP,
1914     GADGET_ID_GROUP_CONTENT_TEXT,               GADGET_ID_NONE,
1915     &group_element_info.num_elements,
1916     NULL,                                       NULL, "Number of elements in group"
1917   },
1918
1919   // ---------- element settings: advanced (custom elements) ------------------
1920
1921   {
1922     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1923     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(2),
1924     0,                                          999,
1925     GADGET_ID_CHANGE_DELAY_FIX_DOWN,            GADGET_ID_CHANGE_DELAY_FIX_UP,
1926     GADGET_ID_CHANGE_DELAY_FIX_TEXT,            GADGET_ID_NONE,
1927     &custom_element_change.delay_fixed,
1928     NULL,                                       "CE delay", NULL,
1929   },
1930   {
1931     ED_COUNTER_ID_CHANGE_DELAY_RND,
1932     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
1933     0,                                          999,
1934     GADGET_ID_CHANGE_DELAY_RND_DOWN,            GADGET_ID_CHANGE_DELAY_RND_UP,
1935     GADGET_ID_CHANGE_DELAY_RND_TEXT,            GADGET_ID_CHANGE_DELAY_FIX_UP,
1936     &custom_element_change.delay_random,
1937     NULL,                                       "+random", NULL
1938   },
1939   {
1940     ED_COUNTER_ID_CHANGE_CONT_RND,
1941     ED_ELEMENT_SETTINGS_XPOS(3),                ED_ELEMENT_SETTINGS_YPOS(12),
1942     0,                                          100,
1943     GADGET_ID_CHANGE_CONT_RND_DOWN,             GADGET_ID_CHANGE_CONT_RND_UP,
1944     GADGET_ID_CHANGE_CONT_RND_TEXT,             GADGET_ID_NONE,
1945     &custom_element_change.random_percentage,
1946     NULL,                                       "Use random replace:", "%"
1947   },
1948 };
1949
1950 static struct
1951 {
1952   int gadget_type_id;
1953   int x, y;
1954   int gadget_id;
1955   int size;
1956   char *value;
1957   char *text_above, *infotext;
1958 } textinput_info[ED_NUM_TEXTINPUT] =
1959 {
1960   {
1961     ED_TEXTINPUT_ID_LEVEL_NAME,
1962     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1963     GADGET_ID_LEVEL_NAME,
1964     MAX_LEVEL_NAME_LEN,
1965     level.name,
1966     "Title:", "Title for this level"
1967   },
1968   {
1969     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1970     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
1971     GADGET_ID_LEVEL_AUTHOR,
1972     MAX_LEVEL_AUTHOR_LEN,
1973     level.author,
1974     "Author:", "Author for this level"
1975   },
1976   {
1977     ED_TEXTINPUT_ID_LEVELSET_NAME,
1978     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1979     GADGET_ID_LEVELSET_NAME,
1980     MAX_LEVEL_NAME_LEN,
1981     levelset_name,
1982     "Title:", "Title for this or new level set"
1983   },
1984   {
1985     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1986     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
1987     GADGET_ID_LEVELSET_AUTHOR,
1988     MAX_LEVEL_AUTHOR_LEN,
1989     levelset_author,
1990     "Author:", "Author for this or new level set"
1991   },
1992   {
1993     ED_TEXTINPUT_ID_ELEMENT_NAME,
1994     -1, -1,     // these values are not constant, but can change at runtime
1995     GADGET_ID_ELEMENT_NAME,
1996     MAX_ELEMENT_NAME_LEN - 2,                   // currently 2 chars less editable
1997     custom_element.description,
1998     NULL, "Element name"
1999   }
2000 };
2001
2002 static struct
2003 {
2004   int gadget_type_id;
2005   int x, y;
2006   int gadget_id;
2007   int xsize, ysize;
2008   char *value;
2009   char *text_above, *text_above_cropped, *infotext;
2010 } textarea_info[ED_NUM_TEXTAREAS] =
2011 {
2012   {
2013     ED_TEXTAREA_ID_ENVELOPE_INFO,
2014     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
2015     GADGET_ID_ENVELOPE_INFO,
2016     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
2017     NULL,
2018     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
2019   }
2020 };
2021
2022 static struct ValueTextInfo options_time_or_steps[] =
2023 {
2024   { 0,                                  "seconds"                       },
2025   { 1,                                  "steps"                         },
2026
2027   { -1,                                 NULL                            }
2028 };
2029
2030 static struct ValueTextInfo options_time_score_base[] =
2031 {
2032   { 1,                                  "per second/step"               },
2033   { 10,                                 "per 10 seconds/steps"          },
2034
2035   { -1,                                 NULL                            }
2036 };
2037
2038 static struct ValueTextInfo options_game_engine_type[] =
2039 {
2040   { GAME_ENGINE_TYPE_RND,               "Rocks'n'Diamonds"              },
2041   { GAME_ENGINE_TYPE_BD,                "Boulder Dash"                  },
2042   { GAME_ENGINE_TYPE_EM,                "Emerald Mine"                  },
2043   { GAME_ENGINE_TYPE_SP,                "Supaplex"                      },
2044   { GAME_ENGINE_TYPE_MM,                "Mirror Magic"                  },
2045
2046   { -1,                                 NULL                            }
2047 };
2048
2049 static struct ValueTextInfo options_levelset_save_mode[] =
2050 {
2051   { LEVELSET_SAVE_MODE_UPDATE,          "Update this level set"         },
2052   { LEVELSET_SAVE_MODE_CREATE,          "Create new level set"          },
2053
2054   { -1,                                 NULL                            }
2055 };
2056
2057 static struct ValueTextInfo options_wind_direction[] =
2058 {
2059   { MV_START_NONE,                      "none"                          },
2060   { MV_START_LEFT,                      "left"                          },
2061   { MV_START_RIGHT,                     "right"                         },
2062   { MV_START_UP,                        "up"                            },
2063   { MV_START_DOWN,                      "down"                          },
2064
2065   { -1,                                 NULL                            }
2066 };
2067
2068 static struct ValueTextInfo options_player_speed[] =
2069 {
2070   { 0,                                  "frozen"                        },
2071   { 1,                                  "very slow"                     },
2072   { 2,                                  "slow"                          },
2073   { 4,                                  "normal"                        },
2074   { 8,                                  "fast"                          },
2075   { 16,                                 "very fast"                     },
2076   { 32,                                 "ultrafast"                     },
2077
2078   { -1,                                 NULL                            }
2079 };
2080
2081 static struct ValueTextInfo options_access_type[] =
2082 {
2083   { EP_WALKABLE,                        "walkable"                      },
2084   { EP_PASSABLE,                        "passable"                      },
2085
2086   { -1,                                 NULL                            }
2087 };
2088
2089 static struct ValueTextInfo options_access_layer[] =
2090 {
2091   { EP_ACCESSIBLE_OVER,                 "over"                          },
2092   { EP_ACCESSIBLE_INSIDE,               "inside"                        },
2093   { EP_ACCESSIBLE_UNDER,                "under"                         },
2094
2095   { -1,                                 NULL                            }
2096 };
2097
2098 static struct ValueTextInfo options_access_protected[] =
2099 {
2100   { 0,                                  "unprotected"                   },
2101   { 1,                                  "protected"                     },
2102
2103   { -1,                                 NULL                            }
2104 };
2105
2106 static struct ValueTextInfo options_access_direction[] =
2107 {
2108   { MV_NO_DIRECTION,                    "no direction"                  },
2109   { MV_LEFT,                            "left"                          },
2110   { MV_RIGHT,                           "right"                         },
2111   { MV_UP,                              "up"                            },
2112   { MV_DOWN,                            "down"                          },
2113   { MV_LEFT  | MV_UP,                   "left + up"                     },
2114   { MV_LEFT  | MV_DOWN,                 "left + down"                   },
2115   { MV_RIGHT | MV_UP,                   "right + up"                    },
2116   { MV_RIGHT | MV_DOWN,                 "right + down"                  },
2117   { MV_HORIZONTAL,                      "horizontal"                    },
2118   { MV_VERTICAL,                        "vertical"                      },
2119   { MV_HORIZONTAL | MV_UP,              "horizontal + up"               },
2120   { MV_HORIZONTAL | MV_DOWN,            "horizontal + down"             },
2121   { MV_VERTICAL   | MV_LEFT,            "vertical + left"               },
2122   { MV_VERTICAL   | MV_RIGHT,           "vertical + right"              },
2123   { MV_ALL_DIRECTIONS,                  "all directions"                },
2124
2125   { -1,                                 NULL                            }
2126 };
2127
2128 static struct ValueTextInfo options_walk_to_action[] =
2129 {
2130   { EP_DIGGABLE,                        "diggable"                      },
2131   { EP_COLLECTIBLE_ONLY,                "collectible"                   },
2132   { EP_DROPPABLE,                       "collectible & droppable"       },
2133   { EP_THROWABLE,                       "collectible & throwable"       },
2134   { EP_PUSHABLE,                        "pushable"                      },
2135
2136   { -1,                                 NULL                            }
2137 };
2138
2139 static struct ValueTextInfo options_move_pattern[] =
2140 {
2141   { MV_LEFT,                            "left"                          },
2142   { MV_RIGHT,                           "right"                         },
2143   { MV_UP,                              "up"                            },
2144   { MV_DOWN,                            "down"                          },
2145   { MV_HORIZONTAL,                      "horizontal"                    },
2146   { MV_VERTICAL,                        "vertical"                      },
2147   { MV_ALL_DIRECTIONS,                  "all directions"                },
2148   { MV_WIND_DIRECTION,                  "wind direction"                },
2149   { MV_TOWARDS_PLAYER,                  "towards player"                },
2150   { MV_AWAY_FROM_PLAYER,                "away from player"              },
2151   { MV_ALONG_LEFT_SIDE,                 "along left side"               },
2152   { MV_ALONG_RIGHT_SIDE,                "along right side"              },
2153   { MV_TURNING_LEFT,                    "turning left"                  },
2154   { MV_TURNING_RIGHT,                   "turning right"                 },
2155   { MV_TURNING_LEFT_RIGHT,              "turning left, right"           },
2156   { MV_TURNING_RIGHT_LEFT,              "turning right, left"           },
2157   { MV_TURNING_RANDOM,                  "turning random"                },
2158   { MV_MAZE_RUNNER,                     "maze runner style"             },
2159   { MV_MAZE_HUNTER,                     "maze hunter style"             },
2160   { MV_WHEN_PUSHED,                     "when pushed"                   },
2161   { MV_WHEN_DROPPED,                    "when dropped/thrown"           },
2162
2163   { -1,                                 NULL                            }
2164 };
2165
2166 static struct ValueTextInfo options_move_direction[] =
2167 {
2168   { MV_START_AUTOMATIC,                 "automatic"                     },
2169   { MV_START_LEFT,                      "left"                          },
2170   { MV_START_RIGHT,                     "right"                         },
2171   { MV_START_UP,                        "up"                            },
2172   { MV_START_DOWN,                      "down"                          },
2173   { MV_START_RANDOM,                    "random"                        },
2174   { MV_START_PREVIOUS,                  "previous"                      },
2175
2176   { -1,                                 NULL                            }
2177 };
2178
2179 static struct ValueTextInfo options_move_stepsize[] =
2180 {
2181   { 0,                                  "not moving"                    },
2182   { 1,                                  "very slow"                     },
2183   { 2,                                  "slow"                          },
2184   { 4,                                  "normal"                        },
2185   { 8,                                  "fast"                          },
2186   { 16,                                 "very fast"                     },
2187   { 32,                                 "even faster"                   },
2188
2189   { -1,                                 NULL                            }
2190 };
2191
2192 static struct ValueTextInfo options_move_leave_type[] =
2193 {
2194   { LEAVE_TYPE_UNLIMITED,               "leave behind"                  },
2195   { LEAVE_TYPE_LIMITED,                 "change it to"                  },
2196
2197   { -1,                                 NULL                            }
2198 };
2199
2200 static struct ValueTextInfo options_smash_targets[] =
2201 {
2202   { EP_CAN_SMASH_PLAYER,                "player"                        },
2203 #if 0
2204   { EP_CAN_SMASH_ENEMIES,               "enemies"                       },
2205 #endif
2206   { EP_CAN_SMASH_EVERYTHING,            "everything"                    },
2207
2208   { -1,                                 NULL                            }
2209 };
2210
2211 static struct ValueTextInfo options_slippery_type[] =
2212 {
2213   { SLIPPERY_ANY_RANDOM,                "random"                        },
2214   { SLIPPERY_ANY_LEFT_RIGHT,            "left, right"                   },
2215   { SLIPPERY_ANY_RIGHT_LEFT,            "right, left"                   },
2216   { SLIPPERY_ONLY_LEFT,                 "only left"                     },
2217   { SLIPPERY_ONLY_RIGHT,                "only right"                    },
2218
2219   { -1,                                 NULL                            }
2220 };
2221
2222 static struct ValueTextInfo options_deadliness[] =
2223 {
2224   { EP_DONT_RUN_INTO,                   "running into"                  },
2225   { EP_DONT_COLLIDE_WITH,               "colliding with"                },
2226   { EP_DONT_GET_HIT_BY,                 "getting hit by"                },
2227   { EP_DONT_TOUCH,                      "touching"                      },
2228
2229   { -1,                                 NULL                            }
2230 };
2231
2232 static struct ValueTextInfo options_explosion_type[] =
2233 {
2234   { EXPLODES_3X3,                       "3x3"                           },
2235   { EXPLODES_CROSS,                     "3+3"                           },
2236   { EXPLODES_1X1,                       "1x1"                           },
2237
2238   { -1,                                 NULL                            }
2239 };
2240
2241 static struct ValueTextInfo options_time_units[] =
2242 {
2243   { 1,                                  "frames"                        },
2244   { FRAMES_PER_SECOND,                  "seconds"                       },
2245
2246   { -1,                                 NULL                            }
2247 };
2248
2249 static struct ValueTextInfo options_change_direct_action[] =
2250 {
2251   { CE_TOUCHED_BY_PLAYER,               "touched by player"             },
2252   { CE_PRESSED_BY_PLAYER,               "pressed by player"             },
2253   { CE_SWITCHED_BY_PLAYER,              "switched by player"            },
2254   { CE_SNAPPED_BY_PLAYER,               "snapped by player"             },
2255   { CE_PUSHED_BY_PLAYER,                "pushed by player"              },
2256   { CE_ENTERED_BY_PLAYER,               "entered by player"             },
2257   { CE_LEFT_BY_PLAYER,                  "left by player"                },
2258   { CE_DROPPED_BY_PLAYER,               "dropped/thrown by player"      },
2259   { CE_SWITCHED,                        "switched"                      },
2260   { CE_HITTING_SOMETHING,               "hitting something"             },
2261   { CE_HIT_BY_SOMETHING,                "hit by something"              },
2262 #if 0
2263   { CE_BLOCKED,                         "blocked"                       },
2264 #endif
2265   { CE_IMPACT,                          "impact (on something)"         },
2266   { CE_SMASHED,                         "smashed (from above)"          },
2267 #if 0
2268   { CE_VALUE_CHANGES,                   "CE value changes"              },
2269   { CE_SCORE_CHANGES,                   "CE score changes"              },
2270 #endif
2271   { CE_VALUE_GETS_ZERO,                 "CE value gets 0"               },
2272   { CE_SCORE_GETS_ZERO,                 "CE score gets 0"               },
2273   { CE_UNDEFINED,                       " "                             },
2274   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2275   { CE_CLICKED_BY_MOUSE,                "clicked by mouse"              },
2276   { CE_PRESSED_BY_MOUSE,                "pressed by mouse"              },
2277   { CE_UNDEFINED,                       " "                             },
2278   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2279   { CE_NEXT_TO_PLAYER,                  "next to player"                },
2280
2281   { -1,                                 NULL                            }
2282 };
2283
2284 static struct ValueTextInfo options_change_other_action[] =
2285 {
2286   { CE_PLAYER_TOUCHES_X,                "player touches"                },
2287   { CE_PLAYER_PRESSES_X,                "player presses"                },
2288   { CE_PLAYER_SWITCHES_X,               "player switches"               },
2289   { CE_PLAYER_SNAPS_X,                  "player snaps"                  },
2290   { CE_PLAYER_PUSHES_X,                 "player pushes"                 },
2291   { CE_PLAYER_ENTERS_X,                 "player enters"                 },
2292   { CE_PLAYER_LEAVES_X,                 "player leaves"                 },
2293   { CE_PLAYER_DIGS_X,                   "player digs"                   },
2294   { CE_PLAYER_COLLECTS_X,               "player collects"               },
2295   { CE_PLAYER_DROPS_X,                  "player drops/throws"           },
2296   { CE_TOUCHING_X,                      "touching"                      },
2297   { CE_HITTING_X,                       "hitting"                       },
2298   { CE_DIGGING_X,                       "digging"                       },
2299   { CE_HIT_BY_X,                        "hit by"                        },
2300   { CE_SWITCH_OF_X,                     "switch of"                     },
2301   { CE_CHANGE_OF_X,                     "change by page of"             },
2302   { CE_EXPLOSION_OF_X,                  "explosion of"                  },
2303   { CE_MOVE_OF_X,                       "move of"                       },
2304   { CE_CREATION_OF_X,                   "creation of"                   },
2305   { CE_VALUE_CHANGES_OF_X,              "CE value changes of"           },
2306   { CE_SCORE_CHANGES_OF_X,              "CE score changes of"           },
2307   { CE_VALUE_GETS_ZERO_OF_X,            "CE value gets 0 of"            },
2308   { CE_SCORE_GETS_ZERO_OF_X,            "CE score gets 0 of"            },
2309   { CE_UNDEFINED,                       " "                             },
2310   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2311   { CE_MOUSE_CLICKED_ON_X,              "mouse clicked on"              },
2312   { CE_MOUSE_PRESSED_ON_X,              "mouse pressed on"              },
2313   { CE_UNDEFINED,                       " "                             },
2314   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2315   { CE_PLAYER_NEXT_TO_X,                "player next to"                },
2316   { CE_NEXT_TO_X,                       "next to"                       },
2317
2318   { -1,                                 NULL                            }
2319 };
2320
2321 static struct ValueTextInfo options_change_trigger_side[] =
2322 {
2323   { CH_SIDE_LEFT,                       "left"                          },
2324   { CH_SIDE_RIGHT,                      "right"                         },
2325   { CH_SIDE_TOP,                        "top"                           },
2326   { CH_SIDE_BOTTOM,                     "bottom"                        },
2327   { CH_SIDE_LEFT_RIGHT,                 "left/right"                    },
2328   { CH_SIDE_TOP_BOTTOM,                 "top/bottom"                    },
2329   { CH_SIDE_ANY,                        "any"                           },
2330
2331   { -1,                                 NULL                            }
2332 };
2333
2334 static struct ValueTextInfo options_change_trigger_player[] =
2335 {
2336   { CH_PLAYER_1,                        "1"                             },
2337   { CH_PLAYER_2,                        "2"                             },
2338   { CH_PLAYER_3,                        "3"                             },
2339   { CH_PLAYER_4,                        "4"                             },
2340   { CH_PLAYER_ANY,                      "any"                           },
2341
2342   { -1,                                 NULL                            }
2343 };
2344
2345 static struct ValueTextInfo options_change_trigger_page[] =
2346 {
2347   { (1u << 0),                          "1"                             },
2348   { (1u << 1),                          "2"                             },
2349   { (1u << 2),                          "3"                             },
2350   { (1u << 3),                          "4"                             },
2351   { (1u << 4),                          "5"                             },
2352   { (1u << 5),                          "6"                             },
2353   { (1u << 6),                          "7"                             },
2354   { (1u << 7),                          "8"                             },
2355   { (1u << 8),                          "9"                             },
2356   { (1u << 9),                          "10"                            },
2357   { (1u << 10),                         "11"                            },
2358   { (1u << 11),                         "12"                            },
2359   { (1u << 12),                         "13"                            },
2360   { (1u << 13),                         "14"                            },
2361   { (1u << 14),                         "15"                            },
2362   { (1u << 15),                         "16"                            },
2363   { (1u << 16),                         "17"                            },
2364   { (1u << 17),                         "18"                            },
2365   { (1u << 18),                         "19"                            },
2366   { (1u << 19),                         "20"                            },
2367   { (1u << 20),                         "21"                            },
2368   { (1u << 21),                         "22"                            },
2369   { (1u << 22),                         "23"                            },
2370   { (1u << 23),                         "24"                            },
2371   { (1u << 24),                         "25"                            },
2372   { (1u << 25),                         "26"                            },
2373   { (1u << 26),                         "27"                            },
2374   { (1u << 27),                         "28"                            },
2375   { (1u << 28),                         "29"                            },
2376   { (1u << 29),                         "30"                            },
2377   { (1u << 30),                         "31"                            },
2378   { (1u << 31),                         "32"                            },
2379   { CH_PAGE_ANY,                        "any"                           },
2380
2381   { -1,                                 NULL                            }
2382 };
2383
2384 static struct ValueTextInfo options_change_replace_when[] =
2385 {
2386   { CP_WHEN_EMPTY,                      "empty"                         },
2387   { CP_WHEN_WALKABLE,                   "walkable"                      },
2388   { CP_WHEN_DIGGABLE,                   "diggable"                      },
2389   { CP_WHEN_COLLECTIBLE,                "collectible"                   },
2390   { CP_WHEN_REMOVABLE,                  "removable"                     },
2391   { CP_WHEN_DESTRUCTIBLE,               "destructible"                  },
2392
2393   { -1,                                 NULL                            }
2394 };
2395
2396 static struct ValueTextInfo options_action_type[] =
2397 {
2398   { CA_NO_ACTION,                       "no action"                     },
2399   { CA_UNDEFINED,                       " "                             },
2400   { CA_HEADLINE_LEVEL_ACTIONS,          "[level]"                       },
2401   { CA_RESTART_LEVEL,                   "restart level"                 },
2402   { CA_SHOW_ENVELOPE,                   "show envelope"                 },
2403   { CA_SET_LEVEL_TIME,                  "set time"                      },
2404   { CA_SET_LEVEL_SCORE,                 "set score"                     },
2405   { CA_SET_LEVEL_GEMS,                  "set gems"                      },
2406   { CA_SET_LEVEL_WIND,                  "set wind dir."                 },
2407   { CA_SET_LEVEL_RANDOM_SEED,           "set random seed"               },
2408   { CA_UNDEFINED,                       " "                             },
2409   { CA_HEADLINE_PLAYER_ACTIONS,         "[player]"                      },
2410   { CA_MOVE_PLAYER,                     "move player"                   },
2411   { CA_MOVE_PLAYER_NEW,                 "move player new"               },
2412   { CA_EXIT_PLAYER,                     "exit player"                   },
2413   { CA_KILL_PLAYER,                     "kill player"                   },
2414   { CA_SET_PLAYER_KEYS,                 "set keys"                      },
2415   { CA_SET_PLAYER_SPEED,                "set speed"                     },
2416   { CA_SET_PLAYER_SHIELD,               "set shield"                    },
2417   { CA_SET_PLAYER_GRAVITY,              "set gravity"                   },
2418   { CA_SET_PLAYER_ARTWORK,              "set artwork"                   },
2419   { CA_SET_PLAYER_INVENTORY,            "set inventory"                 },
2420   { CA_UNDEFINED,                       " "                             },
2421   { CA_HEADLINE_CE_ACTIONS,             "[CE]"                          },
2422   { CA_SET_CE_VALUE,                    "set CE value"                  },
2423   { CA_SET_CE_SCORE,                    "set CE score"                  },
2424   { CA_SET_CE_ARTWORK,                  "set CE artwork"                },
2425   { CA_UNDEFINED,                       " "                             },
2426   { CA_HEADLINE_ENGINE_ACTIONS,         "[engine]"                      },
2427   { CA_SET_ENGINE_SCAN_MODE,            "set scan mode"                 },
2428
2429   { -1,                                 NULL                            }
2430 };
2431
2432 static struct ValueTextInfo options_action_mode_none[] =
2433 {
2434   { CA_MODE_UNDEFINED,                  " "                             },
2435
2436   { -1,                                 NULL                            }
2437 };
2438
2439 static struct ValueTextInfo options_action_mode_assign[] =
2440 {
2441   { CA_MODE_SET,                        "="                             },
2442
2443   { -1,                                 NULL                            }
2444 };
2445
2446 static struct ValueTextInfo options_action_mode_add_remove[] =
2447 {
2448   { CA_MODE_ADD,                        "+"                             },
2449   { CA_MODE_SUBTRACT,                   "-"                             },
2450
2451   { -1,                                 NULL                            }
2452 };
2453
2454 static struct ValueTextInfo options_action_mode_calculate[] =
2455 {
2456   { CA_MODE_SET,                        "="                             },
2457   { CA_MODE_ADD,                        "+"                             },
2458   { CA_MODE_SUBTRACT,                   "-"                             },
2459   { CA_MODE_MULTIPLY,                   "*"                             },
2460   { CA_MODE_DIVIDE,                     "/"                             },
2461   { CA_MODE_MODULO,                     "%"                             },
2462
2463   { -1,                                 NULL                            }
2464 };
2465
2466 static struct ValueTextInfo options_action_arg_none[] =
2467 {
2468   { CA_ARG_UNDEFINED,                   "         "                     },
2469
2470   { -1,                                 NULL                            }
2471 };
2472
2473 static struct ValueTextInfo options_action_arg_player[] =
2474 {
2475   { CA_ARG_PLAYER_HEADLINE,             "[player]"                      },
2476   { CA_ARG_PLAYER_1,                    "1"                             },
2477   { CA_ARG_PLAYER_2,                    "2"                             },
2478   { CA_ARG_PLAYER_3,                    "3"                             },
2479   { CA_ARG_PLAYER_4,                    "4"                             },
2480   { CA_ARG_PLAYER_ANY,                  "any"                           },
2481   { CA_ARG_PLAYER_TRIGGER,              "trigger"                       },
2482   { CA_ARG_PLAYER_ACTION,               "action ->"                     },
2483
2484   { -1,                                 NULL                            }
2485 };
2486
2487 static struct ValueTextInfo options_action_arg_number[] =
2488 {
2489   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2490   { CA_ARG_0,                           "0"                             },
2491   { CA_ARG_1,                           "1"                             },
2492   { CA_ARG_2,                           "2"                             },
2493   { CA_ARG_3,                           "3"                             },
2494   { CA_ARG_4,                           "4"                             },
2495   { CA_ARG_5,                           "5"                             },
2496   { CA_ARG_10,                          "10"                            },
2497   { CA_ARG_100,                         "100"                           },
2498   { CA_ARG_1000,                        "1000"                          },
2499   { CA_ARG_UNDEFINED,                   " "                             },
2500   { CA_ARG_NUMBER_MIN,                  "min"                           },
2501   { CA_ARG_NUMBER_MAX,                  "max"                           },
2502   { CA_ARG_UNDEFINED,                   " "                             },
2503   { CA_ARG_NUMBER_RESET,                "reset"                         },
2504   { CA_ARG_UNDEFINED,                   " "                             },
2505   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2506   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2507   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2508   { CA_ARG_UNDEFINED,                   " "                             },
2509   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2510   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2511   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2512   { CA_ARG_UNDEFINED,                   " "                             },
2513   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2514   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2515   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2516   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2517   { CA_ARG_UNDEFINED,                   " "                             },
2518   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2519   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2520   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2521   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2522
2523   { -1,                                 NULL                            }
2524 };
2525
2526 static struct ValueTextInfo options_action_arg_value[] =
2527 {
2528   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2529   { CA_ARG_0,                           "0"                             },
2530   { CA_ARG_1,                           "1"                             },
2531   { CA_ARG_2,                           "2"                             },
2532   { CA_ARG_3,                           "3"                             },
2533   { CA_ARG_4,                           "4"                             },
2534   { CA_ARG_5,                           "5"                             },
2535   { CA_ARG_10,                          "10"                            },
2536   { CA_ARG_100,                         "100"                           },
2537   { CA_ARG_1000,                        "1000"                          },
2538   { CA_ARG_UNDEFINED,                   " "                             },
2539   { CA_ARG_NUMBER_MIN,                  "min"                           },
2540   { CA_ARG_NUMBER_MAX,                  "max"                           },
2541   { CA_ARG_UNDEFINED,                   " "                             },
2542   { CA_ARG_NUMBER_RESET,                "reset"                         },
2543   { CA_ARG_UNDEFINED,                   " "                             },
2544   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2545   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2546   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2547   { CA_ARG_UNDEFINED,                   " "                             },
2548   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2549   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2550   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2551   { CA_ARG_UNDEFINED,                   " "                             },
2552   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2553   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2554   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2555   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2556   { CA_ARG_UNDEFINED,                   " "                             },
2557   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2558   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2559   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2560   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2561   { CA_ARG_UNDEFINED,                   " "                             },
2562   { CA_ARG_ELEMENT_NR_HEADLINE,         "[element]"                     },
2563   { CA_ARG_ELEMENT_NR_TARGET,           "target"                        },
2564   { CA_ARG_ELEMENT_NR_TRIGGER,          "trigger"                       },
2565   { CA_ARG_ELEMENT_NR_ACTION,           "action ->"                     },
2566
2567   { -1,                                 NULL                            }
2568 };
2569
2570 static struct ValueTextInfo options_action_arg_envelope[] =
2571 {
2572   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2573   { CA_ARG_1,                           "1"                             },
2574   { CA_ARG_2,                           "2"                             },
2575   { CA_ARG_3,                           "3"                             },
2576   { CA_ARG_4,                           "4"                             },
2577   { CA_ARG_UNDEFINED,                   " "                             },
2578   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2579   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2580   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2581   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2582
2583   { -1,                                 NULL                            }
2584 };
2585
2586 static struct ValueTextInfo options_action_arg_key[] =
2587 {
2588   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2589   { CA_ARG_1,                           "1"                             },
2590   { CA_ARG_2,                           "2"                             },
2591   { CA_ARG_3,                           "3"                             },
2592   { CA_ARG_4,                           "4"                             },
2593   { CA_ARG_5,                           "5"                             },
2594   { CA_ARG_6,                           "6"                             },
2595   { CA_ARG_7,                           "7"                             },
2596   { CA_ARG_8,                           "8"                             },
2597   { CA_ARG_UNDEFINED,                   " "                             },
2598   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2599   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2600   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2601   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2602
2603   { -1,                                 NULL                            }
2604 };
2605
2606 static struct ValueTextInfo options_action_arg_speed[] =
2607 {
2608   { CA_ARG_SPEED_HEADLINE,              "[speed]"                       },
2609   { CA_ARG_SPEED_NOT_MOVING,            "frozen"                        },
2610   { CA_ARG_SPEED_VERY_SLOW,             "very slow"                     },
2611   { CA_ARG_SPEED_SLOW,                  "slow"                          },
2612   { CA_ARG_SPEED_NORMAL,                "normal"                        },
2613   { CA_ARG_SPEED_FAST,                  "fast"                          },
2614   { CA_ARG_SPEED_VERY_FAST,             "very fast"                     },
2615   { CA_ARG_SPEED_EVEN_FASTER,           "ultrafast"                     },
2616   { CA_ARG_UNDEFINED,                   " "                             },
2617   { CA_ARG_SPEED_SLOWER,                "slower"                        },
2618   { CA_ARG_SPEED_FASTER,                "faster"                        },
2619   { CA_ARG_UNDEFINED,                   " "                             },
2620   { CA_ARG_SPEED_RESET,                 "reset"                         },
2621
2622   { -1,                                 NULL                            }
2623 };
2624
2625 static struct ValueTextInfo options_action_arg_shield[] =
2626 {
2627   { CA_ARG_SHIELD_HEADLINE,             "[shield]"                      },
2628   { CA_ARG_SHIELD_OFF,                  "off"                           },
2629   { CA_ARG_SHIELD_NORMAL,               "normal"                        },
2630   { CA_ARG_SHIELD_DEADLY,               "deadly"                        },
2631
2632   { -1,                                 NULL                            }
2633 };
2634
2635 static struct ValueTextInfo options_action_arg_artwork[] =
2636 {
2637   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2638   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2639   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2640   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2641   { CA_ARG_UNDEFINED,                   " "                             },
2642   { CA_ARG_ELEMENT_RESET,               "reset"                         },
2643
2644   { -1,                                 NULL                            }
2645 };
2646
2647 static struct ValueTextInfo options_action_arg_gravity[] =
2648 {
2649   { CA_ARG_GRAVITY_HEADLINE,            "[gravity]"                     },
2650   { CA_ARG_GRAVITY_ON,                  "on"                            },
2651   { CA_ARG_GRAVITY_OFF,                 "off"                           },
2652   { CA_ARG_GRAVITY_TOGGLE,              "toggle"                        },
2653
2654   { -1,                                 NULL                            }
2655 };
2656
2657 static struct ValueTextInfo options_action_arg_direction[] =
2658 {
2659   { CA_ARG_DIRECTION_HEADLINE,          "[dir.]"                        },
2660   { CA_ARG_DIRECTION_NONE,              "none"                          },
2661   { CA_ARG_DIRECTION_LEFT,              "left"                          },
2662   { CA_ARG_DIRECTION_RIGHT,             "right"                         },
2663   { CA_ARG_DIRECTION_UP,                "up"                            },
2664   { CA_ARG_DIRECTION_DOWN,              "down"                          },
2665   { CA_ARG_DIRECTION_TRIGGER,           "trigger"                       },
2666   { CA_ARG_DIRECTION_TRIGGER_BACK,      "-trigger"                      },
2667
2668   { -1,                                 NULL                            }
2669 };
2670
2671 static struct ValueTextInfo options_action_arg_scan_mode[] =
2672 {
2673   { CA_ARG_SCAN_MODE_HEADLINE,          "[mode]"                        },
2674   { CA_ARG_SCAN_MODE_NORMAL,            "normal"                        },
2675   { CA_ARG_SCAN_MODE_REVERSE,           "reverse"                       },
2676
2677   { -1,                                 NULL                            }
2678 };
2679
2680 static struct ValueTextInfo options_action_arg_inventory[] =
2681 {
2682   { CA_ARG_INVENTORY_HEADLINE,          "[add]"                         },
2683   { CA_ARG_ELEMENT_TARGET,              "+ target"                      },
2684   { CA_ARG_ELEMENT_TRIGGER,             "+ trigger"                     },
2685   { CA_ARG_ELEMENT_ACTION,              "+ action"                      },
2686   { CA_ARG_UNDEFINED,                   " "                             },
2687   { CA_ARG_INVENTORY_RM_HEADLINE,       "[remove]"                      },
2688   { CA_ARG_INVENTORY_RM_TARGET,         "- target"                      },
2689   { CA_ARG_INVENTORY_RM_TRIGGER,        "- trigger"                     },
2690   { CA_ARG_INVENTORY_RM_ACTION,         "- action"                      },
2691   { CA_ARG_INVENTORY_RM_FIRST,          "- first"                       },
2692   { CA_ARG_INVENTORY_RM_LAST,           "- last"                        },
2693   { CA_ARG_INVENTORY_RM_ALL,            "- all"                         },
2694   { CA_ARG_UNDEFINED,                   " "                             },
2695   { CA_ARG_INVENTORY_RESET,             "reset"                         },
2696
2697   { -1,                                 NULL                            }
2698 };
2699
2700 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2701 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2702 {
2703   { -1,                                 NULL                            }
2704 };
2705
2706 static struct ValueTextInfo options_group_choice_mode[] =
2707 {
2708   { ANIM_RANDOM,                        "random"                        },
2709   { ANIM_LOOP,                          "loop"                          },
2710   { ANIM_LINEAR,                        "linear"                        },
2711   { ANIM_PINGPONG,                      "pingpong"                      },
2712   { ANIM_PINGPONG2,                     "pingpong 2"                    },
2713   { ANIM_LEVEL_NR,                      "level number"                  },
2714
2715   { -1,                                 NULL                            }
2716 };
2717
2718 static struct ValueTextInfo options_bd_scheduling_type[] =
2719 {
2720   { GD_SCHEDULING_MILLISECONDS,         "Milliseconds"                  },
2721   { GD_SCHEDULING_BD1,                  "BD1"                           },
2722   { GD_SCHEDULING_BD2,                  "BD2"                           },
2723   { GD_SCHEDULING_PLCK,                 "Construction Kit"              },
2724   { GD_SCHEDULING_CRDR,                 "Crazy Dream 7"                 },
2725   { GD_SCHEDULING_BD1_ATARI,            "Atari BD1"                     },
2726   { GD_SCHEDULING_BD2_PLCK_ATARI,       "Atari BD2 / PLCK"              },
2727
2728   { -1,                                   NULL                          }
2729 };
2730
2731 static struct ValueTextInfo *action_arg_modes[] =
2732 {
2733   options_action_mode_none,
2734   options_action_mode_assign,
2735   options_action_mode_add_remove,
2736   options_action_mode_calculate,
2737 };
2738
2739 static struct
2740 {
2741   int value;
2742   int mode;
2743   struct ValueTextInfo *options;
2744 }
2745 action_arg_options[] =
2746 {
2747   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2748   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2749   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2750   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2751   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2752   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2753   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2754   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2755   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2756   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2757   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2758   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2759   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2760   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2761   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2762   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2763   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2764   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2765   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2766   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2767   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2768   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2769
2770   { -1,                         FALSE,  NULL                            }
2771 };
2772
2773 static struct
2774 {
2775   int gadget_type_id;
2776   int x, y;
2777   int gadget_id;
2778   int gadget_id_align;
2779   int size;     // char size of selectbox or '-1' (dynamically determined)
2780   struct ValueTextInfo *options;
2781   int *value;
2782   char *text_above, *text_left, *text_right, *infotext;
2783 } selectbox_info[ED_NUM_SELECTBOX] =
2784 {
2785   // ---------- level and editor settings -------------------------------------
2786
2787   {
2788     ED_SELECTBOX_ID_TIME_OR_STEPS,
2789     -1,                                         ED_LEVEL_SETTINGS_YPOS(8),
2790     GADGET_ID_TIME_OR_STEPS,                    GADGET_ID_LEVEL_TIMELIMIT_UP,
2791     -1,
2792     options_time_or_steps,
2793     &level.use_step_counter,
2794     NULL, NULL, "(0 => no limit)",              "Select time or step limit"
2795   },
2796   {
2797     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2798     -1,                                         ED_LEVEL_SETTINGS_YPOS(10),
2799     GADGET_ID_TIME_SCORE_BASE,                  GADGET_ID_LEVEL_TIMESCORE_UP,
2800     -1,
2801     options_time_score_base,
2802     &level.time_score_base,
2803     NULL, NULL, NULL,                           "Select time score for 1 or 10 seconds/steps"
2804   },
2805   {
2806     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2807     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(12),
2808     GADGET_ID_GAME_ENGINE_TYPE,                 GADGET_ID_NONE,
2809     -1,
2810     options_game_engine_type,
2811     &level.game_engine_type,
2812     NULL, "Game engine:", NULL,                 "Select game engine"
2813   },
2814   {
2815     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2816     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(1),
2817     GADGET_ID_BD_SCHEDULING_TYPE,               GADGET_ID_NONE,
2818     -1,
2819     options_bd_scheduling_type,
2820     &level.bd_scheduling_type,
2821     NULL, "Scheduling type:", NULL,             "Select level timing"
2822   },
2823   {
2824     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2825     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
2826     GADGET_ID_LEVELSET_SAVE_MODE,               GADGET_ID_NONE,
2827     -1,
2828     options_levelset_save_mode,
2829     &levelset_save_mode,
2830     "Action:", NULL, NULL,                      "Select action when saving level set"
2831   },
2832
2833   // ---------- element settings: configure (several elements) ----------------
2834
2835   {
2836     ED_SELECTBOX_ID_WIND_DIRECTION,
2837     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
2838     GADGET_ID_WIND_DIRECTION,                   GADGET_ID_NONE,
2839     -1,
2840     options_wind_direction,
2841     &level.wind_direction_initial,
2842     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
2843   },
2844   {
2845     ED_SELECTBOX_ID_PLAYER_SPEED,
2846     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(7),
2847     GADGET_ID_PLAYER_SPEED,                     GADGET_ID_NONE,
2848     -1,
2849     options_player_speed,
2850     &level.initial_player_stepsize[0],
2851     NULL, "Initial player speed:", NULL,        "Select initial player speed"
2852   },
2853   {
2854     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2855     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
2856     GADGET_ID_MM_BALL_CHOICE_MODE,              GADGET_ID_NONE,
2857     -1,
2858     options_group_choice_mode,
2859     &level.mm_ball_choice_mode,
2860     NULL, "Choice type:", NULL,                 "Select type of content choice"
2861   },
2862
2863   // ---------- element settings: configure 1 (custom elements) ---------------
2864
2865   {
2866     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2867     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
2868     GADGET_ID_CUSTOM_ACCESS_TYPE,               GADGET_ID_NONE,
2869     -1,
2870     options_access_type,
2871     &custom_element.access_type,
2872     NULL, NULL, NULL,                           "Select type of access to this field"
2873   },
2874   {
2875     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2876     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
2877     GADGET_ID_CUSTOM_ACCESS_LAYER,              GADGET_ID_CUSTOM_ACCESS_TYPE,
2878     -1,
2879     options_access_layer,
2880     &custom_element.access_layer,
2881     NULL, NULL, NULL,                           "Select layer of access for this field"
2882   },
2883   {
2884     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2885     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
2886     GADGET_ID_CUSTOM_ACCESS_PROTECTED,          GADGET_ID_CUSTOM_ACCESS_LAYER,
2887     -1,
2888     options_access_protected,
2889     &custom_element.access_protected,
2890     NULL, NULL, NULL,                           "Select protected access for this field"
2891   },
2892   {
2893     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2894     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
2895     GADGET_ID_CUSTOM_ACCESS_DIRECTION,          GADGET_ID_NONE,
2896     -1,
2897     options_access_direction,
2898     &custom_element.access_direction,
2899     NULL, "from", NULL,                         "Select access direction for this field"
2900   },
2901   {
2902     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2903     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
2904     GADGET_ID_CUSTOM_WALK_TO_ACTION,            GADGET_ID_NONE,
2905     -1,
2906     options_walk_to_action,
2907     &custom_element.walk_to_action,
2908     NULL, NULL, NULL,                           "Select diggable/collectible/pushable"
2909   },
2910
2911   // ---------- element settings: configure 2 (custom elements) ---------------
2912
2913   {
2914     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2915     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(1),
2916     GADGET_ID_CUSTOM_MOVE_PATTERN,              GADGET_ID_NONE,
2917     -1,
2918     options_move_pattern,
2919     &custom_element.move_pattern,
2920     NULL, "Can move", NULL,                     "Select element move pattern"
2921   },
2922   {
2923     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2924     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
2925     GADGET_ID_CUSTOM_MOVE_DIRECTION,            GADGET_ID_NONE,
2926     -1,
2927     options_move_direction,
2928     &custom_element.move_direction_initial,
2929     NULL, "Starts moving", NULL,                "Select initial element move direction"
2930   },
2931   {
2932     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2933     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
2934     GADGET_ID_CUSTOM_MOVE_STEPSIZE,             GADGET_ID_NONE,
2935     -1,
2936     options_move_stepsize,
2937     &custom_element.move_stepsize,
2938     NULL, "Move/fall speed", NULL,              "Select speed of element movement"
2939   },
2940   {
2941     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2942     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
2943     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,           GADGET_ID_NONE,
2944     -1,
2945     options_move_leave_type,
2946     &custom_element.move_leave_type,
2947     // left text with leading spaces to place gadget next to "can dig" gadget
2948     // (needed because drawing area gadgets created after selectbox gadgets)
2949     // NULL, "can dig:    can", ":",            "leave behind or change element"
2950     NULL, "            Can", ":",               "Select leave behind or change element"
2951   },
2952   {
2953     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2954     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
2955     GADGET_ID_CUSTOM_SMASH_TARGETS,             GADGET_ID_CUSTOM_CAN_SMASH,
2956     -1,
2957     options_smash_targets,
2958     &custom_element.smash_targets,
2959     NULL, "Can smash", NULL,                    "Select elements that can be smashed"
2960   },
2961   {
2962     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2963     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
2964     GADGET_ID_CUSTOM_SLIPPERY_TYPE,             GADGET_ID_NONE,
2965     -1,
2966     options_slippery_type,
2967     &custom_element.slippery_type,
2968     NULL, "Slippery", NULL,                     "Select where other elements fall down"
2969   },
2970   {
2971     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2972     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(10),
2973     GADGET_ID_CUSTOM_DEADLINESS,                GADGET_ID_NONE,
2974     -1,
2975     options_deadliness,
2976     &custom_element.deadliness,
2977     NULL, "Deadly when", NULL,                  "Select deadliness of element"
2978   },
2979   {
2980     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
2981     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(11),
2982     GADGET_ID_CUSTOM_EXPLOSION_TYPE,            GADGET_ID_NONE,
2983     -1,
2984     options_explosion_type,
2985     &custom_element.explosion_type,
2986     NULL, "Can explode", NULL,                  "Select explosion type"
2987   },
2988
2989   // ---------- element settings: advanced (custom elements) ------------------
2990
2991   {
2992     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
2993     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(3),
2994     GADGET_ID_CHANGE_TIME_UNITS,                GADGET_ID_NONE,
2995     -1,
2996     options_time_units,
2997     &custom_element_change.delay_frames,
2998     NULL, "Delay time given in", NULL,          "Select delay time units for change"
2999   },
3000   {
3001     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
3002     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(4),
3003     GADGET_ID_CHANGE_DIRECT_ACTION,             GADGET_ID_NONE,
3004     -1,
3005     options_change_direct_action,
3006     &custom_element_change.direct_action,
3007     NULL, NULL, NULL,                           "Select type of direct action"
3008   },
3009   {
3010     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
3011     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(5),
3012     GADGET_ID_CHANGE_OTHER_ACTION,              GADGET_ID_NONE,
3013     -1,
3014     options_change_other_action,
3015     &custom_element_change.other_action,
3016     NULL, NULL, "element:",                     "Select type of other element action"
3017   },
3018   {
3019     ED_SELECTBOX_ID_CHANGE_SIDE,
3020     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(6),
3021     GADGET_ID_CHANGE_SIDE,                      GADGET_ID_NONE,
3022     -1,
3023     options_change_trigger_side,
3024     &custom_element_change.trigger_side,
3025     NULL, "at", "side",                         "Select element side triggering change"
3026   },
3027   {
3028     ED_SELECTBOX_ID_CHANGE_PLAYER,
3029     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3030     GADGET_ID_CHANGE_PLAYER,                    GADGET_ID_NONE,
3031     -1,
3032     options_change_trigger_player,
3033     &custom_element_change.trigger_player,
3034     NULL, "Player:", " ",                       "Select player that causes change"
3035   },
3036   {
3037     ED_SELECTBOX_ID_CHANGE_PAGE,
3038     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3039     GADGET_ID_CHANGE_PAGE,                      GADGET_ID_CHANGE_PLAYER,
3040     -1,
3041     options_change_trigger_page,
3042     &custom_element_change.trigger_page,
3043     NULL, "Page:", NULL,                        "Select change page that causes change"
3044   },
3045   {
3046     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3047     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(10),
3048     GADGET_ID_CHANGE_REPLACE_WHEN,              GADGET_ID_NONE,
3049     -1,
3050     options_change_replace_when,
3051     &custom_element_change.replace_when,
3052     NULL, "Replace when", NULL,                 "Select which elements can be replaced"
3053   },
3054   {
3055     ED_SELECTBOX_ID_ACTION_TYPE,
3056     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
3057     GADGET_ID_ACTION_TYPE,                      GADGET_ID_NONE,
3058     15,
3059     options_action_type,
3060     &custom_element_change.action_type,
3061     NULL, NULL, NULL,                           "Select action on specified condition"
3062   },
3063   {
3064     ED_SELECTBOX_ID_ACTION_MODE,
3065     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3066     GADGET_ID_ACTION_MODE,                      GADGET_ID_ACTION_TYPE,
3067     -1,
3068     options_action_mode_none,
3069     &custom_element_change.action_mode,
3070     NULL, NULL, NULL,                           "Select action operator"
3071   },
3072   {
3073     ED_SELECTBOX_ID_ACTION_ARG,
3074     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3075     GADGET_ID_ACTION_ARG,                       GADGET_ID_ACTION_MODE,
3076     -1,
3077     options_action_arg_none,
3078     &custom_element_change.action_arg,
3079     NULL, NULL, NULL,                           "Select action parameter"
3080   },
3081   {
3082     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3083     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
3084     GADGET_ID_SELECT_CHANGE_PAGE,               GADGET_ID_NONE,
3085     3,
3086     options_change_page,
3087     &custom_element.current_change_page,
3088     NULL, NULL, NULL,                           "Select element change page"
3089   },
3090
3091   // ---------- element settings: configure (group elements) ------------------
3092
3093   {
3094     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3095     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3096     GADGET_ID_GROUP_CHOICE_MODE,                GADGET_ID_NONE,
3097     -1,
3098     options_group_choice_mode,
3099     &group_element_info.choice_mode,
3100     NULL, "Choice type:", NULL,                 "Select type of group element choice"
3101   },
3102 };
3103
3104 static struct
3105 {
3106   int gadget_type_id;
3107   int x, y;
3108   int gadget_id;
3109   int gadget_id_align;
3110   int size;
3111   char *text;
3112   char *text_above, *text_left, *text_right, *infotext;
3113 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3114 {
3115   // ---------- level and editor settings (tabs) ------------------------------
3116
3117   {
3118     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3119     ED_LEVEL_TABS_XPOS(0),                      ED_LEVEL_TABS_YPOS(0),
3120     GADGET_ID_LEVELCONFIG_LEVEL,                GADGET_ID_NONE,
3121     8,                                          "Level",
3122     NULL, NULL, NULL,                           "Configure level settings"
3123   },
3124   {
3125     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3126     -1,                                         -1,
3127     GADGET_ID_LEVELCONFIG_LEVELSET,             GADGET_ID_LEVELCONFIG_LEVEL,
3128     8,                                          "Levelset",
3129     NULL, NULL, NULL,                           "Update this or create new level set"
3130   },
3131   {
3132     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3133     -1,                                         -1,
3134     GADGET_ID_LEVELCONFIG_EDITOR,               GADGET_ID_LEVELCONFIG_LEVELSET,
3135     8,                                          "Editor",
3136     NULL, NULL, NULL,                           "Configure editor settings"
3137   },
3138   {
3139     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3140     -1,                                         -1,
3141     GADGET_ID_LEVELCONFIG_ENGINE,               GADGET_ID_LEVELCONFIG_EDITOR,
3142     8,                                          "Engine",
3143     NULL, NULL, NULL,                           "Configure engine settings"
3144   },
3145
3146   // ---------- element settings (tabs) ---------------------------------------
3147
3148   {
3149     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3150     ED_ELEMENT_TABS_XPOS(0),                    ED_ELEMENT_TABS_YPOS(0),
3151     GADGET_ID_PROPERTIES_INFO,                  GADGET_ID_NONE,
3152     8,                                          "Info",
3153     NULL, NULL, NULL,                           "Show information about element"
3154   },
3155   {
3156     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3157     -1,                                         -1,
3158     GADGET_ID_PROPERTIES_CONFIG,                GADGET_ID_PROPERTIES_INFO,
3159     8,                                          "Config",
3160     NULL, NULL, NULL,                           "Configure element properties"
3161   },
3162   {
3163     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3164     -1,                                         -1,
3165     GADGET_ID_PROPERTIES_CONFIG_1,              GADGET_ID_PROPERTIES_INFO,
3166     8,                                          "Config 1",
3167     NULL, NULL, NULL,                           "Configure element properties, part 1"
3168   },
3169   {
3170     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3171     -1,                                         -1,
3172     GADGET_ID_PROPERTIES_CONFIG_2,              GADGET_ID_PROPERTIES_CONFIG_1,
3173     8,                                          "Config 2",
3174     NULL, NULL, NULL,                           "Configure element properties, part 2"
3175   },
3176   {
3177     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3178     -1,                                         -1,
3179     GADGET_ID_PROPERTIES_CHANGE,                GADGET_ID_PROPERTIES_CONFIG_2,
3180     8,                                          "Change",
3181     NULL, NULL, NULL,                           "Configure custom element change pages"
3182   },
3183
3184   // ---------- level and editor settings (buttons) ---------------------------
3185
3186   {
3187     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3188     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
3189     GADGET_ID_SAVE_LEVELSET,                    GADGET_ID_LEVELSET_SAVE_MODE,
3190     -1,                                         "Save",
3191     NULL, NULL, NULL,                           "Update or create level set"
3192   },
3193   {
3194     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3195     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3196     GADGET_ID_SAVE_AS_TEMPLATE_2,               GADGET_ID_NONE,
3197     -1,                                         "Save",
3198     NULL, NULL,                                 "this level as level template",
3199     "Save current settings as new template"
3200   },
3201
3202   // ---------- element settings (buttons) ------------------------------------
3203
3204   {
3205     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3206     -1,                                         -1,
3207     GADGET_ID_SAVE_AS_TEMPLATE_1,               GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3208     -1,                                         "Save",
3209     NULL, " ",                                  "As Template",
3210     "Save current settings as new template"
3211   },
3212   {
3213     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3214     -1,                                         -1,
3215     GADGET_ID_ADD_CHANGE_PAGE,                  GADGET_ID_PASTE_CHANGE_PAGE,
3216     -1,                                         "New",
3217     NULL, NULL, NULL,                           "Add new change page"
3218   },
3219   {
3220     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3221     -1,                                         -1,
3222     GADGET_ID_DEL_CHANGE_PAGE,                  GADGET_ID_ADD_CHANGE_PAGE,
3223     -1,                                         "Delete",
3224     NULL, NULL, NULL,                           "Delete current change page"
3225   },
3226 };
3227
3228 static struct
3229 {
3230   int gadget_type_id;
3231   int graphic;
3232   int x, y;
3233   int gadget_id;
3234   int gadget_id_align;
3235   char *text_left, *text_right, *infotext;
3236 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3237 {
3238   {
3239     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3240     IMG_EDITOR_COUNTER_DOWN,
3241     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3242     GADGET_ID_PREV_CHANGE_PAGE,                 GADGET_ID_NONE,
3243     NULL, NULL,                                 "Select previous change page"
3244   },
3245   {
3246     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3247     IMG_EDITOR_COUNTER_UP,
3248     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3249     GADGET_ID_NEXT_CHANGE_PAGE,                 GADGET_ID_SELECT_CHANGE_PAGE,
3250     NULL, "Change page",                        "Select next change page"
3251   },
3252   {
3253     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3254     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3255     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3256     GADGET_ID_COPY_CHANGE_PAGE,                 GADGET_ID_NEXT_CHANGE_PAGE,
3257     " ", NULL,                                  "Copy settings from this change page"
3258   },
3259   {
3260     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3261     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3262     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3263     GADGET_ID_PASTE_CHANGE_PAGE,                GADGET_ID_COPY_CHANGE_PAGE,
3264     NULL, NULL,                                 "Paste settings to this change page"
3265   },
3266 };
3267
3268 static struct
3269 {
3270   int x, y;
3271 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3272
3273 static struct
3274 {
3275   int gadget_type_id;
3276   int graphic;
3277   int gadget_id;
3278   char *infotext;
3279 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3280 {
3281   {
3282     ED_SCROLLBUTTON_ID_AREA_UP,
3283     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3284     GADGET_ID_SCROLL_UP,
3285     "Scroll level editing area up"
3286   },
3287   {
3288     ED_SCROLLBUTTON_ID_AREA_DOWN,
3289     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3290     GADGET_ID_SCROLL_DOWN,
3291     "Scroll level editing area down"
3292   },
3293   {
3294     ED_SCROLLBUTTON_ID_AREA_LEFT,
3295     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3296     GADGET_ID_SCROLL_LEFT,
3297     "Scroll level editing area left"
3298   },
3299   {
3300     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3301     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3302     GADGET_ID_SCROLL_RIGHT,
3303     "Scroll level editing area right"
3304   },
3305   {
3306     ED_SCROLLBUTTON_ID_LIST_UP,
3307     IMG_EDITOR_PALETTE_SCROLL_UP,
3308     GADGET_ID_SCROLL_LIST_UP,
3309     "Scroll element list up ('Page Up')"
3310   },
3311   {
3312     ED_SCROLLBUTTON_ID_LIST_DOWN,
3313     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3314     GADGET_ID_SCROLL_LIST_DOWN,
3315     "Scroll element list down ('Page Down')"
3316   },
3317 };
3318
3319 static struct
3320 {
3321   int x, y;
3322   int width, height;
3323   int wheel_x, wheel_y;
3324   int wheel_width, wheel_height;
3325 } scrollbar_pos[ED_NUM_SCROLLBARS];
3326
3327 static struct
3328 {
3329   int gadget_type_id;
3330   int graphic;
3331   int type;
3332   int gadget_id;
3333   char *infotext;
3334 } scrollbar_info[ED_NUM_SCROLLBARS] =
3335 {
3336   {
3337     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3338     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3339     GD_TYPE_SCROLLBAR_HORIZONTAL,
3340     GADGET_ID_SCROLL_HORIZONTAL,
3341     "Scroll level editing area horizontally"
3342   },
3343   {
3344     ED_SCROLLBAR_ID_AREA_VERTICAL,
3345     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3346     GD_TYPE_SCROLLBAR_VERTICAL,
3347     GADGET_ID_SCROLL_VERTICAL,
3348     "Scroll level editing area vertically"
3349   },
3350   {
3351     ED_SCROLLBAR_ID_LIST_VERTICAL,
3352     IMG_EDITOR_PALETTE_SCROLLBAR,
3353     GD_TYPE_SCROLLBAR_VERTICAL,
3354     GADGET_ID_SCROLL_LIST_VERTICAL,
3355     "Scroll element list vertically"
3356   }
3357 };
3358
3359
3360 static struct
3361 {
3362   int gadget_type_id;
3363   int x, y;
3364   int gadget_id;
3365   int gadget_id_align;
3366   int radio_button_nr;
3367   int *value;
3368   int checked_value;
3369   char *text_left, *text_right, *infotext;
3370 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3371 {
3372   {
3373     ED_RADIOBUTTON_ID_PERCENTAGE,
3374     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3375     GADGET_ID_RANDOM_PERCENTAGE,                GADGET_ID_LEVEL_RANDOM_UP,
3376     RADIO_NR_RANDOM_ELEMENTS,
3377     &random_placement_method,                   RANDOM_USE_PERCENTAGE,
3378     " ", "percentage",                          "Use percentage for random elements"
3379   },
3380   {
3381     ED_RADIOBUTTON_ID_QUANTITY,
3382     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3383     GADGET_ID_RANDOM_QUANTITY,                  GADGET_ID_RANDOM_PERCENTAGE,
3384     RADIO_NR_RANDOM_ELEMENTS,
3385     &random_placement_method,                   RANDOM_USE_QUANTITY,
3386     " ", "quantity",                            "Use quantity for random elements"
3387   }
3388 };
3389
3390 static struct
3391 {
3392   int gadget_type_id;
3393   int x, y;
3394   int gadget_id;
3395   int gadget_id_align;
3396   boolean *value;
3397   char *text_above, *text_left, *text_right, *infotext;
3398 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3399 {
3400   // ---------- level and editor settings -------------------------------------
3401
3402   {
3403     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3404     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3405     GADGET_ID_AUTO_COUNT_GEMS,                  GADGET_ID_NONE,
3406     &level.auto_count_gems,
3407     NULL, NULL,
3408     "Automatically count gems needed",          "Set counter to number of gems"
3409   },
3410   {
3411     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3412     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(11),
3413     GADGET_ID_RATE_TIME_OVER_SCORE,             GADGET_ID_NONE,
3414     &level.rate_time_over_score,
3415     NULL, NULL,
3416     "Rate time/steps used over score",          "Sort high scores by playing time/steps"
3417   },
3418   {
3419     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3420     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(7),
3421     GADGET_ID_USE_LEVELSET_ARTWORK,             GADGET_ID_NONE,
3422     &levelset_use_levelset_artwork,
3423     NULL, NULL,
3424     "Use current custom artwork",               "Use custom artwork of this level set"
3425   },
3426   {
3427     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3428     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
3429     GADGET_ID_COPY_LEVEL_TEMPLATE,              GADGET_ID_NONE,
3430     &levelset_copy_level_template,
3431     NULL, NULL,
3432     "Copy current level template",              "Copy level template of this level set"
3433   },
3434   {
3435     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3436     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(1),
3437     GADGET_ID_RANDOM_RESTRICTED,                GADGET_ID_NONE,
3438     &random_placement_background_restricted,
3439     NULL, NULL,
3440     "Restrict random placement to:",            "Set random placement restriction"
3441   },
3442   {
3443     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3444     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
3445     GADGET_ID_CUSTOM_USE_TEMPLATE_3,            GADGET_ID_NONE,
3446     &setup.editor.use_template_for_new_levels,
3447     "Template for new levels and CE/GE:", NULL,
3448     "Use template for new levels",              "Use template for level properties"
3449   },
3450   {
3451     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3452     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
3453     GADGET_ID_CUSTOM_USE_TEMPLATE_2,            GADGET_ID_NONE,
3454     &level.use_custom_template,
3455     NULL, NULL,
3456     "Use template for custom elements",         "Use template for custom properties"
3457   },
3458   {
3459     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3460     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
3461     GADGET_ID_BD_INTERMISSION,                  GADGET_ID_NONE,
3462     &level.bd_intermission,
3463     "Boulder Dash game engine settings:", NULL,
3464     "Intermission",                             "Level is an intermission level"
3465   },
3466   {
3467     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3468     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
3469     GADGET_ID_BD_PAL_TIMING,                    GADGET_ID_NONE,
3470     &level.bd_pal_timing,
3471     NULL, NULL,
3472     "PAL timing",                               "Use slower timer (like PAL C64)"
3473   },
3474   {
3475     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3476     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3477     GADGET_ID_BD_LINE_SHIFTING_BORDERS,         GADGET_ID_NONE,
3478     &level.bd_line_shifting_borders,
3479     "Compatibility settings:", NULL,
3480     "Line-shifting borders",                    "Use line-shifting wrap-around"
3481   },
3482   {
3483     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3484     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(7),
3485     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,       GADGET_ID_NONE,
3486     &level.bd_scan_first_and_last_row,
3487     NULL, NULL,
3488     "Scan first and last row",                  "Also process top/bottom border rows"
3489   },
3490   {
3491     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3492     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
3493     GADGET_ID_BD_SHORT_EXPLOSIONS,              GADGET_ID_NONE,
3494     &level.bd_short_explosions,
3495     NULL, NULL,
3496     "Short explosions",                         "Use four game cycles for explosions"
3497   },
3498   {
3499     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
3500     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(9),
3501     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,           GADGET_ID_NONE,
3502     &level.bd_gravity_affects_all,
3503     NULL, NULL,
3504     "Gravity change affects everything",        "Gravity affects all falling objects"
3505   },
3506
3507   // ---------- element settings: configure (various elements) ----------------
3508
3509   {
3510     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3511     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3512     GADGET_ID_STICK_ELEMENT,                    GADGET_ID_NONE,
3513     &stick_element_properties_window,
3514     NULL, NULL,
3515     "Stick this screen to edit content",        "Stick this screen to edit content"
3516   },
3517   {
3518     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3519     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3520     GADGET_ID_EM_SLIPPERY_GEMS,                 GADGET_ID_NONE,
3521     &level.em_slippery_gems,
3522     NULL, NULL,
3523     "Slip down from certain flat walls",        "Use EM/DC style slipping behaviour"
3524   },
3525   {
3526     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3527     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3528     GADGET_ID_EM_EXPLODES_BY_FIRE,              GADGET_ID_NONE,
3529     &level.em_explodes_by_fire,
3530     NULL, NULL,
3531     "Explodes with chain reaction",             "Use R'n'D style explosion behaviour"
3532   },
3533   {
3534     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3535     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3536     GADGET_ID_USE_SPRING_BUG,                   GADGET_ID_NONE,
3537     &level.use_spring_bug,
3538     NULL, NULL,
3539     "Use spring pushing bug",                   "Use odd spring pushing behaviour"
3540   },
3541   {
3542     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3543     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3544     GADGET_ID_USE_TIME_ORB_BUG,                 GADGET_ID_NONE,
3545     &level.use_time_orb_bug,
3546     NULL, NULL,
3547     "Use time orb bug",                         "Use odd time orb behaviour"
3548   },
3549   {
3550     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3551     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3552     GADGET_ID_USE_LIFE_BUGS,                    GADGET_ID_NONE,
3553     &level.use_life_bugs,
3554     NULL, NULL,
3555     "Use buggy element behaviour",              "Use odd (historic) element behaviour"
3556   },
3557   {
3558     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3559     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3560     GADGET_ID_RANDOM_BALL_CONTENT,              GADGET_ID_NONE,
3561     &level.ball_random,
3562     NULL, NULL,
3563     "Create single random element",             "Only create one element from content"
3564   },
3565   {
3566     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3567     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3568     GADGET_ID_INITIAL_BALL_ACTIVE,              GADGET_ID_NONE,
3569     &level.ball_active_initial,
3570     NULL, NULL,
3571     "Magic ball initially activated",           "Activate magic ball after level start"
3572   },
3573   {
3574     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3575     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3576     GADGET_ID_GROW_INTO_DIGGABLE,               GADGET_ID_NONE,
3577     &level.grow_into_diggable,
3578     NULL, NULL,
3579     "Can grow into anything diggable",          "Grow into more than just sand"
3580   },
3581   {
3582     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3583     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3584     GADGET_ID_SB_FIELDS_NEEDED,                 GADGET_ID_NONE,
3585     &level.sb_fields_needed,
3586     NULL, NULL,
3587     "All fields need to be filled",             "Require all SB fields to be solved"
3588   },
3589   {
3590     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3591     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3592     GADGET_ID_SB_OBJECTS_NEEDED,                GADGET_ID_NONE,
3593     &level.sb_objects_needed,
3594     NULL, NULL,
3595     "All objects need to be placed",            "Require all SB objects to be solved"
3596   },
3597   {
3598     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3599     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3600     GADGET_ID_AUTO_EXIT_SOKOBAN,                GADGET_ID_NONE,
3601     &level.auto_exit_sokoban,
3602     NULL, NULL,
3603     "Exit level if all tasks solved",           "Automatically finish Sokoban levels"
3604   },
3605   {
3606     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3607     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3608     GADGET_ID_SOLVED_BY_ONE_PLAYER,             GADGET_ID_NONE,
3609     &level.solved_by_one_player,
3610     NULL, NULL,
3611     "Only one player must enter exit",          "Level solved by first player in exit"
3612   },
3613   {
3614     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3615     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3616     GADGET_ID_FINISH_DIG_COLLECT,               GADGET_ID_NONE,
3617     &level.finish_dig_collect,
3618     NULL, NULL,
3619     "CE action on finished dig/collect",        "Only finished dig/collect triggers CE"
3620   },
3621   {
3622     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3623     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3624     GADGET_ID_KEEP_WALKABLE_CE,                 GADGET_ID_NONE,
3625     &level.keep_walkable_ce,
3626     NULL, NULL,
3627     "Keep walkable CE changed to player",       "Keep CE changing to player if walkable"
3628   },
3629   {
3630     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3631     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
3632     GADGET_ID_CONTINUOUS_SNAPPING,              GADGET_ID_NONE,
3633     &level.continuous_snapping,
3634     NULL, NULL,
3635     "Continuous snapping",                      "Use snapping without releasing key"
3636   },
3637   {
3638     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3639     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
3640     GADGET_ID_BLOCK_SNAP_FIELD,                 GADGET_ID_NONE,
3641     &level.block_snap_field,
3642     NULL, NULL,
3643     "Block snapped field when snapping",        "Use snapping delay to show animation"
3644   },
3645   {
3646     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3647     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3648     GADGET_ID_BLOCK_LAST_FIELD,                 GADGET_ID_NONE,
3649     &level.block_last_field,
3650     NULL, NULL,
3651     "Block last field when moving",             "Player blocks last field when moving"
3652   },
3653   {
3654     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3655     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3656     GADGET_ID_SP_BLOCK_LAST_FIELD,              GADGET_ID_NONE,
3657     &level.sp_block_last_field,
3658     NULL, NULL,
3659     "Block last field when moving",             "Player blocks last field when moving"
3660   },
3661   {
3662     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3663     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3664     GADGET_ID_INSTANT_RELOCATION,               GADGET_ID_NONE,
3665     &level.instant_relocation,
3666     NULL, NULL,
3667     "No scrolling when relocating",             "Player gets relocated without delay"
3668   },
3669   {
3670     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3671     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3672     GADGET_ID_SHIFTED_RELOCATION,               GADGET_ID_NONE,
3673     &level.shifted_relocation,
3674     NULL, NULL,
3675     "No centering when relocating",             "Level not centered after relocation"
3676   },
3677   {
3678     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3679     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3680     GADGET_ID_LAZY_RELOCATION,                  GADGET_ID_NONE,
3681     &level.lazy_relocation,
3682     NULL, NULL,
3683     "Only redraw off-screen relocation",        "No redraw if relocation target visible"
3684   },
3685   {
3686     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3687     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
3688     GADGET_ID_USE_START_ELEMENT,                GADGET_ID_NONE,
3689     &level.use_start_element[0],
3690     NULL, NULL,
3691     "Use level start element:",                "Start level at this element's position"
3692   },
3693   {
3694     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3695     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
3696     GADGET_ID_USE_ARTWORK_ELEMENT,              GADGET_ID_NONE,
3697     &level.use_artwork_element[0],
3698     NULL, NULL,
3699     "Use artwork from element:",                "Use player artwork from other element"
3700   },
3701   {
3702     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3703     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(12),
3704     GADGET_ID_USE_EXPLOSION_ELEMENT,            GADGET_ID_NONE,
3705     &level.use_explosion_element[0],
3706     NULL, NULL,
3707     "Use explosion from element:",              "Use explosion properties from element"
3708   },
3709   {
3710     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3711     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
3712     GADGET_ID_INITIAL_GRAVITY,                  GADGET_ID_NONE,
3713     &level.initial_player_gravity[0],
3714     NULL, NULL,
3715     "Use initial gravity",                      "Set initial player gravity"
3716   },
3717   {
3718     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3719     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3720     GADGET_ID_USE_INITIAL_INVENTORY,            GADGET_ID_NONE,
3721     &level.use_initial_inventory[0],
3722     NULL, NULL,
3723     "Use initial inventory:",                   "Use collected elements on level start"
3724   },
3725   {
3726     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3727     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
3728     GADGET_ID_CAN_PASS_TO_WALKABLE,             GADGET_ID_NONE,
3729     &level.can_pass_to_walkable,
3730     NULL, NULL,
3731     "Can pass to walkable element",             "Player can pass to empty or walkable"
3732   },
3733   {
3734     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3735     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3736     GADGET_ID_CAN_FALL_INTO_ACID,               GADGET_ID_NONE,
3737     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3738     NULL, NULL,
3739     "Can fall into acid (with gravity)",        "Player can fall into acid pool"
3740   },
3741   {
3742     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3743     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3744     GADGET_ID_CAN_MOVE_INTO_ACID,               GADGET_ID_NONE,
3745     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3746     NULL, NULL,
3747     "Can move into acid",                       "Element can move into acid pool"
3748   },
3749   {
3750     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3751     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3752     GADGET_ID_DONT_COLLIDE_WITH,                GADGET_ID_NONE,
3753     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3754     NULL, NULL,
3755     "Deadly when colliding with",               "Element is deadly when hitting player"
3756   },
3757   {
3758     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3759     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3760     GADGET_ID_BD_DIAGONAL_MOVEMENTS,            GADGET_ID_NONE,
3761     &level.bd_diagonal_movements,
3762     NULL, NULL,
3763     "Can move diagonally",                      "Player can move diagonally"
3764   },
3765   {
3766     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
3767     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3768     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,         GADGET_ID_NONE,
3769     &level.bd_topmost_player_active,
3770     NULL, NULL,
3771     "Topmost player is active",                 "Use first player found on playfield"
3772   },
3773   {
3774     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
3775     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3776     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,     GADGET_ID_NONE,
3777     &level.bd_push_mega_rock_with_sweet,
3778     NULL, NULL,
3779     "Mega rocks pushable with sweet",           "Push mega rocks after eating sweet"
3780   },
3781   {
3782     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
3783     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3784     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,      GADGET_ID_NONE,
3785     &level.bd_magic_wall_wait_hatching,
3786     NULL, NULL,
3787     "Wait for player's birth",                  "Timer start waits for player's birth"
3788   },
3789   {
3790     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
3791     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3792     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,       GADGET_ID_NONE,
3793     &level.bd_magic_wall_stops_amoeba,
3794     NULL, NULL,
3795     "Turn amoeba to diamonds",                  "Activation changes amoeba to diamonds"
3796   },
3797   {
3798     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
3799     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3800     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,      GADGET_ID_NONE,
3801     &level.bd_amoeba_wait_for_hatching,
3802     NULL, NULL,
3803     "Wait for player's birth",                  "Timer start waits for player's birth"
3804   },
3805   {
3806     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
3807     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3808     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,      GADGET_ID_NONE,
3809     &level.bd_amoeba_start_immediately,
3810     NULL, NULL,
3811     "Start growing immediately",                "Start slow growth time immediately"
3812   },
3813   {
3814     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
3815     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
3816     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,    GADGET_ID_NONE,
3817     &level.bd_amoeba_2_explode_by_amoeba,
3818     NULL, NULL,
3819     "Explodes if touched by amoeba",            "Amoeba 2 explodes if touched by amoeba"
3820   },
3821   {
3822     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
3823     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3824     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,      GADGET_ID_NONE,
3825     &level.bd_voodoo_collects_diamonds,
3826     NULL, NULL,
3827     "Can collect diamonds",                     "Can collect diamonds for the player"
3828   },
3829   {
3830     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
3831     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3832     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,      GADGET_ID_NONE,
3833     &level.bd_voodoo_hurt_kills_player,
3834     NULL, NULL,
3835     "Player is killed if hurt",                 "If hurt in any way, player is killed"
3836   },
3837   {
3838     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
3839     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3840     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,           GADGET_ID_NONE,
3841     &level.bd_voodoo_dies_by_rock,
3842     NULL, NULL,
3843     "Killed by falling rock",                   "Can be killed by a falling rock"
3844   },
3845   {
3846     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
3847     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3848     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,    GADGET_ID_NONE,
3849     &level.bd_voodoo_vanish_by_explosion,
3850     NULL, NULL,
3851     "Disappears in explosions",                 "Can be destroyed by explosions"
3852   },
3853   {
3854     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
3855     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3856     GADGET_ID_BD_SLIME_IS_PREDICTABLE,          GADGET_ID_NONE,
3857     &level.bd_slime_is_predictable,
3858     NULL, NULL,
3859     "Slime is predictable",                     "Use predictable random numbers"
3860   },
3861   {
3862     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
3863     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3864     GADGET_ID_BD_CHANGE_EXPANDING_WALL,         GADGET_ID_NONE,
3865     &level.bd_change_expanding_wall,
3866     NULL, NULL,
3867     "Change direction",                         "Switch horizontal/vertical direction"
3868   },
3869   {
3870     ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
3871     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3872     GADGET_ID_BD_REPLICATORS_ACTIVE,            GADGET_ID_NONE,
3873     &level.bd_replicators_active,
3874     NULL, NULL,
3875     "Active at start",                          "Replicators start in active state"
3876   },
3877   {
3878     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
3879     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3880     GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,         GADGET_ID_NONE,
3881     &level.bd_conveyor_belts_active,
3882     NULL, NULL,
3883     "Active at start",                          "Conveyor belts start in active state"
3884   },
3885   {
3886     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
3887     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3888     GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,        GADGET_ID_NONE,
3889     &level.bd_conveyor_belts_changed,
3890     NULL, NULL,
3891     "Change direction",                         "Switch conveyor belt direction"
3892   },
3893   {
3894     ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
3895     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3896     GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,        GADGET_ID_NONE,
3897     &level.bd_water_cannot_flow_down,
3898     NULL, NULL,
3899     "Does not flow downwards",                  "Water can only flow up, left and right"
3900   },
3901   {
3902     ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
3903     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3904     GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,         GADGET_ID_NONE,
3905     &level.bd_hammer_walls_reappear,
3906     NULL, NULL,
3907     "Hammered walls reappear",                  "Hammered walls reappear after delay"
3908   },
3909   {
3910     ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
3911     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3912     GADGET_ID_BD_CREATURES_START_BACKWARDS,     GADGET_ID_NONE,
3913     &level.bd_creatures_start_backwards,
3914     NULL, NULL,
3915     "Creatures start moving backwards",         "Creatures start in opposite direction"
3916   },
3917   {
3918     ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
3919     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3920     GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,    GADGET_ID_NONE,
3921     &level.bd_creatures_turn_on_hatching,
3922     NULL, NULL,
3923     "Creatures turn on hatching",               "Creatures change direction on hatching"
3924   },
3925   {
3926     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3927     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3928     GADGET_ID_ENVELOPE_AUTOWRAP,                GADGET_ID_NONE,
3929     &level.envelope[0].autowrap,
3930     NULL, NULL,
3931     "Auto-wrap",                                "Automatically wrap envelope text"
3932   },
3933   {
3934     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3935     -1,                                         ED_ELEMENT_SETTINGS_YPOS(1),
3936     GADGET_ID_ENVELOPE_CENTERED,                GADGET_ID_ENVELOPE_AUTOWRAP,
3937     &level.envelope[0].centered,
3938     NULL, " ",
3939     "Centered",                                 "Automatically center envelope text"
3940   },
3941   {
3942     ED_CHECKBUTTON_ID_MM_LASER_RED,
3943     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3944     GADGET_ID_MM_LASER_RED,                     GADGET_ID_NONE,
3945     &level.mm_laser_red,
3946     "Choose color components for laser:", NULL,
3947     "Red",                                      "Use red color components in laser"
3948   },
3949   {
3950     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3951     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3952     GADGET_ID_MM_LASER_GREEN,                   GADGET_ID_NONE,
3953     &level.mm_laser_green,
3954     NULL, NULL,
3955     "Green",                                    "Use green color components in laser"
3956   },
3957   {
3958     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3959     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3960     GADGET_ID_MM_LASER_BLUE,                    GADGET_ID_NONE,
3961     &level.mm_laser_blue,
3962     NULL, NULL,
3963     "Blue",                                     "Use blue color components in laser"
3964   },
3965   {
3966     ED_CHECKBUTTON_ID_DF_LASER_RED,
3967     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3968     GADGET_ID_DF_LASER_RED,                     GADGET_ID_NONE,
3969     &level.df_laser_red,
3970     "Choose color components for laser:", NULL,
3971     "Red",                                      "Use red color components in laser"
3972   },
3973   {
3974     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
3975     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3976     GADGET_ID_DF_LASER_GREEN,                   GADGET_ID_NONE,
3977     &level.df_laser_green,
3978     NULL, NULL,
3979     "Green",                                    "Use green color components in laser"
3980   },
3981   {
3982     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
3983     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3984     GADGET_ID_DF_LASER_BLUE,                    GADGET_ID_NONE,
3985     &level.df_laser_blue,
3986     NULL, NULL,
3987     "Blue",                                     "Use blue color components in laser"
3988   },
3989   {
3990     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
3991     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3992     GADGET_ID_ROTATE_MM_BALL_CONTENT,           GADGET_ID_NONE,
3993     &level.rotate_mm_ball_content,
3994     NULL, NULL,
3995     "Randomly rotate created content",          "Randomly rotate newly created content"
3996   },
3997   {
3998     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
3999     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
4000     GADGET_ID_EXPLODE_MM_BALL,                  GADGET_ID_NONE,
4001     &level.explode_mm_ball,
4002     NULL, NULL,
4003     "Explode ball instead of melting",          "Use explosion to release ball content"
4004   },
4005
4006   // ---------- element settings: configure 1 (custom elements) ---------------
4007
4008   {
4009     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
4010     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4011     GADGET_ID_CUSTOM_USE_GRAPHIC,               GADGET_ID_NONE,
4012     &custom_element.use_gfx_element,
4013     NULL, NULL,
4014     "Use graphic of element:",                  "Use existing element graphic"
4015   },
4016   {
4017     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
4018     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
4019     GADGET_ID_CUSTOM_USE_TEMPLATE_1,            GADGET_ID_NONE,
4020     &level.use_custom_template,
4021     NULL, NULL,
4022     "Use template",                             "Use template for custom properties"
4023   },
4024   {
4025     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
4026     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4027     GADGET_ID_CUSTOM_ACCESSIBLE,                GADGET_ID_NONE,
4028     &custom_element_properties[EP_ACCESSIBLE],
4029     NULL, NULL,
4030     NULL,                                       "Player can walk to or pass this field"
4031   },
4032   {
4033     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
4034     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4035     GADGET_ID_CUSTOM_GRAV_REACHABLE,            GADGET_ID_NONE,
4036     &custom_element_properties[EP_GRAVITY_REACHABLE],
4037     NULL, NULL,
4038     "Reachable despite gravity",                "Player can walk/dig despite gravity"
4039   },
4040   {
4041     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
4042     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4043     GADGET_ID_CUSTOM_USE_LAST_VALUE,            GADGET_ID_NONE,
4044     &custom_element.use_last_ce_value,
4045     NULL, NULL,
4046     "Use last CE value after change",           "Use last CE value after change"
4047   },
4048   {
4049     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
4050     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4051     GADGET_ID_CUSTOM_WALK_TO_OBJECT,            GADGET_ID_NONE,
4052     &custom_element_properties[EP_WALK_TO_OBJECT],
4053     NULL, NULL,
4054     NULL,                                       "Player can dig/collect/push element"
4055   },
4056   {
4057     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
4058     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4059     GADGET_ID_CUSTOM_INDESTRUCTIBLE,            GADGET_ID_NONE,
4060     &custom_element_properties[EP_INDESTRUCTIBLE],
4061     NULL, NULL,
4062     "Indestructible",                           "Element is indestructible"
4063   },
4064
4065   // ---------- element settings: configure 2 (custom elements) ---------------
4066
4067   {
4068     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
4069     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4070     GADGET_ID_CUSTOM_CAN_MOVE,                  GADGET_ID_NONE,
4071     &custom_element_properties[EP_CAN_MOVE],
4072     NULL, NULL,
4073     NULL,                                       "Element can move with some pattern"
4074   },
4075   {
4076     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
4077     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4078     GADGET_ID_CUSTOM_CAN_FALL,                  GADGET_ID_NONE,
4079     &custom_element_properties[EP_CAN_FALL],
4080     NULL, NULL,
4081     "Can fall",                                 "Element can fall down"
4082   },
4083   {
4084     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
4085     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
4086     GADGET_ID_CUSTOM_CAN_SMASH,                 GADGET_ID_CUSTOM_CAN_FALL,
4087     &custom_element_properties[EP_CAN_SMASH],
4088     NULL, " ",
4089     NULL,                                       "Element can smash other elements"
4090   },
4091   {
4092     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
4093     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4094     GADGET_ID_CUSTOM_SLIPPERY,                  GADGET_ID_NONE,
4095     &custom_element_properties[EP_SLIPPERY],
4096     NULL, NULL,
4097     NULL,                                       "Other elements can fall down from it"
4098   },
4099   {
4100     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
4101     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
4102     GADGET_ID_CUSTOM_DEADLY,                    GADGET_ID_NONE,
4103     &custom_element_properties[EP_DEADLY],
4104     NULL, NULL,
4105     NULL,                                       "Element can kill the player"
4106   },
4107   {
4108     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4109     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4110     GADGET_ID_CUSTOM_CAN_EXPLODE,               GADGET_ID_NONE,
4111     &custom_element_properties[EP_CAN_EXPLODE],
4112     NULL, NULL,
4113     NULL,                                       "Element can explode"
4114   },
4115   {
4116     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4117     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(12),
4118     GADGET_ID_CUSTOM_EXPLODE_FIRE,              GADGET_ID_NONE,
4119     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4120     NULL, NULL,
4121     "By fire",                                  "Element can explode by fire/explosion"
4122   },
4123   {
4124     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4125     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4126     GADGET_ID_CUSTOM_EXPLODE_SMASH,             GADGET_ID_CUSTOM_EXPLODE_FIRE,
4127     &custom_element_properties[EP_EXPLODES_SMASHED],
4128     NULL, " ",
4129     "Smashed",                                  "Element can explode when smashed"
4130   },
4131   {
4132     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4133     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4134     GADGET_ID_CUSTOM_EXPLODE_IMPACT,            GADGET_ID_CUSTOM_EXPLODE_SMASH,
4135     &custom_element_properties[EP_EXPLODES_IMPACT],
4136     NULL, " ",
4137     "Impact",                                   "Element can explode on impact"
4138   },
4139
4140   // ---------- element settings: advanced (custom elements) ------------------
4141
4142   {
4143     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4144     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4145     GADGET_ID_CUSTOM_CAN_CHANGE,                GADGET_ID_NONE,
4146     &custom_element_change.can_change,
4147     NULL, NULL,
4148     "Element changes to:",                      "Change element on specified condition"
4149   },
4150   {
4151     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4152     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
4153     GADGET_ID_CHANGE_DELAY,                     GADGET_ID_NONE,
4154     &custom_element_change_events[CE_DELAY],
4155     NULL, NULL,
4156     NULL,                                       "Element changes after delay"
4157   },
4158   {
4159     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4160     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
4161     GADGET_ID_CHANGE_BY_DIRECT_ACT,             GADGET_ID_NONE,
4162     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4163     NULL, NULL,
4164     NULL,                                       "Element changes by direct action"
4165   },
4166   {
4167     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4168     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
4169     GADGET_ID_CHANGE_BY_OTHER_ACT,              GADGET_ID_NONE,
4170     &custom_element_change_events[CE_BY_OTHER_ACTION],
4171     NULL, NULL,
4172     NULL,                                       "Element changes by other element"
4173   },
4174   {
4175     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4176     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(8),
4177     GADGET_ID_CHANGE_USE_EXPLOSION,             GADGET_ID_NONE,
4178     &custom_element_change.explode,
4179     NULL, NULL,
4180     "Explode instead of change",                "Element explodes instead of change"
4181   },
4182   {
4183     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4184     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
4185     GADGET_ID_CHANGE_USE_CONTENT,               GADGET_ID_NONE,
4186     &custom_element_change.use_target_content,
4187     NULL, NULL,
4188     "Use extended change target:",              "Element changes to more elements"
4189   },
4190   {
4191     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4192     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(11),
4193     GADGET_ID_CHANGE_ONLY_COMPLETE,             GADGET_ID_NONE,
4194     &custom_element_change.only_if_complete,
4195     NULL, NULL,
4196     "Replace all or nothing",                   "Only replace when all can be changed"
4197   },
4198   {
4199     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4200     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(12),
4201     GADGET_ID_CHANGE_USE_RANDOM,                GADGET_ID_NONE,
4202     &custom_element_change.use_random_replace,
4203     NULL, NULL,
4204     NULL,                                       "Use percentage for random replace"
4205   },
4206   {
4207     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4208     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
4209     GADGET_ID_CHANGE_HAS_ACTION,                GADGET_ID_NONE,
4210     &custom_element_change.has_action,
4211     NULL, NULL,
4212     NULL,                                       "Execute action on specified condition"
4213   },
4214 };
4215
4216 static struct
4217 {
4218   int gadget_type_id;
4219   int x, y;
4220   int xoffset, yoffset;
4221   int gadget_id;
4222   int gadget_id_align;
4223   int *value;
4224   int area_xsize, area_ysize;
4225   char *text_left, *text_right, *text_above, *text_below, *infotext;
4226 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4227 {
4228   // ---------- level playfield content ---------------------------------------
4229
4230   {
4231     ED_DRAWING_ID_DRAWING_LEVEL,
4232     0,                                          0,
4233     0,                                          0,
4234     GADGET_ID_DRAWING_LEVEL,                    GADGET_ID_NONE,
4235     NULL,
4236     -1, -1,     // these values are not constant, but can change at runtime
4237     NULL, NULL, NULL, NULL,                     NULL
4238   },
4239
4240   // ---------- yam yam content -----------------------------------------------
4241
4242   {
4243     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4244     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4245     ED_AREA_YAMYAM_CONTENT_XOFF(0),             ED_AREA_YAMYAM_CONTENT_YOFF(0),
4246     GADGET_ID_YAMYAM_CONTENT_0,                 GADGET_ID_NONE,
4247     &level.yamyam_content[0].e[0][0],           3, 3,
4248     NULL, NULL, NULL, "1",                      NULL
4249   },
4250   {
4251     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4252     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4253     ED_AREA_YAMYAM_CONTENT_XOFF(1),             ED_AREA_YAMYAM_CONTENT_YOFF(1),
4254     GADGET_ID_YAMYAM_CONTENT_1,                 GADGET_ID_NONE,
4255     &level.yamyam_content[1].e[0][0],           3, 3,
4256     NULL, NULL, NULL, "2",                      NULL
4257   },
4258   {
4259     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4260     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4261     ED_AREA_YAMYAM_CONTENT_XOFF(2),             ED_AREA_YAMYAM_CONTENT_YOFF(2),
4262     GADGET_ID_YAMYAM_CONTENT_2,                 GADGET_ID_NONE,
4263     &level.yamyam_content[2].e[0][0],           3, 3,
4264     NULL, NULL, NULL, "3",                      NULL
4265   },
4266   {
4267     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4268     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4269     ED_AREA_YAMYAM_CONTENT_XOFF(3),             ED_AREA_YAMYAM_CONTENT_YOFF(3),
4270     GADGET_ID_YAMYAM_CONTENT_3,                 GADGET_ID_NONE,
4271     &level.yamyam_content[3].e[0][0],           3, 3,
4272     NULL, NULL, NULL, "4",                      NULL
4273   },
4274   {
4275     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4276     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4277     ED_AREA_YAMYAM_CONTENT_XOFF(4),             ED_AREA_YAMYAM_CONTENT_YOFF(4),
4278     GADGET_ID_YAMYAM_CONTENT_4,                 GADGET_ID_NONE,
4279     &level.yamyam_content[4].e[0][0],           3, 3,
4280     NULL, NULL, NULL, "5",                      NULL
4281   },
4282   {
4283     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4284     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4285     ED_AREA_YAMYAM_CONTENT_XOFF(5),             ED_AREA_YAMYAM_CONTENT_YOFF(5),
4286     GADGET_ID_YAMYAM_CONTENT_5,                 GADGET_ID_NONE,
4287     &level.yamyam_content[5].e[0][0],           3, 3,
4288     NULL, NULL, NULL, "6",                      NULL
4289   },
4290   {
4291     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4292     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4293     ED_AREA_YAMYAM_CONTENT_XOFF(6),             ED_AREA_YAMYAM_CONTENT_YOFF(6),
4294     GADGET_ID_YAMYAM_CONTENT_6,                 GADGET_ID_NONE,
4295     &level.yamyam_content[6].e[0][0],           3, 3,
4296     NULL, NULL, NULL, "7",                      NULL
4297   },
4298   {
4299     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4300     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4301     ED_AREA_YAMYAM_CONTENT_XOFF(7),             ED_AREA_YAMYAM_CONTENT_YOFF(7),
4302     GADGET_ID_YAMYAM_CONTENT_7,                 GADGET_ID_NONE,
4303     &level.yamyam_content[7].e[0][0],           3, 3,
4304     NULL, NULL, NULL, "8",                      NULL
4305   },
4306
4307   // ---------- magic ball content --------------------------------------------
4308
4309   {
4310     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4311     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4312     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4313     GADGET_ID_MAGIC_BALL_CONTENT_0,             GADGET_ID_NONE,
4314     &level.ball_content[0].e[0][0],             3, 3,
4315     NULL, NULL, NULL, "1",                      NULL
4316   },
4317   {
4318     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4319     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4320     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4321     GADGET_ID_MAGIC_BALL_CONTENT_1,             GADGET_ID_NONE,
4322     &level.ball_content[1].e[0][0],             3, 3,
4323     NULL, NULL, NULL, "2",                      NULL
4324   },
4325   {
4326     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4327     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4328     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4329     GADGET_ID_MAGIC_BALL_CONTENT_2,             GADGET_ID_NONE,
4330     &level.ball_content[2].e[0][0],             3, 3,
4331     NULL, NULL, NULL, "3",                      NULL
4332   },
4333   {
4334     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4335     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4336     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4337     GADGET_ID_MAGIC_BALL_CONTENT_3,             GADGET_ID_NONE,
4338     &level.ball_content[3].e[0][0],             3, 3,
4339     NULL, NULL, NULL, "4",                      NULL
4340   },
4341   {
4342     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4343     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4344     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4345     GADGET_ID_MAGIC_BALL_CONTENT_4,             GADGET_ID_NONE,
4346     &level.ball_content[4].e[0][0],             3, 3,
4347     NULL, NULL, NULL, "5",                      NULL
4348   },
4349   {
4350     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4351     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4352     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4353     GADGET_ID_MAGIC_BALL_CONTENT_5,             GADGET_ID_NONE,
4354     &level.ball_content[5].e[0][0],             3, 3,
4355     NULL, NULL, NULL, "6",                      NULL
4356   },
4357   {
4358     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4359     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4360     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4361     GADGET_ID_MAGIC_BALL_CONTENT_6,             GADGET_ID_NONE,
4362     &level.ball_content[6].e[0][0],             3, 3,
4363     NULL, NULL, NULL, "7",                      NULL
4364   },
4365   {
4366     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4367     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4368     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4369     GADGET_ID_MAGIC_BALL_CONTENT_7,             GADGET_ID_NONE,
4370     &level.ball_content[7].e[0][0],             3, 3,
4371     NULL, NULL, NULL, "8",                      NULL
4372   },
4373
4374   // ---------- android content -----------------------------------------------
4375
4376   {
4377     ED_DRAWING_ID_ANDROID_CONTENT,
4378     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4379     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4380     GADGET_ID_ANDROID_CONTENT,                  GADGET_ID_NONE,
4381     &level.android_clone_element[0],            MAX_ANDROID_ELEMENTS, 1,
4382     NULL, NULL, "Elements:", NULL,              "Elements android can clone"
4383   },
4384
4385   // ---------- amoeba content ------------------------------------------------
4386
4387   {
4388     ED_DRAWING_ID_AMOEBA_CONTENT,
4389     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4390     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4391     GADGET_ID_AMOEBA_CONTENT,                   GADGET_ID_NONE,
4392     &level.amoeba_content,                      1, 1,
4393     "Content:", NULL, NULL, NULL,               "Amoeba content"
4394   },
4395
4396   // ---------- BD snap element -----------------------------------------------
4397
4398   {
4399     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4400     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4401     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4402     GADGET_ID_BD_SNAP_ELEMENT,                  GADGET_ID_NONE,
4403     &level.bd_snap_element,                     1, 1,
4404     "Snap element:", NULL, NULL, NULL,          "Element created when snapping"
4405   },
4406
4407   // ---------- BD magic wall elements ----------------------------------------
4408
4409   {
4410     ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
4411     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(4),
4412     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4413     GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO,         GADGET_ID_NONE,
4414     &level.bd_magic_wall_diamond_to,            1, 1,
4415     "Changes diamonds to:", NULL, NULL, NULL,   "Element to turn diamonds to"
4416   },
4417   {
4418     ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
4419     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4420     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4421     GADGET_ID_BD_MAGIC_WALL_ROCK_TO,            GADGET_ID_NONE,
4422     &level.bd_magic_wall_rock_to,               1, 1,
4423     "Changes rocks to:", NULL, NULL, NULL,      "Element to turn rocks to"
4424   },
4425   {
4426     ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
4427     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4428     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4429     GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,       GADGET_ID_NONE,
4430     &level.bd_magic_wall_mega_rock_to,          1, 1,
4431     "Changes mega rocks to:", NULL, NULL, NULL, "Element to turn mega rocks to"
4432   },
4433   {
4434     ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
4435     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4436     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4437     GADGET_ID_BD_MAGIC_WALL_NUT_TO,             GADGET_ID_NONE,
4438     &level.bd_magic_wall_nut_to,                1, 1,
4439     "Changes nuts to:", NULL, NULL, NULL,       "Element to turn nuts to"
4440   },
4441   {
4442     ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
4443     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4444     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4445     GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,      GADGET_ID_NONE,
4446     &level.bd_magic_wall_nitro_pack_to,         1, 1,
4447     "Changes nitro packs to:", NULL, NULL, NULL, "Element to turn nitro packs to"
4448   },
4449   {
4450     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
4451     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(9),
4452     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4453     GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,  GADGET_ID_NONE,
4454     &level.bd_magic_wall_flying_diamond_to,     1, 1,
4455     "Changes flying diamonds to:", NULL, NULL, NULL, "Element to turn flying diamonds to"
4456   },
4457   {
4458     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
4459     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4460     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4461     GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,     GADGET_ID_NONE,
4462     &level.bd_magic_wall_flying_rock_to,        1, 1,
4463     "Changes flying rocks to:", NULL, NULL, NULL, "Element to turn flying rocks to"
4464   },
4465
4466   // ---------- BD amoeba content ---------------------------------------------
4467
4468   {
4469     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4470     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4471     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4472     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,        GADGET_ID_NONE,
4473     &level.bd_amoeba_content_too_big,           1, 1,
4474     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba content if too big"
4475   },
4476   {
4477     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4478     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4479     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4480     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,       GADGET_ID_NONE,
4481     &level.bd_amoeba_content_enclosed,          1, 1,
4482     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba content if enclosed"
4483   },
4484
4485   // ---------- BD amoeba 2 content -------------------------------------------
4486
4487   {
4488     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4489     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4490     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4491     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,      GADGET_ID_NONE,
4492     &level.bd_amoeba_2_content_too_big,         1, 1,
4493     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if too big"
4494   },
4495   {
4496     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4497     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4498     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4499     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,     GADGET_ID_NONE,
4500     &level.bd_amoeba_2_content_enclosed,        1, 1,
4501     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if enclosed"
4502   },
4503   {
4504     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4505     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4506     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4507     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,    GADGET_ID_NONE,
4508     &level.bd_amoeba_2_content_exploding,       1, 1,
4509     "If exploding, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if exploding"
4510   },
4511   {
4512     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4513     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(11),
4514     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4515     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4516     &level.bd_amoeba_2_content_looks_like,      1, 1,
4517     "Use graphic of element:", NULL, NULL, NULL, "BD amoeba 2 looks like this element"
4518   },
4519   {
4520     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
4521     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4522     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4523     GADGET_ID_BD_SLIME_EATS_ELEMENT_1,          GADGET_ID_NONE,
4524     &level.bd_slime_eats_element_1,             1, 1,
4525     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4526   },
4527   {
4528     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
4529     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4530     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4531     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,   GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
4532     &level.bd_slime_converts_to_element_1,      1, 1,
4533     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4534   },
4535   {
4536     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
4537     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4538     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4539     GADGET_ID_BD_SLIME_EATS_ELEMENT_2,          GADGET_ID_NONE,
4540     &level.bd_slime_eats_element_2,             1, 1,
4541     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4542   },
4543   {
4544     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
4545     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4546     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4547     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,   GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
4548     &level.bd_slime_converts_to_element_2,      1, 1,
4549     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4550   },
4551   {
4552     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
4553     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4554     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4555     GADGET_ID_BD_SLIME_EATS_ELEMENT_3,          GADGET_ID_NONE,
4556     &level.bd_slime_eats_element_3,             1, 1,
4557     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4558   },
4559   {
4560     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
4561     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4562     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4563     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,   GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
4564     &level.bd_slime_converts_to_element_3,      1, 1,
4565     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4566   },
4567   {
4568     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4569     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4570     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4571     GADGET_ID_BD_ACID_EATS_ELEMENT,             GADGET_ID_NONE,
4572     &level.bd_acid_eats_element,                1, 1,
4573     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4574   },
4575   {
4576     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4577     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4578     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4579     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,         GADGET_ID_NONE,
4580     &level.bd_acid_turns_to_element,            1, 1,
4581     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4582   },
4583   {
4584     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
4585     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4586     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4587     GADGET_ID_BD_BITER_EATS_ELEMENT,            GADGET_ID_NONE,
4588     &level.bd_biter_eats_element,               1, 1,
4589     "Can eat:", NULL, NULL, NULL,               "Eats this element when moving"
4590   },
4591   {
4592     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
4593     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4594     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4595     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,   GADGET_ID_NONE,
4596     &level.bd_bladder_converts_by_element,      1, 1,
4597     "Turns to clock by touching:", NULL, NULL, NULL, "Turns to clock by touching element"
4598   },
4599   {
4600     ED_DRAWING_ID_BD_NUT_CONTENT,
4601     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4602     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4603     GADGET_ID_BD_NUT_CONTENT,                   GADGET_ID_NONE,
4604     &level.bd_nut_content,                      1, 1,
4605     "When breaking, changes to:", NULL, NULL, NULL, "Element created when breaking nut"
4606   },
4607   {
4608     ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
4609     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4610     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4611     GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE,     GADGET_ID_NONE,
4612     &level.bd_expanding_wall_looks_like,        1, 1,
4613     "Use graphic of element:", NULL, NULL, NULL, "Expanding wall looks like this element"
4614   },
4615   {
4616     ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
4617     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4618     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4619     GADGET_ID_BD_SAND_LOOKS_LIKE,               GADGET_ID_NONE,
4620     &level.bd_sand_looks_like,                  1, 1,
4621     "Use graphic of element:", NULL, NULL, NULL, "Sand looks like this element"
4622   },
4623
4624   // ---------- level start element -------------------------------------------
4625
4626   {
4627     ED_DRAWING_ID_START_ELEMENT,
4628     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(10),
4629     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4630     GADGET_ID_START_ELEMENT,                    GADGET_ID_USE_START_ELEMENT,
4631     &level.start_element[0],                    1, 1,
4632     NULL, NULL, NULL, NULL,                     "Level start element"
4633   },
4634
4635   // ---------- player artwork element ----------------------------------------
4636
4637   {
4638     ED_DRAWING_ID_ARTWORK_ELEMENT,
4639     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(11),
4640     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4641     GADGET_ID_ARTWORK_ELEMENT,                  GADGET_ID_USE_ARTWORK_ELEMENT,
4642     &level.artwork_element[0],                  1, 1,
4643     NULL, NULL, NULL, NULL,                     "Element for player artwork"
4644   },
4645
4646   // ---------- player explosion element --------------------------------------
4647
4648   {
4649     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4650     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(12),
4651     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4652     GADGET_ID_EXPLOSION_ELEMENT,                GADGET_ID_USE_EXPLOSION_ELEMENT,
4653     &level.explosion_element[0],                1, 1,
4654     NULL, NULL, NULL, NULL,                     "Element for player explosion"
4655   },
4656
4657   // ---------- player initial inventory --------------------------------------
4658
4659   {
4660     ED_DRAWING_ID_INVENTORY_CONTENT,
4661     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4662     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4663     GADGET_ID_INVENTORY_CONTENT,                GADGET_ID_USE_INITIAL_INVENTORY,
4664     &level.initial_inventory_content[0][0],     MAX_INITIAL_INVENTORY_SIZE, 1,
4665     NULL, NULL, NULL, NULL,                     "Content for initial inventory"
4666   },
4667
4668   // ---------- gray ball content -----------------------------------------
4669
4670   {
4671     ED_DRAWING_ID_MM_BALL_CONTENT,
4672     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4673     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4674     GADGET_ID_MM_BALL_CONTENT,                  GADGET_ID_NONE,
4675     &level.mm_ball_content[0],                  MAX_MM_BALL_CONTENTS, 1,
4676     "Content:", NULL, NULL, NULL,               "Content for gray ball"
4677   },
4678
4679   // ---------- element settings: configure 1 (custom elements) ---------------
4680
4681   // ---------- custom graphic ------------------------------------------------
4682
4683   {
4684     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4685     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4686     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4687     GADGET_ID_CUSTOM_GRAPHIC,                   GADGET_ID_CUSTOM_USE_GRAPHIC,
4688     &custom_element.gfx_element_initial,        1, 1,
4689     NULL, NULL, NULL, NULL,                     "Custom graphic element"
4690   },
4691
4692   // ---------- element settings: configure 2 (custom elements) ---------------
4693
4694   // ---------- custom content (when exploding) -------------------------------
4695
4696   {
4697     ED_DRAWING_ID_CUSTOM_CONTENT,
4698     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(11),
4699     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
4700     GADGET_ID_CUSTOM_CONTENT,                   GADGET_ID_NONE,         // align three rows
4701     &custom_element.content.e[0][0],            3, 3,
4702     "Content:", NULL, NULL, NULL,               NULL
4703   },
4704
4705   // ---------- custom enter and leave element (when moving) ------------------
4706
4707   {
4708     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4709     ED_AREA_1X1_SETTINGS_XPOS(1),               ED_AREA_1X1_SETTINGS_YPOS(3),
4710     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4711     GADGET_ID_CUSTOM_MOVE_ENTER,                GADGET_ID_NONE,
4712     &custom_element.move_enter_element,         1, 1,
4713     "Can dig:", " ", NULL, NULL,                "Element that can be digged/collected"
4714   },
4715   {
4716     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4717     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(3),
4718     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4719     GADGET_ID_CUSTOM_MOVE_LEAVE,                GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4720     &custom_element.move_leave_element,         1, 1,
4721     NULL, NULL, NULL, NULL,                     "Element that will be left behind"
4722   },
4723
4724   // ---------- element settings: advanced (custom elements) ------------------
4725
4726   // ---------- custom change target ------------------------------------------
4727
4728   {
4729     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4730     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4731     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4732     GADGET_ID_CUSTOM_CHANGE_TARGET,             GADGET_ID_CUSTOM_CAN_CHANGE,
4733     &custom_element_change.target_element,      1, 1,
4734     NULL, "after/when:", NULL, NULL,            "New target element after change"
4735   },
4736
4737   // ---------- custom change content (extended change target) ----------------
4738
4739   {
4740     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4741     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(9),
4742     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
4743     GADGET_ID_CUSTOM_CHANGE_CONTENT,            GADGET_ID_NONE,         // align three rows
4744     &custom_element_change.target_content.e[0][0], 3, 3,
4745     NULL, NULL, NULL, NULL,                     "New extended elements after change"
4746   },
4747
4748   // ---------- custom change trigger (element causing change) ----------------
4749
4750   {
4751     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4752     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(5),
4753     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4754     GADGET_ID_CUSTOM_CHANGE_TRIGGER,            GADGET_ID_CHANGE_OTHER_ACTION,
4755     &custom_element_change.initial_trigger_element, 1, 1,
4756     NULL, NULL, NULL, NULL,                     "Other element triggering change"
4757   },
4758
4759   // ---------- custom change action (element used for action) ----------------
4760
4761   {
4762     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4763     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(13),
4764     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4765     GADGET_ID_CUSTOM_CHANGE_ACTION,             GADGET_ID_ACTION_ARG,
4766     &custom_element_change.action_element,      1, 1,
4767     NULL, NULL, NULL, NULL,                     "Element used as action parameter"
4768   },
4769
4770   // ---------- group element content -----------------------------------------
4771
4772   {
4773     ED_DRAWING_ID_GROUP_CONTENT,
4774     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4775     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4776     GADGET_ID_GROUP_CONTENT,                    GADGET_ID_NONE,
4777     &group_element_info.element[0],             MAX_ELEMENTS_IN_GROUP, 1,
4778     "Content:", NULL, NULL, NULL,               NULL
4779   },
4780
4781   // ---------- random background (for random painting) -----------------------
4782
4783   {
4784     ED_DRAWING_ID_RANDOM_BACKGROUND,
4785     -1,                                         ED_AREA_1X1_LSETTINGS_YPOS(1),
4786     0,                                          ED_AREA_1X1_LSETTINGS_YOFF,
4787     GADGET_ID_RANDOM_BACKGROUND,                GADGET_ID_RANDOM_RESTRICTED,
4788     &random_placement_background_element,       1, 1,
4789     NULL, NULL, NULL, NULL,                     "Random placement background"
4790   },
4791 };
4792
4793
4794 // ----------------------------------------------------------------------------
4795 // some internally used variables
4796 // ----------------------------------------------------------------------------
4797
4798 // maximal size of level editor drawing area
4799 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4800
4801 // actual size of level editor drawing area
4802 static int ed_fieldx, ed_fieldy;
4803
4804 // actual position of level editor drawing area in level playfield
4805 static int level_xpos = -1, level_ypos = -1;
4806
4807 // actual tile size used to display playfield drawing area
4808 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4809 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4810
4811 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4812
4813 // drawing elements on the three mouse buttons
4814 static int new_element1 = EL_WALL;
4815 static int new_element2 = EL_EMPTY;
4816 static int new_element3 = EL_SAND;
4817
4818 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4819 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4820                                 (button) == 2 ? new_element2 : \
4821                                 (button) == 3 ? new_element3 : EL_EMPTY)
4822
4823 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4824
4825 static int use_permanent_palette = TRUE;
4826
4827 #define PX              (use_permanent_palette ? DX : SX)
4828 #define PY              (use_permanent_palette ? DY : SY)
4829 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4830 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4831
4832 // forward declaration for internal use
4833 static void CopyBrushToCursor(int, int);
4834 static void DeleteBrushFromCursor(void);
4835 static void ModifyEditorCounterValue(int, int);
4836 static void ModifyEditorCounterLimits(int, int, int);
4837 static void ModifyEditorSelectboxValue(int, int);
4838 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4839 static void ModifyEditorDrawingArea(int, int, int);
4840 static void ModifyEditorElementList(void);
4841 static void AdjustElementListScrollbar(void);
4842 static void RedrawDrawingElements(void);
4843 static void DrawDrawingWindowExt(boolean);
4844 static void DrawDrawingWindow(void);
4845 static void DrawLevelConfigWindow(void);
4846 static void DrawPropertiesWindow(void);
4847 static void DrawPaletteWindow(void);
4848 static void UpdateCustomElementGraphicGadgets(void);
4849 static boolean checkPropertiesConfig(int);
4850 static void SetAutomaticNumberOfGemsNeeded(void);
4851 static void ClearEditorGadgetInfoText(void);
4852 static void CopyLevelToUndoBuffer(int);
4853 static void HandleDrawingAreas(struct GadgetInfo *);
4854 static void HandleCounterButtons(struct GadgetInfo *);
4855 static void HandleTextInputGadgets(struct GadgetInfo *);
4856 static void HandleTextAreaGadgets(struct GadgetInfo *);
4857 static void HandleSelectboxGadgets(struct GadgetInfo *);
4858 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4859 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4860 static void HandleRadiobuttons(struct GadgetInfo *);
4861 static void HandleCheckbuttons(struct GadgetInfo *);
4862 static void HandleControlButtons(struct GadgetInfo *);
4863 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4864 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4865 static boolean AskToCopyAndModifyLevelTemplate(void);
4866 static boolean getDrawModeHiRes(void);
4867 static int getTabulatorBarWidth(void);
4868 static int getTabulatorBarHeight(void);
4869 static Pixel getTabulatorBarColor(void);
4870 static void getEditorGraphicAndFrame(int, int *, int *, boolean);
4871 static int numHiresTiles(int);
4872
4873 static int num_editor_gadgets = 0;      // dynamically determined
4874
4875 static struct GadgetInfo **level_editor_gadget = NULL;
4876 static int *right_gadget_border = NULL;
4877
4878 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4879 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4880 static boolean draw_with_brush = FALSE;
4881 static int properties_element = 0;
4882
4883 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4884 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4885 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4886 static int undo_buffer_position = 0;
4887 static int undo_buffer_steps = 0;
4888 static int redo_buffer_steps = 0;
4889
4890 static int edit_mode;
4891 static int edit_mode_levelconfig;
4892 static int edit_mode_properties;
4893
4894 static int element_shift = 0;
4895
4896 static int editor_el_players[] =
4897 {
4898   EL_PLAYER_1,
4899   EL_PLAYER_2,
4900   EL_PLAYER_3,
4901   EL_PLAYER_4
4902 };
4903 static int *editor_el_players_ptr = editor_el_players;
4904 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4905
4906 static int editor_hl_boulderdash[] =
4907 {
4908   EL_INTERNAL_CASCADE_BD_ACTIVE,
4909   EL_CHAR('B'),
4910   EL_CHAR('D'),
4911   EL_EMPTY,
4912 };
4913
4914 static int editor_el_boulderdash[] =
4915 {
4916   EL_EMPTY,
4917   EL_SAND,
4918   EL_BD_ROCK,
4919   EL_BD_DIAMOND,
4920
4921   EL_STEELWALL,
4922   EL_BD_WALL,
4923   EL_BD_EXPANDABLE_WALL,
4924   EL_BD_MAGIC_WALL,
4925
4926   EL_BD_AMOEBA,
4927   EL_BD_BUTTERFLY_UP,
4928   EL_BD_FIREFLY_UP,
4929   EL_EXIT_CLOSED,
4930
4931   EL_BD_BUTTERFLY_LEFT,
4932   EL_BD_FIREFLY_LEFT,
4933   EL_BD_BUTTERFLY_RIGHT,
4934   EL_BD_FIREFLY_RIGHT,
4935
4936   EL_EMPTY,
4937   EL_BD_BUTTERFLY_DOWN,
4938   EL_BD_FIREFLY_DOWN,
4939   EL_EXIT_OPEN,
4940 };
4941 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4942 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4943 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4944 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4945
4946 static int editor_hl_boulderdash_native[] =
4947 {
4948   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4949   EL_CHAR('B'),
4950   EL_CHAR('D'),
4951   EL_EMPTY,
4952 };
4953
4954 static int editor_el_boulderdash_native[] =
4955 {
4956   EL_EMPTY,
4957   EL_BD_SAND,
4958   EL_BD_ROCK,
4959   EL_BD_DIAMOND,
4960
4961   EL_BD_STEELWALL,
4962   EL_BD_WALL,
4963   EL_BD_SAND_2,
4964   EL_BD_MAGIC_WALL,
4965
4966   EL_BD_AMOEBA,
4967   EL_BD_BUTTERFLY_UP,
4968   EL_BD_FIREFLY_UP,
4969   EL_BD_EXIT_CLOSED,
4970
4971   EL_BD_BUTTERFLY_LEFT,
4972   EL_BD_FIREFLY_LEFT,
4973   EL_BD_BUTTERFLY_RIGHT,
4974   EL_BD_FIREFLY_RIGHT,
4975
4976   EL_BD_INBOX,
4977   EL_BD_BUTTERFLY_DOWN,
4978   EL_BD_FIREFLY_DOWN,
4979   EL_BD_EXIT_OPEN,
4980
4981   EL_BD_AMOEBA_2,
4982   EL_BD_BUTTERFLY_2_UP,
4983   EL_BD_FIREFLY_2_UP,
4984   EL_BD_SLIME,
4985
4986   EL_BD_BUTTERFLY_2_LEFT,
4987   EL_BD_FIREFLY_2_LEFT,
4988   EL_BD_BUTTERFLY_2_RIGHT,
4989   EL_BD_FIREFLY_2_RIGHT,
4990
4991   EL_BD_BOMB,
4992   EL_BD_BUTTERFLY_2_DOWN,
4993   EL_BD_FIREFLY_2_DOWN,
4994   EL_BD_FLYING_DIAMOND,
4995
4996   EL_BD_NITRO_PACK,
4997   EL_BD_DRAGONFLY_UP,
4998   EL_BD_STONEFLY_UP,
4999   EL_BD_DIAMOND_GLUED,
5000
5001   EL_BD_DRAGONFLY_LEFT,
5002   EL_BD_STONEFLY_LEFT,
5003   EL_BD_DRAGONFLY_RIGHT,
5004   EL_BD_STONEFLY_RIGHT,
5005
5006   EL_BD_NUT,
5007   EL_BD_DRAGONFLY_DOWN,
5008   EL_BD_STONEFLY_DOWN,
5009   EL_EMPTY,
5010
5011   EL_BD_BITER_SWITCH_1,
5012   EL_BD_BITER_UP,
5013   EL_BD_COW_UP,
5014   EL_EMPTY,
5015
5016   EL_BD_BITER_LEFT,
5017   EL_BD_COW_LEFT,
5018   EL_BD_BITER_RIGHT,
5019   EL_BD_COW_RIGHT,
5020
5021   EL_BD_VOODOO_DOLL,
5022   EL_BD_BITER_DOWN,
5023   EL_BD_COW_DOWN,
5024   EL_BD_GHOST,
5025
5026   EL_BD_SAND_GLUED,
5027   EL_BD_SAND_BALL,
5028   EL_BD_SAND_LOOSE,
5029   EL_BD_WALL_NON_SLOPED,
5030
5031   EL_BD_SAND_SLOPED_UP_LEFT,
5032   EL_BD_SAND_SLOPED_UP_RIGHT,
5033   EL_BD_WALL_SLOPED_UP_LEFT,
5034   EL_BD_WALL_SLOPED_UP_RIGHT,
5035
5036   EL_BD_SAND_SLOPED_DOWN_LEFT,
5037   EL_BD_SAND_SLOPED_DOWN_RIGHT,
5038   EL_BD_WALL_SLOPED_DOWN_LEFT,
5039   EL_BD_WALL_SLOPED_DOWN_RIGHT,
5040
5041   EL_BD_FLYING_ROCK,
5042   EL_BD_ROCK_GLUED,
5043   EL_BD_STEELWALL_SLOPED_UP_LEFT,
5044   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
5045
5046   EL_BD_WAITING_ROCK,
5047   EL_BD_CHASING_ROCK,
5048   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
5049   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
5050
5051   EL_BD_MEGA_ROCK,
5052   EL_BD_SWEET,
5053   EL_BD_INVISIBLE_EXIT_CLOSED,
5054   EL_BD_INVISIBLE_EXIT_OPEN,
5055
5056   EL_BD_STEELWALL_EXPLODABLE,
5057   EL_BD_STEELWALL_DIGGABLE,
5058   EL_BD_WALL_DIGGABLE,
5059   EL_BD_FALLING_WALL,
5060
5061   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
5062   EL_BD_EXPANDABLE_WALL_VERTICAL,
5063   EL_BD_EXPANDABLE_WALL_ANY,
5064   EL_BD_EXPANDABLE_WALL_SWITCH,
5065
5066   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
5067   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
5068   EL_BD_EXPANDABLE_STEELWALL_ANY,
5069   EL_BD_CREATURE_SWITCH,
5070
5071   EL_BD_BLADDER,
5072   EL_BD_BLADDER_SPENDER,
5073   EL_BD_REPLICATOR,
5074   EL_BD_REPLICATOR_SWITCH,
5075
5076   EL_BD_CONVEYOR_LEFT,
5077   EL_BD_CONVEYOR_RIGHT,
5078   EL_BD_CONVEYOR_SWITCH,
5079   EL_BD_CONVEYOR_DIR_SWITCH,
5080
5081   EL_BD_CLOCK,
5082   EL_BD_TIME_PENALTY,
5083   EL_BD_GRAVESTONE,
5084   EL_BD_SKELETON,
5085
5086   EL_BD_WATER,
5087   EL_BD_ACID,
5088   EL_BD_LAVA,
5089   EL_BD_BOX,
5090
5091   EL_BD_GATE_1,
5092   EL_BD_GATE_2,
5093   EL_BD_GATE_3,
5094   EL_BD_TRAPPED_DIAMOND,
5095
5096   EL_BD_KEY_1,
5097   EL_BD_KEY_2,
5098   EL_BD_KEY_3,
5099   EL_BD_DIAMOND_KEY,
5100
5101   EL_BD_WALL_KEY_1,
5102   EL_BD_WALL_KEY_2,
5103   EL_BD_WALL_KEY_3,
5104   EL_BD_WALL_DIAMOND,
5105
5106   EL_BD_POT,
5107   EL_BD_GRAVITY_SWITCH,
5108   EL_BD_PNEUMATIC_HAMMER,
5109   EL_BD_TELEPORTER,
5110
5111   EL_BD_PLAYER,
5112   EL_BD_PLAYER_WITH_BOMB,
5113   EL_BD_PLAYER_GLUED,
5114   EL_BD_PLAYER_STIRRING,
5115 };
5116 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
5117 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
5118 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
5119 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
5120
5121 static int editor_hl_boulderdash_effects[] =
5122 {
5123   EL_INTERNAL_CASCADE_BD_EFFECTS_ACTIVE,
5124   EL_CHAR('B'),
5125   EL_CHAR('D'),
5126   EL_CHAR('E'),
5127 };
5128
5129 static int editor_el_boulderdash_effects[] =
5130 {
5131   EL_BD_DIAMOND_FALLING,
5132   EL_BD_ROCK_FALLING,
5133   EL_BD_MEGA_ROCK_FALLING,
5134   EL_BD_FLYING_DIAMOND_FLYING,
5135
5136   EL_BD_FALLING_WALL_FALLING,
5137   EL_BD_NITRO_PACK_FALLING,
5138   EL_BD_NUT_FALLING,
5139   EL_BD_FLYING_ROCK_FLYING,
5140
5141   EL_BD_PLAYER_GROWING_1,
5142   EL_BD_PLAYER_GROWING_2,
5143   EL_BD_PLAYER_GROWING_3,
5144   EL_BD_PLAYER,
5145
5146   EL_BD_PLAYER_WITH_BOMB,
5147   EL_BD_PLAYER_STIRRING,
5148   EL_BD_EXIT_OPEN,
5149   EL_BD_INVISIBLE_EXIT_OPEN,
5150
5151   EL_BD_BLADDER_1,
5152   EL_BD_BLADDER_2,
5153   EL_BD_BLADDER_3,
5154   EL_BD_BLADDER_4,
5155
5156   EL_BD_BLADDER_5,
5157   EL_BD_BLADDER_6,
5158   EL_BD_BLADDER_7,
5159   EL_BD_BLADDER_8,
5160
5161   EL_BD_SAND_2,
5162   EL_BD_COW_ENCLOSED_1,
5163   EL_BD_COW_ENCLOSED_2,
5164   EL_BD_COW_ENCLOSED_3,
5165
5166   EL_BD_COW_ENCLOSED_4,
5167   EL_BD_COW_ENCLOSED_5,
5168   EL_BD_COW_ENCLOSED_6,
5169   EL_BD_COW_ENCLOSED_7,
5170
5171   EL_BD_WATER_1,
5172   EL_BD_WATER_2,
5173   EL_BD_WATER_3,
5174   EL_BD_WATER_4,
5175
5176   EL_BD_WATER_5,
5177   EL_BD_WATER_6,
5178   EL_BD_WATER_7,
5179   EL_BD_WATER_8,
5180
5181   EL_BD_WATER_9,
5182   EL_BD_WATER_10,
5183   EL_BD_WATER_11,
5184   EL_BD_WATER_12,
5185
5186   EL_BD_WATER_13,
5187   EL_BD_WATER_14,
5188   EL_BD_WATER_15,
5189   EL_BD_WATER_16,
5190
5191   EL_BD_BOMB_TICKING_1,
5192   EL_BD_BOMB_TICKING_2,
5193   EL_BD_BOMB_TICKING_3,
5194   EL_BD_BOMB_TICKING_4,
5195
5196   EL_BD_BOMB_TICKING_5,
5197   EL_BD_BOMB_TICKING_6,
5198   EL_BD_BOMB_TICKING_7,
5199   EL_EMPTY,
5200
5201   EL_BD_BOMB_EXPLODING_1,
5202   EL_BD_BOMB_EXPLODING_2,
5203   EL_BD_BOMB_EXPLODING_3,
5204   EL_BD_BOMB_EXPLODING_4,
5205
5206   EL_BD_NUT_BREAKING_1,
5207   EL_BD_NUT_BREAKING_2,
5208   EL_BD_NUT_BREAKING_3,
5209   EL_BD_NUT_BREAKING_4,
5210
5211   EL_BD_EXPLODING_1,
5212   EL_BD_EXPLODING_2,
5213   EL_BD_EXPLODING_3,
5214   EL_BD_EXPLODING_4,
5215
5216   EL_BD_EXPLODING_5,
5217   EL_BD_TIME_PENALTY,
5218   EL_BD_DIAMOND_GROWING_1,
5219   EL_BD_DIAMOND_GROWING_2,
5220
5221   EL_BD_DIAMOND_GROWING_3,
5222   EL_BD_DIAMOND_GROWING_4,
5223   EL_BD_DIAMOND_GROWING_5,
5224   EL_BD_NITRO_PACK_EXPLODING,
5225
5226   EL_BD_NITRO_PACK_EXPLODING_1,
5227   EL_BD_NITRO_PACK_EXPLODING_2,
5228   EL_BD_NITRO_PACK_EXPLODING_3,
5229   EL_BD_NITRO_PACK_EXPLODING_4,
5230
5231   EL_BD_ROCK_GROWING_1,
5232   EL_BD_ROCK_GROWING_2,
5233   EL_BD_ROCK_GROWING_3,
5234   EL_BD_ROCK_GROWING_4,
5235
5236   EL_BD_STEELWALL_GROWING_1,
5237   EL_BD_STEELWALL_GROWING_2,
5238   EL_BD_STEELWALL_GROWING_3,
5239   EL_BD_STEELWALL_GROWING_4,
5240
5241   EL_BD_CLOCK_GROWING_1,
5242   EL_BD_CLOCK_GROWING_2,
5243   EL_BD_CLOCK_GROWING_3,
5244   EL_BD_CLOCK_GROWING_4,
5245
5246   EL_BD_GHOST_EXPLODING_1,
5247   EL_BD_GHOST_EXPLODING_2,
5248   EL_BD_GHOST_EXPLODING_3,
5249   EL_BD_GHOST_EXPLODING_4,
5250 };
5251 static int *editor_hl_boulderdash_effects_ptr = editor_hl_boulderdash_effects;
5252 static int *editor_el_boulderdash_effects_ptr = editor_el_boulderdash_effects;
5253 static int num_editor_hl_boulderdash_effects = ARRAY_SIZE(editor_hl_boulderdash_effects);
5254 static int num_editor_el_boulderdash_effects = ARRAY_SIZE(editor_el_boulderdash_effects);
5255
5256 static int editor_hl_emerald_mine[] =
5257 {
5258   EL_INTERNAL_CASCADE_EM_ACTIVE,
5259   EL_CHAR('E'),
5260   EL_CHAR('M'),
5261   EL_EMPTY,
5262 };
5263
5264 static int editor_el_emerald_mine[] =
5265 {
5266   EL_SAND,
5267   EL_ROCK,
5268   EL_QUICKSAND_EMPTY,
5269   EL_QUICKSAND_FULL,
5270
5271   EL_STEELWALL,
5272   EL_WALL,
5273   EL_WALL_SLIPPERY,
5274   EL_MAGIC_WALL,
5275
5276   EL_EMERALD,
5277   EL_DIAMOND,
5278   EL_NUT,
5279   EL_BOMB,
5280
5281   EL_EM_DYNAMITE,
5282   EL_EM_DYNAMITE_ACTIVE,
5283   EL_EM_EXIT_CLOSED,
5284   EL_EM_EXIT_OPEN,
5285
5286   EL_YAMYAM_UP,
5287   EL_BUG_UP,
5288   EL_SPACESHIP_UP,
5289   EL_ROBOT,
5290
5291   EL_BUG_LEFT,
5292   EL_SPACESHIP_LEFT,
5293   EL_BUG_RIGHT,
5294   EL_SPACESHIP_RIGHT,
5295
5296   EL_ROBOT_WHEEL,
5297   EL_BUG_DOWN,
5298   EL_SPACESHIP_DOWN,
5299   EL_INVISIBLE_WALL,
5300
5301   EL_ACID_POOL_TOPLEFT,
5302   EL_ACID,
5303   EL_ACID_POOL_TOPRIGHT,
5304   EL_AMOEBA_DROP,
5305
5306   EL_ACID_POOL_BOTTOMLEFT,
5307   EL_ACID_POOL_BOTTOM,
5308   EL_ACID_POOL_BOTTOMRIGHT,
5309   EL_AMOEBA_WET,
5310
5311   EL_EM_KEY_1,
5312   EL_EM_KEY_2,
5313   EL_EM_KEY_3,
5314   EL_EM_KEY_4,
5315
5316   EL_EM_GATE_1,
5317   EL_EM_GATE_2,
5318   EL_EM_GATE_3,
5319   EL_EM_GATE_4,
5320
5321   EL_EM_GATE_1_GRAY,
5322   EL_EM_GATE_2_GRAY,
5323   EL_EM_GATE_3_GRAY,
5324   EL_EM_GATE_4_GRAY,
5325 };
5326 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
5327 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
5328 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
5329 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
5330
5331 static int editor_hl_emerald_mine_club[] =
5332 {
5333   EL_INTERNAL_CASCADE_EMC_ACTIVE,
5334   EL_CHAR('E'),
5335   EL_CHAR('M'),
5336   EL_CHAR('C'),
5337 };
5338
5339 static int editor_el_emerald_mine_club[] =
5340 {
5341   EL_EMC_KEY_5,
5342   EL_EMC_KEY_6,
5343   EL_EMC_KEY_7,
5344   EL_EMC_KEY_8,
5345
5346   EL_EMC_GATE_5,
5347   EL_EMC_GATE_6,
5348   EL_EMC_GATE_7,
5349   EL_EMC_GATE_8,
5350
5351   EL_EMC_GATE_5_GRAY,
5352   EL_EMC_GATE_6_GRAY,
5353   EL_EMC_GATE_7_GRAY,
5354   EL_EMC_GATE_8_GRAY,
5355
5356   EL_EMC_STEELWALL_1,
5357   EL_EMC_STEELWALL_2,
5358   EL_EMC_STEELWALL_3,
5359   EL_EMC_STEELWALL_4,
5360
5361   EL_EMC_WALL_13,
5362   EL_EMC_WALL_14,
5363   EL_EMC_WALL_15,
5364   EL_EMC_WALL_16,
5365
5366   EL_EMC_WALL_SLIPPERY_1,
5367   EL_EMC_WALL_SLIPPERY_2,
5368   EL_EMC_WALL_SLIPPERY_3,
5369   EL_EMC_WALL_SLIPPERY_4,
5370
5371   EL_EMC_WALL_1,
5372   EL_EMC_WALL_2,
5373   EL_EMC_WALL_3,
5374   EL_EMC_WALL_4,
5375
5376   EL_EMC_WALL_5,
5377   EL_EMC_WALL_6,
5378   EL_EMC_WALL_7,
5379   EL_EMC_WALL_8,
5380
5381   EL_EMC_WALL_9,
5382   EL_EMC_WALL_10,
5383   EL_EMC_WALL_11,
5384   EL_EMC_WALL_12,
5385
5386   EL_EMC_GRASS,
5387   EL_EMC_FAKE_GRASS,
5388   EL_EMC_PLANT,
5389   EL_EMC_DRIPPER,
5390
5391   EL_EMC_MAGIC_BALL,
5392   EL_EMC_MAGIC_BALL_SWITCH,
5393   EL_EMC_LENSES,
5394   EL_EMC_MAGNIFIER,
5395
5396   EL_SPRING_LEFT,
5397   EL_SPRING,
5398   EL_SPRING_RIGHT,
5399   EL_EMC_SPRING_BUMPER,
5400
5401   EL_BALLOON,
5402   EL_YAMYAM_UP,
5403   EL_BALLOON_SWITCH_UP,
5404   EL_BALLOON_SWITCH_ANY,
5405
5406   EL_YAMYAM_LEFT,
5407   EL_BALLOON_SWITCH_LEFT,
5408   EL_YAMYAM_RIGHT,
5409   EL_BALLOON_SWITCH_RIGHT,
5410
5411   EL_EMC_ANDROID,
5412   EL_YAMYAM_DOWN,
5413   EL_BALLOON_SWITCH_DOWN,
5414   EL_BALLOON_SWITCH_NONE,
5415 };
5416 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5417 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5418 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5419 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5420
5421 static int editor_hl_rnd[] =
5422 {
5423   EL_INTERNAL_CASCADE_RND_ACTIVE,
5424   EL_CHAR('R'),
5425   EL_CHAR('N'),
5426   EL_CHAR('D'),
5427 };
5428
5429 static int editor_el_rnd[] =
5430 {
5431   EL_DYNAMITE,                  // RND
5432   EL_DYNAMITE_ACTIVE,           // RND
5433   EL_EMPTY,
5434   EL_EMPTY,
5435
5436   EL_KEY_1,
5437   EL_KEY_2,
5438   EL_KEY_3,
5439   EL_KEY_4,
5440
5441   EL_GATE_1,
5442   EL_GATE_2,
5443   EL_GATE_3,
5444   EL_GATE_4,
5445
5446   EL_GATE_1_GRAY,
5447   EL_GATE_2_GRAY,
5448   EL_GATE_3_GRAY,
5449   EL_GATE_4_GRAY,
5450
5451   EL_ARROW_LEFT,
5452   EL_ARROW_RIGHT,
5453   EL_ARROW_UP,
5454   EL_ARROW_DOWN,
5455
5456   EL_AMOEBA_DEAD,
5457   EL_AMOEBA_DRY,
5458   EL_AMOEBA_FULL,
5459   EL_GAME_OF_LIFE,
5460
5461   EL_EMERALD_YELLOW,
5462   EL_EMERALD_RED,
5463   EL_EMERALD_PURPLE,
5464   EL_BIOMAZE,
5465
5466   EL_WALL_EMERALD_YELLOW,
5467   EL_WALL_EMERALD_RED,
5468   EL_WALL_EMERALD_PURPLE,
5469   EL_WALL_BD_DIAMOND,
5470
5471   EL_SPEED_PILL,
5472   EL_PACMAN_UP,
5473   EL_TIME_ORB_FULL,
5474   EL_TIME_ORB_EMPTY,
5475
5476   EL_PACMAN_LEFT,
5477   EL_DARK_YAMYAM,
5478   EL_PACMAN_RIGHT,
5479   EL_YAMYAM,                    // RND
5480
5481   EL_BLACK_ORB,
5482   EL_PACMAN_DOWN,
5483   EL_LAMP,
5484   EL_LAMP_ACTIVE,
5485
5486   EL_DYNABOMB_INCREASE_NUMBER,
5487   EL_DYNABOMB_INCREASE_SIZE,
5488   EL_DYNABOMB_INCREASE_POWER,
5489   EL_STONEBLOCK,
5490
5491   EL_MOLE,
5492   EL_PENGUIN,
5493   EL_PIG,
5494   EL_DRAGON,
5495
5496   EL_BUG,
5497   EL_MOLE_UP,
5498   EL_BD_BUTTERFLY,
5499   EL_BD_FIREFLY,
5500
5501   EL_MOLE_LEFT,
5502   EL_SATELLITE,
5503   EL_MOLE_RIGHT,
5504   EL_PACMAN,
5505
5506   EL_SPACESHIP,
5507   EL_MOLE_DOWN,
5508   EL_INVISIBLE_STEELWALL,
5509   EL_INVISIBLE_WALL,
5510
5511   EL_EXPANDABLE_WALL,
5512   EL_EXPANDABLE_WALL_HORIZONTAL,
5513   EL_EXPANDABLE_WALL_VERTICAL,
5514   EL_EXPANDABLE_WALL_ANY,
5515 };
5516 static int *editor_hl_rnd_ptr = editor_hl_rnd;
5517 static int *editor_el_rnd_ptr = editor_el_rnd;
5518 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
5519 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
5520
5521 static int editor_hl_sokoban[] =
5522 {
5523   EL_INTERNAL_CASCADE_SB_ACTIVE,
5524   EL_CHAR('S'),
5525   EL_CHAR('B'),
5526   EL_EMPTY,
5527 };
5528
5529 static int editor_el_sokoban[] =
5530 {
5531   EL_SOKOBAN_OBJECT,
5532   EL_SOKOBAN_FIELD_EMPTY,
5533   EL_SOKOBAN_FIELD_FULL,
5534   EL_SOKOBAN_FIELD_PLAYER,
5535 };
5536 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
5537 static int *editor_el_sokoban_ptr = editor_el_sokoban;
5538 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
5539 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
5540
5541 static int editor_hl_supaplex[] =
5542 {
5543   EL_INTERNAL_CASCADE_SP_ACTIVE,
5544   EL_CHAR('S'),
5545   EL_CHAR('P'),
5546   EL_EMPTY,
5547 };
5548
5549 static int editor_el_supaplex[] =
5550 {
5551   EL_SP_MURPHY,
5552   EL_EMPTY,
5553   EL_SP_BASE,
5554   EL_SP_BUGGY_BASE,
5555
5556   EL_SP_INFOTRON,
5557   EL_SP_ZONK,
5558   EL_SP_SNIKSNAK,
5559   EL_SP_ELECTRON,
5560
5561   EL_SP_DISK_RED,
5562   EL_SP_DISK_ORANGE,
5563   EL_SP_DISK_YELLOW,
5564   EL_SP_TERMINAL,
5565
5566   EL_SP_EXIT_CLOSED,
5567   EL_SP_PORT_HORIZONTAL,
5568   EL_SP_PORT_VERTICAL,
5569   EL_SP_PORT_ANY,
5570
5571   EL_SP_PORT_LEFT,
5572   EL_SP_PORT_RIGHT,
5573   EL_SP_PORT_UP,
5574   EL_SP_PORT_DOWN,
5575
5576   EL_SP_GRAVITY_PORT_LEFT,
5577   EL_SP_GRAVITY_PORT_RIGHT,
5578   EL_SP_GRAVITY_PORT_UP,
5579   EL_SP_GRAVITY_PORT_DOWN,
5580
5581   EL_SP_GRAVITY_ON_PORT_LEFT,
5582   EL_SP_GRAVITY_ON_PORT_RIGHT,
5583   EL_SP_GRAVITY_ON_PORT_UP,
5584   EL_SP_GRAVITY_ON_PORT_DOWN,
5585
5586   EL_SP_GRAVITY_OFF_PORT_LEFT,
5587   EL_SP_GRAVITY_OFF_PORT_RIGHT,
5588   EL_SP_GRAVITY_OFF_PORT_UP,
5589   EL_SP_GRAVITY_OFF_PORT_DOWN,
5590
5591   EL_SP_HARDWARE_GRAY,
5592   EL_SP_HARDWARE_GREEN,
5593   EL_SP_HARDWARE_BLUE,
5594   EL_SP_HARDWARE_RED,
5595
5596   EL_SP_HARDWARE_BASE_1,
5597   EL_SP_HARDWARE_BASE_2,
5598   EL_SP_HARDWARE_BASE_3,
5599   EL_SP_HARDWARE_BASE_4,
5600
5601   EL_SP_HARDWARE_BASE_5,
5602   EL_SP_HARDWARE_BASE_6,
5603   EL_SP_HARDWARE_YELLOW,
5604   EL_SP_CHIP_TOP,
5605
5606   EL_SP_CHIP_SINGLE,
5607   EL_SP_CHIP_LEFT,
5608   EL_SP_CHIP_RIGHT,
5609   EL_SP_CHIP_BOTTOM,
5610 };
5611 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
5612 static int *editor_el_supaplex_ptr = editor_el_supaplex;
5613 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
5614 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
5615
5616 static int editor_hl_diamond_caves[] =
5617 {
5618   EL_INTERNAL_CASCADE_DC_ACTIVE,
5619   EL_CHAR('D'),
5620   EL_CHAR('C'),
5621   EL_CHAR('2'),
5622 };
5623
5624 static int editor_el_diamond_caves[] =
5625 {
5626   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5627   EL_EM_STEEL_EXIT_OPEN,        // DC2
5628   EL_WALL_EMERALD,              // DC2
5629   EL_WALL_DIAMOND,              // DC2
5630
5631   EL_PEARL,
5632   EL_CRYSTAL,
5633   EL_WALL_PEARL,
5634   EL_WALL_CRYSTAL,
5635
5636   EL_CONVEYOR_BELT_1_LEFT,
5637   EL_CONVEYOR_BELT_1_MIDDLE,
5638   EL_CONVEYOR_BELT_1_RIGHT,
5639   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5640
5641   EL_CONVEYOR_BELT_2_LEFT,
5642   EL_CONVEYOR_BELT_2_MIDDLE,
5643   EL_CONVEYOR_BELT_2_RIGHT,
5644   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5645
5646   EL_CONVEYOR_BELT_3_LEFT,
5647   EL_CONVEYOR_BELT_3_MIDDLE,
5648   EL_CONVEYOR_BELT_3_RIGHT,
5649   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5650
5651   EL_CONVEYOR_BELT_4_LEFT,
5652   EL_CONVEYOR_BELT_4_MIDDLE,
5653   EL_CONVEYOR_BELT_4_RIGHT,
5654   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5655
5656   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5657   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5658   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5659   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5660
5661   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5662   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5663   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5664   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5665
5666   EL_TIMEGATE_CLOSED,
5667   EL_TIMEGATE_OPEN,
5668   EL_TIMEGATE_SWITCH,
5669   EL_DC_TIMEGATE_SWITCH,
5670
5671   EL_SWITCHGATE_CLOSED,
5672   EL_SWITCHGATE_OPEN,
5673   EL_SWITCHGATE_SWITCH_UP,
5674   EL_SWITCHGATE_SWITCH_DOWN,
5675
5676   EL_LIGHT_SWITCH,
5677   EL_LIGHT_SWITCH_ACTIVE,
5678   EL_DC_SWITCHGATE_SWITCH_UP,
5679   EL_DC_SWITCHGATE_SWITCH_DOWN,
5680
5681   EL_STEEL_EXIT_CLOSED,
5682   EL_STEEL_EXIT_OPEN,
5683   EL_STEELWALL_SLIPPERY,
5684   EL_INVISIBLE_SAND,
5685
5686   EL_QUICKSAND_FAST_EMPTY,
5687   EL_QUICKSAND_FAST_FULL,
5688   EL_LANDMINE,
5689   EL_DC_LANDMINE,
5690
5691   EL_SHIELD_NORMAL,
5692   EL_SHIELD_DEADLY,
5693   EL_EXTRA_TIME,
5694   EL_DC_MAGIC_WALL,
5695
5696   EL_ENVELOPE_1,
5697   EL_ENVELOPE_2,
5698   EL_ENVELOPE_3,
5699   EL_ENVELOPE_4,
5700
5701   EL_SIGN_RADIOACTIVITY,
5702   EL_SIGN_WHEELCHAIR,
5703   EL_SIGN_PARKING,
5704   EL_SIGN_NO_ENTRY,
5705
5706   EL_SIGN_GIVE_WAY,
5707   EL_SIGN_ENTRY_FORBIDDEN,
5708   EL_SIGN_EMERGENCY_EXIT,
5709   EL_SIGN_YIN_YANG,
5710
5711 #if 0
5712   EL_SIGN_SPERMS,
5713   EL_SIGN_BULLET,
5714   EL_SIGN_HEART,
5715   EL_SIGN_CROSS,
5716
5717   EL_SIGN_FRANKIE,
5718   EL_EMPTY,
5719   EL_EMPTY,
5720   EL_EMPTY,
5721
5722   EL_SPERMS,
5723   EL_BULLET,
5724   EL_HEART,
5725   EL_CROSS,
5726
5727   EL_FRANKIE,
5728   EL_EMPTY,
5729   EL_EMPTY,
5730   EL_EMPTY,
5731 #endif
5732
5733   EL_DC_STEELWALL_2_SINGLE,
5734   EL_DC_STEELWALL_2_TOP,
5735   EL_SIGN_EXCLAMATION,
5736   EL_SIGN_STOP,
5737
5738   EL_DC_STEELWALL_2_LEFT,
5739   EL_DC_STEELWALL_2_MIDDLE,
5740   EL_DC_STEELWALL_2_HORIZONTAL,
5741   EL_DC_STEELWALL_2_RIGHT,
5742
5743   EL_DC_STEELWALL_1_TOPLEFT,
5744   EL_DC_STEELWALL_2_VERTICAL,
5745   EL_DC_STEELWALL_1_TOPRIGHT,
5746   EL_DC_GATE_WHITE,
5747
5748   EL_DC_STEELWALL_1_VERTICAL,
5749   EL_DC_STEELWALL_2_BOTTOM,
5750   EL_DC_KEY_WHITE,
5751   EL_DC_GATE_WHITE_GRAY,
5752
5753   EL_DC_STEELWALL_1_BOTTOMLEFT,
5754   EL_DC_STEELWALL_1_HORIZONTAL,
5755   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5756   EL_DC_GATE_FAKE_GRAY,
5757
5758   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5759   EL_DC_STEELWALL_1_BOTTOM,
5760   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5761   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5762
5763   EL_DC_STEELWALL_1_RIGHT,
5764   EL_EMPTY,
5765   EL_DC_STEELWALL_1_LEFT,
5766   EL_EXPANDABLE_STEELWALL_VERTICAL,
5767
5768   EL_DC_STEELWALL_1_TOPRIGHT_2,
5769   EL_DC_STEELWALL_1_TOP,
5770   EL_DC_STEELWALL_1_TOPLEFT_2,
5771   EL_EXPANDABLE_STEELWALL_ANY,
5772 };
5773 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5774 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5775 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5776 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5777
5778 static int editor_hl_dx_boulderdash[] =
5779 {
5780   EL_INTERNAL_CASCADE_DX_ACTIVE,
5781   EL_CHAR('D'),
5782   EL_CHAR('X'),
5783   EL_EMPTY,
5784 };
5785
5786 static int editor_el_dx_boulderdash[] =
5787 {
5788   EL_EMPTY,
5789   EL_TUBE_RIGHT_DOWN,
5790   EL_TUBE_HORIZONTAL_DOWN,
5791   EL_TUBE_LEFT_DOWN,
5792
5793   EL_TUBE_HORIZONTAL,
5794   EL_TUBE_VERTICAL_RIGHT,
5795   EL_TUBE_ANY,
5796   EL_TUBE_VERTICAL_LEFT,
5797
5798   EL_TUBE_VERTICAL,
5799   EL_TUBE_RIGHT_UP,
5800   EL_TUBE_HORIZONTAL_UP,
5801   EL_TUBE_LEFT_UP,
5802
5803   EL_TRAP,
5804   EL_DX_SUPABOMB,
5805   EL_EMPTY,
5806   EL_EMPTY
5807 };
5808 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5809 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5810 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5811 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5812
5813 static int editor_hl_mirror_magic[] =
5814 {
5815   EL_INTERNAL_CASCADE_MM_ACTIVE,
5816   EL_CHAR('M'),
5817   EL_CHAR('M'),
5818   EL_EMPTY,
5819 };
5820
5821 static int editor_el_mirror_magic[] =
5822 {
5823   EL_MM_MCDUFFIN_RIGHT,
5824   EL_MM_MCDUFFIN_UP,
5825   EL_MM_MCDUFFIN_LEFT,
5826   EL_MM_MCDUFFIN_DOWN,
5827
5828   EL_MM_MIRROR_START,
5829   EL_MM_MIRROR_FIXED_START,
5830   EL_MM_POLARIZER_START,
5831   EL_MM_POLARIZER_CROSS_START,
5832
5833   EL_MM_TELEPORTER_RED_START,
5834   EL_MM_TELEPORTER_YELLOW_START,
5835   EL_MM_TELEPORTER_GREEN_START,
5836   EL_MM_TELEPORTER_BLUE_START,
5837
5838   EL_MM_PRISM,
5839   EL_MM_FUSE_ACTIVE,
5840   EL_MM_PACMAN_RIGHT,
5841   EL_MM_EXIT_CLOSED,
5842
5843   EL_MM_KETTLE,
5844   EL_MM_BOMB,
5845   EL_MM_KEY,
5846   EL_MM_FUEL_FULL,
5847
5848   EL_MM_LIGHTBULB,
5849   EL_MM_LIGHTBULB_ACTIVE,
5850   EL_MM_GRAY_BALL,
5851   EL_MM_LIGHTBALL,
5852
5853   EL_MM_STEEL_WALL,
5854   EL_MM_WOODEN_WALL,
5855   EL_MM_ICE_WALL,
5856   EL_MM_AMOEBA_WALL,
5857
5858   EL_MM_STEEL_LOCK,
5859   EL_MM_WOODEN_LOCK,
5860   EL_MM_STEEL_BLOCK,
5861   EL_MM_WOODEN_BLOCK,
5862
5863   EL_MM_STEEL_GRID_FIXED_1,
5864   EL_MM_STEEL_GRID_FIXED_2,
5865   EL_MM_STEEL_GRID_FIXED_3,
5866   EL_MM_STEEL_GRID_FIXED_4,
5867
5868   EL_MM_WOODEN_GRID_FIXED_1,
5869   EL_MM_WOODEN_GRID_FIXED_2,
5870   EL_MM_WOODEN_GRID_FIXED_3,
5871   EL_MM_WOODEN_GRID_FIXED_4,
5872
5873   EL_MM_ENVELOPE_1,
5874   EL_MM_ENVELOPE_2,
5875   EL_MM_ENVELOPE_3,
5876   EL_MM_ENVELOPE_4
5877 };
5878 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5879 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5880 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5881 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5882
5883 static int editor_hl_deflektor[] =
5884 {
5885   EL_INTERNAL_CASCADE_DF_ACTIVE,
5886   EL_CHAR('D'),
5887   EL_CHAR('F'),
5888   EL_EMPTY,
5889 };
5890
5891 static int editor_el_deflektor[] =
5892 {
5893   EL_DF_LASER_RIGHT,
5894   EL_DF_LASER_UP,
5895   EL_DF_LASER_LEFT,
5896   EL_DF_LASER_DOWN,
5897
5898   EL_DF_RECEIVER_RIGHT,
5899   EL_DF_RECEIVER_UP,
5900   EL_DF_RECEIVER_LEFT,
5901   EL_DF_RECEIVER_DOWN,
5902
5903   EL_DF_MIRROR_START,
5904   EL_DF_MIRROR_ROTATING_START,
5905   EL_DF_MIRROR_FIXED_START,
5906   EL_DF_CELL,
5907
5908   EL_DF_FIBRE_OPTIC_RED_1,
5909   EL_DF_FIBRE_OPTIC_YELLOW_1,
5910   EL_DF_FIBRE_OPTIC_GREEN_1,
5911   EL_DF_FIBRE_OPTIC_BLUE_1,
5912
5913   EL_DF_STEEL_GRID_FIXED_START,
5914   EL_DF_STEEL_GRID_ROTATING_START,
5915   EL_DF_WOODEN_GRID_FIXED_START,
5916   EL_DF_WOODEN_GRID_ROTATING_START,
5917
5918   EL_DF_STEEL_WALL,
5919   EL_DF_WOODEN_WALL,
5920   EL_DF_REFRACTOR,
5921   EL_DF_MINE,
5922
5923   EL_DF_SLOPE_1,
5924   EL_DF_SLOPE_2,
5925   EL_DF_SLOPE_3,
5926   EL_DF_SLOPE_4
5927 };
5928 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5929 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5930 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5931 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5932
5933 static int editor_hl_chars[] =
5934 {
5935   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5936   EL_CHAR('T'),
5937   EL_CHAR('X'),
5938   EL_CHAR('T'),
5939 };
5940
5941 static int editor_el_chars[] =
5942 {
5943   EL_CHAR(' '),
5944   EL_CHAR('!'),
5945   EL_CHAR('"'),
5946   EL_CHAR('#'),
5947
5948   EL_CHAR('$'),
5949   EL_CHAR('%'),
5950   EL_CHAR('&'),
5951   EL_CHAR('\''),
5952
5953   EL_CHAR('('),
5954   EL_CHAR(')'),
5955   EL_CHAR('*'),
5956   EL_CHAR('+'),
5957
5958   EL_CHAR(','),
5959   EL_CHAR('-'),
5960   EL_CHAR('.'),
5961   EL_CHAR('/'),
5962
5963   EL_CHAR('0'),
5964   EL_CHAR('1'),
5965   EL_CHAR('2'),
5966   EL_CHAR('3'),
5967
5968   EL_CHAR('4'),
5969   EL_CHAR('5'),
5970   EL_CHAR('6'),
5971   EL_CHAR('7'),
5972
5973   EL_CHAR('8'),
5974   EL_CHAR('9'),
5975   EL_CHAR(':'),
5976   EL_CHAR(';'),
5977
5978   EL_CHAR('<'),
5979   EL_CHAR('='),
5980   EL_CHAR('>'),
5981   EL_CHAR('?'),
5982
5983   EL_CHAR('@'),
5984   EL_CHAR('A'),
5985   EL_CHAR('B'),
5986   EL_CHAR('C'),
5987
5988   EL_CHAR('D'),
5989   EL_CHAR('E'),
5990   EL_CHAR('F'),
5991   EL_CHAR('G'),
5992
5993   EL_CHAR('H'),
5994   EL_CHAR('I'),
5995   EL_CHAR('J'),
5996   EL_CHAR('K'),
5997
5998   EL_CHAR('L'),
5999   EL_CHAR('M'),
6000   EL_CHAR('N'),
6001   EL_CHAR('O'),
6002
6003   EL_CHAR('P'),
6004   EL_CHAR('Q'),
6005   EL_CHAR('R'),
6006   EL_CHAR('S'),
6007
6008   EL_CHAR('T'),
6009   EL_CHAR('U'),
6010   EL_CHAR('V'),
6011   EL_CHAR('W'),
6012
6013   EL_CHAR('X'),
6014   EL_CHAR('Y'),
6015   EL_CHAR('Z'),
6016   EL_CHAR('['),
6017
6018   EL_CHAR('\\'),
6019   EL_CHAR(']'),
6020   EL_CHAR('^'),
6021   EL_CHAR('_'),
6022
6023   EL_CHAR(CHAR_BYTE_COPYRIGHT),
6024   EL_CHAR(CHAR_BYTE_UMLAUT_A),
6025   EL_CHAR(CHAR_BYTE_UMLAUT_O),
6026   EL_CHAR(CHAR_BYTE_UMLAUT_U),
6027
6028   EL_CHAR(CHAR_BYTE_DEGREE),
6029   EL_CHAR(CHAR_BYTE_REGISTERED),
6030   EL_CHAR(FONT_ASCII_CURSOR),
6031   EL_CHAR(FONT_ASCII_BUTTON),
6032
6033   EL_CHAR(FONT_ASCII_UP),
6034   EL_CHAR(FONT_ASCII_DOWN),
6035   EL_CHAR(' '),
6036   EL_CHAR(' ')
6037 };
6038 static int *editor_hl_chars_ptr = editor_hl_chars;
6039 static int *editor_el_chars_ptr = editor_el_chars;
6040 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
6041 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
6042
6043 static int editor_hl_steel_chars[] =
6044 {
6045   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
6046   EL_STEEL_CHAR('T'),
6047   EL_STEEL_CHAR('X'),
6048   EL_STEEL_CHAR('T'),
6049 };
6050
6051 static int editor_el_steel_chars[] =
6052 {
6053   EL_STEEL_CHAR(' '),
6054   EL_STEEL_CHAR('!'),
6055   EL_STEEL_CHAR('"'),
6056   EL_STEEL_CHAR('#'),
6057
6058   EL_STEEL_CHAR('$'),
6059   EL_STEEL_CHAR('%'),
6060   EL_STEEL_CHAR('&'),
6061   EL_STEEL_CHAR('\''),
6062
6063   EL_STEEL_CHAR('('),
6064   EL_STEEL_CHAR(')'),
6065   EL_STEEL_CHAR('*'),
6066   EL_STEEL_CHAR('+'),
6067
6068   EL_STEEL_CHAR(','),
6069   EL_STEEL_CHAR('-'),
6070   EL_STEEL_CHAR('.'),
6071   EL_STEEL_CHAR('/'),
6072
6073   EL_STEEL_CHAR('0'),
6074   EL_STEEL_CHAR('1'),
6075   EL_STEEL_CHAR('2'),
6076   EL_STEEL_CHAR('3'),
6077
6078   EL_STEEL_CHAR('4'),
6079   EL_STEEL_CHAR('5'),
6080   EL_STEEL_CHAR('6'),
6081   EL_STEEL_CHAR('7'),
6082
6083   EL_STEEL_CHAR('8'),
6084   EL_STEEL_CHAR('9'),
6085   EL_STEEL_CHAR(':'),
6086   EL_STEEL_CHAR(';'),
6087
6088   EL_STEEL_CHAR('<'),
6089   EL_STEEL_CHAR('='),
6090   EL_STEEL_CHAR('>'),
6091   EL_STEEL_CHAR('?'),
6092
6093   EL_STEEL_CHAR('@'),
6094   EL_STEEL_CHAR('A'),
6095   EL_STEEL_CHAR('B'),
6096   EL_STEEL_CHAR('C'),
6097
6098   EL_STEEL_CHAR('D'),
6099   EL_STEEL_CHAR('E'),
6100   EL_STEEL_CHAR('F'),
6101   EL_STEEL_CHAR('G'),
6102
6103   EL_STEEL_CHAR('H'),
6104   EL_STEEL_CHAR('I'),
6105   EL_STEEL_CHAR('J'),
6106   EL_STEEL_CHAR('K'),
6107
6108   EL_STEEL_CHAR('L'),
6109   EL_STEEL_CHAR('M'),
6110   EL_STEEL_CHAR('N'),
6111   EL_STEEL_CHAR('O'),
6112
6113   EL_STEEL_CHAR('P'),
6114   EL_STEEL_CHAR('Q'),
6115   EL_STEEL_CHAR('R'),
6116   EL_STEEL_CHAR('S'),
6117
6118   EL_STEEL_CHAR('T'),
6119   EL_STEEL_CHAR('U'),
6120   EL_STEEL_CHAR('V'),
6121   EL_STEEL_CHAR('W'),
6122
6123   EL_STEEL_CHAR('X'),
6124   EL_STEEL_CHAR('Y'),
6125   EL_STEEL_CHAR('Z'),
6126   EL_STEEL_CHAR('['),
6127
6128   EL_STEEL_CHAR('\\'),
6129   EL_STEEL_CHAR(']'),
6130   EL_STEEL_CHAR('^'),
6131   EL_STEEL_CHAR('_'),
6132
6133   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
6134   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
6135   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
6136   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
6137
6138   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
6139   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
6140   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
6141   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
6142
6143   EL_STEEL_CHAR(FONT_ASCII_UP),
6144   EL_STEEL_CHAR(FONT_ASCII_DOWN),
6145   EL_STEEL_CHAR(' '),
6146   EL_STEEL_CHAR(' ')
6147 };
6148 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
6149 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
6150 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
6151 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
6152
6153 static int editor_hl_custom[] =
6154 {
6155   EL_INTERNAL_CASCADE_CE_ACTIVE,
6156   EL_CHAR('C'),
6157   EL_CHAR('E'),
6158   EL_EMPTY,
6159 };
6160
6161 static int editor_el_custom[] =
6162 {
6163   EL_CUSTOM_START + 0,
6164   EL_CUSTOM_START + 1,
6165   EL_CUSTOM_START + 2,
6166   EL_CUSTOM_START + 3,
6167
6168   EL_CUSTOM_START + 4,
6169   EL_CUSTOM_START + 5,
6170   EL_CUSTOM_START + 6,
6171   EL_CUSTOM_START + 7,
6172
6173   EL_CUSTOM_START + 8,
6174   EL_CUSTOM_START + 9,
6175   EL_CUSTOM_START + 10,
6176   EL_CUSTOM_START + 11,
6177
6178   EL_CUSTOM_START + 12,
6179   EL_CUSTOM_START + 13,
6180   EL_CUSTOM_START + 14,
6181   EL_CUSTOM_START + 15,
6182
6183   EL_CUSTOM_START + 16,
6184   EL_CUSTOM_START + 17,
6185   EL_CUSTOM_START + 18,
6186   EL_CUSTOM_START + 19,
6187
6188   EL_CUSTOM_START + 20,
6189   EL_CUSTOM_START + 21,
6190   EL_CUSTOM_START + 22,
6191   EL_CUSTOM_START + 23,
6192
6193   EL_CUSTOM_START + 24,
6194   EL_CUSTOM_START + 25,
6195   EL_CUSTOM_START + 26,
6196   EL_CUSTOM_START + 27,
6197
6198   EL_CUSTOM_START + 28,
6199   EL_CUSTOM_START + 29,
6200   EL_CUSTOM_START + 30,
6201   EL_CUSTOM_START + 31,
6202
6203   EL_CUSTOM_START + 32,
6204   EL_CUSTOM_START + 33,
6205   EL_CUSTOM_START + 34,
6206   EL_CUSTOM_START + 35,
6207
6208   EL_CUSTOM_START + 36,
6209   EL_CUSTOM_START + 37,
6210   EL_CUSTOM_START + 38,
6211   EL_CUSTOM_START + 39,
6212
6213   EL_CUSTOM_START + 40,
6214   EL_CUSTOM_START + 41,
6215   EL_CUSTOM_START + 42,
6216   EL_CUSTOM_START + 43,
6217
6218   EL_CUSTOM_START + 44,
6219   EL_CUSTOM_START + 45,
6220   EL_CUSTOM_START + 46,
6221   EL_CUSTOM_START + 47,
6222
6223   EL_CUSTOM_START + 48,
6224   EL_CUSTOM_START + 49,
6225   EL_CUSTOM_START + 50,
6226   EL_CUSTOM_START + 51,
6227
6228   EL_CUSTOM_START + 52,
6229   EL_CUSTOM_START + 53,
6230   EL_CUSTOM_START + 54,
6231   EL_CUSTOM_START + 55,
6232
6233   EL_CUSTOM_START + 56,
6234   EL_CUSTOM_START + 57,
6235   EL_CUSTOM_START + 58,
6236   EL_CUSTOM_START + 59,
6237
6238   EL_CUSTOM_START + 60,
6239   EL_CUSTOM_START + 61,
6240   EL_CUSTOM_START + 62,
6241   EL_CUSTOM_START + 63,
6242
6243   EL_CUSTOM_START + 64,
6244   EL_CUSTOM_START + 65,
6245   EL_CUSTOM_START + 66,
6246   EL_CUSTOM_START + 67,
6247
6248   EL_CUSTOM_START + 68,
6249   EL_CUSTOM_START + 69,
6250   EL_CUSTOM_START + 70,
6251   EL_CUSTOM_START + 71,
6252
6253   EL_CUSTOM_START + 72,
6254   EL_CUSTOM_START + 73,
6255   EL_CUSTOM_START + 74,
6256   EL_CUSTOM_START + 75,
6257
6258   EL_CUSTOM_START + 76,
6259   EL_CUSTOM_START + 77,
6260   EL_CUSTOM_START + 78,
6261   EL_CUSTOM_START + 79,
6262
6263   EL_CUSTOM_START + 80,
6264   EL_CUSTOM_START + 81,
6265   EL_CUSTOM_START + 82,
6266   EL_CUSTOM_START + 83,
6267
6268   EL_CUSTOM_START + 84,
6269   EL_CUSTOM_START + 85,
6270   EL_CUSTOM_START + 86,
6271   EL_CUSTOM_START + 87,
6272
6273   EL_CUSTOM_START + 88,
6274   EL_CUSTOM_START + 89,
6275   EL_CUSTOM_START + 90,
6276   EL_CUSTOM_START + 91,
6277
6278   EL_CUSTOM_START + 92,
6279   EL_CUSTOM_START + 93,
6280   EL_CUSTOM_START + 94,
6281   EL_CUSTOM_START + 95,
6282
6283   EL_CUSTOM_START + 96,
6284   EL_CUSTOM_START + 97,
6285   EL_CUSTOM_START + 98,
6286   EL_CUSTOM_START + 99,
6287
6288   EL_CUSTOM_START + 100,
6289   EL_CUSTOM_START + 101,
6290   EL_CUSTOM_START + 102,
6291   EL_CUSTOM_START + 103,
6292
6293   EL_CUSTOM_START + 104,
6294   EL_CUSTOM_START + 105,
6295   EL_CUSTOM_START + 106,
6296   EL_CUSTOM_START + 107,
6297
6298   EL_CUSTOM_START + 108,
6299   EL_CUSTOM_START + 109,
6300   EL_CUSTOM_START + 110,
6301   EL_CUSTOM_START + 111,
6302
6303   EL_CUSTOM_START + 112,
6304   EL_CUSTOM_START + 113,
6305   EL_CUSTOM_START + 114,
6306   EL_CUSTOM_START + 115,
6307
6308   EL_CUSTOM_START + 116,
6309   EL_CUSTOM_START + 117,
6310   EL_CUSTOM_START + 118,
6311   EL_CUSTOM_START + 119,
6312
6313   EL_CUSTOM_START + 120,
6314   EL_CUSTOM_START + 121,
6315   EL_CUSTOM_START + 122,
6316   EL_CUSTOM_START + 123,
6317
6318   EL_CUSTOM_START + 124,
6319   EL_CUSTOM_START + 125,
6320   EL_CUSTOM_START + 126,
6321   EL_CUSTOM_START + 127,
6322
6323   EL_CUSTOM_START + 128,
6324   EL_CUSTOM_START + 129,
6325   EL_CUSTOM_START + 130,
6326   EL_CUSTOM_START + 131,
6327
6328   EL_CUSTOM_START + 132,
6329   EL_CUSTOM_START + 133,
6330   EL_CUSTOM_START + 134,
6331   EL_CUSTOM_START + 135,
6332
6333   EL_CUSTOM_START + 136,
6334   EL_CUSTOM_START + 137,
6335   EL_CUSTOM_START + 138,
6336   EL_CUSTOM_START + 139,
6337
6338   EL_CUSTOM_START + 140,
6339   EL_CUSTOM_START + 141,
6340   EL_CUSTOM_START + 142,
6341   EL_CUSTOM_START + 143,
6342
6343   EL_CUSTOM_START + 144,
6344   EL_CUSTOM_START + 145,
6345   EL_CUSTOM_START + 146,
6346   EL_CUSTOM_START + 147,
6347
6348   EL_CUSTOM_START + 148,
6349   EL_CUSTOM_START + 149,
6350   EL_CUSTOM_START + 150,
6351   EL_CUSTOM_START + 151,
6352
6353   EL_CUSTOM_START + 152,
6354   EL_CUSTOM_START + 153,
6355   EL_CUSTOM_START + 154,
6356   EL_CUSTOM_START + 155,
6357
6358   EL_CUSTOM_START + 156,
6359   EL_CUSTOM_START + 157,
6360   EL_CUSTOM_START + 158,
6361   EL_CUSTOM_START + 159,
6362
6363   EL_CUSTOM_START + 160,
6364   EL_CUSTOM_START + 161,
6365   EL_CUSTOM_START + 162,
6366   EL_CUSTOM_START + 163,
6367
6368   EL_CUSTOM_START + 164,
6369   EL_CUSTOM_START + 165,
6370   EL_CUSTOM_START + 166,
6371   EL_CUSTOM_START + 167,
6372
6373   EL_CUSTOM_START + 168,
6374   EL_CUSTOM_START + 169,
6375   EL_CUSTOM_START + 170,
6376   EL_CUSTOM_START + 171,
6377
6378   EL_CUSTOM_START + 172,
6379   EL_CUSTOM_START + 173,
6380   EL_CUSTOM_START + 174,
6381   EL_CUSTOM_START + 175,
6382
6383   EL_CUSTOM_START + 176,
6384   EL_CUSTOM_START + 177,
6385   EL_CUSTOM_START + 178,
6386   EL_CUSTOM_START + 179,
6387
6388   EL_CUSTOM_START + 180,
6389   EL_CUSTOM_START + 181,
6390   EL_CUSTOM_START + 182,
6391   EL_CUSTOM_START + 183,
6392
6393   EL_CUSTOM_START + 184,
6394   EL_CUSTOM_START + 185,
6395   EL_CUSTOM_START + 186,
6396   EL_CUSTOM_START + 187,
6397
6398   EL_CUSTOM_START + 188,
6399   EL_CUSTOM_START + 189,
6400   EL_CUSTOM_START + 190,
6401   EL_CUSTOM_START + 191,
6402
6403   EL_CUSTOM_START + 192,
6404   EL_CUSTOM_START + 193,
6405   EL_CUSTOM_START + 194,
6406   EL_CUSTOM_START + 195,
6407
6408   EL_CUSTOM_START + 196,
6409   EL_CUSTOM_START + 197,
6410   EL_CUSTOM_START + 198,
6411   EL_CUSTOM_START + 199,
6412
6413   EL_CUSTOM_START + 200,
6414   EL_CUSTOM_START + 201,
6415   EL_CUSTOM_START + 202,
6416   EL_CUSTOM_START + 203,
6417
6418   EL_CUSTOM_START + 204,
6419   EL_CUSTOM_START + 205,
6420   EL_CUSTOM_START + 206,
6421   EL_CUSTOM_START + 207,
6422
6423   EL_CUSTOM_START + 208,
6424   EL_CUSTOM_START + 209,
6425   EL_CUSTOM_START + 210,
6426   EL_CUSTOM_START + 211,
6427
6428   EL_CUSTOM_START + 212,
6429   EL_CUSTOM_START + 213,
6430   EL_CUSTOM_START + 214,
6431   EL_CUSTOM_START + 215,
6432
6433   EL_CUSTOM_START + 216,
6434   EL_CUSTOM_START + 217,
6435   EL_CUSTOM_START + 218,
6436   EL_CUSTOM_START + 219,
6437
6438   EL_CUSTOM_START + 220,
6439   EL_CUSTOM_START + 221,
6440   EL_CUSTOM_START + 222,
6441   EL_CUSTOM_START + 223,
6442
6443   EL_CUSTOM_START + 224,
6444   EL_CUSTOM_START + 225,
6445   EL_CUSTOM_START + 226,
6446   EL_CUSTOM_START + 227,
6447
6448   EL_CUSTOM_START + 228,
6449   EL_CUSTOM_START + 229,
6450   EL_CUSTOM_START + 230,
6451   EL_CUSTOM_START + 231,
6452
6453   EL_CUSTOM_START + 232,
6454   EL_CUSTOM_START + 233,
6455   EL_CUSTOM_START + 234,
6456   EL_CUSTOM_START + 235,
6457
6458   EL_CUSTOM_START + 236,
6459   EL_CUSTOM_START + 237,
6460   EL_CUSTOM_START + 238,
6461   EL_CUSTOM_START + 239,
6462
6463   EL_CUSTOM_START + 240,
6464   EL_CUSTOM_START + 241,
6465   EL_CUSTOM_START + 242,
6466   EL_CUSTOM_START + 243,
6467
6468   EL_CUSTOM_START + 244,
6469   EL_CUSTOM_START + 245,
6470   EL_CUSTOM_START + 246,
6471   EL_CUSTOM_START + 247,
6472
6473   EL_CUSTOM_START + 248,
6474   EL_CUSTOM_START + 249,
6475   EL_CUSTOM_START + 250,
6476   EL_CUSTOM_START + 251,
6477
6478   EL_CUSTOM_START + 252,
6479   EL_CUSTOM_START + 253,
6480   EL_CUSTOM_START + 254,
6481   EL_CUSTOM_START + 255
6482 };
6483 static int *editor_hl_custom_ptr = editor_hl_custom;
6484 static int *editor_el_custom_ptr = editor_el_custom;
6485 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
6486 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
6487
6488 static int editor_hl_group[] =
6489 {
6490   EL_INTERNAL_CASCADE_GE_ACTIVE,
6491   EL_CHAR('G'),
6492   EL_CHAR('E'),
6493   EL_EMPTY,
6494 };
6495
6496 static int editor_el_group[] =
6497 {
6498   EL_GROUP_START + 0,
6499   EL_GROUP_START + 1,
6500   EL_GROUP_START + 2,
6501   EL_GROUP_START + 3,
6502
6503   EL_GROUP_START + 4,
6504   EL_GROUP_START + 5,
6505   EL_GROUP_START + 6,
6506   EL_GROUP_START + 7,
6507
6508   EL_GROUP_START + 8,
6509   EL_GROUP_START + 9,
6510   EL_GROUP_START + 10,
6511   EL_GROUP_START + 11,
6512
6513   EL_GROUP_START + 12,
6514   EL_GROUP_START + 13,
6515   EL_GROUP_START + 14,
6516   EL_GROUP_START + 15,
6517
6518   EL_GROUP_START + 16,
6519   EL_GROUP_START + 17,
6520   EL_GROUP_START + 18,
6521   EL_GROUP_START + 19,
6522
6523   EL_GROUP_START + 20,
6524   EL_GROUP_START + 21,
6525   EL_GROUP_START + 22,
6526   EL_GROUP_START + 23,
6527
6528   EL_GROUP_START + 24,
6529   EL_GROUP_START + 25,
6530   EL_GROUP_START + 26,
6531   EL_GROUP_START + 27,
6532
6533   EL_GROUP_START + 28,
6534   EL_GROUP_START + 29,
6535   EL_GROUP_START + 30,
6536   EL_GROUP_START + 31
6537 };
6538 static int *editor_hl_group_ptr = editor_hl_group;
6539 static int *editor_el_group_ptr = editor_el_group;
6540 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
6541 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
6542
6543 static int editor_hl_empty_space[] =
6544 {
6545   EL_INTERNAL_CASCADE_ES_ACTIVE,
6546   EL_CHAR('E'),
6547   EL_CHAR('S'),
6548   EL_EMPTY,
6549 };
6550
6551 static int editor_el_empty_space[] =
6552 {
6553   EL_EMPTY_SPACE_1,
6554   EL_EMPTY_SPACE_2,
6555   EL_EMPTY_SPACE_3,
6556   EL_EMPTY_SPACE_4,
6557
6558   EL_EMPTY_SPACE_5,
6559   EL_EMPTY_SPACE_6,
6560   EL_EMPTY_SPACE_7,
6561   EL_EMPTY_SPACE_8,
6562
6563   EL_EMPTY_SPACE_9,
6564   EL_EMPTY_SPACE_10,
6565   EL_EMPTY_SPACE_11,
6566   EL_EMPTY_SPACE_12,
6567
6568   EL_EMPTY_SPACE_13,
6569   EL_EMPTY_SPACE_14,
6570   EL_EMPTY_SPACE_15,
6571   EL_EMPTY_SPACE_16
6572 };
6573 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
6574 static int *editor_el_empty_space_ptr = editor_el_empty_space;
6575 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
6576 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
6577
6578 static int editor_hl_reference[] =
6579 {
6580   EL_INTERNAL_CASCADE_REF_ACTIVE,
6581   EL_CHAR('R'),
6582   EL_CHAR('E'),
6583   EL_CHAR('F')
6584 };
6585
6586 static int editor_el_reference[] =
6587 {
6588   EL_TRIGGER_PLAYER,
6589   EL_TRIGGER_ELEMENT,
6590   EL_TRIGGER_CE_VALUE,
6591   EL_TRIGGER_CE_SCORE,
6592
6593   EL_SELF,
6594   EL_ANY_ELEMENT,
6595   EL_CURRENT_CE_VALUE,
6596   EL_CURRENT_CE_SCORE,
6597
6598   EL_PREV_CE_8,
6599   EL_PREV_CE_7,
6600   EL_PREV_CE_6,
6601   EL_PREV_CE_5,
6602
6603   EL_PREV_CE_4,
6604   EL_PREV_CE_3,
6605   EL_PREV_CE_2,
6606   EL_PREV_CE_1,
6607
6608   EL_NEXT_CE_1,
6609   EL_NEXT_CE_2,
6610   EL_NEXT_CE_3,
6611   EL_NEXT_CE_4,
6612
6613   EL_NEXT_CE_5,
6614   EL_NEXT_CE_6,
6615   EL_NEXT_CE_7,
6616   EL_NEXT_CE_8,
6617 };
6618 static int *editor_hl_reference_ptr = editor_hl_reference;
6619 static int *editor_el_reference_ptr = editor_el_reference;
6620 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6621 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6622
6623 static int editor_hl_user_defined[] =
6624 {
6625   EL_INTERNAL_CASCADE_USER_ACTIVE,
6626   EL_CHAR('M'),
6627   EL_CHAR('Y'),
6628   EL_EMPTY,
6629 };
6630
6631 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6632 static int *editor_el_user_defined_ptr = NULL;
6633 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6634 static int num_editor_el_user_defined = 0;
6635
6636 static int editor_hl_dynamic[] =
6637 {
6638   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6639   EL_CHAR('U'),
6640   EL_CHAR('S'),
6641   EL_CHAR('E'),
6642 };
6643
6644 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6645 static int *editor_el_dynamic_ptr = NULL;
6646 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6647 static int num_editor_el_dynamic = 0;
6648
6649 static int editor_hl_empty[] = { EL_EMPTY };
6650 static int *editor_el_empty = NULL;     // dynamically allocated
6651
6652 static int *editor_hl_empty_ptr = editor_hl_empty;
6653 static int *editor_el_empty_ptr = NULL;
6654 static int num_editor_hl_empty = 0;
6655 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6656
6657 static boolean use_el_empty = FALSE;
6658
6659 static int *editor_elements = NULL;     // dynamically allocated
6660 static int num_editor_elements = 0;     // dynamically determined
6661
6662 static boolean setup_editor_cascade_never = FALSE;
6663
6664 static boolean setup_editor_el_players                  = TRUE;
6665 static boolean setup_editor_el_boulderdash              = TRUE;
6666 static boolean setup_editor_el_boulderdash_native       = TRUE;
6667 static boolean setup_editor_el_boulderdash_effects      = TRUE;
6668 static boolean setup_editor_el_emerald_mine             = TRUE;
6669 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6670 static boolean setup_editor_el_more                     = TRUE;
6671 static boolean setup_editor_el_sokoban                  = TRUE;
6672 static boolean setup_editor_el_supaplex                 = TRUE;
6673 static boolean setup_editor_el_diamond_caves            = TRUE;
6674 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6675 static boolean setup_editor_el_mirror_magic             = TRUE;
6676 static boolean setup_editor_el_deflektor                = TRUE;
6677 static boolean setup_editor_el_chars                    = TRUE;
6678 static boolean setup_editor_el_steel_chars              = TRUE;
6679 static boolean setup_editor_el_custom                   = TRUE;
6680 static boolean setup_editor_el_user_defined             = TRUE;
6681 static boolean setup_editor_el_dynamic                  = TRUE;
6682
6683 static int editor_hl_unused[] = { EL_EMPTY };
6684 static int *editor_hl_unused_ptr = editor_hl_unused;
6685 static int num_editor_hl_unused = 0;
6686
6687 static struct
6688 {
6689   boolean *setup_value;
6690   boolean *setup_cascade_value;
6691
6692   int **headline_list;
6693   int *headline_list_size;
6694
6695   int **element_list;
6696   int *element_list_size;
6697
6698   boolean last_setup_value;
6699 }
6700 editor_elements_info[] =
6701 {
6702   {
6703     &setup_editor_el_players,
6704     &setup_editor_cascade_never,
6705     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6706     &editor_el_players_ptr,             &num_editor_el_players
6707   },
6708   {
6709     &setup_editor_el_boulderdash,
6710     &setup.editor_cascade.el_bd,
6711     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6712     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6713   },
6714   {
6715     &setup_editor_el_boulderdash_native,
6716     &setup.editor_cascade.el_bd_native,
6717     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6718     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6719   },
6720   {
6721     &setup_editor_el_boulderdash_effects,
6722     &setup.editor_cascade.el_bd_effects,
6723     &editor_hl_boulderdash_effects_ptr, &num_editor_hl_boulderdash_effects,
6724     &editor_el_boulderdash_effects_ptr, &num_editor_el_boulderdash_effects
6725   },
6726   {
6727     &setup_editor_el_emerald_mine,
6728     &setup.editor_cascade.el_em,
6729     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6730     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6731   },
6732   {
6733     &setup_editor_el_emerald_mine_club,
6734     &setup.editor_cascade.el_emc,
6735     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6736     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6737   },
6738   {
6739     &setup_editor_el_more,
6740     &setup.editor_cascade.el_rnd,
6741     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6742     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6743   },
6744   {
6745     &setup_editor_el_sokoban,
6746     &setup.editor_cascade.el_sb,
6747     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6748     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6749   },
6750   {
6751     &setup_editor_el_supaplex,
6752     &setup.editor_cascade.el_sp,
6753     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6754     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6755   },
6756   {
6757     &setup_editor_el_diamond_caves,
6758     &setup.editor_cascade.el_dc,
6759     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6760     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6761   },
6762   {
6763     &setup_editor_el_dx_boulderdash,
6764     &setup.editor_cascade.el_dx,
6765     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6766     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6767   },
6768   {
6769     &setup_editor_el_mirror_magic,
6770     &setup.editor_cascade.el_mm,
6771     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6772     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6773   },
6774   {
6775     &setup_editor_el_deflektor,
6776     &setup.editor_cascade.el_df,
6777     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6778     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6779   },
6780   {
6781     &setup_editor_el_chars,
6782     &setup.editor_cascade.el_chars,
6783     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6784     &editor_el_chars_ptr,               &num_editor_el_chars
6785   },
6786   {
6787     &setup_editor_el_steel_chars,
6788     &setup.editor_cascade.el_steel_chars,
6789     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6790     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6791   },
6792   {
6793     &setup_editor_el_custom,
6794     &setup.editor_cascade.el_ce,
6795     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6796     &editor_el_custom_ptr,              &num_editor_el_custom
6797   },
6798   {
6799     &setup_editor_el_custom,
6800     &setup.editor_cascade.el_ge,
6801     &editor_hl_group_ptr,               &num_editor_hl_group,
6802     &editor_el_group_ptr,               &num_editor_el_group
6803   },
6804   {
6805     &setup_editor_el_custom,
6806     &setup.editor_cascade.el_es,
6807     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6808     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6809   },
6810   {
6811     &setup_editor_el_custom,
6812     &setup.editor_cascade.el_ref,
6813     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6814     &editor_el_reference_ptr,           &num_editor_el_reference
6815   },
6816   {
6817     &setup_editor_el_user_defined,
6818     &setup.editor_cascade.el_user,
6819     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6820     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6821   },
6822   {
6823     &setup_editor_el_dynamic,
6824     &setup.editor_cascade.el_dynamic,
6825     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6826     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6827   },
6828   {
6829     &use_el_empty,
6830     &use_el_empty,
6831     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6832     &editor_el_empty_ptr,               &num_editor_el_empty,
6833   },
6834   {
6835     NULL,
6836     NULL,
6837     NULL,                               NULL,
6838     NULL,                               NULL
6839   }
6840 };
6841
6842 static struct XY xy_directions[] =
6843 {
6844   { -1,  0 },
6845   { +1,  0 },
6846   {  0, -1 },
6847   {  0, +1 }
6848 };
6849
6850
6851 // ----------------------------------------------------------------------------
6852 // functions
6853 // ----------------------------------------------------------------------------
6854
6855 static int getMaxInfoTextLength(void)
6856 {
6857   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6858 }
6859
6860 static int getTextWidthForGadget(char *text)
6861 {
6862   if (text == NULL)
6863     return 0;
6864
6865   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6866 }
6867
6868 static int getTextWidthForDrawingArea(char *text)
6869 {
6870   if (text == NULL)
6871     return 0;
6872
6873   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
6874 }
6875
6876 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6877 {
6878   return (gi->x + gi->width + getTextWidthForGadget(text));
6879 }
6880
6881 static char *getElementInfoText(int element)
6882 {
6883   char *info_text = NULL;
6884
6885   if (element < MAX_NUM_ELEMENTS)
6886   {
6887     if (strlen(element_info[element].description) > 0)
6888       info_text = element_info[element].description;
6889     else if (element_info[element].custom_description != NULL)
6890       info_text = element_info[element].custom_description;
6891     else if (element_info[element].editor_description != NULL)
6892       info_text = element_info[element].editor_description;
6893   }
6894
6895   if (info_text == NULL)
6896     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6897
6898   return info_text;
6899 }
6900
6901 static char *getElementDescriptionFilenameExt(char *basename)
6902 {
6903   char *elements_subdir = ELEMENTS_DIRECTORY;
6904   static char *elements_subdir2 = NULL;
6905   static char *filename = NULL;
6906
6907   if (elements_subdir2 == NULL)
6908     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6909
6910   checked_free(filename);
6911
6912   // 1st try: look for element description in current level set directory
6913   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6914   if (fileExists(filename))
6915     return filename;
6916
6917   free(filename);
6918
6919   // 2nd try: look for element description in the game's base directory
6920   filename = getPath3(options.docs_directory, elements_subdir, basename);
6921   if (fileExists(filename))
6922     return filename;
6923
6924   return NULL;
6925 }
6926
6927 static char *getElementDescriptionFilename(int element)
6928 {
6929   char basename[MAX_FILENAME_LEN];
6930   char *filename;
6931
6932   // 1st try: look for element description file for exactly this element
6933   sprintf(basename, "%s.txt", element_info[element].token_name);
6934   filename = getElementDescriptionFilenameExt(basename);
6935   if (filename != NULL)
6936     return filename;
6937
6938   // 2nd try: look for element description file for this element's class
6939   sprintf(basename, "%s.txt", element_info[element].class_name);
6940   filename = getElementDescriptionFilenameExt(basename);
6941   if (filename != NULL)
6942     return filename;
6943
6944   // 3rd try: look for generic fallback text file for any element
6945   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6946   if (filename != NULL)
6947     return filename;
6948
6949   return NULL;
6950 }
6951
6952 static boolean suppressBorderElement(void)
6953 {
6954   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6955           lev_fieldx <= MAX_ED_FIELDX &&
6956           lev_fieldy <= MAX_ED_FIELDY);
6957 }
6958
6959 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6960 {
6961   boolean element_found[NUM_FILE_ELEMENTS];
6962   int i, x, y;
6963
6964   // initialize list of used elements to "not used"
6965   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6966     element_found[i] = FALSE;
6967
6968   // find all elements used in current level
6969   for (y = 0; y < lev_fieldy; y++)
6970   {
6971     for (x = 0; x < lev_fieldx; x++)
6972     {
6973       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
6974         continue;
6975
6976       if (IS_MM_WALL(Tile[x][y]))
6977         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
6978       else
6979         element_found[Tile[x][y]] = TRUE;
6980     }
6981   }
6982
6983   *num_elements = 0;
6984
6985   // count number of elements used in current level
6986   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6987     if (element_found[i])
6988       (*num_elements)++;
6989
6990   // add space for up to 3 more elements for padding that may be needed
6991   *num_elements += 3;
6992
6993   // free memory for old list of elements, if needed
6994   checked_free(*elements);
6995
6996   // allocate memory for new list of elements
6997   *elements = checked_malloc(*num_elements * sizeof(int));
6998
6999   *num_elements = 0;
7000
7001   // add all elements used in current level (non-custom/group/empty elements)
7002   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7003     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
7004                               IS_GROUP_ELEMENT(i) ||
7005                               IS_EMPTY_ELEMENT(i)))
7006       (*elements)[(*num_elements)++] = i;
7007
7008   // add all elements used in current level (custom/group/empty elements)
7009   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7010     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
7011                              IS_GROUP_ELEMENT(i) ||
7012                              IS_EMPTY_ELEMENT(i)))
7013       (*elements)[(*num_elements)++] = i;
7014
7015   while (*num_elements % 4)     // pad with empty elements, if needed
7016     (*elements)[(*num_elements)++] = EL_EMPTY;
7017 }
7018
7019 static void ReinitializeElementList_EnableSections(void)
7020 {
7021   // default: enable all element sections
7022
7023   setup_editor_el_players               = TRUE;
7024   setup_editor_el_boulderdash           = TRUE;
7025   setup_editor_el_boulderdash_native    = TRUE;
7026   setup_editor_el_boulderdash_effects   = TRUE;
7027   setup_editor_el_emerald_mine          = TRUE;
7028   setup_editor_el_emerald_mine_club     = TRUE;
7029   setup_editor_el_more                  = TRUE;
7030   setup_editor_el_sokoban               = TRUE;
7031   setup_editor_el_supaplex              = TRUE;
7032   setup_editor_el_diamond_caves         = TRUE;
7033   setup_editor_el_dx_boulderdash        = TRUE;
7034   setup_editor_el_mirror_magic          = TRUE;
7035   setup_editor_el_deflektor             = TRUE;
7036   setup_editor_el_chars                 = TRUE;
7037   setup_editor_el_steel_chars           = TRUE;
7038
7039   setup_editor_el_custom                = TRUE;
7040   setup_editor_el_user_defined          = TRUE;
7041   setup_editor_el_dynamic               = TRUE;
7042
7043   // now disable all element sections not to be displayed
7044
7045   if (!setup.editor.el_classic)
7046   {
7047     setup_editor_el_players             = FALSE;
7048     setup_editor_el_boulderdash         = FALSE;
7049     setup_editor_el_boulderdash_native  = FALSE;
7050     setup_editor_el_boulderdash_effects = FALSE;
7051     setup_editor_el_emerald_mine        = FALSE;
7052     setup_editor_el_emerald_mine_club   = FALSE;
7053     setup_editor_el_more                = FALSE;
7054     setup_editor_el_sokoban             = FALSE;
7055     setup_editor_el_supaplex            = FALSE;
7056     setup_editor_el_diamond_caves       = FALSE;
7057     setup_editor_el_dx_boulderdash      = FALSE;
7058     setup_editor_el_mirror_magic        = FALSE;
7059     setup_editor_el_deflektor           = FALSE;
7060     setup_editor_el_chars               = FALSE;
7061     setup_editor_el_steel_chars         = FALSE;
7062   }
7063
7064   if (!setup.editor.el_custom)
7065   {
7066     setup_editor_el_custom              = FALSE;
7067   }
7068
7069   if (!setup.editor.el_user_defined)
7070   {
7071     setup_editor_el_user_defined        = FALSE;
7072   }
7073
7074   if (!setup.editor.el_dynamic)
7075   {
7076     setup_editor_el_dynamic             = FALSE;
7077   }
7078
7079   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
7080   {
7081     setup_editor_el_boulderdash_native  = FALSE;
7082     setup_editor_el_boulderdash_effects = FALSE;
7083     setup_editor_el_mirror_magic        = FALSE;
7084     setup_editor_el_deflektor           = FALSE;
7085   }
7086   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
7087   {
7088     setup_editor_el_players             = FALSE;
7089     setup_editor_el_boulderdash         = FALSE;
7090     setup_editor_el_emerald_mine        = FALSE;
7091     setup_editor_el_emerald_mine_club   = FALSE;
7092     setup_editor_el_more                = FALSE;
7093     setup_editor_el_sokoban             = FALSE;
7094     setup_editor_el_supaplex            = FALSE;
7095     setup_editor_el_diamond_caves       = FALSE;
7096     setup_editor_el_dx_boulderdash      = FALSE;
7097     setup_editor_el_mirror_magic        = FALSE;
7098     setup_editor_el_deflektor           = FALSE;
7099     setup_editor_el_chars               = FALSE;
7100     setup_editor_el_steel_chars         = FALSE;
7101
7102     setup_editor_el_custom              = FALSE;
7103   }
7104   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
7105   {
7106     setup_editor_el_boulderdash         = FALSE;
7107     setup_editor_el_boulderdash_native  = FALSE;
7108     setup_editor_el_boulderdash_effects = FALSE;
7109     setup_editor_el_more                = FALSE;
7110     setup_editor_el_sokoban             = FALSE;
7111     setup_editor_el_supaplex            = FALSE;
7112     setup_editor_el_diamond_caves       = FALSE;
7113     setup_editor_el_dx_boulderdash      = FALSE;
7114     setup_editor_el_mirror_magic        = FALSE;
7115     setup_editor_el_deflektor           = FALSE;
7116     setup_editor_el_steel_chars         = FALSE;
7117
7118     setup_editor_el_custom              = FALSE;
7119   }
7120   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
7121   {
7122     setup_editor_el_players             = FALSE;
7123     setup_editor_el_boulderdash         = FALSE;
7124     setup_editor_el_boulderdash_native  = FALSE;
7125     setup_editor_el_boulderdash_effects = FALSE;
7126     setup_editor_el_emerald_mine        = FALSE;
7127     setup_editor_el_emerald_mine_club   = FALSE;
7128     setup_editor_el_more                = FALSE;
7129     setup_editor_el_sokoban             = FALSE;
7130     setup_editor_el_diamond_caves       = FALSE;
7131     setup_editor_el_dx_boulderdash      = FALSE;
7132     setup_editor_el_mirror_magic        = FALSE;
7133     setup_editor_el_deflektor           = FALSE;
7134     setup_editor_el_chars               = FALSE;
7135     setup_editor_el_steel_chars         = FALSE;
7136
7137     setup_editor_el_custom              = FALSE;
7138   }
7139   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
7140   {
7141     setup_editor_el_players             = FALSE;
7142     setup_editor_el_boulderdash         = FALSE;
7143     setup_editor_el_boulderdash_native  = FALSE;
7144     setup_editor_el_boulderdash_effects = FALSE;
7145     setup_editor_el_emerald_mine        = FALSE;
7146     setup_editor_el_emerald_mine_club   = FALSE;
7147     setup_editor_el_more                = FALSE;
7148     setup_editor_el_sokoban             = FALSE;
7149     setup_editor_el_supaplex            = FALSE;
7150     setup_editor_el_diamond_caves       = FALSE;
7151     setup_editor_el_dx_boulderdash      = FALSE;
7152     setup_editor_el_steel_chars         = FALSE;
7153
7154     setup_editor_el_custom              = FALSE;
7155   }
7156 }
7157
7158 static void ReinitializeElementList(void)
7159 {
7160   static boolean initialization_needed = TRUE;
7161   int pos = 0;
7162   int i, j;
7163
7164   ReinitializeElementList_EnableSections();
7165
7166   if (initialization_needed)
7167   {
7168     LoadSetup_EditorCascade();          // load last editor cascade state
7169
7170     // initialize editor cascade element from saved cascade state
7171     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7172     {
7173       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
7174       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
7175
7176       if (IS_EDITOR_CASCADE(*cascade_element))
7177         *cascade_element =
7178           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
7179            EL_CASCADE_INACTIVE(*cascade_element));
7180     }
7181
7182     initialization_needed = FALSE;
7183   }
7184
7185   checked_free(editor_elements);
7186
7187   // reload optional user defined element list for each invocation of editor
7188   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
7189                                    &num_editor_el_user_defined);
7190
7191   // initialize dynamic level element list for each invocation of editor
7192   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
7193                                &num_editor_el_dynamic);
7194
7195   // initialize list of empty elements (used for padding, if needed)
7196   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7197     editor_el_empty[i] = EL_EMPTY;
7198
7199   // do some sanity checks for each element from element list
7200   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7201   {
7202     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7203     {
7204       int element = (*editor_elements_info[i].element_list)[j];
7205
7206       if (element >= NUM_FILE_ELEMENTS)
7207         Warn("editor element %d is runtime element", element);
7208
7209       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
7210         Warn("no element description text for element %d", element);
7211     }
7212   }
7213
7214   num_editor_elements = 0;
7215   use_el_empty = FALSE;
7216
7217   // determine size of element list
7218   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7219   {
7220     if (*editor_elements_info[i].setup_value)
7221     {
7222       boolean found_inactive_cascade = FALSE;
7223
7224       if (setup.editor.el_headlines)
7225       {
7226         // required for correct padding of palette headline buttons
7227         if (*editor_elements_info[i].headline_list_size > 0)
7228           num_editor_elements += ED_ELEMENTLIST_COLS;
7229
7230         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7231         {
7232           int element = (*editor_elements_info[i].headline_list)[j];
7233
7234           if (IS_EDITOR_CASCADE_INACTIVE(element))
7235             found_inactive_cascade = TRUE;
7236         }
7237       }
7238
7239       if (found_inactive_cascade)
7240         continue;
7241
7242       // required for correct padding of palette element buttons
7243       int element_list_size = *editor_elements_info[i].element_list_size;
7244       int element_rows =
7245         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7246       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7247
7248       num_editor_elements += element_buttons;
7249     }
7250   }
7251
7252   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
7253   {
7254     // offer at least as many elements as element buttons exist
7255     use_el_empty = TRUE;
7256     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
7257
7258     num_editor_elements += num_editor_el_empty;
7259   }
7260   else
7261   {
7262     num_editor_el_empty = 0;
7263   }
7264
7265   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
7266
7267   // fill element list
7268   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7269   {
7270     boolean found_inactive_cascade = FALSE;
7271
7272     if (*editor_elements_info[i].setup_value)
7273     {
7274       if (setup.editor.el_headlines)
7275       {
7276         // required for correct padding of palette headline buttons
7277         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
7278                              ED_ELEMENTLIST_COLS : 0);
7279
7280         for (j = 0; j < headline_size; j++)
7281         {
7282           // use empty elements for padding of palette headline buttons
7283           int element = (j < *editor_elements_info[i].headline_list_size ?
7284                          (*editor_elements_info[i].headline_list)[j] :
7285                          editor_el_empty[0]);
7286
7287           editor_elements[pos++] = element;
7288
7289           if (IS_EDITOR_CASCADE_INACTIVE(element))
7290             found_inactive_cascade = TRUE;
7291         }
7292       }
7293
7294       if (found_inactive_cascade)
7295         continue;
7296
7297       // required for correct padding of palette element buttons
7298       int element_list_size = *editor_elements_info[i].element_list_size;
7299       int element_rows =
7300         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7301       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7302
7303       // copy all elements from element list
7304       for (j = 0; j < element_list_size; j++)
7305         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
7306
7307       // use empty elements for padding of palette element buttons
7308       for (j = 0; j < element_buttons - element_list_size; j++)
7309         editor_elements[pos++] = editor_el_empty[0];
7310     }
7311   }
7312
7313   // (this function is also called before editor gadgets are initialized!)
7314   AdjustElementListScrollbar();
7315 }
7316
7317 void PrintEditorElementList(void)
7318 {
7319   boolean *stop = &setup_editor_el_user_defined;
7320   int i, j;
7321
7322   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
7323   {
7324     int cascade_element = (*editor_elements_info[i].headline_list)[0];
7325
7326     if (IS_EDITOR_CASCADE(cascade_element))
7327     {
7328       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
7329       char *headline = element_info[cascade_element_show].editor_description;
7330
7331       PrintLineWithPrefix("# ", "-", 77);
7332       Print("# %s\n", headline);
7333       PrintLineWithPrefix("# ", "-", 77);
7334     }
7335
7336     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7337     {
7338       int element = (*editor_elements_info[i].headline_list)[j];
7339
7340       if (IS_EDITOR_CASCADE(element))
7341         element = EL_CHAR_MINUS;
7342
7343       Print("# %s\n", element_info[element].token_name);
7344     }
7345
7346     if (j > 0)
7347       Print("#\n");
7348
7349     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7350     {
7351       int element = (*editor_elements_info[i].element_list)[j];
7352
7353       Print("# %s\n", element_info[element].token_name);
7354     }
7355
7356     if (j > 0)
7357       Print("#\n");
7358   }
7359 }
7360
7361 static void ReinitializeElementListButtons(void)
7362 {
7363   static boolean last_setup_value_headlines = FALSE;
7364   static boolean initialization_needed = TRUE;
7365   int i;
7366
7367   if (!initialization_needed)   // check if editor element setup has changed
7368   {
7369     if (last_setup_value_headlines != setup.editor.el_headlines)
7370       initialization_needed = TRUE;
7371
7372     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7373       if (editor_elements_info[i].last_setup_value !=
7374           *editor_elements_info[i].setup_value)
7375         initialization_needed = TRUE;
7376   }
7377
7378   if (!initialization_needed)
7379     return;
7380
7381   FreeLevelEditorGadgets();
7382   CreateLevelEditorGadgets();
7383
7384   // store current setup values for next invocation of this function
7385   last_setup_value_headlines = setup.editor.el_headlines;
7386   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7387     editor_elements_info[i].last_setup_value =
7388       *editor_elements_info[i].setup_value;
7389
7390   initialization_needed = FALSE;
7391 }
7392
7393 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7394                               boolean input)
7395 {
7396   int border_graphic =
7397     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7398   struct GraphicInfo *g = &graphic_info[border_graphic];
7399   Bitmap *src_bitmap = g->bitmap;
7400   int src_x = g->src_x;
7401   int src_y = g->src_y;
7402   int border_size = g->border_size;
7403   int border_xpos = g->width  - border_size;
7404   int border_ypos = g->height - border_size;
7405   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7406   int i;
7407
7408   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7409              border_size, border_size,
7410              dest_x - border_size, dest_y - border_size);
7411   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7412              border_size, border_size,
7413              dest_x + width, dest_y - border_size);
7414   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7415              border_size, border_size,
7416              dest_x - border_size, dest_y + height);
7417   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7418              border_size, border_size,
7419              dest_x + width, dest_y + height);
7420
7421   for (i = 0; i < width / tilesize; i++)
7422   {
7423     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7424                tilesize, border_size,
7425                dest_x + i * tilesize, dest_y - border_size);
7426     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7427                tilesize, border_size,
7428                dest_x + i * tilesize, dest_y + height);
7429   }
7430
7431   for (i = 0; i < height / tilesize; i++)
7432   {
7433     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7434                border_size, tilesize,
7435                dest_x - border_size, dest_y + i * tilesize);
7436     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7437                border_size, tilesize,
7438                dest_x + width, dest_y + i * tilesize);
7439   }
7440
7441   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7442 }
7443
7444 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7445 {
7446   int xsize_tile = MAX(ed_tilesize, xsize);
7447   int ysize_tile = MAX(ed_tilesize, ysize);
7448   int xsize_full = xsize + 1;
7449   int ysize_full = ysize + 1;
7450   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7451   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7452   Pixel line_color = getTabulatorBarColor();
7453
7454   if (line_color == BLACK_PIXEL)                // black => transparent
7455     return;
7456
7457   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7458   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7459   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7460 }
7461
7462 static void DrawEditorLevelBorderLinesIfNeeded(void)
7463 {
7464   int xsize = lev_fieldx * ed_tilesize;
7465   int ysize = lev_fieldy * ed_tilesize;
7466   int line_size = getTabulatorBarHeight();
7467
7468   if (!suppressBorderElement())
7469     return;
7470
7471   // draw little border line around editable level playfield
7472
7473   if (xsize < SXSIZE)
7474     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
7475
7476   if (ysize < SYSIZE)
7477     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
7478
7479   if (xsize < SXSIZE && ysize < SYSIZE)
7480     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
7481 }
7482
7483 static void DrawEditorElement(int x, int y, int element)
7484 {
7485   DrawSizedElement(x, y, element, ed_tilesize);
7486 }
7487
7488 static void DrawEditorElementThruMask(int x, int y, int element)
7489 {
7490   DrawSizedElementThruMask(x, y, element, ed_tilesize);
7491 }
7492
7493 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
7494 {
7495   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
7496 }
7497
7498 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
7499 {
7500   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
7501   DrawEditorLevelBorderLinesIfNeeded();
7502 }
7503
7504 static void DrawDrawingArea(int id)
7505 {
7506   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7507   int x, y;
7508
7509   int *value = drawingarea_info[id].value;
7510   int area_xsize = drawingarea_info[id].area_xsize;
7511   int area_ysize = drawingarea_info[id].area_ysize;
7512   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7513
7514   for (x = 0; x < area_xsize; x++)
7515   {
7516     for (y = 0; y < area_ysize; y++)
7517     {
7518       int element = value[x * area_ysize + y];
7519       int graphic;
7520       int frame;
7521
7522       getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7523
7524       DrawSizedGraphicExt(drawto,
7525                           gi->x + x * tilesize,
7526                           gi->y + y * tilesize,
7527                           graphic, frame, tilesize);
7528     }
7529   }
7530 }
7531
7532 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
7533 {
7534   int x, y;
7535   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
7536   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
7537
7538   BlitBitmap(drawto, drawto,
7539              SX + (dx == -1 ? ed_tilesize : 0),
7540              SY + (dy == -1 ? ed_tilesize : 0),
7541              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
7542              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
7543              SX + (dx == +1 ? ed_tilesize : 0),
7544              SY + (dy == +1 ? ed_tilesize : 0));
7545
7546   if (dx)
7547   {
7548     x = (dx == 1 ? 0 : ed_fieldx - 1);
7549     for (y = 0; y < ed_fieldy; y++)
7550       DrawEditorElementOrWall(x, y, from_x, from_y);
7551   }
7552   else if (dy)
7553   {
7554     y = (dy == 1 ? 0 : ed_fieldy - 1);
7555     for (x = 0; x < ed_fieldx; x++)
7556       DrawEditorElementOrWall(x, y, from_x, from_y);
7557   }
7558
7559   redraw_mask |= REDRAW_FIELD;
7560   BackToFront();
7561 }
7562
7563 static void getEditorGraphicAndFrame(int element, int *graphic, int *frame, boolean use_editor_gfx)
7564 {
7565   if (use_editor_gfx)
7566   {
7567     *graphic = el2edimg(element);
7568     *frame = 0;
7569   }
7570   else
7571   {
7572     *graphic = el2img(element);
7573     *frame = (ANIM_MODE(*graphic) == ANIM_CE_VALUE ?
7574               custom_element.ce_value_fixed_initial :
7575               ANIM_MODE(*graphic) == ANIM_CE_SCORE ?
7576               custom_element.collect_score_initial : FrameCounter);
7577   }
7578
7579   if (*graphic == IMG_UNKNOWN)
7580   {
7581     // no graphic defined -- if BD style, try to get runtime ("effect") element graphics
7582     // (normal BD style elements have graphics, but runtime ("effects") elements do not)
7583     int element_bd = map_element_RND_to_BD_cave(element);
7584
7585     if (element_bd != O_UNKNOWN)
7586     {
7587       struct GraphicInfo_BD *g_bd = &graphic_info_bd_object[element_bd][0];
7588
7589       *graphic = g_bd->graphic;
7590       *frame   = g_bd->frame;
7591     }
7592   }
7593 }
7594
7595 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7596                                    int *x, int *y)
7597 {
7598   int graphic;
7599   int frame;
7600
7601   getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7602
7603   getSizedGraphicSource(graphic, frame, tile_size, bitmap, x, y);
7604 }
7605
7606 static void CreateControlButtons(void)
7607 {
7608   struct GadgetInfo *gi;
7609   int i;
7610
7611   // create toolbox buttons
7612   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7613   {
7614     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7615     int id = controlbutton_info[i].gadget_id;
7616     int type = controlbutton_info[i].gadget_type;
7617     int graphic = controlbutton_info[i].graphic;
7618     struct XYTileSize *pos = controlbutton_info[i].pos;
7619     struct GraphicInfo *gd = &graphic_info[graphic];
7620     Bitmap *deco_bitmap = NULL;
7621     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7622     int tile_size = 0, deco_shift = 0;
7623     boolean deco_masked = FALSE;
7624     int gd_x1 = gd->src_x;
7625     int gd_y1 = gd->src_y;
7626     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7627     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7628     int gd_x1a = gd->src_x + gd->active_xoffset;
7629     int gd_y1a = gd->src_y + gd->active_yoffset;
7630     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7631     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7632     int x = pos->x;
7633     int y = pos->y;
7634     unsigned int event_mask;
7635     int radio_button_nr = RADIO_NR_NONE;
7636     boolean checked = FALSE;
7637
7638     if (type_id != i)
7639       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7640
7641     if (type == GD_TYPE_RADIO_BUTTON)
7642     {
7643       event_mask = GD_EVENT_PRESSED;
7644       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7645
7646       if (id == drawing_function)
7647         checked = TRUE;
7648     }
7649     else
7650     {
7651       if (id == GADGET_ID_WRAP_LEFT ||
7652           id == GADGET_ID_WRAP_RIGHT ||
7653           id == GADGET_ID_WRAP_UP ||
7654           id == GADGET_ID_WRAP_DOWN)
7655         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7656       else
7657         event_mask = GD_EVENT_RELEASED;
7658     }
7659
7660     if (id == GADGET_ID_PROPERTIES ||
7661         id == GADGET_ID_PALETTE)
7662     {
7663       x += DX;
7664       y += DY;
7665     }
7666     else if (id == GADGET_ID_ELEMENT_LEFT ||
7667              id == GADGET_ID_ELEMENT_MIDDLE ||
7668              id == GADGET_ID_ELEMENT_RIGHT)
7669     {
7670       x += DX;
7671       y += DY;
7672
7673       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7674                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7675                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7676
7677       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7678                                    editor.button.element_left.tile_size :
7679                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7680                                    editor.button.element_middle.tile_size :
7681                                    id == GADGET_ID_ELEMENT_RIGHT ?
7682                                    editor.button.element_right.tile_size : 0);
7683
7684       // make sure that decoration does not overlap gadget border
7685       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7686
7687       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7688
7689       deco_xpos = (gd->width  - tile_size) / 2;
7690       deco_ypos = (gd->height - tile_size) / 2;
7691       deco_shift = 1;
7692       deco_masked = gd->draw_masked;
7693     }
7694     else
7695     {
7696       x += EX;
7697       y += EY;
7698     }
7699
7700     gi = CreateGadget(GDI_CUSTOM_ID, id,
7701                       GDI_CUSTOM_TYPE_ID, type_id,
7702                       GDI_IMAGE_ID, graphic,
7703                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7704                       GDI_X, x,
7705                       GDI_Y, y,
7706                       GDI_WIDTH, gd->width,
7707                       GDI_HEIGHT, gd->height,
7708                       GDI_TYPE, type,
7709                       GDI_STATE, GD_BUTTON_UNPRESSED,
7710                       GDI_RADIO_NR, radio_button_nr,
7711                       GDI_CHECKED, checked,
7712                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7713                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7714                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7715                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7716                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7717                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7718                       GDI_DECORATION_SIZE, tile_size, tile_size,
7719                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7720                       GDI_DECORATION_MASKED, deco_masked,
7721                       GDI_EVENT_MASK, event_mask,
7722                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7723                       GDI_CALLBACK_ACTION, HandleControlButtons,
7724                       GDI_END);
7725
7726     if (gi == NULL)
7727       Fail("cannot create gadget");
7728
7729     level_editor_gadget[id] = gi;
7730   }
7731
7732   // these values are not constant, but can change at runtime
7733   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7734   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7735   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7736   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7737   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7738   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7739   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7740   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7741   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7742   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7743   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7744   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7745
7746   // create buttons for scrolling of drawing area and element list
7747   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7748   {
7749     int id = scrollbutton_info[i].gadget_id;
7750     int type_id = scrollbutton_info[i].gadget_type_id;
7751     int graphic = scrollbutton_info[i].graphic;
7752     struct GraphicInfo *gd = &graphic_info[graphic];
7753     Bitmap *gd_bitmap = gd->bitmap;
7754     int gd_x1 = gd->src_x;
7755     int gd_y1 = gd->src_y;
7756     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7757     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7758     int width  = gd->width;
7759     int height = gd->height;
7760     int x = scrollbutton_pos[i].x;
7761     int y = scrollbutton_pos[i].y;
7762     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7763
7764     if (type_id != i)
7765       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7766
7767     if (id == GADGET_ID_SCROLL_LIST_UP ||
7768         id == GADGET_ID_SCROLL_LIST_DOWN)
7769     {
7770       x += PX;
7771       y += PY;
7772     }
7773     else
7774     {
7775       x += SX;
7776       y += SY;
7777     }
7778
7779     gi = CreateGadget(GDI_CUSTOM_ID, id,
7780                       GDI_CUSTOM_TYPE_ID, type_id,
7781                       GDI_IMAGE_ID, graphic,
7782                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7783                       GDI_X, x,
7784                       GDI_Y, y,
7785                       GDI_WIDTH, width,
7786                       GDI_HEIGHT, height,
7787                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7788                       GDI_STATE, GD_BUTTON_UNPRESSED,
7789                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7790                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7791                       GDI_EVENT_MASK, event_mask,
7792                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7793                       GDI_CALLBACK_ACTION, HandleControlButtons,
7794                       GDI_END);
7795
7796     if (gi == NULL)
7797       Fail("cannot create gadget");
7798
7799     level_editor_gadget[id] = gi;
7800   }
7801
7802   // create buttons for element list
7803   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7804   {
7805     int type_id = i;
7806     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7807     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7808     struct GraphicInfo *gd = &graphic_info[graphic];
7809     Bitmap *gd_bitmap = gd->bitmap;
7810     Bitmap *deco_bitmap;
7811     int deco_x, deco_y, deco_xpos, deco_ypos;
7812     int gd_x1 = gd->src_x;
7813     int gd_y1 = gd->src_y;
7814     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7815     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7816     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7817     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7818     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7819     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7820     int element = editor_elements[i];
7821     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7822     unsigned int event_mask = GD_EVENT_RELEASED;
7823
7824     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7825
7826     deco_xpos = (gd->width  - tile_size) / 2;
7827     deco_ypos = (gd->height - tile_size) / 2;
7828
7829     gi = CreateGadget(GDI_CUSTOM_ID, id,
7830                       GDI_CUSTOM_TYPE_ID, type_id,
7831                       GDI_IMAGE_ID, graphic,
7832                       GDI_INFO_TEXT, getElementInfoText(element),
7833                       GDI_X, x,
7834                       GDI_Y, y,
7835                       GDI_WIDTH, gd->width,
7836                       GDI_HEIGHT, gd->height,
7837                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7838                       GDI_STATE, GD_BUTTON_UNPRESSED,
7839                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7840                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7841                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7842                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7843                       GDI_DECORATION_SIZE, tile_size, tile_size,
7844                       GDI_DECORATION_SHIFTING, 1, 1,
7845                       GDI_EVENT_MASK, event_mask,
7846                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7847                       GDI_CALLBACK_ACTION, HandleControlButtons,
7848                       GDI_END);
7849
7850     if (gi == NULL)
7851       Fail("cannot create gadget");
7852
7853     level_editor_gadget[id] = gi;
7854   }
7855 }
7856
7857 static void CreateCounterButtons(void)
7858 {
7859   int max_infotext_len = getMaxInfoTextLength();
7860   int i;
7861
7862   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7863   {
7864     int type_id = counterbutton_info[i].gadget_type_id;
7865     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7866     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7867     int j;
7868
7869     if (type_id != i)
7870       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7871
7872     // determine horizontal position to the right of specified gadget
7873     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7874       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7875            ED_GADGET_TEXT_DISTANCE);
7876
7877     // determine horizontal offset for leading text
7878     if (counterbutton_info[i].text_left != NULL)
7879       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7880
7881     for (j = 0; j < 2; j++)
7882     {
7883       struct GadgetInfo *gi;
7884       int id = (j == 0 ?
7885                 counterbutton_info[i].gadget_id_down :
7886                 counterbutton_info[i].gadget_id_up);
7887       int graphic;
7888       struct GraphicInfo *gd;
7889       int gd_x1, gd_x2, gd_y1, gd_y2;
7890       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7891       char infotext[max_infotext_len + 1];
7892
7893       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7894       {
7895         graphic = (j == 0 ?
7896                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7897                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7898
7899         event_mask |= GD_EVENT_RELEASED;
7900
7901         if (j == 0)
7902         {
7903           x = DX + editor.button.prev_level.x;
7904           y = DY + editor.button.prev_level.y;
7905         }
7906         else
7907         {
7908           x = DX + editor.button.next_level.x;
7909           y = DY + editor.button.next_level.y;
7910         }
7911       }
7912       else
7913       {
7914         graphic = (j == 0 ?
7915                    IMG_EDITOR_COUNTER_DOWN :
7916                    IMG_EDITOR_COUNTER_UP);
7917       }
7918
7919       gd = &graphic_info[graphic];
7920
7921       gd_x1 = gd->src_x;
7922       gd_y1 = gd->src_y;
7923       gd_x2 = gd->src_x + gd->pressed_xoffset;
7924       gd_y2 = gd->src_y + gd->pressed_yoffset;
7925
7926       sprintf(infotext, "%s counter value by 1, 5 or 10",
7927               (j == 0 ? "Decrease" : "Increase"));
7928
7929       gi = CreateGadget(GDI_CUSTOM_ID, id,
7930                         GDI_CUSTOM_TYPE_ID, type_id,
7931                         GDI_IMAGE_ID, graphic,
7932                         GDI_INFO_TEXT, infotext,
7933                         GDI_X, x,
7934                         GDI_Y, y,
7935                         GDI_WIDTH, gd->width,
7936                         GDI_HEIGHT, gd->height,
7937                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7938                         GDI_STATE, GD_BUTTON_UNPRESSED,
7939                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7940                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7941                         GDI_EVENT_MASK, event_mask,
7942                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7943                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7944                         GDI_END);
7945
7946       if (gi == NULL)
7947         Fail("cannot create gadget");
7948
7949       level_editor_gadget[id] = gi;
7950       right_gadget_border[id] =
7951         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7952
7953       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7954
7955       if (j == 0)
7956       {
7957         int font_type = FONT_INPUT_1;
7958         int font_type_active = FONT_INPUT_1_ACTIVE;
7959
7960         id = counterbutton_info[i].gadget_id_text;
7961
7962         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7963
7964         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7965         {
7966           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7967
7968           font_type = FONT_LEVEL_NUMBER;
7969           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7970
7971           x = DX + editor.input.level_number.x;
7972           y = DY + editor.input.level_number.y;
7973         }
7974         else
7975         {
7976           graphic = IMG_EDITOR_COUNTER_INPUT;
7977         }
7978
7979         gd = &graphic_info[graphic];
7980
7981         gd_x1 = gd->src_x;
7982         gd_y1 = gd->src_y;
7983         gd_x2 = gd->src_x + gd->active_xoffset;
7984         gd_y2 = gd->src_y + gd->active_yoffset;
7985
7986         gi = CreateGadget(GDI_CUSTOM_ID, id,
7987                           GDI_CUSTOM_TYPE_ID, type_id,
7988                           GDI_IMAGE_ID, graphic,
7989                           GDI_INFO_TEXT, "Enter counter value",
7990                           GDI_X, x,
7991                           GDI_Y, y,
7992                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
7993                           GDI_NUMBER_VALUE, 0,
7994                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
7995                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
7996                           GDI_TEXT_SIZE, 3,     // minimal counter text size
7997                           GDI_TEXT_FONT, font_type,
7998                           GDI_TEXT_FONT_ACTIVE, font_type_active,
7999                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8000                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8001                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8002                           GDI_DESIGN_WIDTH, gd->width,
8003                           GDI_EVENT_MASK, event_mask,
8004                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8005                           GDI_CALLBACK_ACTION, HandleCounterButtons,
8006                           GDI_END);
8007
8008         if (gi == NULL)
8009           Fail("cannot create gadget");
8010
8011         level_editor_gadget[id] = gi;
8012         right_gadget_border[id] =
8013           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
8014
8015         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
8016       }
8017     }
8018   }
8019 }
8020
8021 static void CreateDrawingAreas(void)
8022 {
8023   int i;
8024
8025   // these values are not constant, but can change at runtime
8026   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
8027   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
8028
8029   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8030   {
8031     struct GadgetInfo *gi;
8032     int id = drawingarea_info[i].gadget_id;
8033     int type_id = drawingarea_info[i].gadget_type_id;
8034     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
8035     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
8036     int area_xsize = drawingarea_info[i].area_xsize;
8037     int area_ysize = drawingarea_info[i].area_ysize;
8038     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
8039                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
8040     unsigned int event_mask =
8041       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
8042       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
8043
8044     if (type_id != i)
8045       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
8046
8047     // determine horizontal position to the right of specified gadget
8048     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
8049       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
8050            ED_DRAWINGAREA_TEXT_DISTANCE);
8051
8052     // determine horizontal offset for leading text
8053     if (drawingarea_info[i].text_left != NULL)
8054       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
8055
8056     gi = CreateGadget(GDI_CUSTOM_ID, id,
8057                       GDI_CUSTOM_TYPE_ID, type_id,
8058                       GDI_X, x,
8059                       GDI_Y, y,
8060                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
8061                       GDI_AREA_SIZE, area_xsize, area_ysize,
8062                       GDI_ITEM_SIZE, item_size, item_size,
8063                       GDI_EVENT_MASK, event_mask,
8064                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
8065                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
8066                       GDI_END);
8067
8068     if (gi == NULL)
8069       Fail("cannot create gadget");
8070
8071     level_editor_gadget[id] = gi;
8072     right_gadget_border[id] =
8073       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
8074   }
8075 }
8076
8077 static void CreateTextInputGadgets(void)
8078 {
8079   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
8080   int max_infotext_len = getMaxInfoTextLength();
8081   int i;
8082
8083   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
8084   {
8085     int gd_x1 = gd->src_x;
8086     int gd_y1 = gd->src_y;
8087     int gd_x2 = gd->src_x + gd->active_xoffset;
8088     int gd_y2 = gd->src_y + gd->active_yoffset;
8089     struct GadgetInfo *gi;
8090     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8091     char infotext[MAX_OUTPUT_LINESIZE + 1];
8092     int id = textinput_info[i].gadget_id;
8093     int type_id = textinput_info[i].gadget_type_id;
8094     int x, y;
8095
8096     if (type_id != i)
8097       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
8098
8099     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
8100     {
8101       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
8102       int border_size = gd->border_size;
8103       int font_nr = FONT_INPUT_1;
8104       int font_height = getFontHeight(font_nr);
8105       int xoffset = element_border + TILEX + element_border + 3 * border_size;
8106       int yoffset = element_border + (TILEY - font_height) / 2;
8107
8108       x = (editor.settings.element_name.x != -1 ?
8109            editor.settings.element_name.x :
8110            editor.settings.element_graphic.x + xoffset) - border_size;
8111       y = (editor.settings.element_name.y != -1 ?
8112            editor.settings.element_name.y :
8113            editor.settings.element_graphic.y + yoffset) - border_size;
8114     }
8115     else
8116     {
8117       x = ED_SETTINGS_X(textinput_info[i].x);
8118       y = ED_SETTINGS_Y(textinput_info[i].y);
8119     }
8120
8121     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
8122     infotext[max_infotext_len] = '\0';
8123
8124     gi = CreateGadget(GDI_CUSTOM_ID, id,
8125                       GDI_CUSTOM_TYPE_ID, type_id,
8126                       GDI_INFO_TEXT, infotext,
8127                       GDI_X, SX + x,
8128                       GDI_Y, SY + y,
8129                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8130                       GDI_TEXT_VALUE, textinput_info[i].value,
8131                       GDI_TEXT_SIZE, textinput_info[i].size,
8132                       GDI_TEXT_FONT, FONT_INPUT_1,
8133                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8134                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8135                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8136                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8137                       GDI_DESIGN_WIDTH, gd->width,
8138                       GDI_EVENT_MASK, event_mask,
8139                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8140                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
8141                       GDI_END);
8142
8143     if (gi == NULL)
8144       Fail("cannot create gadget");
8145
8146     level_editor_gadget[id] = gi;
8147   }
8148 }
8149
8150 static void CreateTextAreaGadgets(void)
8151 {
8152   int max_infotext_len = getMaxInfoTextLength();
8153   int i;
8154
8155   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
8156   {
8157     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
8158     int gd_x1 = gd->src_x;
8159     int gd_y1 = gd->src_y;
8160     int gd_x2 = gd->src_x + gd->active_xoffset;
8161     int gd_y2 = gd->src_y + gd->active_yoffset;
8162     struct GadgetInfo *gi;
8163     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
8164     char infotext[MAX_OUTPUT_LINESIZE + 1];
8165     int id = textarea_info[i].gadget_id;
8166     int type_id = textarea_info[i].gadget_type_id;
8167     int area_xsize = textarea_info[i].xsize;
8168     int area_ysize = textarea_info[i].ysize;
8169
8170     if (type_id != i)
8171       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
8172
8173     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
8174     infotext[max_infotext_len] = '\0';
8175
8176     gi = CreateGadget(GDI_CUSTOM_ID, id,
8177                       GDI_CUSTOM_TYPE_ID, type_id,
8178                       GDI_INFO_TEXT, infotext,
8179                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
8180                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
8181                       GDI_TYPE, GD_TYPE_TEXT_AREA,
8182                       GDI_AREA_SIZE, area_xsize, area_ysize,
8183                       GDI_TEXT_FONT, FONT_INPUT_1,
8184                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8185                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8186                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8187                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8188                       GDI_DESIGN_WIDTH, gd->width,
8189                       GDI_EVENT_MASK, event_mask,
8190                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8191                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
8192                       GDI_END);
8193
8194     if (gi == NULL)
8195       Fail("cannot create gadget");
8196
8197     level_editor_gadget[id] = gi;
8198   }
8199 }
8200
8201 static void CreateSelectboxGadgets(void)
8202 {
8203   int max_infotext_len = getMaxInfoTextLength();
8204
8205   int i, j;
8206
8207   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8208   {
8209     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
8210     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
8211     int gd_x1 = gd->src_x;
8212     int gd_y1 = gd->src_y;
8213     int gd_x2 = gd->src_x + gd->active_xoffset;
8214     int gd_y2 = gd->src_y + gd->active_yoffset;
8215     int selectbox_button_xsize = gd2->width;
8216     struct GadgetInfo *gi;
8217     char infotext[MAX_OUTPUT_LINESIZE + 1];
8218     int id = selectbox_info[i].gadget_id;
8219     int type_id = selectbox_info[i].gadget_type_id;
8220     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
8221     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
8222     unsigned int event_mask =
8223       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8224
8225     if (type_id != i)
8226       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
8227
8228     if (selectbox_info[i].size == -1)   // dynamically determine size
8229     {
8230       // (we cannot use -1 for uninitialized values if we directly compare
8231       // with results from strlen(), because the '<' and '>' operation will
8232       // implicitely cast -1 to an unsigned integer value!)
8233       selectbox_info[i].size = 0;
8234
8235       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
8236         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
8237           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
8238
8239       selectbox_info[i].size++;         // add one character empty space
8240     }
8241
8242     // determine horizontal position to the right of specified gadget
8243     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
8244       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
8245            ED_GADGET_TEXT_DISTANCE);
8246
8247     // determine horizontal offset for leading text
8248     if (selectbox_info[i].text_left != NULL)
8249       x += getTextWidthForGadget(selectbox_info[i].text_left);
8250
8251     sprintf(infotext, "%s", selectbox_info[i].infotext);
8252     infotext[max_infotext_len] = '\0';
8253
8254     gi = CreateGadget(GDI_CUSTOM_ID, id,
8255                       GDI_CUSTOM_TYPE_ID, type_id,
8256                       GDI_INFO_TEXT, infotext,
8257                       GDI_X, x,
8258                       GDI_Y, y,
8259                       GDI_TYPE, GD_TYPE_SELECTBOX,
8260                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
8261                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
8262                       GDI_TEXT_SIZE, selectbox_info[i].size,
8263                       GDI_TEXT_FONT, FONT_INPUT_1,
8264                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8265                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
8266                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8267                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8268                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8269                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
8270                       GDI_DESIGN_WIDTH, gd->width,
8271                       GDI_EVENT_MASK, event_mask,
8272                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8273                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
8274                       GDI_END);
8275
8276     if (gi == NULL)
8277       Fail("cannot create gadget");
8278
8279     level_editor_gadget[id] = gi;
8280     right_gadget_border[id] =
8281       getRightGadgetBorder(gi, selectbox_info[i].text_right);
8282   }
8283 }
8284
8285 static void CreateTextbuttonGadgets(void)
8286 {
8287   int max_infotext_len = getMaxInfoTextLength();
8288   int i;
8289
8290   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
8291   {
8292     int id = textbutton_info[i].gadget_id;
8293     int type_id = textbutton_info[i].gadget_type_id;
8294     int is_tab_button =
8295       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
8296        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
8297     int graphic =
8298       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
8299     int gadget_distance =
8300       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
8301     struct GraphicInfo *gd = &graphic_info[graphic];
8302     int gd_x1 = gd->src_x;
8303     int gd_y1 = gd->src_y;
8304     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8305     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8306     int gd_x1a = gd->src_x + gd->active_xoffset;
8307     int gd_y1a = gd->src_y + gd->active_yoffset;
8308     int border_xsize = gd->border_size + gd->draw_xoffset;
8309     int border_ysize = gd->border_size;
8310     struct GadgetInfo *gi;
8311     unsigned int event_mask = GD_EVENT_RELEASED;
8312     char infotext[MAX_OUTPUT_LINESIZE + 1];
8313     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
8314     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
8315
8316     if (type_id != i)
8317       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
8318
8319     if (textbutton_info[i].size == -1)  // dynamically determine size
8320       textbutton_info[i].size = strlen(textbutton_info[i].text);
8321
8322     sprintf(infotext, "%s", textbutton_info[i].infotext);
8323     infotext[max_infotext_len] = '\0';
8324
8325     // determine horizontal position to the right of specified gadget
8326     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8327     {
8328       int gadget_id_align = textbutton_info[i].gadget_id_align;
8329
8330       x = right_gadget_border[gadget_id_align] + gadget_distance;
8331
8332       if (textbutton_info[i].y == -1)
8333         y = level_editor_gadget[gadget_id_align]->y;
8334     }
8335
8336     // determine horizontal offset for leading text
8337     if (textbutton_info[i].text_left != NULL)
8338       x += getTextWidthForGadget(textbutton_info[i].text_left);
8339
8340     gi = CreateGadget(GDI_CUSTOM_ID, id,
8341                       GDI_CUSTOM_TYPE_ID, type_id,
8342                       GDI_IMAGE_ID, graphic,
8343                       GDI_INFO_TEXT, infotext,
8344                       GDI_X, x,
8345                       GDI_Y, y,
8346                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
8347                       GDI_TEXT_VALUE, textbutton_info[i].text,
8348                       GDI_TEXT_SIZE, textbutton_info[i].size,
8349                       GDI_TEXT_FONT, FONT_INPUT_2,
8350                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
8351                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8352                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8353                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8354                       GDI_BORDER_SIZE, border_xsize, border_ysize,
8355                       GDI_DESIGN_WIDTH, gd->width,
8356                       GDI_DECORATION_SHIFTING, 1, 1,
8357                       GDI_EVENT_MASK, event_mask,
8358                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8359                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
8360                       GDI_END);
8361
8362     if (gi == NULL)
8363       Fail("cannot create gadget");
8364
8365     level_editor_gadget[id] = gi;
8366     right_gadget_border[id] =
8367       getRightGadgetBorder(gi, textbutton_info[i].text_right);
8368   }
8369 }
8370
8371 static void CreateGraphicbuttonGadgets(void)
8372 {
8373   struct GadgetInfo *gi;
8374   int i;
8375
8376   // create buttons for scrolling of drawing area and element list
8377   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
8378   {
8379     int id = graphicbutton_info[i].gadget_id;
8380     int type_id = graphicbutton_info[i].gadget_type_id;
8381     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
8382     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
8383     int graphic = graphicbutton_info[i].graphic;
8384     struct GraphicInfo *gd = &graphic_info[graphic];
8385     int gd_x1 = gd->src_x;
8386     int gd_y1 = gd->src_y;
8387     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8388     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8389     unsigned int event_mask = GD_EVENT_RELEASED;
8390
8391     if (type_id != i)
8392       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
8393
8394     // determine horizontal position to the right of specified gadget
8395     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8396       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
8397            ED_GADGET_TEXT_DISTANCE);
8398
8399     // determine horizontal offset for leading text
8400     if (graphicbutton_info[i].text_left != NULL)
8401       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8402
8403     gi = CreateGadget(GDI_CUSTOM_ID, id,
8404                       GDI_CUSTOM_TYPE_ID, type_id,
8405                       GDI_IMAGE_ID, graphic,
8406                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8407                       GDI_X, x,
8408                       GDI_Y, y,
8409                       GDI_WIDTH, gd->width,
8410                       GDI_HEIGHT, gd->height,
8411                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8412                       GDI_STATE, GD_BUTTON_UNPRESSED,
8413                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8414                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8415                       GDI_EVENT_MASK, event_mask,
8416                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8417                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8418                       GDI_END);
8419
8420     if (gi == NULL)
8421       Fail("cannot create gadget");
8422
8423     level_editor_gadget[id] = gi;
8424     right_gadget_border[id] =
8425       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8426   }
8427 }
8428
8429 static void CreateScrollbarGadgets(void)
8430 {
8431   int i;
8432
8433   // these values are not constant, but can change at runtime
8434   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8435     SX + ED_SCROLL_HORIZONTAL_XPOS;
8436   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8437     SY + ED_SCROLL_HORIZONTAL_YPOS;
8438   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8439     ED_SCROLL_HORIZONTAL_XSIZE;
8440   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8441     ED_SCROLL_HORIZONTAL_YSIZE;
8442   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8443   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8444   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8445   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8446
8447   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8448     SX + ED_SCROLL_VERTICAL_XPOS;
8449   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8450     SY + ED_SCROLL_VERTICAL_YPOS;
8451   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8452     ED_SCROLL_VERTICAL_XSIZE;
8453   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8454     ED_SCROLL_VERTICAL_YSIZE;
8455   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8456   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8457   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8458   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8459
8460   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8461     PX + ED_SCROLL2_VERTICAL_XPOS;
8462   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8463     PY + ED_SCROLL2_VERTICAL_YPOS;
8464   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8465     ED_SCROLL2_VERTICAL_XSIZE;
8466   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8467     ED_SCROLL2_VERTICAL_YSIZE;
8468   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8469   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8470   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8471   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8472
8473   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8474   {
8475     int id = scrollbar_info[i].gadget_id;
8476     int type_id = scrollbar_info[i].gadget_type_id;
8477     int graphic = scrollbar_info[i].graphic;
8478     struct GraphicInfo *gd = &graphic_info[graphic];
8479     int gd_x1 = gd->src_x;
8480     int gd_y1 = gd->src_y;
8481     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8482     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8483     struct GadgetInfo *gi;
8484     int items_max, items_visible, item_position;
8485     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8486
8487     if (type_id != i)
8488       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8489
8490     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8491     {
8492       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8493       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8494       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8495     }
8496     else        // drawing area scrollbars
8497     {
8498       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8499       {
8500         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8501         items_visible = ed_fieldx;
8502         item_position = 0;
8503       }
8504       else
8505       {
8506         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8507         items_visible = ed_fieldy;
8508         item_position = 0;
8509       }
8510     }
8511
8512     gi = CreateGadget(GDI_CUSTOM_ID, id,
8513                       GDI_CUSTOM_TYPE_ID, type_id,
8514                       GDI_IMAGE_ID, graphic,
8515                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8516                       GDI_X, scrollbar_pos[i].x,
8517                       GDI_Y, scrollbar_pos[i].y,
8518                       GDI_WIDTH, scrollbar_pos[i].width,
8519                       GDI_HEIGHT, scrollbar_pos[i].height,
8520                       GDI_TYPE, scrollbar_info[i].type,
8521                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8522                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8523                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8524                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8525                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8526                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8527                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8528                       GDI_STATE, GD_BUTTON_UNPRESSED,
8529                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8530                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8531                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8532                       GDI_EVENT_MASK, event_mask,
8533                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8534                       GDI_CALLBACK_ACTION, HandleControlButtons,
8535                       GDI_END);
8536
8537     if (gi == NULL)
8538       Fail("cannot create gadget");
8539
8540     level_editor_gadget[id] = gi;
8541   }
8542 }
8543
8544 static void CreateCheckbuttonGadgets(void)
8545 {
8546   struct GadgetInfo *gi;
8547   int i;
8548
8549   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8550   {
8551     int id = checkbutton_info[i].gadget_id;
8552     int type_id = checkbutton_info[i].gadget_type_id;
8553     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8554                    IMG_EDITOR_CHECKBOX);
8555     struct GraphicInfo *gd = &graphic_info[graphic];
8556     int gd_x1 = gd->src_x;
8557     int gd_y1 = gd->src_y;
8558     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8559     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8560     int gd_x1a = gd->src_x + gd->active_xoffset;
8561     int gd_y1a = gd->src_y + gd->active_yoffset;
8562     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8563     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8564     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8565     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8566     unsigned int event_mask = GD_EVENT_PRESSED;
8567
8568     if (type_id != i)
8569       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8570
8571     // determine horizontal position to the right of specified gadget
8572     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8573       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8574            ED_GADGET_TEXT_DISTANCE);
8575
8576     // determine horizontal offset for leading text
8577     if (checkbutton_info[i].text_left != NULL)
8578       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8579
8580     gi = CreateGadget(GDI_CUSTOM_ID, id,
8581                       GDI_CUSTOM_TYPE_ID, type_id,
8582                       GDI_IMAGE_ID, graphic,
8583                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8584                       GDI_X, x,
8585                       GDI_Y, y,
8586                       GDI_WIDTH, gd->width,
8587                       GDI_HEIGHT, gd->height,
8588                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8589                       GDI_CHECKED, *checkbutton_info[i].value,
8590                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8591                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8592                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8593                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8594                       GDI_EVENT_MASK, event_mask,
8595                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8596                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8597                       GDI_END);
8598
8599     if (gi == NULL)
8600       Fail("cannot create gadget");
8601
8602     level_editor_gadget[id] = gi;
8603     right_gadget_border[id] =
8604       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8605   }
8606 }
8607
8608 static void CreateRadiobuttonGadgets(void)
8609 {
8610   int graphic = IMG_EDITOR_RADIOBUTTON;
8611   struct GraphicInfo *gd = &graphic_info[graphic];
8612   int gd_x1 = gd->src_x;
8613   int gd_y1 = gd->src_y;
8614   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8615   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8616   int gd_x1a = gd->src_x + gd->active_xoffset;
8617   int gd_y1a = gd->src_y + gd->active_yoffset;
8618   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8619   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8620   struct GadgetInfo *gi;
8621   int i;
8622
8623   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8624   {
8625     int id = radiobutton_info[i].gadget_id;
8626     int type_id = radiobutton_info[i].gadget_type_id;
8627     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8628     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8629     unsigned int event_mask = GD_EVENT_PRESSED;
8630
8631     if (type_id != i)
8632       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8633
8634     int checked =
8635       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8636
8637     // determine horizontal position to the right of specified gadget
8638     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8639       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8640            ED_GADGET_TEXT_DISTANCE);
8641
8642     // determine horizontal offset for leading text
8643     if (radiobutton_info[i].text_left != NULL)
8644       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8645
8646     gi = CreateGadget(GDI_CUSTOM_ID, id,
8647                       GDI_CUSTOM_TYPE_ID, type_id,
8648                       GDI_IMAGE_ID, graphic,
8649                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8650                       GDI_X, x,
8651                       GDI_Y, y,
8652                       GDI_WIDTH, gd->width,
8653                       GDI_HEIGHT, gd->height,
8654                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8655                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8656                       GDI_CHECKED, checked,
8657                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8658                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8659                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8660                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8661                       GDI_EVENT_MASK, event_mask,
8662                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8663                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8664                       GDI_END);
8665
8666     if (gi == NULL)
8667       Fail("cannot create gadget");
8668
8669     level_editor_gadget[id] = gi;
8670     right_gadget_border[id] =
8671       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8672   }
8673 }
8674
8675 void CreateLevelEditorGadgets(void)
8676 {
8677   // force EDITOR font inside level editor
8678   SetFontStatus(GAME_MODE_EDITOR);
8679
8680   // these values are not constant, but can change at runtime
8681   ed_fieldx = MAX_ED_FIELDX - 1;
8682   ed_fieldy = MAX_ED_FIELDY - 1;
8683
8684   num_editor_gadgets = NUM_EDITOR_GADGETS;
8685
8686   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8687
8688   level_editor_gadget =
8689     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8690   right_gadget_border =
8691     checked_calloc(num_editor_gadgets * sizeof(int));
8692
8693   // set number of empty (padding) element buttons to maximum number of buttons
8694   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8695
8696   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8697   editor_el_empty_ptr = editor_el_empty;
8698
8699   use_permanent_palette = !editor.palette.show_as_separate_screen;
8700
8701   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8702
8703   ReinitializeElementList();
8704
8705   CreateControlButtons();
8706   CreateScrollbarGadgets();
8707
8708   // order of function calls is important because of cross-references
8709   CreateCheckbuttonGadgets();
8710   CreateCounterButtons();
8711   CreateRadiobuttonGadgets();
8712   CreateTextInputGadgets();
8713   CreateTextAreaGadgets();
8714   CreateSelectboxGadgets();
8715   CreateGraphicbuttonGadgets();
8716   CreateTextbuttonGadgets();
8717   CreateDrawingAreas();
8718
8719   ResetFontStatus();
8720 }
8721
8722 void FreeLevelEditorGadgets(void)
8723 {
8724   int i;
8725
8726   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8727
8728   for (i = 0; i < num_editor_gadgets; i++)
8729   {
8730     FreeGadget(level_editor_gadget[i]);
8731
8732     level_editor_gadget[i] = NULL;
8733   }
8734
8735   checked_free(level_editor_gadget);
8736   checked_free(right_gadget_border);
8737
8738   checked_free(editor_el_empty);
8739 }
8740
8741 static void MapCounterButtons(int id)
8742 {
8743   int font_nr = FONT_TEXT_1;
8744   int font_height = getFontHeight(font_nr);
8745   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8746   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8747   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8748   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8749   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8750   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8751   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8752   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8753   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8754   int yoffset = (gi_down->height - font_height) / 2;
8755   int x_left = gi_down->x - xoffset_left;
8756   int x_right;  // set after gadget position was modified
8757   int y_above = gi_down->y - yoffset_above;
8758   int x = gi_down->x;
8759   int y;        // set after gadget position was modified
8760
8761   // counter limits must be changed first to prevent value truncation
8762   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8763                             counterbutton_info[id].max_value);
8764
8765   // right text position might have changed after setting position above
8766   x_right = gi_up->x + gi_up->width + xoffset_right;
8767
8768   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8769
8770   // set position for counter gadgets with dynamically determined position
8771   if (id != ED_COUNTER_ID_SELECT_LEVEL)
8772   {
8773     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8774     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8775     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8776   }
8777
8778   // vertical position might have changed after setting position above
8779   y = gi_up->y + yoffset;
8780
8781   if (counterbutton_info[id].text_above)
8782     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8783
8784   if (counterbutton_info[id].text_left)
8785     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8786
8787   if (counterbutton_info[id].text_right)
8788     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8789
8790   MapGadget(gi_down);
8791   MapGadget(gi_text);
8792   MapGadget(gi_up);
8793 }
8794
8795 static void MapControlButtons(void)
8796 {
8797   int counter_id;
8798   int i;
8799
8800   // map toolbox buttons (excluding special CE toolbox buttons)
8801   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8802     MapGadget(level_editor_gadget[i]);
8803
8804   // map toolbox buttons (element properties buttons)
8805   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8806     MapGadget(level_editor_gadget[i]);
8807
8808   if (use_permanent_palette)
8809   {
8810     // map buttons to select elements
8811     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8812       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8813     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8814     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8815     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8816   }
8817
8818   // map buttons to select level
8819   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8820   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8821   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8822   MapCounterButtons(counter_id);
8823 }
8824
8825 static void MapDrawingArea(int id)
8826 {
8827   int font_nr = FONT_TEXT_1;
8828   int font_height = getFontHeight(font_nr);
8829   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8830   int area_xsize = gi->drawing.area_xsize;
8831   int area_ysize = gi->drawing.area_ysize;
8832   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8833   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8834   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
8835   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8836   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8837   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8838   int y_side  = gi->y + (gi->height - font_height) / 2;
8839   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8840   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8841
8842   if (drawingarea_info[id].text_left)
8843     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8844
8845   if (drawingarea_info[id].text_right)
8846     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8847
8848   if (drawingarea_info[id].text_above)
8849     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8850
8851   if (drawingarea_info[id].text_below)
8852     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8853
8854   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8855   {
8856     DrawElementBorder(gi->x, gi->y,
8857                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8858                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8859
8860     DrawDrawingArea(id);
8861   }
8862
8863   MapGadget(gi);
8864 }
8865
8866 static void MapTextInputGadget(int id)
8867 {
8868   int font_nr = FONT_TEXT_1;
8869   int font_height = getFontHeight(font_nr);
8870   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8871   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8872   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8873   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8874
8875   if (textinput_info[id].text_above)
8876     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8877
8878   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8879
8880   MapGadget(gi);
8881 }
8882
8883 static void MapTextAreaGadget(int id)
8884 {
8885   int font_nr = FONT_TEXT_1;
8886   int font_height = getFontHeight(font_nr);
8887   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8888   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8889   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8890   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8891   char *text_above = textarea_info[id].text_above;
8892
8893   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8894     text_above = textarea_info[id].text_above_cropped;
8895
8896   if (text_above)
8897     DrawTextS(x_above, y_above, font_nr, text_above);
8898
8899   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8900
8901   MapGadget(gi);
8902 }
8903
8904 static void MapSelectboxGadget(int id)
8905 {
8906   int font_nr = FONT_TEXT_1;
8907   int font_height = getFontHeight(font_nr);
8908   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8909   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8910   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8911   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8912   int yoffset = (gi->height - font_height) / 2;
8913   int x_left = gi->x - xoffset_left;
8914   int x_right = gi->x + gi->width + xoffset_right;
8915   int y_above = gi->y - yoffset_above;
8916   int x = gi->x;
8917   int y = gi->y + yoffset;
8918
8919   if (selectbox_info[id].text_above)
8920     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8921
8922   if (selectbox_info[id].text_left)
8923     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8924
8925   if (selectbox_info[id].text_right)
8926     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8927
8928   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8929
8930   MapGadget(gi);
8931 }
8932
8933 static void MapTextbuttonGadget(int id)
8934 {
8935   int font_nr = FONT_TEXT_1;
8936   int font_height = getFontHeight(font_nr);
8937   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8938   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8939   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8940   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8941   int yoffset = (gi->height - font_height) / 2;
8942   int x_left = gi->x - xoffset_left;
8943   int x_right = gi->x + gi->width + xoffset_right;
8944   int y_above = gi->y - yoffset_above;
8945   int x = gi->x;
8946   int y = gi->y + yoffset;
8947
8948   // only show button to delete change pages when more than minimum pages
8949   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8950       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8951     return;
8952
8953   if (textbutton_info[id].text_above)
8954     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8955
8956   if (textbutton_info[id].text_left)
8957     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8958
8959   if (textbutton_info[id].text_right)
8960     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8961
8962   MapGadget(gi);
8963 }
8964
8965 static void MapGraphicbuttonGadget(int id)
8966 {
8967   int font_nr = FONT_TEXT_1;
8968   int font_height = getFontHeight(font_nr);
8969   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8970   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8971   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8972   int yoffset = (gi->height - font_height) / 2;
8973   int x_left = gi->x - xoffset_left;
8974   int x_right = gi->x + gi->width + xoffset_right;
8975   int y = gi->y + yoffset;
8976
8977   if (graphicbutton_info[id].text_left)
8978     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8979
8980   if (graphicbutton_info[id].text_right)
8981     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8982
8983   MapGadget(gi);
8984 }
8985
8986 static void MapRadiobuttonGadget(int id)
8987 {
8988   int font_nr = FONT_TEXT_1;
8989   int font_height = getFontHeight(font_nr);
8990   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
8991   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8992   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8993   int yoffset = (gi->height - font_height) / 2;
8994   int x_left = gi->x - xoffset_left;
8995   int x_right = gi->x + gi->width + xoffset_right;
8996   int y = gi->y + yoffset;
8997   boolean checked =
8998     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
8999
9000   if (radiobutton_info[id].text_left)
9001     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
9002
9003   if (radiobutton_info[id].text_right)
9004     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
9005
9006   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
9007
9008   MapGadget(gi);
9009 }
9010
9011 static void MapCheckbuttonGadget(int id)
9012 {
9013   int font_nr = FONT_TEXT_1;
9014   int font_height = getFontHeight(font_nr);
9015   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
9016   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9017   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9018   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9019   int yoffset = (gi->height - font_height) / 2;
9020   int y_above = gi->y - yoffset_above;
9021   int x = gi->x;
9022   int x_left, x_right, y;       // set after gadget position was modified
9023
9024   // set position for gadgets with dynamically determined position
9025   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
9026     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
9027   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
9028
9029   x_left = gi->x - xoffset_left;
9030   x_right = gi->x + gi->width + xoffset_right;
9031   y = gi->y + yoffset;
9032
9033   if (checkbutton_info[id].text_above)
9034     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
9035
9036   if (checkbutton_info[id].text_left)
9037     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
9038
9039   if (checkbutton_info[id].text_right)
9040     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
9041
9042   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
9043
9044   MapGadget(gi);
9045 }
9046
9047 static void MapMainDrawingArea(void)
9048 {
9049   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
9050   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
9051   int i;
9052
9053   if (suppressBorderElement())
9054   {
9055     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
9056     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
9057   }
9058
9059   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
9060   {
9061     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
9062           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
9063          no_horizontal_scrollbar) ||
9064         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
9065           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
9066          no_vertical_scrollbar))
9067       continue;
9068
9069     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
9070   }
9071
9072   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
9073   {
9074     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
9075         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
9076       continue;
9077
9078     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
9079   }
9080
9081   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
9082 }
9083
9084 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
9085 {
9086   int i;
9087
9088   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
9089   {
9090     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
9091         i == GADGET_ID_CUSTOM_COPY_TO ||
9092         i == GADGET_ID_CUSTOM_EXCHANGE ||
9093         i == GADGET_ID_CUSTOM_COPY ||
9094         i == GADGET_ID_CUSTOM_PASTE)
9095     {
9096       if (map)
9097         MapGadget(level_editor_gadget[i]);
9098       else
9099         UnmapGadget(level_editor_gadget[i]);
9100     }
9101   }
9102 }
9103
9104 static void MapLevelEditorToolboxCustomGadgets(void)
9105 {
9106   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
9107 }
9108
9109 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
9110 {
9111   if (IS_CUSTOM_ELEMENT(properties_element) ||
9112       IS_GROUP_ELEMENT(properties_element) ||
9113       IS_EMPTY_ELEMENT(properties_element))
9114     MapLevelEditorToolboxCustomGadgets();
9115 }
9116
9117 static void UnmapLevelEditorToolboxCustomGadgets(void)
9118 {
9119   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
9120 }
9121
9122 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
9123 {
9124   int i;
9125
9126   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
9127   {
9128     if (i != GADGET_ID_SINGLE_ITEMS &&
9129         i != GADGET_ID_PICK_ELEMENT)
9130     {
9131       struct GadgetInfo *gi = level_editor_gadget[i];
9132
9133       if (map)
9134       {
9135         MapGadget(gi);
9136       }
9137       else
9138       {
9139         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
9140         struct GraphicInfo *gd = &graphic_info[graphic];
9141
9142         UnmapGadget(gi);
9143
9144         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
9145                    gi->width, gi->height, gi->x, gi->y);
9146
9147         redraw_mask |= REDRAW_DOOR_3;
9148       }
9149     }
9150   }
9151 }
9152
9153 static void MapLevelEditorToolboxDrawingGadgets(void)
9154 {
9155   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
9156 }
9157
9158 static void UnmapLevelEditorToolboxDrawingGadgets(void)
9159 {
9160   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
9161 }
9162
9163 static void UnmapDrawingArea(int id)
9164 {
9165   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
9166 }
9167
9168 static void UnmapLevelEditorFieldGadgets(void)
9169 {
9170   int i;
9171
9172   for (i = 0; i < num_editor_gadgets; i++)
9173     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
9174                           level_editor_gadget[i]->y))
9175       UnmapGadget(level_editor_gadget[i]);
9176 }
9177
9178 void UnmapLevelEditorGadgets(void)
9179 {
9180   int i;
9181
9182   for (i = 0; i < num_editor_gadgets; i++)
9183     UnmapGadget(level_editor_gadget[i]);
9184 }
9185
9186 static void ResetUndoBuffer(void)
9187 {
9188   undo_buffer_position = -1;
9189   undo_buffer_steps = -1;
9190   redo_buffer_steps = 0;
9191
9192   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9193
9194   level.changed = FALSE;
9195 }
9196
9197 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
9198 {
9199   if (remap_toolbox_gadgets)
9200   {
9201     ModifyEditorElementList();
9202     RedrawDrawingElements();
9203   }
9204
9205   if (edit_mode == ED_MODE_LEVELCONFIG)
9206     DrawLevelConfigWindow();
9207   else if (edit_mode == ED_MODE_PROPERTIES)
9208     DrawPropertiesWindow();
9209   else if (edit_mode == ED_MODE_PALETTE)
9210     DrawPaletteWindow();
9211   else  // edit_mode == ED_MODE_DRAWING
9212     DrawDrawingWindowExt(remap_toolbox_gadgets);
9213 }
9214
9215 static void DrawEditModeWindow(void)
9216 {
9217   DrawEditModeWindowExt(TRUE);
9218 }
9219
9220 static void DrawEditModeWindow_PlayfieldOnly(void)
9221 {
9222   DrawEditModeWindowExt(FALSE);
9223 }
9224
9225 static void ChangeEditModeWindow(int new_edit_mode)
9226 {
9227   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
9228
9229   DrawEditModeWindow();
9230 }
9231
9232 static boolean LevelChanged(void)
9233 {
9234   boolean field_changed = FALSE;
9235   int x, y;
9236
9237   for (y = 0; y < lev_fieldy; y++)
9238     for (x = 0; x < lev_fieldx; x++)
9239       if (Tile[x][y] != level.field[x][y])
9240         field_changed = TRUE;
9241
9242   return (level.changed || field_changed);
9243 }
9244
9245 static boolean PrepareSavingIntoPersonalLevelSet(void)
9246 {
9247   static LevelDirTree *last_copied_leveldir = NULL;
9248   static LevelDirTree *last_written_leveldir = NULL;
9249   static int last_copied_level_nr = -1;
9250   static int last_written_level_nr = -1;
9251   LevelDirTree *leveldir_former = leveldir_current;
9252   int level_nr_former = level_nr;
9253   int new_level_nr;
9254
9255   // remember last mod/save so that for current session, we write
9256   // back to the same personal copy, asking only about overwrite.
9257   if (leveldir_current == last_copied_leveldir &&
9258       level_nr == last_copied_level_nr)
9259   {
9260     // "cd" to personal level set dir (as used when writing last copy)
9261     leveldir_current = last_written_leveldir;
9262     level_nr = last_written_level_nr;
9263
9264     return TRUE;
9265   }
9266
9267   if (!Request("This level is read-only! "
9268                "Save into personal level set?", REQ_ASK))
9269     return FALSE;
9270
9271   // "cd" to personal level set dir (for writing copy the first time)
9272   leveldir_current =
9273     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
9274
9275   // this may happen if "setup.internal.create_user_levelset" is FALSE
9276   // or if file "levelinfo.conf" is missing in personal user level set
9277   if (leveldir_current == NULL)
9278   {
9279     Request("Cannot find personal level set?!", REQ_CONFIRM);
9280
9281     leveldir_current = leveldir_former;
9282
9283     return FALSE;
9284   }
9285
9286   // find unused level number
9287   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
9288   {
9289     static char *level_filename = NULL;
9290
9291     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
9292
9293     if (!fileExists(level_filename))
9294       break;
9295   }
9296
9297   last_copied_leveldir = leveldir_former;
9298   last_copied_level_nr = level_nr_former;
9299
9300   last_written_leveldir = leveldir_current;
9301   last_written_level_nr = level_nr = new_level_nr;
9302
9303   return TRUE;
9304 }
9305
9306 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
9307 {
9308   static char *filename_levelinfo = NULL, *mod_name = NULL;
9309   FILE *file;
9310
9311   // annotate this copy-and-mod in personal levelinfo.conf
9312   setString(&filename_levelinfo,
9313             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
9314
9315   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
9316   {
9317     fprintf(file, "\n");
9318     fprintf(file, "# level %d was modified from:\n", level_nr);
9319     fprintf(file, "# - previous level set name:    %s\n",
9320             former_name);
9321     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
9322             level.file_info.nr, level.name);
9323     fprintf(file, "# - previous author:            %s\n",
9324             level.author);
9325     fprintf(file, "# - previous save date:         ");
9326
9327     if (level.creation_date.src == DATE_SRC_LEVELFILE)
9328     {
9329       fprintf(file, "%04d-%02d-%02d\n",
9330               level.creation_date.year,
9331               level.creation_date.month,
9332               level.creation_date.day);
9333     }
9334     else
9335     {
9336       fprintf(file, "not recorded\n");
9337     }
9338
9339     fclose(file);
9340   }
9341
9342   if (level_nr > leveldir_current->last_level)
9343     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
9344
9345   // else: allow the save even if annotation failed
9346
9347   // now... spray graffiti on the old level vital statistics
9348   // user can change these; just trying to set a good baseline
9349
9350   // don't truncate names for fear of making offensive or silly:
9351   // long-named original author only recorded in levelinfo.conf.
9352   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
9353   if (!strEqual(level.author, leveldir_current->author))
9354   {
9355     setString(&mod_name, getStringCat3(leveldir_current->author,
9356                                        " after ", level.author));
9357
9358     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9359       setString(&mod_name,
9360                 getStringCat2(leveldir_current->author, " (ed.)"));
9361
9362     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9363       setString(&mod_name, leveldir_current->author);
9364
9365     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
9366
9367     // less worried about truncation here
9368     setString(&mod_name, getStringCat2("Mod: ", level.name));
9369     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
9370   }
9371 }
9372
9373 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
9374                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
9375 {
9376   int x, y;
9377
9378   for (x = 0; x < lev_fieldx; x++)
9379     for (y = 0; y < lev_fieldy; y++)
9380       dst[x][y] = src[x][y];
9381 }
9382
9383 static int setSelectboxValue(int selectbox_id, int new_value)
9384 {
9385   int new_index_value = 0;
9386   int i;
9387
9388   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
9389     if (selectbox_info[selectbox_id].options[i].value == new_value)
9390       new_index_value = i;
9391
9392   *selectbox_info[selectbox_id].value =
9393     selectbox_info[selectbox_id].options[new_index_value].value;
9394
9395   return new_index_value;
9396 }
9397
9398 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9399 {
9400   int i;
9401
9402   // change action mode and arg variables according to action type variable
9403   for (i = 0; action_arg_options[i].value != -1; i++)
9404   {
9405     if (action_arg_options[i].value == custom_element_change.action_type)
9406     {
9407       int mode = action_arg_options[i].mode;
9408
9409       // only change if corresponding selectbox has changed
9410       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9411           action_arg_modes[mode])
9412         custom_element_change.action_mode = -1;
9413
9414       // only change if corresponding selectbox has changed
9415       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9416           action_arg_options[i].options)
9417         custom_element_change.action_arg = -1;
9418
9419       break;
9420     }
9421   }
9422 }
9423
9424 static void setSelectboxSpecialActionOptions(void)
9425 {
9426   int i;
9427
9428   // change action mode and arg selectbox according to action type selectbox
9429   for (i = 0; action_arg_options[i].value != -1; i++)
9430   {
9431     if (action_arg_options[i].value == custom_element_change.action_type)
9432     {
9433       int mode = action_arg_options[i].mode;
9434
9435       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9436                                    action_arg_modes[mode]);
9437       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9438                                  custom_element_change.action_mode);
9439
9440       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9441                                    action_arg_options[i].options);
9442       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9443                                  custom_element_change.action_arg);
9444       break;
9445     }
9446   }
9447 }
9448
9449 static void copy_custom_element_settings(int element_from, int element_to)
9450 {
9451   struct ElementInfo *ei_from = &element_info[element_from];
9452   struct ElementInfo *ei_to = &element_info[element_to];
9453
9454   copyElementInfo(ei_from, ei_to);
9455 }
9456
9457 static void replace_custom_element_in_settings(int element_from,
9458                                                int element_to)
9459 {
9460   int i, j, x, y;
9461
9462   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9463   {
9464     struct ElementInfo *ei = &element_info[i];
9465
9466     for (y = 0; y < 3; y++)
9467       for (x = 0; x < 3; x++)
9468         if (ei->content.e[x][y] == element_from)
9469           ei->content.e[x][y] = element_to;
9470
9471     for (j = 0; j < ei->num_change_pages; j++)
9472     {
9473       struct ElementChangeInfo *change = &ei->change_page[j];
9474
9475       if (change->target_element == element_from)
9476         change->target_element = element_to;
9477
9478       if (change->initial_trigger_element == element_from)
9479         change->initial_trigger_element = element_to;
9480
9481       if (change->action_element == element_from)
9482         change->action_element = element_to;
9483
9484       for (y = 0; y < 3; y++)
9485         for (x = 0; x < 3; x++)
9486           if (change->target_content.e[x][y] == element_from)
9487             change->target_content.e[x][y] = element_to;
9488     }
9489
9490     if (ei->group != NULL)                              // group or internal
9491       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9492         if (ei->group->element[j] == element_from)
9493           ei->group->element[j] = element_to;
9494   }
9495 }
9496
9497 static void replace_custom_element_in_playfield(int element_from,
9498                                                 int element_to)
9499 {
9500   int x, y;
9501
9502   for (x = 0; x < lev_fieldx; x++)
9503     for (y = 0; y < lev_fieldy; y++)
9504       if (Tile[x][y] == element_from)
9505         Tile[x][y] = element_to;
9506 }
9507
9508 static boolean CopyCustomElement(int element_old, int element_new,
9509                                  int copy_mode)
9510 {
9511   int copy_mode_orig = copy_mode;
9512
9513   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9514   {
9515     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9516                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9517     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9518   }
9519   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9520   {
9521     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9522                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9523     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9524
9525     level.changed = TRUE;
9526   }
9527   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9528   {
9529     Request("Please choose custom element!", REQ_CONFIRM);
9530
9531     return FALSE;
9532   }
9533   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9534   {
9535     Request("Please choose group element!", REQ_CONFIRM);
9536
9537     return FALSE;
9538   }
9539   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9540   {
9541     Request("Please choose empty element!", REQ_CONFIRM);
9542
9543     return FALSE;
9544   }
9545   else
9546   {
9547     level.changed = TRUE;
9548   }
9549
9550   // when modifying custom/group element, ask for copying level template
9551   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9552   {
9553     if (!AskToCopyAndModifyLevelTemplate())
9554       return FALSE;
9555   }
9556
9557   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9558   {
9559     copy_custom_element_settings(element_new, element_old);
9560   }
9561   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9562   {
9563     copy_custom_element_settings(element_old, element_new);
9564   }
9565   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9566   {
9567     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9568     copy_custom_element_settings(element_new, element_old);
9569     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9570
9571     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9572     replace_custom_element_in_settings(element_new, element_old);
9573     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9574
9575     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9576     replace_custom_element_in_playfield(element_new, element_old);
9577     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9578   }
9579
9580   UpdateCustomElementGraphicGadgets();
9581   DrawPropertiesWindow();
9582
9583   return TRUE;
9584 }
9585
9586 static void CopyCustomElementPropertiesToEditor(int element)
9587 {
9588   int i;
9589   int current_change_page = element_info[element].current_change_page;
9590
9591   // dynamically (re)build selectbox for selecting change page
9592   for (i = 0; i < element_info[element].num_change_pages; i++)
9593   {
9594     sprintf(options_change_page_strings[i], "%d", i + 1);
9595
9596     options_change_page[i].value = i;
9597     options_change_page[i].text = options_change_page_strings[i];
9598   }
9599
9600   options_change_page[i].value = -1;
9601   options_change_page[i].text = NULL;
9602
9603   // needed here to initialize combined element properties
9604   InitElementPropertiesEngine(level.game_version);
9605
9606   element_info[element].change =
9607     &element_info[element].change_page[current_change_page];
9608
9609   custom_element = element_info[element];
9610   custom_element_change = *element_info[element].change;
9611
9612   // needed to initially set selectbox options for special action options
9613   setSelectboxSpecialActionOptions();
9614
9615   // needed to initially set selectbox value variables to reliable defaults
9616   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9617     setSelectboxValue(i, *selectbox_info[i].value);
9618
9619   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9620     custom_element_properties[i] = HAS_PROPERTY(element, i);
9621
9622   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9623     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9624
9625   // ---------- element settings: configure (custom elements) -----------------
9626
9627   // set accessible layer selectbox help value
9628   custom_element.access_type =
9629     (IS_WALKABLE(element) ? EP_WALKABLE :
9630      IS_PASSABLE(element) ? EP_PASSABLE :
9631      custom_element.access_type);
9632   custom_element.access_layer =
9633     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9634      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9635      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9636      custom_element.access_layer);
9637   custom_element.access_protected =
9638     (IS_PROTECTED(element) ? 1 : 0);
9639   custom_element_properties[EP_ACCESSIBLE] =
9640     (IS_ACCESSIBLE_OVER(element) ||
9641      IS_ACCESSIBLE_INSIDE(element) ||
9642      IS_ACCESSIBLE_UNDER(element));
9643
9644   // set walk-to-object action selectbox help value
9645   custom_element.walk_to_action =
9646     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9647      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9648      IS_DROPPABLE(element) ? EP_DROPPABLE :
9649      IS_THROWABLE(element) ? EP_THROWABLE :
9650      IS_PUSHABLE(element) ? EP_PUSHABLE :
9651      custom_element.walk_to_action);
9652   custom_element_properties[EP_WALK_TO_OBJECT] =
9653     (IS_DIGGABLE(element) ||
9654      IS_COLLECTIBLE_ONLY(element) ||
9655      IS_DROPPABLE(element) ||
9656      IS_THROWABLE(element) ||
9657      IS_PUSHABLE(element));
9658
9659   // set smash targets selectbox help value
9660   custom_element.smash_targets =
9661     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9662      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9663      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9664      custom_element.smash_targets);
9665   custom_element_properties[EP_CAN_SMASH] =
9666     (CAN_SMASH_EVERYTHING(element) ||
9667      CAN_SMASH_ENEMIES(element) ||
9668      CAN_SMASH_PLAYER(element));
9669
9670   // set deadliness selectbox help value
9671   custom_element.deadliness =
9672     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9673      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9674      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9675      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9676      custom_element.deadliness);
9677   custom_element_properties[EP_DEADLY] =
9678     (DONT_TOUCH(element) ||
9679      DONT_GET_HIT_BY(element) ||
9680      DONT_COLLIDE_WITH(element) ||
9681      DONT_RUN_INTO(element));
9682
9683   // ---------- element settings: advanced (custom elements) ------------------
9684
9685   // set "change by direct action" selectbox help value
9686   custom_element_change.direct_action =
9687     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9688      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9689      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9690      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9691      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9692      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9693      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9694      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9695      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9696      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9697      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9698      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9699      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9700      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9701      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9702      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9703      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9704      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9705      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9706      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9707      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9708      custom_element_change.direct_action);
9709
9710   // set "change by other element action" selectbox help value
9711   custom_element_change.other_action =
9712     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9713      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9714      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9715      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9716      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9717      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9718      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9719      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9720      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9721      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9722      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9723      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9724      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9725      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9726      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9727      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9728      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9729      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9730      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9731      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9732      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9733      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9734      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9735      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9736      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9737      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9738      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9739      custom_element_change.other_action);
9740 }
9741
9742 static void CopyGroupElementPropertiesToEditor(int element)
9743 {
9744   group_element_info = *element_info[element].group;
9745   custom_element = element_info[element];       // needed for description
9746 }
9747
9748 static void CopyEmptyElementPropertiesToEditor(int element)
9749 {
9750   custom_element = element_info[element];
9751 }
9752
9753 static void CopyClassicElementPropertiesToEditor(int element)
9754 {
9755   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9756     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9757       getMoveIntoAcidProperty(&level, element);
9758
9759   if (MAYBE_DONT_COLLIDE_WITH(element))
9760     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9761       getDontCollideWithProperty(&level, element);
9762 }
9763
9764 static void CopyElementPropertiesToEditor(int element)
9765 {
9766   if (IS_CUSTOM_ELEMENT(element))
9767     CopyCustomElementPropertiesToEditor(element);
9768   else if (IS_GROUP_ELEMENT(element))
9769     CopyGroupElementPropertiesToEditor(element);
9770   else if (IS_EMPTY_ELEMENT(element))
9771     CopyEmptyElementPropertiesToEditor(element);
9772   else
9773     CopyClassicElementPropertiesToEditor(element);
9774 }
9775
9776 static boolean AskToCopyAndModifyLevelTemplate(void)
9777 {
9778   if (Request("Copy and modify settings from level template?", REQ_ASK))
9779   {
9780     level.use_custom_template = FALSE;
9781
9782     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9783                  GDI_CHECKED, FALSE, GDI_END);
9784     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9785                  GDI_CHECKED, FALSE, GDI_END);
9786
9787     return TRUE;
9788   }
9789   else
9790   {
9791     LoadLevelTemplate(-1);      // this resets all element modifications ...
9792
9793     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9794
9795     return FALSE;
9796   }
9797 }
9798
9799 static void CopyCustomElementPropertiesToGame(int element)
9800 {
9801   int i;
9802   int access_type_and_layer;
9803
9804   // mark that this custom element has been modified
9805   custom_element.modified_settings = TRUE;
9806   level.changed = TRUE;
9807
9808   if (level.use_custom_template)
9809     AskToCopyAndModifyLevelTemplate();
9810
9811   element_info[element] = custom_element;
9812   *element_info[element].change = custom_element_change;
9813
9814   // ---------- element settings: configure (custom elements) -----------------
9815
9816   // set accessible property from checkbox and selectbox
9817   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9818   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9819   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9820   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9821   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9822   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9823   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9824                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9825                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9826   custom_element_properties[access_type_and_layer] =
9827     custom_element_properties[EP_ACCESSIBLE];
9828   custom_element_properties[EP_PROTECTED] =
9829     (custom_element.access_protected != 0 &&
9830      custom_element_properties[EP_ACCESSIBLE]);
9831
9832   // set walk-to-object property from checkbox and selectbox
9833   custom_element_properties[EP_DIGGABLE] = FALSE;
9834   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9835   custom_element_properties[EP_DROPPABLE] = FALSE;
9836   custom_element_properties[EP_THROWABLE] = FALSE;
9837   custom_element_properties[EP_PUSHABLE] = FALSE;
9838   custom_element_properties[custom_element.walk_to_action] =
9839     custom_element_properties[EP_WALK_TO_OBJECT];
9840
9841   // set smash property from checkbox and selectbox
9842   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9843   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9844   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9845   custom_element_properties[custom_element.smash_targets] =
9846     custom_element_properties[EP_CAN_SMASH];
9847
9848   // set deadliness property from checkbox and selectbox
9849   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9850   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9851   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9852   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9853   custom_element_properties[custom_element.deadliness] =
9854     custom_element_properties[EP_DEADLY];
9855
9856   // ---------- element settings: advanced (custom elements) ------------------
9857
9858   // set player change event from checkbox and selectbox
9859   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9860   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9861   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9862   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9863   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9864   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9865   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9866   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9867   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9868   custom_element_change_events[CE_SWITCHED] = FALSE;
9869   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9870   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9871   custom_element_change_events[CE_BLOCKED] = FALSE;
9872   custom_element_change_events[CE_IMPACT] = FALSE;
9873   custom_element_change_events[CE_SMASHED] = FALSE;
9874   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9875   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9876   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9877   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9878   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9879   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9880   custom_element_change_events[custom_element_change.direct_action] =
9881     custom_element_change_events[CE_BY_DIRECT_ACTION];
9882
9883   // set other element action change event from checkbox and selectbox
9884   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9885   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9886   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9887   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9888   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9889   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9890   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9891   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9892   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9893   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9894   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9895   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9896   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9897   custom_element_change_events[CE_HITTING_X] = FALSE;
9898   custom_element_change_events[CE_DIGGING_X] = FALSE;
9899   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9900   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9901   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9902   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9903   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9904   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9905   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9906   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9907   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9908   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9909   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9910   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9911   custom_element_change_events[custom_element_change.other_action] =
9912     custom_element_change_events[CE_BY_OTHER_ACTION];
9913
9914   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9915     SET_PROPERTY(element, i, custom_element_properties[i]);
9916
9917   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9918     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9919
9920   // copy change events also to special level editor variable
9921   custom_element = element_info[element];
9922   custom_element_change = *element_info[element].change;
9923
9924   // needed here to restore runtime value "element_info[element].gfx_element"
9925   InitElementPropertiesGfxElement();
9926 }
9927
9928 static void CopyGroupElementPropertiesToGame(int element)
9929 {
9930   // mark that this group element has been modified
9931   custom_element.modified_settings = TRUE;
9932   level.changed = TRUE;
9933
9934   if (level.use_custom_template)
9935     AskToCopyAndModifyLevelTemplate();
9936
9937   element_info[element] = custom_element;
9938   *element_info[element].group = group_element_info;
9939
9940   // needed here to restore runtime value "element_info[element].gfx_element"
9941   InitElementPropertiesGfxElement();
9942 }
9943
9944 static void CopyEmptyElementPropertiesToGame(int element)
9945 {
9946   // mark that this empty element has been modified
9947   custom_element.modified_settings = TRUE;
9948   level.changed = TRUE;
9949
9950   if (level.use_custom_template)
9951     AskToCopyAndModifyLevelTemplate();
9952
9953   element_info[element] = custom_element;
9954
9955   // needed here to restore runtime value "element_info[element].gfx_element"
9956   InitElementPropertiesGfxElement();
9957 }
9958
9959 static void CopyClassicElementPropertiesToGame(int element)
9960 {
9961   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9962     setMoveIntoAcidProperty(&level, element,
9963                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9964
9965   if (MAYBE_DONT_COLLIDE_WITH(element))
9966     setDontCollideWithProperty(&level, element,
9967                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9968 }
9969
9970 static void CopyElementPropertiesToGame(int element)
9971 {
9972   if (IS_CUSTOM_ELEMENT(element))
9973     CopyCustomElementPropertiesToGame(element);
9974   else if (IS_GROUP_ELEMENT(element))
9975     CopyGroupElementPropertiesToGame(element);
9976   else if (IS_EMPTY_ELEMENT(element))
9977     CopyEmptyElementPropertiesToGame(element);
9978   else
9979     CopyClassicElementPropertiesToGame(element);
9980 }
9981
9982 #if DEBUG
9983 static void CheckElementDescriptions(void)
9984 {
9985   int i;
9986
9987   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9988     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
9989       Warn("no element description file for element '%s'", EL_NAME(i));
9990 }
9991 #endif
9992
9993 static int getMaxEdFieldX(boolean has_scrollbar)
9994 {
9995   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
9996   int sxsize = SXSIZE - scrollbar_width;
9997   int max_ed_fieldx = sxsize / ed_tilesize;
9998
9999   return max_ed_fieldx;
10000 }
10001
10002 static int getMaxEdFieldY(boolean has_scrollbar)
10003 {
10004   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
10005                          INFOTEXT_YSIZE_FULL : 0);
10006   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
10007   int sysize = SYSIZE - scrollbar_height - infotext_height;
10008   int max_ed_fieldy = sysize / ed_tilesize;
10009
10010   return max_ed_fieldy;
10011 }
10012
10013 static void InitZoomLevelSettings(int zoom_tilesize)
10014 {
10015   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
10016
10017   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
10018   {
10019     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
10020     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
10021
10022     // make sure that tile size is always a power of 2
10023     ed_tilesize = (1 << log_2(ed_tilesize));
10024
10025     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10026     {
10027       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
10028       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
10029     }
10030   }
10031
10032   last_game_engine_type = level.game_engine_type;
10033
10034   // limit zoom tilesize by upper and lower bound
10035   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
10036
10037   // store zoom tilesize in auto setup file only if it was manually changed
10038   if (zoom_tilesize != -1)
10039     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
10040
10041   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
10042   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
10043 }
10044
10045 static void InitDrawingElements(void)
10046 {
10047   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
10048
10049   if (level.game_engine_type == game_engine_type_last)
10050     return;
10051
10052   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10053   {
10054     new_element1 = EL_BD_WALL;
10055     new_element2 = EL_EMPTY;
10056     new_element3 = EL_BD_SAND;
10057   }
10058   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
10059   {
10060     new_element1 = EL_SP_CHIP_SINGLE;
10061     new_element2 = EL_EMPTY;
10062     new_element3 = EL_SP_BASE;
10063   }
10064   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10065   {
10066     new_element1 = EL_MM_MIRROR_START;
10067     new_element2 = EL_EMPTY;
10068     new_element3 = EL_MM_WOODEN_WALL;
10069   }
10070   else
10071   {
10072     new_element1 = EL_WALL;
10073     new_element2 = EL_EMPTY;
10074     new_element3 = EL_SAND;
10075   }
10076
10077   game_engine_type_last = level.game_engine_type;
10078 }
10079
10080 static void InitLevelSetInfo(void)
10081 {
10082   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
10083            "%s", leveldir_current->name);
10084   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
10085            "%s", leveldir_current->author);
10086
10087   levelset_num_levels = leveldir_current->levels;
10088
10089   levelset_use_levelset_artwork = FALSE;
10090   levelset_copy_level_template = FALSE;
10091
10092   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
10093 }
10094
10095 static void ChangeEditorToLevelSet(char *levelset_subdir)
10096 {
10097   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
10098
10099   // the previous level set might have used custom artwork
10100   ReloadCustomArtwork(0);
10101
10102   LoadLevelSetup_SeriesInfo();
10103
10104   SaveLevelSetup_LastSeries();
10105   SaveLevelSetup_SeriesInfo();
10106
10107   TapeErase();
10108
10109   LoadLevel(level_nr);
10110   LoadScore(level_nr);
10111
10112   DrawLevelEd();
10113 }
10114
10115 static boolean useEditorDoorAnimation(void)
10116 {
10117   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
10118   boolean door_1_viewport_unchanged =
10119     (vp_door_1->x      == DX     &&
10120      vp_door_1->y      == DY     &&
10121      vp_door_1->width  == DXSIZE &&
10122      vp_door_1->height == DYSIZE);
10123   boolean door_1_contains_toolbox =
10124     (EX >= DX &&
10125      EY >= DY &&
10126      EX + EXSIZE <= DX + DXSIZE &&
10127      EY + EYSIZE <= DY + DYSIZE);
10128
10129   return (door_1_viewport_unchanged && door_1_contains_toolbox);
10130 }
10131
10132 static void DrawEditorDoorBackground(int graphic, int x, int y,
10133                                      int width, int height)
10134 {
10135   struct GraphicInfo *g = &graphic_info[graphic];
10136
10137   if (g->bitmap != NULL)
10138     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
10139                MIN(width, g->width), MIN(height, g->height), x, y);
10140   else
10141     ClearRectangle(drawto, x, y, width, height);
10142 }
10143
10144 static void DrawEditorDoorContent(void)
10145 {
10146   // needed for gadgets drawn on background (like palette scrollbar)
10147   SetDoorBackgroundImage(IMG_UNDEFINED);
10148
10149   // copy default editor door content to main double buffer
10150   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
10151
10152   // draw bigger door
10153   DrawSpecialEditorDoor();
10154
10155   // draw new control window
10156   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
10157
10158   // draw all toolbox gadgets to editor doors
10159   MapControlButtons();
10160
10161   // when returning from test game to properties page, redraw toolbox gadgets
10162   if (edit_mode == ED_MODE_PROPERTIES)
10163   {
10164     UnmapLevelEditorToolboxDrawingGadgets();
10165     UnmapLevelEditorToolboxCustomGadgets();
10166
10167     MapLevelEditorToolboxCustomGadgetsIfNeeded();
10168   }
10169
10170   // draw all palette gadgets to editor doors
10171   ModifyEditorElementList();
10172   RedrawDrawingElements();
10173
10174   // copy actual editor door content to door double buffer for OpenDoor()
10175   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
10176 }
10177
10178 void DrawLevelEd(void)
10179 {
10180   int fade_mask = REDRAW_FIELD;
10181
10182   FadeSoundsAndMusic();
10183
10184   if (CheckFadeAll())
10185     fade_mask = REDRAW_ALL;
10186
10187   FadeOut(fade_mask);
10188
10189   // needed if different viewport properties defined for editor
10190   ChangeViewportPropertiesIfNeeded();
10191
10192   ClearField();
10193
10194   InitZoomLevelSettings(-1);
10195   InitDrawingElements();
10196   InitLevelSetInfo();
10197
10198 #if DEBUG
10199   CheckElementDescriptions();
10200 #endif
10201
10202   if (level_editor_test_game)
10203   {
10204     CopyPlayfield(level.field, Tile);
10205     CopyPlayfield(TileBackup, level.field);
10206
10207     level_editor_test_game = FALSE;
10208   }
10209   else
10210   {
10211     edit_mode = ED_MODE_DRAWING;
10212     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
10213     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
10214
10215     ResetUndoBuffer();
10216
10217     level_xpos = -1;
10218     level_ypos = -1;
10219   }
10220
10221   // redraw_mask |= REDRAW_ALL;
10222
10223   FreeLevelEditorGadgets();
10224   CreateLevelEditorGadgets();
10225
10226   ReinitializeElementList();            // update dynamic level element list
10227   ReinitializeElementListButtons();     // custom element may look different
10228
10229   InitElementPropertiesGfxElement();
10230
10231   UnmapAllGadgets();
10232
10233   DrawEditModeWindow_PlayfieldOnly();
10234
10235   DrawMaskedBorder(fade_mask);
10236
10237   // use door animation if door 1 viewport is unchanged and contains toolbox
10238   if (useEditorDoorAnimation())
10239   {
10240     FadeIn(fade_mask);
10241
10242     DrawEditorDoorContent();
10243
10244     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
10245   }
10246   else
10247   {
10248     DrawEditorDoorContent();
10249
10250     FadeIn(fade_mask);
10251   }
10252
10253   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
10254 }
10255
10256 static void AdjustDrawingAreaGadgets(void)
10257 {
10258   int ed_xsize = lev_fieldx + 2;
10259   int ed_ysize = lev_fieldy + 2;
10260   int max_ed_fieldx = MAX_ED_FIELDX;
10261   int max_ed_fieldy = MAX_ED_FIELDY;
10262   boolean horizontal_scrollbar_needed;
10263   boolean vertical_scrollbar_needed;
10264   int x, y, width, height;
10265
10266   if (suppressBorderElement())
10267   {
10268     ed_xsize = lev_fieldx;
10269     ed_ysize = lev_fieldy;
10270   }
10271
10272   // check if we need any scrollbars
10273   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10274   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10275
10276   // check if we have a smaller editor field because of scrollbars
10277   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10278   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10279
10280   // check again if we now need more scrollbars because of less space
10281   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10282   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10283
10284   // check if editor field gets even smaller after adding new scrollbars
10285   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10286   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10287
10288   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
10289   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
10290
10291   x = SX + ed_fieldx * ed_tilesize;
10292   y = SY + ed_fieldy * ed_tilesize;
10293
10294   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
10295   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
10296
10297   // adjust drawing area gadget
10298   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
10299                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
10300                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
10301                GDI_END);
10302
10303   // adjust horizontal scrollbar gadgets
10304   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
10305                GDI_Y, y,
10306                GDI_END);
10307   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
10308                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
10309                GDI_Y, y,
10310                GDI_END);
10311   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10312                GDI_Y, y,
10313                GDI_WIDTH, width,
10314                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
10315                GDI_END);
10316
10317   // adjust vertical scrollbar gadgets
10318   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
10319                GDI_X, x,
10320                GDI_END);
10321   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
10322                GDI_X, x,
10323                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
10324                GDI_END);
10325   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10326                GDI_X, x,
10327                GDI_HEIGHT, height,
10328                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
10329                GDI_END);
10330 }
10331
10332 static void AdjustLevelScrollPosition(void)
10333 {
10334   if (level_xpos < -1)
10335     level_xpos = -1;
10336   if (level_xpos > lev_fieldx - ed_fieldx + 1)
10337     level_xpos = lev_fieldx - ed_fieldx + 1;
10338   if (lev_fieldx < ed_fieldx - 2)
10339     level_xpos = -1;
10340
10341   if (level_ypos < -1)
10342     level_ypos = -1;
10343   if (level_ypos > lev_fieldy - ed_fieldy + 1)
10344     level_ypos = lev_fieldy - ed_fieldy + 1;
10345   if (lev_fieldy < ed_fieldy - 2)
10346     level_ypos = -1;
10347
10348   if (suppressBorderElement())
10349   {
10350     level_xpos = 0;
10351     level_ypos = 0;
10352   }
10353 }
10354
10355 static void AdjustEditorScrollbar(int id)
10356 {
10357   struct GadgetInfo *gi = level_editor_gadget[id];
10358   int items_max, items_visible, item_position;
10359
10360   if (id == GADGET_ID_SCROLL_HORIZONTAL)
10361   {
10362     items_max = MAX(lev_fieldx + 2, ed_fieldx);
10363     items_visible = ed_fieldx;
10364     item_position = level_xpos + 1;
10365   }
10366   else
10367   {
10368     items_max = MAX(lev_fieldy + 2, ed_fieldy);
10369     items_visible = ed_fieldy;
10370     item_position = level_ypos + 1;
10371   }
10372
10373   if (item_position > items_max - items_visible)
10374     item_position = items_max - items_visible;
10375
10376   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10377                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10378 }
10379
10380 static void AdjustElementListScrollbar(void)
10381 {
10382   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
10383   int items_max, items_visible, item_position;
10384
10385   // correct position of element list scrollbar
10386   if (element_shift < 0)
10387     element_shift = 0;
10388   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10389     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10390
10391   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
10392   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
10393   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
10394
10395   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10396                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10397                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10398 }
10399
10400 static void ModifyEditorCounterValue(int counter_id, int new_value)
10401 {
10402   int *counter_value = counterbutton_info[counter_id].value;
10403   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10404   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10405
10406   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10407
10408   if (counter_value != NULL)
10409     *counter_value = gi->textinput.number_value;
10410 }
10411
10412 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10413 {
10414   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10415   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10416
10417   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10418
10419   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10420       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10421   {
10422     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10423     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10424
10425     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10426     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10427                  GDI_END);
10428   }
10429 }
10430
10431 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10432 {
10433   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10434   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10435   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10436
10437   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10438 }
10439
10440 static void ModifyEditorSelectboxOptions(int selectbox_id,
10441                                          struct ValueTextInfo *options)
10442 {
10443   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10444   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10445
10446   selectbox_info[selectbox_id].options = options;
10447
10448   // set index to zero -- list may be shorter now (correct later, if needed)
10449   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10450                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10451 }
10452
10453 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10454 {
10455   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10456   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10457
10458   drawingarea_info[drawingarea_id].area_xsize = xsize;
10459   drawingarea_info[drawingarea_id].area_ysize = ysize;
10460
10461   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10462 }
10463
10464 static void ModifyEditorElementList(void)
10465 {
10466   int i;
10467
10468   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10469     return;
10470
10471   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10472   {
10473     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10474     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10475     struct GadgetDesign *gd = &gi->deco.design;
10476     int element = editor_elements[element_shift + i];
10477     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10478
10479     UnmapGadget(gi);
10480
10481     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10482
10483     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10484
10485     MapGadget(gi);
10486   }
10487 }
10488
10489 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10490 {
10491   int graphic = el2edimg(element);
10492   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10493
10494   if (pos->x == -1 &&
10495       pos->y == -1)
10496     return;
10497
10498   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10499 }
10500
10501 static void ModifyDrawingElementButton(int element, int id)
10502 {
10503   struct GadgetInfo *gi = level_editor_gadget[id];
10504   Bitmap *deco_bitmap;
10505   int deco_x, deco_y;
10506   int tile_size = gi->deco.width;
10507
10508   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10509
10510   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10511 }
10512
10513 static void PickDrawingElement(int button, int element)
10514 {
10515   struct
10516   {
10517     int *new_element;
10518     struct XYTileSize *pos;
10519     int id;
10520   } de, drawing_elements[] =
10521   {
10522     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10523     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10524     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10525   };
10526
10527   if (button < 1 || button > 3)
10528     return;
10529
10530   if (IS_MM_WALL(element))
10531     element = map_mm_wall_element(element);
10532
10533   de = drawing_elements[button - 1];
10534
10535   *de.new_element = element;    // update global drawing element variable
10536
10537   DrawDrawingElementGraphic(element, de.pos);
10538   ModifyDrawingElementButton(element, de.id);
10539
10540   redraw_mask |= REDRAW_DOOR_1;
10541 }
10542
10543 static void RedrawDrawingElements(void)
10544 {
10545   PickDrawingElement(1, new_element1);
10546   PickDrawingElement(2, new_element2);
10547   PickDrawingElement(3, new_element3);
10548 }
10549
10550 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10551 {
10552   stick_element_properties_window = FALSE;
10553
10554   SetMainBackgroundImage(IMG_UNDEFINED);
10555   ClearField();
10556
10557   UnmapLevelEditorFieldGadgets();
10558
10559   AdjustDrawingAreaGadgets();
10560   AdjustLevelScrollPosition();
10561   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10562   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10563
10564   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10565
10566   MapMainDrawingArea();
10567
10568   if (remap_toolbox_gadgets)
10569   {
10570     UnmapLevelEditorToolboxCustomGadgets();
10571     MapLevelEditorToolboxDrawingGadgets();
10572   }
10573 }
10574
10575 static void DrawDrawingWindow(void)
10576 {
10577   DrawDrawingWindowExt(TRUE);
10578 }
10579
10580 static int getTabulatorBarWidth(void)
10581 {
10582   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10583   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10584
10585   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10586 }
10587
10588 static int getTabulatorBarHeight(void)
10589 {
10590   return ED_TAB_BAR_HEIGHT;
10591 }
10592
10593 static Pixel getTabulatorBarColor(void)
10594 {
10595   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10596   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10597   int gd_x = gd->x + gd_gi1->border.width / 2;
10598   int gd_y = gd->y + gd_gi1->height - 1;
10599
10600   return GetPixel(gd->bitmap, gd_x, gd_y);
10601 }
10602
10603 static void DrawLevelConfigTabulatorGadgets(void)
10604 {
10605   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10606   Pixel tab_color = getTabulatorBarColor();
10607   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10608   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10609   int i;
10610
10611   // draw additional "engine" tabulator when using native BD engine
10612   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10613     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10614
10615   for (i = id_first; i <= id_last; i++)
10616   {
10617     int gadget_id = textbutton_info[i].gadget_id;
10618     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10619     boolean active = (i != edit_mode_levelconfig);
10620
10621     // draw background line below tabulator button
10622     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10623
10624     // draw solid line below inactive tabulator buttons
10625     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10626       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10627                     ED_GADGET_TINY_DISTANCE, tab_color);
10628
10629     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10630     MapTextbuttonGadget(i);
10631   }
10632
10633   // draw little border line below tabulator buttons
10634   if (tab_color != BLACK_PIXEL)                 // black => transparent
10635     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10636                   ED_GADGET_TINY_DISTANCE,
10637                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10638 }
10639
10640 static void DrawPropertiesTabulatorGadgets(void)
10641 {
10642   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10643   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10644   int gd_x = gd->x + gd_gi1->border.width / 2;
10645   int gd_y = gd->y + gd_gi1->height - 1;
10646   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10647   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10648   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10649   int i;
10650
10651   // draw two config tabulators for player elements
10652   if (IS_PLAYER_ELEMENT(properties_element))
10653     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10654
10655   // draw two config and one "change" tabulator for custom elements
10656   if (IS_CUSTOM_ELEMENT(properties_element))
10657     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10658
10659   for (i = id_first; i <= id_last; i++)
10660   {
10661     int gadget_id = textbutton_info[i].gadget_id;
10662     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10663     boolean active = (i != edit_mode_properties);
10664
10665     // use "config 1" and "config 2" instead of "config" for players and CEs
10666     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
10667         (IS_PLAYER_ELEMENT(properties_element) ||
10668          IS_CUSTOM_ELEMENT(properties_element)))
10669       continue;
10670
10671     // draw background line below tabulator button
10672     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10673
10674     // draw solid line below inactive tabulator buttons
10675     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10676       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10677                     ED_GADGET_TINY_DISTANCE, tab_color);
10678
10679     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10680     MapTextbuttonGadget(i);
10681   }
10682
10683   // draw little border line below tabulator buttons
10684   if (tab_color != BLACK_PIXEL)                 // black => transparent
10685     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10686                   ED_GADGET_TINY_DISTANCE,
10687                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10688 }
10689
10690 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10691 {
10692   DrawText(SX + xpos, SY + ypos, text, font_nr);
10693 }
10694
10695 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10696                                            int xpos, int ypos)
10697 {
10698   int font_width = getFontWidth(font_nr);
10699   int font_height = getFontHeight(font_nr);
10700   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10701   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10702
10703   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10704                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10705                       TRUE, FALSE, FALSE);
10706 }
10707
10708 static void DrawLevelConfigLevel(void)
10709 {
10710   int i;
10711
10712   // draw counter gadgets
10713   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10714     MapCounterButtons(i);
10715
10716   // draw checkbutton gadgets
10717   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10718     MapCheckbuttonGadget(i);
10719
10720   // draw selectbox gadgets
10721   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10722     MapSelectboxGadget(i);
10723
10724   // draw text input gadgets
10725   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10726     MapTextInputGadget(i);
10727 }
10728
10729 static char *getLevelSubdirFromSaveMode(int save_mode)
10730 {
10731   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10732     return getNewUserLevelSubdir();
10733
10734   return leveldir_current->subdir;
10735 }
10736
10737 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10738 {
10739   char *directory_text = "Level set directory:";
10740   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10741   int font1_nr = FONT_TEXT_1;
10742   int font2_nr = FONT_TEXT_2;
10743   int font1_height = getFontHeight(font1_nr);
10744   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10745   int x = ED_LEVEL_SETTINGS_X(0);
10746   int y = ED_LEVEL_SETTINGS_Y(6);
10747
10748   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10749   PrintInfoText(directory_name, font2_nr, x, y);
10750 }
10751
10752 static void DrawLevelConfigLevelSet(void)
10753 {
10754   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10755   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10756   int i;
10757
10758   // draw counter gadgets
10759   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10760     MapCounterButtons(i);
10761
10762   // draw checkbutton gadgets
10763   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10764   {
10765     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10766         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10767         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10768       continue;
10769
10770     MapCheckbuttonGadget(i);
10771   }
10772
10773   // draw selectbox gadgets
10774   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10775     MapSelectboxGadget(i);
10776
10777   // draw text input gadgets
10778   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10779     MapTextInputGadget(i);
10780
10781   // draw textbutton gadgets
10782   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10783
10784   // draw info text
10785   DrawLevelConfigLevelSet_DirectoryInfo();
10786 }
10787
10788 static void DrawLevelConfigEditor(void)
10789 {
10790   int i;
10791
10792   // draw counter gadgets
10793   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10794     MapCounterButtons(i);
10795
10796   // draw checkbutton gadgets
10797   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10798     MapCheckbuttonGadget(i);
10799
10800   // draw radiobutton gadgets
10801   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10802     MapRadiobuttonGadget(i);
10803
10804   // draw drawing area
10805   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10806
10807   // draw textbutton gadgets
10808   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10809 }
10810
10811 static void DrawLevelConfigEngine(void)
10812 {
10813   int i;
10814
10815   // draw counter gadgets
10816   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10817   {
10818     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10819     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10820   }
10821   else
10822   {
10823     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10824     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10825   }
10826
10827   // draw checkbutton gadgets
10828   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10829     MapCheckbuttonGadget(i);
10830
10831   // draw selectbox gadgets
10832   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10833     MapSelectboxGadget(i);
10834 }
10835
10836 static void DrawLevelConfigWindow(void)
10837 {
10838   char *text = "Global Settings";
10839   int font_nr = FONT_TITLE_1;
10840   struct MenuPosInfo *pos = &editor.settings.headline;
10841   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10842   int sy = SY + pos->y;
10843
10844   stick_element_properties_window = FALSE;
10845
10846   SetAutomaticNumberOfGemsNeeded();
10847
10848   UnmapLevelEditorFieldGadgets();
10849
10850   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10851   ClearField();
10852
10853   DrawText(sx, sy, text, font_nr);
10854
10855   DrawLevelConfigTabulatorGadgets();
10856
10857   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10858     DrawLevelConfigLevel();
10859   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10860     DrawLevelConfigLevelSet();
10861   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10862     DrawLevelConfigEditor();
10863   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10864     DrawLevelConfigEngine();
10865 }
10866
10867 static void DrawCustomContentArea(void)
10868 {
10869   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10870   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10871   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10872   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10873   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10874   int xoffset = ED_GADGET_SPACE_DISTANCE;
10875
10876   // add distance for potential left text (without drawing area border)
10877   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10878
10879   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10880
10881   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10882 }
10883
10884 static void DrawCustomChangeContentArea(void)
10885 {
10886   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10887   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10888   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10889   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10890   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10891   int xoffset = ED_GADGET_SPACE_DISTANCE;
10892
10893   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10894
10895   MapDrawingArea(id);
10896 }
10897
10898 static void RemoveElementContentArea(int id, int font_height)
10899 {
10900   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10901
10902   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10903                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10904                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10905                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10906                  ED_GADGET_TEXT_DISTANCE + font_height);
10907 }
10908
10909 static void DrawYamYamContentAreas(void)
10910 {
10911   int font_nr = FONT_TEXT_1;
10912   int font_height = getFontHeight(font_nr);
10913   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10914   int yoffset = (tilesize - font_height) / 2;
10915   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10916   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10917   int i;
10918
10919   // display counter to choose number of element content areas
10920   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10921
10922   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10923   {
10924     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10925
10926     if (i < level.num_yamyam_contents)
10927     {
10928       MapDrawingArea(id);
10929     }
10930     else
10931     {
10932       UnmapDrawingArea(id);
10933
10934       // delete content areas in case of reducing number of them
10935       RemoveElementContentArea(id, font_height);
10936     }
10937   }
10938
10939   DrawText(x, y + 0 * tilesize, "content", font_nr);
10940   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10941   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10942 }
10943
10944 static void DrawMagicBallContentAreas(void)
10945 {
10946   int font_nr = FONT_TEXT_1;
10947   int font_height = getFontHeight(font_nr);
10948   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10949   int yoffset = (tilesize - font_height) / 2;
10950   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10951   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10952   int i;
10953
10954   // display counter to choose number of element content areas
10955   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10956
10957   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10958   {
10959     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10960
10961     if (i < level.num_ball_contents)
10962     {
10963       MapDrawingArea(id);
10964     }
10965     else
10966     {
10967       UnmapDrawingArea(id);
10968
10969       // delete content areas in case of reducing number of them
10970       RemoveElementContentArea(id, font_height);
10971     }
10972   }
10973
10974   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10975   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10976   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10977 }
10978
10979 static void DrawAndroidElementArea(void)
10980 {
10981   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10982   int num_elements = level.num_android_clone_elements;
10983   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10984   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10985   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10986   int xsize = MAX_ANDROID_ELEMENTS;
10987   int ysize = 1;
10988
10989   // display counter to choose number of element areas
10990   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
10991
10992   if (drawingarea_info[id].text_left != NULL)
10993     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10994
10995   UnmapDrawingArea(id);
10996
10997   ModifyEditorDrawingArea(id, num_elements, 1);
10998
10999   // delete content areas in case of reducing number of them
11000   DrawBackground(sx, sy,
11001                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11002                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11003
11004   MapDrawingArea(id);
11005 }
11006
11007 static void DrawGroupElementArea(void)
11008 {
11009   int id = ED_DRAWING_ID_GROUP_CONTENT;
11010   int num_elements = group_element_info.num_elements;
11011   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11012   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11013   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11014   int xsize = MAX_ELEMENTS_IN_GROUP;
11015   int ysize = 1;
11016
11017   if (drawingarea_info[id].text_left != NULL)
11018     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11019
11020   UnmapDrawingArea(id);
11021
11022   ModifyEditorDrawingArea(id, num_elements, 1);
11023
11024   // delete content areas in case of reducing number of them
11025   DrawBackground(sx, sy,
11026                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11027                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11028
11029   MapDrawingArea(id);
11030 }
11031
11032 static void DrawPlayerInitialInventoryArea(int element)
11033 {
11034   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
11035   int player_nr = GET_PLAYER_NR(element);
11036   int num_elements = level.initial_inventory_size[player_nr];
11037   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11038   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11039   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11040   int xsize = MAX_INITIAL_INVENTORY_SIZE;
11041   int ysize = 1;
11042
11043   // determine horizontal position to the right of specified gadget
11044   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
11045     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
11046           ED_DRAWINGAREA_TEXT_DISTANCE);
11047
11048   // determine horizontal offset for leading text
11049   if (drawingarea_info[id].text_left != NULL)
11050     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11051
11052   UnmapDrawingArea(id);
11053
11054   ModifyEditorDrawingArea(id, num_elements, 1);
11055
11056   // delete content areas in case of reducing number of them
11057   DrawBackground(sx, sy,
11058                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11059                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11060
11061   MapDrawingArea(id);
11062 }
11063
11064 static void DrawMMBallContentArea(void)
11065 {
11066   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
11067   int num_elements = level.num_mm_ball_contents;
11068   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11069   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11070   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11071   int xsize = MAX_MM_BALL_CONTENTS;
11072   int ysize = 1;
11073
11074   if (drawingarea_info[id].text_left != NULL)
11075     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11076
11077   UnmapDrawingArea(id);
11078
11079   ModifyEditorDrawingArea(id, num_elements, 1);
11080
11081   // delete content areas in case of reducing number of them
11082   DrawBackground(sx, sy,
11083                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11084                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11085
11086   MapDrawingArea(id);
11087 }
11088
11089 static void DrawEnvelopeTextArea(int envelope_nr)
11090 {
11091   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
11092   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
11093
11094   UnmapGadget(gi);
11095
11096   DrawBackground(gi->x, gi->y,
11097                  gi->textarea.crop_width, gi->textarea.crop_height);
11098
11099   if (envelope_nr != -1)
11100     textarea_info[id].value = level.envelope[envelope_nr].text;
11101
11102   ModifyGadget(gi, GDI_AREA_SIZE,
11103                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
11104                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
11105                GDI_END);
11106
11107   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
11108 }
11109
11110 static void DrawPropertiesInfo(void)
11111 {
11112   static struct
11113   {
11114     int value;
11115     char *text;
11116   }
11117   properties[] =
11118   {
11119     // configurable properties
11120
11121     { EP_WALKABLE_OVER,         "- player can walk over it"             },
11122     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
11123     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
11124     { EP_PASSABLE_OVER,         "- player can pass over it"             },
11125     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
11126     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
11127     { EP_PROTECTED,             "- player is protected by it"           },
11128
11129     { EP_DIGGABLE,              "- can be digged away"                  },
11130     { EP_COLLECTIBLE,           "- can be collected"                    },
11131     { EP_DROPPABLE,             "- can be dropped after collecting"     },
11132     { EP_THROWABLE,             "- can be thrown after collecting"      },
11133     { EP_PUSHABLE,              "- can be pushed"                       },
11134
11135     { EP_CAN_FALL,              "- can fall"                            },
11136     { EP_CAN_MOVE,              "- can move"                            },
11137
11138     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
11139 #if 0
11140     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
11141 #endif
11142     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
11143
11144     { EP_SLIPPERY,              "- slippery for falling elements"       },
11145     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
11146
11147     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
11148     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
11149     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
11150     { EP_DONT_TOUCH,            "- deadly when touching"                },
11151
11152     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
11153
11154     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
11155     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
11156     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
11157
11158     { EP_CAN_CHANGE,            "- can change to other element"         },
11159
11160     // pre-defined properties
11161     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
11162     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
11163     { EP_SWITCHABLE,            "- can be switched"                     },
11164 #if 0
11165     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
11166 #endif
11167
11168     { -1,                       NULL                                    }
11169   };
11170   char *filename = getElementDescriptionFilename(properties_element);
11171   char *num_elements_text = "In this level: ";
11172   char *num_similar_text = "Similar tiles: ";
11173   char *properties_text = "Standard properties: ";
11174   char *description_text = "Description:";
11175   char *no_description_text = "No description available.";
11176   char *none_text = "None";
11177   float percentage;
11178   int num_elements_in_level = 0;
11179   int num_similar_in_level = 0;
11180   int num_hires_tiles_in_level = 0;
11181   int num_standard_properties = 0;
11182   int font1_nr = FONT_TEXT_1;
11183   int font2_nr = FONT_TEXT_2;
11184   int font1_width = getFontWidth(font1_nr);
11185   int font1_height = getFontHeight(font1_nr);
11186   int font2_height = getFontHeight(font2_nr);
11187   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
11188   int font2_yoffset = (font1_height - font2_height) / 2;
11189   int num_elements_text_len = strlen(num_elements_text) * font1_width;
11190   int num_similar_text_len = strlen(num_similar_text) * font1_width;
11191   int properties_text_len = strlen(properties_text) * font1_width;
11192   int xpos = ED_ELEMENT_SETTINGS_X(0);
11193   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11194   int i, x, y;
11195
11196   if (setup.editor.show_element_token)
11197   {
11198     int font3_nr = FONT_TEXT_3;
11199     int font3_height = getFontHeight(font3_nr);
11200
11201     DrawTextF(xpos, ypos, font3_nr,
11202               "[%s]", element_info[properties_element].token_name);
11203
11204     ypos += 2 * font3_height;
11205   }
11206
11207   // ----- print number of elements / percentage of this element in level
11208
11209   for (y = 0; y < lev_fieldy; y++)
11210   {
11211     for (x = 0; x < lev_fieldx; x++)
11212     {
11213       if (Tile[x][y] == properties_element)
11214       {
11215         num_elements_in_level++;
11216       }
11217       else if (IS_MM_WALL(Tile[x][y]) &&
11218                map_mm_wall_element(Tile[x][y]) == properties_element)
11219       {
11220         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
11221       }
11222     }
11223   }
11224
11225   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11226
11227   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
11228
11229   if (num_hires_tiles_in_level > 0)
11230     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11231               "%d wall tiles", num_hires_tiles_in_level);
11232   else if (num_elements_in_level > 0)
11233     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11234               "%d (%.2f %%)", num_elements_in_level, percentage);
11235   else
11236     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11237               none_text);
11238
11239   // ----- print number of similar elements / percentage of them in level
11240
11241   for (y = 0; y < lev_fieldy; y++)
11242   {
11243     for (x = 0; x < lev_fieldx; x++)
11244     {
11245       if (strEqual(element_info[Tile[x][y]].class_name,
11246                    element_info[properties_element].class_name))
11247       {
11248         num_similar_in_level++;
11249       }
11250     }
11251   }
11252
11253   if (num_similar_in_level != num_elements_in_level)
11254   {
11255     ypos += 1 * MAX(font1_height, font2_height);
11256
11257     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11258
11259     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
11260
11261     if (num_similar_in_level > 0)
11262       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11263                 "%d (%.2f %%)", num_similar_in_level, percentage);
11264     else
11265       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11266                 none_text);
11267   }
11268
11269   ypos += 2 * MAX(font1_height, font2_height);
11270
11271   // ----- print standard properties of this element
11272
11273   DrawTextS(xpos, ypos, font1_nr, properties_text);
11274
11275   ypos += line1_height;
11276
11277   for (i = 0; properties[i].value != -1; i++)
11278   {
11279     if (!HAS_PROPERTY(properties_element, properties[i].value))
11280       continue;
11281
11282     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
11283
11284     ypos += font2_height;
11285
11286     num_standard_properties++;
11287   }
11288
11289   if (num_standard_properties == 0)
11290   {
11291     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
11292               font2_nr, none_text);
11293
11294     ypos -= (line1_height - font1_height);
11295   }
11296
11297   ypos += MAX(font1_height, font2_height);
11298
11299   // ----- print special description of this element
11300
11301   PrintInfoText(description_text, font1_nr, xpos, ypos);
11302
11303   ypos += line1_height;
11304
11305   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
11306     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
11307 }
11308
11309 #define TEXT_COLLECTING                 "Score for collecting"
11310 #define TEXT_COLLECTING_EXTRA           "Score for extra diamonds"
11311 #define TEXT_SMASHING                   "Score for smashing"
11312 #define TEXT_SLURPING                   "Score for slurping robot"
11313 #define TEXT_CRACKING                   "Score for cracking"
11314 #define TEXT_AMOEBA_SPEED               "Speed of amoeba growth"
11315 #define TEXT_AMOEBA_THRESHOED           "Size for turning to rocks"
11316 #define TEXT_AMOEBA_SLOW_TIME           "Slow growth time (seconds)"
11317 #define TEXT_AMOEBA_SLOW_RATE           "Slow growth rate (percent)"
11318 #define TEXT_AMOEBA_FAST_RATE           "Fast growth rate (percent)"
11319 #define TEXT_DURATION                   "Duration when activated"
11320 #define TEXT_DELAY_ON                   "Delay before activating"
11321 #define TEXT_DELAY_OFF                  "Delay before deactivating"
11322 #define TEXT_DELAY_CHANGING             "Delay before changing"
11323 #define TEXT_DELAY_EXPLODING            "Delay before exploding"
11324 #define TEXT_DELAY_MOVING               "Delay before moving"
11325 #define TEXT_BALL_DELAY                 "Element generation delay"
11326 #define TEXT_MOVE_SPEED                 "Speed of android moving"
11327 #define TEXT_CLONE_SPEED                "Speed of android cloning"
11328 #define TEXT_GAME_OF_LIFE_1             "Min neighbours to survive"
11329 #define TEXT_GAME_OF_LIFE_2             "Max neighbours to survive"
11330 #define TEXT_GAME_OF_LIFE_3             "Min neighbours to create"
11331 #define TEXT_GAME_OF_LIFE_4             "Max neighbours to create"
11332 #define TEXT_TIME_BONUS                 "Extra time to solve level"
11333 #define TEXT_TIME_PENALTY               "Time penalty if destroyed"
11334 #define TEXT_PERMEABILITY_RATE          "slime permeability rate"
11335 #define TEXT_PERMEABILITY_BITS          "slime permeability bits"
11336 #define TEXT_RANDOM_SEED                "slime random number seed"
11337 #define TEXT_ACID_SPREAD_RATE           "Spread rate (percent)"
11338 #define TEXT_BITER_MOVE_DELAY           "Move delay (BD frames)"
11339 #define TEXT_REPLICATION_DELAY          "Create delay (BD frames)"
11340 #define TEXT_HAMMER_BREAK_DELAY         "Delay for breaking walls"
11341 #define TEXT_HAMMER_REAPPEAR_DELAY      "Delay for reappearing walls"
11342 #define TEXT_SKELETONS_NEEDED           "Skeletons needed to use pot"
11343 #define TEXT_SKELETONS_WORTH            "Counts as this many diamonds"
11344 #define TEXT_AUTO_TURN_DELAY            "Creatures auto turn delay"
11345
11346 static struct
11347 {
11348   int element;
11349   int *value;
11350   char *text;
11351   int min_value;
11352   int max_value;
11353 } elements_with_counter[] =
11354 {
11355   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11356   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11357   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
11358   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11359   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11360   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11361   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11362   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
11363   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
11364   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
11365   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
11366   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
11367   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
11368   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11369   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11370   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
11371   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
11372   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
11373   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11374   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11375   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
11376   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11377   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11378   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11379   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11380   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11381   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11382   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11383   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11384   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11385   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11386   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11387   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11388   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11389   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11390   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11391   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11392   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11393   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
11394   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
11395   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11396   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11397   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11398   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11399   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
11400   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11401   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11402   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11403   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11404   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11405   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11406   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11407   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
11408   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11409   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11410   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11411   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11412   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11413   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11414   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11415   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11416   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11417   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11418   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11419   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11420   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
11421   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11422   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11423   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
11424   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
11425   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11426   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
11427   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11428   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11429   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11430   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11431   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11432   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11433   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11434   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11435   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
11436   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
11437   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
11438                                 0, 100                                                          },
11439   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
11440                                 0, 100                                                          },
11441   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
11442   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
11443   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
11444                                 0, 100                                                          },
11445   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11446                                 0, 100                                                          },
11447   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11448   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11449   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11450   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11451   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11452   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11453   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11454   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11455   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11456   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11457   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11458                                 -100, 100                                                       },
11459   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11460                                 0, 100                                                          },
11461   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11462                                 0, 100                                                          },
11463   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11464                                 0, 255                                                          },
11465   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11466                                 -1, 65535                                                       },
11467   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11468                                 0, 100                                                          },
11469   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11470                                 0, 3                                                            },
11471   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11472                                 0, 3                                                            },
11473   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11474                                 0, 3                                                            },
11475   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11476                                 0, 3                                                            },
11477   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11478                                 0, 3                                                            },
11479   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
11480                                 0, 100                                                          },
11481   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_break_delay,     TEXT_HAMMER_BREAK_DELAY,
11482                                 1, 100                                                          },
11483   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_reappear_delay,  TEXT_HAMMER_REAPPEAR_DELAY,
11484                                 1, 200                                                          },
11485   { EL_BD_POT,                  &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11486                                 0, 50                                                           },
11487   { EL_BD_SKELETON,             &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11488                                 0, 50                                                           },
11489   { EL_BD_SKELETON,             &level.bd_skeleton_worth_num_diamonds,  TEXT_SKELETONS_WORTH,
11490                                 0, 10                                                           },
11491   { EL_BD_CREATURE_SWITCH,      &level.bd_creatures_auto_turn_delay,    TEXT_AUTO_TURN_DELAY    },
11492   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11493   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11494   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11495   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11496   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11497   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11498   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11499   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11500   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11501   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11502   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11503   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11504   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11505   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11506   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11507   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11508   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11509   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11510   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11511   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11512   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11513   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11514   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11515   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11516   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11517
11518   { -1,                         NULL,                                   NULL                    }
11519 };
11520
11521 static boolean checkPropertiesConfig(int element)
11522 {
11523   int i;
11524
11525   // special case: empty space customization only available in R'n'D game engine
11526   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11527     return FALSE;
11528
11529   // special case: BD style rock customization only available in BD game engine
11530   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11531     return FALSE;
11532
11533   if (IS_GEM(element) ||
11534       IS_CUSTOM_ELEMENT(element) ||
11535       IS_GROUP_ELEMENT(element) ||
11536       IS_EMPTY_ELEMENT(element) ||
11537       IS_BALLOON_ELEMENT(element) ||
11538       IS_ENVELOPE(element) ||
11539       IS_MM_ENVELOPE(element) ||
11540       IS_MM_MCDUFFIN(element) ||
11541       IS_DF_LASER(element) ||
11542       IS_PLAYER_ELEMENT(element) ||
11543       IS_BD_PLAYER_ELEMENT(element) ||
11544       IS_BD_EXPANDABLE_WALL(properties_element) ||
11545       IS_BD_EXPANDABLE_STEELWALL(properties_element) ||
11546       IS_BD_CONVEYOR_BELT(properties_element) ||
11547       IS_BD_CONVEYOR_BELT_SWITCH(properties_element) ||
11548       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11549       HAS_EDITOR_CONTENT(element) ||
11550       CAN_GROW(element) ||
11551       COULD_MOVE_INTO_ACID(element) ||
11552       MAYBE_DONT_COLLIDE_WITH(element) ||
11553       element == EL_BD_SAND ||
11554       element == EL_BD_ROCK ||
11555       element == EL_BD_MEGA_ROCK ||
11556       element == EL_BD_SWEET ||
11557       element == EL_BD_VOODOO_DOLL ||
11558       element == EL_BD_WATER)
11559   {
11560     return TRUE;
11561   }
11562   else
11563   {
11564     for (i = 0; elements_with_counter[i].element != -1; i++)
11565       if (elements_with_counter[i].element == element)
11566         return TRUE;
11567   }
11568
11569   return FALSE;
11570 }
11571
11572 static void SetAutomaticNumberOfGemsNeeded(void)
11573 {
11574   int x, y;
11575
11576   if (!level.auto_count_gems)
11577     return;
11578
11579   level.gems_needed = 0;
11580
11581   for (x = 0; x < lev_fieldx; x++)
11582   {
11583     for (y = 0; y < lev_fieldy; y++)
11584     {
11585       int element = Tile[x][y];
11586
11587       switch (element)
11588       {
11589         case EL_EMERALD:
11590         case EL_EMERALD_YELLOW:
11591         case EL_EMERALD_RED:
11592         case EL_EMERALD_PURPLE:
11593         case EL_BD_DIAMOND:
11594         case EL_WALL_EMERALD:
11595         case EL_WALL_EMERALD_YELLOW:
11596         case EL_WALL_EMERALD_RED:
11597         case EL_WALL_EMERALD_PURPLE:
11598         case EL_WALL_BD_DIAMOND:
11599         case EL_NUT:
11600         case EL_SP_INFOTRON:
11601         case EL_MM_KETTLE:
11602         case EL_DF_CELL:
11603           level.gems_needed++;
11604           break;
11605
11606         case EL_DIAMOND:
11607         case EL_WALL_DIAMOND:
11608           level.gems_needed += 3;
11609           break;
11610
11611         case EL_PEARL:
11612         case EL_WALL_PEARL:
11613           level.gems_needed += 5;
11614           break;
11615
11616         case EL_CRYSTAL:
11617         case EL_WALL_CRYSTAL:
11618           level.gems_needed += 8;
11619           break;
11620
11621         default:
11622           break;
11623       }
11624     }
11625   }
11626
11627   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11628 }
11629
11630 static void DrawPropertiesConfig(void)
11631 {
11632   boolean draw_footer_line = FALSE;
11633   int max_num_element_counters = 4;
11634   int num_element_counters = 0;
11635   int i;
11636
11637   if (!checkPropertiesConfig(properties_element))
11638   {
11639     int xpos = ED_ELEMENT_SETTINGS_X(0);
11640     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11641
11642     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
11643
11644     return;
11645   }
11646
11647   // check if there are elements where a value can be chosen for
11648   for (i = 0; elements_with_counter[i].element != -1; i++)
11649   {
11650     if (elements_with_counter[i].element != properties_element)
11651       continue;
11652
11653     // special case: score for extra diamonds only available in BD game engine
11654     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
11655         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
11656         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11657       continue;
11658
11659     // special case: some amoeba counters only available in BD game engine
11660     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11661         elements_with_counter[i].value != &level.amoeba_speed &&
11662         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11663       continue;
11664
11665     // special case: some amoeba counters only available in R'n'D game engine
11666     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11667         elements_with_counter[i].value == &level.amoeba_speed &&
11668         level.game_engine_type == GAME_ENGINE_TYPE_BD)
11669       continue;
11670
11671     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
11672
11673     counterbutton_info[counter_id].y =
11674       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
11675                                (CAN_GROW(properties_element)                ? 1 : 0) +
11676                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
11677                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
11678                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
11679                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
11680                                (properties_element == EL_BD_ACID            ? 1 : 0) +
11681                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
11682                                (properties_element == EL_BD_CREATURE_SWITCH ? 2 : 0) +
11683                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
11684                                num_element_counters);
11685
11686     // special case: set magic wall counter for BD game engine separately
11687     if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11688       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(1);
11689
11690     // special case: set amoeba counters for BD game engine separately
11691     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
11692         (properties_element == EL_BD_AMOEBA_2))
11693       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
11694
11695     // special case: set position for delay counter for reappearing hammered walls
11696     if (properties_element == EL_BD_PNEUMATIC_HAMMER && num_element_counters > 0)
11697       counterbutton_info[counter_id].y += 1;
11698
11699     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
11700     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
11701     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
11702     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
11703
11704     // default: counter values between 0 and 999
11705     if (counterbutton_info[counter_id].max_value == 0)
11706       counterbutton_info[counter_id].max_value = 999;
11707
11708     MapCounterButtons(counter_id);
11709
11710     num_element_counters++;
11711     if (num_element_counters >= max_num_element_counters)
11712       break;
11713   }
11714
11715   if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11716   {
11717     // draw stickybutton gadget
11718     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11719
11720     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
11721     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
11722
11723     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO);
11724     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO);
11725     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO);
11726     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO);
11727     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO);
11728     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO);
11729     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO);
11730   }
11731
11732   if (HAS_EDITOR_CONTENT(properties_element))
11733   {
11734     // draw stickybutton gadget
11735     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11736
11737     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11738     {
11739       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11740       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11741
11742       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
11743       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
11744     }
11745     else if (properties_element == EL_BD_AMOEBA_2)
11746     {
11747       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11748       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11749       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
11750
11751       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
11752       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
11753       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
11754       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
11755     }
11756     else if (IS_AMOEBOID(properties_element))
11757       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
11758     else if (properties_element == EL_BD_ACID)
11759     {
11760       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
11761       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
11762     }
11763     else if (IS_BD_BITER(properties_element))
11764     {
11765       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
11766     }
11767     else if (properties_element == EL_BD_BLADDER)
11768     {
11769       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
11770     }
11771     else if (properties_element == EL_YAMYAM ||
11772              properties_element == EL_YAMYAM_LEFT ||
11773              properties_element == EL_YAMYAM_RIGHT ||
11774              properties_element == EL_YAMYAM_UP ||
11775              properties_element == EL_YAMYAM_DOWN)
11776       DrawYamYamContentAreas();
11777     else if (properties_element == EL_EMC_MAGIC_BALL)
11778     {
11779       DrawMagicBallContentAreas();
11780
11781       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
11782       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
11783     }
11784     else if (properties_element == EL_EMC_ANDROID)
11785       DrawAndroidElementArea();
11786     else if (properties_element == EL_MM_GRAY_BALL)
11787     {
11788       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
11789       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
11790       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
11791       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
11792
11793       DrawMMBallContentArea();
11794     }
11795   }
11796
11797   if (IS_PLAYER_ELEMENT(properties_element))
11798   {
11799     int player_nr = GET_PLAYER_NR(properties_element);
11800
11801     // these properties can be set for every player individually
11802
11803     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11804     {
11805       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
11806         &level.start_element[player_nr];
11807       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
11808         &level.artwork_element[player_nr];
11809       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
11810         &level.explosion_element[player_nr];
11811
11812       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
11813         &level.use_start_element[player_nr];
11814       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
11815         &level.use_artwork_element[player_nr];
11816       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
11817         &level.use_explosion_element[player_nr];
11818       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
11819         &level.initial_player_gravity[player_nr];
11820
11821       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
11822         &level.initial_player_stepsize[player_nr];
11823
11824       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
11825       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
11826                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
11827                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
11828       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
11829       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
11830       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
11831       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
11832       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
11833       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
11834       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
11835       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
11836       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
11837       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
11838       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
11839
11840       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
11841       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
11842       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
11843
11844       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11845     }
11846     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11847     {
11848       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11849         &level.initial_inventory_content[player_nr][0];
11850
11851       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
11852         &level.initial_inventory_size[player_nr];
11853
11854       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11855         &level.use_initial_inventory[player_nr];
11856
11857       // draw checkbutton gadgets
11858       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11859       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11860       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11861
11862       // draw counter gadgets
11863       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11864
11865       // draw drawing area gadgets
11866       DrawPlayerInitialInventoryArea(properties_element);
11867     }
11868   }
11869
11870   if (IS_BD_PLAYER_ELEMENT(properties_element))
11871   {
11872     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11873       ED_ELEMENT_SETTINGS_YPOS(2);
11874     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11875       ED_ELEMENT_SETTINGS_YPOS(3);
11876     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11877       ED_ELEMENT_SETTINGS_YPOS(4);
11878
11879     // draw checkbutton gadgets
11880     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11881     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
11882     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11883
11884     // draw counter gadgets
11885     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11886     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11887
11888     // draw drawing area gadgets
11889     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
11890   }
11891
11892   if (properties_element == EL_BD_SAND)
11893   {
11894     MapDrawingArea(ED_DRAWING_ID_BD_SAND_LOOKS_LIKE);
11895   }
11896
11897   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11898   {
11899     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11900       ED_ELEMENT_SETTINGS_YPOS(0);
11901     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11902       ED_ELEMENT_SETTINGS_YPOS(1);
11903
11904     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11905     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11906   }
11907
11908   if (properties_element == EL_BD_MEGA_ROCK ||
11909       properties_element == EL_BD_SWEET)
11910   {
11911     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11912       ED_ELEMENT_SETTINGS_YPOS(0);
11913     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11914       ED_ELEMENT_SETTINGS_YPOS(1);
11915
11916     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11917     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11918   }
11919
11920   if (properties_element == EL_BD_VOODOO_DOLL)
11921   {
11922     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
11923     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
11924     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
11925     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
11926   }
11927
11928   if (properties_element == EL_BD_SLIME)
11929   {
11930     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
11931
11932     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1);
11933     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1);
11934     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2);
11935     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2);
11936     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3);
11937     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3);
11938   }
11939
11940   if (IS_BD_EXPANDABLE_WALL(properties_element) ||
11941       IS_BD_EXPANDABLE_STEELWALL(properties_element))
11942   {
11943     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
11944
11945     if (IS_BD_EXPANDABLE_WALL(properties_element))
11946       MapDrawingArea(ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE);
11947   }
11948
11949   if (properties_element == EL_BD_REPLICATOR)
11950   {
11951     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
11952   }
11953
11954   if (IS_BD_CONVEYOR_BELT(properties_element) ||
11955       IS_BD_CONVEYOR_BELT_SWITCH(properties_element))
11956   {
11957     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
11958     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
11959   }
11960
11961   if (properties_element == EL_BD_WATER)
11962   {
11963     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN);
11964   }
11965
11966   if (properties_element == EL_BD_PNEUMATIC_HAMMER)
11967   {
11968     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR);
11969   }
11970
11971   if (properties_element == EL_BD_CREATURE_SWITCH)
11972   {
11973     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS);
11974     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING);
11975   }
11976
11977   if (properties_element == EL_BD_NUT)
11978   {
11979     MapDrawingArea(ED_DRAWING_ID_BD_NUT_CONTENT);
11980   }
11981
11982   // special case: slippery walls option for gems only available in R'n'D game engine
11983   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
11984     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
11985
11986   if (properties_element == EL_EM_DYNAMITE)
11987     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
11988
11989   if (COULD_MOVE_INTO_ACID(properties_element) &&
11990       !IS_PLAYER_ELEMENT(properties_element) &&
11991       (!IS_CUSTOM_ELEMENT(properties_element) ||
11992        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
11993   {
11994     // set position for checkbutton for "can move into acid"
11995     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
11996       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
11997     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
11998       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
11999                                IS_BALLOON_ELEMENT(properties_element) ||
12000                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12001
12002     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
12003   }
12004
12005   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
12006     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
12007
12008   if (properties_element == EL_SPRING ||
12009       properties_element == EL_SPRING_LEFT ||
12010       properties_element == EL_SPRING_RIGHT)
12011     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
12012
12013   if (properties_element == EL_TIME_ORB_FULL)
12014     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
12015
12016   if (properties_element == EL_GAME_OF_LIFE ||
12017       properties_element == EL_BIOMAZE)
12018     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
12019
12020   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
12021   {
12022     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
12023       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12024
12025     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
12026   }
12027
12028   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
12029     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
12030
12031   if (properties_element == EL_SOKOBAN_OBJECT)
12032     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
12033
12034   if (properties_element == EL_SOKOBAN_OBJECT ||
12035       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
12036       properties_element == EL_SOKOBAN_FIELD_FULL)
12037   {
12038     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
12039       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
12040                                0 : 1);
12041
12042     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
12043   }
12044
12045   if (IS_BALLOON_ELEMENT(properties_element))
12046     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
12047
12048   if (IS_ENVELOPE(properties_element) ||
12049       IS_MM_ENVELOPE(properties_element))
12050   {
12051     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
12052     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
12053     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
12054     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
12055     int envelope_nr = ENVELOPE_NR(properties_element);
12056
12057     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
12058     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
12059
12060     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
12061     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
12062
12063     // display counter to choose size of envelope text area
12064     MapCounterButtons(counter1_id);
12065     MapCounterButtons(counter2_id);
12066
12067     // display checkbuttons to choose auto-wrap and alignment properties
12068     MapCheckbuttonGadget(button1_id);
12069     MapCheckbuttonGadget(button2_id);
12070
12071     DrawEnvelopeTextArea(envelope_nr);
12072   }
12073
12074   if (IS_MM_MCDUFFIN(properties_element))
12075   {
12076     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
12077     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
12078     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
12079   }
12080
12081   if (IS_DF_LASER(properties_element))
12082   {
12083     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
12084     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
12085     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
12086   }
12087
12088   if (IS_CUSTOM_ELEMENT(properties_element))
12089   {
12090     // draw stickybutton gadget
12091     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12092
12093     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12094     {
12095       // draw checkbutton gadgets
12096       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
12097            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
12098         MapCheckbuttonGadget(i);
12099
12100       // draw counter gadgets
12101       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
12102            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
12103         MapCounterButtons(i);
12104
12105       // draw selectbox gadgets
12106       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
12107            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
12108         MapSelectboxGadget(i);
12109
12110       // draw textbutton gadgets
12111       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12112
12113       // draw text input gadgets
12114       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12115
12116       // draw drawing area gadgets
12117       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12118
12119       draw_footer_line = TRUE;
12120     }
12121     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12122     {
12123       // draw checkbutton gadgets
12124       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
12125            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
12126         MapCheckbuttonGadget(i);
12127
12128       // draw counter gadgets
12129       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
12130            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
12131         MapCounterButtons(i);
12132
12133       // draw selectbox gadgets
12134       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
12135            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
12136         MapSelectboxGadget(i);
12137
12138       // draw drawing area gadgets
12139       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
12140       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
12141       DrawCustomContentArea();
12142     }
12143   }
12144   else if (IS_GROUP_ELEMENT(properties_element))
12145   {
12146     // draw stickybutton gadget
12147     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12148
12149     // draw checkbutton gadgets
12150     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12151     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12152
12153     // draw counter gadgets
12154     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
12155
12156     // draw selectbox gadgets
12157     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
12158
12159     // draw textbutton gadgets
12160     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12161
12162     // draw drawing area gadgets
12163     DrawGroupElementArea();
12164
12165     // draw text input gadgets
12166     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12167
12168     // draw drawing area gadgets
12169     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12170
12171     draw_footer_line = TRUE;
12172   }
12173   else if (IS_EMPTY_ELEMENT(properties_element))
12174   {
12175     // draw stickybutton gadget
12176     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12177
12178     // draw checkbutton gadgets
12179     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12180     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12181
12182     // draw textbutton gadgets
12183     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12184
12185     // draw drawing area gadgets
12186     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12187
12188     draw_footer_line = TRUE;
12189   }
12190
12191   // draw little footer border line above CE/GE use/save template gadgets
12192   if (draw_footer_line)
12193   {
12194     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
12195     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
12196     int gd_x = gd->x + gd_gi1->border.width / 2;
12197     int gd_y = gd->y + gd_gi1->height - 1;
12198     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
12199
12200     if (tab_color != BLACK_PIXEL)               // black => transparent
12201       FillRectangle(drawto,
12202                     SX + ED_ELEMENT_SETTINGS_X(0),
12203                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
12204                     ED_TAB_BAR_HEIGHT,
12205                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
12206   }
12207 }
12208
12209 static void DrawPropertiesChangeDrawingAreas(void)
12210 {
12211   if (IS_CUSTOM_ELEMENT(properties_element))
12212   {
12213     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
12214     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
12215     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
12216
12217     DrawCustomChangeContentArea();
12218   }
12219
12220   redraw_mask |= REDRAW_FIELD;
12221 }
12222
12223 static void DrawPropertiesChange(void)
12224 {
12225   int i;
12226
12227   // needed to initially set selectbox options for special action options
12228   setSelectboxSpecialActionOptions();
12229
12230   // draw stickybutton gadget
12231   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12232
12233   // draw checkbutton gadgets
12234   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
12235        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
12236     MapCheckbuttonGadget(i);
12237
12238   // draw counter gadgets
12239   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
12240        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
12241     MapCounterButtons(i);
12242
12243   // draw selectbox gadgets
12244   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
12245        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
12246     MapSelectboxGadget(i);
12247
12248   // draw textbutton gadgets
12249   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
12250        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
12251     MapTextbuttonGadget(i);
12252
12253   // draw graphicbutton gadgets
12254   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
12255        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
12256     MapGraphicbuttonGadget(i);
12257
12258   // draw drawing area gadgets
12259   DrawPropertiesChangeDrawingAreas();
12260 }
12261
12262 static void DrawEditorElementAnimation(int x, int y)
12263 {
12264   int graphic;
12265   int frame;
12266
12267   getEditorGraphicAndFrame(properties_element, &graphic, &frame, FALSE);
12268
12269   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
12270 }
12271
12272 static void DrawEditorElementName(int x, int y, int font_nr)
12273 {
12274   char *element_name = getElementInfoText(properties_element);
12275   int font_width = getFontWidth(font_nr);
12276   int font_height = getFontHeight(font_nr);
12277   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
12278   int max_chars_per_line = max_text_width / font_width;
12279
12280   if (strlen(element_name) <= max_chars_per_line)
12281     DrawTextS(x, y, font_nr, element_name);
12282   else
12283   {
12284     char buffer[max_chars_per_line + 1];
12285     int next_pos = max_chars_per_line;
12286
12287     strncpy(buffer, element_name, max_chars_per_line);
12288     buffer[max_chars_per_line] = '\0';
12289
12290     if (element_name[max_chars_per_line] == ' ')
12291       next_pos++;
12292     else
12293     {
12294       int i;
12295
12296       for (i = max_chars_per_line - 1; i >= 0; i--)
12297         if (buffer[i] == ' ')
12298           break;
12299
12300       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
12301       {
12302         buffer[i] = '\0';
12303         next_pos = i + 1;
12304       }
12305     }
12306
12307     DrawTextS(x, y - font_height / 2, font_nr, buffer);
12308
12309     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
12310     buffer[max_chars_per_line] = '\0';
12311
12312     DrawTextS(x, y + font_height / 2, font_nr, buffer);
12313   }
12314 }
12315
12316 static void DrawPropertiesWindow(void)
12317 {
12318   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
12319   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12320   int border_size = gd->border_size;
12321   int font_nr = FONT_TEXT_1;
12322   int font_height = getFontHeight(font_nr);
12323   int xoffset = TILEX + element_border + 3 * border_size;
12324   int yoffset = (TILEY - font_height) / 2;
12325   int x1 = editor.settings.element_graphic.x + element_border;
12326   int y1 = editor.settings.element_graphic.y + element_border;
12327   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
12328             editor.settings.element_name.x);
12329   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
12330             editor.settings.element_name.y);
12331   char *text = "Element Settings";
12332   int font2_nr = FONT_TITLE_1;
12333   struct MenuPosInfo *pos = &editor.settings.headline;
12334   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
12335   int sy = SY + pos->y;
12336
12337   stick_element_properties_window = FALSE;
12338
12339   // make sure that previous properties edit mode exists for this element
12340   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
12341       !IS_CUSTOM_ELEMENT(properties_element))
12342     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
12343
12344   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
12345       !IS_PLAYER_ELEMENT(properties_element) &&
12346       !IS_CUSTOM_ELEMENT(properties_element))
12347     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
12348
12349   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
12350       (IS_PLAYER_ELEMENT(properties_element) ||
12351        IS_CUSTOM_ELEMENT(properties_element)))
12352     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
12353
12354   CopyElementPropertiesToEditor(properties_element);
12355
12356   UnmapLevelEditorFieldGadgets();
12357   UnmapLevelEditorToolboxDrawingGadgets();
12358   UnmapLevelEditorToolboxCustomGadgets();
12359
12360   MapLevelEditorToolboxCustomGadgetsIfNeeded();
12361
12362   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12363   ClearField();
12364
12365   DrawText(sx, sy, text, font2_nr);
12366
12367   FrameCounter = 0;     // restart animation frame counter
12368
12369   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
12370   DrawEditorElementAnimation(SX + x1, SY + y1);
12371   DrawEditorElementName(x2, y2, font_nr);
12372
12373   DrawPropertiesTabulatorGadgets();
12374
12375   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
12376     DrawPropertiesInfo();
12377   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
12378     DrawPropertiesChange();
12379   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
12380     DrawPropertiesConfig();
12381 }
12382
12383 static void DrawPaletteWindow(void)
12384 {
12385   int i;
12386
12387   UnmapLevelEditorFieldGadgets();
12388
12389   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12390   ClearField();
12391
12392   // map buttons to select elements
12393   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
12394     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
12395   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
12396   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
12397   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
12398 }
12399
12400 static void UpdateCustomElementGraphicGadgets(void)
12401 {
12402   int i;
12403
12404   InitElementPropertiesGfxElement();
12405
12406   ModifyEditorElementList();
12407   RedrawDrawingElements();
12408
12409   // force redraw of all mapped drawing area gadgets
12410   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
12411   {
12412     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
12413
12414     if (gi->mapped)
12415       MapDrawingArea(i);
12416   }
12417 }
12418
12419 static int getOpenDirectionFromTube(int element)
12420 {
12421   switch (element)
12422   {
12423     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
12424     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
12425     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
12426     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
12427     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
12428     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
12429     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
12430     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
12431     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
12432     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
12433     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
12434   }
12435
12436   return MV_NONE;
12437 }
12438
12439 static int getTubeFromOpenDirection(int direction)
12440 {
12441   switch (direction)
12442   {
12443     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
12444     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
12445     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
12446     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
12447     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
12448     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
12449     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
12450     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
12451     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
12452     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
12453     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
12454
12455     // if only one direction, fall back to simple tube with that direction
12456     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
12457     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
12458     case (MV_UP):                       return EL_TUBE_VERTICAL;
12459     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
12460   }
12461
12462   return EL_EMPTY;
12463 }
12464
12465 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
12466 {
12467   int element_new = getTubeFromOpenDirection(direction);
12468
12469   return (element_new != EL_EMPTY ? element_new : element_old);
12470 }
12471
12472 static int getOpenDirectionFromBelt(int element)
12473 {
12474   int belt_dir = getBeltDirFromBeltElement(element);
12475
12476   return (belt_dir == MV_LEFT ? MV_RIGHT :
12477           belt_dir == MV_RIGHT ? MV_LEFT :
12478           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
12479 }
12480
12481 static int getBeltFromNrAndOpenDirection(int nr, int direction)
12482 {
12483   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
12484                   direction == MV_RIGHT ? MV_LEFT :
12485                   direction == MV_HORIZONTAL ? MV_NONE : direction);
12486
12487   if (direction == MV_NONE)
12488     return EL_EMPTY;
12489
12490   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
12491 }
12492
12493 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
12494                                                  int element_old)
12495 {
12496   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
12497
12498   return (element_new != EL_EMPTY ? element_new : element_old);
12499 }
12500
12501 static int getOpenDirectionFromPool(int element)
12502 {
12503   switch (element)
12504   {
12505     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
12506     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
12507     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
12508     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
12509     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
12510     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
12511   }
12512
12513   return MV_NONE;
12514 }
12515
12516 static int getPoolFromOpenDirection(int direction)
12517 {
12518   switch (direction)
12519   {
12520     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
12521     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
12522     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
12523     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
12524     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
12525     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
12526   }
12527
12528   return EL_EMPTY;
12529 }
12530
12531 static int getPoolFromOpenDirectionExt(int direction, int help_element)
12532 {
12533   int element = getPoolFromOpenDirection(direction);
12534   int help_direction = getOpenDirectionFromPool(help_element);
12535
12536   if (element == EL_EMPTY)
12537   {
12538     int help_direction_vertical = help_direction & MV_VERTICAL;
12539
12540     element = getPoolFromOpenDirection(direction | help_direction_vertical);
12541   }
12542
12543   if (element == EL_EMPTY)
12544   {
12545     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
12546
12547     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
12548   }
12549
12550   return element;
12551 }
12552
12553 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
12554 {
12555   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
12556
12557   return (element_new != EL_EMPTY ? element_new : element_old);
12558 }
12559
12560 static int getOpenDirectionFromPillar(int element)
12561 {
12562   switch (element)
12563   {
12564     case EL_EMC_WALL_1:                 return (MV_DOWN);
12565     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
12566     case EL_EMC_WALL_3:                 return (MV_UP);
12567   }
12568
12569   return MV_NONE;
12570 }
12571
12572 static int getPillarFromOpenDirection(int direction)
12573 {
12574   switch (direction)
12575   {
12576     case (MV_DOWN):                     return EL_EMC_WALL_1;
12577     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
12578     case (MV_UP):                       return EL_EMC_WALL_3;
12579   }
12580
12581   return EL_EMPTY;
12582 }
12583
12584 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
12585 {
12586   int element_new = getPillarFromOpenDirection(direction);
12587
12588   return (element_new != EL_EMPTY ? element_new : element_old);
12589 }
12590
12591 static int getOpenDirectionFromSteel2(int element)
12592 {
12593   switch (element)
12594   {
12595     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
12596     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
12597     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
12598     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
12599     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
12600     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
12601     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
12602     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
12603   }
12604
12605   return MV_NONE;
12606 }
12607
12608 static int getSteel2FromOpenDirection(int direction)
12609 {
12610   switch (direction)
12611   {
12612     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
12613     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
12614     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
12615     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
12616     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
12617     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
12618     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
12619     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
12620   }
12621
12622   return EL_EMPTY;
12623 }
12624
12625 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
12626 {
12627   int element_new = getSteel2FromOpenDirection(direction);
12628
12629   return (element_new != EL_EMPTY ? element_new : element_old);
12630 }
12631
12632 static int getOpenDirectionFromChip(int element)
12633 {
12634   switch (element)
12635   {
12636     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
12637     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
12638     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
12639     case EL_SP_CHIP_TOP:                return (MV_DOWN);
12640     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
12641   }
12642
12643   return MV_NONE;
12644 }
12645
12646 static int getChipFromOpenDirection(int direction)
12647 {
12648   switch (direction)
12649   {
12650     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
12651     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
12652     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
12653     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
12654     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
12655   }
12656
12657   return EL_EMPTY;
12658 }
12659
12660 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
12661 {
12662   int element_new = getChipFromOpenDirection(direction);
12663
12664   return (element_new != EL_EMPTY ? element_new : element_old);
12665 }
12666
12667 static int getClosedTube(int x, int y)
12668 {
12669   struct XY *xy = xy_directions;
12670   int element_old = IntelliDrawBuffer[x][y];
12671   int direction_old = getOpenDirectionFromTube(element_old);
12672   int direction_new = MV_NONE;
12673   int i;
12674
12675   for (i = 0; i < NUM_DIRECTIONS; i++)
12676   {
12677     int xx = x + xy[i].x;
12678     int yy = y + xy[i].y;
12679     int dir = MV_DIR_FROM_BIT(i);
12680     int dir_opposite = MV_DIR_OPPOSITE(dir);
12681
12682     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
12683         (direction_old & dir) &&
12684         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12685       direction_new |= dir;
12686   }
12687
12688   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
12689 }
12690
12691 static int getClosedBelt(int x, int y)
12692 {
12693   struct XY *xy = xy_directions;
12694   int element_old = IntelliDrawBuffer[x][y];
12695   int nr = getBeltNrFromBeltElement(element_old);
12696   int direction_old = getOpenDirectionFromBelt(element_old);
12697   int direction_new = MV_NONE;
12698   int i;
12699
12700   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12701   {
12702     int xx = x + xy[i].x;
12703     int yy = y + xy[i].y;
12704     int dir = MV_DIR_FROM_BIT(i);
12705     int dir_opposite = MV_DIR_OPPOSITE(dir);
12706
12707     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
12708         (direction_old & dir) &&
12709         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12710       direction_new |= dir;
12711   }
12712
12713   return getBeltFromNrAndOpenDirection(nr, direction_new);
12714 }
12715
12716 static int getClosedPool(int x, int y)
12717 {
12718   struct XY *xy = xy_directions;
12719   int element_old = IntelliDrawBuffer[x][y];
12720   int direction_old = getOpenDirectionFromPool(element_old);
12721   int direction_new = MV_NONE;
12722   int i;
12723
12724   for (i = 0; i < NUM_DIRECTIONS; i++)
12725   {
12726     int xx = x + xy[i].x;
12727     int yy = y + xy[i].y;
12728     int dir = MV_DIR_FROM_BIT(i);
12729     int dir_opposite = MV_DIR_OPPOSITE(dir);
12730
12731     if (IN_LEV_FIELD(xx, yy) &&
12732         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
12733         (direction_old & dir) &&
12734         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12735       direction_new |= dir;
12736   }
12737
12738   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
12739 }
12740
12741 static int getClosedPillar(int x, int y)
12742 {
12743   struct XY *xy = xy_directions;
12744   int element_old = IntelliDrawBuffer[x][y];
12745   int direction_old = getOpenDirectionFromPillar(element_old);
12746   int direction_new = MV_NONE;
12747   int i;
12748
12749   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12750   {
12751     int xx = x + xy[i].x;
12752     int yy = y + xy[i].y;
12753     int dir = MV_DIR_FROM_BIT(i);
12754     int dir_opposite = MV_DIR_OPPOSITE(dir);
12755
12756     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
12757         (direction_old & dir) &&
12758         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12759       direction_new |= dir;
12760   }
12761
12762   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
12763 }
12764
12765 static int getClosedSteel2(int x, int y)
12766 {
12767   struct XY *xy = xy_directions;
12768   int element_old = IntelliDrawBuffer[x][y];
12769   int direction_old = getOpenDirectionFromSteel2(element_old);
12770   int direction_new = MV_NONE;
12771   int i;
12772
12773   for (i = 0; i < NUM_DIRECTIONS; i++)
12774   {
12775     int xx = x + xy[i].x;
12776     int yy = y + xy[i].y;
12777     int dir = MV_DIR_FROM_BIT(i);
12778     int dir_opposite = MV_DIR_OPPOSITE(dir);
12779
12780     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
12781         (direction_old & dir) &&
12782         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12783       direction_new |= dir;
12784   }
12785
12786   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
12787 }
12788
12789 static int getClosedChip(int x, int y)
12790 {
12791   struct XY *xy = xy_directions;
12792   int element_old = IntelliDrawBuffer[x][y];
12793   int direction_old = getOpenDirectionFromChip(element_old);
12794   int direction_new = MV_NONE;
12795   int i;
12796
12797   for (i = 0; i < NUM_DIRECTIONS; i++)
12798   {
12799     int xx = x + xy[i].x;
12800     int yy = y + xy[i].y;
12801     int dir = MV_DIR_FROM_BIT(i);
12802     int dir_opposite = MV_DIR_OPPOSITE(dir);
12803
12804     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
12805         (direction_old & dir) &&
12806         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12807       direction_new |= dir;
12808   }
12809
12810   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
12811 }
12812
12813 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
12814                                 boolean change_level)
12815 {
12816   int sx = x - level_xpos;
12817   int sy = y - level_ypos;
12818   int old_element = Tile[x][y];
12819   int new_element = element;
12820   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
12821   boolean draw_masked = FALSE;
12822
12823   if (IS_MM_WALL_EDITOR(element))
12824   {
12825     element = map_mm_wall_element_editor(element) | new_bitmask;
12826
12827     if (IS_MM_WALL(old_element))
12828       element |= MM_WALL_BITS(old_element);
12829
12830     if (!change_level)
12831       draw_masked = TRUE;
12832   }
12833   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
12834   {
12835     int element_changed = old_element & ~new_bitmask;
12836
12837     if (MM_WALL_BITS(element_changed) != 0)
12838       element = element_changed;
12839   }
12840
12841   IntelliDrawBuffer[x][y] = element;
12842
12843   if (change_level)
12844     Tile[x][y] = element;
12845
12846   if (IN_ED_FIELD(sx, sy))
12847   {
12848     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
12849       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
12850     else if (draw_masked)
12851       DrawEditorElementThruMask(sx, sy, element);
12852     else
12853       DrawEditorElement(sx, sy, element);
12854   }
12855 }
12856
12857 static void SetElementSimple(int x, int y, int element, boolean change_level)
12858 {
12859   SetElementSimpleExt(x, y, 0, 0, element, change_level);
12860 }
12861
12862 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
12863                                            int x2, int y2, int *element2,
12864                                            int (*close_function)(int, int),
12865                                            boolean change_level)
12866 {
12867   // set neighbour elements to newly determined connections
12868   SetElementSimple(x1, y1, *element1, change_level);
12869   SetElementSimple(x2, y2, *element2, change_level);
12870
12871   // remove all open connections of neighbour elements
12872   *element1 = close_function(x1, y1);
12873   *element2 = close_function(x2, y2);
12874
12875   // set neighbour elements to new, minimized connections
12876   SetElementSimple(x1, y1, *element1, change_level);
12877   SetElementSimple(x2, y2, *element2, change_level);
12878 }
12879
12880 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
12881                                   boolean change_level, int button)
12882 {
12883   struct XY *xy = xy_directions;
12884   static int last_x = -1;
12885   static int last_y = -1;
12886
12887   if (new_element == EL_UNDEFINED)
12888   {
12889     last_x = -1;
12890     last_y = -1;
12891
12892     return;
12893   }
12894
12895   int old_element = IntelliDrawBuffer[x][y];
12896
12897   if (IS_TUBE(new_element))
12898   {
12899     int last_element_new = EL_UNDEFINED;
12900     int direction = MV_NONE;
12901     int i;
12902
12903     // if old element is of same kind, keep all existing directions
12904     if (IS_TUBE(old_element))
12905       direction |= getOpenDirectionFromTube(old_element);
12906
12907     for (i = 0; i < NUM_DIRECTIONS; i++)
12908     {
12909       int xx = x + xy[i].x;
12910       int yy = y + xy[i].y;
12911
12912       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12913           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
12914       {
12915         int dir = MV_DIR_FROM_BIT(i);
12916         int dir_opposite = MV_DIR_OPPOSITE(dir);
12917         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12918         int last_direction_old = getOpenDirectionFromTube(last_element_old);
12919         int last_direction_new = last_direction_old | dir_opposite;
12920
12921         last_element_new = getTubeFromOpenDirection(last_direction_new);
12922
12923         direction |= dir;
12924       }
12925     }
12926
12927     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
12928
12929     if (last_element_new != EL_UNDEFINED)
12930       MergeAndCloseNeighbourElements(x, y, &new_element,
12931                                      last_x, last_y, &last_element_new,
12932                                      getClosedTube, change_level);
12933   }
12934   else if (IS_BELT(new_element))
12935   {
12936     int belt_nr = getBeltNrFromBeltElement(new_element);
12937     int last_element_new = EL_UNDEFINED;
12938     int direction = MV_NONE;
12939     int i;
12940
12941     // if old element is of same kind, keep all existing directions
12942     if (IS_BELT(old_element))
12943       direction |= getOpenDirectionFromBelt(old_element);
12944
12945     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12946     {
12947       int xx = x + xy[i].x;
12948       int yy = y + xy[i].y;
12949
12950       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12951           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
12952       {
12953         int dir = MV_DIR_FROM_BIT(i);
12954         int dir_opposite = MV_DIR_OPPOSITE(dir);
12955         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12956         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
12957         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
12958         int last_direction_new = last_direction_old | dir_opposite;
12959
12960         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
12961                                                          last_direction_new);
12962         direction |= dir;
12963       }
12964     }
12965
12966     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
12967                                                         new_element);
12968     if (last_element_new != EL_UNDEFINED)
12969       MergeAndCloseNeighbourElements(x, y, &new_element,
12970                                      last_x, last_y, &last_element_new,
12971                                      getClosedBelt, change_level);
12972   }
12973   else if (IS_ACID_POOL_OR_ACID(new_element))
12974   {
12975     int last_element_new = EL_UNDEFINED;
12976     int direction = MV_NONE;
12977     int i;
12978
12979     // if old element is of same kind, keep all existing directions
12980     if (IS_ACID_POOL_OR_ACID(old_element))
12981       direction |= getOpenDirectionFromPool(old_element);
12982
12983     for (i = 0; i < NUM_DIRECTIONS; i++)
12984     {
12985       int xx = x + xy[i].x;
12986       int yy = y + xy[i].y;
12987
12988       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12989           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
12990       {
12991         int dir = MV_DIR_FROM_BIT(i);
12992         int dir_opposite = MV_DIR_OPPOSITE(dir);
12993         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12994         int last_direction_old = getOpenDirectionFromPool(last_element_old);
12995         int last_direction_new = last_direction_old | dir_opposite;
12996
12997         last_element_new = getPoolFromOpenDirection(last_direction_new);
12998
12999         direction |= dir;
13000       }
13001     }
13002
13003     // special corrections needed for intuitively correct acid pool drawing
13004     if (last_element_new == EL_EMPTY)
13005       last_element_new = new_element;
13006     else if (last_element_new != EL_UNDEFINED)
13007       new_element = last_element_new;
13008
13009     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
13010
13011     if (last_element_new != EL_UNDEFINED)
13012       MergeAndCloseNeighbourElements(x, y, &new_element,
13013                                      last_x, last_y, &last_element_new,
13014                                      getClosedPool, change_level);
13015   }
13016   else if (IS_EMC_PILLAR(new_element))
13017   {
13018     int last_element_new = EL_UNDEFINED;
13019     int direction = MV_NONE;
13020     int i;
13021
13022     // if old element is of same kind, keep all existing directions
13023     if (IS_EMC_PILLAR(old_element))
13024       direction |= getOpenDirectionFromPillar(old_element);
13025
13026     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13027     {
13028       int xx = x + xy[i].x;
13029       int yy = y + xy[i].y;
13030
13031       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13032           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
13033       {
13034         int dir = MV_DIR_FROM_BIT(i);
13035         int dir_opposite = MV_DIR_OPPOSITE(dir);
13036         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13037         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
13038         int last_direction_new = last_direction_old | dir_opposite;
13039
13040         last_element_new = getPillarFromOpenDirection(last_direction_new);
13041
13042         direction |= dir;
13043       }
13044     }
13045
13046     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
13047
13048     if (last_element_new != EL_UNDEFINED)
13049       MergeAndCloseNeighbourElements(x, y, &new_element,
13050                                      last_x, last_y, &last_element_new,
13051                                      getClosedPillar, change_level);
13052   }
13053   else if (IS_DC_STEELWALL_2(new_element))
13054   {
13055     int last_element_new = EL_UNDEFINED;
13056     int direction = MV_NONE;
13057     int i;
13058
13059     // if old element is of same kind, keep all existing directions
13060     if (IS_DC_STEELWALL_2(old_element))
13061       direction |= getOpenDirectionFromSteel2(old_element);
13062
13063     for (i = 0; i < NUM_DIRECTIONS; i++)
13064     {
13065       int xx = x + xy[i].x;
13066       int yy = y + xy[i].y;
13067
13068       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13069           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
13070       {
13071         int dir = MV_DIR_FROM_BIT(i);
13072         int dir_opposite = MV_DIR_OPPOSITE(dir);
13073         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13074         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
13075         int last_direction_new = last_direction_old | dir_opposite;
13076
13077         last_element_new = getSteel2FromOpenDirection(last_direction_new);
13078
13079         direction |= dir;
13080       }
13081     }
13082
13083     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
13084
13085     if (last_element_new != EL_UNDEFINED)
13086       MergeAndCloseNeighbourElements(x, y, &new_element,
13087                                      last_x, last_y, &last_element_new,
13088                                      getClosedSteel2, change_level);
13089   }
13090   else if (IS_SP_CHIP(new_element))
13091   {
13092     int last_element_new = EL_UNDEFINED;
13093     int direction = MV_NONE;
13094     int i;
13095
13096     // (do not keep existing directions, regardless of kind of old element)
13097
13098     for (i = 0; i < NUM_DIRECTIONS; i++)
13099     {
13100       int xx = x + xy[i].x;
13101       int yy = y + xy[i].y;
13102
13103       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13104           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
13105       {
13106         int dir = MV_DIR_FROM_BIT(i);
13107         int dir_opposite = MV_DIR_OPPOSITE(dir);
13108         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13109         int last_direction_old = getOpenDirectionFromChip(last_element_old);
13110         int last_direction_new = last_direction_old | dir_opposite;
13111
13112         if (last_direction_old == MV_NONE)
13113         {
13114           last_element_new = getChipFromOpenDirection(last_direction_new);
13115           direction |= dir;
13116         }
13117         else if (last_direction_old & (dir | dir_opposite))
13118         {
13119           direction |= MV_DIR_OPPOSITE(last_direction_old);
13120         }
13121         else
13122         {
13123           direction |= MV_DIR_OPPOSITE(dir);
13124         }
13125       }
13126     }
13127
13128     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
13129
13130     if (last_element_new != EL_UNDEFINED)
13131       MergeAndCloseNeighbourElements(x, y, &new_element,
13132                                      last_x, last_y, &last_element_new,
13133                                      getClosedChip, change_level);
13134   }
13135   else if (IS_SP_HARDWARE_BASE(new_element))
13136   {
13137     int nr = GetSimpleRandom(6);
13138
13139     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
13140                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
13141                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
13142                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
13143                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
13144   }
13145   else if (new_element == EL_SP_HARDWARE_GREEN ||
13146            new_element == EL_SP_HARDWARE_BLUE ||
13147            new_element == EL_SP_HARDWARE_RED)
13148   {
13149     int nr = GetSimpleRandom(3);
13150
13151     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
13152                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
13153   }
13154   else if (IS_GROUP_ELEMENT(new_element))
13155   {
13156     boolean connected_drawing = FALSE;
13157     int i;
13158
13159     for (i = 0; i < NUM_DIRECTIONS; i++)
13160     {
13161       int xx = x + xy[i].x;
13162       int yy = y + xy[i].y;
13163
13164       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13165           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
13166         connected_drawing = TRUE;
13167     }
13168
13169     if (!connected_drawing)
13170       ResolveGroupElement(new_element);
13171
13172     new_element = GetElementFromGroupElement(new_element);
13173   }
13174   else if (IS_BELT_SWITCH(old_element))
13175   {
13176     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
13177     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
13178
13179     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
13180                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
13181
13182     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
13183   }
13184   else
13185   {
13186     static int swappable_elements[][2] =
13187     {
13188       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
13189       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
13190       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
13191       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
13192       { EL_EMERALD,                     EL_WALL_EMERALD                 },
13193       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
13194       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
13195       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
13196       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
13197       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
13198       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
13199       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
13200       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
13201       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
13202       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
13203       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
13204       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
13205       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
13206       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
13207       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
13208       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
13209       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
13210       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
13211       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
13212       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
13213       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
13214       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
13215       { EL_PEARL,                       EL_WALL_PEARL                   },
13216       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
13217       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
13218       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
13219       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
13220       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
13221       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
13222       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
13223       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
13224       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
13225       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
13226       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
13227       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
13228       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
13229       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
13230       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
13231       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
13232
13233       { -1,                             -1                              },
13234     };
13235     static int rotatable_elements_4[][4] =
13236     {
13237       {
13238         EL_BUG_UP,
13239         EL_BUG_RIGHT,
13240         EL_BUG_DOWN,
13241         EL_BUG_LEFT
13242       },
13243       {
13244         EL_SPACESHIP_UP,
13245         EL_SPACESHIP_RIGHT,
13246         EL_SPACESHIP_DOWN,
13247         EL_SPACESHIP_LEFT
13248       },
13249       {
13250         EL_BD_BUTTERFLY_UP,
13251         EL_BD_BUTTERFLY_RIGHT,
13252         EL_BD_BUTTERFLY_DOWN,
13253         EL_BD_BUTTERFLY_LEFT
13254       },
13255       {
13256         EL_BD_FIREFLY_UP,
13257         EL_BD_FIREFLY_RIGHT,
13258         EL_BD_FIREFLY_DOWN,
13259         EL_BD_FIREFLY_LEFT
13260       },
13261       {
13262         EL_PACMAN_UP,
13263         EL_PACMAN_RIGHT,
13264         EL_PACMAN_DOWN,
13265         EL_PACMAN_LEFT
13266       },
13267       {
13268         EL_YAMYAM_UP,
13269         EL_YAMYAM_RIGHT,
13270         EL_YAMYAM_DOWN,
13271         EL_YAMYAM_LEFT
13272       },
13273       {
13274         EL_ARROW_UP,
13275         EL_ARROW_RIGHT,
13276         EL_ARROW_DOWN,
13277         EL_ARROW_LEFT
13278       },
13279       {
13280         EL_SP_PORT_UP,
13281         EL_SP_PORT_RIGHT,
13282         EL_SP_PORT_DOWN,
13283         EL_SP_PORT_LEFT
13284       },
13285       {
13286         EL_SP_GRAVITY_PORT_UP,
13287         EL_SP_GRAVITY_PORT_RIGHT,
13288         EL_SP_GRAVITY_PORT_DOWN,
13289         EL_SP_GRAVITY_PORT_LEFT
13290       },
13291       {
13292         EL_SP_GRAVITY_ON_PORT_UP,
13293         EL_SP_GRAVITY_ON_PORT_RIGHT,
13294         EL_SP_GRAVITY_ON_PORT_DOWN,
13295         EL_SP_GRAVITY_ON_PORT_LEFT
13296       },
13297       {
13298         EL_SP_GRAVITY_OFF_PORT_UP,
13299         EL_SP_GRAVITY_OFF_PORT_RIGHT,
13300         EL_SP_GRAVITY_OFF_PORT_DOWN,
13301         EL_SP_GRAVITY_OFF_PORT_LEFT
13302       },
13303       {
13304         EL_MOLE_UP,
13305         EL_MOLE_RIGHT,
13306         EL_MOLE_DOWN,
13307         EL_MOLE_LEFT
13308       },
13309       {
13310         EL_BALLOON_SWITCH_UP,
13311         EL_BALLOON_SWITCH_RIGHT,
13312         EL_BALLOON_SWITCH_DOWN,
13313         EL_BALLOON_SWITCH_LEFT
13314       },
13315       {
13316         EL_MM_MCDUFFIN_UP,
13317         EL_MM_MCDUFFIN_RIGHT,
13318         EL_MM_MCDUFFIN_DOWN,
13319         EL_MM_MCDUFFIN_LEFT
13320       },
13321       {
13322         EL_MM_MIRROR_FIXED_1,
13323         EL_MM_MIRROR_FIXED_4,
13324         EL_MM_MIRROR_FIXED_3,
13325         EL_MM_MIRROR_FIXED_2
13326       },
13327       {
13328         EL_MM_STEEL_GRID_FIXED_1,
13329         EL_MM_STEEL_GRID_FIXED_4,
13330         EL_MM_STEEL_GRID_FIXED_2,
13331         EL_MM_STEEL_GRID_FIXED_3
13332       },
13333       {
13334         EL_MM_WOODEN_GRID_FIXED_1,
13335         EL_MM_WOODEN_GRID_FIXED_4,
13336         EL_MM_WOODEN_GRID_FIXED_2,
13337         EL_MM_WOODEN_GRID_FIXED_3
13338       },
13339       {
13340         EL_MM_POLARIZER_CROSS_1,
13341         EL_MM_POLARIZER_CROSS_4,
13342         EL_MM_POLARIZER_CROSS_3,
13343         EL_MM_POLARIZER_CROSS_2
13344       },
13345       {
13346         EL_MM_PACMAN_UP,
13347         EL_MM_PACMAN_RIGHT,
13348         EL_MM_PACMAN_DOWN,
13349         EL_MM_PACMAN_LEFT
13350       },
13351       {
13352         EL_DF_LASER_UP,
13353         EL_DF_LASER_RIGHT,
13354         EL_DF_LASER_DOWN,
13355         EL_DF_LASER_LEFT
13356       },
13357       {
13358         EL_DF_RECEIVER_UP,
13359         EL_DF_RECEIVER_RIGHT,
13360         EL_DF_RECEIVER_DOWN,
13361         EL_DF_RECEIVER_LEFT
13362       },
13363       {
13364         EL_DF_SLOPE_1,
13365         EL_DF_SLOPE_4,
13366         EL_DF_SLOPE_3,
13367         EL_DF_SLOPE_2
13368       },
13369
13370       {
13371         -1,
13372       },
13373     };
13374     static int rotatable_elements_8[][8] =
13375     {
13376       {
13377         EL_DF_STEEL_GRID_FIXED_1,
13378         EL_DF_STEEL_GRID_FIXED_8,
13379         EL_DF_STEEL_GRID_FIXED_7,
13380         EL_DF_STEEL_GRID_FIXED_6,
13381         EL_DF_STEEL_GRID_FIXED_5,
13382         EL_DF_STEEL_GRID_FIXED_4,
13383         EL_DF_STEEL_GRID_FIXED_3,
13384         EL_DF_STEEL_GRID_FIXED_2
13385       },
13386       {
13387         EL_DF_WOODEN_GRID_FIXED_1,
13388         EL_DF_WOODEN_GRID_FIXED_8,
13389         EL_DF_WOODEN_GRID_FIXED_7,
13390         EL_DF_WOODEN_GRID_FIXED_6,
13391         EL_DF_WOODEN_GRID_FIXED_5,
13392         EL_DF_WOODEN_GRID_FIXED_4,
13393         EL_DF_WOODEN_GRID_FIXED_3,
13394         EL_DF_WOODEN_GRID_FIXED_2
13395       },
13396       {
13397         EL_DF_STEEL_GRID_ROTATING_1,
13398         EL_DF_STEEL_GRID_ROTATING_8,
13399         EL_DF_STEEL_GRID_ROTATING_7,
13400         EL_DF_STEEL_GRID_ROTATING_6,
13401         EL_DF_STEEL_GRID_ROTATING_5,
13402         EL_DF_STEEL_GRID_ROTATING_4,
13403         EL_DF_STEEL_GRID_ROTATING_3,
13404         EL_DF_STEEL_GRID_ROTATING_2
13405       },
13406       {
13407         EL_DF_WOODEN_GRID_ROTATING_1,
13408         EL_DF_WOODEN_GRID_ROTATING_8,
13409         EL_DF_WOODEN_GRID_ROTATING_7,
13410         EL_DF_WOODEN_GRID_ROTATING_6,
13411         EL_DF_WOODEN_GRID_ROTATING_5,
13412         EL_DF_WOODEN_GRID_ROTATING_4,
13413         EL_DF_WOODEN_GRID_ROTATING_3,
13414         EL_DF_WOODEN_GRID_ROTATING_2
13415       },
13416
13417       {
13418         -1,
13419       },
13420     };
13421     static int rotatable_elements_16[][16] =
13422     {
13423       {
13424         EL_MM_MIRROR_1,
13425         EL_MM_MIRROR_16,
13426         EL_MM_MIRROR_15,
13427         EL_MM_MIRROR_14,
13428         EL_MM_MIRROR_13,
13429         EL_MM_MIRROR_12,
13430         EL_MM_MIRROR_11,
13431         EL_MM_MIRROR_10,
13432         EL_MM_MIRROR_9,
13433         EL_MM_MIRROR_8,
13434         EL_MM_MIRROR_7,
13435         EL_MM_MIRROR_6,
13436         EL_MM_MIRROR_5,
13437         EL_MM_MIRROR_4,
13438         EL_MM_MIRROR_3,
13439         EL_MM_MIRROR_2
13440       },
13441       {
13442         EL_MM_TELEPORTER_5,
13443         EL_MM_TELEPORTER_4,
13444         EL_MM_TELEPORTER_3,
13445         EL_MM_TELEPORTER_2,
13446         EL_MM_TELEPORTER_1,
13447         EL_MM_TELEPORTER_16,
13448         EL_MM_TELEPORTER_15,
13449         EL_MM_TELEPORTER_14,
13450         EL_MM_TELEPORTER_13,
13451         EL_MM_TELEPORTER_12,
13452         EL_MM_TELEPORTER_11,
13453         EL_MM_TELEPORTER_10,
13454         EL_MM_TELEPORTER_9,
13455         EL_MM_TELEPORTER_8,
13456         EL_MM_TELEPORTER_7,
13457         EL_MM_TELEPORTER_6
13458       },
13459       {
13460         EL_MM_TELEPORTER_RED_5,
13461         EL_MM_TELEPORTER_RED_4,
13462         EL_MM_TELEPORTER_RED_3,
13463         EL_MM_TELEPORTER_RED_2,
13464         EL_MM_TELEPORTER_RED_1,
13465         EL_MM_TELEPORTER_RED_16,
13466         EL_MM_TELEPORTER_RED_15,
13467         EL_MM_TELEPORTER_RED_14,
13468         EL_MM_TELEPORTER_RED_13,
13469         EL_MM_TELEPORTER_RED_12,
13470         EL_MM_TELEPORTER_RED_11,
13471         EL_MM_TELEPORTER_RED_10,
13472         EL_MM_TELEPORTER_RED_9,
13473         EL_MM_TELEPORTER_RED_8,
13474         EL_MM_TELEPORTER_RED_7,
13475         EL_MM_TELEPORTER_RED_6
13476       },
13477       {
13478         EL_MM_TELEPORTER_YELLOW_5,
13479         EL_MM_TELEPORTER_YELLOW_4,
13480         EL_MM_TELEPORTER_YELLOW_3,
13481         EL_MM_TELEPORTER_YELLOW_2,
13482         EL_MM_TELEPORTER_YELLOW_1,
13483         EL_MM_TELEPORTER_YELLOW_16,
13484         EL_MM_TELEPORTER_YELLOW_15,
13485         EL_MM_TELEPORTER_YELLOW_14,
13486         EL_MM_TELEPORTER_YELLOW_13,
13487         EL_MM_TELEPORTER_YELLOW_12,
13488         EL_MM_TELEPORTER_YELLOW_11,
13489         EL_MM_TELEPORTER_YELLOW_10,
13490         EL_MM_TELEPORTER_YELLOW_9,
13491         EL_MM_TELEPORTER_YELLOW_8,
13492         EL_MM_TELEPORTER_YELLOW_7,
13493         EL_MM_TELEPORTER_YELLOW_6
13494       },
13495       {
13496         EL_MM_TELEPORTER_GREEN_5,
13497         EL_MM_TELEPORTER_GREEN_4,
13498         EL_MM_TELEPORTER_GREEN_3,
13499         EL_MM_TELEPORTER_GREEN_2,
13500         EL_MM_TELEPORTER_GREEN_1,
13501         EL_MM_TELEPORTER_GREEN_16,
13502         EL_MM_TELEPORTER_GREEN_15,
13503         EL_MM_TELEPORTER_GREEN_14,
13504         EL_MM_TELEPORTER_GREEN_13,
13505         EL_MM_TELEPORTER_GREEN_12,
13506         EL_MM_TELEPORTER_GREEN_11,
13507         EL_MM_TELEPORTER_GREEN_10,
13508         EL_MM_TELEPORTER_GREEN_9,
13509         EL_MM_TELEPORTER_GREEN_8,
13510         EL_MM_TELEPORTER_GREEN_7,
13511         EL_MM_TELEPORTER_GREEN_6
13512       },
13513       {
13514         EL_MM_TELEPORTER_BLUE_5,
13515         EL_MM_TELEPORTER_BLUE_4,
13516         EL_MM_TELEPORTER_BLUE_3,
13517         EL_MM_TELEPORTER_BLUE_2,
13518         EL_MM_TELEPORTER_BLUE_1,
13519         EL_MM_TELEPORTER_BLUE_16,
13520         EL_MM_TELEPORTER_BLUE_15,
13521         EL_MM_TELEPORTER_BLUE_14,
13522         EL_MM_TELEPORTER_BLUE_13,
13523         EL_MM_TELEPORTER_BLUE_12,
13524         EL_MM_TELEPORTER_BLUE_11,
13525         EL_MM_TELEPORTER_BLUE_10,
13526         EL_MM_TELEPORTER_BLUE_9,
13527         EL_MM_TELEPORTER_BLUE_8,
13528         EL_MM_TELEPORTER_BLUE_7,
13529         EL_MM_TELEPORTER_BLUE_6
13530       },
13531       {
13532         EL_MM_POLARIZER_1,
13533         EL_MM_POLARIZER_16,
13534         EL_MM_POLARIZER_15,
13535         EL_MM_POLARIZER_14,
13536         EL_MM_POLARIZER_13,
13537         EL_MM_POLARIZER_12,
13538         EL_MM_POLARIZER_11,
13539         EL_MM_POLARIZER_10,
13540         EL_MM_POLARIZER_9,
13541         EL_MM_POLARIZER_8,
13542         EL_MM_POLARIZER_7,
13543         EL_MM_POLARIZER_6,
13544         EL_MM_POLARIZER_5,
13545         EL_MM_POLARIZER_4,
13546         EL_MM_POLARIZER_3,
13547         EL_MM_POLARIZER_2
13548       },
13549       {
13550         EL_DF_MIRROR_1,
13551         EL_DF_MIRROR_16,
13552         EL_DF_MIRROR_15,
13553         EL_DF_MIRROR_14,
13554         EL_DF_MIRROR_13,
13555         EL_DF_MIRROR_12,
13556         EL_DF_MIRROR_11,
13557         EL_DF_MIRROR_10,
13558         EL_DF_MIRROR_9,
13559         EL_DF_MIRROR_8,
13560         EL_DF_MIRROR_7,
13561         EL_DF_MIRROR_6,
13562         EL_DF_MIRROR_5,
13563         EL_DF_MIRROR_4,
13564         EL_DF_MIRROR_3,
13565         EL_DF_MIRROR_2
13566       },
13567       {
13568         EL_DF_MIRROR_ROTATING_1,
13569         EL_DF_MIRROR_ROTATING_16,
13570         EL_DF_MIRROR_ROTATING_15,
13571         EL_DF_MIRROR_ROTATING_14,
13572         EL_DF_MIRROR_ROTATING_13,
13573         EL_DF_MIRROR_ROTATING_12,
13574         EL_DF_MIRROR_ROTATING_11,
13575         EL_DF_MIRROR_ROTATING_10,
13576         EL_DF_MIRROR_ROTATING_9,
13577         EL_DF_MIRROR_ROTATING_8,
13578         EL_DF_MIRROR_ROTATING_7,
13579         EL_DF_MIRROR_ROTATING_6,
13580         EL_DF_MIRROR_ROTATING_5,
13581         EL_DF_MIRROR_ROTATING_4,
13582         EL_DF_MIRROR_ROTATING_3,
13583         EL_DF_MIRROR_ROTATING_2
13584       },
13585       {
13586         EL_DF_MIRROR_FIXED_1,
13587         EL_DF_MIRROR_FIXED_16,
13588         EL_DF_MIRROR_FIXED_15,
13589         EL_DF_MIRROR_FIXED_14,
13590         EL_DF_MIRROR_FIXED_13,
13591         EL_DF_MIRROR_FIXED_12,
13592         EL_DF_MIRROR_FIXED_11,
13593         EL_DF_MIRROR_FIXED_10,
13594         EL_DF_MIRROR_FIXED_9,
13595         EL_DF_MIRROR_FIXED_8,
13596         EL_DF_MIRROR_FIXED_7,
13597         EL_DF_MIRROR_FIXED_6,
13598         EL_DF_MIRROR_FIXED_5,
13599         EL_DF_MIRROR_FIXED_4,
13600         EL_DF_MIRROR_FIXED_3,
13601         EL_DF_MIRROR_FIXED_2
13602       },
13603
13604       {
13605         -1,
13606       },
13607     };
13608     int i, j;
13609
13610     for (i = 0; swappable_elements[i][0] != -1; i++)
13611     {
13612       int element1 = swappable_elements[i][0];
13613       int element2 = swappable_elements[i][1];
13614
13615       if (old_element == element1 || old_element == element2)
13616         new_element = (old_element == element1 ? element2 : element1);
13617     }
13618
13619     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
13620     {
13621       for (j = 0; j < 4; j++)
13622       {
13623         int element = rotatable_elements_4[i][j];
13624
13625         if (old_element == element)
13626           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
13627                          button == 2 ? rotatable_elements_4[i][0]           :
13628                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
13629                          old_element);
13630       }
13631     }
13632
13633     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
13634     {
13635       for (j = 0; j < 8; j++)
13636       {
13637         int element = rotatable_elements_8[i][j];
13638
13639         if (old_element == element)
13640           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
13641                          button == 2 ? rotatable_elements_8[i][0]           :
13642                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
13643                          old_element);
13644       }
13645     }
13646
13647     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
13648     {
13649       for (j = 0; j < 16; j++)
13650       {
13651         int element = rotatable_elements_16[i][j];
13652
13653         if (old_element == element)
13654           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
13655                          button == 2 ? rotatable_elements_16[i][0]             :
13656                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
13657                          old_element);
13658       }
13659     }
13660
13661     if (old_element != new_element)
13662     {
13663       int max_infotext_len = getMaxInfoTextLength();
13664       char infotext[MAX_OUTPUT_LINESIZE + 1];
13665
13666       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
13667       infotext[max_infotext_len] = '\0';
13668
13669       ClearEditorGadgetInfoText();
13670
13671       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
13672                 infotext);
13673     }
13674   }
13675
13676   if (IS_MM_WALL_EDITOR(new_element))
13677     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
13678   else
13679     SetElementSimple(x, y, new_element, change_level);
13680
13681   last_x = x;
13682   last_y = y;
13683 }
13684
13685 static void ResetIntelliDraw(void)
13686 {
13687   int x, y;
13688
13689   for (x = 0; x < lev_fieldx; x++)
13690     for (y = 0; y < lev_fieldy; y++)
13691       IntelliDrawBuffer[x][y] = Tile[x][y];
13692
13693   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
13694 }
13695
13696 static boolean draw_mode_hires = FALSE;
13697
13698 static boolean isHiresTileElement(int element)
13699 {
13700   return (IS_MM_WALL(element)        || element == EL_EMPTY);
13701 }
13702
13703 static boolean isHiresDrawElement(int element)
13704 {
13705   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
13706 }
13707
13708 static int numHiresTiles(int element)
13709 {
13710   if (IS_MM_WALL(element))
13711     return get_number_of_bits(MM_WALL_BITS(element));
13712
13713   return 1;
13714 }
13715
13716 static void SetDrawModeHiRes(int element)
13717 {
13718   draw_mode_hires =
13719     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13720      isHiresDrawElement(element));
13721 }
13722
13723 static boolean getDrawModeHiRes(void)
13724 {
13725   return draw_mode_hires;
13726 }
13727
13728 static int getLoResScreenPos(int pos)
13729 {
13730   return (getDrawModeHiRes() ? pos / 2 : pos);
13731 }
13732
13733 static int getLoResScreenMod(int pos)
13734 {
13735   return (getDrawModeHiRes() ? pos % 2 : 0);
13736 }
13737
13738 static void SetElementExt(int x, int y, int dx, int dy, int element,
13739                           boolean change_level, int button)
13740 {
13741   if (element < 0)
13742     SetElementSimple(x, y, Tile[x][y], change_level);
13743   else if (GetKeyModState() & KMOD_Shift)
13744     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
13745   else
13746     SetElementSimpleExt(x, y, dx, dy, element, change_level);
13747 }
13748
13749 static void SetElement(int x, int y, int element)
13750 {
13751   SetElementExt(x, y, 0, 0, element, TRUE, -1);
13752 }
13753
13754 static void SetElementButton(int x, int y, int dx, int dy, int element,
13755                              int button)
13756 {
13757   SetElementExt(x, y, dx, dy, element, TRUE, button);
13758 }
13759
13760 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
13761 {
13762   int lx = getLoResScreenPos(sx2) + level_xpos;
13763   int ly = getLoResScreenPos(sy2) + level_ypos;
13764   int dx = getLoResScreenMod(sx2);
13765   int dy = getLoResScreenMod(sy2);
13766
13767   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
13768 }
13769
13770 static void SetLevelElementHiRes(int lx2, int ly2, int element)
13771 {
13772   int lx = lx2 / 2;
13773   int ly = ly2 / 2;
13774   int dx = lx2 % 2;
13775   int dy = ly2 % 2;
13776
13777   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
13778 }
13779
13780 static int getLevelElementHiRes(int lx2, int ly2)
13781 {
13782   int lx = lx2 / 2;
13783   int ly = ly2 / 2;
13784   int dx = lx2 % 2;
13785   int dy = ly2 % 2;
13786   int element = Tile[lx][ly];
13787   unsigned int bitmask = (dx + 1) << (dy * 2);
13788
13789   if (IS_MM_WALL(element))
13790   {
13791     if (element & bitmask)
13792       return map_mm_wall_element(element);
13793     else
13794       return EL_EMPTY;
13795   }
13796
13797   return element;
13798 }
13799
13800 static void DrawLineElement(int x, int y, int element, boolean change_level)
13801 {
13802   SetElementHiRes(x, y, element, change_level);
13803 }
13804
13805 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
13806                      int element, boolean change_level)
13807 {
13808   int xsize = ABS(to_x - from_x);
13809   int ysize = ABS(to_y - from_y);
13810   int dx = (to_x < from_x ? -1 : +1);
13811   int dy = (to_y < from_y ? -1 : +1);
13812   int i;
13813
13814   if (from_y == to_y)                   // horizontal line
13815   {
13816     for (i = 0; i <= xsize; i++)
13817       DrawLineElement(from_x + i * dx, from_y, element, change_level);
13818   }
13819   else if (from_x == to_x)              // vertical line
13820   {
13821     for (i = 0; i <= ysize; i++)
13822       DrawLineElement(from_x, from_y + i * dy, element, change_level);
13823   }
13824   else                                  // diagonal line
13825   {
13826     if (ysize < xsize)                  // a < 1
13827     {
13828       float a = (float)ysize / (float)xsize;
13829
13830       for (i = 0; i <= xsize; i++)
13831       {
13832         int x = dx * i;
13833         int y = dy * (int)(a * i + 0.5);
13834
13835         DrawLineElement(from_x + x, from_y + y, element, change_level);
13836       }
13837     }
13838     else                                // a >= 1
13839     {
13840       float a = (float)xsize / (float)ysize;
13841
13842       for (i = 0; i <= ysize; i++)
13843       {
13844         int x = dx * (int)(a * i + 0.5);
13845         int y = dy * i;
13846
13847         DrawLineElement(from_x + x, from_y + y, element, change_level);
13848       }
13849     }
13850   }
13851 }
13852
13853 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
13854                     int element, boolean change_level)
13855 {
13856   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
13857   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
13858   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
13859   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
13860 }
13861
13862 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
13863                           int element, boolean change_level)
13864 {
13865   int y;
13866
13867   if (from_y > to_y)
13868     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
13869
13870   for (y = from_y; y <= to_y; y++)
13871     DrawLine(from_x, y, to_x, y, element, change_level);
13872 }
13873
13874 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
13875                        int element, boolean change_level)
13876 {
13877   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
13878   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
13879   int len_x = ABS(to_x - from_x);
13880   int len_y = ABS(to_y - from_y);
13881   int radius, x, y;
13882
13883   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
13884
13885   // not optimal (some points get drawn twice) but simple,
13886   // and fast enough for the few points we are drawing
13887
13888   for (x = 0; x <= radius; x++)
13889   {
13890     int sx, sy, sx2, sy2, lx, ly;
13891
13892     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
13893
13894     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13895     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13896     sx = getLoResScreenPos(sx2);
13897     sy = getLoResScreenPos(sy2);
13898     lx = sx + level_xpos;
13899     ly = sy + level_ypos;
13900
13901     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13902       DrawLineElement(sx2, sy2, element, change_level);
13903   }
13904
13905   for (y = 0; y <= radius; y++)
13906   {
13907     int sx, sy, sx2, sy2, lx, ly;
13908
13909     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
13910
13911     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13912     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13913     sx = getLoResScreenPos(sx2);
13914     sy = getLoResScreenPos(sy2);
13915     lx = sx + level_xpos;
13916     ly = sy + level_ypos;
13917
13918     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13919       DrawLineElement(sx2, sy2, element, change_level);
13920   }
13921 }
13922
13923 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
13924                     int element, boolean change_level)
13925 {
13926   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13927   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13928
13929   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13930 }
13931
13932 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
13933
13934 #if DRAW_CIRCLES_BUTTON_AVAILABLE
13935 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
13936                        int element, boolean change_level)
13937 {
13938   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13939   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13940   int mirror_to_x2 = from_x - (to_x2 - from_x);
13941   int mirror_to_y2 = from_y - (to_y2 - from_y);
13942
13943   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13944   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
13945   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
13946   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
13947 }
13948 #endif
13949
13950 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
13951 {
13952   int from_sx, from_sy;
13953   int to_sx, to_sy;
13954
13955   if (from_x > to_x)
13956     swap_numbers(&from_x, &to_x);
13957
13958   if (from_y > to_y)
13959     swap_numbers(&from_y, &to_y);
13960
13961   from_sx = SX + from_x * ed_tilesize;
13962   from_sy = SY + from_y * ed_tilesize;
13963   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
13964   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
13965
13966   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
13967   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
13968   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
13969   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
13970
13971   if (from_x == to_x && from_y == to_y)
13972     MarkTileDirty(from_x/2, from_y/2);
13973   else
13974     redraw_mask |= REDRAW_FIELD;
13975 }
13976
13977 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
13978                         int element, boolean change_level)
13979 {
13980   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
13981 }
13982
13983 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
13984                        int element, boolean change_level)
13985 {
13986   if (element == -1 || change_level)
13987     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
13988   else
13989     DrawAreaBorder(from_x, from_y, to_x, to_y);
13990 }
13991
13992 // values for CopyBrushExt()
13993 #define CB_AREA_TO_BRUSH                0
13994 #define CB_BRUSH_TO_CURSOR              1
13995 #define CB_BRUSH_TO_LEVEL               2
13996 #define CB_DELETE_OLD_CURSOR            3
13997 #define CB_DUMP_BRUSH                   4
13998 #define CB_DUMP_BRUSH_SMALL             5
13999 #define CB_CLIPBOARD_TO_BRUSH           6
14000 #define CB_BRUSH_TO_CLIPBOARD           7
14001 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
14002 #define CB_UPDATE_BRUSH_POSITION        9
14003 #define CB_FLIP_BRUSH_X                 10
14004 #define CB_FLIP_BRUSH_Y                 11
14005 #define CB_FLIP_BRUSH_XY                12
14006
14007 #define MAX_CB_PART_SIZE        10
14008 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
14009 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
14010 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
14011                                  MAX_CB_NUM_LINES *     \
14012                                  MAX_CB_PART_SIZE)
14013
14014 static int getFlippedTileExt(int map[], int element)
14015 {
14016   int i;
14017
14018   for (i = 0; map[i] != -1; i++)
14019     if (map[i] == element)
14020       return map[i ^ 1];        // get flipped element by flipping LSB of index
14021
14022   return element;
14023 }
14024
14025 static int getFlippedTileX(int element)
14026 {
14027   int map[] =
14028   {
14029     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
14030     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
14031     EL_BUG_LEFT,                        EL_BUG_RIGHT,
14032     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
14033     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
14034     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
14035     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
14036     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
14037     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
14038     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
14039     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
14040     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
14041     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
14042     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
14043     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
14044     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
14045     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
14046     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
14047     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
14048     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
14049     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
14050     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
14051     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
14052     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
14053     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
14054     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
14055     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14056     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
14057     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
14058     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
14059
14060     -1
14061   };
14062
14063   return getFlippedTileExt(map, element);
14064 }
14065
14066 static int getFlippedTileY(int element)
14067 {
14068   int map[] =
14069   {
14070     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
14071     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
14072     EL_BUG_UP,                          EL_BUG_DOWN,
14073     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
14074     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
14075     EL_ARROW_UP,                        EL_ARROW_DOWN,
14076     EL_MOLE_UP,                         EL_MOLE_DOWN,
14077     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
14078     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
14079     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
14080     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
14081     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
14082     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
14083     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
14084     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
14085     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
14086     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
14087     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
14088     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
14089     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
14090     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14091     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14092     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
14093     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
14094
14095     -1
14096   };
14097
14098   return getFlippedTileExt(map, element);
14099 }
14100
14101 static int getFlippedTileXY(int element)
14102 {
14103   int map[] =
14104   {
14105     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
14106     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
14107     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
14108     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
14109     EL_BUG_LEFT,                        EL_BUG_UP,
14110     EL_BUG_RIGHT,                       EL_BUG_DOWN,
14111     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
14112     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
14113     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
14114     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
14115     EL_ARROW_LEFT,                      EL_ARROW_UP,
14116     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
14117     EL_MOLE_LEFT,                       EL_MOLE_UP,
14118     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
14119     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
14120     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
14121     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
14122     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
14123     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
14124     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
14125     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
14126     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
14127     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
14128     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
14129     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
14130     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
14131     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
14132     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
14133     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
14134     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
14135     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
14136     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
14137     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
14138     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
14139     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
14140     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
14141     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14142     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
14143     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
14144     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
14145     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
14146     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
14147
14148     -1
14149   };
14150
14151   return getFlippedTileExt(map, element);
14152 }
14153
14154 static int getFlippedTile(int element, int mode)
14155 {
14156   if (IS_MM_ELEMENT(element))
14157   {
14158     // get MM game element
14159     element = map_element_RND_to_MM(element);
14160
14161     // get flipped game element
14162     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
14163                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
14164                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
14165                element);
14166
14167     // get RND game element again
14168     element = map_element_MM_to_RND(element);
14169   }
14170   else
14171   {
14172     // get flipped game element
14173     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
14174                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
14175                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
14176                element);
14177   }
14178
14179   return element;
14180 }
14181
14182 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
14183 {
14184   // flip tiles
14185   short tile1_flipped = getFlippedTile(*tile1, mode);
14186   short tile2_flipped = getFlippedTile(*tile2, mode);
14187
14188   // swap tiles
14189   *tile1 = tile2_flipped;
14190   *tile2 = tile1_flipped;
14191 }
14192
14193 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
14194 {
14195   DrawLineElement(sx, sy, element, change_level);
14196 }
14197
14198 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
14199                          int button, int mode)
14200 {
14201   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14202   static int brush_width, brush_height;
14203   static int last_cursor_x = -1, last_cursor_y = -1;
14204   static boolean delete_old_brush = FALSE;
14205   int new_element = BUTTON_ELEMENT(button);
14206   int x, y;
14207
14208   if (mode == CB_DUMP_BRUSH ||
14209       mode == CB_DUMP_BRUSH_SMALL ||
14210       mode == CB_BRUSH_TO_CLIPBOARD ||
14211       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14212   {
14213     if (edit_mode != ED_MODE_DRAWING)
14214       return;
14215
14216     char part[MAX_CB_PART_SIZE + 1] = "";
14217     char text[MAX_CB_TEXT_SIZE + 1] = "";
14218     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
14219     int height = (draw_with_brush ? brush_height : lev_fieldy);
14220     char *format = "%s%03d";
14221
14222     for (y = 0; y < height; y++)
14223       for (x = 0; x < width; x++)
14224         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
14225           format = "%s%04d";
14226
14227     for (y = 0; y < height; y++)
14228     {
14229       for (x = 0; x < width; x++)
14230       {
14231         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
14232         char *prefix = (mode == CB_DUMP_BRUSH ||
14233                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
14234
14235         if (element >= NUM_FILE_ELEMENTS)
14236           element = EL_UNKNOWN;
14237
14238         // copy brush to level sketch text buffer for the R'n'D forum:
14239         // - large tiles: `xxx or `xxxx (0x60 ASCII)
14240         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
14241         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
14242         strcat(text, part);
14243       }
14244
14245       strcat(text, "\n");
14246     }
14247
14248     if (mode == CB_BRUSH_TO_CLIPBOARD ||
14249         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14250       SDL_SetClipboardText(text);
14251     else
14252       Print("%s", text);        // print brush data to console and log file
14253
14254     return;
14255   }
14256
14257   if (mode == CB_CLIPBOARD_TO_BRUSH)
14258   {
14259     if (edit_mode != ED_MODE_DRAWING)
14260       return;
14261
14262     if (!SDL_HasClipboardText())
14263     {
14264       Request("Clipboard is empty!", REQ_CONFIRM);
14265
14266       return;
14267     }
14268
14269     boolean copy_to_brush = (draw_with_brush ||
14270                              drawing_function == GADGET_ID_GRAB_BRUSH);
14271
14272     // this will delete the old brush, if already drawing with a brush
14273     if (copy_to_brush)
14274       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
14275
14276     // initialization is required for "odd" (incomplete) clipboard content
14277     for (x = 0; x < MAX_LEV_FIELDX; x++)
14278       for (y = 0; y < MAX_LEV_FIELDY; y++)
14279         brush_buffer[x][y] = EL_EMPTY;
14280
14281     brush_width  = 0;
14282     brush_height = 0;
14283     x = 0;
14284     y = 0;
14285
14286     char *clipboard_text = SDL_GetClipboardText();
14287     char *ptr = clipboard_text;
14288     boolean allow_new_row = FALSE;
14289     boolean stop = FALSE;
14290
14291     while (*ptr && !stop)
14292     {
14293       boolean prefix_found = FALSE;
14294       boolean start_new_row = FALSE;
14295
14296       // level sketch element number prefixes (may be multi-byte characters)
14297       char *prefix_list[] = { "`", "¸" };
14298       int i;
14299
14300       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
14301       {
14302         char *prefix = prefix_list[i];
14303
14304         // check if string is large enough for prefix
14305         if (strlen(ptr) < strlen(prefix))
14306         {
14307           stop = TRUE;
14308
14309           break;
14310         }
14311
14312         // check if string starts with prefix
14313         if (strPrefix(ptr, prefix))
14314         {
14315           ptr += strlen(prefix);
14316
14317           prefix_found = TRUE;
14318
14319           break;
14320         }
14321       }
14322
14323       // check if prefix found and followed by (at least) three digits
14324       if (prefix_found &&
14325           strlen(ptr) >= 3 &&
14326           ptr[0] >= '0' && ptr[0] <= '9' &&
14327           ptr[1] >= '0' && ptr[1] <= '9' &&
14328           ptr[2] >= '0' && ptr[2] <= '9')
14329       {
14330         int element = ((ptr[0] - '0') * 100 +
14331                        (ptr[1] - '0') * 10 +
14332                        (ptr[2] - '0'));
14333
14334         ptr += 3;
14335
14336         // level sketch element number might consist of four digits
14337         if (ptr[0] >= '0' && ptr[0] <= '9')
14338         {
14339           element = element * 10 + (ptr[0] - '0');
14340           ptr++;
14341         }
14342
14343         // remap some (historic, now obsolete) elements
14344         element = getMappedElement(element);
14345
14346         if (element >= NUM_FILE_ELEMENTS)
14347           element = EL_UNKNOWN;
14348
14349         brush_buffer[x][y] = element;
14350
14351         brush_width  = MAX(x + 1, brush_width);
14352         brush_height = MAX(y + 1, brush_height);
14353
14354         x++;
14355
14356         if (x >= MAX_LEV_FIELDX)
14357           start_new_row = TRUE;
14358
14359         allow_new_row = TRUE;
14360       }
14361       else
14362       {
14363         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
14364           start_new_row = TRUE;
14365
14366         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
14367       }
14368
14369       if (start_new_row)
14370       {
14371         x = 0;
14372         y++;
14373
14374         if (y >= MAX_LEV_FIELDY)
14375           stop = TRUE;
14376
14377         allow_new_row = FALSE;
14378       }
14379     }
14380
14381     SDL_free(clipboard_text);
14382
14383     if (brush_width == 0 || brush_height == 0)
14384     {
14385       Request("No level sketch found in clipboard!", REQ_CONFIRM);
14386
14387       return;
14388     }
14389
14390     if (copy_to_brush)
14391     {
14392       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
14393       int mx, my;
14394
14395       SDL_GetMouseState(&mx, &my);
14396
14397       // if inside drawing area, activate and draw brush at last mouse position
14398       if (mx >= gi->x && mx < gi->x + gi->width &&
14399           my >= gi->y && my < gi->y + gi->height)
14400         CopyBrushToCursor(last_cursor_x, last_cursor_y);
14401
14402       draw_with_brush = TRUE;
14403     }
14404     else
14405     {
14406       char request[100];
14407
14408       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
14409               brush_width, brush_height);
14410
14411       if (!Request(request, REQ_ASK))
14412         return;
14413
14414       for (x = 0; x < MAX_LEV_FIELDX; x++)
14415         for (y = 0; y < MAX_LEV_FIELDY; y++)
14416           Tile[x][y] = brush_buffer[x][y];
14417
14418       lev_fieldx = level.fieldx = brush_width;
14419       lev_fieldy = level.fieldy = brush_height;
14420
14421       boolean use_bd_engine = TRUE;
14422       boolean use_em_engine = TRUE;
14423       boolean use_sp_engine = TRUE;
14424       boolean use_mm_engine = TRUE;
14425
14426       for (x = 0; x < MAX_LEV_FIELDX; x++)
14427       {
14428         for (y = 0; y < MAX_LEV_FIELDY; y++)
14429         {
14430           int element = Tile[x][y];
14431
14432           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14433             use_bd_engine = FALSE;
14434
14435           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14436             use_em_engine = FALSE;
14437
14438           if (!IS_SP_ELEMENT(element))
14439             use_sp_engine = FALSE;
14440
14441           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
14442             use_mm_engine = FALSE;
14443         }
14444       }
14445
14446       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
14447                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
14448                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
14449                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
14450                                 GAME_ENGINE_TYPE_RND);
14451
14452       // update element selection list
14453       ReinitializeElementList();
14454       ModifyEditorElementList();
14455
14456       SetBorderElement();
14457
14458       DrawEditModeWindow();
14459       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14460     }
14461
14462     return;
14463   }
14464
14465   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
14466     return;
14467
14468   if (mode == CB_AREA_TO_BRUSH)
14469   {
14470     int from_lx, from_ly;
14471
14472     if (from_x > to_x)
14473       swap_numbers(&from_x, &to_x);
14474
14475     if (from_y > to_y)
14476       swap_numbers(&from_y, &to_y);
14477
14478     brush_width = to_x - from_x + 1;
14479     brush_height = to_y - from_y + 1;
14480
14481     from_lx = from_x + level_xpos;
14482     from_ly = from_y + level_ypos;
14483
14484     for (y = 0; y < brush_height; y++)
14485     {
14486       for (x = 0; x < brush_width; x++)
14487       {
14488         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
14489
14490         if (button != 1)
14491           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
14492       }
14493     }
14494
14495     if (button != 1)
14496       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14497
14498     delete_old_brush = FALSE;
14499   }
14500   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
14501            mode == CB_BRUSH_TO_LEVEL)
14502   {
14503     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
14504     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
14505     int cursor_from_x = cursor_x - brush_width / 2;
14506     int cursor_from_y = cursor_y - brush_height / 2;
14507     int border_from_x = cursor_x, border_from_y = cursor_y;
14508     int border_to_x = cursor_x, border_to_y = cursor_y;
14509
14510     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
14511       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14512
14513     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
14514         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
14515     {
14516       delete_old_brush = FALSE;
14517
14518       return;
14519     }
14520
14521     for (y = 0; y < brush_height; y++)
14522     {
14523       for (x = 0; x < brush_width; x++)
14524       {
14525         int sx = cursor_from_x + x;
14526         int sy = cursor_from_y + y;
14527         int lx = sx + level_xpos;
14528         int ly = sy + level_ypos;
14529         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
14530         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
14531                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
14532                        brush_buffer[x][y] : new_element);
14533
14534         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14535         {
14536           if (sx < border_from_x)
14537             border_from_x = sx;
14538           else if (sx > border_to_x)
14539             border_to_x = sx;
14540           if (sy < border_from_y)
14541             border_from_y = sy;
14542           else if (sy > border_to_y)
14543             border_to_y = sy;
14544
14545           DrawBrushElement(sx, sy, element, change_level);
14546         }
14547       }
14548     }
14549
14550     if (mode != CB_DELETE_OLD_CURSOR)
14551       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
14552
14553     last_cursor_x = cursor_x;
14554     last_cursor_y = cursor_y;
14555
14556     delete_old_brush = TRUE;
14557   }
14558   else if (mode == CB_FLIP_BRUSH_X)
14559   {
14560     for (y = 0; y < brush_height; y++)
14561       for (x = 0; x < (brush_width + 1) / 2; x++)
14562         SwapFlippedTiles(&brush_buffer[x][y],
14563                          &brush_buffer[brush_width - x - 1][y], mode);
14564
14565     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14566   }
14567   else if (mode == CB_FLIP_BRUSH_Y)
14568   {
14569     for (y = 0; y < (brush_height + 1) / 2; y++)
14570       for (x = 0; x < brush_width; x++)
14571         SwapFlippedTiles(&brush_buffer[x][y],
14572                          &brush_buffer[x][brush_height - y - 1], mode);
14573
14574     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14575   }
14576   else if (mode == CB_FLIP_BRUSH_XY)
14577   {
14578     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14579
14580     for (y = 0; y < MAX(brush_width, brush_height); y++)
14581       for (x = 0; x <= y; x++)
14582         SwapFlippedTiles(&brush_buffer[x][y],
14583                          &brush_buffer[y][x], mode);
14584
14585     swap_numbers(&brush_width, &brush_height);
14586
14587     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14588   }
14589
14590   if (mode == CB_UPDATE_BRUSH_POSITION)
14591   {
14592     last_cursor_x = from_x;
14593     last_cursor_y = from_y;
14594   }
14595 }
14596
14597 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
14598                             int button)
14599 {
14600   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
14601 }
14602
14603 static void CopyBrushToLevel(int x, int y, int button)
14604 {
14605   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
14606 }
14607
14608 static void CopyBrushToCursor(int x, int y)
14609 {
14610   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14611 }
14612
14613 static void UpdateBrushPosition(int x, int y)
14614 {
14615   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
14616 }
14617
14618 static void DeleteBrushFromCursor(void)
14619 {
14620   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14621 }
14622
14623 static void FlipBrushX(void)
14624 {
14625   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14626 }
14627
14628 static void FlipBrushY(void)
14629 {
14630   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
14631 }
14632
14633 static void RotateBrush(void)
14634 {
14635   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
14636   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14637 }
14638
14639 void DumpBrush(void)
14640 {
14641   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
14642 }
14643
14644 void DumpBrush_Small(void)
14645 {
14646   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
14647 }
14648
14649 void CopyClipboardToBrush(void)
14650 {
14651   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
14652 }
14653
14654 void CopyBrushToClipboard(void)
14655 {
14656   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
14657 }
14658
14659 void CopyBrushToClipboard_Small(void)
14660 {
14661   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
14662 }
14663
14664 void UndoLevelEditorOperation(void)
14665 {
14666   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
14667 }
14668
14669 void RedoLevelEditorOperation(void)
14670 {
14671   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14672 }
14673
14674 static void FloodFill(int from_x, int from_y, int fill_element)
14675 {
14676   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
14677 }
14678
14679 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
14680 {
14681   int from_x = from_sx2 + 2 * level_xpos;
14682   int from_y = from_sy2 + 2 * level_ypos;
14683   int max_fillx = lev_fieldx * 2;
14684   int max_filly = lev_fieldy * 2;
14685   short Fill[max_fillx][max_filly];
14686   int x, y;
14687
14688   for (x = 0; x < max_fillx; x++)
14689     for (y = 0; y < max_filly; y++)
14690       Fill[x][y] = getLevelElementHiRes(x, y);
14691
14692   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
14693                     Fill, max_fillx, max_filly);
14694
14695   for (x = 0; x < max_fillx; x++)
14696     for (y = 0; y < max_filly; y++)
14697       if (Fill[x][y] == fill_element)
14698         SetLevelElementHiRes(x, y, Fill[x][y]);
14699 }
14700
14701 // values for DrawLevelText() modes
14702 #define TEXT_INIT               0
14703 #define TEXT_SETCURSOR          1
14704 #define TEXT_WRITECHAR          2
14705 #define TEXT_BACKSPACE          3
14706 #define TEXT_NEWLINE            4
14707 #define TEXT_END                5
14708 #define TEXT_QUERY_TYPING       6
14709
14710 static int DrawLevelText(int sx, int sy, char letter, int mode)
14711 {
14712   static short delete_buffer[MAX_LEV_FIELDX];
14713   static int start_sx;
14714   static int last_sx, last_sy;
14715   static boolean typing = FALSE;
14716   int letter_element;
14717   int lx = 0, ly = 0;
14718
14719   // map lower case letters to upper case and convert special characters
14720   if (letter >= 'a' && letter <= 'z')
14721     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
14722   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
14723     letter_element = EL_CHAR_AUMLAUT;
14724   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
14725     letter_element = EL_CHAR_OUMLAUT;
14726   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
14727     letter_element = EL_CHAR_UUMLAUT;
14728   else if (letter == '^')
14729     letter_element = EL_CHAR_COPYRIGHT;
14730   else
14731     letter_element = EL_CHAR_ASCII0 + letter;
14732
14733   if (mode != TEXT_INIT)
14734   {
14735     if (!typing)
14736       return FALSE;
14737
14738     if (mode != TEXT_SETCURSOR)
14739     {
14740       sx = last_sx;
14741       sy = last_sy;
14742     }
14743
14744     lx = last_sx + level_xpos;
14745     ly = last_sy + level_ypos;
14746   }
14747
14748   switch (mode)
14749   {
14750     case TEXT_INIT:
14751       if (typing)
14752         DrawLevelText(0, 0, 0, TEXT_END);
14753
14754       typing = TRUE;
14755       start_sx = sx;
14756       last_sx = sx;
14757       last_sy = sy;
14758       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
14759       break;
14760
14761     case TEXT_SETCURSOR:
14762       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
14763       DrawAreaBorder(sx, sy, sx, sy);
14764       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
14765                      ed_tilesize, ed_tilesize);
14766       last_sx = sx;
14767       last_sy = sy;
14768       break;
14769
14770     case TEXT_WRITECHAR:
14771       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
14772       {
14773         if (new_element1 >= EL_STEEL_CHAR_START &&
14774             new_element1 <= EL_STEEL_CHAR_END)
14775           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
14776
14777         delete_buffer[sx - start_sx] = Tile[lx][ly];
14778         Tile[lx][ly] = letter_element;
14779
14780         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
14781           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
14782         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14783           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14784         else
14785           DrawLevelText(0, 0, 0, TEXT_END);
14786
14787         level.changed = TRUE;
14788       }
14789       break;
14790
14791     case TEXT_BACKSPACE:
14792       if (sx > start_sx)
14793       {
14794         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
14795         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
14796         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
14797       }
14798       break;
14799
14800     case TEXT_NEWLINE:
14801       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14802         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14803       else
14804         DrawLevelText(0, 0, 0, TEXT_END);
14805       break;
14806
14807     case TEXT_END:
14808       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14809       DrawEditorElement(sx, sy, Tile[lx][ly]);
14810       StopTextInput();
14811       typing = FALSE;
14812       break;
14813
14814     case TEXT_QUERY_TYPING:
14815       break;
14816
14817     default:
14818       break;
14819   }
14820
14821   return typing;
14822 }
14823
14824 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
14825                           int element, boolean change_level)
14826 {
14827   int lx = sx + level_xpos;
14828   int ly = sy + level_ypos;
14829
14830   if (element == -1)
14831     DrawEditorElement(sx, sy, Tile[lx][ly]);
14832   else
14833     DrawAreaBorder(sx, sy, sx, sy);
14834 }
14835
14836 static void CheckLevelBorderElement(boolean redraw_playfield)
14837 {
14838   int last_border_element = BorderElement;
14839
14840   SetBorderElement();
14841
14842   if (redraw_playfield && BorderElement != last_border_element)
14843     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14844 }
14845
14846 static void CopyLevelToUndoBuffer(int mode)
14847 {
14848   static boolean accumulated_undo = FALSE;
14849   boolean new_undo_buffer_position = TRUE;
14850   int x, y;
14851
14852   if (undo_buffer_steps == 0)
14853     accumulated_undo = FALSE;
14854
14855   switch (mode)
14856   {
14857     case UNDO_IMMEDIATE:
14858       accumulated_undo = FALSE;
14859       break;
14860
14861     case UNDO_ACCUMULATE:
14862       if (accumulated_undo)
14863         new_undo_buffer_position = FALSE;
14864       accumulated_undo = TRUE;
14865       break;
14866
14867     default:
14868       break;
14869   }
14870
14871   if (new_undo_buffer_position)
14872   {
14873     // advance position in undo buffer ring
14874     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14875
14876     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
14877       undo_buffer_steps++;
14878   }
14879
14880   // always reset redo buffer when storing level change into undo buffer
14881   redo_buffer_steps = 0;
14882
14883   for (x = 0; x < lev_fieldx; x++)
14884     for (y = 0; y < lev_fieldy; y++)
14885       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
14886
14887   // check if drawing operation forces change of border style
14888   CheckLevelBorderElement(TRUE);
14889
14890   level.changed = TRUE;
14891 }
14892
14893 static void RandomPlacement(int new_element)
14894 {
14895   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14896   int num_free_positions = 0;
14897   int num_percentage, num_elements;
14898   int x, y;
14899
14900   ResetIntelliDraw();
14901
14902   // determine number of free positions for randomly placing the new element
14903   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
14904   {
14905     free_position[x][y] =
14906       (random_placement_background_restricted ?
14907        Tile[x][y] == random_placement_background_element :
14908        Tile[x][y] != new_element);
14909
14910     if (free_position[x][y])
14911       num_free_positions++;
14912   }
14913
14914   // determine number of new elements to place there
14915   num_percentage = num_free_positions * random_placement_value / 100;
14916   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
14917                   num_percentage : random_placement_value);
14918
14919   // if less free positions than elements to place, fill all these positions
14920   if (num_free_positions < num_elements)
14921   {
14922     for (x = 0; x < lev_fieldx; x++)
14923       for (y = 0; y < lev_fieldy; y++)
14924         if (free_position[x][y])
14925           SetElement(x, y, new_element);
14926   }
14927   else
14928   {
14929     while (num_elements > 0)
14930     {
14931       x = GetSimpleRandom(lev_fieldx);
14932       y = GetSimpleRandom(lev_fieldy);
14933
14934       // don't place element at the same position twice
14935       if (free_position[x][y])
14936       {
14937         free_position[x][y] = FALSE;
14938         SetElement(x, y, new_element);
14939         num_elements--;
14940       }
14941     }
14942   }
14943
14944   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14945   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14946 }
14947
14948 static void WrapLevel(int dx, int dy)
14949 {
14950   int wrap_dx = lev_fieldx - dx;
14951   int wrap_dy = lev_fieldy - dy;
14952   int x, y;
14953
14954   for (x = 0; x < lev_fieldx; x++)
14955     for (y = 0; y < lev_fieldy; y++)
14956       TileBackup[x][y] = Tile[x][y];
14957
14958   for (x = 0; x < lev_fieldx; x++)
14959     for (y = 0; y < lev_fieldy; y++)
14960       Tile[x][y] =
14961         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
14962
14963   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14964   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
14965 }
14966
14967 static void DrawAreaElementHighlight(boolean highlighted,
14968                                      boolean highlighted_similar)
14969 {
14970   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14971
14972   if (!highlighted)
14973     return;
14974
14975   int x, y;
14976
14977   for (x = 0; x < ed_fieldx; x++)
14978   {
14979     for (y = 0; y < ed_fieldy; y++)
14980     {
14981       boolean highlight = FALSE;
14982       int lx = x + level_xpos;
14983       int ly = y + level_ypos;
14984
14985       if (!IN_LEV_FIELD(lx, ly))
14986         continue;
14987
14988       // check if element is the same
14989       if (Tile[lx][ly] == new_element1)
14990         highlight = TRUE;
14991
14992       // check if element is similar
14993       if (highlighted_similar &&
14994           strEqual(element_info[Tile[lx][ly]].class_name,
14995                    element_info[new_element1].class_name))
14996         highlight = TRUE;
14997
14998       // check if element is matching MM style wall
14999       if (IS_MM_WALL(Tile[lx][ly]) &&
15000           map_mm_wall_element(Tile[lx][ly]) == new_element1)
15001         highlight = TRUE;
15002
15003       if (!highlight)
15004         continue;
15005
15006       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
15007       {
15008         int i;
15009
15010         for (i = 0; i < 4; i++)
15011         {
15012           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
15013             continue;
15014
15015           int xx = x * 2 + (i % 2);
15016           int yy = y * 2 + (i / 2);
15017           int sx = SX + xx * ed_tilesize / 2;
15018           int sy = SY + yy * ed_tilesize / 2;
15019           int from_sx = sx;
15020           int from_sy = sy;
15021           int to_sx = sx + ed_tilesize / 2 - 1;
15022           int to_sy = sy + ed_tilesize / 2 - 1;
15023
15024           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15025           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15026           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15027           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15028         }
15029       }
15030       else
15031       {
15032         int sx = SX + x * ed_tilesize;
15033         int sy = SY + y * ed_tilesize;
15034         int from_sx = sx;
15035         int from_sy = sy;
15036         int to_sx = sx + ed_tilesize - 1;
15037         int to_sy = sy + ed_tilesize - 1;
15038
15039         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15040         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15041         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15042         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15043       }
15044     }
15045   }
15046 }
15047
15048 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
15049 {
15050   char *template_filename_old = getLocalLevelTemplateFilename();
15051   char *template_filename_new =
15052     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
15053
15054   if (copyFile(template_filename_old, template_filename_new) != 0)
15055     Request("Cannot copy level template!", REQ_CONFIRM);
15056
15057   free(template_filename_new);
15058 }
15059
15060 static void HandleDrawingAreas(struct GadgetInfo *gi)
15061 {
15062   static boolean started_inside_drawing_area = FALSE;
15063   static int last_sx = -1;
15064   static int last_sy = -1;
15065   static int last_sx2 = -1;
15066   static int last_sy2 = -1;
15067   int id = gi->custom_id;
15068   int type_id = gi->custom_type_id;
15069   boolean button_press_event;
15070   boolean button_release_event;
15071   boolean inside_drawing_area = !gi->event.off_borders;
15072   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
15073   int actual_drawing_function;
15074   int button = gi->event.button;
15075   int new_element = BUTTON_ELEMENT(button);
15076   int sx = gi->event.x, sy = gi->event.y;
15077   int min_sx = 0, min_sy = 0;
15078   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
15079   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
15080   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
15081   int sx2 = gi->event.mx / mini_item_xsize;
15082   int sy2 = gi->event.my / mini_item_ysize;
15083   int dx = sx2 % 2;
15084   int dy = sy2 % 2;
15085   int lx = 0, ly = 0;
15086   int x, y;
15087
15088   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
15089   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
15090
15091   // make sure to stay inside drawing area boundaries
15092   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15093   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15094
15095   if (draw_level)
15096   {
15097     int min_lx = 0, min_ly = 0;
15098     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15099
15100     // get positions inside level field
15101     lx = sx + level_xpos;
15102     ly = sy + level_ypos;
15103
15104     if (!IN_LEV_FIELD(lx, ly))
15105       inside_drawing_area = FALSE;
15106
15107     // make sure to stay inside level field boundaries
15108     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15109     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15110
15111     // correct drawing area positions accordingly
15112     sx = lx - level_xpos;
15113     sy = ly - level_ypos;
15114   }
15115
15116   // also correct MM wall-sized (double) drawing area positions accordingly
15117   if (sx2 / 2 < sx || sx2 / 2 > sx)
15118   {
15119     dx = (sx2 / 2 < sx ? 0 : 1);
15120     sx2 = sx * 2 + dx;
15121   }
15122   if (sy2 / 2 < sy || sy2 / 2 > sy)
15123   {
15124     dy = (sy2 / 2 < sy ? 0 : 1);
15125     sy2 = sy * 2 + dy;
15126   }
15127
15128   if (!button_press_event && !button_release_event)
15129   {
15130     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
15131     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
15132                              isHiresTileElement(old_element) &&
15133                              isHiresDrawElement(new_element));
15134
15135     // prevent handling events for every pixel position when moving mouse
15136     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
15137         (sx2 == last_sx2 && sy2 == last_sy2))
15138       return;
15139   }
15140
15141   last_sx = sx;
15142   last_sy = sy;
15143   last_sx2 = sx2;
15144   last_sy2 = sy2;
15145
15146   if (button_press_event)
15147     started_inside_drawing_area = inside_drawing_area;
15148
15149   if (!started_inside_drawing_area)
15150     return;
15151
15152   if (!IS_VALID_BUTTON(button))
15153     return;
15154
15155   // handle info callback for each invocation of action callback
15156   gi->callback_info(gi);
15157
15158   // automatically switch to 'single item' drawing mode, if needed
15159   actual_drawing_function =
15160     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
15161      drawing_function : GADGET_ID_SINGLE_ITEMS);
15162
15163   // clicking into drawing area with pressed Control key picks element
15164   if (GetKeyModState() & KMOD_Control)
15165   {
15166     last_drawing_function = drawing_function;
15167     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15168   }
15169
15170   if (GetKeyModState() & KMOD_Shift)
15171   {
15172     if (button_press_event || button_release_event)
15173       ResetIntelliDraw();
15174   }
15175
15176   SetDrawModeHiRes(-1);         // reset to normal draw mode
15177
15178   switch (actual_drawing_function)
15179   {
15180     case GADGET_ID_SINGLE_ITEMS:
15181       if (draw_level)
15182       {
15183         if (button_release_event)
15184         {
15185           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15186
15187           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
15188               !inside_drawing_area)
15189             DeleteBrushFromCursor();
15190
15191           break;
15192         }
15193
15194         if (draw_with_brush)
15195         {
15196           CopyBrushToLevel(sx, sy, button);
15197         }
15198         else
15199         {
15200           SetDrawModeHiRes(new_element);
15201
15202           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
15203           {
15204             // remove player at old position
15205             for (y = 0; y < lev_fieldy; y++)
15206             {
15207               for (x = 0; x < lev_fieldx; x++)
15208               {
15209                 int old_element = Tile[x][y];
15210
15211                 if (IS_PLAYER_ELEMENT(old_element) &&
15212                     IS_PLAYER_ELEMENT(new_element))
15213                 {
15214                   int replaced_with_element =
15215                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
15216                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
15217
15218                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
15219                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
15220
15221                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
15222                      old_element == EL_PLAYER_1 ? EL_EMPTY :
15223
15224                      new_element >= EL_PLAYER_1 &&
15225                      new_element <= EL_PLAYER_4 &&
15226                      new_element == old_element ? EL_EMPTY :
15227
15228                      old_element);
15229
15230                   SetElement(x, y, replaced_with_element);
15231                 }
15232                 else if (IS_MM_MCDUFFIN(old_element) &&
15233                          IS_MM_MCDUFFIN(new_element))
15234                 {
15235                   // remove McDuffin at old position
15236                   SetElement(x, y, EL_EMPTY);
15237                 }
15238               }
15239             }
15240           }
15241
15242           SetElementButton(lx, ly, dx, dy, new_element, button);
15243         }
15244       }
15245       else if (!button_release_event)
15246       {
15247         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15248
15249         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
15250           DrawMiniGraphicExt(drawto,
15251                              gi->x + sx * MINI_TILEX,
15252                              gi->y + sy * MINI_TILEY,
15253                              el2edimg(new_element));
15254         else
15255           DrawFixedGraphicExt(drawto,
15256                               gi->x + sx * TILEX,
15257                               gi->y + sy * TILEY,
15258                               el2edimg(new_element), 0);
15259
15260         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15261           new_element = GFX_ELEMENT(new_element);
15262
15263         drawingarea_info[type_id].value[pos] = new_element;
15264
15265         CopyElementPropertiesToGame(properties_element);
15266
15267         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15268         {
15269           UpdateCustomElementGraphicGadgets();
15270
15271           FrameCounter = 0;     // restart animation frame counter
15272         }
15273       }
15274       break;
15275
15276     case GADGET_ID_CONNECTED_ITEMS:
15277       {
15278         static int last_sx = -1;
15279         static int last_sy = -1;
15280
15281         if (button_release_event)
15282           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15283
15284         SetDrawModeHiRes(new_element);
15285
15286         if (getDrawModeHiRes())
15287         {
15288           sx = sx2;
15289           sy = sy2;
15290         }
15291
15292         if (!button_press_event)
15293           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
15294
15295         last_sx = sx;
15296         last_sy = sy;
15297       }
15298       break;
15299
15300     case GADGET_ID_LINE:
15301     case GADGET_ID_ARC:
15302     case GADGET_ID_RECTANGLE:
15303     case GADGET_ID_FILLED_BOX:
15304       SetDrawModeHiRes(new_element);
15305
15306       if (getDrawModeHiRes())
15307       {
15308         sx = sx2;
15309         sy = sy2;
15310       }
15311       // FALLTHROUGH
15312     case GADGET_ID_GRAB_BRUSH:
15313     case GADGET_ID_TEXT:
15314       {
15315         static int last_sx = -1;
15316         static int last_sy = -1;
15317         static int start_sx = -1;
15318         static int start_sy = -1;
15319         void (*draw_func)(int, int, int, int, int, boolean);
15320
15321         if (drawing_function == GADGET_ID_LINE)
15322           draw_func = DrawLine;
15323         else if (drawing_function == GADGET_ID_ARC)
15324           draw_func = DrawArc;
15325         else if (drawing_function == GADGET_ID_RECTANGLE)
15326           draw_func = DrawBox;
15327         else if (drawing_function == GADGET_ID_FILLED_BOX)
15328           draw_func = DrawFilledBox;
15329         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
15330           draw_func = SelectArea;
15331         else // (drawing_function == GADGET_ID_TEXT)
15332           draw_func = SetTextCursor;
15333
15334         if (button_press_event)
15335         {
15336           draw_func(sx, sy, sx, sy, new_element, FALSE);
15337           start_sx = last_sx = sx;
15338           start_sy = last_sy = sy;
15339
15340           if (drawing_function == GADGET_ID_TEXT)
15341             DrawLevelText(0, 0, 0, TEXT_END);
15342         }
15343         else if (button_release_event)
15344         {
15345           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
15346           if (drawing_function == GADGET_ID_GRAB_BRUSH)
15347           {
15348             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
15349             CopyBrushToCursor(sx, sy);
15350             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15351                           MB_LEFTBUTTON);
15352             draw_with_brush = TRUE;
15353           }
15354           else if (drawing_function == GADGET_ID_TEXT)
15355             DrawLevelText(sx, sy, 0, TEXT_INIT);
15356           else
15357             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15358         }
15359         else if (last_sx != sx || last_sy != sy)
15360         {
15361           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
15362           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
15363             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
15364           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
15365           last_sx = sx;
15366           last_sy = sy;
15367         }
15368       }
15369       break;
15370
15371     case GADGET_ID_FLOOD_FILL:
15372       if (button_press_event && Tile[lx][ly] != new_element)
15373       {
15374         if (IS_MM_WALL_EDITOR(new_element))
15375           FloodFillWall_MM(sx2, sy2, new_element);
15376         else
15377           FloodFill(lx, ly, new_element);
15378
15379         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15380         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15381       }
15382       break;
15383
15384     case GADGET_ID_PICK_ELEMENT:
15385       if (button_release_event)
15386         ClickOnGadget(level_editor_gadget[last_drawing_function],
15387                       MB_LEFTBUTTON);
15388       else if (draw_level)
15389         PickDrawingElement(button, Tile[lx][ly]);
15390       else
15391       {
15392         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15393
15394         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
15395       }
15396
15397     default:
15398       break;
15399   }
15400
15401   // do not mark level as modified for certain non-level-changing gadgets
15402   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
15403        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
15404       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
15405       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15406     return;
15407
15408   level.changed = TRUE;
15409 }
15410
15411 static void HandleCounterButtons(struct GadgetInfo *gi)
15412 {
15413   int gadget_id = gi->custom_id;
15414   int counter_id = gi->custom_type_id;
15415   int button = gi->event.button;
15416   int *counter_value = counterbutton_info[counter_id].value;
15417   int step = BUTTON_STEPSIZE(button) *
15418     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
15419
15420   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15421   {
15422     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
15423     boolean released = (gi->event.type == GD_EVENT_RELEASED);
15424     boolean level_changed = LevelChanged();
15425
15426     if ((level_changed && pressed) || (!level_changed && released))
15427       return;
15428
15429     if (level_changed && !Request("Level has changed! Discard changes?",
15430                                   REQ_ASK))
15431     {
15432       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15433         ModifyEditorCounterValue(counter_id, *counter_value);
15434
15435       return;
15436     }
15437   }
15438
15439   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15440     *counter_value = gi->textinput.number_value;
15441   else
15442     ModifyEditorCounterValue(counter_id, *counter_value + step);
15443
15444   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15445   {
15446     int last_game_engine_type = level.game_engine_type;
15447
15448     LoadLevel(level_nr);
15449     LoadScore(level_nr);
15450
15451     SaveLevelSetup_SeriesInfo();
15452
15453     TapeErase();
15454
15455     ResetUndoBuffer();
15456     DrawEditModeWindow();
15457
15458     if (level.game_engine_type != last_game_engine_type)
15459     {
15460       // update element selection list
15461       ReinitializeElementList();
15462       ModifyEditorElementList();
15463     }
15464
15465     return;
15466   }
15467
15468   switch (counter_id)
15469   {
15470     case ED_COUNTER_ID_YAMYAM_CONTENT:
15471       DrawYamYamContentAreas();
15472       break;
15473
15474     case ED_COUNTER_ID_BALL_CONTENT:
15475       DrawMagicBallContentAreas();
15476       break;
15477
15478     case ED_COUNTER_ID_ANDROID_CONTENT:
15479       DrawAndroidElementArea();
15480       break;
15481
15482     case ED_COUNTER_ID_GROUP_CONTENT:
15483       DrawGroupElementArea();
15484       CopyGroupElementPropertiesToGame(properties_element);
15485       break;
15486
15487     case ED_COUNTER_ID_INVENTORY_SIZE:
15488       DrawPlayerInitialInventoryArea(properties_element);
15489       break;
15490
15491     case ED_COUNTER_ID_MM_BALL_CONTENT:
15492       DrawMMBallContentArea();
15493       break;
15494
15495     case ED_COUNTER_ID_ENVELOPE_XSIZE:
15496     case ED_COUNTER_ID_ENVELOPE_YSIZE:
15497       DrawEnvelopeTextArea(-1);
15498       break;
15499
15500     case ED_COUNTER_ID_LEVEL_XSIZE:
15501     case ED_COUNTER_ID_LEVEL_YSIZE:
15502       lev_fieldx = level.fieldx;
15503       lev_fieldy = level.fieldy;
15504
15505       // check if resizing of level results in change of border border
15506       SetBorderElement();
15507
15508       break;
15509
15510     default:
15511       break;
15512   }
15513
15514   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
15515        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
15516       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
15517        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
15518     CopyElementPropertiesToGame(properties_element);
15519
15520   // do not mark level as modified for certain non-level-changing gadgets
15521   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
15522        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
15523       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
15524        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
15525     return;
15526
15527   level.changed = TRUE;
15528 }
15529
15530 static void HandleTextInputGadgets(struct GadgetInfo *gi)
15531 {
15532   int type_id = gi->custom_type_id;
15533
15534   strcpy(textinput_info[type_id].value, gi->textinput.value);
15535
15536   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
15537   {
15538     CopyElementPropertiesToGame(properties_element);
15539
15540     ModifyEditorElementList();  // update changed button info text
15541   }
15542
15543   // do not mark level as modified for certain non-level-changing gadgets
15544   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
15545       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
15546     return;
15547
15548   level.changed = TRUE;
15549 }
15550
15551 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
15552 {
15553   int type_id = gi->custom_type_id;
15554
15555   strncpy(textarea_info[type_id].value, gi->textarea.value,
15556           MAX_ENVELOPE_TEXT_LEN);
15557   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
15558
15559   level.changed = TRUE;
15560 }
15561
15562 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
15563 {
15564   int type_id = gi->custom_type_id;
15565   int value_old = *selectbox_info[type_id].value;
15566   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
15567
15568   *selectbox_info[type_id].value = value_new;
15569
15570   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
15571   {
15572     DrawLevelConfigWindow();
15573   }
15574   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15575   {
15576     element_info[properties_element].current_change_page = gi->selectbox.index;
15577
15578     DrawPropertiesWindow();
15579   }
15580   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
15581             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
15582            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
15583             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
15584            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
15585   {
15586     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
15587     {
15588       // when changing action type, also check action mode and action arg
15589       if (value_old != value_new)
15590         setSelectboxSpecialActionVariablesIfNeeded();
15591
15592       DrawPropertiesChange();
15593     }
15594
15595     CopyElementPropertiesToGame(properties_element);
15596   }
15597   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
15598   {
15599     // show or hide "engine" tabulator depending on game engine type
15600     DrawLevelConfigWindow();
15601
15602     // update element selection list depending on game engine type
15603     ReinitializeElementList();
15604     ModifyEditorElementList();
15605   }
15606   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
15607   {
15608     // update BD cycle delay counter gadgets depending on BD scheduling type
15609     DrawLevelConfigWindow();
15610   }
15611
15612   // do not mark level as modified for certain non-level-changing gadgets
15613   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
15614       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15615     return;
15616
15617   level.changed = TRUE;
15618 }
15619
15620 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
15621 {
15622   int type_id = gi->custom_type_id;
15623   int i;
15624
15625   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
15626       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
15627   {
15628     edit_mode_levelconfig = gi->custom_type_id;
15629
15630     DrawLevelConfigWindow();
15631   }
15632   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
15633            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
15634   {
15635     edit_mode_properties = gi->custom_type_id;
15636
15637     DrawPropertiesWindow();
15638   }
15639   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
15640            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
15641   {
15642     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
15643
15644     // backup original "level.field" (needed to track playfield changes)
15645     CopyPlayfield(level.field, TileBackup);
15646
15647     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
15648     CopyPlayfield(Tile, level.field);
15649
15650     if (new_template ||
15651         Request("Save this template and kill the old?", REQ_ASK))
15652       SaveLevelTemplate();
15653
15654     if (new_template)
15655       Request("Template saved!", REQ_CONFIRM);
15656
15657     // restore original "level.field" (needed to track playfield changes)
15658     CopyPlayfield(TileBackup, level.field);
15659   }
15660   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
15661   {
15662     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
15663
15664     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
15665         leveldir_current->readonly)
15666     {
15667       Request("This level set is read-only!", REQ_CONFIRM);
15668
15669       return;
15670     }
15671
15672     if (strEqual(levelset_name, ""))
15673     {
15674       Request("Please enter level set title!", REQ_CONFIRM);
15675
15676       return;
15677     }
15678
15679     if (strEqual(levelset_author, ""))
15680     {
15681       Request("Please enter level set author!", REQ_CONFIRM);
15682
15683       return;
15684     }
15685
15686     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
15687     {
15688       if (UpdateUserLevelSet(levelset_subdir,
15689                              levelset_name,
15690                              levelset_author,
15691                              levelset_num_levels))
15692       {
15693         Request("Level set updated!", REQ_CONFIRM);
15694       }
15695       else
15696       {
15697         Request("Updating level set failed!", REQ_CONFIRM);
15698       }
15699     }
15700     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
15701     {
15702       if (level.changed && !Request("Level has changed! Discard changes?",
15703                                      REQ_ASK))
15704         return;
15705
15706       if (CreateUserLevelSet(levelset_subdir,
15707                              levelset_name,
15708                              levelset_author,
15709                              levelset_num_levels,
15710                              levelset_use_levelset_artwork))
15711       {
15712         if (levelset_copy_level_template)
15713           CopyLevelTemplateToUserLevelSet(levelset_subdir);
15714
15715         Request("New level set created!", REQ_CONFIRM);
15716
15717         AddUserLevelSetToLevelInfo(levelset_subdir);
15718         ChangeEditorToLevelSet(levelset_subdir);
15719       }
15720       else
15721       {
15722         Request("Creating new level set failed!", REQ_CONFIRM);
15723       }
15724     }
15725   }
15726   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
15727            custom_element.num_change_pages < MAX_CHANGE_PAGES)
15728   {
15729     struct ElementInfo *ei = &element_info[properties_element];
15730
15731     // when modifying custom element, ask for copying level template
15732     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15733       return;
15734
15735     setElementChangePages(ei, ei->num_change_pages + 1);
15736
15737     // set new change page to be new current change page
15738     ei->current_change_page = ei->num_change_pages - 1;
15739     ei->change = &ei->change_page[ei->current_change_page];
15740
15741     setElementChangeInfoToDefaults(ei->change);
15742
15743     DrawPropertiesWindow();
15744
15745     level.changed = TRUE;
15746   }
15747   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
15748            custom_element.num_change_pages > MIN_CHANGE_PAGES)
15749   {
15750     struct ElementInfo *ei = &element_info[properties_element];
15751
15752     // when modifying custom element, ask for copying level template
15753     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15754       return;
15755
15756     // copy all change pages after change page to be deleted
15757     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
15758       ei->change_page[i] = ei->change_page[i + 1];
15759
15760     setElementChangePages(ei, ei->num_change_pages - 1);
15761
15762     DrawPropertiesWindow();
15763
15764     level.changed = TRUE;
15765   }
15766 }
15767
15768 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
15769 {
15770   int type_id = gi->custom_type_id;
15771
15772   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
15773       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
15774   {
15775     struct ElementInfo *ei = &element_info[properties_element];
15776     int step = BUTTON_STEPSIZE(gi->event.button);
15777
15778     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
15779     ei->current_change_page += step;
15780
15781     if (ei->current_change_page < 0)
15782       ei->current_change_page = 0;
15783     else if (ei->current_change_page >= ei->num_change_pages)
15784       ei->current_change_page = ei->num_change_pages - 1;
15785
15786     DrawPropertiesWindow();
15787   }
15788   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
15789            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15790   {
15791     struct ElementInfo *ei = &element_info[properties_element];
15792     int current_change_page = ei->current_change_page;
15793
15794     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
15795     {
15796       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
15797         ei->change_page[current_change_page];
15798     }
15799     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15800     {
15801       // when modifying custom element, ask for copying level template
15802       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15803         return;
15804
15805       ei->change_page[current_change_page] =
15806         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
15807
15808       level.changed = TRUE;
15809     }
15810
15811     DrawPropertiesWindow();
15812   }
15813 }
15814
15815 static void HandleRadiobuttons(struct GadgetInfo *gi)
15816 {
15817   int type_id = gi->custom_type_id;
15818
15819   *radiobutton_info[type_id].value =
15820     radiobutton_info[type_id].checked_value;
15821
15822   // do not mark level as modified for certain non-level-changing gadgets
15823   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
15824       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
15825     return;
15826
15827   level.changed = TRUE;
15828 }
15829
15830 static void HandleCheckbuttons(struct GadgetInfo *gi)
15831 {
15832   int type_id = gi->custom_type_id;
15833
15834   *checkbutton_info[type_id].value ^= TRUE;
15835
15836   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
15837       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
15838       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
15839       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
15840          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
15841         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
15842          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
15843        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
15844   {
15845     CopyElementPropertiesToGame(properties_element);
15846   }
15847
15848   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
15849   {
15850     UpdateCustomElementGraphicGadgets();
15851   }
15852   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
15853            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
15854   {
15855     boolean template_related_changes_found = FALSE;
15856     int i;
15857
15858     // check if any custom, group or empty elements have been changed
15859     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
15860       if ((IS_CUSTOM_ELEMENT(i) ||
15861            IS_GROUP_ELEMENT(i) ||
15862            IS_EMPTY_ELEMENT(i)) &&
15863           element_info[i].modified_settings)
15864         template_related_changes_found = TRUE;
15865
15866     if (level.use_custom_template &&
15867         !fileExists(getGlobalLevelTemplateFilename()))
15868     {
15869       Request("No level template found!", REQ_CONFIRM);
15870
15871       level.use_custom_template = FALSE;
15872
15873       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15874
15875       return;
15876     }
15877
15878     if (level.use_custom_template &&
15879         template_related_changes_found &&
15880         !Request("Discard changes and use level template?", REQ_ASK))
15881     {
15882       level.use_custom_template = FALSE;
15883
15884       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15885
15886       return;
15887     }
15888
15889     if (!level.use_custom_template &&
15890         Request("Copy settings from level template?", REQ_ASK))
15891     {
15892       return;
15893     }
15894
15895     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
15896
15897     DrawEditModeWindow();
15898   }
15899   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
15900   {
15901     if (setup.editor.use_template_for_new_levels &&
15902         !fileExists(getGlobalLevelTemplateFilename()))
15903     {
15904       Request("No level template found!", REQ_CONFIRM);
15905
15906       return;
15907     }
15908
15909     if (setup.editor.use_template_for_new_levels &&
15910         level.changed &&
15911         !Request("Discard level and load template?", REQ_ASK))
15912     {
15913       return;
15914     }
15915
15916     if (!setup.editor.use_template_for_new_levels &&
15917         level.changed &&
15918         !Request("Discard level and use empty level?", REQ_ASK))
15919     {
15920       return;
15921     }
15922
15923     LoadLevel(level_nr);
15924     LoadScore(level_nr);
15925
15926     TapeErase();
15927
15928     ResetUndoBuffer();
15929     DrawEditModeWindow();
15930   }
15931   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
15932   {
15933     SetAutomaticNumberOfGemsNeeded();
15934   }
15935
15936   // do not mark level as modified for certain non-level-changing gadgets
15937   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
15938        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
15939       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
15940        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
15941        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
15942       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
15943     return;
15944
15945   level.changed = TRUE;
15946 }
15947
15948 static void HandleControlButtons(struct GadgetInfo *gi)
15949 {
15950   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
15951   static int last_edit_mode = ED_MODE_DRAWING;
15952   static int last_custom_copy_mode = -1;
15953   static int last_button = 0;
15954   int id = gi->custom_id;
15955   int button = gi->event.button;
15956   int step = BUTTON_STEPSIZE(button);
15957   int new_element = BUTTON_ELEMENT(button);
15958   int last_properties_element = properties_element;
15959   int x, y;
15960
15961   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
15962     DrawLevelText(0, 0, 0, TEXT_END);
15963
15964   if (id < ED_NUM_CTRL1_BUTTONS &&
15965       id != GADGET_ID_SINGLE_ITEMS &&
15966       id != GADGET_ID_PICK_ELEMENT &&
15967       edit_mode != ED_MODE_DRAWING &&
15968       drawing_function != GADGET_ID_PICK_ELEMENT &&
15969       !(GetKeyModState() & KMOD_Control))
15970     ChangeEditModeWindow(ED_MODE_DRAWING);
15971
15972   // element copy mode active, but no element button pressed => deactivate
15973   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
15974     last_custom_copy_mode = -1;
15975
15976   // when showing palette on element buttons, change element of button used
15977   if (editor.palette.show_on_element_buttons &&
15978       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
15979   {
15980     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
15981
15982     id = GADGET_ID_PALETTE;
15983   }
15984
15985   switch (id)
15986   {
15987     case GADGET_ID_SCROLL_LEFT:
15988       if (level_xpos >= 0)
15989       {
15990         if (lev_fieldx < ed_fieldx - 2)
15991           break;
15992
15993         level_xpos -= step;
15994         if (level_xpos < -1)
15995           level_xpos = -1;
15996         if (button == 1)
15997           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
15998         else
15999           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16000
16001         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16002                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16003       }
16004       break;
16005
16006     case GADGET_ID_SCROLL_RIGHT:
16007       if (level_xpos <= lev_fieldx - ed_fieldx)
16008       {
16009         if (lev_fieldx < ed_fieldx - 2)
16010           break;
16011
16012         level_xpos += step;
16013         if (level_xpos > lev_fieldx - ed_fieldx + 1)
16014           level_xpos = lev_fieldx - ed_fieldx + 1;
16015         if (button == 1)
16016           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
16017         else
16018           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16019
16020         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16021                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16022       }
16023       break;
16024
16025     case GADGET_ID_SCROLL_UP:
16026       if (level_ypos >= 0)
16027       {
16028         if (lev_fieldy < ed_fieldy - 2)
16029           break;
16030
16031         level_ypos -= step;
16032         if (level_ypos < -1)
16033           level_ypos = -1;
16034         if (button == 1)
16035           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
16036         else
16037           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16038
16039         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16040                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16041       }
16042       break;
16043
16044     case GADGET_ID_SCROLL_DOWN:
16045       if (level_ypos <= lev_fieldy - ed_fieldy)
16046       {
16047         if (lev_fieldy < ed_fieldy - 2)
16048           break;
16049
16050         level_ypos += step;
16051         if (level_ypos > lev_fieldy - ed_fieldy + 1)
16052           level_ypos = lev_fieldy - ed_fieldy + 1;
16053         if (button == 1)
16054           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
16055         else
16056           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16057
16058         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16059                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16060       }
16061       break;
16062
16063     case GADGET_ID_SCROLL_HORIZONTAL:
16064       level_xpos = gi->event.item_position - 1;
16065
16066       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16067       BackToFront();
16068
16069       break;
16070
16071     case GADGET_ID_SCROLL_VERTICAL:
16072       level_ypos = gi->event.item_position - 1;
16073
16074       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16075       BackToFront();
16076
16077       break;
16078
16079     case GADGET_ID_SCROLL_LIST_UP:
16080     case GADGET_ID_SCROLL_LIST_DOWN:
16081     case GADGET_ID_SCROLL_LIST_VERTICAL:
16082       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
16083         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
16084       else
16085       {
16086         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
16087         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16088
16089         if (element_shift < 0)
16090           element_shift = 0;
16091         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16092           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16093
16094         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16095                      GDI_SCROLLBAR_ITEM_POSITION,
16096                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16097       }
16098
16099       ModifyEditorElementList();
16100
16101       break;
16102
16103     case GADGET_ID_PROPERTIES:
16104       // always switch off element properties when they are already displayed
16105       last_properties_element = new_element;
16106     case GADGET_ID_ELEMENT_LEFT:
16107     case GADGET_ID_ELEMENT_MIDDLE:
16108     case GADGET_ID_ELEMENT_RIGHT:
16109       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
16110                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
16111                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
16112                             new_element);
16113
16114       if (edit_mode != ED_MODE_PROPERTIES)
16115       {
16116         last_edit_mode = edit_mode;
16117
16118         ChangeEditModeWindow(ED_MODE_PROPERTIES);
16119
16120         last_level_drawing_function = drawing_function;
16121         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
16122                       MB_LEFTBUTTON);
16123       }
16124       else if (properties_element != last_properties_element)
16125       {
16126         DrawEditModeWindow();
16127       }
16128       else
16129       {
16130         ChangeEditModeWindow(ED_MODE_DRAWING);
16131
16132         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
16133                       MB_LEFTBUTTON);
16134       }
16135       break;
16136
16137     case GADGET_ID_PALETTE:
16138       if (edit_mode != ED_MODE_PALETTE)
16139       {
16140         last_edit_mode = edit_mode;
16141
16142         ChangeEditModeWindow(ED_MODE_PALETTE);
16143       }
16144       else
16145       {
16146         ChangeEditModeWindow(last_edit_mode);
16147       }
16148       break;
16149
16150     case GADGET_ID_WRAP_LEFT:
16151       WrapLevel(-step, 0);
16152       break;
16153
16154     case GADGET_ID_WRAP_RIGHT:
16155       WrapLevel(step, 0);
16156       break;
16157
16158     case GADGET_ID_WRAP_UP:
16159       WrapLevel(0, -step);
16160       break;
16161
16162     case GADGET_ID_WRAP_DOWN:
16163       WrapLevel(0, step);
16164       break;
16165
16166     case GADGET_ID_SINGLE_ITEMS:
16167     case GADGET_ID_CONNECTED_ITEMS:
16168     case GADGET_ID_LINE:
16169     case GADGET_ID_ARC:
16170     case GADGET_ID_TEXT:
16171     case GADGET_ID_RECTANGLE:
16172     case GADGET_ID_FILLED_BOX:
16173     case GADGET_ID_FLOOD_FILL:
16174     case GADGET_ID_GRAB_BRUSH:
16175     case GADGET_ID_PICK_ELEMENT:
16176       if (drawing_function != GADGET_ID_PICK_ELEMENT)
16177         last_drawing_function = drawing_function;
16178       drawing_function = id;
16179       draw_with_brush = FALSE;
16180       break;
16181
16182     case GADGET_ID_RANDOM_PLACEMENT:
16183       RandomPlacement(new_element);
16184       break;
16185
16186     case GADGET_ID_ZOOM:
16187       // zoom level editor tile size in or out (or reset to default size)
16188       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
16189                      button == 2 ? ed_tilesize_default :
16190                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
16191
16192       // when using touch device, cycle through all zoom tilesizes
16193       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
16194         ed_tilesize = MICRO_TILESIZE;
16195
16196       // limit zoom level by upper and lower bound
16197       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
16198
16199       InitZoomLevelSettings(ed_tilesize);
16200
16201       if (edit_mode == ED_MODE_DRAWING)
16202       {
16203         DrawDrawingWindow();
16204
16205         // redraw zoom gadget info text
16206         PrintEditorGadgetInfoText(level_editor_gadget[id]);
16207       }
16208
16209       // save current editor zoom tilesize
16210       SaveSetup_AutoSetup();
16211
16212       break;
16213
16214     case GADGET_ID_CUSTOM_COPY_FROM:
16215     case GADGET_ID_CUSTOM_COPY_TO:
16216     case GADGET_ID_CUSTOM_EXCHANGE:
16217       last_custom_copy_mode = id;
16218       last_drawing_function = drawing_function;
16219       break;
16220
16221     case GADGET_ID_CUSTOM_COPY:
16222       CopyCustomElement(properties_element, -1, id);
16223       break;
16224
16225     case GADGET_ID_CUSTOM_PASTE:
16226       CopyCustomElement(-1, properties_element, id);
16227       break;
16228
16229     case GADGET_ID_UNDO:
16230       if (button < 0)   // keep button value (even if modifier keys are pressed)
16231         button = -button;
16232       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
16233         button = 3;
16234
16235       if (button == 1 && undo_buffer_steps == 0)
16236       {
16237         Request("Undo buffer empty!", REQ_CONFIRM);
16238
16239         break;
16240       }
16241       else if (button == 2)
16242       {
16243         break;
16244       }
16245       else if (button == 3 && redo_buffer_steps == 0)
16246       {
16247         Request("Redo buffer empty!", REQ_CONFIRM);
16248
16249         break;
16250       }
16251
16252       if (edit_mode != ED_MODE_DRAWING)
16253         ChangeEditModeWindow(ED_MODE_DRAWING);
16254
16255       if (button == 1)
16256       {
16257         // undo
16258
16259         undo_buffer_position =
16260           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
16261
16262         undo_buffer_steps--;
16263         redo_buffer_steps++;
16264       }
16265       else
16266       {
16267         // redo
16268
16269         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
16270
16271         undo_buffer_steps++;
16272         redo_buffer_steps--;
16273       }
16274
16275       for (x = 0; x < lev_fieldx; x++)
16276         for (y = 0; y < lev_fieldy; y++)
16277           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
16278
16279       // check if undo operation forces change of border style
16280       CheckLevelBorderElement(FALSE);
16281
16282       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16283
16284       break;
16285
16286     case GADGET_ID_CONF:
16287       if (edit_mode != ED_MODE_LEVELCONFIG)
16288       {
16289         last_edit_mode = edit_mode;
16290
16291         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
16292       }
16293       else
16294       {
16295         ChangeEditModeWindow(ED_MODE_DRAWING);
16296       }
16297       break;
16298
16299     case GADGET_ID_CLEAR:
16300       if (edit_mode != ED_MODE_DRAWING)
16301         ChangeEditModeWindow(ED_MODE_DRAWING);
16302
16303       for (x = 0; x < MAX_LEV_FIELDX; x++)
16304         for (y = 0; y < MAX_LEV_FIELDY; y++)
16305           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
16306
16307       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
16308
16309       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16310       break;
16311
16312     case GADGET_ID_SAVE:
16313     {
16314       // saving read-only levels into personal level set modifies global vars
16315       // "leveldir_current" and "level_nr"; restore them after saving level
16316       LevelDirTree *leveldir_former = leveldir_current;
16317       int level_nr_former = level_nr;
16318       char *level_filename;
16319       boolean new_level;
16320
16321       if (leveldir_current->readonly &&
16322           !PrepareSavingIntoPersonalLevelSet())
16323         break;
16324
16325       level_filename = getDefaultLevelFilename(level_nr);
16326       new_level = !fileExists(level_filename);
16327
16328       if (new_level ||
16329           Request("Save this level and kill the old?", REQ_ASK))
16330       {
16331         if (leveldir_former->readonly)
16332           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
16333
16334         SetAutomaticNumberOfGemsNeeded();
16335
16336         CopyPlayfield(Tile, level.field);
16337         SaveLevel(level_nr);
16338
16339         level.changed = FALSE;
16340
16341         if (new_level)
16342         {
16343           char level_saved_msg[64];
16344
16345           if (leveldir_former->readonly)
16346             sprintf(level_saved_msg,
16347                     "Level saved as level %d into personal level set!",
16348                     level_nr);
16349           else
16350             strcpy(level_saved_msg, "Level saved!");
16351
16352           Request(level_saved_msg, REQ_CONFIRM);
16353         }
16354       }
16355
16356       // "cd" back to copied-from levelset (in case of saved read-only level)
16357       leveldir_current = leveldir_former;
16358       level_nr = level_nr_former;
16359
16360       break;
16361     }
16362
16363     case GADGET_ID_TEST:
16364       if (LevelChanged())
16365         level.game_version = GAME_VERSION_ACTUAL;
16366
16367       CopyPlayfield(level.field, TileBackup);
16368       CopyPlayfield(Tile, level.field);
16369
16370       CopyNativeLevel_RND_to_Native(&level);
16371
16372       UnmapLevelEditorGadgets();
16373       UndrawSpecialEditorDoor();
16374
16375       CloseDoor(DOOR_CLOSE_ALL);
16376
16377       // needed before playing if editor playfield area has different size
16378       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
16379
16380       // redraw_mask = REDRAW_ALL;
16381
16382       level_editor_test_game = TRUE;
16383
16384       StartGameActions(FALSE, setup.autorecord, level.random_seed);
16385
16386       break;
16387
16388     case GADGET_ID_EXIT:
16389       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
16390       break;
16391
16392     default:
16393       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
16394           id <= GADGET_ID_ELEMENTLIST_LAST)
16395       {
16396         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
16397
16398         new_element = editor_elements[element_position + element_shift];
16399
16400         if (IS_EDITOR_CASCADE(new_element))
16401         {
16402           int i;
16403
16404           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
16405           {
16406             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
16407             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
16408
16409             if (*cascade_element == new_element)
16410             {
16411               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
16412               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
16413
16414               // update element selection list
16415               ReinitializeElementList();
16416               ModifyEditorElementList();
16417
16418               // update cascading gadget info text
16419               PrintEditorGadgetInfoText(level_editor_gadget[id]);
16420
16421               // save current editor cascading state
16422               SaveSetup_EditorCascade();
16423
16424               break;
16425             }
16426           }
16427
16428           break;
16429         }
16430
16431         if (last_custom_copy_mode != -1)
16432         {
16433           if (CopyCustomElement(properties_element, new_element,
16434                                 last_custom_copy_mode))
16435           {
16436             ClickOnGadget(level_editor_gadget[last_drawing_function],
16437                           MB_LEFTBUTTON);
16438
16439             last_custom_copy_mode = -1;
16440           }
16441
16442           break;
16443         }
16444
16445         // change element of button used to show palette
16446         if (editor.palette.show_on_element_buttons)
16447           button = last_button;
16448
16449         PickDrawingElement(button, new_element);
16450
16451         if (!stick_element_properties_window &&
16452             drawing_function != GADGET_ID_PICK_ELEMENT &&
16453             !(GetKeyModState() & KMOD_Control))
16454         {
16455           properties_element = new_element;
16456           if (edit_mode == ED_MODE_PROPERTIES)
16457             DrawPropertiesWindow();
16458         }
16459
16460         if (drawing_function == GADGET_ID_PICK_ELEMENT)
16461           ClickOnGadget(level_editor_gadget[last_drawing_function],
16462                         MB_LEFTBUTTON);
16463
16464         if (!use_permanent_palette)
16465           ChangeEditModeWindow(last_edit_mode);
16466       }
16467 #ifdef DEBUG
16468       else if (gi->event.type == GD_EVENT_PRESSED)
16469         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
16470       else if (gi->event.type == GD_EVENT_RELEASED)
16471         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
16472       else if (gi->event.type == GD_EVENT_MOVING)
16473         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
16474       else
16475         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
16476 #endif
16477       break;
16478   }
16479 }
16480
16481 void HandleLevelEditorKeyInput(Key key)
16482 {
16483   char letter = getCharFromKey(key);
16484
16485   if (drawing_function == GADGET_ID_TEXT &&
16486       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
16487   {
16488     if (letter)
16489       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
16490     else if (key == KSYM_Delete || key == KSYM_BackSpace)
16491       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
16492     else if (key == KSYM_Return)
16493       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
16494     else if (key == KSYM_Escape)
16495       DrawLevelText(0, 0, 0, TEXT_END);
16496
16497     return;
16498   }
16499
16500   int id = GADGET_ID_NONE;
16501   int new_element_shift = element_shift;
16502   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
16503   int button = MB_LEFTBUTTON;
16504   int i;
16505
16506   switch (key)
16507   {
16508     case KSYM_Left:
16509       id = GADGET_ID_SCROLL_LEFT;
16510       break;
16511     case KSYM_Right:
16512       id = GADGET_ID_SCROLL_RIGHT;
16513       break;
16514     case KSYM_Up:
16515       id = GADGET_ID_SCROLL_UP;
16516       break;
16517     case KSYM_Down:
16518       id = GADGET_ID_SCROLL_DOWN;
16519       break;
16520
16521     case KSYM_Page_Up:
16522     case KSYM_Page_Down:
16523       step *= (key == KSYM_Page_Up ? -1 : +1);
16524       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16525
16526       if (element_shift < 0)
16527         element_shift = 0;
16528       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16529         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16530
16531       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16532                    GDI_SCROLLBAR_ITEM_POSITION,
16533                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16534
16535       ModifyEditorElementList();
16536
16537       break;
16538
16539     case KSYM_Home:
16540     case KSYM_End:
16541       element_shift = (key == KSYM_Home ? 0 :
16542                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
16543
16544       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16545                    GDI_SCROLLBAR_ITEM_POSITION,
16546                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16547
16548       ModifyEditorElementList();
16549
16550       break;
16551
16552     case KSYM_Insert:
16553     case KSYM_Delete:
16554
16555       // this is needed to prevent interference with running "True X-Mouse"
16556       if (GetKeyModStateFromEvents() & KMOD_Control)
16557         break;
16558
16559       // check for last or next editor cascade block in element list
16560       for (i = 0; i < num_editor_elements; i++)
16561       {
16562         if ((key == KSYM_Insert && i == element_shift) ||
16563             (key == KSYM_Delete && new_element_shift > element_shift))
16564           break;
16565
16566         // jump to next cascade block (or to start of element list)
16567         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
16568           new_element_shift = i;
16569       }
16570
16571       if (i < num_editor_elements)
16572         element_shift = new_element_shift;
16573
16574       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16575         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16576
16577       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16578                    GDI_SCROLLBAR_ITEM_POSITION,
16579                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16580
16581       ModifyEditorElementList();
16582
16583       break;
16584
16585     case KSYM_Escape:
16586       if (edit_mode == ED_MODE_DRAWING)
16587         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
16588       else if (edit_mode == ED_MODE_LEVELCONFIG)
16589         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
16590       else if (edit_mode == ED_MODE_PROPERTIES)
16591         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
16592       else if (edit_mode == ED_MODE_PALETTE)
16593         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
16594       else              // should never happen
16595         ChangeEditModeWindow(ED_MODE_DRAWING);
16596
16597       break;
16598
16599     default:
16600       break;
16601   }
16602
16603   if (id != GADGET_ID_NONE)
16604     ClickOnGadget(level_editor_gadget[id], button);
16605   else if (letter == '1' || letter == '?')
16606     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
16607   else if (letter == '2')
16608     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
16609   else if (letter == '3')
16610     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
16611   else if (letter == '.')
16612     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
16613   else if (letter == 'U')
16614     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
16615   else if (letter == '-' || key == KSYM_KP_Subtract)
16616     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
16617   else if (letter == '0' || key == KSYM_KP_0)
16618     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
16619   else if (letter == '+' || key == KSYM_KP_Add ||
16620            letter == '=')       // ("Shift-=" is "+" on US keyboards)
16621     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
16622   else if (key == KSYM_Return ||
16623            key == KSYM_space ||
16624            key == setup.shortcut.toggle_pause)
16625     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
16626   else
16627     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
16628       if (letter && letter == controlbutton_info[i].shortcut)
16629         if (!anyTextGadgetActive())
16630           ClickOnGadget(level_editor_gadget[i], button);
16631
16632   if (draw_with_brush)
16633   {
16634     if (letter == 'x')
16635       FlipBrushX();
16636     else if (letter == 'y')
16637       FlipBrushY();
16638     else if (letter == 'z')
16639       RotateBrush();
16640   }
16641 }
16642
16643 static void HandleLevelEditorIdle_Properties(void)
16644 {
16645   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
16646   int x = editor.settings.element_graphic.x + element_border;
16647   int y = editor.settings.element_graphic.y + element_border;
16648   static DelayCounter action_delay = { 0 };
16649   int i;
16650
16651   action_delay.value = GameFrameDelay;
16652
16653   if (!DelayReached(&action_delay))
16654     return;
16655
16656   for (i = 0; i < ED_NUM_SELECTBOX; i++)
16657   {
16658     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
16659
16660     if (gi->mapped && gi->active && gi->selectbox.open)
16661       return;
16662   }
16663
16664   DrawEditorElementAnimation(SX + x, SY + y);
16665
16666   redraw_mask |= REDRAW_FIELD;
16667
16668   FrameCounter++;       // increase animation frame counter
16669 }
16670
16671 static void HandleLevelEditorIdle_Drawing(void)
16672 {
16673   static boolean last_highlighted = FALSE;
16674   static boolean last_highlighted_similar = FALSE;
16675   boolean highlighted = (GetKeyModState() & KMOD_Alt);
16676   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
16677
16678   if (highlighted != last_highlighted ||
16679       (highlighted && highlighted_similar != last_highlighted_similar))
16680   {
16681     DrawAreaElementHighlight(highlighted, highlighted_similar);
16682
16683     redraw_mask |= REDRAW_FIELD;
16684   }
16685
16686   last_highlighted = highlighted;
16687   last_highlighted_similar = highlighted_similar;
16688 }
16689
16690 void HandleLevelEditorIdle(void)
16691 {
16692   if (edit_mode == ED_MODE_PROPERTIES)
16693     HandleLevelEditorIdle_Properties();
16694   else if (edit_mode == ED_MODE_DRAWING)
16695     HandleLevelEditorIdle_Drawing();
16696 }
16697
16698 static void ClearEditorGadgetInfoText(void)
16699 {
16700   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
16701 }
16702
16703 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
16704 {
16705   char infotext[MAX_OUTPUT_LINESIZE + 1];
16706   int max_infotext_len = getMaxInfoTextLength();
16707
16708   if (gi == NULL || strlen(gi->info_text) == 0)
16709     return;
16710
16711   strncpy(infotext, gi->info_text, max_infotext_len);
16712   infotext[max_infotext_len] = '\0';
16713
16714   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
16715   {
16716     int key = controlbutton_info[gi->custom_id].shortcut;
16717
16718     if (key)
16719     {
16720       char shortcut[MAX_OUTPUT_LINESIZE + 1];
16721
16722       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
16723         sprintf(shortcut, " ('.' or '%c')", key);
16724       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
16725         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
16726       else if (gi->custom_id == GADGET_ID_TEST)
16727         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
16728       else if (gi->custom_id == GADGET_ID_UNDO)
16729         sprintf(shortcut, " ('%c/Shift-U')", key);
16730       else if (gi->custom_id == GADGET_ID_ZOOM)
16731         sprintf(shortcut, " ('%c', '0', '-')", key);
16732       else
16733         sprintf(shortcut, " ('%s%c')",
16734                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
16735
16736       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
16737         strcat(infotext, shortcut);
16738     }
16739   }
16740
16741   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
16742 }
16743
16744 void HandleEditorGadgetInfoText(void *ptr)
16745 {
16746   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
16747
16748   if (game_status != GAME_MODE_EDITOR)
16749     return;
16750
16751   ClearEditorGadgetInfoText();
16752
16753   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
16754     return;
16755
16756   // misuse this function to delete brush cursor, if needed
16757   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
16758     DeleteBrushFromCursor();
16759
16760   PrintEditorGadgetInfoText(gi);
16761 }
16762
16763 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
16764 {
16765   int id = gi->custom_id;
16766   int type_id = gi->custom_type_id;
16767   int sx = gi->event.x;
16768   int sy = gi->event.y;
16769   int lx = sx + level_xpos;
16770   int ly = sy + level_ypos;
16771   int min_sx = 0, min_sy = 0;
16772   int max_sx = gi->drawing.area_xsize - 1;
16773   int max_sy = gi->drawing.area_ysize - 1;
16774   int actual_drawing_function = drawing_function;
16775   int max_infotext_len = getMaxInfoTextLength();
16776   char infotext[MAX_OUTPUT_LINESIZE + 1];
16777
16778   infotext[0] = '\0';           // start with empty info text
16779
16780   // pressed Control key: simulate picking element
16781   if (GetKeyModState() & KMOD_Control)
16782     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
16783
16784   ClearEditorGadgetInfoText();
16785
16786   if (gi->event.type == GD_EVENT_INFO_LEAVING)
16787     return;
16788
16789   // make sure to stay inside drawing area boundaries
16790   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
16791   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
16792
16793   if (id == GADGET_ID_DRAWING_LEVEL)
16794   {
16795     if (button_status)
16796     {
16797       int min_lx = 0, min_ly = 0;
16798       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
16799
16800       // get positions inside level field
16801       lx = sx + level_xpos;
16802       ly = sy + level_ypos;
16803
16804       // make sure to stay inside level field boundaries
16805       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
16806       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
16807
16808       // correct drawing area positions accordingly
16809       sx = lx - level_xpos;
16810       sy = ly - level_ypos;
16811     }
16812
16813     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16814     {
16815       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
16816       {
16817         static int start_lx = 0;
16818         static int start_ly = 0;
16819         char *text;
16820
16821         if (gi->event.type == GD_EVENT_PRESSED)
16822         {
16823           start_lx = lx;
16824           start_ly = ly;
16825         }
16826
16827         switch (actual_drawing_function)
16828         {
16829           case GADGET_ID_SINGLE_ITEMS:
16830             text = "Drawing single items";
16831             break;
16832           case GADGET_ID_CONNECTED_ITEMS:
16833             text = "Drawing connected items";
16834             break;
16835           case GADGET_ID_LINE:
16836             text = "Drawing line";
16837             break;
16838           case GADGET_ID_ARC:
16839             text = "Drawing arc";
16840             break;
16841           case GADGET_ID_TEXT:
16842             text = "Setting text cursor";
16843             break;
16844           case GADGET_ID_RECTANGLE:
16845             text = "Drawing rectangle";
16846             break;
16847           case GADGET_ID_FILLED_BOX:
16848             text = "Drawing filled box";
16849             break;
16850           case GADGET_ID_FLOOD_FILL:
16851             text = "Flood fill";
16852             break;
16853           case GADGET_ID_GRAB_BRUSH:
16854             text = "Grabbing brush";
16855             break;
16856           case GADGET_ID_PICK_ELEMENT:
16857             text = "Picking element";
16858             break;
16859
16860           default:
16861             text = "Drawing position";
16862             break;
16863         }
16864
16865         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16866           sprintf(infotext, "%s: %d, %d", text, lx, ly);
16867         else
16868           sprintf(infotext, "%s: %d, %d", text,
16869                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
16870       }
16871       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16872         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
16873       else
16874         sprintf(infotext, "Level position: %d, %d", lx, ly);
16875     }
16876
16877     // misuse this function to draw brush cursor, if needed
16878     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
16879     {
16880       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16881         CopyBrushToCursor(sx, sy);
16882       else
16883         DeleteBrushFromCursor();
16884     }
16885
16886     if (!draw_with_brush)
16887       UpdateBrushPosition(sx, sy);
16888   }
16889   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16890   {
16891     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16892     int element = drawingarea_info[type_id].value[pos];
16893
16894     strncpy(infotext, getElementInfoText(element), max_infotext_len);
16895   }
16896   else
16897   {
16898     if (id == GADGET_ID_CUSTOM_CONTENT)
16899       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
16900     else if (id == GADGET_ID_GROUP_CONTENT)
16901       sprintf(infotext, "group element position: %d", sx + 1);
16902     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
16903              id <= GADGET_ID_YAMYAM_CONTENT_7)
16904       sprintf(infotext, "content area %d position: %d, %d",
16905               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
16906     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
16907              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
16908       sprintf(infotext, "content area %d position: %d, %d",
16909               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
16910     else if (id == GADGET_ID_ANDROID_CONTENT)
16911       sprintf(infotext, "android element position: %d", sx + 1);
16912     else if (drawingarea_info[type_id].infotext != NULL)
16913       strcpy(infotext, drawingarea_info[type_id].infotext);
16914   }
16915
16916   infotext[max_infotext_len] = '\0';
16917
16918   if (strlen(infotext) > 0)
16919     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
16920 }
16921
16922 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
16923                             boolean quick_quit)
16924 {
16925   if (!ask_if_level_has_changed ||
16926       !LevelChanged() ||
16927       Request("Level has changed! Exit without saving?",
16928               REQ_ASK | REQ_STAY_OPEN))
16929   {
16930     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
16931     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
16932
16933     // draw normal door
16934     UndrawSpecialEditorDoor();
16935
16936     // use door animation if door 1 viewport is unchanged and contains toolbox
16937     if (useEditorDoorAnimation())
16938       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
16939
16940     // close editor doors if viewport definition is the same as in main menu
16941     if (vp_door_1->x      == DX     &&
16942         vp_door_1->y      == DY     &&
16943         vp_door_1->width  == DXSIZE &&
16944         vp_door_1->height == DYSIZE &&
16945         vp_door_2->x      == VX     &&
16946         vp_door_2->y      == VY     &&
16947         vp_door_2->width  == VXSIZE &&
16948         vp_door_2->height == VYSIZE)
16949       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
16950     else
16951       SetDoorState(DOOR_CLOSE_ALL);
16952
16953     BackToFront();
16954
16955     if (quick_quit)
16956       FadeSkipNextFadeIn();
16957
16958     SetGameStatus(GAME_MODE_MAIN);
16959
16960     DrawMainMenu();
16961   }
16962   else
16963   {
16964     if (!global.use_envelope_request)
16965     {
16966       CloseDoor(DOOR_CLOSE_1);
16967       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
16968     }
16969   }
16970 }