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_INFO,
 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_ELEMENT_VALUE1_DOWN,
 433   GADGET_ID_ELEMENT_VALUE1_TEXT,
 434   GADGET_ID_ELEMENT_VALUE1_UP,
 435   GADGET_ID_ELEMENT_VALUE2_DOWN,
 436   GADGET_ID_ELEMENT_VALUE2_TEXT,
 437   GADGET_ID_ELEMENT_VALUE2_UP,
 438   GADGET_ID_ELEMENT_VALUE3_DOWN,
 439   GADGET_ID_ELEMENT_VALUE3_TEXT,
 440   GADGET_ID_ELEMENT_VALUE3_UP,
 441   GADGET_ID_ELEMENT_VALUE4_DOWN,
 442   GADGET_ID_ELEMENT_VALUE4_TEXT,
 443   GADGET_ID_ELEMENT_VALUE4_UP,
 444   GADGET_ID_YAMYAM_CONTENT_DOWN,
 445   GADGET_ID_YAMYAM_CONTENT_TEXT,
 446   GADGET_ID_YAMYAM_CONTENT_UP,
 447   GADGET_ID_BALL_CONTENT_DOWN,
 448   GADGET_ID_BALL_CONTENT_TEXT,
 449   GADGET_ID_BALL_CONTENT_UP,
 450   GADGET_ID_ANDROID_CONTENT_DOWN,
 451   GADGET_ID_ANDROID_CONTENT_TEXT,
 452   GADGET_ID_ANDROID_CONTENT_UP,
 453   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 454   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 455   GADGET_ID_ENVELOPE_XSIZE_UP,
 456   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 457   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 458   GADGET_ID_ENVELOPE_YSIZE_UP,
 459   GADGET_ID_INVENTORY_SIZE_DOWN,
 460   GADGET_ID_INVENTORY_SIZE_TEXT,
 461   GADGET_ID_INVENTORY_SIZE_UP,
 462   GADGET_ID_CUSTOM_SCORE_DOWN,
 463   GADGET_ID_CUSTOM_SCORE_TEXT,
 464   GADGET_ID_CUSTOM_SCORE_UP,
 465   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 466   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 467   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 468   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 469   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 470   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 471   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 472   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 473   GADGET_ID_CUSTOM_VALUE_RND_UP,
 474   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 475   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 476   GADGET_ID_PUSH_DELAY_FIX_UP,
 477   GADGET_ID_PUSH_DELAY_RND_DOWN,
 478   GADGET_ID_PUSH_DELAY_RND_TEXT,
 479   GADGET_ID_PUSH_DELAY_RND_UP,
 480   GADGET_ID_DROP_DELAY_FIX_DOWN,
 481   GADGET_ID_DROP_DELAY_FIX_TEXT,
 482   GADGET_ID_DROP_DELAY_FIX_UP,
 483   GADGET_ID_DROP_DELAY_RND_DOWN,
 484   GADGET_ID_DROP_DELAY_RND_TEXT,
 485   GADGET_ID_DROP_DELAY_RND_UP,
 486   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 487   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 488   GADGET_ID_MOVE_DELAY_FIX_UP,
 489   GADGET_ID_MOVE_DELAY_RND_DOWN,
 490   GADGET_ID_MOVE_DELAY_RND_TEXT,
 491   GADGET_ID_MOVE_DELAY_RND_UP,
 492   GADGET_ID_EXPLOSION_DELAY_DOWN,
 493   GADGET_ID_EXPLOSION_DELAY_TEXT,
 494   GADGET_ID_EXPLOSION_DELAY_UP,
 495   GADGET_ID_IGNITION_DELAY_DOWN,
 496   GADGET_ID_IGNITION_DELAY_TEXT,
 497   GADGET_ID_IGNITION_DELAY_UP,
 498   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 499   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 500   GADGET_ID_CHANGE_DELAY_FIX_UP,
 501   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 502   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 503   GADGET_ID_CHANGE_DELAY_RND_UP,
 504   GADGET_ID_CHANGE_CONT_RND_DOWN,
 505   GADGET_ID_CHANGE_CONT_RND_TEXT,
 506   GADGET_ID_CHANGE_CONT_RND_UP,
 507   GADGET_ID_GROUP_CONTENT_DOWN,
 508   GADGET_ID_GROUP_CONTENT_TEXT,
 509   GADGET_ID_GROUP_CONTENT_UP,
 510
 511   // drawing area identifiers
 512
 513   GADGET_ID_DRAWING_LEVEL,
 514   GADGET_ID_YAMYAM_CONTENT_0,
 515   GADGET_ID_YAMYAM_CONTENT_1,
 516   GADGET_ID_YAMYAM_CONTENT_2,
 517   GADGET_ID_YAMYAM_CONTENT_3,
 518   GADGET_ID_YAMYAM_CONTENT_4,
 519   GADGET_ID_YAMYAM_CONTENT_5,
 520   GADGET_ID_YAMYAM_CONTENT_6,
 521   GADGET_ID_YAMYAM_CONTENT_7,
 522   GADGET_ID_MAGIC_BALL_CONTENT_0,
 523   GADGET_ID_MAGIC_BALL_CONTENT_1,
 524   GADGET_ID_MAGIC_BALL_CONTENT_2,
 525   GADGET_ID_MAGIC_BALL_CONTENT_3,
 526   GADGET_ID_MAGIC_BALL_CONTENT_4,
 527   GADGET_ID_MAGIC_BALL_CONTENT_5,
 528   GADGET_ID_MAGIC_BALL_CONTENT_6,
 529   GADGET_ID_MAGIC_BALL_CONTENT_7,
 530   GADGET_ID_ANDROID_CONTENT,
 531   GADGET_ID_AMOEBA_CONTENT,
 532   GADGET_ID_START_ELEMENT,
 533   GADGET_ID_ARTWORK_ELEMENT,
 534   GADGET_ID_EXPLOSION_ELEMENT,
 535   GADGET_ID_INVENTORY_CONTENT,
 536   GADGET_ID_CUSTOM_GRAPHIC,
 537   GADGET_ID_CUSTOM_CONTENT,
 538   GADGET_ID_CUSTOM_MOVE_ENTER,
 539   GADGET_ID_CUSTOM_MOVE_LEAVE,
 540   GADGET_ID_CUSTOM_CHANGE_TARGET,
 541   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 542   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 543   GADGET_ID_CUSTOM_CHANGE_ACTION,
 544   GADGET_ID_GROUP_CONTENT,
 545   GADGET_ID_RANDOM_BACKGROUND,
 546
 547   // text input identifiers
 548
 549   GADGET_ID_LEVEL_NAME,
 550   GADGET_ID_LEVEL_AUTHOR,
 551   GADGET_ID_LEVELSET_NAME,
 552   GADGET_ID_LEVELSET_AUTHOR,
 553   GADGET_ID_ELEMENT_NAME,
 554
 555   // text area identifiers
 556
 557   GADGET_ID_ENVELOPE_INFO,
 558
 559   // selectbox identifiers
 560
 561   GADGET_ID_TIME_OR_STEPS,
 562   GADGET_ID_TIME_SCORE_BASE,
 563   GADGET_ID_GAME_ENGINE_TYPE,
 564   GADGET_ID_LEVELSET_SAVE_MODE,
 565   GADGET_ID_WIND_DIRECTION,
 566   GADGET_ID_PLAYER_SPEED,
 567   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 568   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 569   GADGET_ID_CUSTOM_DEADLINESS,
 570   GADGET_ID_CUSTOM_MOVE_PATTERN,
 571   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 572   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 573   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 574   GADGET_ID_CUSTOM_SMASH_TARGETS,
 575   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 576   GADGET_ID_CUSTOM_ACCESS_TYPE,
 577   GADGET_ID_CUSTOM_ACCESS_LAYER,
 578   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 579   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 580   GADGET_ID_CHANGE_TIME_UNITS,
 581   GADGET_ID_CHANGE_DIRECT_ACTION,
 582   GADGET_ID_CHANGE_OTHER_ACTION,
 583   GADGET_ID_CHANGE_SIDE,
 584   GADGET_ID_CHANGE_PLAYER,
 585   GADGET_ID_CHANGE_PAGE,
 586   GADGET_ID_CHANGE_REPLACE_WHEN,
 587   GADGET_ID_ACTION_TYPE,
 588   GADGET_ID_ACTION_MODE,
 589   GADGET_ID_ACTION_ARG,
 590   GADGET_ID_SELECT_CHANGE_PAGE,
 591   GADGET_ID_GROUP_CHOICE_MODE,
 592
 593   // textbutton identifiers
 594
 595   GADGET_ID_LEVELINFO_LEVEL,
 596   GADGET_ID_LEVELINFO_LEVELSET,
 597   GADGET_ID_LEVELINFO_EDITOR,
 598   GADGET_ID_PROPERTIES_INFO,
 599   GADGET_ID_PROPERTIES_CONFIG,
 600   GADGET_ID_PROPERTIES_CONFIG_1,
 601   GADGET_ID_PROPERTIES_CONFIG_2,
 602   GADGET_ID_PROPERTIES_CHANGE,
 603   GADGET_ID_SAVE_AS_TEMPLATE_1,
 604   GADGET_ID_SAVE_AS_TEMPLATE_2,
 605   GADGET_ID_SAVE_LEVELSET,
 606   GADGET_ID_ADD_CHANGE_PAGE,
 607   GADGET_ID_DEL_CHANGE_PAGE,
 608
 609   // graphicbutton identifiers
 610
 611   GADGET_ID_PREV_CHANGE_PAGE,
 612   GADGET_ID_NEXT_CHANGE_PAGE,
 613   GADGET_ID_COPY_CHANGE_PAGE,
 614   GADGET_ID_PASTE_CHANGE_PAGE,
 615
 616   // gadgets for scrolling of drawing area
 617
 618   GADGET_ID_SCROLL_UP,
 619   GADGET_ID_SCROLL_DOWN,
 620   GADGET_ID_SCROLL_LEFT,
 621   GADGET_ID_SCROLL_RIGHT,
 622   GADGET_ID_SCROLL_HORIZONTAL,
 623   GADGET_ID_SCROLL_VERTICAL,
 624
 625   // gadgets for scrolling element list
 626
 627   GADGET_ID_SCROLL_LIST_UP,
 628   GADGET_ID_SCROLL_LIST_DOWN,
 629   GADGET_ID_SCROLL_LIST_VERTICAL,
 630
 631   // checkbuttons/radiobuttons for level/element properties
 632
 633   GADGET_ID_AUTO_COUNT_GEMS,
 634   GADGET_ID_USE_LEVELSET_ARTWORK,
 635   GADGET_ID_COPY_LEVEL_TEMPLATE,
 636   GADGET_ID_RANDOM_PERCENTAGE,
 637   GADGET_ID_RANDOM_QUANTITY,
 638   GADGET_ID_RANDOM_RESTRICTED,
 639   GADGET_ID_STICK_ELEMENT,
 640   GADGET_ID_EM_SLIPPERY_GEMS,
 641   GADGET_ID_EM_EXPLODES_BY_FIRE,
 642   GADGET_ID_USE_SPRING_BUG,
 643   GADGET_ID_USE_TIME_ORB_BUG,
 644   GADGET_ID_USE_LIFE_BUGS,
 645   GADGET_ID_RANDOM_BALL_CONTENT,
 646   GADGET_ID_INITIAL_BALL_ACTIVE,
 647   GADGET_ID_GROW_INTO_DIGGABLE,
 648   GADGET_ID_SB_FIELDS_NEEDED,
 649   GADGET_ID_SB_OBJECTS_NEEDED,
 650   GADGET_ID_AUTO_EXIT_SOKOBAN,
 651   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 652   GADGET_ID_FINISH_DIG_COLLECT,
 653   GADGET_ID_CONTINUOUS_SNAPPING,
 654   GADGET_ID_BLOCK_SNAP_FIELD,
 655   GADGET_ID_BLOCK_LAST_FIELD,
 656   GADGET_ID_SP_BLOCK_LAST_FIELD,
 657   GADGET_ID_INSTANT_RELOCATION,
 658   GADGET_ID_SHIFTED_RELOCATION,
 659   GADGET_ID_LAZY_RELOCATION,
 660   GADGET_ID_USE_START_ELEMENT,
 661   GADGET_ID_USE_ARTWORK_ELEMENT,
 662   GADGET_ID_USE_EXPLOSION_ELEMENT,
 663   GADGET_ID_INITIAL_GRAVITY,
 664   GADGET_ID_USE_INITIAL_INVENTORY,
 665   GADGET_ID_CAN_PASS_TO_WALKABLE,
 666   GADGET_ID_CAN_FALL_INTO_ACID,
 667   GADGET_ID_CAN_MOVE_INTO_ACID,
 668   GADGET_ID_DONT_COLLIDE_WITH,
 669   GADGET_ID_ENVELOPE_AUTOWRAP,
 670   GADGET_ID_ENVELOPE_CENTERED,
 671   GADGET_ID_MM_LASER_RED,
 672   GADGET_ID_MM_LASER_GREEN,
 673   GADGET_ID_MM_LASER_BLUE,
 674   GADGET_ID_DF_LASER_RED,
 675   GADGET_ID_DF_LASER_GREEN,
 676   GADGET_ID_DF_LASER_BLUE,
 677   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 678   GADGET_ID_CUSTOM_CAN_EXPLODE,
 679   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 680   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 681   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 682   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 683   GADGET_ID_CUSTOM_DEADLY,
 684   GADGET_ID_CUSTOM_CAN_MOVE,
 685   GADGET_ID_CUSTOM_CAN_FALL,
 686   GADGET_ID_CUSTOM_CAN_SMASH,
 687   GADGET_ID_CUSTOM_SLIPPERY,
 688   GADGET_ID_CUSTOM_ACCESSIBLE,
 689   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 690   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 691   GADGET_ID_CUSTOM_USE_GRAPHIC,
 692   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 693   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 694   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 695   GADGET_ID_CUSTOM_CAN_CHANGE,
 696   GADGET_ID_CHANGE_USE_CONTENT,
 697   GADGET_ID_CHANGE_USE_EXPLOSION,
 698   GADGET_ID_CHANGE_ONLY_COMPLETE,
 699   GADGET_ID_CHANGE_USE_RANDOM,
 700   GADGET_ID_CHANGE_HAS_ACTION,
 701   GADGET_ID_CHANGE_DELAY,
 702   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 703   GADGET_ID_CHANGE_BY_OTHER_ACT,
 704
 705   NUM_STATIC_GADGET_IDS
 706 };
 707
 708 // gadgets for buttons in element list (dynamic)
 709 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 710 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 711                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 712
 713 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 714
 715 // radio button numbers
 716 enum
 717 {
 718   RADIO_NR_NONE,
 719   RADIO_NR_DRAWING_TOOLBOX,
 720   RADIO_NR_RANDOM_ELEMENTS
 721 };
 722
 723 // values for counter gadgets
 724 enum
 725 {
 726   ED_COUNTER_ID_SELECT_LEVEL,
 727   ED_COUNTER_ID_LEVEL_XSIZE,
 728   ED_COUNTER_ID_LEVEL_YSIZE,
 729   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 730   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 731   ED_COUNTER_ID_LEVEL_TIMESCORE,
 732   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 733   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 734   ED_COUNTER_ID_LEVEL_RANDOM,
 735   ED_COUNTER_ID_ELEMENT_VALUE1,
 736   ED_COUNTER_ID_ELEMENT_VALUE2,
 737   ED_COUNTER_ID_ELEMENT_VALUE3,
 738   ED_COUNTER_ID_ELEMENT_VALUE4,
 739   ED_COUNTER_ID_YAMYAM_CONTENT,
 740   ED_COUNTER_ID_BALL_CONTENT,
 741   ED_COUNTER_ID_ANDROID_CONTENT,
 742   ED_COUNTER_ID_ENVELOPE_XSIZE,
 743   ED_COUNTER_ID_ENVELOPE_YSIZE,
 744   ED_COUNTER_ID_INVENTORY_SIZE,
 745   ED_COUNTER_ID_CUSTOM_SCORE,
 746   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 747   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 748   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 749   ED_COUNTER_ID_PUSH_DELAY_FIX,
 750   ED_COUNTER_ID_PUSH_DELAY_RND,
 751   ED_COUNTER_ID_DROP_DELAY_FIX,
 752   ED_COUNTER_ID_DROP_DELAY_RND,
 753   ED_COUNTER_ID_MOVE_DELAY_FIX,
 754   ED_COUNTER_ID_MOVE_DELAY_RND,
 755   ED_COUNTER_ID_EXPLOSION_DELAY,
 756   ED_COUNTER_ID_IGNITION_DELAY,
 757   ED_COUNTER_ID_GROUP_CONTENT,
 758   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 759   ED_COUNTER_ID_CHANGE_DELAY_RND,
 760   ED_COUNTER_ID_CHANGE_CONT_RND,
 761
 762   ED_NUM_COUNTERBUTTONS
 763 };
 764
 765 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 766 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 767 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 768 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 769 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 770 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 771
 772 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 773 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 774 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 775 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 776 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 777 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 778
 779 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 780 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 781
 782 // values for scrollbutton gadgets
 783 enum
 784 {
 785   ED_SCROLLBUTTON_ID_AREA_UP,
 786   ED_SCROLLBUTTON_ID_AREA_DOWN,
 787   ED_SCROLLBUTTON_ID_AREA_LEFT,
 788   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 789   ED_SCROLLBUTTON_ID_LIST_UP,
 790   ED_SCROLLBUTTON_ID_LIST_DOWN,
 791
 792   ED_NUM_SCROLLBUTTONS
 793 };
 794
 795 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 796 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 797
 798 // values for scrollbar gadgets
 799 enum
 800 {
 801   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 802   ED_SCROLLBAR_ID_AREA_VERTICAL,
 803   ED_SCROLLBAR_ID_LIST_VERTICAL,
 804
 805   ED_NUM_SCROLLBARS
 806 };
 807
 808 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 809 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 810
 811 // values for text input gadgets
 812 enum
 813 {
 814   ED_TEXTINPUT_ID_LEVEL_NAME,
 815   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 816   ED_TEXTINPUT_ID_LEVELSET_NAME,
 817   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 818   ED_TEXTINPUT_ID_ELEMENT_NAME,
 819
 820   ED_NUM_TEXTINPUT
 821 };
 822
 823 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 824 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 825
 826 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 827 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 828
 829 // values for text area gadgets
 830 enum
 831 {
 832   ED_TEXTAREA_ID_ENVELOPE_INFO,
 833
 834   ED_NUM_TEXTAREAS
 835 };
 836
 837 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 838 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 839
 840 // values for selectbox gadgets
 841 enum
 842 {
 843   ED_SELECTBOX_ID_TIME_OR_STEPS,
 844   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 845   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 846   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 847   ED_SELECTBOX_ID_WIND_DIRECTION,
 848   ED_SELECTBOX_ID_PLAYER_SPEED,
 849   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 850   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 851   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 852   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 853   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 854   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 855   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 856   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 857   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 858   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 859   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 860   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 861   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 862   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 863   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 864   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 865   ED_SELECTBOX_ID_CHANGE_SIDE,
 866   ED_SELECTBOX_ID_CHANGE_PLAYER,
 867   ED_SELECTBOX_ID_CHANGE_PAGE,
 868   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 869   ED_SELECTBOX_ID_ACTION_TYPE,
 870   ED_SELECTBOX_ID_ACTION_MODE,
 871   ED_SELECTBOX_ID_ACTION_ARG,
 872   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 873   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 874
 875   ED_NUM_SELECTBOX
 876 };
 877
 878 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 879 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 880
 881 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 882 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 883
 884 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 885 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 886 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 887 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 888 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 889 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 890
 891 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 892 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 893
 894 // values for textbutton gadgets
 895 enum
 896 {
 897   ED_TEXTBUTTON_ID_LEVELINFO_LEVEL,
 898   ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET,
 899   ED_TEXTBUTTON_ID_LEVELINFO_EDITOR,
 900   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 901   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 902   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 903   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 904   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 905   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 906   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 907   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 908   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 909   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 910
 911   ED_NUM_TEXTBUTTONS
 912 };
 913
 914 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 915 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 916
 917 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 918 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 919
 920 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 921 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 922
 923 // values for graphicbutton gadgets
 924 enum
 925 {
 926   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 927   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 928   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 929   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 930
 931   ED_NUM_GRAPHICBUTTONS
 932 };
 933
 934 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 935 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 936
 937 // values for checkbutton gadgets
 938 enum
 939 {
 940   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 941   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 942   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 943   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 944   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 945   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 946   ED_CHECKBUTTON_ID_STICK_ELEMENT,
 947   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
 948   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
 949   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
 950   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
 951   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
 952   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
 953   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
 954   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
 955   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
 956   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
 957   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
 958   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
 959   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
 960   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
 961   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
 962   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
 963   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
 964   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
 965   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
 966   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
 967   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
 968   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
 969   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
 970   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
 971   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
 972   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
 973   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
 974   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
 975   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
 976   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
 977   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
 978   ED_CHECKBUTTON_ID_MM_LASER_RED,
 979   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
 980   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
 981   ED_CHECKBUTTON_ID_DF_LASER_RED,
 982   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
 983   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
 984   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
 985   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
 986   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
 987   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
 988   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
 989   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
 990   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
 991   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
 992   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
 993   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
 994   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
 995   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
 996   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
 997   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
 998   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
 999   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1000   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1001   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1002   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1003   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1004   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1005   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1006   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1007   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1008   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1009
1010   ED_NUM_CHECKBUTTONS
1011 };
1012
1013 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1014 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1015
1016 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1017 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1018
1019 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1020 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1021
1022 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1023 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1024 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1025 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1026 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1027 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1028
1029 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1030 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1031
1032 // values for radiobutton gadgets
1033 enum
1034 {
1035   ED_RADIOBUTTON_ID_PERCENTAGE,
1036   ED_RADIOBUTTON_ID_QUANTITY,
1037
1038   ED_NUM_RADIOBUTTONS
1039 };
1040
1041 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1042 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1043
1044 // values for drawing area gadgets
1045 enum
1046 {
1047   ED_DRAWING_ID_DRAWING_LEVEL,
1048   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1049   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1050   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1051   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1052   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1053   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1054   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1055   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1056   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1057   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1058   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1059   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1060   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1061   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1062   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1063   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1064   ED_DRAWING_ID_ANDROID_CONTENT,
1065   ED_DRAWING_ID_AMOEBA_CONTENT,
1066   ED_DRAWING_ID_START_ELEMENT,
1067   ED_DRAWING_ID_ARTWORK_ELEMENT,
1068   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1069   ED_DRAWING_ID_INVENTORY_CONTENT,
1070   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1071   ED_DRAWING_ID_CUSTOM_CONTENT,
1072   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1073   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1074   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1075   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1076   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1077   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1078   ED_DRAWING_ID_GROUP_CONTENT,
1079   ED_DRAWING_ID_RANDOM_BACKGROUND,
1080
1081   ED_NUM_DRAWING_AREAS
1082 };
1083
1084 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1085 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1086
1087
1088 // ----------------------------------------------------------------------------
1089 // some internally used definitions
1090 // ----------------------------------------------------------------------------
1091
1092 // values for CopyLevelToUndoBuffer()
1093 #define UNDO_IMMEDIATE                  0
1094 #define UNDO_ACCUMULATE                 1
1095
1096 // values for scrollbars
1097 #define ED_SCROLL_NO                    0
1098 #define ED_SCROLL_LEFT                  1
1099 #define ED_SCROLL_RIGHT                 2
1100 #define ED_SCROLL_UP                    4
1101 #define ED_SCROLL_DOWN                  8
1102
1103 // screens in the level editor
1104 #define ED_MODE_DRAWING                 0
1105 #define ED_MODE_INFO                    1
1106 #define ED_MODE_PROPERTIES              2
1107 #define ED_MODE_PALETTE                 3
1108
1109 // sub-screens in the global settings section
1110 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1111 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1112 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1113
1114 // sub-screens in the element properties section
1115 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1116 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1117 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1118 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1119 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1120
1121 // how many steps can be cancelled
1122 #define NUM_UNDO_STEPS                  (64 + 1)
1123
1124 // values for elements with score for certain actions
1125 #define MIN_SCORE                       0
1126 #define MAX_SCORE                       999
1127
1128 // values for elements with count for collecting
1129 #define MIN_COLLECT_COUNT               0
1130 #define MAX_COLLECT_COUNT               999
1131
1132 // values for random placement
1133 #define RANDOM_USE_PERCENTAGE           0
1134 #define RANDOM_USE_QUANTITY             1
1135
1136 // values for level set save mode
1137 #define LEVELSET_SAVE_MODE_UPDATE       0
1138 #define LEVELSET_SAVE_MODE_CREATE       1
1139
1140 // default value for element tile size in drawing area
1141 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1142 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1143
1144
1145 // ----------------------------------------------------------------------------
1146 // some internally used data structure definitions
1147 // ----------------------------------------------------------------------------
1148
1149 static struct
1150 {
1151   int graphic;
1152   int gadget_id;
1153   struct XYTileSize *pos;
1154   int gadget_type;
1155   char *infotext;
1156   char shortcut;
1157 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1158 {
1159   // note: some additional characters are already reserved for "cheat mode"
1160   // shortcuts (":XYZ" style) -- for details, see "events.c"
1161
1162   // ---------- toolbox control buttons ---------------------------------------
1163
1164   {
1165     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1166     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1167     "draw single items",                        's'
1168   },
1169   {
1170     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1171     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1172     "draw connected items",                     'd'
1173   },
1174   {
1175     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1176     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1177     "draw lines",                               'l'
1178   },
1179   {
1180     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1181     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1182     "draw arcs",                                'a'
1183   },
1184   {
1185     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1186     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1187     "draw outline rectangles",                  'r'
1188   },
1189   {
1190     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1191     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1192     "draw filled rectangles",                   'R'
1193   },
1194   {
1195     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1196     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1197     "wrap (rotate) level up",                   0
1198   },
1199   {
1200     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1201     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1202     "enter text elements",                      't'
1203   },
1204   {
1205     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1206     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1207     "flood fill",                               'f'
1208   },
1209   {
1210     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1211     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1212     "wrap (rotate) level left",                 0
1213   },
1214   {
1215     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1216     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1217     "zoom level tile size",                     '+'
1218   },
1219   {
1220     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1221     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1222     "wrap (rotate) level right",                0
1223   },
1224   {
1225     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1226     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1227     "random element placement",                 0
1228   },
1229   {
1230     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1231     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1232     "grab brush",                               'b'
1233   },
1234   {
1235     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1236     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1237     "wrap (rotate) level down",                 0
1238   },
1239   {
1240     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1241     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1242     "pick drawing element",                     ','
1243   },
1244
1245   // ---------- level control buttons -----------------------------------------
1246
1247   {
1248     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1249     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1250     "undo/redo last operation",                 'u'
1251   },
1252   {
1253     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1254     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1255     "properties of level",                      'I'
1256   },
1257   {
1258     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1259     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1260     "save level",                               'S'
1261   },
1262   {
1263     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1264     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1265     "clear level",                              'C'
1266   },
1267   {
1268     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1269     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1270     "test level",                               'T'
1271   },
1272   {
1273     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1274     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1275     "exit level editor",                        'E'
1276   },
1277
1278   // ---------- CE and GE control buttons -------------------------------------
1279
1280   {
1281     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1282     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1283     "copy settings from other element",         0
1284   },
1285   {
1286     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1287     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1288     "copy settings to other element",           0
1289   },
1290   {
1291     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1292     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1293     "exchange element with other element",      0
1294   },
1295   {
1296     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1297     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1298     "copy settings from this element",          0
1299   },
1300   {
1301     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1302     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1303     "paste settings to this element",           0
1304   },
1305
1306   // ---------- palette control buttons ---------------------------------------
1307
1308   {
1309     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1310     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1311     "properties of drawing element",            'p'
1312   },
1313   {
1314     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1315     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1316     "properties of drawing element 1",          '1'
1317   },
1318   {
1319     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1320     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1321     "properties of drawing element 2",          '2'
1322   },
1323   {
1324     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1325     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1326     "properties of drawing element 3",          '3'
1327   },
1328   {
1329     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1330     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1331     "show list of elements",                    'e'
1332   }
1333 };
1334
1335 static int random_placement_value = 10;
1336 static int random_placement_method = RANDOM_USE_QUANTITY;
1337 static int random_placement_background_element = EL_SAND;
1338 static boolean random_placement_background_restricted = FALSE;
1339 static boolean stick_element_properties_window = FALSE;
1340 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1341 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1342 static struct ElementChangeInfo custom_element_change;
1343 static struct ElementGroupInfo group_element_info;
1344 static struct ElementInfo custom_element;
1345
1346 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1347 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1348 static int levelset_num_levels = 100;
1349 static boolean levelset_use_levelset_artwork = FALSE;
1350 static boolean levelset_copy_level_template = FALSE;
1351 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1352
1353 static struct
1354 {
1355   int x, y;
1356   int min_value, max_value;
1357   int gadget_id_down, gadget_id_up;
1358   int gadget_id_text;
1359   int gadget_id_align;
1360   int *value;
1361   char *text_above, *text_left, *text_right;
1362 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1363 {
1364   // ---------- current level number ------------------------------------------
1365
1366   {
1367     -1, -1,     // these values are not constant, but can change at runtime
1368     1,                                  100,
1369     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1370     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1371     &level_nr,
1372     NULL,                               NULL, NULL
1373   },
1374
1375   // ---------- level and editor settings -------------------------------------
1376
1377   {
1378     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1379     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1380     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1381     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1382     &level.fieldx,
1383     "playfield size:",                  NULL, "width",
1384   },
1385   {
1386     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1387     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1388     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1389     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1390     &level.fieldy,
1391     NULL,                               " ", "height",
1392   },
1393   {
1394     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1395     0,                                  999,
1396     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1397     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1398     &level.gems_needed,
1399     NULL,                               "number of gems to collect:", NULL
1400   },
1401   {
1402     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1403     0,                                  9999,
1404     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1405     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1406     &level.time,
1407     "time or step limit to solve level:", NULL, NULL
1408   },
1409   {
1410     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1411     0,                                  999,
1412     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1413     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1414     &level.score[SC_TIME_BONUS],
1415     "score for time or steps left:",    NULL, NULL
1416   },
1417   {
1418     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1419     0,                                  9999,
1420     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1421     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1422     &level.random_seed,
1423     NULL,                               "random seed:", "(0 => random)"
1424   },
1425   {
1426     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1427     1,                                  MAX_LEVELS,
1428     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1429     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1430     &levelset_num_levels,
1431     "number of levels:",                NULL, NULL,
1432   },
1433   {
1434     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1435     1,                                  100,
1436     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1437     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1438     &random_placement_value,
1439     "random element placement:",        NULL, "in"
1440   },
1441
1442   // ---------- element settings: configure (various elements) ----------------
1443
1444   {
1445     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1446     MIN_SCORE,                          MAX_SCORE,
1447     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1448     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1449     NULL,                               // will be set when used
1450     NULL,                               NULL, NULL
1451   },
1452   {
1453     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1454     MIN_SCORE,                          MAX_SCORE,
1455     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1456     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1457     NULL,                               // will be set when used
1458     NULL,                               NULL, NULL
1459   },
1460   {
1461     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1462     MIN_SCORE,                          MAX_SCORE,
1463     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1464     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1465     NULL,                               // will be set when used
1466     NULL,                               NULL, NULL
1467   },
1468   {
1469     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1470     MIN_SCORE,                          MAX_SCORE,
1471     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1472     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1473     NULL,                               // will be set when used
1474     NULL,                               NULL, NULL
1475   },
1476   {
1477     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1478     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1479     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1480     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1481     &level.num_yamyam_contents,
1482     NULL,                               NULL, "number of content areas"
1483   },
1484   {
1485     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1486     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1487     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1488     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1489     &level.num_ball_contents,
1490     NULL,                               NULL, "number of content areas"
1491   },
1492   {
1493     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1494     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1495     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1496     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1497     &level.num_android_clone_elements,
1498     NULL,                               NULL, "number of clonable elements"
1499   },
1500   {
1501     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1502     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1503     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1504     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1505     NULL,                               // will be set when used
1506     NULL,                               NULL, "width",
1507   },
1508   {
1509     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1510     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1511     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1512     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1513     NULL,                               // will be set when used
1514     NULL,                               " ", "height",
1515   },
1516   {
1517     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1518     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1519     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1520     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1521     &level.initial_inventory_size[0],
1522     NULL,                               NULL, "number of inventory elements"
1523   },
1524
1525   // ---------- element settings: configure 1 (custom elements) ---------------
1526
1527   {
1528     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1529     MIN_SCORE,                          MAX_SCORE,
1530     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1531     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1532     &custom_element.collect_score_initial,
1533     NULL,                               "CE score", " "
1534   },
1535   {
1536     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1537     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1538     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1539     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1540     &custom_element.collect_count_initial,
1541     NULL,                               "CE count", NULL
1542   },
1543   {
1544     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1545     0,                                  9999,
1546     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1547     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1548     &custom_element.ce_value_fixed_initial,
1549     NULL,                               "CE value", NULL
1550   },
1551   {
1552     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1553     0,                                  9999,
1554     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1555     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1556     &custom_element.ce_value_random_initial,
1557     NULL,                               "+random", NULL
1558   },
1559   {
1560     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1561     0,                                  999,
1562     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1563     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1564     &custom_element.push_delay_fixed,
1565     NULL,                               "push delay", NULL
1566   },
1567   {
1568     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1569     0,                                  999,
1570     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1571     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1572     &custom_element.push_delay_random,
1573     NULL,                               "+random", NULL
1574   },
1575   {
1576     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1577     0,                                  999,
1578     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1579     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1580     &custom_element.drop_delay_fixed,
1581     NULL,                               "drop delay", NULL
1582   },
1583   {
1584     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1585     0,                                  999,
1586     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1587     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1588     &custom_element.drop_delay_random,
1589     NULL,                               "+random", NULL
1590   },
1591
1592   // ---------- element settings: configure 2 (custom elements) ---------------
1593
1594   {
1595     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1596     0,                                  999,
1597     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1598     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1599     &custom_element.move_delay_fixed,
1600     NULL,                               "move delay", NULL
1601   },
1602   {
1603     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1604     0,                                  999,
1605     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1606     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1607     &custom_element.move_delay_random,
1608     NULL,                               "+random", NULL
1609   },
1610   {
1611     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1612     0,                                  999,
1613     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1614     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1615     &custom_element.explosion_delay,
1616     NULL,                               "explosion delay", NULL
1617   },
1618   {
1619     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1620     0,                                  999,
1621     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1622     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1623     &custom_element.ignition_delay,
1624     NULL,                               "ignition delay", "(by fire)"
1625   },
1626
1627   // ---------- element settings: configure (group elements) ------------------
1628
1629   {
1630     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1631     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1632     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1633     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1634     &group_element_info.num_elements,
1635     NULL,                               NULL, "number of elements in group"
1636   },
1637
1638   // ---------- element settings: advanced (custom elements) ------------------
1639
1640   {
1641     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1642     0,                                  999,
1643     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1644     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1645     &custom_element_change.delay_fixed,
1646     NULL,                               "CE delay", NULL,
1647   },
1648   {
1649     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1650     0,                                  999,
1651     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1652     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1653     &custom_element_change.delay_random,
1654     NULL,                               "+random", NULL
1655   },
1656   {
1657     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1658     0,                                  100,
1659     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1660     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1661     &custom_element_change.random_percentage,
1662     NULL,                               "use random replace:", "%"
1663   },
1664 };
1665
1666 static struct
1667 {
1668   int x, y;
1669   int gadget_id;
1670   int size;
1671   char *value;
1672   char *text_above, *infotext;
1673 } textinput_info[ED_NUM_TEXTINPUT] =
1674 {
1675   {
1676     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1677     GADGET_ID_LEVEL_NAME,
1678     MAX_LEVEL_NAME_LEN,
1679     level.name,
1680     "Title:", "Title for this level"
1681   },
1682   {
1683     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1684     GADGET_ID_LEVEL_AUTHOR,
1685     MAX_LEVEL_AUTHOR_LEN,
1686     level.author,
1687     "Author:", "Author for this level"
1688   },
1689   {
1690     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1691     GADGET_ID_LEVELSET_NAME,
1692     MAX_LEVEL_NAME_LEN,
1693     levelset_name,
1694     "Title:", "Title for this or new level set"
1695   },
1696   {
1697     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1698     GADGET_ID_LEVELSET_AUTHOR,
1699     MAX_LEVEL_AUTHOR_LEN,
1700     levelset_author,
1701     "Author:", "Author for this or new level set"
1702   },
1703   {
1704     -1, -1,     // these values are not constant, but can change at runtime
1705     GADGET_ID_ELEMENT_NAME,
1706     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1707     custom_element.description,
1708     NULL, "Element name"
1709   }
1710 };
1711
1712 static struct
1713 {
1714   int x, y;
1715   int gadget_id;
1716   int xsize, ysize;
1717   char *value;
1718   char *text_above, *infotext;
1719 } textarea_info[ED_NUM_TEXTAREAS] =
1720 {
1721   {
1722     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1723     GADGET_ID_ENVELOPE_INFO,
1724     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1725     NULL,
1726     "Envelope Content:", "Envelope Content"
1727   }
1728 };
1729
1730 static struct ValueTextInfo options_time_or_steps[] =
1731 {
1732   { 0,                          "seconds"                       },
1733   { 1,                          "steps"                         },
1734
1735   { -1,                         NULL                            }
1736 };
1737
1738 static struct ValueTextInfo options_time_score_base[] =
1739 {
1740   { 1,                          "per second/step"               },
1741   { 10,                         "per 10 seconds/steps"          },
1742
1743   { -1,                         NULL                            }
1744 };
1745
1746 static struct ValueTextInfo options_game_engine_type[] =
1747 {
1748   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1749   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1750   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1751   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1752
1753   { -1,                         NULL                            }
1754 };
1755
1756 static struct ValueTextInfo options_levelset_save_mode[] =
1757 {
1758   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1759   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1760
1761   { -1,                         NULL                            }
1762 };
1763
1764 static struct ValueTextInfo options_wind_direction[] =
1765 {
1766   { MV_START_NONE,              "none"                          },
1767   { MV_START_LEFT,              "left"                          },
1768   { MV_START_RIGHT,             "right"                         },
1769   { MV_START_UP,                "up"                            },
1770   { MV_START_DOWN,              "down"                          },
1771
1772   { -1,                         NULL                            }
1773 };
1774
1775 static struct ValueTextInfo options_player_speed[] =
1776 {
1777   { 0,                          "frozen"                        },
1778   { 1,                          "very slow"                     },
1779   { 2,                          "slow"                          },
1780   { 4,                          "normal"                        },
1781   { 8,                          "fast"                          },
1782   { 16,                         "very fast"                     },
1783   { 32,                         "ultrafast"                     },
1784
1785   { -1,                         NULL                            }
1786 };
1787
1788 static struct ValueTextInfo options_access_type[] =
1789 {
1790   { EP_WALKABLE,                "walkable"                      },
1791   { EP_PASSABLE,                "passable"                      },
1792
1793   { -1,                         NULL                            }
1794 };
1795
1796 static struct ValueTextInfo options_access_layer[] =
1797 {
1798   { EP_ACCESSIBLE_OVER,         "over"                          },
1799   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1800   { EP_ACCESSIBLE_UNDER,        "under"                         },
1801
1802   { -1,                         NULL                            }
1803 };
1804
1805 static struct ValueTextInfo options_access_protected[] =
1806 {
1807   { 0,                          "unprotected"                   },
1808   { 1,                          "protected"                     },
1809
1810   { -1,                         NULL                            }
1811 };
1812
1813 static struct ValueTextInfo options_access_direction[] =
1814 {
1815   { MV_NO_DIRECTION,            "no direction"                  },
1816   { MV_LEFT,                    "left"                          },
1817   { MV_RIGHT,                   "right"                         },
1818   { MV_UP,                      "up"                            },
1819   { MV_DOWN,                    "down"                          },
1820   { MV_LEFT  | MV_UP,           "left + up"                     },
1821   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1822   { MV_RIGHT | MV_UP,           "right + up"                    },
1823   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1824   { MV_HORIZONTAL,              "horizontal"                    },
1825   { MV_VERTICAL,                "vertical"                      },
1826   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1827   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1828   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1829   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1830   { MV_ALL_DIRECTIONS,          "all directions"                },
1831
1832   { -1,                         NULL                            }
1833 };
1834
1835 static struct ValueTextInfo options_walk_to_action[] =
1836 {
1837   { EP_DIGGABLE,                "diggable"                      },
1838   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1839   { EP_DROPPABLE,               "collectible & droppable"       },
1840   { EP_THROWABLE,               "collectible & throwable"       },
1841   { EP_PUSHABLE,                "pushable"                      },
1842
1843   { -1,                         NULL                            }
1844 };
1845
1846 static struct ValueTextInfo options_move_pattern[] =
1847 {
1848   { MV_LEFT,                    "left"                          },
1849   { MV_RIGHT,                   "right"                         },
1850   { MV_UP,                      "up"                            },
1851   { MV_DOWN,                    "down"                          },
1852   { MV_HORIZONTAL,              "horizontal"                    },
1853   { MV_VERTICAL,                "vertical"                      },
1854   { MV_ALL_DIRECTIONS,          "all directions"                },
1855   { MV_WIND_DIRECTION,          "wind direction"                },
1856   { MV_TOWARDS_PLAYER,          "towards player"                },
1857   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1858   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1859   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1860   { MV_TURNING_LEFT,            "turning left"                  },
1861   { MV_TURNING_RIGHT,           "turning right"                 },
1862   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1863   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1864   { MV_TURNING_RANDOM,          "turning random"                },
1865   { MV_MAZE_RUNNER,             "maze runner style"             },
1866   { MV_MAZE_HUNTER,             "maze hunter style"             },
1867   { MV_WHEN_PUSHED,             "when pushed"                   },
1868   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1869
1870   { -1,                         NULL                            }
1871 };
1872
1873 static struct ValueTextInfo options_move_direction[] =
1874 {
1875   { MV_START_AUTOMATIC,         "automatic"                     },
1876   { MV_START_LEFT,              "left"                          },
1877   { MV_START_RIGHT,             "right"                         },
1878   { MV_START_UP,                "up"                            },
1879   { MV_START_DOWN,              "down"                          },
1880   { MV_START_RANDOM,            "random"                        },
1881   { MV_START_PREVIOUS,          "previous"                      },
1882
1883   { -1,                         NULL                            }
1884 };
1885
1886 static struct ValueTextInfo options_move_stepsize[] =
1887 {
1888   { 0,                          "not moving"                    },
1889   { 1,                          "very slow"                     },
1890   { 2,                          "slow"                          },
1891   { 4,                          "normal"                        },
1892   { 8,                          "fast"                          },
1893   { 16,                         "very fast"                     },
1894   { 32,                         "even faster"                   },
1895
1896   { -1,                         NULL                            }
1897 };
1898
1899 static struct ValueTextInfo options_move_leave_type[] =
1900 {
1901   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1902   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1903
1904   { -1,                         NULL                            }
1905 };
1906
1907 static struct ValueTextInfo options_smash_targets[] =
1908 {
1909   { EP_CAN_SMASH_PLAYER,        "player"                        },
1910 #if 0
1911   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1912 #endif
1913   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1914
1915   { -1,                         NULL                            }
1916 };
1917
1918 static struct ValueTextInfo options_slippery_type[] =
1919 {
1920   { SLIPPERY_ANY_RANDOM,        "random"                        },
1921   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1922   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1923   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1924   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1925
1926   { -1,                         NULL                            }
1927 };
1928
1929 static struct ValueTextInfo options_deadliness[] =
1930 {
1931   { EP_DONT_RUN_INTO,           "running into"                  },
1932   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1933   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1934   { EP_DONT_TOUCH,              "touching"                      },
1935
1936   { -1,                         NULL                            }
1937 };
1938
1939 static struct ValueTextInfo options_explosion_type[] =
1940 {
1941   { EXPLODES_3X3,               "3x3"                           },
1942   { EXPLODES_CROSS,             "3+3"                           },
1943   { EXPLODES_1X1,               "1x1"                           },
1944
1945   { -1,                         NULL                            }
1946 };
1947
1948 static struct ValueTextInfo options_time_units[] =
1949 {
1950   { 1,                          "frames"                        },
1951   { FRAMES_PER_SECOND,          "seconds"                       },
1952
1953   { -1,                         NULL                            }
1954 };
1955
1956 static struct ValueTextInfo options_change_direct_action[] =
1957 {
1958   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1959   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1960   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1961   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1962   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1963   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1964   { CE_LEFT_BY_PLAYER,          "left by player"                },
1965   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1966   { CE_SWITCHED,                "switched"                      },
1967   { CE_HITTING_SOMETHING,       "hitting something"             },
1968   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1969 #if 0
1970   { CE_BLOCKED,                 "blocked"                       },
1971 #endif
1972   { CE_IMPACT,                  "impact (on something)"         },
1973   { CE_SMASHED,                 "smashed (from above)"          },
1974 #if 0
1975   { CE_VALUE_CHANGES,           "CE value changes"              },
1976   { CE_SCORE_CHANGES,           "CE score changes"              },
1977 #endif
1978   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1979   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1980   { CE_UNDEFINED,               " "                             },
1981   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
1982   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
1983   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
1984
1985   { -1,                         NULL                            }
1986 };
1987
1988 static struct ValueTextInfo options_change_other_action[] =
1989 {
1990   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1991   { CE_PLAYER_PRESSES_X,        "player presses"                },
1992   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1993   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1994   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1995   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1996   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1997   { CE_PLAYER_DIGS_X,           "player digs"                   },
1998   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1999   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2000   { CE_TOUCHING_X,              "touching"                      },
2001   { CE_HITTING_X,               "hitting"                       },
2002   { CE_DIGGING_X,               "digging"                       },
2003   { CE_HIT_BY_X,                "hit by"                        },
2004   { CE_SWITCH_OF_X,             "switch of"                     },
2005   { CE_CHANGE_OF_X,             "change by page of"             },
2006   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2007   { CE_MOVE_OF_X,               "move of"                       },
2008   { CE_CREATION_OF_X,           "creation of"                   },
2009   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2010   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2011   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2012   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2013   { CE_UNDEFINED,               " "                             },
2014   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2015   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2016   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2017
2018   { -1,                         NULL                            }
2019 };
2020
2021 static struct ValueTextInfo options_change_trigger_side[] =
2022 {
2023   { CH_SIDE_LEFT,               "left"                          },
2024   { CH_SIDE_RIGHT,              "right"                         },
2025   { CH_SIDE_TOP,                "top"                           },
2026   { CH_SIDE_BOTTOM,             "bottom"                        },
2027   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2028   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2029   { CH_SIDE_ANY,                "any"                           },
2030
2031   { -1,                         NULL                            }
2032 };
2033
2034 static struct ValueTextInfo options_change_trigger_player[] =
2035 {
2036   { CH_PLAYER_1,                "1"                             },
2037   { CH_PLAYER_2,                "2"                             },
2038   { CH_PLAYER_3,                "3"                             },
2039   { CH_PLAYER_4,                "4"                             },
2040   { CH_PLAYER_ANY,              "any"                           },
2041
2042   { -1,                         NULL                            }
2043 };
2044
2045 static struct ValueTextInfo options_change_trigger_page[] =
2046 {
2047   { (1 << 0),                   "1"                             },
2048   { (1 << 1),                   "2"                             },
2049   { (1 << 2),                   "3"                             },
2050   { (1 << 3),                   "4"                             },
2051   { (1 << 4),                   "5"                             },
2052   { (1 << 5),                   "6"                             },
2053   { (1 << 6),                   "7"                             },
2054   { (1 << 7),                   "8"                             },
2055   { (1 << 8),                   "9"                             },
2056   { (1 << 9),                   "10"                            },
2057   { (1 << 10),                  "11"                            },
2058   { (1 << 11),                  "12"                            },
2059   { (1 << 12),                  "13"                            },
2060   { (1 << 13),                  "14"                            },
2061   { (1 << 14),                  "15"                            },
2062   { (1 << 15),                  "16"                            },
2063   { (1 << 16),                  "17"                            },
2064   { (1 << 17),                  "18"                            },
2065   { (1 << 18),                  "19"                            },
2066   { (1 << 19),                  "20"                            },
2067   { (1 << 20),                  "21"                            },
2068   { (1 << 21),                  "22"                            },
2069   { (1 << 22),                  "23"                            },
2070   { (1 << 23),                  "24"                            },
2071   { (1 << 24),                  "25"                            },
2072   { (1 << 25),                  "26"                            },
2073   { (1 << 26),                  "27"                            },
2074   { (1 << 27),                  "28"                            },
2075   { (1 << 28),                  "29"                            },
2076   { (1 << 29),                  "30"                            },
2077   { (1 << 30),                  "31"                            },
2078   { (1 << 31),                  "32"                            },
2079   { CH_PAGE_ANY,                "any"                           },
2080
2081   { -1,                         NULL                            }
2082 };
2083
2084 static struct ValueTextInfo options_change_replace_when[] =
2085 {
2086   { CP_WHEN_EMPTY,              "empty"                         },
2087   { CP_WHEN_WALKABLE,           "walkable"                      },
2088   { CP_WHEN_DIGGABLE,           "diggable"                      },
2089   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2090   { CP_WHEN_REMOVABLE,          "removable"                     },
2091   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2092
2093   { -1,                         NULL                            }
2094 };
2095
2096 static struct ValueTextInfo options_action_type[] =
2097 {
2098   { CA_NO_ACTION,               "no action"                     },
2099   { CA_UNDEFINED,               " "                             },
2100   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2101   { CA_RESTART_LEVEL,           "restart level"                 },
2102   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2103   { CA_SET_LEVEL_TIME,          "set time"                      },
2104   { CA_SET_LEVEL_SCORE,         "set score"                     },
2105   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2106   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2107   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2108   { CA_UNDEFINED,               " "                             },
2109   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2110   { CA_MOVE_PLAYER,             "move player"                   },
2111   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2112   { CA_EXIT_PLAYER,             "exit player"                   },
2113   { CA_KILL_PLAYER,             "kill player"                   },
2114   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2115   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2116   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2117   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2118   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2119   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2120   { CA_UNDEFINED,               " "                             },
2121   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2122   { CA_SET_CE_VALUE,            "set CE value"                  },
2123   { CA_SET_CE_SCORE,            "set CE score"                  },
2124   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2125   { CA_UNDEFINED,               " "                             },
2126   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2127   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2128
2129   { -1,                         NULL                            }
2130 };
2131
2132 static struct ValueTextInfo options_action_mode_none[] =
2133 {
2134   { CA_MODE_UNDEFINED,          " "                             },
2135
2136   { -1,                         NULL                            }
2137 };
2138
2139 static struct ValueTextInfo options_action_mode_assign[] =
2140 {
2141   { CA_MODE_SET,                "="                             },
2142
2143   { -1,                         NULL                            }
2144 };
2145
2146 static struct ValueTextInfo options_action_mode_add_remove[] =
2147 {
2148   { CA_MODE_ADD,                "+"                             },
2149   { CA_MODE_SUBTRACT,           "-"                             },
2150
2151   { -1,                         NULL                            }
2152 };
2153
2154 static struct ValueTextInfo options_action_mode_calculate[] =
2155 {
2156   { CA_MODE_SET,                "="                             },
2157   { CA_MODE_ADD,                "+"                             },
2158   { CA_MODE_SUBTRACT,           "-"                             },
2159   { CA_MODE_MULTIPLY,           "*"                             },
2160   { CA_MODE_DIVIDE,             "/"                             },
2161   { CA_MODE_MODULO,             "%"                             },
2162
2163   { -1,                         NULL                            }
2164 };
2165
2166 static struct ValueTextInfo options_action_arg_none[] =
2167 {
2168   { CA_ARG_UNDEFINED,           "         "                     },
2169
2170   { -1,                         NULL                            }
2171 };
2172
2173 static struct ValueTextInfo options_action_arg_player[] =
2174 {
2175   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2176   { CA_ARG_PLAYER_1,            "1"                             },
2177   { CA_ARG_PLAYER_2,            "2"                             },
2178   { CA_ARG_PLAYER_3,            "3"                             },
2179   { CA_ARG_PLAYER_4,            "4"                             },
2180   { CA_ARG_PLAYER_ANY,          "any"                           },
2181   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2182   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2183
2184   { -1,                         NULL                            }
2185 };
2186
2187 static struct ValueTextInfo options_action_arg_number[] =
2188 {
2189   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2190   { CA_ARG_0,                   "0"                             },
2191   { CA_ARG_1,                   "1"                             },
2192   { CA_ARG_2,                   "2"                             },
2193   { CA_ARG_3,                   "3"                             },
2194   { CA_ARG_4,                   "4"                             },
2195   { CA_ARG_5,                   "5"                             },
2196   { CA_ARG_10,                  "10"                            },
2197   { CA_ARG_100,                 "100"                           },
2198   { CA_ARG_1000,                "1000"                          },
2199   { CA_ARG_UNDEFINED,           " "                             },
2200   { CA_ARG_NUMBER_MIN,          "min"                           },
2201   { CA_ARG_NUMBER_MAX,          "max"                           },
2202   { CA_ARG_UNDEFINED,           " "                             },
2203   { CA_ARG_NUMBER_RESET,        "reset"                         },
2204   { CA_ARG_UNDEFINED,           " "                             },
2205   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2206   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2207   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2208   { CA_ARG_UNDEFINED,           " "                             },
2209   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2210   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2211   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2212   { CA_ARG_UNDEFINED,           " "                             },
2213   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2214   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2215   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2216   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2217   { CA_ARG_UNDEFINED,           " "                             },
2218   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2219   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2220   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2221   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2222
2223   { -1,                         NULL                            }
2224 };
2225
2226 static struct ValueTextInfo options_action_arg_value[] =
2227 {
2228   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2229   { CA_ARG_0,                   "0"                             },
2230   { CA_ARG_1,                   "1"                             },
2231   { CA_ARG_2,                   "2"                             },
2232   { CA_ARG_3,                   "3"                             },
2233   { CA_ARG_4,                   "4"                             },
2234   { CA_ARG_5,                   "5"                             },
2235   { CA_ARG_10,                  "10"                            },
2236   { CA_ARG_100,                 "100"                           },
2237   { CA_ARG_1000,                "1000"                          },
2238   { CA_ARG_UNDEFINED,           " "                             },
2239   { CA_ARG_NUMBER_MIN,          "min"                           },
2240   { CA_ARG_NUMBER_MAX,          "max"                           },
2241   { CA_ARG_UNDEFINED,           " "                             },
2242   { CA_ARG_NUMBER_RESET,        "reset"                         },
2243   { CA_ARG_UNDEFINED,           " "                             },
2244   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2245   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2246   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2247   { CA_ARG_UNDEFINED,           " "                             },
2248   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2249   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2250   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2251   { CA_ARG_UNDEFINED,           " "                             },
2252   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2253   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2254   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2255   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2256   { CA_ARG_UNDEFINED,           " "                             },
2257   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2258   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2259   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2260   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2261   { CA_ARG_UNDEFINED,           " "                             },
2262   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2263   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2264   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2265   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2266
2267   { -1,                         NULL                            }
2268 };
2269
2270 static struct ValueTextInfo options_action_arg_envelope[] =
2271 {
2272   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2273   { CA_ARG_1,                   "1"                             },
2274   { CA_ARG_2,                   "2"                             },
2275   { CA_ARG_3,                   "3"                             },
2276   { CA_ARG_4,                   "4"                             },
2277   { CA_ARG_UNDEFINED,           " "                             },
2278   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2279   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2280   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2281   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2282
2283   { -1,                         NULL                            }
2284 };
2285
2286 static struct ValueTextInfo options_action_arg_key[] =
2287 {
2288   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2289   { CA_ARG_1,                   "1"                             },
2290   { CA_ARG_2,                   "2"                             },
2291   { CA_ARG_3,                   "3"                             },
2292   { CA_ARG_4,                   "4"                             },
2293   { CA_ARG_5,                   "5"                             },
2294   { CA_ARG_6,                   "6"                             },
2295   { CA_ARG_7,                   "7"                             },
2296   { CA_ARG_8,                   "8"                             },
2297   { CA_ARG_UNDEFINED,           " "                             },
2298   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2299   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2300   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2301   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2302
2303   { -1,                         NULL                            }
2304 };
2305
2306 static struct ValueTextInfo options_action_arg_speed[] =
2307 {
2308   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2309   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2310   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2311   { CA_ARG_SPEED_SLOW,          "slow"                          },
2312   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2313   { CA_ARG_SPEED_FAST,          "fast"                          },
2314   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2315   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2316   { CA_ARG_UNDEFINED,           " "                             },
2317   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2318   { CA_ARG_SPEED_FASTER,        "faster"                        },
2319   { CA_ARG_UNDEFINED,           " "                             },
2320   { CA_ARG_SPEED_RESET,         "reset"                         },
2321
2322   { -1,                         NULL                            }
2323 };
2324
2325 static struct ValueTextInfo options_action_arg_shield[] =
2326 {
2327   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2328   { CA_ARG_SHIELD_OFF,          "off"                           },
2329   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2330   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2331
2332   { -1,                         NULL                            }
2333 };
2334
2335 static struct ValueTextInfo options_action_arg_artwork[] =
2336 {
2337   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2338   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2339   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2340   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2341   { CA_ARG_UNDEFINED,           " "                             },
2342   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2343
2344   { -1,                         NULL                            }
2345 };
2346
2347 static struct ValueTextInfo options_action_arg_gravity[] =
2348 {
2349   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2350   { CA_ARG_GRAVITY_ON,          "on"                            },
2351   { CA_ARG_GRAVITY_OFF,         "off"                           },
2352   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2353
2354   { -1,                         NULL                            }
2355 };
2356
2357 static struct ValueTextInfo options_action_arg_direction[] =
2358 {
2359   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2360   { CA_ARG_DIRECTION_NONE,      "none"                          },
2361   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2362   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2363   { CA_ARG_DIRECTION_UP,        "up"                            },
2364   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2365   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2366   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2367
2368   { -1,                         NULL                            }
2369 };
2370
2371 static struct ValueTextInfo options_action_arg_scan_mode[] =
2372 {
2373   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2374   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2375   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2376
2377   { -1,                         NULL                            }
2378 };
2379
2380 static struct ValueTextInfo options_action_arg_inventory[] =
2381 {
2382   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2383   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2384   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2385   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2386   { CA_ARG_UNDEFINED,           " "                             },
2387   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2388   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2389   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2390   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2391   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2392   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2393   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2394   { CA_ARG_UNDEFINED,           " "                             },
2395   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2396
2397   { -1,                         NULL                            }
2398 };
2399
2400 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2401 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2402 {
2403   { -1,                         NULL                            }
2404 };
2405
2406 static struct ValueTextInfo options_group_choice_mode[] =
2407 {
2408   { ANIM_RANDOM,                "random"                        },
2409   { ANIM_LOOP,                  "loop"                          },
2410   { ANIM_LINEAR,                "linear"                        },
2411   { ANIM_PINGPONG,              "pingpong"                      },
2412   { ANIM_PINGPONG2,             "pingpong 2"                    },
2413
2414   { -1,                         NULL                            }
2415 };
2416
2417 static struct ValueTextInfo *action_arg_modes[] =
2418 {
2419   options_action_mode_none,
2420   options_action_mode_assign,
2421   options_action_mode_add_remove,
2422   options_action_mode_calculate,
2423 };
2424
2425 static struct
2426 {
2427   int value;
2428   int mode;
2429   struct ValueTextInfo *options;
2430 }
2431 action_arg_options[] =
2432 {
2433   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2434   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2435   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2436   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2437   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2438   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2439   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2440   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2441   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2442   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2443   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2444   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2445   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2446   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2447   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2448   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2449   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2450   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2451   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2452   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2453   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2454   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2455
2456   { -1,                         FALSE,  NULL                            }
2457 };
2458
2459 static struct
2460 {
2461   int x, y;
2462   int gadget_id;
2463   int gadget_id_align;
2464   int size;     // char size of selectbox or '-1' (dynamically determined)
2465   struct ValueTextInfo *options;
2466   int *value;
2467   char *text_above, *text_left, *text_right, *infotext;
2468 } selectbox_info[ED_NUM_SELECTBOX] =
2469 {
2470   // ---------- level and editor settings -------------------------------------
2471
2472   {
2473     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2474     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2475     -1,
2476     options_time_or_steps,
2477     &level.use_step_counter,
2478     NULL, NULL, "(0 => no limit)",      "time or step limit"
2479   },
2480   {
2481     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2482     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2483     -1,
2484     options_time_score_base,
2485     &level.time_score_base,
2486     NULL, NULL, NULL,                   "time score for 1 or 10 seconds/steps"
2487   },
2488   {
2489     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2490     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2491     -1,
2492     options_game_engine_type,
2493     &level.game_engine_type,
2494     NULL, "game engine:", NULL,         "game engine"
2495   },
2496   {
2497     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2498     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2499     -1,
2500     options_levelset_save_mode,
2501     &levelset_save_mode,
2502     "Action:", NULL, NULL,              "action when saving level set"
2503   },
2504
2505   // ---------- element settings: configure (several elements) ----------------
2506
2507   {
2508     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2509     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2510     -1,
2511     options_wind_direction,
2512     &level.wind_direction_initial,
2513     NULL, "initial wind direction:", NULL,      "initial wind direction"
2514   },
2515   {
2516     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2517     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2518     -1,
2519     options_player_speed,
2520     &level.initial_player_stepsize[0],
2521     NULL, "initial player speed:", NULL,        "initial player speed"
2522   },
2523
2524   // ---------- element settings: configure 1 (custom elements) ---------------
2525
2526   {
2527     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2528     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2529     -1,
2530     options_access_type,
2531     &custom_element.access_type,
2532     NULL, NULL, NULL,                   "type of access to this field"
2533   },
2534   {
2535     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2536     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2537     -1,
2538     options_access_layer,
2539     &custom_element.access_layer,
2540     NULL, NULL, NULL,                   "layer of access for this field"
2541   },
2542   {
2543     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2544     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2545     -1,
2546     options_access_protected,
2547     &custom_element.access_protected,
2548     NULL, NULL, NULL,                   "protected access for this field"
2549   },
2550   {
2551     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2552     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2553     -1,
2554     options_access_direction,
2555     &custom_element.access_direction,
2556     NULL, "from", NULL,                 "access direction for this field"
2557   },
2558   {
2559     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2560     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2561     -1,
2562     options_walk_to_action,
2563     &custom_element.walk_to_action,
2564     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2565   },
2566
2567   // ---------- element settings: configure 2 (custom elements) ---------------
2568
2569   {
2570     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2571     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2572     -1,
2573     options_move_pattern,
2574     &custom_element.move_pattern,
2575     NULL, "can move", NULL,             "element move pattern"
2576   },
2577   {
2578     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2579     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2580     -1,
2581     options_move_direction,
2582     &custom_element.move_direction_initial,
2583     NULL, "starts moving", NULL,        "initial element move direction"
2584   },
2585   {
2586     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2587     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2588     -1,
2589     options_move_stepsize,
2590     &custom_element.move_stepsize,
2591     NULL, "move/fall speed", NULL,      "speed of element movement"
2592   },
2593   {
2594     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2595     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2596     -1,
2597     options_move_leave_type,
2598     &custom_element.move_leave_type,
2599     // left text with leading spaces to place gadget next to "can dig" gadget
2600     // (needed because drawing area gadgets created after selectbox gadgets)
2601     // NULL, "can dig:    can", ":",    "leave behind or change element"
2602     NULL, "            can", ":",       "leave behind or change element"
2603   },
2604   {
2605     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2606     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2607     -1,
2608     options_smash_targets,
2609     &custom_element.smash_targets,
2610     NULL, "can smash", NULL,            "elements that can be smashed"
2611   },
2612   {
2613     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2614     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2615     -1,
2616     options_slippery_type,
2617     &custom_element.slippery_type,
2618     NULL, "slippery", NULL,             "where other elements fall down"
2619   },
2620   {
2621     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2622     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2623     -1,
2624     options_deadliness,
2625     &custom_element.deadliness,
2626     NULL, "deadly when", NULL,          "deadliness of element"
2627   },
2628   {
2629     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2630     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2631     -1,
2632     options_explosion_type,
2633     &custom_element.explosion_type,
2634     NULL, "can explode", NULL,          "explosion type"
2635   },
2636
2637   // ---------- element settings: advanced (custom elements) ------------------
2638
2639   {
2640     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2641     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2642     -1,
2643     options_time_units,
2644     &custom_element_change.delay_frames,
2645     NULL, "delay time given in", NULL,  "delay time units for change"
2646   },
2647   {
2648     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2649     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2650     -1,
2651     options_change_direct_action,
2652     &custom_element_change.direct_action,
2653     NULL, NULL, NULL,                   "type of direct action"
2654   },
2655   {
2656     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2657     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2658     -1,
2659     options_change_other_action,
2660     &custom_element_change.other_action,
2661     NULL, NULL, "element:",             "type of other element action"
2662   },
2663   {
2664     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2665     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2666     -1,
2667     options_change_trigger_side,
2668     &custom_element_change.trigger_side,
2669     NULL, "at", "side",                 "element side triggering change"
2670   },
2671   {
2672     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2673     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2674     -1,
2675     options_change_trigger_player,
2676     &custom_element_change.trigger_player,
2677     NULL, "player:", " ",               "player that causes change"
2678   },
2679   {
2680     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2681     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2682     -1,
2683     options_change_trigger_page,
2684     &custom_element_change.trigger_page,
2685     NULL, "page:", NULL,                "change page that causes change"
2686   },
2687   {
2688     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2689     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2690     -1,
2691     options_change_replace_when,
2692     &custom_element_change.replace_when,
2693     NULL, "replace when", NULL,         "which elements can be replaced"
2694   },
2695   {
2696     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2697     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2698     15,
2699     options_action_type,
2700     &custom_element_change.action_type,
2701     NULL, NULL, NULL,                   "action on specified condition"
2702   },
2703   {
2704     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2705     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2706     -1,
2707     options_action_mode_none,
2708     &custom_element_change.action_mode,
2709     NULL, NULL, NULL,                   "action operator"
2710   },
2711   {
2712     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2713     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2714     -1,
2715     options_action_arg_none,
2716     &custom_element_change.action_arg,
2717     NULL, NULL, NULL,                   "action parameter"
2718   },
2719   {
2720     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2721     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2722     3,
2723     options_change_page,
2724     &custom_element.current_change_page,
2725     NULL, NULL, NULL,                   "element change page"
2726   },
2727
2728   // ---------- element settings: configure (group elements) ------------------
2729
2730   {
2731     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2732     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2733     -1,
2734     options_group_choice_mode,
2735     &group_element_info.choice_mode,
2736     NULL, "choice type:", NULL,         "type of group element choice"
2737   },
2738 };
2739
2740 static struct
2741 {
2742   int x, y;
2743   int gadget_id;
2744   int gadget_id_align;
2745   int size;
2746   char *text;
2747   char *text_above, *text_left, *text_right, *infotext;
2748 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2749 {
2750   // ---------- level and editor settings (tabs) ------------------------------
2751
2752   {
2753     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2754     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2755     8,                                  "Level",
2756     NULL, NULL, NULL,                   "Configure level properties"
2757   },
2758   {
2759     -1,                                 -1,
2760     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2761     8,                                  "Levelset",
2762     NULL, NULL, NULL,                   "Update this or create new level set"
2763   },
2764   {
2765     -1,                                 -1,
2766     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2767     8,                                  "Editor",
2768     NULL, NULL, NULL,                   "Configure editor properties"
2769   },
2770
2771   // ---------- element settings (tabs) ---------------------------------------
2772
2773   {
2774     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2775     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2776     8,                                  "Info",
2777     NULL, NULL, NULL,                   "Show information about element"
2778   },
2779   {
2780     -1,                                 -1,
2781     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2782     8,                                  "Config",
2783     NULL, NULL, NULL,                   "Configure element properties"
2784   },
2785   {
2786     -1,                                 -1,
2787     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2788     8,                                  "Config 1",
2789     NULL, NULL, NULL,                   "Configure element properties, part 1"
2790   },
2791   {
2792     -1,                                 -1,
2793     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2794     8,                                  "Config 2",
2795     NULL, NULL, NULL,                   "Configure element properties, part 2"
2796   },
2797   {
2798     -1,                                 -1,
2799     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2800     8,                                  "Change",
2801     NULL, NULL, NULL,                   "Configure custom element change pages"
2802   },
2803
2804   // ---------- level and editor settings (buttons) ---------------------------
2805
2806   {
2807     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2808     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2809     -1,                                 "Save",
2810     NULL, NULL, NULL,                   "Update or create level set"
2811   },
2812   {
2813     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2814     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2815     -1,                                 "Save",
2816     NULL, NULL,                         "this level as level template",
2817     "Save current settings as new template"
2818   },
2819
2820   // ---------- element settings (buttons) ------------------------------------
2821
2822   {
2823     -1,                                 -1,
2824     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2825     -1,                                 "Save",
2826     NULL, " ",                          "As Template",
2827     "Save current settings as new template"
2828   },
2829   {
2830     -1,                                 -1,
2831     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2832     -1,                                 "New",
2833     NULL, NULL, NULL,                   "Add new change page"
2834   },
2835   {
2836     -1,                                 -1,
2837     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2838     -1,                                 "Delete",
2839     NULL, NULL, NULL,                   "Delete current change page"
2840   },
2841 };
2842
2843 static struct
2844 {
2845   int graphic;
2846   int x, y;
2847   int gadget_id;
2848   int gadget_id_align;
2849   char *text_left, *text_right, *infotext;
2850 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2851 {
2852   {
2853     IMG_EDITOR_COUNTER_DOWN,
2854     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2855     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2856     NULL, NULL,                         "select previous change page"
2857   },
2858   {
2859     IMG_EDITOR_COUNTER_UP,
2860     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2861     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2862     NULL, "change page",                "select next change page"
2863   },
2864   {
2865     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2866     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2867     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2868     " ", NULL,                          "copy settings from this change page"
2869   },
2870   {
2871     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2872     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2873     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2874     NULL, NULL,                         "paste settings to this change page"
2875   },
2876 };
2877
2878 static struct
2879 {
2880   int x, y;
2881 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2882
2883 static struct
2884 {
2885   int graphic;
2886   int gadget_id;
2887   char *infotext;
2888 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2889 {
2890   {
2891     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2892     GADGET_ID_SCROLL_UP,
2893     "scroll level editing area up"
2894   },
2895   {
2896     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2897     GADGET_ID_SCROLL_DOWN,
2898     "scroll level editing area down"
2899   },
2900   {
2901     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2902     GADGET_ID_SCROLL_LEFT,
2903     "scroll level editing area left"
2904   },
2905   {
2906     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2907     GADGET_ID_SCROLL_RIGHT,
2908     "scroll level editing area right"
2909   },
2910   {
2911     IMG_EDITOR_PALETTE_SCROLL_UP,
2912     GADGET_ID_SCROLL_LIST_UP,
2913     "scroll element list up ('Page Up')"
2914   },
2915   {
2916     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2917     GADGET_ID_SCROLL_LIST_DOWN,
2918     "scroll element list down ('Page Down')"
2919   },
2920 };
2921
2922 static struct
2923 {
2924   int x, y;
2925   int width, height;
2926   int wheel_x, wheel_y;
2927   int wheel_width, wheel_height;
2928 } scrollbar_pos[ED_NUM_SCROLLBARS];
2929
2930 static struct
2931 {
2932   int graphic;
2933   int type;
2934   int gadget_id;
2935   char *infotext;
2936 } scrollbar_info[ED_NUM_SCROLLBARS] =
2937 {
2938   {
2939     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2940     GD_TYPE_SCROLLBAR_HORIZONTAL,
2941     GADGET_ID_SCROLL_HORIZONTAL,
2942     "scroll level editing area horizontally"
2943   },
2944   {
2945     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2946     GD_TYPE_SCROLLBAR_VERTICAL,
2947     GADGET_ID_SCROLL_VERTICAL,
2948     "scroll level editing area vertically"
2949   },
2950   {
2951     IMG_EDITOR_PALETTE_SCROLLBAR,
2952     GD_TYPE_SCROLLBAR_VERTICAL,
2953     GADGET_ID_SCROLL_LIST_VERTICAL,
2954     "scroll element list vertically"
2955   }
2956 };
2957
2958
2959 static struct
2960 {
2961   int x, y;
2962   int gadget_id;
2963   int gadget_id_align;
2964   int radio_button_nr;
2965   int *value;
2966   int checked_value;
2967   char *text_left, *text_right, *infotext;
2968 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2969 {
2970   {
2971     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2972     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2973     RADIO_NR_RANDOM_ELEMENTS,
2974     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2975     " ", "percentage",                  "use percentage for random elements"
2976   },
2977   {
2978     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2979     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2980     RADIO_NR_RANDOM_ELEMENTS,
2981     &random_placement_method,           RANDOM_USE_QUANTITY,
2982     " ", "quantity",                    "use quantity for random elements"
2983   }
2984 };
2985
2986 static struct
2987 {
2988   int x, y;
2989   int gadget_id;
2990   int gadget_id_align;
2991   boolean *value;
2992   char *text_above, *text_left, *text_right, *infotext;
2993 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2994 {
2995   // ---------- level and editor settings -------------------------------------
2996
2997   {
2998     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2999     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3000     &level.auto_count_gems,
3001     NULL, NULL,
3002     "automatically count gems needed",  "set counter to number of gems"
3003   },
3004   {
3005     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3006     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3007     &levelset_use_levelset_artwork,
3008     NULL, NULL,
3009     "use current custom artwork",       "use custom artwork of this level set"
3010   },
3011   {
3012     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3013     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3014     &levelset_copy_level_template,
3015     NULL, NULL,
3016     "copy current level template",      "copy level template of this level set"
3017   },
3018   {
3019     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3020     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3021     &random_placement_background_restricted,
3022     NULL, NULL,
3023     "restrict random placement to:",    "set random placement restriction"
3024   },
3025   {
3026     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3027     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3028     &setup.editor.use_template_for_new_levels,
3029     "Template for new levels and CE/GE:", NULL,
3030     "use template for new levels",      "use template for level properties"
3031   },
3032   {
3033     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3034     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3035     &level.use_custom_template,
3036     NULL, NULL,
3037     "use template for custom elements", "use template for custom properties"
3038   },
3039
3040   // ---------- element settings: configure (various elements) ----------------
3041
3042   {
3043     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3044     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3045     &stick_element_properties_window,
3046     NULL, NULL,
3047     "stick this screen to edit content","stick this screen to edit content"
3048   },
3049   {
3050     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3051     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3052     &level.em_slippery_gems,
3053     NULL, NULL,
3054     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3055   },
3056   {
3057     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3058     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3059     &level.em_explodes_by_fire,
3060     NULL, NULL,
3061     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3062   },
3063   {
3064     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3065     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3066     &level.use_spring_bug,
3067     NULL, NULL,
3068     "use spring pushing bug",           "use odd spring pushing behaviour"
3069   },
3070   {
3071     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3072     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3073     &level.use_time_orb_bug,
3074     NULL, NULL,
3075     "use time orb bug",                 "use odd time orb behaviour"
3076   },
3077   {
3078     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3079     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3080     &level.use_life_bugs,
3081     NULL, NULL,
3082     "use buggy element behaviour",      "use odd (historic) element behaviour"
3083   },
3084   {
3085     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3086     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3087     &level.ball_random,
3088     NULL, NULL,
3089     "create single random element",     "only create one element from content"
3090   },
3091   {
3092     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3093     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3094     &level.ball_active_initial,
3095     NULL, NULL,
3096     "magic ball initially activated",   "activate magic ball after level start"
3097   },
3098   {
3099     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3100     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3101     &level.grow_into_diggable,
3102     NULL, NULL,
3103     "can grow into anything diggable",  "grow into more than just sand"
3104   },
3105   {
3106     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3107     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3108     &level.sb_fields_needed,
3109     NULL, NULL,
3110     "all fields need to be filled",     "require all SB fields to be solved"
3111   },
3112   {
3113     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3114     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3115     &level.sb_objects_needed,
3116     NULL, NULL,
3117     "all objects need to be placed",    "require all SB objects to be solved"
3118   },
3119   {
3120     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3121     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3122     &level.auto_exit_sokoban,
3123     NULL, NULL,
3124     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3125   },
3126   {
3127     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3128     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3129     &level.solved_by_one_player,
3130     NULL, NULL,
3131     "only one player must enter exit",  "level solved by first player in exit"
3132   },
3133   {
3134     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3135     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3136     &level.finish_dig_collect,
3137     NULL, NULL,
3138     "CE action on finished dig/collect", "only finished dig/collect triggers CE"
3139   },
3140   {
3141     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3142     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3143     &level.continuous_snapping,
3144     NULL, NULL,
3145     "continuous snapping",              "use snapping without releasing key"
3146   },
3147   {
3148     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3149     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3150     &level.block_snap_field,
3151     NULL, NULL,
3152     "block snapped field when snapping", "use snapping delay to show animation"
3153   },
3154   {
3155     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3156     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3157     &level.block_last_field,
3158     NULL, NULL,
3159     "block last field when moving",     "player blocks last field when moving"
3160   },
3161   {
3162     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3163     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3164     &level.sp_block_last_field,
3165     NULL, NULL,
3166     "block last field when moving",     "player blocks last field when moving"
3167   },
3168   {
3169     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3170     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3171     &level.instant_relocation,
3172     NULL, NULL,
3173     "no scrolling when relocating",     "player gets relocated without delay"
3174   },
3175   {
3176     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3177     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3178     &level.shifted_relocation,
3179     NULL, NULL,
3180     "no centering when relocating",     "level not centered after relocation"
3181   },
3182   {
3183     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3184     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3185     &level.lazy_relocation,
3186     NULL, NULL,
3187     "only redraw off-screen relocation","no redraw if relocation target visible"
3188   },
3189   {
3190     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3191     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3192     &level.use_start_element[0],
3193     NULL, NULL,
3194     "use level start element:",        "start level at this element's position"
3195   },
3196   {
3197     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3198     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3199     &level.use_artwork_element[0],
3200     NULL, NULL,
3201     "use artwork from element:",        "use player artwork from other element"
3202   },
3203   {
3204     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3205     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3206     &level.use_explosion_element[0],
3207     NULL, NULL,
3208     "use explosion from element:",      "use explosion properties from element"
3209   },
3210   {
3211     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3212     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3213     &level.initial_player_gravity[0],
3214     NULL, NULL,
3215     "use initial gravity",              "set initial player gravity"
3216   },
3217   {
3218     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3219     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3220     &level.use_initial_inventory[0],
3221     NULL, NULL,
3222     "use initial inventory:",           "use collected elements on level start"
3223   },
3224   {
3225     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3226     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3227     &level.can_pass_to_walkable,
3228     NULL, NULL,
3229     "can pass to walkable element",     "player can pass to empty or walkable"
3230   },
3231   {
3232     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3233     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3234     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3235     NULL, NULL,
3236     "can fall into acid (with gravity)","player can fall into acid pool"
3237   },
3238   {
3239     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3240     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3241     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3242     NULL, NULL,
3243     "can move into acid",               "element can move into acid pool"
3244   },
3245   {
3246     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3247     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3248     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3249     NULL, NULL,
3250     "deadly when colliding with",       "element is deadly when hitting player"
3251   },
3252   {
3253     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3254     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3255     &level.envelope[0].autowrap,
3256     NULL, NULL,
3257     "auto-wrap",                        "automatically wrap envelope text"
3258   },
3259   {
3260     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3261     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3262     &level.envelope[0].centered,
3263     NULL, " ",
3264     "centered",                         "automatically center envelope text"
3265   },
3266   {
3267     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3268     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3269     &level.mm_laser_red,
3270     "choose color components for laser:", NULL,
3271     "red",                              "use red color components in laser"
3272   },
3273   {
3274     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3275     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3276     &level.mm_laser_green,
3277     NULL, NULL,
3278     "green",                            "use green color components in laser"
3279   },
3280   {
3281     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3282     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3283     &level.mm_laser_blue,
3284     NULL, NULL,
3285     "blue",                             "use blue color components in laser"
3286   },
3287   {
3288     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3289     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3290     &level.df_laser_red,
3291     "choose color components for laser:", NULL,
3292     "red",                              "use red color components in laser"
3293   },
3294   {
3295     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3296     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3297     &level.df_laser_green,
3298     NULL, NULL,
3299     "green",                            "use green color components in laser"
3300   },
3301   {
3302     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3303     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3304     &level.df_laser_blue,
3305     NULL, NULL,
3306     "blue",                             "use blue color components in laser"
3307   },
3308
3309   // ---------- element settings: configure 1 (custom elements) ---------------
3310
3311   {
3312     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3313     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3314     &custom_element.use_gfx_element,
3315     NULL, NULL,
3316     "use graphic of element:",          "use existing element graphic"
3317   },
3318   {
3319     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3320     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3321     &level.use_custom_template,
3322     NULL, NULL,
3323     "use template",                     "use template for custom properties"
3324   },
3325   {
3326     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3327     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3328     &custom_element_properties[EP_ACCESSIBLE],
3329     NULL, NULL,
3330     NULL,                               "player can walk to or pass this field"
3331   },
3332   {
3333     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3334     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3335     &custom_element_properties[EP_GRAVITY_REACHABLE],
3336     NULL, NULL,
3337     "reachable despite gravity",        "player can walk/dig despite gravity"
3338   },
3339   {
3340     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3341     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3342     &custom_element.use_last_ce_value,
3343     NULL, NULL,
3344     "use last CE value after change",   "use last CE value after change"
3345   },
3346   {
3347     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3348     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3349     &custom_element_properties[EP_WALK_TO_OBJECT],
3350     NULL, NULL,
3351     NULL,                               "player can dig/collect/push element"
3352   },
3353   {
3354     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3355     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3356     &custom_element_properties[EP_INDESTRUCTIBLE],
3357     NULL, NULL,
3358     "indestructible",                   "element is indestructible"
3359   },
3360
3361   // ---------- element settings: configure 2 (custom elements) ---------------
3362
3363   {
3364     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3365     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3366     &custom_element_properties[EP_CAN_MOVE],
3367     NULL, NULL,
3368     NULL,                               "element can move with some pattern"
3369   },
3370   {
3371     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3372     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3373     &custom_element_properties[EP_CAN_FALL],
3374     NULL, NULL,
3375     "can fall",                         "element can fall down"
3376   },
3377   {
3378     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3379     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3380     &custom_element_properties[EP_CAN_SMASH],
3381     NULL, " ",
3382     NULL,                               "element can smash other elements"
3383   },
3384   {
3385     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3386     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3387     &custom_element_properties[EP_SLIPPERY],
3388     NULL, NULL,
3389     NULL,                               "other elements can fall down from it"
3390   },
3391   {
3392     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3393     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3394     &custom_element_properties[EP_DEADLY],
3395     NULL, NULL,
3396     NULL,                               "element can kill the player"
3397   },
3398   {
3399     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3400     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3401     &custom_element_properties[EP_CAN_EXPLODE],
3402     NULL, NULL,
3403     NULL,                               "element can explode"
3404   },
3405   {
3406     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3407     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3408     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3409     NULL, NULL,
3410     "by fire",                          "element can explode by fire/explosion"
3411   },
3412   {
3413     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3414     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3415     &custom_element_properties[EP_EXPLODES_SMASHED],
3416     NULL, " ",
3417     "smashed",                          "element can explode when smashed"
3418   },
3419   {
3420     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3421     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3422     &custom_element_properties[EP_EXPLODES_IMPACT],
3423     NULL, " ",
3424     "impact",                           "element can explode on impact"
3425   },
3426
3427   // ---------- element settings: advanced (custom elements) ------------------
3428
3429   {
3430     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3431     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3432     &custom_element_change.can_change,
3433     NULL, NULL,
3434     "element changes to:",              "change element on specified condition"
3435   },
3436   {
3437     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3438     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3439     &custom_element_change_events[CE_DELAY],
3440     NULL, NULL,
3441     NULL,                               "element changes after delay"
3442   },
3443   {
3444     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3445     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3446     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3447     NULL, NULL,
3448     NULL,                               "element changes by direct action"
3449   },
3450   {
3451     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3452     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3453     &custom_element_change_events[CE_BY_OTHER_ACTION],
3454     NULL, NULL,
3455     NULL,                               "element changes by other element"
3456   },
3457   {
3458     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3459     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3460     &custom_element_change.explode,
3461     NULL, NULL,
3462     "explode instead of change",        "element explodes instead of change"
3463   },
3464   {
3465     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3466     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3467     &custom_element_change.use_target_content,
3468     NULL, NULL,
3469     "use extended change target:",      "element changes to more elements"
3470   },
3471   {
3472     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3473     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3474     &custom_element_change.only_if_complete,
3475     NULL, NULL,
3476     "replace all or nothing",           "only replace when all can be changed"
3477   },
3478   {
3479     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3480     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3481     &custom_element_change.use_random_replace,
3482     NULL, NULL,
3483     NULL,                               "use percentage for random replace"
3484   },
3485   {
3486     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3487     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3488     &custom_element_change.has_action,
3489     NULL, NULL,
3490     NULL,                               "execute action on specified condition"
3491   },
3492 };
3493
3494 static struct
3495 {
3496   int x, y;
3497   int xoffset, yoffset;
3498   int gadget_id;
3499   int gadget_id_align;
3500   int *value;
3501   int area_xsize, area_ysize;
3502   char *text_left, *text_right, *text_above, *text_below, *infotext;
3503 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3504 {
3505   // ---------- level playfield content ---------------------------------------
3506
3507   {
3508     0,                                  0,
3509     0,                                  0,
3510     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3511     NULL,
3512     -1, -1,     // these values are not constant, but can change at runtime
3513     NULL, NULL, NULL, NULL,             NULL
3514   },
3515
3516   // ---------- yam yam content -----------------------------------------------
3517
3518   {
3519     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3520     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3521     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3522     &level.yamyam_content[0].e[0][0],   3, 3,
3523     NULL, NULL, NULL, "1",              NULL
3524   },
3525   {
3526     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3527     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3528     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3529     &level.yamyam_content[1].e[0][0],   3, 3,
3530     NULL, NULL, NULL, "2",              NULL
3531   },
3532   {
3533     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3534     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3535     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3536     &level.yamyam_content[2].e[0][0],   3, 3,
3537     NULL, NULL, NULL, "3",              NULL
3538   },
3539   {
3540     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3541     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3542     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3543     &level.yamyam_content[3].e[0][0],   3, 3,
3544     NULL, NULL, NULL, "4",              NULL
3545   },
3546   {
3547     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3548     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3549     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3550     &level.yamyam_content[4].e[0][0],   3, 3,
3551     NULL, NULL, NULL, "5",              NULL
3552   },
3553   {
3554     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3555     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3556     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3557     &level.yamyam_content[5].e[0][0],   3, 3,
3558     NULL, NULL, NULL, "6",              NULL
3559   },
3560   {
3561     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3562     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3563     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3564     &level.yamyam_content[6].e[0][0],   3, 3,
3565     NULL, NULL, NULL, "7",              NULL
3566   },
3567   {
3568     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3569     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3570     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3571     &level.yamyam_content[7].e[0][0],   3, 3,
3572     NULL, NULL, NULL, "8",              NULL
3573   },
3574
3575   // ---------- magic ball content --------------------------------------------
3576
3577   {
3578     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3579     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3580     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3581     &level.ball_content[0].e[0][0],     3, 3,
3582     NULL, NULL, NULL, "1",              NULL
3583   },
3584   {
3585     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3586     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3587     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3588     &level.ball_content[1].e[0][0],     3, 3,
3589     NULL, NULL, NULL, "2",              NULL
3590   },
3591   {
3592     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3593     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3594     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3595     &level.ball_content[2].e[0][0],     3, 3,
3596     NULL, NULL, NULL, "3",              NULL
3597   },
3598   {
3599     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3600     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3601     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3602     &level.ball_content[3].e[0][0],     3, 3,
3603     NULL, NULL, NULL, "4",              NULL
3604   },
3605   {
3606     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3607     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3608     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3609     &level.ball_content[4].e[0][0],     3, 3,
3610     NULL, NULL, NULL, "5",              NULL
3611   },
3612   {
3613     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3614     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3615     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3616     &level.ball_content[5].e[0][0],     3, 3,
3617     NULL, NULL, NULL, "6",              NULL
3618   },
3619   {
3620     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3621     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3622     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3623     &level.ball_content[6].e[0][0],     3, 3,
3624     NULL, NULL, NULL, "7",              NULL
3625   },
3626   {
3627     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3628     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3629     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3630     &level.ball_content[7].e[0][0],     3, 3,
3631     NULL, NULL, NULL, "8",              NULL
3632   },
3633
3634   // ---------- android content -----------------------------------------------
3635
3636   {
3637     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
3638     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3639     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3640     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3641     NULL, NULL, "elements:", NULL,      "elements android can clone"
3642   },
3643
3644   // ---------- amoeba content ------------------------------------------------
3645
3646   {
3647     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3648     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3649     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3650     &level.amoeba_content,              1, 1,
3651     "content:", NULL, NULL, NULL,       "amoeba content"
3652   },
3653
3654   // ---------- level start element -------------------------------------------
3655
3656   {
3657     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3658     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3659     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3660     &level.start_element[0],            1, 1,
3661     NULL, NULL, NULL, NULL,             "level start element"
3662   },
3663
3664   // ---------- player artwork element ----------------------------------------
3665
3666   {
3667     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3668     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3669     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3670     &level.artwork_element[0],          1, 1,
3671     NULL, NULL, NULL, NULL,             "element for player artwork"
3672   },
3673
3674   // ---------- player explosion element --------------------------------------
3675
3676   {
3677     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3678     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3679     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3680     &level.explosion_element[0],        1, 1,
3681     NULL, NULL, NULL, NULL,             "element for player explosion"
3682   },
3683
3684   // ---------- player initial inventory --------------------------------------
3685
3686   {
3687     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3688     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3689     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3690     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3691     NULL, NULL, NULL, NULL,             "content for initial inventory"
3692   },
3693
3694   // ---------- element settings: configure 1 (custom elements) ---------------
3695
3696   // ---------- custom graphic ------------------------------------------------
3697
3698   {
3699     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3700     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3701     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3702     &custom_element.gfx_element_initial,1, 1,
3703     NULL, NULL, NULL, NULL,             "custom graphic element"
3704   },
3705
3706   // ---------- element settings: configure 2 (custom elements) ---------------
3707
3708   // ---------- custom content (when exploding) -------------------------------
3709
3710   {
3711     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3712     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3713     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
3714     &custom_element.content.e[0][0],    3, 3,
3715     "content:", NULL, NULL, NULL,       NULL
3716   },
3717
3718   // ---------- custom enter and leave element (when moving) ------------------
3719
3720   {
3721     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3722     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3723     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3724     &custom_element.move_enter_element, 1, 1,
3725     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
3726   },
3727   {
3728     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3729     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3730     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3731     &custom_element.move_leave_element, 1, 1,
3732     NULL, NULL, NULL, NULL,             "element that will be left behind"
3733   },
3734
3735   // ---------- element settings: advanced (custom elements) ------------------
3736
3737   // ---------- custom change target ------------------------------------------
3738
3739   {
3740     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3741     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3742     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3743     &custom_element_change.target_element, 1, 1,
3744     NULL, "after/when:", NULL, NULL,    "new target element after change"
3745   },
3746
3747   // ---------- custom change content (extended change target) ----------------
3748
3749   {
3750     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3751     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3752     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
3753     &custom_element_change.target_content.e[0][0], 3, 3,
3754     NULL, NULL, NULL, NULL,             "new extended elements after change"
3755   },
3756
3757   // ---------- custom change trigger (element causing change) ----------------
3758
3759   {
3760     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3761     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3762     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3763     &custom_element_change.initial_trigger_element, 1, 1,
3764     NULL, NULL, NULL, NULL,             "other element triggering change"
3765   },
3766
3767   // ---------- custom change action (element used for action) ----------------
3768
3769   {
3770     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3771     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3772     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3773     &custom_element_change.action_element, 1, 1,
3774     NULL, NULL, NULL, NULL,             "element used as action parameter"
3775   },
3776
3777   // ---------- group element content -----------------------------------------
3778
3779   {
3780     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3781     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3782     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3783     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3784     "content:", NULL, NULL, NULL,       NULL
3785   },
3786
3787   // ---------- random background (for random painting) -----------------------
3788
3789   {
3790     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3791     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3792     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3793     &random_placement_background_element, 1, 1,
3794     NULL, NULL, NULL, NULL,             "random placement background"
3795   },
3796 };
3797
3798
3799 // ----------------------------------------------------------------------------
3800 // some internally used variables
3801 // ----------------------------------------------------------------------------
3802
3803 // maximal size of level editor drawing area
3804 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3805
3806 // actual size of level editor drawing area
3807 static int ed_fieldx, ed_fieldy;
3808
3809 // actual position of level editor drawing area in level playfield
3810 static int level_xpos = -1, level_ypos = -1;
3811
3812 // actual tile size used to display playfield drawing area
3813 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3814 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3815
3816 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3817
3818 // drawing elements on the three mouse buttons
3819 static int new_element1 = EL_WALL;
3820 static int new_element2 = EL_EMPTY;
3821 static int new_element3 = EL_SAND;
3822
3823 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3824 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3825                                 (button) == 2 ? new_element2 : \
3826                                 (button) == 3 ? new_element3 : EL_EMPTY)
3827
3828 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3829
3830 static int use_permanent_palette = TRUE;
3831
3832 #define PX              (use_permanent_palette ? DX : SX)
3833 #define PY              (use_permanent_palette ? DY : SY)
3834 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3835 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3836
3837 // forward declaration for internal use
3838 static void CopyBrushToCursor(int, int);
3839 static void DeleteBrushFromCursor(void);
3840 static void ModifyEditorCounterValue(int, int);
3841 static void ModifyEditorCounterLimits(int, int, int);
3842 static void ModifyEditorSelectboxValue(int, int);
3843 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3844 static void ModifyEditorDrawingArea(int, int, int);
3845 static void ModifyEditorElementList(void);
3846 static void AdjustElementListScrollbar(void);
3847 static void RedrawDrawingElements(void);
3848 static void DrawDrawingWindowExt(boolean);
3849 static void DrawDrawingWindow(void);
3850 static void DrawLevelInfoWindow(void);
3851 static void DrawPropertiesWindow(void);
3852 static void DrawPaletteWindow(void);
3853 static void UpdateCustomElementGraphicGadgets(void);
3854 static boolean checkPropertiesConfig(int);
3855 static void SetAutomaticNumberOfGemsNeeded(void);
3856 static void ClearEditorGadgetInfoText(void);
3857 static void CopyLevelToUndoBuffer(int);
3858 static void HandleDrawingAreas(struct GadgetInfo *);
3859 static void HandleCounterButtons(struct GadgetInfo *);
3860 static void HandleTextInputGadgets(struct GadgetInfo *);
3861 static void HandleTextAreaGadgets(struct GadgetInfo *);
3862 static void HandleSelectboxGadgets(struct GadgetInfo *);
3863 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3864 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3865 static void HandleRadiobuttons(struct GadgetInfo *);
3866 static void HandleCheckbuttons(struct GadgetInfo *);
3867 static void HandleControlButtons(struct GadgetInfo *);
3868 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3869 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3870 static boolean AskToCopyAndModifyLevelTemplate(void);
3871 static boolean getDrawModeHiRes(void);
3872 static int getTabulatorBarWidth(void);
3873 static int getTabulatorBarHeight(void);
3874 static Pixel getTabulatorBarColor(void);
3875
3876 static int num_editor_gadgets = 0;      // dynamically determined
3877
3878 static struct GadgetInfo **level_editor_gadget = NULL;
3879 static int *right_gadget_border = NULL;
3880
3881 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3882 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3883 static boolean draw_with_brush = FALSE;
3884 static int properties_element = 0;
3885
3886 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3887 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3888 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3889 static int undo_buffer_position = 0;
3890 static int undo_buffer_steps = 0;
3891 static int redo_buffer_steps = 0;
3892
3893 static int edit_mode;
3894 static int edit_mode_levelinfo;
3895 static int edit_mode_properties;
3896
3897 static int element_shift = 0;
3898
3899 static int editor_el_players[] =
3900 {
3901   EL_PLAYER_1,
3902   EL_PLAYER_2,
3903   EL_PLAYER_3,
3904   EL_PLAYER_4
3905 };
3906 static int *editor_el_players_ptr = editor_el_players;
3907 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
3908
3909 static int editor_hl_boulderdash[] =
3910 {
3911   EL_INTERNAL_CASCADE_BD_ACTIVE,
3912   EL_CHAR('B'),
3913   EL_CHAR('D'),
3914   EL_EMPTY,
3915 };
3916
3917 static int editor_el_boulderdash[] =
3918 {
3919   EL_EMPTY,
3920   EL_SAND,
3921   EL_BD_ROCK,
3922   EL_BD_DIAMOND,
3923
3924   EL_STEELWALL,
3925   EL_BD_WALL,
3926   EL_BD_EXPANDABLE_WALL,
3927   EL_BD_MAGIC_WALL,
3928
3929   EL_BD_AMOEBA,
3930   EL_BD_BUTTERFLY_UP,
3931   EL_BD_FIREFLY_UP,
3932   EL_EXIT_CLOSED,
3933
3934   EL_BD_BUTTERFLY_LEFT,
3935   EL_BD_FIREFLY_LEFT,
3936   EL_BD_BUTTERFLY_RIGHT,
3937   EL_BD_FIREFLY_RIGHT,
3938
3939   EL_EMPTY,
3940   EL_BD_BUTTERFLY_DOWN,
3941   EL_BD_FIREFLY_DOWN,
3942   EL_EXIT_OPEN,
3943 };
3944 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3945 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3946 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
3947 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
3948
3949 static int editor_hl_emerald_mine[] =
3950 {
3951   EL_INTERNAL_CASCADE_EM_ACTIVE,
3952   EL_CHAR('E'),
3953   EL_CHAR('M'),
3954   EL_EMPTY,
3955 };
3956
3957 static int editor_el_emerald_mine[] =
3958 {
3959   EL_SAND,
3960   EL_ROCK,
3961   EL_QUICKSAND_EMPTY,
3962   EL_QUICKSAND_FULL,
3963
3964   EL_STEELWALL,
3965   EL_WALL,
3966   EL_WALL_SLIPPERY,
3967   EL_MAGIC_WALL,
3968
3969   EL_EMERALD,
3970   EL_DIAMOND,
3971   EL_NUT,
3972   EL_BOMB,
3973
3974   EL_EM_DYNAMITE,
3975   EL_EM_DYNAMITE_ACTIVE,
3976   EL_EM_EXIT_CLOSED,
3977   EL_EM_EXIT_OPEN,
3978
3979   EL_YAMYAM_UP,
3980   EL_BUG_UP,
3981   EL_SPACESHIP_UP,
3982   EL_ROBOT,
3983
3984   EL_BUG_LEFT,
3985   EL_SPACESHIP_LEFT,
3986   EL_BUG_RIGHT,
3987   EL_SPACESHIP_RIGHT,
3988
3989   EL_ROBOT_WHEEL,
3990   EL_BUG_DOWN,
3991   EL_SPACESHIP_DOWN,
3992   EL_INVISIBLE_WALL,
3993
3994   EL_ACID_POOL_TOPLEFT,
3995   EL_ACID,
3996   EL_ACID_POOL_TOPRIGHT,
3997   EL_AMOEBA_DROP,
3998
3999   EL_ACID_POOL_BOTTOMLEFT,
4000   EL_ACID_POOL_BOTTOM,
4001   EL_ACID_POOL_BOTTOMRIGHT,
4002   EL_AMOEBA_WET,
4003
4004   EL_EM_KEY_1,
4005   EL_EM_KEY_2,
4006   EL_EM_KEY_3,
4007   EL_EM_KEY_4,
4008
4009   EL_EM_GATE_1,
4010   EL_EM_GATE_2,
4011   EL_EM_GATE_3,
4012   EL_EM_GATE_4,
4013
4014   EL_EM_GATE_1_GRAY,
4015   EL_EM_GATE_2_GRAY,
4016   EL_EM_GATE_3_GRAY,
4017   EL_EM_GATE_4_GRAY,
4018 };
4019 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4020 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4021 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4022 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4023
4024 static int editor_hl_emerald_mine_club[] =
4025 {
4026   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4027   EL_CHAR('E'),
4028   EL_CHAR('M'),
4029   EL_CHAR('C'),
4030 };
4031
4032 static int editor_el_emerald_mine_club[] =
4033 {
4034   EL_EMC_KEY_5,
4035   EL_EMC_KEY_6,
4036   EL_EMC_KEY_7,
4037   EL_EMC_KEY_8,
4038
4039   EL_EMC_GATE_5,
4040   EL_EMC_GATE_6,
4041   EL_EMC_GATE_7,
4042   EL_EMC_GATE_8,
4043
4044   EL_EMC_GATE_5_GRAY,
4045   EL_EMC_GATE_6_GRAY,
4046   EL_EMC_GATE_7_GRAY,
4047   EL_EMC_GATE_8_GRAY,
4048
4049   EL_EMC_STEELWALL_1,
4050   EL_EMC_STEELWALL_2,
4051   EL_EMC_STEELWALL_3,
4052   EL_EMC_STEELWALL_4,
4053
4054   EL_EMC_WALL_13,
4055   EL_EMC_WALL_14,
4056   EL_EMC_WALL_15,
4057   EL_EMC_WALL_16,
4058
4059   EL_EMC_WALL_SLIPPERY_1,
4060   EL_EMC_WALL_SLIPPERY_2,
4061   EL_EMC_WALL_SLIPPERY_3,
4062   EL_EMC_WALL_SLIPPERY_4,
4063
4064   EL_EMC_WALL_1,
4065   EL_EMC_WALL_2,
4066   EL_EMC_WALL_3,
4067   EL_EMC_WALL_4,
4068
4069   EL_EMC_WALL_5,
4070   EL_EMC_WALL_6,
4071   EL_EMC_WALL_7,
4072   EL_EMC_WALL_8,
4073
4074   EL_EMC_WALL_9,
4075   EL_EMC_WALL_10,
4076   EL_EMC_WALL_11,
4077   EL_EMC_WALL_12,
4078
4079   EL_EMC_GRASS,
4080   EL_EMC_FAKE_GRASS,
4081   EL_EMC_PLANT,
4082   EL_EMC_DRIPPER,
4083
4084   EL_EMC_MAGIC_BALL,
4085   EL_EMC_MAGIC_BALL_SWITCH,
4086   EL_EMC_LENSES,
4087   EL_EMC_MAGNIFIER,
4088
4089   EL_SPRING_LEFT,
4090   EL_SPRING,
4091   EL_SPRING_RIGHT,
4092   EL_EMC_SPRING_BUMPER,
4093
4094   EL_BALLOON,
4095   EL_YAMYAM_UP,
4096   EL_BALLOON_SWITCH_UP,
4097   EL_BALLOON_SWITCH_ANY,
4098
4099   EL_YAMYAM_LEFT,
4100   EL_BALLOON_SWITCH_LEFT,
4101   EL_YAMYAM_RIGHT,
4102   EL_BALLOON_SWITCH_RIGHT,
4103
4104   EL_EMC_ANDROID,
4105   EL_YAMYAM_DOWN,
4106   EL_BALLOON_SWITCH_DOWN,
4107   EL_BALLOON_SWITCH_NONE,
4108 };
4109 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4110 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4111 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4112 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4113
4114 static int editor_hl_rnd[] =
4115 {
4116   EL_INTERNAL_CASCADE_RND_ACTIVE,
4117   EL_CHAR('R'),
4118   EL_CHAR('N'),
4119   EL_CHAR('D'),
4120 };
4121
4122 static int editor_el_rnd[] =
4123 {
4124   EL_DYNAMITE,                  // RND
4125   EL_DYNAMITE_ACTIVE,           // RND
4126   EL_EMPTY,
4127   EL_EMPTY,
4128
4129   EL_KEY_1,
4130   EL_KEY_2,
4131   EL_KEY_3,
4132   EL_KEY_4,
4133
4134   EL_GATE_1,
4135   EL_GATE_2,
4136   EL_GATE_3,
4137   EL_GATE_4,
4138
4139   EL_GATE_1_GRAY,
4140   EL_GATE_2_GRAY,
4141   EL_GATE_3_GRAY,
4142   EL_GATE_4_GRAY,
4143
4144   EL_ARROW_LEFT,
4145   EL_ARROW_RIGHT,
4146   EL_ARROW_UP,
4147   EL_ARROW_DOWN,
4148
4149   EL_AMOEBA_DEAD,
4150   EL_AMOEBA_DRY,
4151   EL_AMOEBA_FULL,
4152   EL_GAME_OF_LIFE,
4153
4154   EL_EMERALD_YELLOW,
4155   EL_EMERALD_RED,
4156   EL_EMERALD_PURPLE,
4157   EL_BIOMAZE,
4158
4159   EL_WALL_EMERALD_YELLOW,
4160   EL_WALL_EMERALD_RED,
4161   EL_WALL_EMERALD_PURPLE,
4162   EL_WALL_BD_DIAMOND,
4163
4164   EL_SPEED_PILL,
4165   EL_PACMAN_UP,
4166   EL_TIME_ORB_FULL,
4167   EL_TIME_ORB_EMPTY,
4168
4169   EL_PACMAN_LEFT,
4170   EL_DARK_YAMYAM,
4171   EL_PACMAN_RIGHT,
4172   EL_YAMYAM,                    // RND
4173
4174   EL_BLACK_ORB,
4175   EL_PACMAN_DOWN,
4176   EL_LAMP,
4177   EL_LAMP_ACTIVE,
4178
4179   EL_DYNABOMB_INCREASE_NUMBER,
4180   EL_DYNABOMB_INCREASE_SIZE,
4181   EL_DYNABOMB_INCREASE_POWER,
4182   EL_STONEBLOCK,
4183
4184   EL_MOLE,
4185   EL_PENGUIN,
4186   EL_PIG,
4187   EL_DRAGON,
4188
4189   EL_BUG,
4190   EL_MOLE_UP,
4191   EL_BD_BUTTERFLY,
4192   EL_BD_FIREFLY,
4193
4194   EL_MOLE_LEFT,
4195   EL_SATELLITE,
4196   EL_MOLE_RIGHT,
4197   EL_PACMAN,
4198
4199   EL_SPACESHIP,
4200   EL_MOLE_DOWN,
4201   EL_INVISIBLE_STEELWALL,
4202   EL_INVISIBLE_WALL,
4203
4204   EL_EXPANDABLE_WALL,
4205   EL_EXPANDABLE_WALL_HORIZONTAL,
4206   EL_EXPANDABLE_WALL_VERTICAL,
4207   EL_EXPANDABLE_WALL_ANY,
4208 };
4209 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4210 static int *editor_el_rnd_ptr = editor_el_rnd;
4211 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4212 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4213
4214 static int editor_hl_sokoban[] =
4215 {
4216   EL_INTERNAL_CASCADE_SB_ACTIVE,
4217   EL_CHAR('S'),
4218   EL_CHAR('B'),
4219   EL_EMPTY,
4220 };
4221
4222 static int editor_el_sokoban[] =
4223 {
4224   EL_SOKOBAN_OBJECT,
4225   EL_SOKOBAN_FIELD_EMPTY,
4226   EL_SOKOBAN_FIELD_FULL,
4227   EL_SOKOBAN_FIELD_PLAYER,
4228 };
4229 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4230 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4231 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4232 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4233
4234 static int editor_hl_supaplex[] =
4235 {
4236   EL_INTERNAL_CASCADE_SP_ACTIVE,
4237   EL_CHAR('S'),
4238   EL_CHAR('P'),
4239   EL_EMPTY,
4240 };
4241
4242 static int editor_el_supaplex[] =
4243 {
4244   EL_SP_MURPHY,
4245   EL_EMPTY,
4246   EL_SP_BASE,
4247   EL_SP_BUGGY_BASE,
4248
4249   EL_SP_INFOTRON,
4250   EL_SP_ZONK,
4251   EL_SP_SNIKSNAK,
4252   EL_SP_ELECTRON,
4253
4254   EL_SP_DISK_RED,
4255   EL_SP_DISK_ORANGE,
4256   EL_SP_DISK_YELLOW,
4257   EL_SP_TERMINAL,
4258
4259   EL_SP_EXIT_CLOSED,
4260   EL_SP_PORT_HORIZONTAL,
4261   EL_SP_PORT_VERTICAL,
4262   EL_SP_PORT_ANY,
4263
4264   EL_SP_PORT_LEFT,
4265   EL_SP_PORT_RIGHT,
4266   EL_SP_PORT_UP,
4267   EL_SP_PORT_DOWN,
4268
4269   EL_SP_GRAVITY_PORT_LEFT,
4270   EL_SP_GRAVITY_PORT_RIGHT,
4271   EL_SP_GRAVITY_PORT_UP,
4272   EL_SP_GRAVITY_PORT_DOWN,
4273
4274   EL_SP_GRAVITY_ON_PORT_LEFT,
4275   EL_SP_GRAVITY_ON_PORT_RIGHT,
4276   EL_SP_GRAVITY_ON_PORT_UP,
4277   EL_SP_GRAVITY_ON_PORT_DOWN,
4278
4279   EL_SP_GRAVITY_OFF_PORT_LEFT,
4280   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4281   EL_SP_GRAVITY_OFF_PORT_UP,
4282   EL_SP_GRAVITY_OFF_PORT_DOWN,
4283
4284   EL_SP_HARDWARE_GRAY,
4285   EL_SP_HARDWARE_GREEN,
4286   EL_SP_HARDWARE_BLUE,
4287   EL_SP_HARDWARE_RED,
4288
4289   EL_SP_HARDWARE_BASE_1,
4290   EL_SP_HARDWARE_BASE_2,
4291   EL_SP_HARDWARE_BASE_3,
4292   EL_SP_HARDWARE_BASE_4,
4293
4294   EL_SP_HARDWARE_BASE_5,
4295   EL_SP_HARDWARE_BASE_6,
4296   EL_SP_HARDWARE_YELLOW,
4297   EL_SP_CHIP_TOP,
4298
4299   EL_SP_CHIP_SINGLE,
4300   EL_SP_CHIP_LEFT,
4301   EL_SP_CHIP_RIGHT,
4302   EL_SP_CHIP_BOTTOM,
4303 };
4304 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4305 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4306 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4307 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4308
4309 static int editor_hl_diamond_caves[] =
4310 {
4311   EL_INTERNAL_CASCADE_DC_ACTIVE,
4312   EL_CHAR('D'),
4313   EL_CHAR('C'),
4314   EL_CHAR('2'),
4315 };
4316
4317 static int editor_el_diamond_caves[] =
4318 {
4319   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4320   EL_EM_STEEL_EXIT_OPEN,        // DC2
4321   EL_WALL_EMERALD,              // DC2
4322   EL_WALL_DIAMOND,              // DC2
4323
4324   EL_PEARL,
4325   EL_CRYSTAL,
4326   EL_WALL_PEARL,
4327   EL_WALL_CRYSTAL,
4328
4329   EL_CONVEYOR_BELT_1_LEFT,
4330   EL_CONVEYOR_BELT_1_MIDDLE,
4331   EL_CONVEYOR_BELT_1_RIGHT,
4332   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4333
4334   EL_CONVEYOR_BELT_2_LEFT,
4335   EL_CONVEYOR_BELT_2_MIDDLE,
4336   EL_CONVEYOR_BELT_2_RIGHT,
4337   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4338
4339   EL_CONVEYOR_BELT_3_LEFT,
4340   EL_CONVEYOR_BELT_3_MIDDLE,
4341   EL_CONVEYOR_BELT_3_RIGHT,
4342   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4343
4344   EL_CONVEYOR_BELT_4_LEFT,
4345   EL_CONVEYOR_BELT_4_MIDDLE,
4346   EL_CONVEYOR_BELT_4_RIGHT,
4347   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4348
4349   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4350   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4351   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4352   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4353
4354   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4355   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4356   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4357   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4358
4359   EL_TIMEGATE_CLOSED,
4360   EL_TIMEGATE_OPEN,
4361   EL_TIMEGATE_SWITCH,
4362   EL_DC_TIMEGATE_SWITCH,
4363
4364   EL_SWITCHGATE_CLOSED,
4365   EL_SWITCHGATE_OPEN,
4366   EL_SWITCHGATE_SWITCH_UP,
4367   EL_SWITCHGATE_SWITCH_DOWN,
4368
4369   EL_LIGHT_SWITCH,
4370   EL_LIGHT_SWITCH_ACTIVE,
4371   EL_DC_SWITCHGATE_SWITCH_UP,
4372   EL_DC_SWITCHGATE_SWITCH_DOWN,
4373
4374   EL_STEEL_EXIT_CLOSED,
4375   EL_STEEL_EXIT_OPEN,
4376   EL_STEELWALL_SLIPPERY,
4377   EL_INVISIBLE_SAND,
4378
4379   EL_QUICKSAND_FAST_EMPTY,
4380   EL_QUICKSAND_FAST_FULL,
4381   EL_LANDMINE,
4382   EL_DC_LANDMINE,
4383
4384   EL_SHIELD_NORMAL,
4385   EL_SHIELD_DEADLY,
4386   EL_EXTRA_TIME,
4387   EL_DC_MAGIC_WALL,
4388
4389   EL_ENVELOPE_1,
4390   EL_ENVELOPE_2,
4391   EL_ENVELOPE_3,
4392   EL_ENVELOPE_4,
4393
4394   EL_SIGN_RADIOACTIVITY,
4395   EL_SIGN_WHEELCHAIR,
4396   EL_SIGN_PARKING,
4397   EL_SIGN_NO_ENTRY,
4398
4399   EL_SIGN_GIVE_WAY,
4400   EL_SIGN_ENTRY_FORBIDDEN,
4401   EL_SIGN_EMERGENCY_EXIT,
4402   EL_SIGN_YIN_YANG,
4403
4404 #if 0
4405   EL_SIGN_SPERMS,
4406   EL_SIGN_BULLET,
4407   EL_SIGN_HEART,
4408   EL_SIGN_CROSS,
4409
4410   EL_SIGN_FRANKIE,
4411   EL_EMPTY,
4412   EL_EMPTY,
4413   EL_EMPTY,
4414
4415   EL_SPERMS,
4416   EL_BULLET,
4417   EL_HEART,
4418   EL_CROSS,
4419
4420   EL_FRANKIE,
4421   EL_EMPTY,
4422   EL_EMPTY,
4423   EL_EMPTY,
4424 #endif
4425
4426   EL_DC_STEELWALL_2_SINGLE,
4427   EL_DC_STEELWALL_2_TOP,
4428   EL_SIGN_EXCLAMATION,
4429   EL_SIGN_STOP,
4430
4431   EL_DC_STEELWALL_2_LEFT,
4432   EL_DC_STEELWALL_2_MIDDLE,
4433   EL_DC_STEELWALL_2_HORIZONTAL,
4434   EL_DC_STEELWALL_2_RIGHT,
4435
4436   EL_DC_STEELWALL_1_TOPLEFT,
4437   EL_DC_STEELWALL_2_VERTICAL,
4438   EL_DC_STEELWALL_1_TOPRIGHT,
4439   EL_DC_GATE_WHITE,
4440
4441   EL_DC_STEELWALL_1_VERTICAL,
4442   EL_DC_STEELWALL_2_BOTTOM,
4443   EL_DC_KEY_WHITE,
4444   EL_DC_GATE_WHITE_GRAY,
4445
4446   EL_DC_STEELWALL_1_BOTTOMLEFT,
4447   EL_DC_STEELWALL_1_HORIZONTAL,
4448   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4449   EL_DC_GATE_FAKE_GRAY,
4450
4451   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4452   EL_DC_STEELWALL_1_BOTTOM,
4453   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4454   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4455
4456   EL_DC_STEELWALL_1_RIGHT,
4457   EL_EMPTY,
4458   EL_DC_STEELWALL_1_LEFT,
4459   EL_EXPANDABLE_STEELWALL_VERTICAL,
4460
4461   EL_DC_STEELWALL_1_TOPRIGHT_2,
4462   EL_DC_STEELWALL_1_TOP,
4463   EL_DC_STEELWALL_1_TOPLEFT_2,
4464   EL_EXPANDABLE_STEELWALL_ANY,
4465 };
4466 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4467 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4468 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
4469 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
4470
4471 static int editor_hl_dx_boulderdash[] =
4472 {
4473   EL_INTERNAL_CASCADE_DX_ACTIVE,
4474   EL_CHAR('D'),
4475   EL_CHAR('X'),
4476   EL_EMPTY,
4477 };
4478
4479 static int editor_el_dx_boulderdash[] =
4480 {
4481   EL_EMPTY,
4482   EL_TUBE_RIGHT_DOWN,
4483   EL_TUBE_HORIZONTAL_DOWN,
4484   EL_TUBE_LEFT_DOWN,
4485
4486   EL_TUBE_HORIZONTAL,
4487   EL_TUBE_VERTICAL_RIGHT,
4488   EL_TUBE_ANY,
4489   EL_TUBE_VERTICAL_LEFT,
4490
4491   EL_TUBE_VERTICAL,
4492   EL_TUBE_RIGHT_UP,
4493   EL_TUBE_HORIZONTAL_UP,
4494   EL_TUBE_LEFT_UP,
4495
4496   EL_TRAP,
4497   EL_DX_SUPABOMB,
4498   EL_EMPTY,
4499   EL_EMPTY
4500 };
4501 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4502 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4503 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
4504 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
4505
4506 static int editor_hl_mirror_magic[] =
4507 {
4508   EL_INTERNAL_CASCADE_MM_ACTIVE,
4509   EL_CHAR('M'),
4510   EL_CHAR('M'),
4511   EL_EMPTY,
4512 };
4513
4514 static int editor_el_mirror_magic[] =
4515 {
4516   EL_MM_MCDUFFIN_RIGHT,
4517   EL_MM_MCDUFFIN_UP,
4518   EL_MM_MCDUFFIN_LEFT,
4519   EL_MM_MCDUFFIN_DOWN,
4520
4521   EL_MM_MIRROR_START,
4522   EL_MM_MIRROR_FIXED_START,
4523   EL_MM_POLARIZER_START,
4524   EL_MM_POLARIZER_CROSS_START,
4525
4526   EL_MM_TELEPORTER_RED_START,
4527   EL_MM_TELEPORTER_YELLOW_START,
4528   EL_MM_TELEPORTER_GREEN_START,
4529   EL_MM_TELEPORTER_BLUE_START,
4530
4531   EL_MM_PRISM,
4532   EL_MM_FUSE_ACTIVE,
4533   EL_MM_PACMAN_RIGHT,
4534   EL_MM_EXIT_CLOSED,
4535
4536   EL_MM_KETTLE,
4537   EL_MM_BOMB,
4538   EL_MM_KEY,
4539   EL_MM_FUEL_FULL,
4540
4541   EL_MM_LIGHTBULB,
4542   EL_MM_LIGHTBULB_ACTIVE,
4543   EL_MM_GRAY_BALL,
4544   EL_MM_LIGHTBALL,
4545
4546   EL_MM_STEEL_WALL,
4547   EL_MM_WOODEN_WALL,
4548   EL_MM_ICE_WALL,
4549   EL_MM_AMOEBA_WALL,
4550
4551   EL_MM_STEEL_LOCK,
4552   EL_MM_WOODEN_LOCK,
4553   EL_MM_STEEL_BLOCK,
4554   EL_MM_WOODEN_BLOCK,
4555
4556   EL_MM_STEEL_GRID_FIXED_1,
4557   EL_MM_STEEL_GRID_FIXED_2,
4558   EL_MM_STEEL_GRID_FIXED_3,
4559   EL_MM_STEEL_GRID_FIXED_4,
4560
4561   EL_MM_WOODEN_GRID_FIXED_1,
4562   EL_MM_WOODEN_GRID_FIXED_2,
4563   EL_MM_WOODEN_GRID_FIXED_3,
4564   EL_MM_WOODEN_GRID_FIXED_4
4565 };
4566 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4567 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4568 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
4569 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
4570
4571 static int editor_hl_deflektor[] =
4572 {
4573   EL_INTERNAL_CASCADE_DF_ACTIVE,
4574   EL_CHAR('D'),
4575   EL_CHAR('F'),
4576   EL_EMPTY,
4577 };
4578
4579 static int editor_el_deflektor[] =
4580 {
4581   EL_DF_LASER_RIGHT,
4582   EL_DF_LASER_UP,
4583   EL_DF_LASER_LEFT,
4584   EL_DF_LASER_DOWN,
4585
4586   EL_DF_RECEIVER_RIGHT,
4587   EL_DF_RECEIVER_UP,
4588   EL_DF_RECEIVER_LEFT,
4589   EL_DF_RECEIVER_DOWN,
4590
4591   EL_DF_MIRROR_START,
4592   EL_DF_MIRROR_ROTATING_START,
4593   EL_DF_CELL,
4594   EL_DF_MINE,
4595
4596   EL_DF_FIBRE_OPTIC_RED_1,
4597   EL_DF_FIBRE_OPTIC_YELLOW_1,
4598   EL_DF_FIBRE_OPTIC_GREEN_1,
4599   EL_DF_FIBRE_OPTIC_BLUE_1,
4600
4601   EL_DF_STEEL_GRID_FIXED_START,
4602   EL_DF_STEEL_GRID_ROTATING_START,
4603   EL_DF_WOODEN_GRID_FIXED_START,
4604   EL_DF_WOODEN_GRID_ROTATING_START,
4605
4606   EL_DF_STEEL_WALL,
4607   EL_DF_WOODEN_WALL,
4608   EL_DF_REFRACTOR,
4609   EL_EMPTY
4610 };
4611 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4612 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4613 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
4614 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
4615
4616 static int editor_hl_chars[] =
4617 {
4618   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4619   EL_CHAR('T'),
4620   EL_CHAR('X'),
4621   EL_CHAR('T'),
4622 };
4623
4624 static int editor_el_chars[] =
4625 {
4626   EL_CHAR(' '),
4627   EL_CHAR('!'),
4628   EL_CHAR('"'),
4629   EL_CHAR('#'),
4630
4631   EL_CHAR('$'),
4632   EL_CHAR('%'),
4633   EL_CHAR('&'),
4634   EL_CHAR('\''),
4635
4636   EL_CHAR('('),
4637   EL_CHAR(')'),
4638   EL_CHAR('*'),
4639   EL_CHAR('+'),
4640
4641   EL_CHAR(','),
4642   EL_CHAR('-'),
4643   EL_CHAR('.'),
4644   EL_CHAR('/'),
4645
4646   EL_CHAR('0'),
4647   EL_CHAR('1'),
4648   EL_CHAR('2'),
4649   EL_CHAR('3'),
4650
4651   EL_CHAR('4'),
4652   EL_CHAR('5'),
4653   EL_CHAR('6'),
4654   EL_CHAR('7'),
4655
4656   EL_CHAR('8'),
4657   EL_CHAR('9'),
4658   EL_CHAR(':'),
4659   EL_CHAR(';'),
4660
4661   EL_CHAR('<'),
4662   EL_CHAR('='),
4663   EL_CHAR('>'),
4664   EL_CHAR('?'),
4665
4666   EL_CHAR('@'),
4667   EL_CHAR('A'),
4668   EL_CHAR('B'),
4669   EL_CHAR('C'),
4670
4671   EL_CHAR('D'),
4672   EL_CHAR('E'),
4673   EL_CHAR('F'),
4674   EL_CHAR('G'),
4675
4676   EL_CHAR('H'),
4677   EL_CHAR('I'),
4678   EL_CHAR('J'),
4679   EL_CHAR('K'),
4680
4681   EL_CHAR('L'),
4682   EL_CHAR('M'),
4683   EL_CHAR('N'),
4684   EL_CHAR('O'),
4685
4686   EL_CHAR('P'),
4687   EL_CHAR('Q'),
4688   EL_CHAR('R'),
4689   EL_CHAR('S'),
4690
4691   EL_CHAR('T'),
4692   EL_CHAR('U'),
4693   EL_CHAR('V'),
4694   EL_CHAR('W'),
4695
4696   EL_CHAR('X'),
4697   EL_CHAR('Y'),
4698   EL_CHAR('Z'),
4699   EL_CHAR('['),
4700
4701   EL_CHAR('\\'),
4702   EL_CHAR(']'),
4703   EL_CHAR('^'),
4704   EL_CHAR('_'),
4705
4706   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4707   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4708   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4709   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4710
4711   EL_CHAR(CHAR_BYTE_DEGREE),
4712   EL_CHAR(CHAR_BYTE_REGISTERED),
4713   EL_CHAR(FONT_ASCII_CURSOR),
4714   EL_CHAR(FONT_ASCII_BUTTON),
4715
4716   EL_CHAR(FONT_ASCII_UP),
4717   EL_CHAR(FONT_ASCII_DOWN),
4718   EL_CHAR(' '),
4719   EL_CHAR(' ')
4720 };
4721 static int *editor_hl_chars_ptr = editor_hl_chars;
4722 static int *editor_el_chars_ptr = editor_el_chars;
4723 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
4724 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
4725
4726 static int editor_hl_steel_chars[] =
4727 {
4728   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4729   EL_STEEL_CHAR('T'),
4730   EL_STEEL_CHAR('X'),
4731   EL_STEEL_CHAR('T'),
4732 };
4733
4734 static int editor_el_steel_chars[] =
4735 {
4736   EL_STEEL_CHAR(' '),
4737   EL_STEEL_CHAR('!'),
4738   EL_STEEL_CHAR('"'),
4739   EL_STEEL_CHAR('#'),
4740
4741   EL_STEEL_CHAR('$'),
4742   EL_STEEL_CHAR('%'),
4743   EL_STEEL_CHAR('&'),
4744   EL_STEEL_CHAR('\''),
4745
4746   EL_STEEL_CHAR('('),
4747   EL_STEEL_CHAR(')'),
4748   EL_STEEL_CHAR('*'),
4749   EL_STEEL_CHAR('+'),
4750
4751   EL_STEEL_CHAR(','),
4752   EL_STEEL_CHAR('-'),
4753   EL_STEEL_CHAR('.'),
4754   EL_STEEL_CHAR('/'),
4755
4756   EL_STEEL_CHAR('0'),
4757   EL_STEEL_CHAR('1'),
4758   EL_STEEL_CHAR('2'),
4759   EL_STEEL_CHAR('3'),
4760
4761   EL_STEEL_CHAR('4'),
4762   EL_STEEL_CHAR('5'),
4763   EL_STEEL_CHAR('6'),
4764   EL_STEEL_CHAR('7'),
4765
4766   EL_STEEL_CHAR('8'),
4767   EL_STEEL_CHAR('9'),
4768   EL_STEEL_CHAR(':'),
4769   EL_STEEL_CHAR(';'),
4770
4771   EL_STEEL_CHAR('<'),
4772   EL_STEEL_CHAR('='),
4773   EL_STEEL_CHAR('>'),
4774   EL_STEEL_CHAR('?'),
4775
4776   EL_STEEL_CHAR('@'),
4777   EL_STEEL_CHAR('A'),
4778   EL_STEEL_CHAR('B'),
4779   EL_STEEL_CHAR('C'),
4780
4781   EL_STEEL_CHAR('D'),
4782   EL_STEEL_CHAR('E'),
4783   EL_STEEL_CHAR('F'),
4784   EL_STEEL_CHAR('G'),
4785
4786   EL_STEEL_CHAR('H'),
4787   EL_STEEL_CHAR('I'),
4788   EL_STEEL_CHAR('J'),
4789   EL_STEEL_CHAR('K'),
4790
4791   EL_STEEL_CHAR('L'),
4792   EL_STEEL_CHAR('M'),
4793   EL_STEEL_CHAR('N'),
4794   EL_STEEL_CHAR('O'),
4795
4796   EL_STEEL_CHAR('P'),
4797   EL_STEEL_CHAR('Q'),
4798   EL_STEEL_CHAR('R'),
4799   EL_STEEL_CHAR('S'),
4800
4801   EL_STEEL_CHAR('T'),
4802   EL_STEEL_CHAR('U'),
4803   EL_STEEL_CHAR('V'),
4804   EL_STEEL_CHAR('W'),
4805
4806   EL_STEEL_CHAR('X'),
4807   EL_STEEL_CHAR('Y'),
4808   EL_STEEL_CHAR('Z'),
4809   EL_STEEL_CHAR('['),
4810
4811   EL_STEEL_CHAR('\\'),
4812   EL_STEEL_CHAR(']'),
4813   EL_STEEL_CHAR('^'),
4814   EL_STEEL_CHAR('_'),
4815
4816   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4817   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4818   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4819   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4820
4821   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4822   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4823   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4824   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4825
4826   EL_STEEL_CHAR(FONT_ASCII_UP),
4827   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4828   EL_STEEL_CHAR(' '),
4829   EL_STEEL_CHAR(' ')
4830 };
4831 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4832 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4833 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
4834 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
4835
4836 static int editor_hl_custom[] =
4837 {
4838   EL_INTERNAL_CASCADE_CE_ACTIVE,
4839   EL_CHAR('C'),
4840   EL_CHAR('E'),
4841   EL_EMPTY,
4842 };
4843
4844 static int editor_el_custom[] =
4845 {
4846   EL_CUSTOM_START + 0,
4847   EL_CUSTOM_START + 1,
4848   EL_CUSTOM_START + 2,
4849   EL_CUSTOM_START + 3,
4850
4851   EL_CUSTOM_START + 4,
4852   EL_CUSTOM_START + 5,
4853   EL_CUSTOM_START + 6,
4854   EL_CUSTOM_START + 7,
4855
4856   EL_CUSTOM_START + 8,
4857   EL_CUSTOM_START + 9,
4858   EL_CUSTOM_START + 10,
4859   EL_CUSTOM_START + 11,
4860
4861   EL_CUSTOM_START + 12,
4862   EL_CUSTOM_START + 13,
4863   EL_CUSTOM_START + 14,
4864   EL_CUSTOM_START + 15,
4865
4866   EL_CUSTOM_START + 16,
4867   EL_CUSTOM_START + 17,
4868   EL_CUSTOM_START + 18,
4869   EL_CUSTOM_START + 19,
4870
4871   EL_CUSTOM_START + 20,
4872   EL_CUSTOM_START + 21,
4873   EL_CUSTOM_START + 22,
4874   EL_CUSTOM_START + 23,
4875
4876   EL_CUSTOM_START + 24,
4877   EL_CUSTOM_START + 25,
4878   EL_CUSTOM_START + 26,
4879   EL_CUSTOM_START + 27,
4880
4881   EL_CUSTOM_START + 28,
4882   EL_CUSTOM_START + 29,
4883   EL_CUSTOM_START + 30,
4884   EL_CUSTOM_START + 31,
4885
4886   EL_CUSTOM_START + 32,
4887   EL_CUSTOM_START + 33,
4888   EL_CUSTOM_START + 34,
4889   EL_CUSTOM_START + 35,
4890
4891   EL_CUSTOM_START + 36,
4892   EL_CUSTOM_START + 37,
4893   EL_CUSTOM_START + 38,
4894   EL_CUSTOM_START + 39,
4895
4896   EL_CUSTOM_START + 40,
4897   EL_CUSTOM_START + 41,
4898   EL_CUSTOM_START + 42,
4899   EL_CUSTOM_START + 43,
4900
4901   EL_CUSTOM_START + 44,
4902   EL_CUSTOM_START + 45,
4903   EL_CUSTOM_START + 46,
4904   EL_CUSTOM_START + 47,
4905
4906   EL_CUSTOM_START + 48,
4907   EL_CUSTOM_START + 49,
4908   EL_CUSTOM_START + 50,
4909   EL_CUSTOM_START + 51,
4910
4911   EL_CUSTOM_START + 52,
4912   EL_CUSTOM_START + 53,
4913   EL_CUSTOM_START + 54,
4914   EL_CUSTOM_START + 55,
4915
4916   EL_CUSTOM_START + 56,
4917   EL_CUSTOM_START + 57,
4918   EL_CUSTOM_START + 58,
4919   EL_CUSTOM_START + 59,
4920
4921   EL_CUSTOM_START + 60,
4922   EL_CUSTOM_START + 61,
4923   EL_CUSTOM_START + 62,
4924   EL_CUSTOM_START + 63,
4925
4926   EL_CUSTOM_START + 64,
4927   EL_CUSTOM_START + 65,
4928   EL_CUSTOM_START + 66,
4929   EL_CUSTOM_START + 67,
4930
4931   EL_CUSTOM_START + 68,
4932   EL_CUSTOM_START + 69,
4933   EL_CUSTOM_START + 70,
4934   EL_CUSTOM_START + 71,
4935
4936   EL_CUSTOM_START + 72,
4937   EL_CUSTOM_START + 73,
4938   EL_CUSTOM_START + 74,
4939   EL_CUSTOM_START + 75,
4940
4941   EL_CUSTOM_START + 76,
4942   EL_CUSTOM_START + 77,
4943   EL_CUSTOM_START + 78,
4944   EL_CUSTOM_START + 79,
4945
4946   EL_CUSTOM_START + 80,
4947   EL_CUSTOM_START + 81,
4948   EL_CUSTOM_START + 82,
4949   EL_CUSTOM_START + 83,
4950
4951   EL_CUSTOM_START + 84,
4952   EL_CUSTOM_START + 85,
4953   EL_CUSTOM_START + 86,
4954   EL_CUSTOM_START + 87,
4955
4956   EL_CUSTOM_START + 88,
4957   EL_CUSTOM_START + 89,
4958   EL_CUSTOM_START + 90,
4959   EL_CUSTOM_START + 91,
4960
4961   EL_CUSTOM_START + 92,
4962   EL_CUSTOM_START + 93,
4963   EL_CUSTOM_START + 94,
4964   EL_CUSTOM_START + 95,
4965
4966   EL_CUSTOM_START + 96,
4967   EL_CUSTOM_START + 97,
4968   EL_CUSTOM_START + 98,
4969   EL_CUSTOM_START + 99,
4970
4971   EL_CUSTOM_START + 100,
4972   EL_CUSTOM_START + 101,
4973   EL_CUSTOM_START + 102,
4974   EL_CUSTOM_START + 103,
4975
4976   EL_CUSTOM_START + 104,
4977   EL_CUSTOM_START + 105,
4978   EL_CUSTOM_START + 106,
4979   EL_CUSTOM_START + 107,
4980
4981   EL_CUSTOM_START + 108,
4982   EL_CUSTOM_START + 109,
4983   EL_CUSTOM_START + 110,
4984   EL_CUSTOM_START + 111,
4985
4986   EL_CUSTOM_START + 112,
4987   EL_CUSTOM_START + 113,
4988   EL_CUSTOM_START + 114,
4989   EL_CUSTOM_START + 115,
4990
4991   EL_CUSTOM_START + 116,
4992   EL_CUSTOM_START + 117,
4993   EL_CUSTOM_START + 118,
4994   EL_CUSTOM_START + 119,
4995
4996   EL_CUSTOM_START + 120,
4997   EL_CUSTOM_START + 121,
4998   EL_CUSTOM_START + 122,
4999   EL_CUSTOM_START + 123,
5000
5001   EL_CUSTOM_START + 124,
5002   EL_CUSTOM_START + 125,
5003   EL_CUSTOM_START + 126,
5004   EL_CUSTOM_START + 127,
5005
5006   EL_CUSTOM_START + 128,
5007   EL_CUSTOM_START + 129,
5008   EL_CUSTOM_START + 130,
5009   EL_CUSTOM_START + 131,
5010
5011   EL_CUSTOM_START + 132,
5012   EL_CUSTOM_START + 133,
5013   EL_CUSTOM_START + 134,
5014   EL_CUSTOM_START + 135,
5015
5016   EL_CUSTOM_START + 136,
5017   EL_CUSTOM_START + 137,
5018   EL_CUSTOM_START + 138,
5019   EL_CUSTOM_START + 139,
5020
5021   EL_CUSTOM_START + 140,
5022   EL_CUSTOM_START + 141,
5023   EL_CUSTOM_START + 142,
5024   EL_CUSTOM_START + 143,
5025
5026   EL_CUSTOM_START + 144,
5027   EL_CUSTOM_START + 145,
5028   EL_CUSTOM_START + 146,
5029   EL_CUSTOM_START + 147,
5030
5031   EL_CUSTOM_START + 148,
5032   EL_CUSTOM_START + 149,
5033   EL_CUSTOM_START + 150,
5034   EL_CUSTOM_START + 151,
5035
5036   EL_CUSTOM_START + 152,
5037   EL_CUSTOM_START + 153,
5038   EL_CUSTOM_START + 154,
5039   EL_CUSTOM_START + 155,
5040
5041   EL_CUSTOM_START + 156,
5042   EL_CUSTOM_START + 157,
5043   EL_CUSTOM_START + 158,
5044   EL_CUSTOM_START + 159,
5045
5046   EL_CUSTOM_START + 160,
5047   EL_CUSTOM_START + 161,
5048   EL_CUSTOM_START + 162,
5049   EL_CUSTOM_START + 163,
5050
5051   EL_CUSTOM_START + 164,
5052   EL_CUSTOM_START + 165,
5053   EL_CUSTOM_START + 166,
5054   EL_CUSTOM_START + 167,
5055
5056   EL_CUSTOM_START + 168,
5057   EL_CUSTOM_START + 169,
5058   EL_CUSTOM_START + 170,
5059   EL_CUSTOM_START + 171,
5060
5061   EL_CUSTOM_START + 172,
5062   EL_CUSTOM_START + 173,
5063   EL_CUSTOM_START + 174,
5064   EL_CUSTOM_START + 175,
5065
5066   EL_CUSTOM_START + 176,
5067   EL_CUSTOM_START + 177,
5068   EL_CUSTOM_START + 178,
5069   EL_CUSTOM_START + 179,
5070
5071   EL_CUSTOM_START + 180,
5072   EL_CUSTOM_START + 181,
5073   EL_CUSTOM_START + 182,
5074   EL_CUSTOM_START + 183,
5075
5076   EL_CUSTOM_START + 184,
5077   EL_CUSTOM_START + 185,
5078   EL_CUSTOM_START + 186,
5079   EL_CUSTOM_START + 187,
5080
5081   EL_CUSTOM_START + 188,
5082   EL_CUSTOM_START + 189,
5083   EL_CUSTOM_START + 190,
5084   EL_CUSTOM_START + 191,
5085
5086   EL_CUSTOM_START + 192,
5087   EL_CUSTOM_START + 193,
5088   EL_CUSTOM_START + 194,
5089   EL_CUSTOM_START + 195,
5090
5091   EL_CUSTOM_START + 196,
5092   EL_CUSTOM_START + 197,
5093   EL_CUSTOM_START + 198,
5094   EL_CUSTOM_START + 199,
5095
5096   EL_CUSTOM_START + 200,
5097   EL_CUSTOM_START + 201,
5098   EL_CUSTOM_START + 202,
5099   EL_CUSTOM_START + 203,
5100
5101   EL_CUSTOM_START + 204,
5102   EL_CUSTOM_START + 205,
5103   EL_CUSTOM_START + 206,
5104   EL_CUSTOM_START + 207,
5105
5106   EL_CUSTOM_START + 208,
5107   EL_CUSTOM_START + 209,
5108   EL_CUSTOM_START + 210,
5109   EL_CUSTOM_START + 211,
5110
5111   EL_CUSTOM_START + 212,
5112   EL_CUSTOM_START + 213,
5113   EL_CUSTOM_START + 214,
5114   EL_CUSTOM_START + 215,
5115
5116   EL_CUSTOM_START + 216,
5117   EL_CUSTOM_START + 217,
5118   EL_CUSTOM_START + 218,
5119   EL_CUSTOM_START + 219,
5120
5121   EL_CUSTOM_START + 220,
5122   EL_CUSTOM_START + 221,
5123   EL_CUSTOM_START + 222,
5124   EL_CUSTOM_START + 223,
5125
5126   EL_CUSTOM_START + 224,
5127   EL_CUSTOM_START + 225,
5128   EL_CUSTOM_START + 226,
5129   EL_CUSTOM_START + 227,
5130
5131   EL_CUSTOM_START + 228,
5132   EL_CUSTOM_START + 229,
5133   EL_CUSTOM_START + 230,
5134   EL_CUSTOM_START + 231,
5135
5136   EL_CUSTOM_START + 232,
5137   EL_CUSTOM_START + 233,
5138   EL_CUSTOM_START + 234,
5139   EL_CUSTOM_START + 235,
5140
5141   EL_CUSTOM_START + 236,
5142   EL_CUSTOM_START + 237,
5143   EL_CUSTOM_START + 238,
5144   EL_CUSTOM_START + 239,
5145
5146   EL_CUSTOM_START + 240,
5147   EL_CUSTOM_START + 241,
5148   EL_CUSTOM_START + 242,
5149   EL_CUSTOM_START + 243,
5150
5151   EL_CUSTOM_START + 244,
5152   EL_CUSTOM_START + 245,
5153   EL_CUSTOM_START + 246,
5154   EL_CUSTOM_START + 247,
5155
5156   EL_CUSTOM_START + 248,
5157   EL_CUSTOM_START + 249,
5158   EL_CUSTOM_START + 250,
5159   EL_CUSTOM_START + 251,
5160
5161   EL_CUSTOM_START + 252,
5162   EL_CUSTOM_START + 253,
5163   EL_CUSTOM_START + 254,
5164   EL_CUSTOM_START + 255
5165 };
5166 static int *editor_hl_custom_ptr = editor_hl_custom;
5167 static int *editor_el_custom_ptr = editor_el_custom;
5168 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5169 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5170
5171 static int editor_hl_group[] =
5172 {
5173   EL_INTERNAL_CASCADE_GE_ACTIVE,
5174   EL_CHAR('G'),
5175   EL_CHAR('E'),
5176   EL_EMPTY,
5177 };
5178
5179 static int editor_el_group[] =
5180 {
5181   EL_GROUP_START + 0,
5182   EL_GROUP_START + 1,
5183   EL_GROUP_START + 2,
5184   EL_GROUP_START + 3,
5185
5186   EL_GROUP_START + 4,
5187   EL_GROUP_START + 5,
5188   EL_GROUP_START + 6,
5189   EL_GROUP_START + 7,
5190
5191   EL_GROUP_START + 8,
5192   EL_GROUP_START + 9,
5193   EL_GROUP_START + 10,
5194   EL_GROUP_START + 11,
5195
5196   EL_GROUP_START + 12,
5197   EL_GROUP_START + 13,
5198   EL_GROUP_START + 14,
5199   EL_GROUP_START + 15,
5200
5201   EL_GROUP_START + 16,
5202   EL_GROUP_START + 17,
5203   EL_GROUP_START + 18,
5204   EL_GROUP_START + 19,
5205
5206   EL_GROUP_START + 20,
5207   EL_GROUP_START + 21,
5208   EL_GROUP_START + 22,
5209   EL_GROUP_START + 23,
5210
5211   EL_GROUP_START + 24,
5212   EL_GROUP_START + 25,
5213   EL_GROUP_START + 26,
5214   EL_GROUP_START + 27,
5215
5216   EL_GROUP_START + 28,
5217   EL_GROUP_START + 29,
5218   EL_GROUP_START + 30,
5219   EL_GROUP_START + 31
5220 };
5221 static int *editor_hl_group_ptr = editor_hl_group;
5222 static int *editor_el_group_ptr = editor_el_group;
5223 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5224 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5225
5226 static int editor_hl_reference[] =
5227 {
5228   EL_INTERNAL_CASCADE_REF_ACTIVE,
5229   EL_CHAR('R'),
5230   EL_CHAR('E'),
5231   EL_CHAR('F')
5232 };
5233
5234 static int editor_el_reference[] =
5235 {
5236   EL_TRIGGER_PLAYER,
5237   EL_TRIGGER_ELEMENT,
5238   EL_TRIGGER_CE_VALUE,
5239   EL_TRIGGER_CE_SCORE,
5240
5241   EL_SELF,
5242   EL_ANY_ELEMENT,
5243   EL_CURRENT_CE_VALUE,
5244   EL_CURRENT_CE_SCORE,
5245
5246   EL_PREV_CE_8,
5247   EL_PREV_CE_7,
5248   EL_PREV_CE_6,
5249   EL_PREV_CE_5,
5250
5251   EL_PREV_CE_4,
5252   EL_PREV_CE_3,
5253   EL_PREV_CE_2,
5254   EL_PREV_CE_1,
5255
5256   EL_NEXT_CE_1,
5257   EL_NEXT_CE_2,
5258   EL_NEXT_CE_3,
5259   EL_NEXT_CE_4,
5260
5261   EL_NEXT_CE_5,
5262   EL_NEXT_CE_6,
5263   EL_NEXT_CE_7,
5264   EL_NEXT_CE_8,
5265 };
5266 static int *editor_hl_reference_ptr = editor_hl_reference;
5267 static int *editor_el_reference_ptr = editor_el_reference;
5268 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5269 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5270
5271 static int editor_hl_user_defined[] =
5272 {
5273   EL_INTERNAL_CASCADE_USER_ACTIVE,
5274   EL_CHAR('M'),
5275   EL_CHAR('Y'),
5276   EL_EMPTY,
5277 };
5278
5279 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5280 static int *editor_el_user_defined_ptr = NULL;
5281 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5282 static int num_editor_el_user_defined = 0;
5283
5284 static int editor_hl_dynamic[] =
5285 {
5286   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5287   EL_CHAR('U'),
5288   EL_CHAR('S'),
5289   EL_CHAR('E'),
5290 };
5291
5292 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5293 static int *editor_el_dynamic_ptr = NULL;
5294 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5295 static int num_editor_el_dynamic = 0;
5296
5297 static int editor_hl_empty[] = { EL_EMPTY };
5298 static int *editor_el_empty = NULL;     // dynamically allocated
5299
5300 static int *editor_hl_empty_ptr = editor_hl_empty;
5301 static int *editor_el_empty_ptr = NULL;
5302 static int num_editor_hl_empty = 0;
5303 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5304
5305 static boolean use_el_empty = FALSE;
5306
5307 static int *editor_elements = NULL;     // dynamically allocated
5308 static int num_editor_elements = 0;     // dynamically determined
5309
5310 static boolean setup_editor_cascade_never = FALSE;
5311
5312 static boolean setup_editor_el_players                  = TRUE;
5313 static boolean setup_editor_el_boulderdash              = TRUE;
5314 static boolean setup_editor_el_emerald_mine             = TRUE;
5315 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5316 static boolean setup_editor_el_more                     = TRUE;
5317 static boolean setup_editor_el_sokoban                  = TRUE;
5318 static boolean setup_editor_el_supaplex                 = TRUE;
5319 static boolean setup_editor_el_diamond_caves            = TRUE;
5320 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5321 static boolean setup_editor_el_mirror_magic             = TRUE;
5322 static boolean setup_editor_el_deflektor                = TRUE;
5323 static boolean setup_editor_el_chars                    = TRUE;
5324 static boolean setup_editor_el_steel_chars              = TRUE;
5325 static boolean setup_editor_el_custom                   = TRUE;
5326 static boolean setup_editor_el_user_defined             = TRUE;
5327 static boolean setup_editor_el_dynamic                  = TRUE;
5328
5329 static int editor_hl_unused[] = { EL_EMPTY };
5330 static int *editor_hl_unused_ptr = editor_hl_unused;
5331 static int num_editor_hl_unused = 0;
5332
5333 static struct
5334 {
5335   boolean *setup_value;
5336   boolean *setup_cascade_value;
5337
5338   int **headline_list;
5339   int *headline_list_size;
5340
5341   int **element_list;
5342   int *element_list_size;
5343
5344   boolean last_setup_value;
5345 }
5346 editor_elements_info[] =
5347 {
5348   {
5349     &setup_editor_el_players,
5350     &setup_editor_cascade_never,
5351     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5352     &editor_el_players_ptr,             &num_editor_el_players
5353   },
5354   {
5355     &setup_editor_el_boulderdash,
5356     &setup.editor_cascade.el_bd,
5357     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5358     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5359   },
5360   {
5361     &setup_editor_el_emerald_mine,
5362     &setup.editor_cascade.el_em,
5363     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5364     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5365   },
5366   {
5367     &setup_editor_el_emerald_mine_club,
5368     &setup.editor_cascade.el_emc,
5369     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5370     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5371   },
5372   {
5373     &setup_editor_el_more,
5374     &setup.editor_cascade.el_rnd,
5375     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5376     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5377   },
5378   {
5379     &setup_editor_el_sokoban,
5380     &setup.editor_cascade.el_sb,
5381     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5382     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5383   },
5384   {
5385     &setup_editor_el_supaplex,
5386     &setup.editor_cascade.el_sp,
5387     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5388     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5389   },
5390   {
5391     &setup_editor_el_diamond_caves,
5392     &setup.editor_cascade.el_dc,
5393     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5394     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5395   },
5396   {
5397     &setup_editor_el_dx_boulderdash,
5398     &setup.editor_cascade.el_dx,
5399     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5400     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5401   },
5402   {
5403     &setup_editor_el_mirror_magic,
5404     &setup.editor_cascade.el_mm,
5405     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5406     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5407   },
5408   {
5409     &setup_editor_el_deflektor,
5410     &setup.editor_cascade.el_df,
5411     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5412     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5413   },
5414   {
5415     &setup_editor_el_chars,
5416     &setup.editor_cascade.el_chars,
5417     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5418     &editor_el_chars_ptr,               &num_editor_el_chars
5419   },
5420   {
5421     &setup_editor_el_steel_chars,
5422     &setup.editor_cascade.el_steel_chars,
5423     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5424     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5425   },
5426   {
5427     &setup_editor_el_custom,
5428     &setup.editor_cascade.el_ce,
5429     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5430     &editor_el_custom_ptr,              &num_editor_el_custom
5431   },
5432   {
5433     &setup_editor_el_custom,
5434     &setup.editor_cascade.el_ge,
5435     &editor_hl_group_ptr,               &num_editor_hl_group,
5436     &editor_el_group_ptr,               &num_editor_el_group
5437   },
5438   {
5439     &setup_editor_el_custom,
5440     &setup.editor_cascade.el_ref,
5441     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5442     &editor_el_reference_ptr,           &num_editor_el_reference
5443   },
5444   {
5445     &setup_editor_el_user_defined,
5446     &setup.editor_cascade.el_user,
5447     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5448     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5449   },
5450   {
5451     &setup_editor_el_dynamic,
5452     &setup.editor_cascade.el_dynamic,
5453     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5454     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5455   },
5456   {
5457     &use_el_empty,
5458     &use_el_empty,
5459     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5460     &editor_el_empty_ptr,               &num_editor_el_empty,
5461   },
5462   {
5463     NULL,
5464     NULL,
5465     NULL,                               NULL,
5466     NULL,                               NULL
5467   }
5468 };
5469
5470
5471 // ----------------------------------------------------------------------------
5472 // functions
5473 // ----------------------------------------------------------------------------
5474
5475 static int getMaxInfoTextLength(void)
5476 {
5477   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5478 }
5479
5480 static int getTextWidthForGadget(char *text)
5481 {
5482   if (text == NULL)
5483     return 0;
5484
5485   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5486 }
5487
5488 static int getTextWidthForDrawingArea(char *text)
5489 {
5490   if (text == NULL)
5491     return 0;
5492
5493   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5494 }
5495
5496 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5497 {
5498   return (gi->x + gi->width + getTextWidthForGadget(text));
5499 }
5500
5501 static char *getElementInfoText(int element)
5502 {
5503   char *info_text = NULL;
5504
5505   if (element < MAX_NUM_ELEMENTS)
5506   {
5507     if (strlen(element_info[element].description) > 0)
5508       info_text = element_info[element].description;
5509     else if (element_info[element].custom_description != NULL)
5510       info_text = element_info[element].custom_description;
5511     else if (element_info[element].editor_description != NULL)
5512       info_text = element_info[element].editor_description;
5513   }
5514
5515   if (info_text == NULL)
5516     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5517
5518   return info_text;
5519 }
5520
5521 static char *getElementDescriptionFilenameExt(char *basename)
5522 {
5523   char *elements_subdir = "elements";
5524   static char *elements_subdir2 = NULL;
5525   static char *filename = NULL;
5526
5527   if (elements_subdir2 == NULL)
5528     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5529
5530   checked_free(filename);
5531
5532   // 1st try: look for element description in current level set directory
5533   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5534   if (fileExists(filename))
5535     return filename;
5536
5537   free(filename);
5538
5539   // 2nd try: look for element description in the game's base directory
5540   filename = getPath3(options.docs_directory, elements_subdir, basename);
5541   if (fileExists(filename))
5542     return filename;
5543
5544   return NULL;
5545 }
5546
5547 static char *getElementDescriptionFilename(int element)
5548 {
5549   char basename[MAX_FILENAME_LEN];
5550   char *filename;
5551
5552   // 1st try: look for element description file for exactly this element
5553   sprintf(basename, "%s.txt", element_info[element].token_name);
5554   filename = getElementDescriptionFilenameExt(basename);
5555   if (filename != NULL)
5556     return filename;
5557
5558   // 2nd try: look for element description file for this element's class
5559   sprintf(basename, "%s.txt", element_info[element].class_name);
5560   filename = getElementDescriptionFilenameExt(basename);
5561   if (filename != NULL)
5562     return filename;
5563
5564   return NULL;
5565 }
5566
5567 static boolean suppressBorderElement(void)
5568 {
5569   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5570           lev_fieldx <= MAX_ED_FIELDX &&
5571           lev_fieldy <= MAX_ED_FIELDY);
5572 }
5573
5574 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5575 {
5576   boolean element_found[NUM_FILE_ELEMENTS];
5577   int i, x, y;
5578
5579   // initialize list of used elements to "not used"
5580   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5581     element_found[i] = FALSE;
5582
5583   // find all elements used in current level
5584   for (y = 0; y < lev_fieldy; y++)
5585     for (x = 0; x < lev_fieldx; x++)
5586       if (Tile[x][y] < NUM_FILE_ELEMENTS)       // should always be true
5587         element_found[Tile[x][y]] = TRUE;
5588
5589   *num_elements = 0;
5590
5591   // count number of elements used in current level
5592   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5593     if (element_found[i])
5594       (*num_elements)++;
5595
5596   // add space for up to 3 more elements for padding that may be needed
5597   *num_elements += 3;
5598
5599   // free memory for old list of elements, if needed
5600   checked_free(*elements);
5601
5602   // allocate memory for new list of elements
5603   *elements = checked_malloc(*num_elements * sizeof(int));
5604
5605   *num_elements = 0;
5606
5607   // add all elements used in current level (non-custom/group elements)
5608   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5609     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5610       (*elements)[(*num_elements)++] = i;
5611
5612   // add all elements used in current level (custom/group elements)
5613   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5614     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5615       (*elements)[(*num_elements)++] = i;
5616
5617   while (*num_elements % 4)     // pad with empty elements, if needed
5618     (*elements)[(*num_elements)++] = EL_EMPTY;
5619 }
5620
5621 static void ReinitializeElementList_EnableSections(void)
5622 {
5623   // default: enable all element sections
5624
5625   setup_editor_el_players               = TRUE;
5626   setup_editor_el_boulderdash           = TRUE;
5627   setup_editor_el_emerald_mine          = TRUE;
5628   setup_editor_el_emerald_mine_club     = TRUE;
5629   setup_editor_el_more                  = TRUE;
5630   setup_editor_el_sokoban               = TRUE;
5631   setup_editor_el_supaplex              = TRUE;
5632   setup_editor_el_diamond_caves         = TRUE;
5633   setup_editor_el_dx_boulderdash        = TRUE;
5634   setup_editor_el_mirror_magic          = TRUE;
5635   setup_editor_el_deflektor             = TRUE;
5636   setup_editor_el_chars                 = TRUE;
5637   setup_editor_el_steel_chars           = TRUE;
5638
5639   setup_editor_el_custom                = TRUE;
5640   setup_editor_el_user_defined          = TRUE;
5641   setup_editor_el_dynamic               = TRUE;
5642
5643   // now disable all element sections not to be displayed
5644
5645   if (!setup.editor.el_classic)
5646   {
5647     setup_editor_el_players             = FALSE;
5648     setup_editor_el_boulderdash         = FALSE;
5649     setup_editor_el_emerald_mine        = FALSE;
5650     setup_editor_el_emerald_mine_club   = FALSE;
5651     setup_editor_el_more                = FALSE;
5652     setup_editor_el_sokoban             = FALSE;
5653     setup_editor_el_supaplex            = FALSE;
5654     setup_editor_el_diamond_caves       = FALSE;
5655     setup_editor_el_dx_boulderdash      = FALSE;
5656     setup_editor_el_mirror_magic        = FALSE;
5657     setup_editor_el_deflektor           = FALSE;
5658     setup_editor_el_chars               = FALSE;
5659     setup_editor_el_steel_chars         = FALSE;
5660   }
5661
5662   if (!setup.editor.el_custom)
5663   {
5664     setup_editor_el_custom              = FALSE;
5665   }
5666
5667   if (!setup.editor.el_user_defined)
5668   {
5669     setup_editor_el_user_defined        = FALSE;
5670   }
5671
5672   if (!setup.editor.el_dynamic)
5673   {
5674     setup_editor_el_dynamic             = FALSE;
5675   }
5676
5677   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5678   {
5679     setup_editor_el_mirror_magic        = FALSE;
5680     setup_editor_el_deflektor           = FALSE;
5681   }
5682   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5683   {
5684     setup_editor_el_boulderdash         = FALSE;
5685     setup_editor_el_more                = FALSE;
5686     setup_editor_el_sokoban             = FALSE;
5687     setup_editor_el_supaplex            = FALSE;
5688     setup_editor_el_diamond_caves       = FALSE;
5689     setup_editor_el_dx_boulderdash      = FALSE;
5690     setup_editor_el_mirror_magic        = FALSE;
5691     setup_editor_el_deflektor           = FALSE;
5692     setup_editor_el_steel_chars         = FALSE;
5693
5694     setup_editor_el_custom              = FALSE;
5695   }
5696   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5697   {
5698     setup_editor_el_players             = FALSE;
5699     setup_editor_el_boulderdash         = FALSE;
5700     setup_editor_el_emerald_mine        = FALSE;
5701     setup_editor_el_emerald_mine_club   = FALSE;
5702     setup_editor_el_more                = FALSE;
5703     setup_editor_el_sokoban             = FALSE;
5704     setup_editor_el_diamond_caves       = FALSE;
5705     setup_editor_el_dx_boulderdash      = FALSE;
5706     setup_editor_el_mirror_magic        = FALSE;
5707     setup_editor_el_deflektor           = FALSE;
5708     setup_editor_el_chars               = FALSE;
5709     setup_editor_el_steel_chars         = FALSE;
5710
5711     setup_editor_el_custom              = FALSE;
5712   }
5713   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5714   {
5715     setup_editor_el_players             = FALSE;
5716     setup_editor_el_boulderdash         = FALSE;
5717     setup_editor_el_emerald_mine        = FALSE;
5718     setup_editor_el_emerald_mine_club   = FALSE;
5719     setup_editor_el_more                = FALSE;
5720     setup_editor_el_sokoban             = FALSE;
5721     setup_editor_el_supaplex            = FALSE;
5722     setup_editor_el_diamond_caves       = FALSE;
5723     setup_editor_el_dx_boulderdash      = FALSE;
5724     setup_editor_el_steel_chars         = FALSE;
5725
5726     setup_editor_el_custom              = FALSE;
5727   }
5728 }
5729
5730 static void ReinitializeElementList(void)
5731 {
5732   static boolean initialization_needed = TRUE;
5733   int pos = 0;
5734   int i, j;
5735
5736   ReinitializeElementList_EnableSections();
5737
5738   if (initialization_needed)
5739   {
5740     LoadSetup_EditorCascade();          // load last editor cascade state
5741
5742     // initialize editor cascade element from saved cascade state
5743     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5744     {
5745       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5746       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5747
5748       if (IS_EDITOR_CASCADE(*cascade_element))
5749         *cascade_element =
5750           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5751            EL_CASCADE_INACTIVE(*cascade_element));
5752     }
5753
5754     initialization_needed = FALSE;
5755   }
5756
5757   checked_free(editor_elements);
5758
5759   // reload optional user defined element list for each invocation of editor
5760   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5761                                    &num_editor_el_user_defined);
5762
5763   // initialize dynamic level element list for each invocation of editor
5764   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5765                                &num_editor_el_dynamic);
5766
5767   // initialize list of empty elements (used for padding, if needed)
5768   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5769     editor_el_empty[i] = EL_EMPTY;
5770
5771   // do some sanity checks for each element from element list
5772   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5773   {
5774     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5775     {
5776       int element = (*editor_elements_info[i].element_list)[j];
5777
5778       if (element >= NUM_FILE_ELEMENTS)
5779         Warn("editor element %d is runtime element", element);
5780
5781       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5782         Warn("no element description text for element %d", element);
5783     }
5784   }
5785
5786   num_editor_elements = 0;
5787   use_el_empty = FALSE;
5788
5789   // determine size of element list
5790   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5791   {
5792     boolean found_inactive_cascade = FALSE;
5793
5794     if (*editor_elements_info[i].setup_value)
5795     {
5796       if (setup.editor.el_headlines)
5797       {
5798         // required for correct padding of palette headline buttons
5799         if (*editor_elements_info[i].headline_list_size > 0)
5800           num_editor_elements += ED_ELEMENTLIST_COLS;
5801
5802         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5803         {
5804           int element = (*editor_elements_info[i].headline_list)[j];
5805
5806           if (IS_EDITOR_CASCADE_INACTIVE(element))
5807             found_inactive_cascade = TRUE;
5808         }
5809       }
5810
5811       if (found_inactive_cascade)
5812         continue;
5813
5814       // required for correct padding of palette element buttons
5815       int element_list_size = *editor_elements_info[i].element_list_size;
5816       int element_rows =
5817         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5818       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5819
5820       num_editor_elements += element_buttons;
5821     }
5822   }
5823
5824   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5825   {
5826     // offer at least as many elements as element buttons exist
5827     use_el_empty = TRUE;
5828     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5829
5830     num_editor_elements += num_editor_el_empty;
5831   }
5832   else
5833   {
5834     num_editor_el_empty = 0;
5835   }
5836
5837   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5838
5839   // fill element list
5840   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5841   {
5842     boolean found_inactive_cascade = FALSE;
5843
5844     if (*editor_elements_info[i].setup_value)
5845     {
5846       if (setup.editor.el_headlines)
5847       {
5848         // required for correct padding of palette headline buttons
5849         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5850                              ED_ELEMENTLIST_COLS : 0);
5851
5852         for (j = 0; j < headline_size; j++)
5853         {
5854           // use empty elements for padding of palette headline buttons
5855           int element = (j < *editor_elements_info[i].headline_list_size ?
5856                          (*editor_elements_info[i].headline_list)[j] :
5857                          editor_el_empty[0]);
5858
5859           editor_elements[pos++] = element;
5860
5861           if (IS_EDITOR_CASCADE_INACTIVE(element))
5862             found_inactive_cascade = TRUE;
5863         }
5864       }
5865
5866       if (found_inactive_cascade)
5867         continue;
5868
5869       // required for correct padding of palette element buttons
5870       int element_list_size = *editor_elements_info[i].element_list_size;
5871       int element_rows =
5872         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5873       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5874
5875       // copy all elements from element list
5876       for (j = 0; j < element_list_size; j++)
5877         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5878
5879       // use empty elements for padding of palette element buttons
5880       for (j = 0; j < element_buttons - element_list_size; j++)
5881         editor_elements[pos++] = editor_el_empty[0];
5882     }
5883   }
5884
5885   // (this function is also called before editor gadgets are initialized!)
5886   AdjustElementListScrollbar();
5887 }
5888
5889 void PrintEditorElementList(void)
5890 {
5891   boolean *stop = &setup_editor_el_user_defined;
5892   int i, j;
5893
5894   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5895   {
5896     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5897
5898     if (IS_EDITOR_CASCADE(cascade_element))
5899     {
5900       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5901       char *headline = element_info[cascade_element_show].editor_description;
5902
5903       PrintLineWithPrefix("# ", "-", 77);
5904       Print("# %s\n", headline);
5905       PrintLineWithPrefix("# ", "-", 77);
5906     }
5907
5908     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5909     {
5910       int element = (*editor_elements_info[i].headline_list)[j];
5911
5912       if (IS_EDITOR_CASCADE(element))
5913         element = EL_CHAR_MINUS;
5914
5915       Print("# %s\n", element_info[element].token_name);
5916     }
5917
5918     if (j > 0)
5919       Print("#\n");
5920
5921     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5922     {
5923       int element = (*editor_elements_info[i].element_list)[j];
5924
5925       Print("# %s\n", element_info[element].token_name);
5926     }
5927
5928     if (j > 0)
5929       Print("#\n");
5930   }
5931 }
5932
5933 static void ReinitializeElementListButtons(void)
5934 {
5935   static boolean last_setup_value_headlines = FALSE;
5936   static boolean initialization_needed = TRUE;
5937   int i;
5938
5939   if (!initialization_needed)   // check if editor element setup has changed
5940   {
5941     if (last_setup_value_headlines != setup.editor.el_headlines)
5942       initialization_needed = TRUE;
5943
5944     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5945       if (editor_elements_info[i].last_setup_value !=
5946           *editor_elements_info[i].setup_value)
5947         initialization_needed = TRUE;
5948   }
5949
5950   if (!initialization_needed)
5951     return;
5952
5953   FreeLevelEditorGadgets();
5954   CreateLevelEditorGadgets();
5955
5956   // store current setup values for next invocation of this function
5957   last_setup_value_headlines = setup.editor.el_headlines;
5958   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5959     editor_elements_info[i].last_setup_value =
5960       *editor_elements_info[i].setup_value;
5961
5962   initialization_needed = FALSE;
5963 }
5964
5965 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5966                               boolean input)
5967 {
5968   int border_graphic =
5969     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5970   struct GraphicInfo *g = &graphic_info[border_graphic];
5971   Bitmap *src_bitmap = g->bitmap;
5972   int src_x = g->src_x;
5973   int src_y = g->src_y;
5974   int border_size = g->border_size;
5975   int border_xpos = g->width  - border_size;
5976   int border_ypos = g->height - border_size;
5977   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5978   int i;
5979
5980   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5981              border_size, border_size,
5982              dest_x - border_size, dest_y - border_size);
5983   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5984              border_size, border_size,
5985              dest_x + width, dest_y - border_size);
5986   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5987              border_size, border_size,
5988              dest_x - border_size, dest_y + height);
5989   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5990              border_size, border_size,
5991              dest_x + width, dest_y + height);
5992
5993   for (i = 0; i < width / tilesize; i++)
5994   {
5995     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5996                tilesize, border_size,
5997                dest_x + i * tilesize, dest_y - border_size);
5998     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5999                tilesize, border_size,
6000                dest_x + i * tilesize, dest_y + height);
6001   }
6002
6003   for (i = 0; i < height / tilesize; i++)
6004   {
6005     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
6006                border_size, tilesize,
6007                dest_x - border_size, dest_y + i * tilesize);
6008     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
6009                border_size, tilesize,
6010                dest_x + width, dest_y + i * tilesize);
6011   }
6012
6013   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
6014 }
6015
6016 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
6017 {
6018   int xsize_tile = MAX(ed_tilesize, xsize);
6019   int ysize_tile = MAX(ed_tilesize, ysize);
6020   int xsize_full = xsize + 1;
6021   int ysize_full = ysize + 1;
6022   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
6023   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
6024   Pixel line_color = getTabulatorBarColor();
6025
6026   if (line_color == BLACK_PIXEL)                // black => transparent
6027     return;
6028
6029   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6030   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6031   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6032 }
6033
6034 static void DrawEditorLevelBorderLinesIfNeeded(void)
6035 {
6036   int xsize = lev_fieldx * ed_tilesize;
6037   int ysize = lev_fieldy * ed_tilesize;
6038   int line_size = getTabulatorBarHeight();
6039
6040   if (!suppressBorderElement())
6041     return;
6042
6043   // draw little border line around editable level playfield
6044
6045   if (xsize < SXSIZE)
6046     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6047
6048   if (ysize < SYSIZE)
6049     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6050
6051   if (xsize < SXSIZE && ysize < SYSIZE)
6052     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6053 }
6054
6055 static void DrawEditorElement(int x, int y, int element)
6056 {
6057   DrawSizedElement(x, y, element, ed_tilesize);
6058 }
6059
6060 static void DrawEditorElementThruMask(int x, int y, int element)
6061 {
6062   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6063 }
6064
6065 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6066 {
6067   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6068 }
6069
6070 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6071 {
6072   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6073   DrawEditorLevelBorderLinesIfNeeded();
6074 }
6075
6076 static void DrawDrawingArea(int id)
6077 {
6078   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6079   int x, y;
6080
6081   int *value = drawingarea_info[id].value;
6082   int area_xsize = drawingarea_info[id].area_xsize;
6083   int area_ysize = drawingarea_info[id].area_ysize;
6084   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6085
6086   for (x = 0; x < area_xsize; x++)
6087     for (y = 0; y < area_ysize; y++)
6088       DrawSizedGraphicExt(drawto,
6089                           gi->x + x * tilesize,
6090                           gi->y + y * tilesize,
6091                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6092 }
6093
6094 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6095 {
6096   int x, y;
6097   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6098   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6099
6100   BlitBitmap(drawto, drawto,
6101              SX + (dx == -1 ? ed_tilesize : 0),
6102              SY + (dy == -1 ? ed_tilesize : 0),
6103              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6104              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6105              SX + (dx == +1 ? ed_tilesize : 0),
6106              SY + (dy == +1 ? ed_tilesize : 0));
6107
6108   if (dx)
6109   {
6110     x = (dx == 1 ? 0 : ed_fieldx - 1);
6111     for (y = 0; y < ed_fieldy; y++)
6112       DrawEditorElementOrWall(x, y, from_x, from_y);
6113   }
6114   else if (dy)
6115   {
6116     y = (dy == 1 ? 0 : ed_fieldy - 1);
6117     for (x = 0; x < ed_fieldx; x++)
6118       DrawEditorElementOrWall(x, y, from_x, from_y);
6119   }
6120
6121   redraw_mask |= REDRAW_FIELD;
6122   BackToFront();
6123 }
6124
6125 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6126                                    int *x, int *y)
6127 {
6128   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6129 }
6130
6131 static void CreateControlButtons(void)
6132 {
6133   struct GadgetInfo *gi;
6134   int i;
6135
6136   // create toolbox buttons
6137   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6138   {
6139     int id = controlbutton_info[i].gadget_id;
6140     int type = controlbutton_info[i].gadget_type;
6141     int graphic = controlbutton_info[i].graphic;
6142     struct XYTileSize *pos = controlbutton_info[i].pos;
6143     struct GraphicInfo *gd = &graphic_info[graphic];
6144     Bitmap *deco_bitmap = NULL;
6145     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6146     int tile_size = 0, deco_shift = 0;
6147     boolean deco_masked = FALSE;
6148     int gd_x1 = gd->src_x;
6149     int gd_y1 = gd->src_y;
6150     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6151     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6152     int gd_x1a = gd->src_x + gd->active_xoffset;
6153     int gd_y1a = gd->src_y + gd->active_yoffset;
6154     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6155     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6156     int x = pos->x;
6157     int y = pos->y;
6158     unsigned int event_mask;
6159     int radio_button_nr = RADIO_NR_NONE;
6160     boolean checked = FALSE;
6161
6162     if (type == GD_TYPE_RADIO_BUTTON)
6163     {
6164       event_mask = GD_EVENT_PRESSED;
6165       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6166
6167       if (id == drawing_function)
6168         checked = TRUE;
6169     }
6170     else
6171     {
6172       if (id == GADGET_ID_WRAP_LEFT ||
6173           id == GADGET_ID_WRAP_RIGHT ||
6174           id == GADGET_ID_WRAP_UP ||
6175           id == GADGET_ID_WRAP_DOWN)
6176         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6177       else
6178         event_mask = GD_EVENT_RELEASED;
6179     }
6180
6181     if (id == GADGET_ID_PROPERTIES ||
6182         id == GADGET_ID_PALETTE)
6183     {
6184       x += DX;
6185       y += DY;
6186     }
6187     else if (id == GADGET_ID_ELEMENT_LEFT ||
6188              id == GADGET_ID_ELEMENT_MIDDLE ||
6189              id == GADGET_ID_ELEMENT_RIGHT)
6190     {
6191       x += DX;
6192       y += DY;
6193
6194       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6195                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6196                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6197
6198       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6199                                    editor.button.element_left.tile_size :
6200                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6201                                    editor.button.element_middle.tile_size :
6202                                    id == GADGET_ID_ELEMENT_RIGHT ?
6203                                    editor.button.element_right.tile_size : 0);
6204
6205       // make sure that decoration does not overlap gadget border
6206       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6207
6208       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6209
6210       deco_xpos = (gd->width  - tile_size) / 2;
6211       deco_ypos = (gd->height - tile_size) / 2;
6212       deco_shift = 1;
6213       deco_masked = gd->draw_masked;
6214     }
6215     else
6216     {
6217       x += EX;
6218       y += EY;
6219     }
6220
6221     gi = CreateGadget(GDI_CUSTOM_ID, id,
6222                       GDI_CUSTOM_TYPE_ID, i,
6223                       GDI_IMAGE_ID, graphic,
6224                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6225                       GDI_X, x,
6226                       GDI_Y, y,
6227                       GDI_WIDTH, gd->width,
6228                       GDI_HEIGHT, gd->height,
6229                       GDI_TYPE, type,
6230                       GDI_STATE, GD_BUTTON_UNPRESSED,
6231                       GDI_RADIO_NR, radio_button_nr,
6232                       GDI_CHECKED, checked,
6233                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6234                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6235                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6236                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6237                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6238                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6239                       GDI_DECORATION_SIZE, tile_size, tile_size,
6240                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6241                       GDI_DECORATION_MASKED, deco_masked,
6242                       GDI_EVENT_MASK, event_mask,
6243                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6244                       GDI_CALLBACK_ACTION, HandleControlButtons,
6245                       GDI_END);
6246
6247     if (gi == NULL)
6248       Fail("cannot create gadget");
6249
6250     level_editor_gadget[id] = gi;
6251   }
6252
6253   // these values are not constant, but can change at runtime
6254   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6255   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6256   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6257   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6258   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6259   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6260   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6261   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6262   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6263   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6264   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6265   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6266
6267   // create buttons for scrolling of drawing area and element list
6268   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6269   {
6270     int id = scrollbutton_info[i].gadget_id;
6271     int graphic = scrollbutton_info[i].graphic;
6272     struct GraphicInfo *gd = &graphic_info[graphic];
6273     Bitmap *gd_bitmap = gd->bitmap;
6274     int gd_x1 = gd->src_x;
6275     int gd_y1 = gd->src_y;
6276     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6277     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6278     int width  = gd->width;
6279     int height = gd->height;
6280     int x = scrollbutton_pos[i].x;
6281     int y = scrollbutton_pos[i].y;
6282     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6283
6284     if (id == GADGET_ID_SCROLL_LIST_UP ||
6285         id == GADGET_ID_SCROLL_LIST_DOWN)
6286     {
6287       x += PX;
6288       y += PY;
6289     }
6290     else
6291     {
6292       x += SX;
6293       y += SY;
6294     }
6295
6296     gi = CreateGadget(GDI_CUSTOM_ID, id,
6297                       GDI_CUSTOM_TYPE_ID, i,
6298                       GDI_IMAGE_ID, graphic,
6299                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6300                       GDI_X, x,
6301                       GDI_Y, y,
6302                       GDI_WIDTH, width,
6303                       GDI_HEIGHT, height,
6304                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6305                       GDI_STATE, GD_BUTTON_UNPRESSED,
6306                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6307                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6308                       GDI_EVENT_MASK, event_mask,
6309                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6310                       GDI_CALLBACK_ACTION, HandleControlButtons,
6311                       GDI_END);
6312
6313     if (gi == NULL)
6314       Fail("cannot create gadget");
6315
6316     level_editor_gadget[id] = gi;
6317   }
6318
6319   // create buttons for element list
6320   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6321   {
6322     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6323     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6324     struct GraphicInfo *gd = &graphic_info[graphic];
6325     Bitmap *gd_bitmap = gd->bitmap;
6326     Bitmap *deco_bitmap;
6327     int deco_x, deco_y, deco_xpos, deco_ypos;
6328     int gd_x1 = gd->src_x;
6329     int gd_y1 = gd->src_y;
6330     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6331     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6332     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6333     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6334     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6335     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6336     int element = editor_elements[i];
6337     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6338     unsigned int event_mask = GD_EVENT_RELEASED;
6339
6340     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6341
6342     deco_xpos = (gd->width  - tile_size) / 2;
6343     deco_ypos = (gd->height - tile_size) / 2;
6344
6345     gi = CreateGadget(GDI_CUSTOM_ID, id,
6346                       GDI_CUSTOM_TYPE_ID, i,
6347                       GDI_IMAGE_ID, graphic,
6348                       GDI_INFO_TEXT, getElementInfoText(element),
6349                       GDI_X, x,
6350                       GDI_Y, y,
6351                       GDI_WIDTH, gd->width,
6352                       GDI_HEIGHT, gd->height,
6353                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6354                       GDI_STATE, GD_BUTTON_UNPRESSED,
6355                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6356                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6357                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6358                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6359                       GDI_DECORATION_SIZE, tile_size, tile_size,
6360                       GDI_DECORATION_SHIFTING, 1, 1,
6361                       GDI_EVENT_MASK, event_mask,
6362                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6363                       GDI_CALLBACK_ACTION, HandleControlButtons,
6364                       GDI_END);
6365
6366     if (gi == NULL)
6367       Fail("cannot create gadget");
6368
6369     level_editor_gadget[id] = gi;
6370   }
6371 }
6372
6373 static void CreateCounterButtons(void)
6374 {
6375   int max_infotext_len = getMaxInfoTextLength();
6376   int i;
6377
6378   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6379   {
6380     int j;
6381     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
6382     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6383
6384     // determine horizontal position to the right of specified gadget
6385     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6386       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6387            ED_GADGET_TEXT_DISTANCE);
6388
6389     // determine horizontal offset for leading text
6390     if (counterbutton_info[i].text_left != NULL)
6391       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6392
6393     for (j = 0; j < 2; j++)
6394     {
6395       struct GadgetInfo *gi;
6396       int id = (j == 0 ?
6397                 counterbutton_info[i].gadget_id_down :
6398                 counterbutton_info[i].gadget_id_up);
6399       int graphic;
6400       struct GraphicInfo *gd;
6401       int gd_x1, gd_x2, gd_y1, gd_y2;
6402       unsigned int event_mask;
6403       char infotext[max_infotext_len + 1];
6404
6405       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6406
6407       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6408       {
6409         graphic = (j == 0 ?
6410                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6411                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6412
6413         event_mask |= GD_EVENT_RELEASED;
6414
6415         if (j == 0)
6416         {
6417           x = DX + editor.button.prev_level.x;
6418           y = DY + editor.button.prev_level.y;
6419         }
6420         else
6421         {
6422           x = DX + editor.button.next_level.x;
6423           y = DY + editor.button.next_level.y;
6424         }
6425       }
6426       else
6427       {
6428         graphic = (j == 0 ?
6429                    IMG_EDITOR_COUNTER_DOWN :
6430                    IMG_EDITOR_COUNTER_UP);
6431       }
6432
6433       gd = &graphic_info[graphic];
6434
6435       gd_x1 = gd->src_x;
6436       gd_y1 = gd->src_y;
6437       gd_x2 = gd->src_x + gd->pressed_xoffset;
6438       gd_y2 = gd->src_y + gd->pressed_yoffset;
6439
6440       sprintf(infotext, "%s counter value by 1, 5 or 10",
6441               (j == 0 ? "decrease" : "increase"));
6442
6443       gi = CreateGadget(GDI_CUSTOM_ID, id,
6444                         GDI_CUSTOM_TYPE_ID, i,
6445                         GDI_IMAGE_ID, graphic,
6446                         GDI_INFO_TEXT, infotext,
6447                         GDI_X, x,
6448                         GDI_Y, y,
6449                         GDI_WIDTH, gd->width,
6450                         GDI_HEIGHT, gd->height,
6451                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6452                         GDI_STATE, GD_BUTTON_UNPRESSED,
6453                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6454                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6455                         GDI_EVENT_MASK, event_mask,
6456                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6457                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6458                         GDI_END);
6459
6460       if (gi == NULL)
6461         Fail("cannot create gadget");
6462
6463       level_editor_gadget[id] = gi;
6464       right_gadget_border[id] =
6465         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6466
6467       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
6468
6469       if (j == 0)
6470       {
6471         int font_type = FONT_INPUT_1;
6472         int font_type_active = FONT_INPUT_1_ACTIVE;
6473
6474         id = counterbutton_info[i].gadget_id_text;
6475
6476         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6477
6478         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6479         {
6480           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6481
6482           font_type = FONT_LEVEL_NUMBER;
6483           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6484
6485           x = DX + editor.input.level_number.x;
6486           y = DY + editor.input.level_number.y;
6487         }
6488         else
6489         {
6490           graphic = IMG_EDITOR_COUNTER_INPUT;
6491         }
6492
6493         gd = &graphic_info[graphic];
6494
6495         gd_x1 = gd->src_x;
6496         gd_y1 = gd->src_y;
6497         gd_x2 = gd->src_x + gd->active_xoffset;
6498         gd_y2 = gd->src_y + gd->active_yoffset;
6499
6500         gi = CreateGadget(GDI_CUSTOM_ID, id,
6501                           GDI_CUSTOM_TYPE_ID, i,
6502                           GDI_IMAGE_ID, graphic,
6503                           GDI_INFO_TEXT, "enter counter value",
6504                           GDI_X, x,
6505                           GDI_Y, y,
6506                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6507                           GDI_NUMBER_VALUE, 0,
6508                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6509                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6510                           GDI_TEXT_SIZE, 3,     // minimal counter text size
6511                           GDI_TEXT_FONT, font_type,
6512                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6513                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6514                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6515                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6516                           GDI_DESIGN_WIDTH, gd->width,
6517                           GDI_EVENT_MASK, event_mask,
6518                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6519                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6520                           GDI_END);
6521
6522         if (gi == NULL)
6523           Fail("cannot create gadget");
6524
6525         level_editor_gadget[id] = gi;
6526         right_gadget_border[id] =
6527           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6528
6529         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
6530       }
6531     }
6532   }
6533 }
6534
6535 static void CreateDrawingAreas(void)
6536 {
6537   int i;
6538
6539   // these values are not constant, but can change at runtime
6540   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6541   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6542
6543   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6544   {
6545     struct GadgetInfo *gi;
6546     unsigned int event_mask;
6547     int id = drawingarea_info[i].gadget_id;
6548     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6549     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6550     int area_xsize = drawingarea_info[i].area_xsize;
6551     int area_ysize = drawingarea_info[i].area_ysize;
6552     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6553                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6554
6555     event_mask =
6556       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6557       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6558
6559     // determine horizontal position to the right of specified gadget
6560     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6561       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6562            ED_DRAWINGAREA_TEXT_DISTANCE);
6563
6564     // determine horizontal offset for leading text
6565     if (drawingarea_info[i].text_left != NULL)
6566       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6567
6568     gi = CreateGadget(GDI_CUSTOM_ID, id,
6569                       GDI_CUSTOM_TYPE_ID, i,
6570                       GDI_X, x,
6571                       GDI_Y, y,
6572                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6573                       GDI_AREA_SIZE, area_xsize, area_ysize,
6574                       GDI_ITEM_SIZE, item_size, item_size,
6575                       GDI_EVENT_MASK, event_mask,
6576                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6577                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6578                       GDI_END);
6579
6580     if (gi == NULL)
6581       Fail("cannot create gadget");
6582
6583     level_editor_gadget[id] = gi;
6584     right_gadget_border[id] =
6585       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6586   }
6587 }
6588
6589 static void CreateTextInputGadgets(void)
6590 {
6591   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6592   int max_infotext_len = getMaxInfoTextLength();
6593   int i;
6594
6595   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6596   {
6597     int gd_x1 = gd->src_x;
6598     int gd_y1 = gd->src_y;
6599     int gd_x2 = gd->src_x + gd->active_xoffset;
6600     int gd_y2 = gd->src_y + gd->active_yoffset;
6601     struct GadgetInfo *gi;
6602     unsigned int event_mask;
6603     char infotext[MAX_OUTPUT_LINESIZE + 1];
6604     int id = textinput_info[i].gadget_id;
6605     int x, y;
6606
6607     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6608     {
6609       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6610       int border_size = gd->border_size;
6611       int font_nr = FONT_INPUT_1;
6612       int font_height = getFontHeight(font_nr);
6613       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6614       int yoffset = element_border + (TILEY - font_height) / 2;
6615
6616       x = (editor.settings.element_name.x != -1 ?
6617            editor.settings.element_name.x :
6618            editor.settings.element_graphic.x + xoffset) - border_size;
6619       y = (editor.settings.element_name.y != -1 ?
6620            editor.settings.element_name.y :
6621            editor.settings.element_graphic.y + yoffset) - border_size;
6622     }
6623     else
6624     {
6625       x = ED_SETTINGS_X(textinput_info[i].x);
6626       y = ED_SETTINGS_Y(textinput_info[i].y);
6627     }
6628
6629     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6630
6631     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6632     infotext[max_infotext_len] = '\0';
6633
6634     gi = CreateGadget(GDI_CUSTOM_ID, id,
6635                       GDI_CUSTOM_TYPE_ID, i,
6636                       GDI_INFO_TEXT, infotext,
6637                       GDI_X, SX + x,
6638                       GDI_Y, SY + y,
6639                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6640                       GDI_TEXT_VALUE, textinput_info[i].value,
6641                       GDI_TEXT_SIZE, textinput_info[i].size,
6642                       GDI_TEXT_FONT, FONT_INPUT_1,
6643                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6644                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6645                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6646                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6647                       GDI_DESIGN_WIDTH, gd->width,
6648                       GDI_EVENT_MASK, event_mask,
6649                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6650                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6651                       GDI_END);
6652
6653     if (gi == NULL)
6654       Fail("cannot create gadget");
6655
6656     level_editor_gadget[id] = gi;
6657   }
6658 }
6659
6660 static void CreateTextAreaGadgets(void)
6661 {
6662   int max_infotext_len = getMaxInfoTextLength();
6663   int i;
6664
6665   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6666   {
6667     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6668     int gd_x1 = gd->src_x;
6669     int gd_y1 = gd->src_y;
6670     int gd_x2 = gd->src_x + gd->active_xoffset;
6671     int gd_y2 = gd->src_y + gd->active_yoffset;
6672     struct GadgetInfo *gi;
6673     unsigned int event_mask;
6674     char infotext[MAX_OUTPUT_LINESIZE + 1];
6675     int id = textarea_info[i].gadget_id;
6676     int area_xsize = textarea_info[i].xsize;
6677     int area_ysize = textarea_info[i].ysize;
6678
6679     event_mask = GD_EVENT_TEXT_LEAVING;
6680
6681     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6682     infotext[max_infotext_len] = '\0';
6683
6684     gi = CreateGadget(GDI_CUSTOM_ID, id,
6685                       GDI_CUSTOM_TYPE_ID, i,
6686                       GDI_INFO_TEXT, infotext,
6687                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6688                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6689                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6690                       GDI_AREA_SIZE, area_xsize, area_ysize,
6691                       GDI_TEXT_FONT, FONT_INPUT_1,
6692                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6693                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6694                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6695                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6696                       GDI_DESIGN_WIDTH, gd->width,
6697                       GDI_EVENT_MASK, event_mask,
6698                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6699                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6700                       GDI_END);
6701
6702     if (gi == NULL)
6703       Fail("cannot create gadget");
6704
6705     level_editor_gadget[id] = gi;
6706   }
6707 }
6708
6709 static void CreateSelectboxGadgets(void)
6710 {
6711   int max_infotext_len = getMaxInfoTextLength();
6712   int i, j;
6713
6714   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6715   {
6716     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6717     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6718     int gd_x1 = gd->src_x;
6719     int gd_y1 = gd->src_y;
6720     int gd_x2 = gd->src_x + gd->active_xoffset;
6721     int gd_y2 = gd->src_y + gd->active_yoffset;
6722     int selectbox_button_xsize = gd2->width;
6723     struct GadgetInfo *gi;
6724     unsigned int event_mask;
6725     char infotext[MAX_OUTPUT_LINESIZE + 1];
6726     int id = selectbox_info[i].gadget_id;
6727     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6728     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6729
6730     if (selectbox_info[i].size == -1)   // dynamically determine size
6731     {
6732       // (we cannot use -1 for uninitialized values if we directly compare
6733       // with results from strlen(), because the '<' and '>' operation will
6734       // implicitely cast -1 to an unsigned integer value!)
6735       selectbox_info[i].size = 0;
6736
6737       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6738         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6739           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6740
6741       selectbox_info[i].size++;         // add one character empty space
6742     }
6743
6744     event_mask = GD_EVENT_RELEASED |
6745       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6746
6747     // determine horizontal position to the right of specified gadget
6748     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6749       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6750            ED_GADGET_TEXT_DISTANCE);
6751
6752     // determine horizontal offset for leading text
6753     if (selectbox_info[i].text_left != NULL)
6754       x += getTextWidthForGadget(selectbox_info[i].text_left);
6755
6756     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6757     infotext[max_infotext_len] = '\0';
6758
6759     gi = CreateGadget(GDI_CUSTOM_ID, id,
6760                       GDI_CUSTOM_TYPE_ID, i,
6761                       GDI_INFO_TEXT, infotext,
6762                       GDI_X, x,
6763                       GDI_Y, y,
6764                       GDI_TYPE, GD_TYPE_SELECTBOX,
6765                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6766                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6767                       GDI_TEXT_SIZE, selectbox_info[i].size,
6768                       GDI_TEXT_FONT, FONT_INPUT_1,
6769                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6770                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6771                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6772                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6773                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6774                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6775                       GDI_DESIGN_WIDTH, gd->width,
6776                       GDI_EVENT_MASK, event_mask,
6777                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6778                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6779                       GDI_END);
6780
6781     if (gi == NULL)
6782       Fail("cannot create gadget");
6783
6784     level_editor_gadget[id] = gi;
6785     right_gadget_border[id] =
6786       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6787   }
6788 }
6789
6790 static void CreateTextbuttonGadgets(void)
6791 {
6792   int max_infotext_len = getMaxInfoTextLength();
6793   int i;
6794
6795   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6796   {
6797     int id = textbutton_info[i].gadget_id;
6798     int is_tab_button =
6799       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6800        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6801     int graphic =
6802       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6803     int gadget_distance =
6804       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6805     struct GraphicInfo *gd = &graphic_info[graphic];
6806     int gd_x1 = gd->src_x;
6807     int gd_y1 = gd->src_y;
6808     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6809     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6810     int gd_x1a = gd->src_x + gd->active_xoffset;
6811     int gd_y1a = gd->src_y + gd->active_yoffset;
6812     int border_xsize = gd->border_size + gd->draw_xoffset;
6813     int border_ysize = gd->border_size;
6814     struct GadgetInfo *gi;
6815     unsigned int event_mask;
6816     char infotext[MAX_OUTPUT_LINESIZE + 1];
6817     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6818     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6819
6820     if (textbutton_info[i].size == -1)  // dynamically determine size
6821       textbutton_info[i].size = strlen(textbutton_info[i].text);
6822
6823     event_mask = GD_EVENT_RELEASED;
6824
6825     sprintf(infotext, "%s", textbutton_info[i].infotext);
6826     infotext[max_infotext_len] = '\0';
6827
6828     // determine horizontal position to the right of specified gadget
6829     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6830     {
6831       int gadget_id_align = textbutton_info[i].gadget_id_align;
6832
6833       x = right_gadget_border[gadget_id_align] + gadget_distance;
6834
6835       if (textbutton_info[i].y == -1)
6836         y = level_editor_gadget[gadget_id_align]->y;
6837     }
6838
6839     // determine horizontal offset for leading text
6840     if (textbutton_info[i].text_left != NULL)
6841       x += getTextWidthForGadget(textbutton_info[i].text_left);
6842
6843     gi = CreateGadget(GDI_CUSTOM_ID, id,
6844                       GDI_CUSTOM_TYPE_ID, i,
6845                       GDI_IMAGE_ID, graphic,
6846                       GDI_INFO_TEXT, infotext,
6847                       GDI_X, x,
6848                       GDI_Y, y,
6849                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6850                       GDI_TEXT_VALUE, textbutton_info[i].text,
6851                       GDI_TEXT_SIZE, textbutton_info[i].size,
6852                       GDI_TEXT_FONT, FONT_INPUT_2,
6853                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6854                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6855                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6856                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6857                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6858                       GDI_DESIGN_WIDTH, gd->width,
6859                       GDI_DECORATION_SHIFTING, 1, 1,
6860                       GDI_EVENT_MASK, event_mask,
6861                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6862                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6863                       GDI_END);
6864
6865     if (gi == NULL)
6866       Fail("cannot create gadget");
6867
6868     level_editor_gadget[id] = gi;
6869     right_gadget_border[id] =
6870       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6871   }
6872 }
6873
6874 static void CreateGraphicbuttonGadgets(void)
6875 {
6876   struct GadgetInfo *gi;
6877   unsigned int event_mask;
6878   int i;
6879
6880   // create buttons for scrolling of drawing area and element list
6881   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6882   {
6883     int id = graphicbutton_info[i].gadget_id;
6884     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6885     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6886     int graphic = graphicbutton_info[i].graphic;
6887     struct GraphicInfo *gd = &graphic_info[graphic];
6888     int gd_x1 = gd->src_x;
6889     int gd_y1 = gd->src_y;
6890     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6891     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6892
6893     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6894
6895     // determine horizontal position to the right of specified gadget
6896     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6897       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6898            ED_GADGET_TEXT_DISTANCE);
6899
6900     // determine horizontal offset for leading text
6901     if (graphicbutton_info[i].text_left != NULL)
6902       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6903
6904     gi = CreateGadget(GDI_CUSTOM_ID, id,
6905                       GDI_CUSTOM_TYPE_ID, i,
6906                       GDI_IMAGE_ID, graphic,
6907                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6908                       GDI_X, x,
6909                       GDI_Y, y,
6910                       GDI_WIDTH, gd->width,
6911                       GDI_HEIGHT, gd->height,
6912                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6913                       GDI_STATE, GD_BUTTON_UNPRESSED,
6914                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6915                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6916                       GDI_EVENT_MASK, event_mask,
6917                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6918                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6919                       GDI_END);
6920
6921     if (gi == NULL)
6922       Fail("cannot create gadget");
6923
6924     level_editor_gadget[id] = gi;
6925     right_gadget_border[id] =
6926       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6927   }
6928 }
6929
6930 static void CreateScrollbarGadgets(void)
6931 {
6932   int i;
6933
6934   // these values are not constant, but can change at runtime
6935   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6936     SX + ED_SCROLL_HORIZONTAL_XPOS;
6937   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6938     SY + ED_SCROLL_HORIZONTAL_YPOS;
6939   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6940     ED_SCROLL_HORIZONTAL_XSIZE;
6941   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6942     ED_SCROLL_HORIZONTAL_YSIZE;
6943   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6944   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6945   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6946   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6947
6948   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6949     SX + ED_SCROLL_VERTICAL_XPOS;
6950   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6951     SY + ED_SCROLL_VERTICAL_YPOS;
6952   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6953     ED_SCROLL_VERTICAL_XSIZE;
6954   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6955     ED_SCROLL_VERTICAL_YSIZE;
6956   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6957   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6958   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6959   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6960
6961   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6962     PX + ED_SCROLL2_VERTICAL_XPOS;
6963   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6964     PY + ED_SCROLL2_VERTICAL_YPOS;
6965   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6966     ED_SCROLL2_VERTICAL_XSIZE;
6967   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6968     ED_SCROLL2_VERTICAL_YSIZE;
6969   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6970   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6971   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6972   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6973
6974   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6975   {
6976     int id = scrollbar_info[i].gadget_id;
6977     int graphic = scrollbar_info[i].graphic;
6978     struct GraphicInfo *gd = &graphic_info[graphic];
6979     int gd_x1 = gd->src_x;
6980     int gd_y1 = gd->src_y;
6981     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6982     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6983     struct GadgetInfo *gi;
6984     int items_max, items_visible, item_position;
6985     unsigned int event_mask;
6986
6987     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6988     {
6989       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6990       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6991       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6992     }
6993     else        // drawing area scrollbars
6994     {
6995       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6996       {
6997         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6998         items_visible = ed_fieldx;
6999         item_position = 0;
7000       }
7001       else
7002       {
7003         items_max = MAX(lev_fieldy + 2, ed_fieldy);
7004         items_visible = ed_fieldy;
7005         item_position = 0;
7006       }
7007     }
7008
7009     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
7010
7011     gi = CreateGadget(GDI_CUSTOM_ID, id,
7012                       GDI_CUSTOM_TYPE_ID, i,
7013                       GDI_IMAGE_ID, graphic,
7014                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
7015                       GDI_X, scrollbar_pos[i].x,
7016                       GDI_Y, scrollbar_pos[i].y,
7017                       GDI_WIDTH, scrollbar_pos[i].width,
7018                       GDI_HEIGHT, scrollbar_pos[i].height,
7019                       GDI_TYPE, scrollbar_info[i].type,
7020                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
7021                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7022                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
7023                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
7024                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
7025                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
7026                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
7027                       GDI_STATE, GD_BUTTON_UNPRESSED,
7028                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7029                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7030                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7031                       GDI_EVENT_MASK, event_mask,
7032                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7033                       GDI_CALLBACK_ACTION, HandleControlButtons,
7034                       GDI_END);
7035
7036     if (gi == NULL)
7037       Fail("cannot create gadget");
7038
7039     level_editor_gadget[id] = gi;
7040   }
7041 }
7042
7043 static void CreateCheckbuttonGadgets(void)
7044 {
7045   struct GadgetInfo *gi;
7046   unsigned int event_mask;
7047   int i;
7048
7049   event_mask = GD_EVENT_PRESSED;
7050
7051   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7052   {
7053     int id = checkbutton_info[i].gadget_id;
7054     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7055                    IMG_EDITOR_CHECKBOX);
7056     struct GraphicInfo *gd = &graphic_info[graphic];
7057     int gd_x1 = gd->src_x;
7058     int gd_y1 = gd->src_y;
7059     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7060     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7061     int gd_x1a = gd->src_x + gd->active_xoffset;
7062     int gd_y1a = gd->src_y + gd->active_yoffset;
7063     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7064     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7065     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7066     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7067
7068     // determine horizontal position to the right of specified gadget
7069     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7070       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7071            ED_GADGET_TEXT_DISTANCE);
7072
7073     // determine horizontal offset for leading text
7074     if (checkbutton_info[i].text_left != NULL)
7075       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7076
7077     gi = CreateGadget(GDI_CUSTOM_ID, id,
7078                       GDI_CUSTOM_TYPE_ID, i,
7079                       GDI_IMAGE_ID, graphic,
7080                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7081                       GDI_X, x,
7082                       GDI_Y, y,
7083                       GDI_WIDTH, gd->width,
7084                       GDI_HEIGHT, gd->height,
7085                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7086                       GDI_CHECKED, *checkbutton_info[i].value,
7087                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7088                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7089                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7090                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7091                       GDI_EVENT_MASK, event_mask,
7092                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7093                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7094                       GDI_END);
7095
7096     if (gi == NULL)
7097       Fail("cannot create gadget");
7098
7099     level_editor_gadget[id] = gi;
7100     right_gadget_border[id] =
7101       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7102   }
7103 }
7104
7105 static void CreateRadiobuttonGadgets(void)
7106 {
7107   int graphic = IMG_EDITOR_RADIOBUTTON;
7108   struct GraphicInfo *gd = &graphic_info[graphic];
7109   int gd_x1 = gd->src_x;
7110   int gd_y1 = gd->src_y;
7111   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7112   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7113   int gd_x1a = gd->src_x + gd->active_xoffset;
7114   int gd_y1a = gd->src_y + gd->active_yoffset;
7115   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7116   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7117   struct GadgetInfo *gi;
7118   unsigned int event_mask;
7119   int i;
7120
7121   event_mask = GD_EVENT_PRESSED;
7122
7123   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7124   {
7125     int id = radiobutton_info[i].gadget_id;
7126     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7127     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7128
7129     int checked =
7130       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7131
7132     // determine horizontal position to the right of specified gadget
7133     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7134       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7135            ED_GADGET_TEXT_DISTANCE);
7136
7137     // determine horizontal offset for leading text
7138     if (radiobutton_info[i].text_left != NULL)
7139       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7140
7141     gi = CreateGadget(GDI_CUSTOM_ID, id,
7142                       GDI_CUSTOM_TYPE_ID, i,
7143                       GDI_IMAGE_ID, graphic,
7144                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7145                       GDI_X, x,
7146                       GDI_Y, y,
7147                       GDI_WIDTH, gd->width,
7148                       GDI_HEIGHT, gd->height,
7149                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7150                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7151                       GDI_CHECKED, checked,
7152                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7153                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7154                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7155                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7156                       GDI_EVENT_MASK, event_mask,
7157                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7158                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7159                       GDI_END);
7160
7161     if (gi == NULL)
7162       Fail("cannot create gadget");
7163
7164     level_editor_gadget[id] = gi;
7165     right_gadget_border[id] =
7166       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7167   }
7168 }
7169
7170 void CreateLevelEditorGadgets(void)
7171 {
7172   // force EDITOR font inside level editor
7173   SetFontStatus(GAME_MODE_EDITOR);
7174
7175   // these values are not constant, but can change at runtime
7176   ed_fieldx = MAX_ED_FIELDX - 1;
7177   ed_fieldy = MAX_ED_FIELDY - 1;
7178
7179   num_editor_gadgets = NUM_EDITOR_GADGETS;
7180
7181   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
7182
7183   level_editor_gadget =
7184     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7185   right_gadget_border =
7186     checked_calloc(num_editor_gadgets * sizeof(int));
7187
7188   // set number of empty (padding) element buttons to maximum number of buttons
7189   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
7190
7191   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
7192   editor_el_empty_ptr = editor_el_empty;
7193
7194   use_permanent_palette = !editor.palette.show_as_separate_screen;
7195
7196   ReinitializeElementList();
7197
7198   CreateControlButtons();
7199   CreateScrollbarGadgets();
7200
7201   // order of function calls is important because of cross-references
7202   CreateCheckbuttonGadgets();
7203   CreateCounterButtons();
7204   CreateRadiobuttonGadgets();
7205   CreateTextInputGadgets();
7206   CreateTextAreaGadgets();
7207   CreateSelectboxGadgets();
7208   CreateGraphicbuttonGadgets();
7209   CreateTextbuttonGadgets();
7210   CreateDrawingAreas();
7211
7212   ResetFontStatus();
7213 }
7214
7215 void FreeLevelEditorGadgets(void)
7216 {
7217   int i;
7218
7219   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
7220
7221   for (i = 0; i < num_editor_gadgets; i++)
7222   {
7223     FreeGadget(level_editor_gadget[i]);
7224
7225     level_editor_gadget[i] = NULL;
7226   }
7227
7228   checked_free(level_editor_gadget);
7229   checked_free(right_gadget_border);
7230
7231   checked_free(editor_el_empty);
7232 }
7233
7234 static void MapCounterButtons(int id)
7235 {
7236   int font_nr = FONT_TEXT_1;
7237   int font_height = getFontHeight(font_nr);
7238   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7239   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7240   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7241   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7242   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7243   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7244   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7245   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7246   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7247   int yoffset = (gi_down->height - font_height) / 2;
7248   int x_left = gi_down->x - xoffset_left;
7249   int x_right;  // set after gadget position was modified
7250   int y_above = gi_down->y - yoffset_above;
7251   int x = gi_down->x;
7252   int y;        // set after gadget position was modified
7253
7254   // counter limits must be changed first to prevent value truncation
7255   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7256                             counterbutton_info[id].max_value);
7257
7258   // right text position might have changed after setting position above
7259   x_right = gi_up->x + gi_up->width + xoffset_right;
7260
7261   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7262
7263   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7264   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7265       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7266   {
7267     ModifyGadget(gi_down, GDI_Y,
7268                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7269     ModifyGadget(gi_text, GDI_Y,
7270                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7271     ModifyGadget(gi_up,   GDI_Y,
7272                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7273   }
7274
7275   // vertical position might have changed after setting position above
7276   y = gi_up->y + yoffset;
7277
7278   if (counterbutton_info[id].text_above)
7279     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7280
7281   if (counterbutton_info[id].text_left)
7282     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7283
7284   if (counterbutton_info[id].text_right)
7285     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7286
7287   MapGadget(gi_down);
7288   MapGadget(gi_text);
7289   MapGadget(gi_up);
7290 }
7291
7292 static void MapControlButtons(void)
7293 {
7294   int counter_id;
7295   int i;
7296
7297   // map toolbox buttons (excluding special CE toolbox buttons)
7298   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7299     MapGadget(level_editor_gadget[i]);
7300
7301   // map toolbox buttons (element properties buttons)
7302   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7303     MapGadget(level_editor_gadget[i]);
7304
7305   if (use_permanent_palette)
7306   {
7307     // map buttons to select elements
7308     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7309       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7310     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7311     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7312     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7313   }
7314
7315   // map buttons to select level
7316   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7317   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7318   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7319   MapCounterButtons(counter_id);
7320 }
7321
7322 static void MapDrawingArea(int id)
7323 {
7324   int font_nr = FONT_TEXT_1;
7325   int font_height = getFontHeight(font_nr);
7326   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7327   int area_xsize = gi->drawing.area_xsize;
7328   int area_ysize = gi->drawing.area_ysize;
7329   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7330   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7331   int x_left  = gi->x - xoffset_left;
7332   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7333   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
7334   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7335   int y_side  = gi->y + (gi->height - font_height) / 2;
7336   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
7337   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7338
7339   if (drawingarea_info[id].text_left)
7340     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7341
7342   if (drawingarea_info[id].text_right)
7343     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7344
7345   if (drawingarea_info[id].text_above)
7346     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
7347
7348   if (drawingarea_info[id].text_below)
7349     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7350
7351   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7352   {
7353     DrawElementBorder(gi->x, gi->y,
7354                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7355                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7356
7357     DrawDrawingArea(id);
7358   }
7359
7360   MapGadget(gi);
7361 }
7362
7363 static void MapTextInputGadget(int id)
7364 {
7365   int font_nr = FONT_TEXT_1;
7366   int font_height = getFontHeight(font_nr);
7367   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7368   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7369   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7370   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7371
7372   if (textinput_info[id].text_above)
7373     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7374
7375   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7376
7377   MapGadget(gi);
7378 }
7379
7380 static void MapTextAreaGadget(int id)
7381 {
7382   int font_nr = FONT_TEXT_1;
7383   int font_height = getFontHeight(font_nr);
7384   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7385   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7386   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7387   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7388
7389   if (textarea_info[id].text_above)
7390     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7391
7392   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7393
7394   MapGadget(gi);
7395 }
7396
7397 static void MapSelectboxGadget(int id)
7398 {
7399   int font_nr = FONT_TEXT_1;
7400   int font_height = getFontHeight(font_nr);
7401   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7402   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7403   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7404   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7405   int yoffset = (gi->height - font_height) / 2;
7406   int x_left = gi->x - xoffset_left;
7407   int x_right = gi->x + gi->width + xoffset_right;
7408   int y_above = gi->y - yoffset_above;
7409   int x = gi->x;
7410   int y = gi->y + yoffset;
7411
7412   if (selectbox_info[id].text_above)
7413     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7414
7415   if (selectbox_info[id].text_left)
7416     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7417
7418   if (selectbox_info[id].text_right)
7419     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7420
7421   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7422
7423   MapGadget(gi);
7424 }
7425
7426 static void MapTextbuttonGadget(int id)
7427 {
7428   int font_nr = FONT_TEXT_1;
7429   int font_height = getFontHeight(font_nr);
7430   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7431   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7432   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7433   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7434   int yoffset = (gi->height - font_height) / 2;
7435   int x_left = gi->x - xoffset_left;
7436   int x_right = gi->x + gi->width + xoffset_right;
7437   int y_above = gi->y - yoffset_above;
7438   int x = gi->x;
7439   int y = gi->y + yoffset;
7440
7441   // only show button to delete change pages when more than minimum pages
7442   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7443       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7444     return;
7445
7446   if (textbutton_info[id].text_above)
7447     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7448
7449   if (textbutton_info[id].text_left)
7450     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7451
7452   if (textbutton_info[id].text_right)
7453     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7454
7455   MapGadget(gi);
7456 }
7457
7458 static void MapGraphicbuttonGadget(int id)
7459 {
7460   int font_nr = FONT_TEXT_1;
7461   int font_height = getFontHeight(font_nr);
7462   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7463   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7464   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7465   int yoffset = (gi->height - font_height) / 2;
7466   int x_left = gi->x - xoffset_left;
7467   int x_right = gi->x + gi->width + xoffset_right;
7468   int y = gi->y + yoffset;
7469
7470   if (graphicbutton_info[id].text_left)
7471     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7472
7473   if (graphicbutton_info[id].text_right)
7474     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7475
7476   MapGadget(gi);
7477 }
7478
7479 static void MapRadiobuttonGadget(int id)
7480 {
7481   int font_nr = FONT_TEXT_1;
7482   int font_height = getFontHeight(font_nr);
7483   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7484   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7485   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7486   int yoffset = (gi->height - font_height) / 2;
7487   int x_left = gi->x - xoffset_left;
7488   int x_right = gi->x + gi->width + xoffset_right;
7489   int y = gi->y + yoffset;
7490   boolean checked =
7491     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7492
7493   if (radiobutton_info[id].text_left)
7494     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7495
7496   if (radiobutton_info[id].text_right)
7497     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7498
7499   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7500
7501   MapGadget(gi);
7502 }
7503
7504 static void MapCheckbuttonGadget(int id)
7505 {
7506   int font_nr = FONT_TEXT_1;
7507   int font_height = getFontHeight(font_nr);
7508   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7509   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7510   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7511   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7512   int yoffset = (gi->height - font_height) / 2;
7513   int y_above = gi->y - yoffset_above;
7514   int x = gi->x;
7515   int x_left, x_right, y;       // set after gadget position was modified
7516
7517   // set position for gadgets with dynamically determined position
7518   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
7519     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7520   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7521
7522   x_left = gi->x - xoffset_left;
7523   x_right = gi->x + gi->width + xoffset_right;
7524   y = gi->y + yoffset;
7525
7526   if (checkbutton_info[id].text_above)
7527     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7528
7529   if (checkbutton_info[id].text_left)
7530     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7531
7532   if (checkbutton_info[id].text_right)
7533     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7534
7535   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7536
7537   MapGadget(gi);
7538 }
7539
7540 static void MapMainDrawingArea(void)
7541 {
7542   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7543   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7544   int i;
7545
7546   if (suppressBorderElement())
7547   {
7548     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7549     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7550   }
7551
7552   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7553   {
7554     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7555           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7556          no_horizontal_scrollbar) ||
7557         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7558           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7559          no_vertical_scrollbar))
7560       continue;
7561
7562     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7563   }
7564
7565   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7566   {
7567     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7568         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7569       continue;
7570
7571     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7572   }
7573
7574   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7575 }
7576
7577 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7578 {
7579   int i;
7580
7581   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7582   {
7583     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7584         i == GADGET_ID_CUSTOM_COPY_TO ||
7585         i == GADGET_ID_CUSTOM_EXCHANGE ||
7586         i == GADGET_ID_CUSTOM_COPY ||
7587         i == GADGET_ID_CUSTOM_PASTE)
7588     {
7589       if (map)
7590         MapGadget(level_editor_gadget[i]);
7591       else
7592         UnmapGadget(level_editor_gadget[i]);
7593     }
7594   }
7595 }
7596
7597 static void MapLevelEditorToolboxCustomGadgets(void)
7598 {
7599   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7600 }
7601
7602 static void UnmapLevelEditorToolboxCustomGadgets(void)
7603 {
7604   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7605 }
7606
7607 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7608 {
7609   int i;
7610
7611   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7612   {
7613     if (i != GADGET_ID_SINGLE_ITEMS &&
7614         i != GADGET_ID_PICK_ELEMENT)
7615     {
7616       struct GadgetInfo *gi = level_editor_gadget[i];
7617
7618       if (map)
7619       {
7620         MapGadget(gi);
7621       }
7622       else
7623       {
7624         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7625         struct GraphicInfo *gd = &graphic_info[graphic];
7626
7627         UnmapGadget(gi);
7628
7629         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7630                    gi->width, gi->height, gi->x, gi->y);
7631
7632         redraw_mask |= REDRAW_DOOR_3;
7633       }
7634     }
7635   }
7636 }
7637
7638 static void MapLevelEditorToolboxDrawingGadgets(void)
7639 {
7640   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7641 }
7642
7643 static void UnmapLevelEditorToolboxDrawingGadgets(void)
7644 {
7645   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7646 }
7647
7648 static void UnmapDrawingArea(int id)
7649 {
7650   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7651 }
7652
7653 static void UnmapLevelEditorFieldGadgets(void)
7654 {
7655   int i;
7656
7657   for (i = 0; i < num_editor_gadgets; i++)
7658     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7659                           level_editor_gadget[i]->y))
7660       UnmapGadget(level_editor_gadget[i]);
7661 }
7662
7663 void UnmapLevelEditorGadgets(void)
7664 {
7665   int i;
7666
7667   for (i = 0; i < num_editor_gadgets; i++)
7668     UnmapGadget(level_editor_gadget[i]);
7669 }
7670
7671 static void ResetUndoBuffer(void)
7672 {
7673   undo_buffer_position = -1;
7674   undo_buffer_steps = -1;
7675   redo_buffer_steps = 0;
7676
7677   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7678
7679   level.changed = FALSE;
7680 }
7681
7682 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
7683 {
7684   if (remap_toolbox_gadgets)
7685   {
7686     ModifyEditorElementList();
7687     RedrawDrawingElements();
7688   }
7689
7690   if (edit_mode == ED_MODE_INFO)
7691     DrawLevelInfoWindow();
7692   else if (edit_mode == ED_MODE_PROPERTIES)
7693     DrawPropertiesWindow();
7694   else if (edit_mode == ED_MODE_PALETTE)
7695     DrawPaletteWindow();
7696   else  // edit_mode == ED_MODE_DRAWING
7697     DrawDrawingWindowExt(remap_toolbox_gadgets);
7698 }
7699
7700 static void DrawEditModeWindow(void)
7701 {
7702   DrawEditModeWindowExt(TRUE);
7703 }
7704
7705 static void DrawEditModeWindow_PlayfieldOnly(void)
7706 {
7707   DrawEditModeWindowExt(FALSE);
7708 }
7709
7710 static void ChangeEditModeWindow(int new_edit_mode)
7711 {
7712   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7713
7714   DrawEditModeWindow();
7715 }
7716
7717 static boolean LevelChanged(void)
7718 {
7719   boolean field_changed = FALSE;
7720   int x, y;
7721
7722   for (y = 0; y < lev_fieldy; y++)
7723     for (x = 0; x < lev_fieldx; x++)
7724       if (Tile[x][y] != level.field[x][y])
7725         field_changed = TRUE;
7726
7727   return (level.changed || field_changed);
7728 }
7729
7730 static boolean PrepareSavingIntoPersonalLevelSet(void)
7731 {
7732   static LevelDirTree *last_copied_leveldir = NULL;
7733   static LevelDirTree *last_written_leveldir = NULL;
7734   static int last_copied_level_nr = -1;
7735   static int last_written_level_nr = -1;
7736   LevelDirTree *leveldir_former = leveldir_current;
7737   int level_nr_former = level_nr;
7738   int new_level_nr;
7739
7740   // remember last mod/save so that for current session, we write
7741   // back to the same personal copy, asking only about overwrite.
7742   if (leveldir_current == last_copied_leveldir &&
7743       level_nr == last_copied_level_nr)
7744   {
7745     // "cd" to personal level set dir (as used when writing last copy)
7746     leveldir_current = last_written_leveldir;
7747     level_nr = last_written_level_nr;
7748
7749     return TRUE;
7750   }
7751
7752   if (!Request("This level is read-only! "
7753                "Save into personal level set?", REQ_ASK))
7754     return FALSE;
7755
7756   // "cd" to personal level set dir (for writing copy the first time)
7757   leveldir_current =
7758     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7759
7760   // this may happen if "setup.internal.create_user_levelset" is FALSE
7761   // or if file "levelinfo.conf" is missing in personal user level set
7762   if (leveldir_current == NULL)
7763   {
7764     Request("Cannot find personal level set?!", REQ_CONFIRM);
7765
7766     leveldir_current = leveldir_former;
7767
7768     return FALSE;
7769   }
7770
7771   // find unused level number
7772   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7773   {
7774     static char *level_filename = NULL;
7775
7776     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7777
7778     if (!fileExists(level_filename))
7779       break;
7780   }
7781
7782   last_copied_leveldir = leveldir_former;
7783   last_copied_level_nr = level_nr_former;
7784
7785   last_written_leveldir = leveldir_current;
7786   last_written_level_nr = level_nr = new_level_nr;
7787
7788   return TRUE;
7789 }
7790
7791 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7792 {
7793   static char *filename_levelinfo = NULL, *mod_name = NULL;
7794   FILE *file;
7795
7796   // annotate this copy-and-mod in personal levelinfo.conf
7797   setString(&filename_levelinfo,
7798             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7799
7800   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7801   {
7802     fprintf(file, "\n");
7803     fprintf(file, "# level %d was modified from:\n", level_nr);
7804     fprintf(file, "# - previous level set name:    %s\n",
7805             former_name);
7806     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7807             level.file_info.nr, level.name);
7808     fprintf(file, "# - previous author:            %s\n",
7809             level.author);
7810     fprintf(file, "# - previous save date:         ");
7811
7812     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7813     {
7814       fprintf(file, "%04d-%02d-%02d\n",
7815               level.creation_date.year,
7816               level.creation_date.month,
7817               level.creation_date.day);
7818     }
7819     else
7820     {
7821       fprintf(file, "not recorded\n");
7822     }
7823
7824     fclose(file);
7825   }
7826
7827   if (level_nr > leveldir_current->last_level)
7828     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7829
7830   // else: allow the save even if annotation failed
7831
7832   // now... spray graffiti on the old level vital statistics
7833   // user can change these; just trying to set a good baseline
7834
7835   // don't truncate names for fear of making offensive or silly:
7836   // long-named original author only recorded in levelinfo.conf.
7837   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7838   if (!strEqual(level.author, leveldir_current->author))
7839   {
7840     setString(&mod_name, getStringCat3(leveldir_current->author,
7841                                        " after ", level.author));
7842
7843     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7844       setString(&mod_name,
7845                 getStringCat2(leveldir_current->author, " (ed.)"));
7846
7847     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7848       setString(&mod_name, leveldir_current->author);
7849
7850     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7851
7852     // less worried about truncation here
7853     setString(&mod_name, getStringCat2("Mod: ", level.name));
7854     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7855   }
7856 }
7857
7858 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7859                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7860 {
7861   int x, y;
7862
7863   for (x = 0; x < lev_fieldx; x++)
7864     for (y = 0; y < lev_fieldy; y++)
7865       dst[x][y] = src[x][y];
7866 }
7867
7868 static int setSelectboxValue(int selectbox_id, int new_value)
7869 {
7870   int new_index_value = 0;
7871   int i;
7872
7873   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7874     if (selectbox_info[selectbox_id].options[i].value == new_value)
7875       new_index_value = i;
7876
7877   *selectbox_info[selectbox_id].value =
7878     selectbox_info[selectbox_id].options[new_index_value].value;
7879
7880   return new_index_value;
7881 }
7882
7883 static void setSelectboxSpecialActionVariablesIfNeeded(void)
7884 {
7885   int i;
7886
7887   // change action mode and arg variables according to action type variable
7888   for (i = 0; action_arg_options[i].value != -1; i++)
7889   {
7890     if (action_arg_options[i].value == custom_element_change.action_type)
7891     {
7892       int mode = action_arg_options[i].mode;
7893
7894       // only change if corresponding selectbox has changed
7895       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7896           action_arg_modes[mode])
7897         custom_element_change.action_mode = -1;
7898
7899       // only change if corresponding selectbox has changed
7900       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7901           action_arg_options[i].options)
7902         custom_element_change.action_arg = -1;
7903
7904       break;
7905     }
7906   }
7907 }
7908
7909 static void setSelectboxSpecialActionOptions(void)
7910 {
7911   int i;
7912
7913   // change action mode and arg selectbox according to action type selectbox
7914   for (i = 0; action_arg_options[i].value != -1; i++)
7915   {
7916     if (action_arg_options[i].value == custom_element_change.action_type)
7917     {
7918       int mode = action_arg_options[i].mode;
7919
7920       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7921                                    action_arg_modes[mode]);
7922       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7923                                  custom_element_change.action_mode);
7924
7925       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7926                                    action_arg_options[i].options);
7927       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7928                                  custom_element_change.action_arg);
7929       break;
7930     }
7931   }
7932 }
7933
7934 static void copy_custom_element_settings(int element_from, int element_to)
7935 {
7936   struct ElementInfo *ei_from = &element_info[element_from];
7937   struct ElementInfo *ei_to = &element_info[element_to];
7938
7939   copyElementInfo(ei_from, ei_to);
7940 }
7941
7942 static void replace_custom_element_in_settings(int element_from,
7943                                                int element_to)
7944 {
7945   int i, j, x, y;
7946
7947   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7948   {
7949     struct ElementInfo *ei = &element_info[i];
7950
7951     for (y = 0; y < 3; y++)
7952       for (x = 0; x < 3; x++)
7953         if (ei->content.e[x][y] == element_from)
7954           ei->content.e[x][y] = element_to;
7955
7956     for (j = 0; j < ei->num_change_pages; j++)
7957     {
7958       struct ElementChangeInfo *change = &ei->change_page[j];
7959
7960       if (change->target_element == element_from)
7961         change->target_element = element_to;
7962
7963       if (change->initial_trigger_element == element_from)
7964         change->initial_trigger_element = element_to;
7965
7966       if (change->action_element == element_from)
7967         change->action_element = element_to;
7968
7969       for (y = 0; y < 3; y++)
7970         for (x = 0; x < 3; x++)
7971           if (change->target_content.e[x][y] == element_from)
7972             change->target_content.e[x][y] = element_to;
7973     }
7974
7975     if (ei->group != NULL)                              // group or internal
7976       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7977         if (ei->group->element[j] == element_from)
7978           ei->group->element[j] = element_to;
7979   }
7980 }
7981
7982 static void replace_custom_element_in_playfield(int element_from,
7983                                                 int element_to)
7984 {
7985   int x, y;
7986
7987   for (x = 0; x < lev_fieldx; x++)
7988     for (y = 0; y < lev_fieldy; y++)
7989       if (Tile[x][y] == element_from)
7990         Tile[x][y] = element_to;
7991 }
7992
7993 static boolean CopyCustomElement(int element_old, int element_new,
7994                                  int copy_mode)
7995 {
7996   int copy_mode_orig = copy_mode;
7997
7998   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7999   {
8000     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
8001                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8002     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8003   }
8004   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
8005   {
8006     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
8007                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8008     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8009
8010     level.changed = TRUE;
8011   }
8012   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
8013   {
8014     Request("Please choose custom element!", REQ_CONFIRM);
8015
8016     return FALSE;
8017   }
8018   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
8019   {
8020     Request("Please choose group element!", REQ_CONFIRM);
8021
8022     return FALSE;
8023   }
8024   else
8025   {
8026     level.changed = TRUE;
8027   }
8028
8029   // when modifying custom/group element, ask for copying level template
8030   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
8031   {
8032     if (!AskToCopyAndModifyLevelTemplate())
8033       return FALSE;
8034   }
8035
8036   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8037   {
8038     copy_custom_element_settings(element_new, element_old);
8039   }
8040   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8041   {
8042     copy_custom_element_settings(element_old, element_new);
8043   }
8044   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8045   {
8046     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8047     copy_custom_element_settings(element_new, element_old);
8048     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8049
8050     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8051     replace_custom_element_in_settings(element_new, element_old);
8052     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8053
8054     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8055     replace_custom_element_in_playfield(element_new, element_old);
8056     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8057   }
8058
8059   UpdateCustomElementGraphicGadgets();
8060   DrawPropertiesWindow();
8061
8062   return TRUE;
8063 }
8064
8065 static void CopyCustomElementPropertiesToEditor(int element)
8066 {
8067   int i;
8068   int current_change_page = element_info[element].current_change_page;
8069
8070   // dynamically (re)build selectbox for selecting change page
8071   for (i = 0; i < element_info[element].num_change_pages; i++)
8072   {
8073     sprintf(options_change_page_strings[i], "%d", i + 1);
8074
8075     options_change_page[i].value = i;
8076     options_change_page[i].text = options_change_page_strings[i];
8077   }
8078
8079   options_change_page[i].value = -1;
8080   options_change_page[i].text = NULL;
8081
8082   // needed here to initialize combined element properties
8083   InitElementPropertiesEngine(level.game_version);
8084
8085   element_info[element].change =
8086     &element_info[element].change_page[current_change_page];
8087
8088   custom_element = element_info[element];
8089   custom_element_change = *element_info[element].change;
8090
8091   // needed to initially set selectbox options for special action options
8092   setSelectboxSpecialActionOptions();
8093
8094   // needed to initially set selectbox value variables to reliable defaults
8095   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8096     setSelectboxValue(i, *selectbox_info[i].value);
8097
8098   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8099     custom_element_properties[i] = HAS_PROPERTY(element, i);
8100
8101   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8102     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8103
8104   // ---------- element settings: configure (custom elements) -----------------
8105
8106   // set accessible layer selectbox help value
8107   custom_element.access_type =
8108     (IS_WALKABLE(element) ? EP_WALKABLE :
8109      IS_PASSABLE(element) ? EP_PASSABLE :
8110      custom_element.access_type);
8111   custom_element.access_layer =
8112     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8113      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8114      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8115      custom_element.access_layer);
8116   custom_element.access_protected =
8117     (IS_PROTECTED(element) ? 1 : 0);
8118   custom_element_properties[EP_ACCESSIBLE] =
8119     (IS_ACCESSIBLE_OVER(element) ||
8120      IS_ACCESSIBLE_INSIDE(element) ||
8121      IS_ACCESSIBLE_UNDER(element));
8122
8123   // set walk-to-object action selectbox help value
8124   custom_element.walk_to_action =
8125     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8126      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8127      IS_DROPPABLE(element) ? EP_DROPPABLE :
8128      IS_THROWABLE(element) ? EP_THROWABLE :
8129      IS_PUSHABLE(element) ? EP_PUSHABLE :
8130      custom_element.walk_to_action);
8131   custom_element_properties[EP_WALK_TO_OBJECT] =
8132     (IS_DIGGABLE(element) ||
8133      IS_COLLECTIBLE_ONLY(element) ||
8134      IS_DROPPABLE(element) ||
8135      IS_THROWABLE(element) ||
8136      IS_PUSHABLE(element));
8137
8138   // set smash targets selectbox help value
8139   custom_element.smash_targets =
8140     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8141      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8142      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8143      custom_element.smash_targets);
8144   custom_element_properties[EP_CAN_SMASH] =
8145     (CAN_SMASH_EVERYTHING(element) ||
8146      CAN_SMASH_ENEMIES(element) ||
8147      CAN_SMASH_PLAYER(element));
8148
8149   // set deadliness selectbox help value
8150   custom_element.deadliness =
8151     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8152      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8153      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8154      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8155      custom_element.deadliness);
8156   custom_element_properties[EP_DEADLY] =
8157     (DONT_TOUCH(element) ||
8158      DONT_GET_HIT_BY(element) ||
8159      DONT_COLLIDE_WITH(element) ||
8160      DONT_RUN_INTO(element));
8161
8162   // ---------- element settings: advanced (custom elements) ------------------
8163
8164   // set "change by direct action" selectbox help value
8165   custom_element_change.direct_action =
8166     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8167      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8168      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8169      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8170      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8171      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8172      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8173      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8174      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8175      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8176      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8177      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8178      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8179      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8180      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8181      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8182      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8183      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8184      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
8185      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
8186      custom_element_change.direct_action);
8187
8188   // set "change by other element action" selectbox help value
8189   custom_element_change.other_action =
8190     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8191      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8192      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8193      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8194      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8195      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8196      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8197      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8198      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8199      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8200      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8201      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8202      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8203      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8204      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8205      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8206      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8207      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8208      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8209      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8210      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8211      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8212      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8213      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
8214      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
8215      custom_element_change.other_action);
8216 }
8217
8218 static void CopyGroupElementPropertiesToEditor(int element)
8219 {
8220   group_element_info = *element_info[element].group;
8221   custom_element = element_info[element];       // needed for description
8222 }
8223
8224 static void CopyClassicElementPropertiesToEditor(int element)
8225 {
8226   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8227     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8228       getMoveIntoAcidProperty(&level, element);
8229
8230   if (MAYBE_DONT_COLLIDE_WITH(element))
8231     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8232       getDontCollideWithProperty(&level, element);
8233 }
8234
8235 static void CopyElementPropertiesToEditor(int element)
8236 {
8237   if (IS_CUSTOM_ELEMENT(element))
8238     CopyCustomElementPropertiesToEditor(element);
8239   else if (IS_GROUP_ELEMENT(element))
8240     CopyGroupElementPropertiesToEditor(element);
8241   else
8242     CopyClassicElementPropertiesToEditor(element);
8243 }
8244
8245 static boolean AskToCopyAndModifyLevelTemplate(void)
8246 {
8247   if (Request("Copy and modify settings from level template?", REQ_ASK))
8248   {
8249     level.use_custom_template = FALSE;
8250
8251     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8252                  GDI_CHECKED, FALSE, GDI_END);
8253     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8254                  GDI_CHECKED, FALSE, GDI_END);
8255
8256     return TRUE;
8257   }
8258   else
8259   {
8260     LoadLevelTemplate(-1);      // this resets all element modifications ...
8261
8262     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8263
8264     return FALSE;
8265   }
8266 }
8267
8268 static void CopyCustomElementPropertiesToGame(int element)
8269 {
8270   int i;
8271   int access_type_and_layer;
8272
8273   // mark that this custom element has been modified
8274   custom_element.modified_settings = TRUE;
8275   level.changed = TRUE;
8276
8277   if (level.use_custom_template)
8278     AskToCopyAndModifyLevelTemplate();
8279
8280   element_info[element] = custom_element;
8281   *element_info[element].change = custom_element_change;
8282
8283   // ---------- element settings: configure (custom elements) -----------------
8284
8285   // set accessible property from checkbox and selectbox
8286   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8287   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8288   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8289   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8290   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8291   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8292   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8293                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8294                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8295   custom_element_properties[access_type_and_layer] =
8296     custom_element_properties[EP_ACCESSIBLE];
8297   custom_element_properties[EP_PROTECTED] =
8298     (custom_element.access_protected != 0 &&
8299      custom_element_properties[EP_ACCESSIBLE]);
8300
8301   // set walk-to-object property from checkbox and selectbox
8302   custom_element_properties[EP_DIGGABLE] = FALSE;
8303   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8304   custom_element_properties[EP_DROPPABLE] = FALSE;
8305   custom_element_properties[EP_THROWABLE] = FALSE;
8306   custom_element_properties[EP_PUSHABLE] = FALSE;
8307   custom_element_properties[custom_element.walk_to_action] =
8308     custom_element_properties[EP_WALK_TO_OBJECT];
8309
8310   // set smash property from checkbox and selectbox
8311   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8312   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8313   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8314   custom_element_properties[custom_element.smash_targets] =
8315     custom_element_properties[EP_CAN_SMASH];
8316
8317   // set deadliness property from checkbox and selectbox
8318   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8319   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8320   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8321   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8322   custom_element_properties[custom_element.deadliness] =
8323     custom_element_properties[EP_DEADLY];
8324
8325   // ---------- element settings: advanced (custom elements) ------------------
8326
8327   // set player change event from checkbox and selectbox
8328   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8329   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8330   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8331   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8332   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8333   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8334   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8335   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8336   custom_element_change_events[CE_SWITCHED] = FALSE;
8337   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8338   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8339   custom_element_change_events[CE_BLOCKED] = FALSE;
8340   custom_element_change_events[CE_IMPACT] = FALSE;
8341   custom_element_change_events[CE_SMASHED] = FALSE;
8342   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8343   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8344   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8345   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8346   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
8347   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
8348   custom_element_change_events[custom_element_change.direct_action] =
8349     custom_element_change_events[CE_BY_DIRECT_ACTION];
8350
8351   // set other element action change event from checkbox and selectbox
8352   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8353   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8354   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8355   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8356   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8357   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8358   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8359   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8360   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8361   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8362   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8363   custom_element_change_events[CE_HITTING_X] = FALSE;
8364   custom_element_change_events[CE_DIGGING_X] = FALSE;
8365   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8366   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8367   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8368   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8369   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8370   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8371   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8372   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8373   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8374   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8375   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
8376   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
8377   custom_element_change_events[custom_element_change.other_action] =
8378     custom_element_change_events[CE_BY_OTHER_ACTION];
8379
8380   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8381     SET_PROPERTY(element, i, custom_element_properties[i]);
8382
8383   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8384     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8385
8386   // copy change events also to special level editor variable
8387   custom_element = element_info[element];
8388   custom_element_change = *element_info[element].change;
8389
8390   // needed here to restore runtime value "element_info[element].gfx_element"
8391   InitElementPropertiesGfxElement();
8392 }
8393
8394 static void CopyGroupElementPropertiesToGame(int element)
8395 {
8396   // mark that this group element has been modified
8397   custom_element.modified_settings = TRUE;
8398   level.changed = TRUE;
8399
8400   if (level.use_custom_template)
8401     AskToCopyAndModifyLevelTemplate();
8402
8403   element_info[element] = custom_element;
8404   *element_info[element].group = group_element_info;
8405
8406   // needed here to restore runtime value "element_info[element].gfx_element"
8407   InitElementPropertiesGfxElement();
8408 }
8409
8410 static void CopyClassicElementPropertiesToGame(int element)
8411 {
8412   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8413     setMoveIntoAcidProperty(&level, element,
8414                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8415
8416   if (MAYBE_DONT_COLLIDE_WITH(element))
8417     setDontCollideWithProperty(&level, element,
8418                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8419 }
8420
8421 static void CopyElementPropertiesToGame(int element)
8422 {
8423   if (IS_CUSTOM_ELEMENT(element))
8424     CopyCustomElementPropertiesToGame(element);
8425   else if (IS_GROUP_ELEMENT(element))
8426     CopyGroupElementPropertiesToGame(element);
8427   else
8428     CopyClassicElementPropertiesToGame(element);
8429 }
8430
8431 #if DEBUG
8432 static void CheckElementDescriptions(void)
8433 {
8434   int i;
8435
8436   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8437     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8438       Warn("no element description file for element '%s'", EL_NAME(i));
8439 }
8440 #endif
8441
8442 static int getMaxEdFieldX(boolean has_scrollbar)
8443 {
8444   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8445   int sxsize = SXSIZE - scrollbar_width;
8446   int max_ed_fieldx = sxsize / ed_tilesize;
8447
8448   return max_ed_fieldx;
8449 }
8450
8451 static int getMaxEdFieldY(boolean has_scrollbar)
8452 {
8453   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8454                          INFOTEXT_YSIZE_FULL : 0);
8455   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8456   int sysize = SYSIZE - scrollbar_height - infotext_height;
8457   int max_ed_fieldy = sysize / ed_tilesize;
8458
8459   return max_ed_fieldy;
8460 }
8461
8462 static void InitZoomLevelSettings(int zoom_tilesize)
8463 {
8464   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8465
8466   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8467   {
8468     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8469     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8470
8471     // make sure that tile size is always a power of 2
8472     ed_tilesize = (1 << log_2(ed_tilesize));
8473
8474     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8475     {
8476       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8477       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8478     }
8479   }
8480
8481   last_game_engine_type = level.game_engine_type;
8482
8483   // limit zoom tilesize by upper and lower bound
8484   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8485
8486   // store zoom tilesize in auto setup file only if it was manually changed
8487   if (zoom_tilesize != -1)
8488     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8489
8490   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8491   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8492 }
8493
8494 static void InitDrawingElements(void)
8495 {
8496   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8497
8498   if (level.game_engine_type == game_engine_type_last)
8499     return;
8500
8501   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8502   {
8503     new_element1 = EL_SP_CHIP_SINGLE;
8504     new_element2 = EL_EMPTY;
8505     new_element3 = EL_SP_BASE;
8506   }
8507   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8508   {
8509     new_element1 = EL_MM_MIRROR_START;
8510     new_element2 = EL_EMPTY;
8511     new_element3 = EL_MM_WOODEN_WALL;
8512   }
8513   else
8514   {
8515     new_element1 = EL_WALL;
8516     new_element2 = EL_EMPTY;
8517     new_element3 = EL_SAND;
8518   }
8519
8520   game_engine_type_last = level.game_engine_type;
8521 }
8522
8523 static void InitLevelSetInfo(void)
8524 {
8525   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8526            "%s", leveldir_current->name);
8527   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8528            "%s", leveldir_current->author);
8529
8530   levelset_num_levels = leveldir_current->levels;
8531
8532   levelset_use_levelset_artwork = FALSE;
8533   levelset_copy_level_template = FALSE;
8534
8535   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8536 }
8537
8538 static void ChangeEditorToLevelSet(char *levelset_subdir)
8539 {
8540   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8541
8542   // the previous level set might have used custom artwork
8543   ReloadCustomArtwork(0);
8544
8545   LoadLevelSetup_SeriesInfo();
8546
8547   SaveLevelSetup_LastSeries();
8548   SaveLevelSetup_SeriesInfo();
8549
8550   TapeErase();
8551
8552   LoadLevel(level_nr);
8553   LoadScore(level_nr);
8554
8555   DrawLevelEd();
8556 }
8557
8558 static boolean useEditorDoorAnimation(void)
8559 {
8560   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8561   boolean door_1_viewport_unchanged =
8562     (vp_door_1->x      == DX     &&
8563      vp_door_1->y      == DY     &&
8564      vp_door_1->width  == DXSIZE &&
8565      vp_door_1->height == DYSIZE);
8566   boolean door_1_contains_toolbox =
8567     (EX >= DX &&
8568      EY >= DY &&
8569      EX + EXSIZE <= DX + DXSIZE &&
8570      EY + EYSIZE <= DY + DYSIZE);
8571
8572   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8573 }
8574
8575 static void DrawEditorDoorBackground(int graphic, int x, int y,
8576                                      int width, int height)
8577 {
8578   struct GraphicInfo *g = &graphic_info[graphic];
8579
8580   if (g->bitmap != NULL)
8581     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
8582                MIN(width, g->width), MIN(height, g->height), x, y);
8583   else
8584     ClearRectangle(drawto, x, y, width, height);
8585 }
8586
8587 static void DrawEditorDoorContent(void)
8588 {
8589   // needed for gadgets drawn on background (like palette scrollbar)
8590   SetDoorBackgroundImage(IMG_UNDEFINED);
8591
8592   // copy default editor door content to main double buffer
8593   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
8594
8595   // draw bigger door
8596   DrawSpecialEditorDoor();
8597
8598   // draw new control window
8599   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
8600
8601   // draw all toolbox gadgets to editor doors
8602   MapControlButtons();
8603
8604   // draw all palette gadgets to editor doors
8605   ModifyEditorElementList();
8606   RedrawDrawingElements();
8607
8608   // copy actual editor door content to door double buffer for OpenDoor()
8609   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8610 }
8611
8612 void DrawLevelEd(void)
8613 {
8614   int fade_mask = REDRAW_FIELD;
8615
8616   FadeSoundsAndMusic();
8617
8618   if (CheckFadeAll())
8619     fade_mask = REDRAW_ALL;
8620
8621   FadeOut(fade_mask);
8622
8623   // needed if different viewport properties defined for editor
8624   ChangeViewportPropertiesIfNeeded();
8625
8626   ClearField();
8627
8628   InitZoomLevelSettings(-1);
8629   InitDrawingElements();
8630   InitLevelSetInfo();
8631
8632 #if DEBUG
8633   CheckElementDescriptions();
8634 #endif
8635
8636   if (level_editor_test_game)
8637   {
8638     CopyPlayfield(level.field, Tile);
8639     CopyPlayfield(TileBackup, level.field);
8640
8641     level_editor_test_game = FALSE;
8642   }
8643   else
8644   {
8645     edit_mode = ED_MODE_DRAWING;
8646     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8647     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8648
8649     ResetUndoBuffer();
8650
8651     level_xpos = -1;
8652     level_ypos = -1;
8653   }
8654
8655   // redraw_mask |= REDRAW_ALL;
8656
8657   FreeLevelEditorGadgets();
8658   CreateLevelEditorGadgets();
8659
8660   ReinitializeElementList();            // update dynamic level element list
8661   ReinitializeElementListButtons();     // custom element may look different
8662
8663   InitElementPropertiesGfxElement();
8664
8665   UnmapAllGadgets();
8666
8667   DrawEditModeWindow_PlayfieldOnly();
8668
8669   DrawMaskedBorder(fade_mask);
8670
8671   // use door animation if door 1 viewport is unchanged and contains toolbox
8672   if (useEditorDoorAnimation())
8673   {
8674     FadeIn(fade_mask);
8675
8676     DrawEditorDoorContent();
8677
8678     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8679   }
8680   else
8681   {
8682     DrawEditorDoorContent();
8683
8684     FadeIn(fade_mask);
8685   }
8686
8687   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8688 }
8689
8690 static void AdjustDrawingAreaGadgets(void)
8691 {
8692   int ed_xsize = lev_fieldx + 2;
8693   int ed_ysize = lev_fieldy + 2;
8694   int max_ed_fieldx = MAX_ED_FIELDX;
8695   int max_ed_fieldy = MAX_ED_FIELDY;
8696   boolean horizontal_scrollbar_needed;
8697   boolean vertical_scrollbar_needed;
8698   int x, y, width, height;
8699
8700   if (suppressBorderElement())
8701   {
8702     ed_xsize = max_ed_fieldx;
8703     ed_ysize = max_ed_fieldy;
8704   }
8705
8706   // check if we need any scrollbars
8707   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8708   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8709
8710   // check if we have a smaller editor field because of scrollbars
8711   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8712   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8713
8714   // check again if we now need more scrollbars because of less space
8715   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8716   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8717
8718   // check if editor field gets even smaller after adding new scrollbars
8719   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8720   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8721
8722   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8723   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8724
8725   x = SX + ed_fieldx * ed_tilesize;
8726   y = SY + ed_fieldy * ed_tilesize;
8727
8728   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8729   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8730
8731   // adjust drawing area gadget
8732   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8733                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8734                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8735                GDI_END);
8736
8737   // adjust horizontal scrollbar gadgets
8738   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8739                GDI_Y, y,
8740                GDI_END);
8741   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8742                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8743                GDI_Y, y,
8744                GDI_END);
8745   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8746                GDI_Y, y,
8747                GDI_WIDTH, width,
8748                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8749                GDI_END);
8750
8751   // adjust vertical scrollbar gadgets
8752   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8753                GDI_X, x,
8754                GDI_END);
8755   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8756                GDI_X, x,
8757                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8758                GDI_END);
8759   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8760                GDI_X, x,
8761                GDI_HEIGHT, height,
8762                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8763                GDI_END);
8764 }
8765
8766 static void AdjustLevelScrollPosition(void)
8767 {
8768   if (level_xpos < -1)
8769     level_xpos = -1;
8770   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8771     level_xpos = lev_fieldx - ed_fieldx + 1;
8772   if (lev_fieldx < ed_fieldx - 2)
8773     level_xpos = -1;
8774
8775   if (level_ypos < -1)
8776     level_ypos = -1;
8777   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8778     level_ypos = lev_fieldy - ed_fieldy + 1;
8779   if (lev_fieldy < ed_fieldy - 2)
8780     level_ypos = -1;
8781
8782   if (suppressBorderElement())
8783   {
8784     level_xpos = 0;
8785     level_ypos = 0;
8786   }
8787 }
8788
8789 static void AdjustEditorScrollbar(int id)
8790 {
8791   struct GadgetInfo *gi = level_editor_gadget[id];
8792   int items_max, items_visible, item_position;
8793
8794   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8795   {
8796     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8797     items_visible = ed_fieldx;
8798     item_position = level_xpos + 1;
8799   }
8800   else
8801   {
8802     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8803     items_visible = ed_fieldy;
8804     item_position = level_ypos + 1;
8805   }
8806
8807   if (item_position > items_max - items_visible)
8808     item_position = items_max - items_visible;
8809
8810   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8811                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8812 }
8813
8814 static void AdjustElementListScrollbar(void)
8815 {
8816   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8817   int items_max, items_visible, item_position;
8818
8819   // correct position of element list scrollbar
8820   if (element_shift < 0)
8821     element_shift = 0;
8822   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8823     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8824
8825   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8826   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8827   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8828
8829   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8830                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8831                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8832 }
8833
8834 static void ModifyEditorCounterValue(int counter_id, int new_value)
8835 {
8836   int *counter_value = counterbutton_info[counter_id].value;
8837   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8838   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8839
8840   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8841
8842   if (counter_value != NULL)
8843     *counter_value = gi->textinput.number_value;
8844 }
8845
8846 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8847 {
8848   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8849   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8850
8851   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8852
8853   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8854       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8855   {
8856     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8857     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8858
8859     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8860     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8861                  GDI_END);
8862   }
8863 }
8864
8865 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8866 {
8867   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8868   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8869   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8870
8871   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8872 }
8873
8874 static void ModifyEditorSelectboxOptions(int selectbox_id,
8875                                          struct ValueTextInfo *options)
8876 {
8877   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8878   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8879
8880   selectbox_info[selectbox_id].options = options;
8881
8882   // set index to zero -- list may be shorter now (correct later, if needed)
8883   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8884                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8885 }
8886
8887 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8888 {
8889   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8890   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8891
8892   drawingarea_info[drawingarea_id].area_xsize = xsize;
8893   drawingarea_info[drawingarea_id].area_ysize = ysize;
8894
8895   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8896 }
8897
8898 static void ModifyEditorElementList(void)
8899 {
8900   int i;
8901
8902   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8903     return;
8904
8905   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8906   {
8907     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8908     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8909     struct GadgetDesign *gd = &gi->deco.design;
8910     int element = editor_elements[element_shift + i];
8911     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8912
8913     UnmapGadget(gi);
8914
8915     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8916
8917     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8918
8919     MapGadget(gi);
8920   }
8921 }
8922
8923 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8924 {
8925   int graphic = el2edimg(element);
8926   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8927
8928   if (pos->x == -1 &&
8929       pos->y == -1)
8930     return;
8931
8932   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8933 }
8934
8935 static void ModifyDrawingElementButton(int element, int id)
8936 {
8937   struct GadgetInfo *gi = level_editor_gadget[id];
8938   Bitmap *deco_bitmap;
8939   int deco_x, deco_y;
8940   int tile_size = gi->deco.width;
8941
8942   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8943
8944   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8945 }
8946
8947 static void PickDrawingElement(int button, int element)
8948 {
8949   struct
8950   {
8951     int *new_element;
8952     struct XYTileSize *pos;
8953     int id;
8954   } de, drawing_elements[] =
8955   {
8956     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8957     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8958     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8959   };
8960
8961   if (button < 1 || button > 3)
8962     return;
8963
8964   if (IS_MM_WALL(element))
8965     element = map_mm_wall_element(element);
8966
8967   de = drawing_elements[button - 1];
8968
8969   *de.new_element = element;    // update global drawing element variable
8970
8971   DrawDrawingElementGraphic(element, de.pos);
8972   ModifyDrawingElementButton(element, de.id);
8973
8974   redraw_mask |= REDRAW_DOOR_1;
8975 }
8976
8977 static void RedrawDrawingElements(void)
8978 {
8979   PickDrawingElement(1, new_element1);
8980   PickDrawingElement(2, new_element2);
8981   PickDrawingElement(3, new_element3);
8982 }
8983
8984 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
8985 {
8986   stick_element_properties_window = FALSE;
8987
8988   SetMainBackgroundImage(IMG_UNDEFINED);
8989   ClearField();
8990
8991   UnmapLevelEditorFieldGadgets();
8992
8993   AdjustDrawingAreaGadgets();
8994   AdjustLevelScrollPosition();
8995   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8996   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8997
8998   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8999
9000   MapMainDrawingArea();
9001
9002   if (remap_toolbox_gadgets)
9003   {
9004     UnmapLevelEditorToolboxCustomGadgets();
9005     MapLevelEditorToolboxDrawingGadgets();
9006   }
9007 }
9008
9009 static void DrawDrawingWindow(void)
9010 {
9011   DrawDrawingWindowExt(TRUE);
9012 }
9013
9014 static int getTabulatorBarWidth(void)
9015 {
9016   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9017   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
9018
9019   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
9020 }
9021
9022 static int getTabulatorBarHeight(void)
9023 {
9024   return ED_TAB_BAR_HEIGHT;
9025 }
9026
9027 static Pixel getTabulatorBarColor(void)
9028 {
9029   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9030   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9031   int gd_x = gd->x + gd_gi1->border.width / 2;
9032   int gd_y = gd->y + gd_gi1->height - 1;
9033
9034   return GetPixel(gd->bitmap, gd_x, gd_y);
9035 }
9036
9037 static void DrawLevelInfoTabulatorGadgets(void)
9038 {
9039   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9040   Pixel tab_color = getTabulatorBarColor();
9041   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
9042   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
9043   int i;
9044
9045   for (i = id_first; i <= id_last; i++)
9046   {
9047     int gadget_id = textbutton_info[i].gadget_id;
9048     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9049     boolean active = (i != edit_mode_levelinfo);
9050
9051     // draw background line below tabulator button
9052     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9053
9054     // draw solid line below inactive tabulator buttons
9055     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9056       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9057                     ED_GADGET_TINY_DISTANCE, tab_color);
9058
9059     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9060     MapTextbuttonGadget(i);
9061   }
9062
9063   // draw little border line below tabulator buttons
9064   if (tab_color != BLACK_PIXEL)                 // black => transparent
9065     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9066                   ED_GADGET_TINY_DISTANCE,
9067                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9068 }
9069
9070 static void DrawPropertiesTabulatorGadgets(void)
9071 {
9072   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9073   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9074   int gd_x = gd->x + gd_gi1->border.width / 2;
9075   int gd_y = gd->y + gd_gi1->height - 1;
9076   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9077   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9078   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9079   int i;
9080
9081   // draw two config tabulators for player elements
9082   if (ELEM_IS_PLAYER(properties_element))
9083     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9084
9085   // draw two config and one "change" tabulator for custom elements
9086   if (IS_CUSTOM_ELEMENT(properties_element))
9087     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9088
9089   for (i = id_first; i <= id_last; i++)
9090   {
9091     int gadget_id = textbutton_info[i].gadget_id;
9092     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9093     boolean active = (i != edit_mode_properties);
9094
9095     // use "config 1" and "config 2" instead of "config" for players and CEs
9096     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9097         (ELEM_IS_PLAYER(properties_element) ||
9098          IS_CUSTOM_ELEMENT(properties_element)))
9099       continue;
9100
9101     // draw background line below tabulator button
9102     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9103
9104     // draw solid line below inactive tabulator buttons
9105     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9106       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9107                     ED_GADGET_TINY_DISTANCE, tab_color);
9108
9109     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9110     MapTextbuttonGadget(i);
9111   }
9112
9113   // draw little border line below tabulator buttons
9114   if (tab_color != BLACK_PIXEL)                 // black => transparent
9115     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9116                   ED_GADGET_TINY_DISTANCE,
9117                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9118 }
9119
9120 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9121 {
9122   DrawText(SX + xpos, SY + ypos, text, font_nr);
9123 }
9124
9125 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9126                                            int xpos, int ypos)
9127 {
9128   int font_width = getFontWidth(font_nr);
9129   int font_height = getFontHeight(font_nr);
9130   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9131   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9132
9133   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9134                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9135                       TRUE, FALSE, FALSE);
9136 }
9137
9138 static void DrawLevelInfoLevel(void)
9139 {
9140   int i;
9141
9142   // draw counter gadgets
9143   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9144     MapCounterButtons(i);
9145
9146   // draw checkbutton gadgets
9147   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9148     MapCheckbuttonGadget(i);
9149
9150   // draw selectbox gadgets
9151   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9152     MapSelectboxGadget(i);
9153
9154   // draw text input gadgets
9155   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9156     MapTextInputGadget(i);
9157 }
9158
9159 static char *getLevelSubdirFromSaveMode(int save_mode)
9160 {
9161   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9162     return getNewUserLevelSubdir();
9163
9164   return leveldir_current->subdir;
9165 }
9166
9167 static void DrawLevelInfoLevelSet_DirectoryInfo(void)
9168 {
9169   char *directory_text = "Level set directory:";
9170   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9171   int font1_nr = FONT_TEXT_1;
9172   int font2_nr = FONT_TEXT_2;
9173   int font1_height = getFontHeight(font1_nr);
9174   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9175   int x = ED_LEVEL_SETTINGS_X(0);
9176   int y = ED_LEVEL_SETTINGS_Y(6);
9177
9178   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9179   PrintInfoText(directory_name, font2_nr, x, y);
9180 }
9181
9182 static void DrawLevelInfoLevelSet(void)
9183 {
9184   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9185   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9186   int i;
9187
9188   // draw counter gadgets
9189   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9190     MapCounterButtons(i);
9191
9192   // draw checkbutton gadgets
9193   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9194   {
9195     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9196         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9197         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9198       continue;
9199
9200     MapCheckbuttonGadget(i);
9201   }
9202
9203   // draw selectbox gadgets
9204   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9205     MapSelectboxGadget(i);
9206
9207   // draw text input gadgets
9208   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9209     MapTextInputGadget(i);
9210
9211   // draw textbutton gadgets
9212   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9213
9214   // draw info text
9215   DrawLevelInfoLevelSet_DirectoryInfo();
9216 }
9217
9218 static void DrawLevelInfoEditor(void)
9219 {
9220   int i;
9221
9222   // draw counter gadgets
9223   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9224     MapCounterButtons(i);
9225
9226   // draw checkbutton gadgets
9227   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9228     MapCheckbuttonGadget(i);
9229
9230   // draw radiobutton gadgets
9231   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9232     MapRadiobuttonGadget(i);
9233
9234   // draw drawing area
9235   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9236
9237   // draw textbutton gadgets
9238   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9239 }
9240
9241 static void DrawLevelInfoWindow(void)
9242 {
9243   char *text = "Global Settings";
9244   int font_nr = FONT_TITLE_1;
9245   struct MenuPosInfo *pos = &editor.settings.headline;
9246   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9247   int sy = SY + pos->y;
9248
9249   stick_element_properties_window = FALSE;
9250
9251   SetAutomaticNumberOfGemsNeeded();
9252
9253   UnmapLevelEditorFieldGadgets();
9254
9255   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9256   ClearField();
9257
9258   DrawText(sx, sy, text, font_nr);
9259
9260   DrawLevelInfoTabulatorGadgets();
9261
9262   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9263     DrawLevelInfoLevel();
9264   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9265     DrawLevelInfoLevelSet();
9266   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9267     DrawLevelInfoEditor();
9268 }
9269
9270 static void DrawCustomContentArea(void)
9271 {
9272   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9273   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9274   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9275   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9276   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9277   int xoffset = ED_GADGET_SPACE_DISTANCE;
9278
9279   // add distance for potential left text (without drawing area border)
9280   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9281
9282   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9283
9284   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9285 }
9286
9287 static void DrawCustomChangeContentArea(void)
9288 {
9289   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9290   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9291   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9292   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9293   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9294   int xoffset = ED_GADGET_SPACE_DISTANCE;
9295
9296   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9297
9298   MapDrawingArea(id);
9299 }
9300
9301 static void RemoveElementContentArea(int id, int font_height)
9302 {
9303   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9304
9305   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9306                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9307                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9308                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9309                  ED_GADGET_TEXT_DISTANCE + font_height);
9310 }
9311
9312 static void DrawYamYamContentAreas(void)
9313 {
9314   int font_nr = FONT_TEXT_1;
9315   int font_height = getFontHeight(font_nr);
9316   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9317   int yoffset = (tilesize - font_height) / 2;
9318   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9319   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9320   int i;
9321
9322   // display counter to choose number of element content areas
9323   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9324
9325   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9326   {
9327     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9328
9329     if (i < level.num_yamyam_contents)
9330     {
9331       MapDrawingArea(id);
9332     }
9333     else
9334     {
9335       UnmapDrawingArea(id);
9336
9337       // delete content areas in case of reducing number of them
9338       RemoveElementContentArea(id, font_height);
9339     }
9340   }
9341
9342   DrawText(x, y + 0 * tilesize, "content", font_nr);
9343   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9344   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9345 }
9346
9347 static void DrawMagicBallContentAreas(void)
9348 {
9349   int font_nr = FONT_TEXT_1;
9350   int font_height = getFontHeight(font_nr);
9351   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9352   int yoffset = (tilesize - font_height) / 2;
9353   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9354   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9355   int i;
9356
9357   // display counter to choose number of element content areas
9358   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9359
9360   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9361   {
9362     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9363
9364     if (i < level.num_ball_contents)
9365     {
9366       MapDrawingArea(id);
9367     }
9368     else
9369     {
9370       UnmapDrawingArea(id);
9371
9372       // delete content areas in case of reducing number of them
9373       RemoveElementContentArea(id, font_height);
9374     }
9375   }
9376
9377   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9378   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9379   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9380 }
9381
9382 static void DrawAndroidElementArea(int element)
9383 {
9384   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9385   int num_elements = level.num_android_clone_elements;
9386   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9387   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9388   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9389   int xsize = MAX_ANDROID_ELEMENTS;
9390   int ysize = 1;
9391
9392   // display counter to choose number of element areas
9393   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9394
9395   if (drawingarea_info[id].text_left != NULL)
9396     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9397
9398   UnmapDrawingArea(id);
9399
9400   ModifyEditorDrawingArea(id, num_elements, 1);
9401
9402   // delete content areas in case of reducing number of them
9403   DrawBackground(sx, sy,
9404                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9405                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9406
9407   MapDrawingArea(id);
9408 }
9409
9410 static void DrawGroupElementArea(int element)
9411 {
9412   int id = ED_DRAWING_ID_GROUP_CONTENT;
9413   int num_elements = group_element_info.num_elements;
9414   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9415   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9416   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9417   int xsize = MAX_ELEMENTS_IN_GROUP;
9418   int ysize = 1;
9419
9420   if (drawingarea_info[id].text_left != NULL)
9421     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9422
9423   UnmapDrawingArea(id);
9424
9425   ModifyEditorDrawingArea(id, num_elements, 1);
9426
9427   // delete content areas in case of reducing number of them
9428   DrawBackground(sx, sy,
9429                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9430                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9431
9432   MapDrawingArea(id);
9433 }
9434
9435 static void DrawPlayerInitialInventoryArea(int element)
9436 {
9437   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9438   int player_nr = GET_PLAYER_NR(element);
9439   int num_elements = level.initial_inventory_size[player_nr];
9440   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9441   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9442   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9443   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9444   int ysize = 1;
9445
9446   // determine horizontal position to the right of specified gadget
9447   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9448     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9449           ED_DRAWINGAREA_TEXT_DISTANCE);
9450
9451   // determine horizontal offset for leading text
9452   if (drawingarea_info[id].text_left != NULL)
9453     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9454
9455   UnmapDrawingArea(id);
9456
9457   ModifyEditorDrawingArea(id, num_elements, 1);
9458
9459   // delete content areas in case of reducing number of them
9460   DrawBackground(sx, sy,
9461                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9462                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9463
9464   MapDrawingArea(id);
9465 }
9466
9467 static void DrawEnvelopeTextArea(int envelope_nr)
9468 {
9469   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9470   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9471
9472   UnmapGadget(gi);
9473   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9474
9475   if (envelope_nr != -1)
9476     textarea_info[id].value = level.envelope[envelope_nr].text;
9477
9478   ModifyGadget(gi, GDI_AREA_SIZE,
9479                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9480                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9481                GDI_END);
9482
9483   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9484 }
9485
9486 static void DrawPropertiesInfo(void)
9487 {
9488   static struct
9489   {
9490     int value;
9491     char *text;
9492   }
9493   properties[] =
9494   {
9495     // configurable properties
9496
9497     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9498     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9499     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9500     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9501     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9502     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9503     { EP_PROTECTED,             "- player is protected by it"           },
9504
9505     { EP_DIGGABLE,              "- can be digged away"                  },
9506     { EP_COLLECTIBLE,           "- can be collected"                    },
9507     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9508     { EP_THROWABLE,             "- can be thrown after collecting"      },
9509     { EP_PUSHABLE,              "- can be pushed"                       },
9510
9511     { EP_CAN_FALL,              "- can fall"                            },
9512     { EP_CAN_MOVE,              "- can move"                            },
9513
9514     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9515 #if 0
9516     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9517 #endif
9518     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9519
9520     { EP_SLIPPERY,              "- slippery for falling elements"       },
9521     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9522
9523     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9524     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9525     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9526     { EP_DONT_TOUCH,            "- deadly when touching"                },
9527
9528     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9529
9530     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9531     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9532     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9533
9534     { EP_CAN_CHANGE,            "- can change to other element"         },
9535
9536     // pre-defined properties
9537     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9538     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9539     { EP_SWITCHABLE,            "- can be switched"                     },
9540 #if 0
9541     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9542 #endif
9543
9544     { -1,                       NULL                                    }
9545   };
9546   char *filename = getElementDescriptionFilename(properties_element);
9547   char *percentage_text = "In this level: ";
9548   char *properties_text = "Standard properties: ";
9549   char *description_text = "Description:";
9550   char *no_description_text = "No description available.";
9551   char *none_text = "None";
9552   float percentage;
9553   int num_elements_in_level;
9554   int num_standard_properties = 0;
9555   int font1_nr = FONT_TEXT_1;
9556   int font2_nr = FONT_TEXT_2;
9557   int font1_width = getFontWidth(font1_nr);
9558   int font1_height = getFontHeight(font1_nr);
9559   int font2_height = getFontHeight(font2_nr);
9560   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9561   int font2_yoffset = (font1_height - font2_height) / 2;
9562   int percentage_text_len = strlen(percentage_text) * font1_width;
9563   int properties_text_len = strlen(properties_text) * font1_width;
9564   int xpos = ED_ELEMENT_SETTINGS_X(0);
9565   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9566   int i, x, y;
9567
9568   if (setup.editor.show_element_token)
9569   {
9570     int font3_nr = FONT_TEXT_3;
9571     int font3_height = getFontHeight(font3_nr);
9572
9573     DrawTextF(xpos, ypos, font3_nr,
9574               "[%s]", element_info[properties_element].token_name);
9575
9576     ypos += 2 * font3_height;
9577   }
9578
9579   // ----- print number of elements / percentage of this element in level
9580
9581   num_elements_in_level = 0;
9582   for (y = 0; y < lev_fieldy; y++)
9583     for (x = 0; x < lev_fieldx; x++)
9584       if (Tile[x][y] == properties_element)
9585         num_elements_in_level++;
9586   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9587
9588   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9589
9590   if (num_elements_in_level > 0)
9591     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9592               "%d (%.2f %%)", num_elements_in_level, percentage);
9593   else
9594     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9595               none_text);
9596
9597   ypos += 2 * MAX(font1_height, font2_height);
9598
9599   // ----- print standard properties of this element
9600
9601   DrawTextS(xpos, ypos, font1_nr, properties_text);
9602
9603   ypos += line1_height;
9604
9605   for (i = 0; properties[i].value != -1; i++)
9606   {
9607     if (!HAS_PROPERTY(properties_element, properties[i].value))
9608       continue;
9609
9610     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9611
9612     ypos += font2_height;
9613
9614     num_standard_properties++;
9615   }
9616
9617   if (num_standard_properties == 0)
9618   {
9619     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9620               font2_nr, none_text);
9621
9622     ypos -= (line1_height - font1_height);
9623   }
9624
9625   ypos += MAX(font1_height, font2_height);
9626
9627   // ----- print special description of this element
9628
9629   PrintInfoText(description_text, font1_nr, xpos, ypos);
9630
9631   ypos += line1_height;
9632
9633   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9634     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9635 }
9636
9637 #define TEXT_COLLECTING         "Score for collecting"
9638 #define TEXT_SMASHING           "Score for smashing"
9639 #define TEXT_SLURPING           "Score for slurping robot"
9640 #define TEXT_CRACKING           "Score for cracking"
9641 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9642 #define TEXT_DURATION           "Duration when activated"
9643 #define TEXT_DELAY_ON           "Delay before activating"
9644 #define TEXT_DELAY_OFF          "Delay before deactivating"
9645 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9646 #define TEXT_DELAY_MOVING       "Delay before moving"
9647 #define TEXT_BALL_DELAY         "Element generation delay"
9648 #define TEXT_MOVE_SPEED         "Speed of android moving"
9649 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9650 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9651 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9652 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9653 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9654 #define TEXT_TIME_BONUS         "Extra time to solve level"
9655
9656 static struct
9657 {
9658   int element;
9659   int *value;
9660   char *text;
9661 } elements_with_counter[] =
9662 {
9663   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9664   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9665   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9666   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9667   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9668   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9669   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9670   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9671   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9672   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9673   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9674   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9675   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9676   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9677   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9678   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9679   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9680   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9681   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9682   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9683   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9684   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9685   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9686   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9687   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9688   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9689   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9690   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9691   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9692   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9693   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9694   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9695   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9696   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9697   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9698   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9699   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9700   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9701   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9702   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9703   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9704   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9705   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9706   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9707   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9708   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9709   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9710   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9711   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9712   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9713   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9714   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9715   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9716   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9717   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9718   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9719   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9720   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9721   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9722   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9723   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9724   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9725   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9726   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9727   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9728   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9729   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9730   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9731   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9732   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9733   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9734   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9735   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9736   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9737   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9738   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9739   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9740   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9741   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9742   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9743   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9744   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9745   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9746
9747   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9748   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9749   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9750   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9751   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9752   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9753   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9754   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9755   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9756   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9757   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9758   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9759   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9760   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9761   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9762   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9763
9764   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9765   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9766   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9767   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9768   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9769   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9770   { EL_SPRING_LEFT,     &level.slurp_score,             TEXT_SLURPING   },
9771   { EL_SPRING_RIGHT,    &level.slurp_score,             TEXT_SLURPING   },
9772   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9773   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9774   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9775   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9776   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9777   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9778   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9779
9780   { -1,                 NULL,                           NULL            }
9781 };
9782
9783 static boolean checkPropertiesConfig(int element)
9784 {
9785   int i;
9786
9787   if (IS_GEM(element) ||
9788       IS_CUSTOM_ELEMENT(element) ||
9789       IS_GROUP_ELEMENT(element) ||
9790       IS_BALLOON_ELEMENT(element) ||
9791       IS_ENVELOPE(element) ||
9792       IS_MM_MCDUFFIN(element) ||
9793       IS_DF_LASER(element) ||
9794       ELEM_IS_PLAYER(element) ||
9795       HAS_EDITOR_CONTENT(element) ||
9796       CAN_GROW(element) ||
9797       COULD_MOVE_INTO_ACID(element) ||
9798       MAYBE_DONT_COLLIDE_WITH(element) ||
9799       element == EL_SOKOBAN_OBJECT ||
9800       element == EL_SOKOBAN_FIELD_EMPTY ||
9801       element == EL_SOKOBAN_FIELD_FULL)
9802     return TRUE;
9803   else
9804     for (i = 0; elements_with_counter[i].element != -1; i++)
9805       if (elements_with_counter[i].element == element)
9806         return TRUE;
9807
9808   return FALSE;
9809 }
9810
9811 static void SetAutomaticNumberOfGemsNeeded(void)
9812 {
9813   int x, y;
9814
9815   if (!level.auto_count_gems)
9816     return;
9817
9818   level.gems_needed = 0;
9819
9820   for (x = 0; x < lev_fieldx; x++)
9821   {
9822     for (y = 0; y < lev_fieldy; y++)
9823     {
9824       int element = Tile[x][y];
9825
9826       switch (element)
9827       {
9828         case EL_EMERALD:
9829         case EL_EMERALD_YELLOW:
9830         case EL_EMERALD_RED:
9831         case EL_EMERALD_PURPLE:
9832         case EL_BD_DIAMOND:
9833         case EL_WALL_EMERALD:
9834         case EL_WALL_EMERALD_YELLOW:
9835         case EL_WALL_EMERALD_RED:
9836         case EL_WALL_EMERALD_PURPLE:
9837         case EL_WALL_BD_DIAMOND:
9838         case EL_NUT:
9839         case EL_SP_INFOTRON:
9840         case EL_MM_KETTLE:
9841         case EL_DF_CELL:
9842           level.gems_needed++;
9843           break;
9844
9845         case EL_DIAMOND:
9846         case EL_WALL_DIAMOND:
9847           level.gems_needed += 3;
9848           break;
9849
9850         case EL_PEARL:
9851         case EL_WALL_PEARL:
9852           level.gems_needed += 5;
9853           break;
9854
9855         case EL_CRYSTAL:
9856         case EL_WALL_CRYSTAL:
9857           level.gems_needed += 8;
9858           break;
9859
9860         default:
9861           break;
9862       }
9863     }
9864   }
9865
9866   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9867 }
9868
9869 static void DrawPropertiesConfig(void)
9870 {
9871   boolean draw_footer_line = FALSE;
9872   int max_num_element_counters = 4;
9873   int num_element_counters = 0;
9874   int i;
9875
9876   if (!checkPropertiesConfig(properties_element))
9877   {
9878     int xpos = ED_ELEMENT_SETTINGS_X(0);
9879     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9880
9881     PrintInfoText("No configuration options available.",
9882                   FONT_TEXT_1, xpos, ypos);
9883
9884     return;
9885   }
9886
9887   // check if there are elements where a value can be chosen for
9888   for (i = 0; elements_with_counter[i].element != -1; i++)
9889   {
9890     if (elements_with_counter[i].element == properties_element)
9891     {
9892       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9893
9894       counterbutton_info[counter_id].y =
9895         ED_ELEMENT_SETTINGS_YPOS(
9896                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9897                 (CAN_GROW(properties_element)                ? 1 : 0) +
9898                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9899                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9900                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9901                 num_element_counters);
9902
9903       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9904       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9905
9906       if (properties_element == EL_GAME_OF_LIFE ||
9907           properties_element == EL_BIOMAZE)
9908       {
9909         counterbutton_info[counter_id].min_value = 0;   // min neighbours
9910         counterbutton_info[counter_id].max_value = 8;   // max neighbours
9911       }
9912       else
9913       {
9914         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
9915         counterbutton_info[counter_id].min_value = MIN_SCORE;
9916         counterbutton_info[counter_id].max_value = MAX_SCORE;
9917       }
9918
9919       MapCounterButtons(counter_id);
9920
9921       num_element_counters++;
9922       if (num_element_counters >= max_num_element_counters)
9923         break;
9924     }
9925   }
9926
9927   if (HAS_EDITOR_CONTENT(properties_element))
9928   {
9929     // draw stickybutton gadget
9930     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9931
9932     if (IS_AMOEBOID(properties_element))
9933       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9934     else if (properties_element == EL_YAMYAM ||
9935              properties_element == EL_YAMYAM_LEFT ||
9936              properties_element == EL_YAMYAM_RIGHT ||
9937              properties_element == EL_YAMYAM_UP ||
9938              properties_element == EL_YAMYAM_DOWN)
9939       DrawYamYamContentAreas();
9940     else if (properties_element == EL_EMC_MAGIC_BALL)
9941     {
9942       DrawMagicBallContentAreas();
9943
9944       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9945       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
9946     }
9947     else if (properties_element == EL_EMC_ANDROID)
9948       DrawAndroidElementArea(properties_element);
9949   }
9950
9951   if (ELEM_IS_PLAYER(properties_element))
9952   {
9953     int player_nr = GET_PLAYER_NR(properties_element);
9954
9955     // these properties can be set for every player individually
9956
9957     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9958     {
9959       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9960         &level.start_element[player_nr];
9961       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9962         &level.artwork_element[player_nr];
9963       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9964         &level.explosion_element[player_nr];
9965
9966       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9967         &level.use_start_element[player_nr];
9968       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9969         &level.use_artwork_element[player_nr];
9970       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9971         &level.use_explosion_element[player_nr];
9972       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9973         &level.initial_player_gravity[player_nr];
9974
9975       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9976         &level.initial_player_stepsize[player_nr];
9977
9978       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9979       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9980                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9981                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9982       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9983       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9984       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9985       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9986       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9987       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9988       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9989       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9990       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9991       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9992       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
9993
9994       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9995       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9996       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9997
9998       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9999     }
10000     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10001     {
10002       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
10003         &level.initial_inventory_content[player_nr][0];
10004
10005       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
10006         &level.initial_inventory_size[player_nr];
10007
10008       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
10009         &level.use_initial_inventory[player_nr];
10010
10011       // draw checkbutton gadgets
10012       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
10013       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
10014
10015       // draw counter gadgets
10016       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
10017
10018       // draw drawing area gadgets
10019       DrawPlayerInitialInventoryArea(properties_element);
10020     }
10021   }
10022
10023   if (IS_GEM(properties_element))
10024     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
10025
10026   if (properties_element == EL_EM_DYNAMITE)
10027     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
10028
10029   if (COULD_MOVE_INTO_ACID(properties_element) &&
10030       !ELEM_IS_PLAYER(properties_element) &&
10031       (!IS_CUSTOM_ELEMENT(properties_element) ||
10032        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
10033   {
10034     // set position for checkbutton for "can move into acid"
10035     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
10036       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
10037     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
10038       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
10039                                IS_BALLOON_ELEMENT(properties_element) ||
10040                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10041
10042     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
10043   }
10044
10045   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
10046     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
10047
10048   if (properties_element == EL_SPRING ||
10049       properties_element == EL_SPRING_LEFT ||
10050       properties_element == EL_SPRING_RIGHT)
10051     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
10052
10053   if (properties_element == EL_TIME_ORB_FULL)
10054     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
10055
10056   if (properties_element == EL_GAME_OF_LIFE ||
10057       properties_element == EL_BIOMAZE)
10058     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
10059
10060   if (CAN_GROW(properties_element))
10061   {
10062     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
10063       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10064
10065     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
10066   }
10067
10068   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
10069     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
10070
10071   if (properties_element == EL_SOKOBAN_OBJECT)
10072     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
10073
10074   if (properties_element == EL_SOKOBAN_OBJECT ||
10075       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
10076       properties_element == EL_SOKOBAN_FIELD_FULL)
10077   {
10078     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
10079       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
10080                                0 : 1);
10081
10082     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
10083   }
10084
10085   if (IS_BALLOON_ELEMENT(properties_element))
10086     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
10087
10088   if (IS_ENVELOPE(properties_element))
10089   {
10090     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
10091     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
10092     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
10093     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
10094     int envelope_nr = properties_element - EL_ENVELOPE_1;
10095
10096     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
10097     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
10098
10099     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
10100     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
10101
10102     // display counter to choose size of envelope text area
10103     MapCounterButtons(counter1_id);
10104     MapCounterButtons(counter2_id);
10105
10106     // display checkbuttons to choose auto-wrap and alignment properties
10107     MapCheckbuttonGadget(button1_id);
10108     MapCheckbuttonGadget(button2_id);
10109
10110     DrawEnvelopeTextArea(envelope_nr);
10111   }
10112
10113   if (IS_MM_MCDUFFIN(properties_element))
10114   {
10115     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
10116     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
10117     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
10118   }
10119
10120   if (IS_DF_LASER(properties_element))
10121   {
10122     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
10123     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
10124     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
10125   }
10126
10127   if (IS_CUSTOM_ELEMENT(properties_element))
10128   {
10129     // draw stickybutton gadget
10130     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10131
10132     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10133     {
10134       // draw checkbutton gadgets
10135       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
10136            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
10137         MapCheckbuttonGadget(i);
10138
10139       // draw counter gadgets
10140       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
10141            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
10142         MapCounterButtons(i);
10143
10144       // draw selectbox gadgets
10145       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
10146            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
10147         MapSelectboxGadget(i);
10148
10149       // draw textbutton gadgets
10150       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10151
10152       // draw text input gadgets
10153       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10154
10155       // draw drawing area gadgets
10156       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10157
10158       draw_footer_line = TRUE;
10159     }
10160     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10161     {
10162       // draw checkbutton gadgets
10163       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
10164            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
10165         MapCheckbuttonGadget(i);
10166
10167       // draw counter gadgets
10168       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
10169            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
10170         MapCounterButtons(i);
10171
10172       // draw selectbox gadgets
10173       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
10174            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
10175         MapSelectboxGadget(i);
10176
10177       // draw drawing area gadgets
10178       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
10179       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
10180       DrawCustomContentArea();
10181     }
10182   }
10183   else if (IS_GROUP_ELEMENT(properties_element))
10184   {
10185     // draw stickybutton gadget
10186     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10187
10188     // draw checkbutton gadgets
10189     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10190     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10191
10192     // draw counter gadgets
10193     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
10194
10195     // draw selectbox gadgets
10196     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
10197
10198     // draw textbutton gadgets
10199     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10200
10201     // draw drawing area gadgets
10202     DrawGroupElementArea(properties_element);
10203
10204     // draw text input gadgets
10205     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10206
10207     // draw drawing area gadgets
10208     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10209
10210     draw_footer_line = TRUE;
10211   }
10212
10213   // draw little footer border line above CE/GE use/save template gadgets
10214   if (draw_footer_line)
10215   {
10216     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10217     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10218     int gd_x = gd->x + gd_gi1->border.width / 2;
10219     int gd_y = gd->y + gd_gi1->height - 1;
10220     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10221
10222     if (tab_color != BLACK_PIXEL)               // black => transparent
10223       FillRectangle(drawto,
10224                     SX + ED_ELEMENT_SETTINGS_X(0),
10225                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10226                     ED_TAB_BAR_HEIGHT,
10227                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10228   }
10229 }
10230
10231 static void DrawPropertiesChangeDrawingAreas(void)
10232 {
10233   if (IS_CUSTOM_ELEMENT(properties_element))
10234   {
10235     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10236     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10237     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10238
10239     DrawCustomChangeContentArea();
10240   }
10241
10242   redraw_mask |= REDRAW_FIELD;
10243 }
10244
10245 static void DrawPropertiesChange(void)
10246 {
10247   int i;
10248
10249   // needed to initially set selectbox options for special action options
10250   setSelectboxSpecialActionOptions();
10251
10252   // draw stickybutton gadget
10253   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10254
10255   // draw checkbutton gadgets
10256   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10257        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10258     MapCheckbuttonGadget(i);
10259
10260   // draw counter gadgets
10261   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10262        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10263     MapCounterButtons(i);
10264
10265   // draw selectbox gadgets
10266   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10267        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10268     MapSelectboxGadget(i);
10269
10270   // draw textbutton gadgets
10271   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10272        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10273     MapTextbuttonGadget(i);
10274
10275   // draw graphicbutton gadgets
10276   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10277        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10278     MapGraphicbuttonGadget(i);
10279
10280   // draw drawing area gadgets
10281   DrawPropertiesChangeDrawingAreas();
10282 }
10283
10284 static void DrawEditorElementAnimation(int x, int y)
10285 {
10286   int graphic = el2img(properties_element);
10287   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10288                custom_element.ce_value_fixed_initial :
10289                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10290                custom_element.collect_score_initial : FrameCounter);
10291
10292   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10293 }
10294
10295 static void DrawEditorElementName(int x, int y, int font_nr)
10296 {
10297   char *element_name = getElementInfoText(properties_element);
10298   int font_width = getFontWidth(font_nr);
10299   int font_height = getFontHeight(font_nr);
10300   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10301   int max_chars_per_line = max_text_width / font_width;
10302   char buffer[max_chars_per_line + 1];
10303
10304   if (strlen(element_name) <= max_chars_per_line)
10305     DrawTextS(x, y, font_nr, element_name);
10306   else
10307   {
10308     int next_pos = max_chars_per_line;
10309
10310     strncpy(buffer, element_name, max_chars_per_line);
10311     buffer[max_chars_per_line] = '\0';
10312
10313     if (element_name[max_chars_per_line] == ' ')
10314       next_pos++;
10315     else
10316     {
10317       int i;
10318
10319       for (i = max_chars_per_line - 1; i >= 0; i--)
10320         if (buffer[i] == ' ')
10321           break;
10322
10323       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10324       {
10325         buffer[i] = '\0';
10326         next_pos = i + 1;
10327       }
10328     }
10329
10330     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10331
10332     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10333     buffer[max_chars_per_line] = '\0';
10334
10335     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10336   }
10337 }
10338
10339 static void DrawPropertiesWindow(void)
10340 {
10341   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10342   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10343   int border_size = gd->border_size;
10344   int font_nr = FONT_TEXT_1;
10345   int font_height = getFontHeight(font_nr);
10346   int xoffset = TILEX + element_border + 3 * border_size;
10347   int yoffset = (TILEY - font_height) / 2;
10348   int x1 = editor.settings.element_graphic.x + element_border;
10349   int y1 = editor.settings.element_graphic.y + element_border;
10350   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10351             editor.settings.element_name.x);
10352   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10353             editor.settings.element_name.y);
10354   char *text = "Element Settings";
10355   int font2_nr = FONT_TITLE_1;
10356   struct MenuPosInfo *pos = &editor.settings.headline;
10357   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10358   int sy = SY + pos->y;
10359
10360   stick_element_properties_window = FALSE;
10361
10362   // make sure that previous properties edit mode exists for this element
10363   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10364       !IS_CUSTOM_ELEMENT(properties_element))
10365     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10366
10367   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10368       !ELEM_IS_PLAYER(properties_element) &&
10369       !IS_CUSTOM_ELEMENT(properties_element))
10370     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10371
10372   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10373       (ELEM_IS_PLAYER(properties_element) ||
10374        IS_CUSTOM_ELEMENT(properties_element)))
10375     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10376
10377   CopyElementPropertiesToEditor(properties_element);
10378
10379   UnmapLevelEditorFieldGadgets();
10380   UnmapLevelEditorToolboxDrawingGadgets();
10381   UnmapLevelEditorToolboxCustomGadgets();
10382
10383   if (IS_CUSTOM_ELEMENT(properties_element) ||
10384       IS_GROUP_ELEMENT(properties_element))
10385     MapLevelEditorToolboxCustomGadgets();
10386
10387   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10388   ClearField();
10389
10390   DrawText(sx, sy, text, font2_nr);
10391
10392   FrameCounter = 0;     // restart animation frame counter
10393
10394   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10395   DrawEditorElementAnimation(SX + x1, SY + y1);
10396   DrawEditorElementName(x2, y2, font_nr);
10397
10398   DrawPropertiesTabulatorGadgets();
10399
10400   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10401     DrawPropertiesInfo();
10402   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10403     DrawPropertiesChange();
10404   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
10405     DrawPropertiesConfig();
10406 }
10407
10408 static void DrawPaletteWindow(void)
10409 {
10410   int i;
10411
10412   UnmapLevelEditorFieldGadgets();
10413
10414   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10415   ClearField();
10416
10417   // map buttons to select elements
10418   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10419     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10420   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10421   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10422   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10423 }
10424
10425 static void UpdateCustomElementGraphicGadgets(void)
10426 {
10427   int i;
10428
10429   InitElementPropertiesGfxElement();
10430
10431   ModifyEditorElementList();
10432   RedrawDrawingElements();
10433
10434   // force redraw of all mapped drawing area gadgets
10435   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10436   {
10437     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10438
10439     if (gi->mapped)
10440       MapDrawingArea(i);
10441   }
10442 }
10443
10444 static int getOpenDirectionFromTube(int element)
10445 {
10446   switch (element)
10447   {
10448     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10449     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10450     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10451     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10452     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10453     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10454     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10455     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10456     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10457     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10458     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10459   }
10460
10461   return MV_NONE;
10462 }
10463
10464 static int getTubeFromOpenDirection(int direction)
10465 {
10466   switch (direction)
10467   {
10468     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10469     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10470     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10471     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10472     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10473     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10474     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10475     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10476     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10477     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10478     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10479
10480     // if only one direction, fall back to simple tube with that direction
10481     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10482     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10483     case (MV_UP):                       return EL_TUBE_VERTICAL;
10484     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10485   }
10486
10487   return EL_EMPTY;
10488 }
10489
10490 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10491 {
10492   int element_new = getTubeFromOpenDirection(direction);
10493
10494   return (element_new != EL_EMPTY ? element_new : element_old);
10495 }
10496
10497 static int getOpenDirectionFromBelt(int element)
10498 {
10499   int belt_dir = getBeltDirFromBeltElement(element);
10500
10501   return (belt_dir == MV_LEFT ? MV_RIGHT :
10502           belt_dir == MV_RIGHT ? MV_LEFT :
10503           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10504 }
10505
10506 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10507 {
10508   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10509                   direction == MV_RIGHT ? MV_LEFT :
10510                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10511
10512   if (direction == MV_NONE)
10513     return EL_EMPTY;
10514
10515   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10516 }
10517
10518 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10519                                                  int element_old)
10520 {
10521   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10522
10523   return (element_new != EL_EMPTY ? element_new : element_old);
10524 }
10525
10526 static int getOpenDirectionFromPool(int element)
10527 {
10528   switch (element)
10529   {
10530     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10531     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10532     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10533     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10534     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10535     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10536   }
10537
10538   return MV_NONE;
10539 }
10540
10541 static int getPoolFromOpenDirection(int direction)
10542 {
10543   switch (direction)
10544   {
10545     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10546     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10547     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10548     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10549     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10550     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10551   }
10552
10553   return EL_EMPTY;
10554 }
10555
10556 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10557 {
10558   int element = getPoolFromOpenDirection(direction);
10559   int help_direction = getOpenDirectionFromPool(help_element);
10560
10561   if (element == EL_EMPTY)
10562   {
10563     int help_direction_vertical = help_direction & MV_VERTICAL;
10564
10565     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10566   }
10567
10568   if (element == EL_EMPTY)
10569   {
10570     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10571
10572     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10573   }
10574
10575   return element;
10576 }
10577
10578 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10579 {
10580   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10581
10582   return (element_new != EL_EMPTY ? element_new : element_old);
10583 }
10584
10585 static int getOpenDirectionFromPillar(int element)
10586 {
10587   switch (element)
10588   {
10589     case EL_EMC_WALL_1:                 return (MV_DOWN);
10590     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10591     case EL_EMC_WALL_3:                 return (MV_UP);
10592   }
10593
10594   return MV_NONE;
10595 }
10596
10597 static int getPillarFromOpenDirection(int direction)
10598 {
10599   switch (direction)
10600   {
10601     case (MV_DOWN):                     return EL_EMC_WALL_1;
10602     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10603     case (MV_UP):                       return EL_EMC_WALL_3;
10604   }
10605
10606   return EL_EMPTY;
10607 }
10608
10609 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10610 {
10611   int element_new = getPillarFromOpenDirection(direction);
10612
10613   return (element_new != EL_EMPTY ? element_new : element_old);
10614 }
10615
10616 static int getOpenDirectionFromSteel2(int element)
10617 {
10618   switch (element)
10619   {
10620     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10621     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10622     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10623     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10624     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10625     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10626     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10627     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10628   }
10629
10630   return MV_NONE;
10631 }
10632
10633 static int getSteel2FromOpenDirection(int direction)
10634 {
10635   switch (direction)
10636   {
10637     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10638     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10639     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10640     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10641     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10642     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10643     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10644     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10645   }
10646
10647   return EL_EMPTY;
10648 }
10649
10650 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10651 {
10652   int element_new = getSteel2FromOpenDirection(direction);
10653
10654   return (element_new != EL_EMPTY ? element_new : element_old);
10655 }
10656
10657 static int getOpenDirectionFromChip(int element)
10658 {
10659   switch (element)
10660   {
10661     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10662     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10663     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10664     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10665     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10666   }
10667
10668   return MV_NONE;
10669 }
10670
10671 static int getChipFromOpenDirection(int direction)
10672 {
10673   switch (direction)
10674   {
10675     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10676     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10677     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10678     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10679     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10680   }
10681
10682   return EL_EMPTY;
10683 }
10684
10685 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10686 {
10687   int element_new = getChipFromOpenDirection(direction);
10688
10689   return (element_new != EL_EMPTY ? element_new : element_old);
10690 }
10691
10692 static int getClosedTube(int x, int y)
10693 {
10694   static int xy[4][2] =
10695   {
10696     { -1, 0 },
10697     { +1, 0 },
10698     { 0, -1 },
10699     { 0, +1 }
10700   };
10701   int element_old = IntelliDrawBuffer[x][y];
10702   int direction_old = getOpenDirectionFromTube(element_old);
10703   int direction_new = MV_NONE;
10704   int i;
10705
10706   for (i = 0; i < NUM_DIRECTIONS; i++)
10707   {
10708     int xx = x + xy[i][0];
10709     int yy = y + xy[i][1];
10710     int dir = MV_DIR_FROM_BIT(i);
10711     int dir_opposite = MV_DIR_OPPOSITE(dir);
10712
10713     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10714         (direction_old & dir) &&
10715         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10716       direction_new |= dir;
10717   }
10718
10719   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10720 }
10721
10722 static int getClosedBelt(int x, int y)
10723 {
10724   static int xy[4][2] =
10725   {
10726     { -1, 0 },
10727     { +1, 0 },
10728     { 0, -1 },
10729     { 0, +1 }
10730   };
10731   int element_old = IntelliDrawBuffer[x][y];
10732   int nr = getBeltNrFromBeltElement(element_old);
10733   int direction_old = getOpenDirectionFromBelt(element_old);
10734   int direction_new = MV_NONE;
10735   int i;
10736
10737   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10738   {
10739     int xx = x + xy[i][0];
10740     int yy = y + xy[i][1];
10741     int dir = MV_DIR_FROM_BIT(i);
10742     int dir_opposite = MV_DIR_OPPOSITE(dir);
10743
10744     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10745         (direction_old & dir) &&
10746         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10747       direction_new |= dir;
10748   }
10749
10750   return getBeltFromNrAndOpenDirection(nr, direction_new);
10751 }
10752
10753 static int getClosedPool(int x, int y)
10754 {
10755   static int xy[4][2] =
10756   {
10757     { -1, 0 },
10758     { +1, 0 },
10759     { 0, -1 },
10760     { 0, +1 }
10761   };
10762   int element_old = IntelliDrawBuffer[x][y];
10763   int direction_old = getOpenDirectionFromPool(element_old);
10764   int direction_new = MV_NONE;
10765   int i;
10766
10767   for (i = 0; i < NUM_DIRECTIONS; i++)
10768   {
10769     int xx = x + xy[i][0];
10770     int yy = y + xy[i][1];
10771     int dir = MV_DIR_FROM_BIT(i);
10772     int dir_opposite = MV_DIR_OPPOSITE(dir);
10773
10774     if (IN_LEV_FIELD(xx, yy) &&
10775         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10776         (direction_old & dir) &&
10777         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10778       direction_new |= dir;
10779   }
10780
10781   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10782 }
10783
10784 static int getClosedPillar(int x, int y)
10785 {
10786   static int xy[4][2] =
10787   {
10788     { -1, 0 },
10789     { +1, 0 },
10790     { 0, -1 },
10791     { 0, +1 }
10792   };
10793   int element_old = IntelliDrawBuffer[x][y];
10794   int direction_old = getOpenDirectionFromPillar(element_old);
10795   int direction_new = MV_NONE;
10796   int i;
10797
10798   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10799   {
10800     int xx = x + xy[i][0];
10801     int yy = y + xy[i][1];
10802     int dir = MV_DIR_FROM_BIT(i);
10803     int dir_opposite = MV_DIR_OPPOSITE(dir);
10804
10805     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10806         (direction_old & dir) &&
10807         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10808       direction_new |= dir;
10809   }
10810
10811   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10812 }
10813
10814 static int getClosedSteel2(int x, int y)
10815 {
10816   static int xy[4][2] =
10817   {
10818     { -1, 0 },
10819     { +1, 0 },
10820     { 0, -1 },
10821     { 0, +1 }
10822   };
10823   int element_old = IntelliDrawBuffer[x][y];
10824   int direction_old = getOpenDirectionFromSteel2(element_old);
10825   int direction_new = MV_NONE;
10826   int i;
10827
10828   for (i = 0; i < NUM_DIRECTIONS; i++)
10829   {
10830     int xx = x + xy[i][0];
10831     int yy = y + xy[i][1];
10832     int dir = MV_DIR_FROM_BIT(i);
10833     int dir_opposite = MV_DIR_OPPOSITE(dir);
10834
10835     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10836         (direction_old & dir) &&
10837         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10838       direction_new |= dir;
10839   }
10840
10841   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10842 }
10843
10844 static int getClosedChip(int x, int y)
10845 {
10846   static int xy[4][2] =
10847   {
10848     { -1, 0 },
10849     { +1, 0 },
10850     { 0, -1 },
10851     { 0, +1 }
10852   };
10853   int element_old = IntelliDrawBuffer[x][y];
10854   int direction_old = getOpenDirectionFromChip(element_old);
10855   int direction_new = MV_NONE;
10856   int i;
10857
10858   for (i = 0; i < NUM_DIRECTIONS; i++)
10859   {
10860     int xx = x + xy[i][0];
10861     int yy = y + xy[i][1];
10862     int dir = MV_DIR_FROM_BIT(i);
10863     int dir_opposite = MV_DIR_OPPOSITE(dir);
10864
10865     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10866         (direction_old & dir) &&
10867         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10868       direction_new |= dir;
10869   }
10870
10871   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10872 }
10873
10874 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10875                                 boolean change_level)
10876 {
10877   int sx = x - level_xpos;
10878   int sy = y - level_ypos;
10879   int old_element = Tile[x][y];
10880   int new_element = element;
10881   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10882   boolean draw_masked = FALSE;
10883
10884   if (IS_MM_WALL_EDITOR(element))
10885   {
10886     element = map_mm_wall_element_editor(element) | new_bitmask;
10887
10888     if (IS_MM_WALL(old_element))
10889       element |= MM_WALL_BITS(old_element);
10890
10891     if (!change_level)
10892       draw_masked = TRUE;
10893   }
10894   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10895   {
10896     int element_changed = old_element & ~new_bitmask;
10897
10898     if (MM_WALL_BITS(element_changed) != 0)
10899       element = element_changed;
10900   }
10901
10902   IntelliDrawBuffer[x][y] = element;
10903
10904   if (change_level)
10905     Tile[x][y] = element;
10906
10907   if (IN_ED_FIELD(sx, sy))
10908   {
10909     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10910       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10911     else if (draw_masked)
10912       DrawEditorElementThruMask(sx, sy, element);
10913     else
10914       DrawEditorElement(sx, sy, element);
10915   }
10916 }
10917
10918 static void SetElementSimple(int x, int y, int element, boolean change_level)
10919 {
10920   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10921 }
10922
10923 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10924                                            int x2, int y2, int *element2,
10925                                            int (*close_function)(int, int),
10926                                            boolean change_level)
10927 {
10928   // set neighbour elements to newly determined connections
10929   SetElementSimple(x1, y1, *element1, change_level);
10930   SetElementSimple(x2, y2, *element2, change_level);
10931
10932   // remove all open connections of neighbour elements
10933   *element1 = close_function(x1, y1);
10934   *element2 = close_function(x2, y2);
10935
10936   // set neighbour elements to new, minimized connections
10937   SetElementSimple(x1, y1, *element1, change_level);
10938   SetElementSimple(x2, y2, *element2, change_level);
10939 }
10940
10941 static void SetElementIntelliDraw(int x, int y, int new_element,
10942                                   boolean change_level, int button)
10943 {
10944   static int xy[4][2] =
10945   {
10946     { -1, 0 },
10947     { +1, 0 },
10948     { 0, -1 },
10949     { 0, +1 }
10950   };
10951   static int last_x = -1;
10952   static int last_y = -1;
10953
10954   if (new_element == EL_UNDEFINED)
10955   {
10956     last_x = -1;
10957     last_y = -1;
10958
10959     return;
10960   }
10961
10962   int old_element = IntelliDrawBuffer[x][y];
10963
10964   if (IS_TUBE(new_element))
10965   {
10966     int last_element_new = EL_UNDEFINED;
10967     int direction = MV_NONE;
10968     int i;
10969
10970     // if old element is of same kind, keep all existing directions
10971     if (IS_TUBE(old_element))
10972       direction |= getOpenDirectionFromTube(old_element);
10973
10974     for (i = 0; i < NUM_DIRECTIONS; i++)
10975     {
10976       int xx = x + xy[i][0];
10977       int yy = y + xy[i][1];
10978
10979       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10980           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10981       {
10982         int dir = MV_DIR_FROM_BIT(i);
10983         int dir_opposite = MV_DIR_OPPOSITE(dir);
10984         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10985         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10986         int last_direction_new = last_direction_old | dir_opposite;
10987
10988         last_element_new = getTubeFromOpenDirection(last_direction_new);
10989
10990         direction |= dir;
10991       }
10992     }
10993
10994     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10995
10996     if (last_element_new != EL_UNDEFINED)
10997       MergeAndCloseNeighbourElements(x, y, &new_element,
10998                                      last_x, last_y, &last_element_new,
10999                                      getClosedTube, change_level);
11000   }
11001   else if (IS_BELT(new_element))
11002   {
11003     int belt_nr = getBeltNrFromBeltElement(new_element);
11004     int last_element_new = EL_UNDEFINED;
11005     int direction = MV_NONE;
11006     int i;
11007
11008     // if old element is of same kind, keep all existing directions
11009     if (IS_BELT(old_element))
11010       direction |= getOpenDirectionFromBelt(old_element);
11011
11012     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11013     {
11014       int xx = x + xy[i][0];
11015       int yy = y + xy[i][1];
11016
11017       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11018           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
11019       {
11020         int dir = MV_DIR_FROM_BIT(i);
11021         int dir_opposite = MV_DIR_OPPOSITE(dir);
11022         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11023         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
11024         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
11025         int last_direction_new = last_direction_old | dir_opposite;
11026
11027         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
11028                                                          last_direction_new);
11029         direction |= dir;
11030       }
11031     }
11032
11033     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
11034                                                         new_element);
11035     if (last_element_new != EL_UNDEFINED)
11036       MergeAndCloseNeighbourElements(x, y, &new_element,
11037                                      last_x, last_y, &last_element_new,
11038                                      getClosedBelt, change_level);
11039   }
11040   else if (IS_ACID_POOL_OR_ACID(new_element))
11041   {
11042     int last_element_new = EL_UNDEFINED;
11043     int direction = MV_NONE;
11044     int i;
11045
11046     // if old element is of same kind, keep all existing directions
11047     if (IS_ACID_POOL_OR_ACID(old_element))
11048       direction |= getOpenDirectionFromPool(old_element);
11049
11050     for (i = 0; i < NUM_DIRECTIONS; i++)
11051     {
11052       int xx = x + xy[i][0];
11053       int yy = y + xy[i][1];
11054
11055       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11056           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
11057       {
11058         int dir = MV_DIR_FROM_BIT(i);
11059         int dir_opposite = MV_DIR_OPPOSITE(dir);
11060         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11061         int last_direction_old = getOpenDirectionFromPool(last_element_old);
11062         int last_direction_new = last_direction_old | dir_opposite;
11063
11064         last_element_new = getPoolFromOpenDirection(last_direction_new);
11065
11066         direction |= dir;
11067       }
11068     }
11069
11070     // special corrections needed for intuitively correct acid pool drawing
11071     if (last_element_new == EL_EMPTY)
11072       last_element_new = new_element;
11073     else if (last_element_new != EL_UNDEFINED)
11074       new_element = last_element_new;
11075
11076     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
11077
11078     if (last_element_new != EL_UNDEFINED)
11079       MergeAndCloseNeighbourElements(x, y, &new_element,
11080                                      last_x, last_y, &last_element_new,
11081                                      getClosedPool, change_level);
11082   }
11083   else if (IS_EMC_PILLAR(new_element))
11084   {
11085     int last_element_new = EL_UNDEFINED;
11086     int direction = MV_NONE;
11087     int i;
11088
11089     // if old element is of same kind, keep all existing directions
11090     if (IS_EMC_PILLAR(old_element))
11091       direction |= getOpenDirectionFromPillar(old_element);
11092
11093     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11094     {
11095       int xx = x + xy[i][0];
11096       int yy = y + xy[i][1];
11097
11098       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11099           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
11100       {
11101         int dir = MV_DIR_FROM_BIT(i);
11102         int dir_opposite = MV_DIR_OPPOSITE(dir);
11103         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11104         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
11105         int last_direction_new = last_direction_old | dir_opposite;
11106
11107         last_element_new = getPillarFromOpenDirection(last_direction_new);
11108
11109         direction |= dir;
11110       }
11111     }
11112
11113     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
11114
11115     if (last_element_new != EL_UNDEFINED)
11116       MergeAndCloseNeighbourElements(x, y, &new_element,
11117                                      last_x, last_y, &last_element_new,
11118                                      getClosedPillar, change_level);
11119   }
11120   else if (IS_DC_STEELWALL_2(new_element))
11121   {
11122     int last_element_new = EL_UNDEFINED;
11123     int direction = MV_NONE;
11124     int i;
11125
11126     // if old element is of same kind, keep all existing directions
11127     if (IS_DC_STEELWALL_2(old_element))
11128       direction |= getOpenDirectionFromSteel2(old_element);
11129
11130     for (i = 0; i < NUM_DIRECTIONS; i++)
11131     {
11132       int xx = x + xy[i][0];
11133       int yy = y + xy[i][1];
11134
11135       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11136           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11137       {
11138         int dir = MV_DIR_FROM_BIT(i);
11139         int dir_opposite = MV_DIR_OPPOSITE(dir);
11140         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11141         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
11142         int last_direction_new = last_direction_old | dir_opposite;
11143
11144         last_element_new = getSteel2FromOpenDirection(last_direction_new);
11145
11146         direction |= dir;
11147       }
11148     }
11149
11150     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
11151
11152     if (last_element_new != EL_UNDEFINED)
11153       MergeAndCloseNeighbourElements(x, y, &new_element,
11154                                      last_x, last_y, &last_element_new,
11155                                      getClosedSteel2, change_level);
11156   }
11157   else if (IS_SP_CHIP(new_element))
11158   {
11159     int last_element_new = EL_UNDEFINED;
11160     int direction = MV_NONE;
11161     int i;
11162
11163     // (do not keep existing directions, regardless of kind of old element)
11164
11165     for (i = 0; i < NUM_DIRECTIONS; i++)
11166     {
11167       int xx = x + xy[i][0];
11168       int yy = y + xy[i][1];
11169
11170       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11171           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
11172       {
11173         int dir = MV_DIR_FROM_BIT(i);
11174         int dir_opposite = MV_DIR_OPPOSITE(dir);
11175         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11176         int last_direction_old = getOpenDirectionFromChip(last_element_old);
11177         int last_direction_new = last_direction_old | dir_opposite;
11178
11179         if (last_direction_old == MV_NONE)
11180         {
11181           last_element_new = getChipFromOpenDirection(last_direction_new);
11182           direction |= dir;
11183         }
11184         else if (last_direction_old & (dir | dir_opposite))
11185         {
11186           direction |= MV_DIR_OPPOSITE(last_direction_old);
11187         }
11188         else
11189         {
11190           direction |= MV_DIR_OPPOSITE(dir);
11191         }
11192       }
11193     }
11194
11195     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
11196
11197     if (last_element_new != EL_UNDEFINED)
11198       MergeAndCloseNeighbourElements(x, y, &new_element,
11199                                      last_x, last_y, &last_element_new,
11200                                      getClosedChip, change_level);
11201   }
11202   else if (IS_SP_HARDWARE_BASE(new_element))
11203   {
11204     int nr = GetSimpleRandom(6);
11205
11206     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
11207                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
11208                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
11209                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11210                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11211   }
11212   else if (new_element == EL_SP_HARDWARE_GREEN ||
11213            new_element == EL_SP_HARDWARE_BLUE ||
11214            new_element == EL_SP_HARDWARE_RED)
11215   {
11216     int nr = GetSimpleRandom(3);
11217
11218     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11219                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11220   }
11221   else if (IS_GROUP_ELEMENT(new_element))
11222   {
11223     boolean connected_drawing = FALSE;
11224     int i;
11225
11226     for (i = 0; i < NUM_DIRECTIONS; i++)
11227     {
11228       int xx = x + xy[i][0];
11229       int yy = y + xy[i][1];
11230
11231       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11232           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11233         connected_drawing = TRUE;
11234     }
11235
11236     if (!connected_drawing)
11237       ResolveGroupElement(new_element);
11238
11239     new_element = GetElementFromGroupElement(new_element);
11240   }
11241   else if (IS_BELT_SWITCH(old_element))
11242   {
11243     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11244     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11245
11246     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11247                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11248
11249     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11250   }
11251   else
11252   {
11253     static int swappable_elements[][2] =
11254     {
11255       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11256       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11257       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11258       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11259       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11260       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11261       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11262       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11263       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11264       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11265       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11266       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11267       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11268       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11269       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11270       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11271       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11272       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11273       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11274       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11275       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11276       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11277       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11278       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11279       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11280       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11281       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11282       { EL_PEARL,                       EL_WALL_PEARL                   },
11283       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11284       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11285       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11286       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11287       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11288       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11289       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11290       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11291       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11292       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11293       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11294       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11295       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11296       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11297       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11298       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11299
11300       { -1,                             -1                              },
11301     };
11302     static int rotatable_elements_4[][4] =
11303     {
11304       {
11305         EL_BUG_UP,
11306         EL_BUG_RIGHT,
11307         EL_BUG_DOWN,
11308         EL_BUG_LEFT
11309       },
11310       {
11311         EL_SPACESHIP_UP,
11312         EL_SPACESHIP_RIGHT,
11313         EL_SPACESHIP_DOWN,
11314         EL_SPACESHIP_LEFT
11315       },
11316       {
11317         EL_BD_BUTTERFLY_UP,
11318         EL_BD_BUTTERFLY_RIGHT,
11319         EL_BD_BUTTERFLY_DOWN,
11320         EL_BD_BUTTERFLY_LEFT
11321       },
11322       {
11323         EL_BD_FIREFLY_UP,
11324         EL_BD_FIREFLY_RIGHT,
11325         EL_BD_FIREFLY_DOWN,
11326         EL_BD_FIREFLY_LEFT
11327       },
11328       {
11329         EL_PACMAN_UP,
11330         EL_PACMAN_RIGHT,
11331         EL_PACMAN_DOWN,
11332         EL_PACMAN_LEFT
11333       },
11334       {
11335         EL_YAMYAM_UP,
11336         EL_YAMYAM_RIGHT,
11337         EL_YAMYAM_DOWN,
11338         EL_YAMYAM_LEFT
11339       },
11340       {
11341         EL_ARROW_UP,
11342         EL_ARROW_RIGHT,
11343         EL_ARROW_DOWN,
11344         EL_ARROW_LEFT
11345       },
11346       {
11347         EL_SP_PORT_UP,
11348         EL_SP_PORT_RIGHT,
11349         EL_SP_PORT_DOWN,
11350         EL_SP_PORT_LEFT
11351       },
11352       {
11353         EL_SP_GRAVITY_PORT_UP,
11354         EL_SP_GRAVITY_PORT_RIGHT,
11355         EL_SP_GRAVITY_PORT_DOWN,
11356         EL_SP_GRAVITY_PORT_LEFT
11357       },
11358       {
11359         EL_SP_GRAVITY_ON_PORT_UP,
11360         EL_SP_GRAVITY_ON_PORT_RIGHT,
11361         EL_SP_GRAVITY_ON_PORT_DOWN,
11362         EL_SP_GRAVITY_ON_PORT_LEFT
11363       },
11364       {
11365         EL_SP_GRAVITY_OFF_PORT_UP,
11366         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11367         EL_SP_GRAVITY_OFF_PORT_DOWN,
11368         EL_SP_GRAVITY_OFF_PORT_LEFT
11369       },
11370       {
11371         EL_MOLE_UP,
11372         EL_MOLE_RIGHT,
11373         EL_MOLE_DOWN,
11374         EL_MOLE_LEFT
11375       },
11376       {
11377         EL_BALLOON_SWITCH_UP,
11378         EL_BALLOON_SWITCH_RIGHT,
11379         EL_BALLOON_SWITCH_DOWN,
11380         EL_BALLOON_SWITCH_LEFT
11381       },
11382       {
11383         EL_MM_MCDUFFIN_UP,
11384         EL_MM_MCDUFFIN_RIGHT,
11385         EL_MM_MCDUFFIN_DOWN,
11386         EL_MM_MCDUFFIN_LEFT
11387       },
11388       {
11389         EL_MM_MIRROR_FIXED_1,
11390         EL_MM_MIRROR_FIXED_4,
11391         EL_MM_MIRROR_FIXED_3,
11392         EL_MM_MIRROR_FIXED_2
11393       },
11394       {
11395         EL_MM_STEEL_GRID_FIXED_1,
11396         EL_MM_STEEL_GRID_FIXED_4,
11397         EL_MM_STEEL_GRID_FIXED_2,
11398         EL_MM_STEEL_GRID_FIXED_3
11399       },
11400       {
11401         EL_MM_WOODEN_GRID_FIXED_1,
11402         EL_MM_WOODEN_GRID_FIXED_4,
11403         EL_MM_WOODEN_GRID_FIXED_2,
11404         EL_MM_WOODEN_GRID_FIXED_3
11405       },
11406       {
11407         EL_MM_POLARIZER_CROSS_1,
11408         EL_MM_POLARIZER_CROSS_4,
11409         EL_MM_POLARIZER_CROSS_3,
11410         EL_MM_POLARIZER_CROSS_2
11411       },
11412       {
11413         EL_MM_PACMAN_UP,
11414         EL_MM_PACMAN_RIGHT,
11415         EL_MM_PACMAN_DOWN,
11416         EL_MM_PACMAN_LEFT
11417       },
11418       {
11419         EL_DF_LASER_UP,
11420         EL_DF_LASER_RIGHT,
11421         EL_DF_LASER_DOWN,
11422         EL_DF_LASER_LEFT
11423       },
11424       {
11425         EL_DF_RECEIVER_UP,
11426         EL_DF_RECEIVER_RIGHT,
11427         EL_DF_RECEIVER_DOWN,
11428         EL_DF_RECEIVER_LEFT
11429       },
11430
11431       {
11432         -1,
11433       },
11434     };
11435     static int rotatable_elements_8[][8] =
11436     {
11437       {
11438         EL_DF_STEEL_GRID_FIXED_1,
11439         EL_DF_STEEL_GRID_FIXED_8,
11440         EL_DF_STEEL_GRID_FIXED_7,
11441         EL_DF_STEEL_GRID_FIXED_6,
11442         EL_DF_STEEL_GRID_FIXED_5,
11443         EL_DF_STEEL_GRID_FIXED_4,
11444         EL_DF_STEEL_GRID_FIXED_3,
11445         EL_DF_STEEL_GRID_FIXED_2
11446       },
11447       {
11448         EL_DF_WOODEN_GRID_FIXED_1,
11449         EL_DF_WOODEN_GRID_FIXED_8,
11450         EL_DF_WOODEN_GRID_FIXED_7,
11451         EL_DF_WOODEN_GRID_FIXED_6,
11452         EL_DF_WOODEN_GRID_FIXED_5,
11453         EL_DF_WOODEN_GRID_FIXED_4,
11454         EL_DF_WOODEN_GRID_FIXED_3,
11455         EL_DF_WOODEN_GRID_FIXED_2
11456       },
11457       {
11458         EL_DF_STEEL_GRID_ROTATING_1,
11459         EL_DF_STEEL_GRID_ROTATING_8,
11460         EL_DF_STEEL_GRID_ROTATING_7,
11461         EL_DF_STEEL_GRID_ROTATING_6,
11462         EL_DF_STEEL_GRID_ROTATING_5,
11463         EL_DF_STEEL_GRID_ROTATING_4,
11464         EL_DF_STEEL_GRID_ROTATING_3,
11465         EL_DF_STEEL_GRID_ROTATING_2
11466       },
11467       {
11468         EL_DF_WOODEN_GRID_ROTATING_1,
11469         EL_DF_WOODEN_GRID_ROTATING_8,
11470         EL_DF_WOODEN_GRID_ROTATING_7,
11471         EL_DF_WOODEN_GRID_ROTATING_6,
11472         EL_DF_WOODEN_GRID_ROTATING_5,
11473         EL_DF_WOODEN_GRID_ROTATING_4,
11474         EL_DF_WOODEN_GRID_ROTATING_3,
11475         EL_DF_WOODEN_GRID_ROTATING_2
11476       },
11477
11478       {
11479         -1,
11480       },
11481     };
11482     static int rotatable_elements_16[][16] =
11483     {
11484       {
11485         EL_MM_MIRROR_1,
11486         EL_MM_MIRROR_16,
11487         EL_MM_MIRROR_15,
11488         EL_MM_MIRROR_14,
11489         EL_MM_MIRROR_13,
11490         EL_MM_MIRROR_12,
11491         EL_MM_MIRROR_11,
11492         EL_MM_MIRROR_10,
11493         EL_MM_MIRROR_9,
11494         EL_MM_MIRROR_8,
11495         EL_MM_MIRROR_7,
11496         EL_MM_MIRROR_6,
11497         EL_MM_MIRROR_5,
11498         EL_MM_MIRROR_4,
11499         EL_MM_MIRROR_3,
11500         EL_MM_MIRROR_2
11501       },
11502       {
11503         EL_MM_TELEPORTER_5,
11504         EL_MM_TELEPORTER_4,
11505         EL_MM_TELEPORTER_3,
11506         EL_MM_TELEPORTER_2,
11507         EL_MM_TELEPORTER_1,
11508         EL_MM_TELEPORTER_16,
11509         EL_MM_TELEPORTER_15,
11510         EL_MM_TELEPORTER_14,
11511         EL_MM_TELEPORTER_13,
11512         EL_MM_TELEPORTER_12,
11513         EL_MM_TELEPORTER_11,
11514         EL_MM_TELEPORTER_10,
11515         EL_MM_TELEPORTER_9,
11516         EL_MM_TELEPORTER_8,
11517         EL_MM_TELEPORTER_7,
11518         EL_MM_TELEPORTER_6
11519       },
11520       {
11521         EL_MM_TELEPORTER_RED_5,
11522         EL_MM_TELEPORTER_RED_4,
11523         EL_MM_TELEPORTER_RED_3,
11524         EL_MM_TELEPORTER_RED_2,
11525         EL_MM_TELEPORTER_RED_1,
11526         EL_MM_TELEPORTER_RED_16,
11527         EL_MM_TELEPORTER_RED_15,
11528         EL_MM_TELEPORTER_RED_14,
11529         EL_MM_TELEPORTER_RED_13,
11530         EL_MM_TELEPORTER_RED_12,
11531         EL_MM_TELEPORTER_RED_11,
11532         EL_MM_TELEPORTER_RED_10,
11533         EL_MM_TELEPORTER_RED_9,
11534         EL_MM_TELEPORTER_RED_8,
11535         EL_MM_TELEPORTER_RED_7,
11536         EL_MM_TELEPORTER_RED_6
11537       },
11538       {
11539         EL_MM_TELEPORTER_YELLOW_5,
11540         EL_MM_TELEPORTER_YELLOW_4,
11541         EL_MM_TELEPORTER_YELLOW_3,
11542         EL_MM_TELEPORTER_YELLOW_2,
11543         EL_MM_TELEPORTER_YELLOW_1,
11544         EL_MM_TELEPORTER_YELLOW_16,
11545         EL_MM_TELEPORTER_YELLOW_15,
11546         EL_MM_TELEPORTER_YELLOW_14,
11547         EL_MM_TELEPORTER_YELLOW_13,
11548         EL_MM_TELEPORTER_YELLOW_12,
11549         EL_MM_TELEPORTER_YELLOW_11,
11550         EL_MM_TELEPORTER_YELLOW_10,
11551         EL_MM_TELEPORTER_YELLOW_9,
11552         EL_MM_TELEPORTER_YELLOW_8,
11553         EL_MM_TELEPORTER_YELLOW_7,
11554         EL_MM_TELEPORTER_YELLOW_6
11555       },
11556       {
11557         EL_MM_TELEPORTER_GREEN_5,
11558         EL_MM_TELEPORTER_GREEN_4,
11559         EL_MM_TELEPORTER_GREEN_3,
11560         EL_MM_TELEPORTER_GREEN_2,
11561         EL_MM_TELEPORTER_GREEN_1,
11562         EL_MM_TELEPORTER_GREEN_16,
11563         EL_MM_TELEPORTER_GREEN_15,
11564         EL_MM_TELEPORTER_GREEN_14,
11565         EL_MM_TELEPORTER_GREEN_13,
11566         EL_MM_TELEPORTER_GREEN_12,
11567         EL_MM_TELEPORTER_GREEN_11,
11568         EL_MM_TELEPORTER_GREEN_10,
11569         EL_MM_TELEPORTER_GREEN_9,
11570         EL_MM_TELEPORTER_GREEN_8,
11571         EL_MM_TELEPORTER_GREEN_7,
11572         EL_MM_TELEPORTER_GREEN_6
11573       },
11574       {
11575         EL_MM_TELEPORTER_BLUE_5,
11576         EL_MM_TELEPORTER_BLUE_4,
11577         EL_MM_TELEPORTER_BLUE_3,
11578         EL_MM_TELEPORTER_BLUE_2,
11579         EL_MM_TELEPORTER_BLUE_1,
11580         EL_MM_TELEPORTER_BLUE_16,
11581         EL_MM_TELEPORTER_BLUE_15,
11582         EL_MM_TELEPORTER_BLUE_14,
11583         EL_MM_TELEPORTER_BLUE_13,
11584         EL_MM_TELEPORTER_BLUE_12,
11585         EL_MM_TELEPORTER_BLUE_11,
11586         EL_MM_TELEPORTER_BLUE_10,
11587         EL_MM_TELEPORTER_BLUE_9,
11588         EL_MM_TELEPORTER_BLUE_8,
11589         EL_MM_TELEPORTER_BLUE_7,
11590         EL_MM_TELEPORTER_BLUE_6
11591       },
11592       {
11593         EL_MM_POLARIZER_1,
11594         EL_MM_POLARIZER_16,
11595         EL_MM_POLARIZER_15,
11596         EL_MM_POLARIZER_14,
11597         EL_MM_POLARIZER_13,
11598         EL_MM_POLARIZER_12,
11599         EL_MM_POLARIZER_11,
11600         EL_MM_POLARIZER_10,
11601         EL_MM_POLARIZER_9,
11602         EL_MM_POLARIZER_8,
11603         EL_MM_POLARIZER_7,
11604         EL_MM_POLARIZER_6,
11605         EL_MM_POLARIZER_5,
11606         EL_MM_POLARIZER_4,
11607         EL_MM_POLARIZER_3,
11608         EL_MM_POLARIZER_2
11609       },
11610       {
11611         EL_DF_MIRROR_1,
11612         EL_DF_MIRROR_16,
11613         EL_DF_MIRROR_15,
11614         EL_DF_MIRROR_14,
11615         EL_DF_MIRROR_13,
11616         EL_DF_MIRROR_12,
11617         EL_DF_MIRROR_11,
11618         EL_DF_MIRROR_10,
11619         EL_DF_MIRROR_9,
11620         EL_DF_MIRROR_8,
11621         EL_DF_MIRROR_7,
11622         EL_DF_MIRROR_6,
11623         EL_DF_MIRROR_5,
11624         EL_DF_MIRROR_4,
11625         EL_DF_MIRROR_3,
11626         EL_DF_MIRROR_2
11627       },
11628       {
11629         EL_DF_MIRROR_ROTATING_1,
11630         EL_DF_MIRROR_ROTATING_16,
11631         EL_DF_MIRROR_ROTATING_15,
11632         EL_DF_MIRROR_ROTATING_14,
11633         EL_DF_MIRROR_ROTATING_13,
11634         EL_DF_MIRROR_ROTATING_12,
11635         EL_DF_MIRROR_ROTATING_11,
11636         EL_DF_MIRROR_ROTATING_10,
11637         EL_DF_MIRROR_ROTATING_9,
11638         EL_DF_MIRROR_ROTATING_8,
11639         EL_DF_MIRROR_ROTATING_7,
11640         EL_DF_MIRROR_ROTATING_6,
11641         EL_DF_MIRROR_ROTATING_5,
11642         EL_DF_MIRROR_ROTATING_4,
11643         EL_DF_MIRROR_ROTATING_3,
11644         EL_DF_MIRROR_ROTATING_2
11645       },
11646
11647       {
11648         -1,
11649       },
11650     };
11651     int i, j;
11652
11653     for (i = 0; swappable_elements[i][0] != -1; i++)
11654     {
11655       int element1 = swappable_elements[i][0];
11656       int element2 = swappable_elements[i][1];
11657
11658       if (old_element == element1 || old_element == element2)
11659         new_element = (old_element == element1 ? element2 : element1);
11660     }
11661
11662     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11663     {
11664       for (j = 0; j < 4; j++)
11665       {
11666         int element = rotatable_elements_4[i][j];
11667
11668         if (old_element == element)
11669           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11670                          button == 2 ? rotatable_elements_4[i][0]           :
11671                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11672                          old_element);
11673       }
11674     }
11675
11676     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11677     {
11678       for (j = 0; j < 8; j++)
11679       {
11680         int element = rotatable_elements_8[i][j];
11681
11682         if (old_element == element)
11683           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11684                          button == 2 ? rotatable_elements_8[i][0]           :
11685                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11686                          old_element);
11687       }
11688     }
11689
11690     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11691     {
11692       for (j = 0; j < 16; j++)
11693       {
11694         int element = rotatable_elements_16[i][j];
11695
11696         if (old_element == element)
11697           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11698                          button == 2 ? rotatable_elements_16[i][0]             :
11699                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11700                          old_element);
11701       }
11702     }
11703
11704     if (old_element != new_element)
11705     {
11706       int max_infotext_len = getMaxInfoTextLength();
11707       char infotext[MAX_OUTPUT_LINESIZE + 1];
11708
11709       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11710       infotext[max_infotext_len] = '\0';
11711
11712       ClearEditorGadgetInfoText();
11713
11714       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11715                 infotext);
11716     }
11717   }
11718
11719   SetElementSimple(x, y, new_element, change_level);
11720
11721   last_x = x;
11722   last_y = y;
11723 }
11724
11725 static void ResetIntelliDraw(void)
11726 {
11727   int x, y;
11728
11729   for (x = 0; x < lev_fieldx; x++)
11730     for (y = 0; y < lev_fieldy; y++)
11731       IntelliDrawBuffer[x][y] = Tile[x][y];
11732
11733   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11734 }
11735
11736 static boolean draw_mode_hires = FALSE;
11737
11738 static boolean isHiresTileElement(int element)
11739 {
11740   return (IS_MM_WALL(element)        || element == EL_EMPTY);
11741 }
11742
11743 static boolean isHiresDrawElement(int element)
11744 {
11745   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
11746 }
11747
11748 static void SetDrawModeHiRes(int element)
11749 {
11750   draw_mode_hires =
11751     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11752      isHiresDrawElement(element));
11753 }
11754
11755 static boolean getDrawModeHiRes(void)
11756 {
11757   return draw_mode_hires;
11758 }
11759
11760 static int getLoResScreenPos(int pos)
11761 {
11762   return (getDrawModeHiRes() ? pos / 2 : pos);
11763 }
11764
11765 static int getLoResScreenMod(int pos)
11766 {
11767   return (getDrawModeHiRes() ? pos % 2 : 0);
11768 }
11769
11770 static void SetElementExt(int x, int y, int dx, int dy, int element,
11771                           boolean change_level, int button)
11772 {
11773   if (element < 0)
11774     SetElementSimple(x, y, Tile[x][y], change_level);
11775   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11776     SetElementIntelliDraw(x, y, element, change_level, button);
11777   else
11778     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11779 }
11780
11781 static void SetElement(int x, int y, int element)
11782 {
11783   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11784 }
11785
11786 static void SetElementButton(int x, int y, int dx, int dy, int element,
11787                              int button)
11788 {
11789   SetElementExt(x, y, dx, dy, element, TRUE, button);
11790 }
11791
11792 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11793 {
11794   int lx = getLoResScreenPos(sx2) + level_xpos;
11795   int ly = getLoResScreenPos(sy2) + level_ypos;
11796   int dx = getLoResScreenMod(sx2);
11797   int dy = getLoResScreenMod(sy2);
11798
11799   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11800 }
11801
11802 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11803 {
11804   int lx = lx2 / 2;
11805   int ly = ly2 / 2;
11806   int dx = lx2 % 2;
11807   int dy = ly2 % 2;
11808
11809   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11810 }
11811
11812 static int getLevelElementHiRes(int lx2, int ly2)
11813 {
11814   int lx = lx2 / 2;
11815   int ly = ly2 / 2;
11816   int dx = lx2 % 2;
11817   int dy = ly2 % 2;
11818   int element = Tile[lx][ly];
11819   unsigned int bitmask = (dx + 1) << (dy * 2);
11820
11821   if (IS_MM_WALL(element))
11822   {
11823     if (element & bitmask)
11824       return map_mm_wall_element(element);
11825     else
11826       return EL_EMPTY;
11827   }
11828
11829   return element;
11830 }
11831
11832 static void DrawLineElement(int x, int y, int element, boolean change_level)
11833 {
11834   SetElementHiRes(x, y, element, change_level);
11835 }
11836
11837 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11838                      int element, boolean change_level)
11839 {
11840   int xsize = ABS(to_x - from_x);
11841   int ysize = ABS(to_y - from_y);
11842   int dx = (to_x < from_x ? -1 : +1);
11843   int dy = (to_y < from_y ? -1 : +1);
11844   int i;
11845
11846   if (from_y == to_y)                   // horizontal line
11847   {
11848     for (i = 0; i <= xsize; i++)
11849       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11850   }
11851   else if (from_x == to_x)              // vertical line
11852   {
11853     for (i = 0; i <= ysize; i++)
11854       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11855   }
11856   else                                  // diagonal line
11857   {
11858     if (ysize < xsize)                  // a < 1
11859     {
11860       float a = (float)ysize / (float)xsize;
11861
11862       for (i = 0; i <= xsize; i++)
11863       {
11864         int x = dx * i;
11865         int y = dy * (int)(a * i + 0.5);
11866
11867         DrawLineElement(from_x + x, from_y + y, element, change_level);
11868       }
11869     }
11870     else                                // a >= 1
11871     {
11872       float a = (float)xsize / (float)ysize;
11873
11874       for (i = 0; i <= ysize; i++)
11875       {
11876         int x = dx * (int)(a * i + 0.5);
11877         int y = dy * i;
11878
11879         DrawLineElement(from_x + x, from_y + y, element, change_level);
11880       }
11881     }
11882   }
11883 }
11884
11885 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11886                     int element, boolean change_level)
11887 {
11888   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11889   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11890   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11891   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11892 }
11893
11894 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11895                           int element, boolean change_level)
11896 {
11897   int y;
11898
11899   if (from_y > to_y)
11900     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11901
11902   for (y = from_y; y <= to_y; y++)
11903     DrawLine(from_x, y, to_x, y, element, change_level);
11904 }
11905
11906 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11907                        int element, boolean change_level)
11908 {
11909   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11910   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11911   int len_x = ABS(to_x - from_x);
11912   int len_y = ABS(to_y - from_y);
11913   int radius, x, y;
11914
11915   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11916
11917   // not optimal (some points get drawn twice) but simple,
11918   // and fast enough for the few points we are drawing
11919
11920   for (x = 0; x <= radius; x++)
11921   {
11922     int sx, sy, sx2, sy2, lx, ly;
11923
11924     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11925
11926     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11927     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11928     sx = getLoResScreenPos(sx2);
11929     sy = getLoResScreenPos(sy2);
11930     lx = sx + level_xpos;
11931     ly = sy + level_ypos;
11932
11933     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11934       DrawLineElement(sx2, sy2, element, change_level);
11935   }
11936
11937   for (y = 0; y <= radius; y++)
11938   {
11939     int sx, sy, sx2, sy2, lx, ly;
11940
11941     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11942
11943     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11944     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11945     sx = getLoResScreenPos(sx2);
11946     sy = getLoResScreenPos(sy2);
11947     lx = sx + level_xpos;
11948     ly = sy + level_ypos;
11949
11950     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11951       DrawLineElement(sx2, sy2, element, change_level);
11952   }
11953 }
11954
11955 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11956                     int element, boolean change_level)
11957 {
11958   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11959   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11960
11961   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11962 }
11963
11964 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11965
11966 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11967 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11968                        int element, boolean change_level)
11969 {
11970   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11971   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11972   int mirror_to_x2 = from_x - (to_x2 - from_x);
11973   int mirror_to_y2 = from_y - (to_y2 - from_y);
11974
11975   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11976   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11977   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11978   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11979 }
11980 #endif
11981
11982 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11983 {
11984   int from_sx, from_sy;
11985   int to_sx, to_sy;
11986
11987   if (from_x > to_x)
11988     swap_numbers(&from_x, &to_x);
11989
11990   if (from_y > to_y)
11991     swap_numbers(&from_y, &to_y);
11992
11993   from_sx = SX + from_x * ed_tilesize;
11994   from_sy = SY + from_y * ed_tilesize;
11995   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11996   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11997
11998   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11999   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
12000   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
12001   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
12002
12003   if (from_x == to_x && from_y == to_y)
12004     MarkTileDirty(from_x/2, from_y/2);
12005   else
12006     redraw_mask |= REDRAW_FIELD;
12007 }
12008
12009 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
12010                         int element, boolean change_level)
12011 {
12012   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
12013 }
12014
12015 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
12016                        int element, boolean change_level)
12017 {
12018   if (element == -1 || change_level)
12019     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
12020   else
12021     DrawAreaBorder(from_x, from_y, to_x, to_y);
12022 }
12023
12024 // values for CopyBrushExt()
12025 #define CB_AREA_TO_BRUSH                0
12026 #define CB_BRUSH_TO_CURSOR              1
12027 #define CB_BRUSH_TO_LEVEL               2
12028 #define CB_DELETE_OLD_CURSOR            3
12029 #define CB_DUMP_BRUSH                   4
12030 #define CB_DUMP_BRUSH_SMALL             5
12031 #define CB_CLIPBOARD_TO_BRUSH           6
12032 #define CB_BRUSH_TO_CLIPBOARD           7
12033 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
12034 #define CB_UPDATE_BRUSH_POSITION        9
12035
12036 #define MAX_CB_PART_SIZE        10
12037 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
12038 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
12039 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
12040                                  MAX_CB_NUM_LINES *     \
12041                                  MAX_CB_PART_SIZE)
12042
12043 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
12044 {
12045   DrawLineElement(sx, sy, element, change_level);
12046 }
12047
12048 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
12049                          int button, int mode)
12050 {
12051   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12052   static int brush_width, brush_height;
12053   static int last_cursor_x = -1, last_cursor_y = -1;
12054   static boolean delete_old_brush = FALSE;
12055   int new_element = BUTTON_ELEMENT(button);
12056   int x, y;
12057
12058   if (mode == CB_DUMP_BRUSH ||
12059       mode == CB_DUMP_BRUSH_SMALL ||
12060       mode == CB_BRUSH_TO_CLIPBOARD ||
12061       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12062   {
12063     if (edit_mode != ED_MODE_DRAWING)
12064       return;
12065
12066     char part[MAX_CB_PART_SIZE + 1] = "";
12067     char text[MAX_CB_TEXT_SIZE + 1] = "";
12068     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
12069     int height = (draw_with_brush ? brush_height : lev_fieldy);
12070     char *format = "%s%03d";
12071
12072     for (y = 0; y < height; y++)
12073       for (x = 0; x < width; x++)
12074         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
12075           format = "%s%04d";
12076
12077     for (y = 0; y < height; y++)
12078     {
12079       for (x = 0; x < width; x++)
12080       {
12081         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
12082         char *prefix = (mode == CB_DUMP_BRUSH ||
12083                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
12084
12085         if (element >= NUM_FILE_ELEMENTS)
12086           element = EL_UNKNOWN;
12087
12088         // copy brush to level sketch text buffer for the R'n'D forum:
12089         // - large tiles: `xxx or `xxxx (0x60 ASCII)
12090         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
12091         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
12092         strcat(text, part);
12093       }
12094
12095       strcat(text, "\n");
12096     }
12097
12098     if (mode == CB_BRUSH_TO_CLIPBOARD ||
12099         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12100       SDL_SetClipboardText(text);
12101     else
12102       Print("%s", text);        // print brush data to console and log file
12103
12104     return;
12105   }
12106
12107   if (mode == CB_CLIPBOARD_TO_BRUSH)
12108   {
12109     if (edit_mode != ED_MODE_DRAWING)
12110       return;
12111
12112     if (!SDL_HasClipboardText())
12113     {
12114       Request("Clipboard is empty!", REQ_CONFIRM);
12115
12116       return;
12117     }
12118
12119     boolean copy_to_brush = (draw_with_brush ||
12120                              drawing_function == GADGET_ID_GRAB_BRUSH);
12121
12122     // this will delete the old brush, if already drawing with a brush
12123     if (copy_to_brush)
12124       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
12125
12126     // initialization is required for "odd" (incomplete) clipboard content
12127     for (x = 0; x < MAX_LEV_FIELDX; x++)
12128       for (y = 0; y < MAX_LEV_FIELDY; y++)
12129         brush_buffer[x][y] = EL_EMPTY;
12130
12131     brush_width  = 0;
12132     brush_height = 0;
12133     x = 0;
12134     y = 0;
12135
12136     char *clipboard_text = SDL_GetClipboardText();
12137     char *ptr = clipboard_text;
12138     boolean allow_new_row = FALSE;
12139     boolean stop = FALSE;
12140
12141     while (*ptr && !stop)
12142     {
12143       boolean prefix_found = FALSE;
12144       boolean start_new_row = FALSE;
12145
12146       // level sketch element number prefixes (may be multi-byte characters)
12147       char *prefix_list[] = { "`", "¸" };
12148       int i;
12149
12150       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
12151       {
12152         char *prefix = prefix_list[i];
12153
12154         // check if string is large enough for prefix
12155         if (strlen(ptr) < strlen(prefix))
12156         {
12157           stop = TRUE;
12158
12159           break;
12160         }
12161
12162         // check if string starts with prefix
12163         if (strPrefix(ptr, prefix))
12164         {
12165           ptr += strlen(prefix);
12166
12167           prefix_found = TRUE;
12168
12169           break;
12170         }
12171       }
12172
12173       // check if prefix found and followed by (at least) three digits
12174       if (prefix_found &&
12175           strlen(ptr) >= 3 &&
12176           ptr[0] >= '0' && ptr[0] <= '9' &&
12177           ptr[1] >= '0' && ptr[1] <= '9' &&
12178           ptr[2] >= '0' && ptr[2] <= '9')
12179       {
12180         int element = ((ptr[0] - '0') * 100 +
12181                        (ptr[1] - '0') * 10 +
12182                        (ptr[2] - '0'));
12183
12184         ptr += 3;
12185
12186         // level sketch element number might consist of four digits
12187         if (ptr[0] >= '0' && ptr[0] <= '9')
12188         {
12189           element = element * 10 + (ptr[0] - '0');
12190           ptr++;
12191         }
12192
12193         // remap some (historic, now obsolete) elements
12194         element = getMappedElement(element);
12195
12196         if (element >= NUM_FILE_ELEMENTS)
12197           element = EL_UNKNOWN;
12198
12199         brush_buffer[x][y] = element;
12200
12201         brush_width  = MAX(x + 1, brush_width);
12202         brush_height = MAX(y + 1, brush_height);
12203
12204         x++;
12205
12206         if (x >= MAX_LEV_FIELDX)
12207           start_new_row = TRUE;
12208
12209         allow_new_row = TRUE;
12210       }
12211       else
12212       {
12213         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
12214           start_new_row = TRUE;
12215
12216         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
12217       }
12218
12219       if (start_new_row)
12220       {
12221         x = 0;
12222         y++;
12223
12224         if (y >= MAX_LEV_FIELDY)
12225           stop = TRUE;
12226
12227         allow_new_row = FALSE;
12228       }
12229     }
12230
12231     SDL_free(clipboard_text);
12232
12233     if (brush_width == 0 || brush_height == 0)
12234     {
12235       Request("No level sketch found in clipboard!", REQ_CONFIRM);
12236
12237       return;
12238     }
12239
12240     if (copy_to_brush)
12241     {
12242       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
12243       int mx, my;
12244
12245       SDL_GetMouseState(&mx, &my);
12246
12247       // if inside drawing area, activate and draw brush at last mouse position
12248       if (mx >= gi->x && mx < gi->x + gi->width &&
12249           my >= gi->y && my < gi->y + gi->height)
12250         CopyBrushToCursor(last_cursor_x, last_cursor_y);
12251
12252       draw_with_brush = TRUE;
12253     }
12254     else
12255     {
12256       char request[100];
12257
12258       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
12259               brush_width, brush_height);
12260
12261       if (!Request(request, REQ_ASK))
12262         return;
12263
12264       for (x = 0; x < MAX_LEV_FIELDX; x++)
12265         for (y = 0; y < MAX_LEV_FIELDY; y++)
12266           Tile[x][y] = brush_buffer[x][y];
12267
12268       lev_fieldx = level.fieldx = brush_width;
12269       lev_fieldy = level.fieldy = brush_height;
12270
12271       boolean use_em_engine = TRUE;
12272       boolean use_sp_engine = TRUE;
12273       boolean use_mm_engine = TRUE;
12274
12275       for (x = 0; x < MAX_LEV_FIELDX; x++)
12276       {
12277         for (y = 0; y < MAX_LEV_FIELDY; y++)
12278         {
12279           int element = Tile[x][y];
12280
12281           if (!IS_EM_ELEMENT(element) && !ELEM_IS_PLAYER(element))
12282             use_em_engine = FALSE;
12283
12284           if (!IS_SP_ELEMENT(element))
12285             use_sp_engine = FALSE;
12286
12287           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
12288             use_mm_engine = FALSE;
12289         }
12290       }
12291
12292       level.game_engine_type = (use_em_engine ? GAME_ENGINE_TYPE_EM :
12293                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
12294                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
12295                                 GAME_ENGINE_TYPE_RND);
12296
12297       // update element selection list
12298       ReinitializeElementList();
12299       ModifyEditorElementList();
12300
12301       SetBorderElement();
12302
12303       DrawEditModeWindow();
12304       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12305     }
12306
12307     return;
12308   }
12309
12310   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
12311     return;
12312
12313   if (mode == CB_AREA_TO_BRUSH)
12314   {
12315     int from_lx, from_ly;
12316
12317     if (from_x > to_x)
12318       swap_numbers(&from_x, &to_x);
12319
12320     if (from_y > to_y)
12321       swap_numbers(&from_y, &to_y);
12322
12323     brush_width = to_x - from_x + 1;
12324     brush_height = to_y - from_y + 1;
12325
12326     from_lx = from_x + level_xpos;
12327     from_ly = from_y + level_ypos;
12328
12329     for (y = 0; y < brush_height; y++)
12330     {
12331       for (x = 0; x < brush_width; x++)
12332       {
12333         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
12334
12335         if (button != 1)
12336           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
12337       }
12338     }
12339
12340     if (button != 1)
12341       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12342
12343     delete_old_brush = FALSE;
12344   }
12345   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
12346            mode == CB_BRUSH_TO_LEVEL)
12347   {
12348     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
12349     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
12350     int cursor_from_x = cursor_x - brush_width / 2;
12351     int cursor_from_y = cursor_y - brush_height / 2;
12352     int border_from_x = cursor_x, border_from_y = cursor_y;
12353     int border_to_x = cursor_x, border_to_y = cursor_y;
12354
12355     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
12356       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12357
12358     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
12359         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
12360     {
12361       delete_old_brush = FALSE;
12362
12363       return;
12364     }
12365
12366     for (y = 0; y < brush_height; y++)
12367     {
12368       for (x = 0; x < brush_width; x++)
12369       {
12370         int sx = cursor_from_x + x;
12371         int sy = cursor_from_y + y;
12372         int lx = sx + level_xpos;
12373         int ly = sy + level_ypos;
12374         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
12375         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
12376                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
12377                        brush_buffer[x][y] : new_element);
12378
12379         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12380         {
12381           if (sx < border_from_x)
12382             border_from_x = sx;
12383           else if (sx > border_to_x)
12384             border_to_x = sx;
12385           if (sy < border_from_y)
12386             border_from_y = sy;
12387           else if (sy > border_to_y)
12388             border_to_y = sy;
12389
12390           DrawBrushElement(sx, sy, element, change_level);
12391         }
12392       }
12393     }
12394
12395     if (mode != CB_DELETE_OLD_CURSOR)
12396       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
12397
12398     last_cursor_x = cursor_x;
12399     last_cursor_y = cursor_y;
12400
12401     delete_old_brush = TRUE;
12402   }
12403
12404   if (mode == CB_UPDATE_BRUSH_POSITION)
12405   {
12406     last_cursor_x = from_x;
12407     last_cursor_y = from_y;
12408   }
12409 }
12410
12411 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
12412                             int button)
12413 {
12414   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
12415 }
12416
12417 static void CopyBrushToLevel(int x, int y, int button)
12418 {
12419   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
12420 }
12421
12422 static void CopyBrushToCursor(int x, int y)
12423 {
12424   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
12425 }
12426
12427 static void UpdateBrushPosition(int x, int y)
12428 {
12429   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
12430 }
12431
12432 static void DeleteBrushFromCursor(void)
12433 {
12434   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12435 }
12436
12437 void DumpBrush(void)
12438 {
12439   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
12440 }
12441
12442 void DumpBrush_Small(void)
12443 {
12444   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
12445 }
12446
12447 void CopyClipboardToBrush(void)
12448 {
12449   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
12450 }
12451
12452 void CopyBrushToClipboard(void)
12453 {
12454   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
12455 }
12456
12457 void CopyBrushToClipboard_Small(void)
12458 {
12459   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
12460 }
12461
12462 void UndoLevelEditorOperation(void)
12463 {
12464   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
12465 }
12466
12467 void RedoLevelEditorOperation(void)
12468 {
12469   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
12470 }
12471
12472 static void FloodFill(int from_x, int from_y, int fill_element)
12473 {
12474   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
12475 }
12476
12477 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
12478 {
12479   int from_x = from_sx2 + 2 * level_xpos;
12480   int from_y = from_sy2 + 2 * level_ypos;
12481   int max_fillx = lev_fieldx * 2;
12482   int max_filly = lev_fieldy * 2;
12483   short Fill[max_fillx][max_filly];
12484   int x, y;
12485
12486   for (x = 0; x < max_fillx; x++)
12487     for (y = 0; y < max_filly; y++)
12488       Fill[x][y] = getLevelElementHiRes(x, y);
12489
12490   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
12491                     Fill, max_fillx, max_filly);
12492
12493   for (x = 0; x < max_fillx; x++)
12494     for (y = 0; y < max_filly; y++)
12495       if (Fill[x][y] == fill_element)
12496         SetLevelElementHiRes(x, y, Fill[x][y]);
12497 }
12498
12499 // values for DrawLevelText() modes
12500 #define TEXT_INIT               0
12501 #define TEXT_SETCURSOR          1
12502 #define TEXT_WRITECHAR          2
12503 #define TEXT_BACKSPACE          3
12504 #define TEXT_NEWLINE            4
12505 #define TEXT_END                5
12506 #define TEXT_QUERY_TYPING       6
12507
12508 static int DrawLevelText(int sx, int sy, char letter, int mode)
12509 {
12510   static short delete_buffer[MAX_LEV_FIELDX];
12511   static int start_sx;
12512   static int last_sx, last_sy;
12513   static boolean typing = FALSE;
12514   int letter_element = EL_CHAR_ASCII0 + letter;
12515   int lx = 0, ly = 0;
12516
12517   // map lower case letters to upper case and convert special characters
12518   if (letter >= 'a' && letter <= 'z')
12519     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
12520   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
12521     letter_element = EL_CHAR_AUMLAUT;
12522   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
12523     letter_element = EL_CHAR_OUMLAUT;
12524   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
12525     letter_element = EL_CHAR_UUMLAUT;
12526   else if (letter == '^')
12527     letter_element = EL_CHAR_COPYRIGHT;
12528   else
12529     letter_element = EL_CHAR_ASCII0 + letter;
12530
12531   if (mode != TEXT_INIT)
12532   {
12533     if (!typing)
12534       return FALSE;
12535
12536     if (mode != TEXT_SETCURSOR)
12537     {
12538       sx = last_sx;
12539       sy = last_sy;
12540     }
12541
12542     lx = last_sx + level_xpos;
12543     ly = last_sy + level_ypos;
12544   }
12545
12546   switch (mode)
12547   {
12548     case TEXT_INIT:
12549       if (typing)
12550         DrawLevelText(0, 0, 0, TEXT_END);
12551
12552       typing = TRUE;
12553       start_sx = sx;
12554       last_sx = sx;
12555       last_sy = sy;
12556       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
12557       break;
12558
12559     case TEXT_SETCURSOR:
12560       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
12561       DrawAreaBorder(sx, sy, sx, sy);
12562       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
12563                      ed_tilesize, ed_tilesize);
12564       last_sx = sx;
12565       last_sy = sy;
12566       break;
12567
12568     case TEXT_WRITECHAR:
12569       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12570       {
12571         if (new_element1 >= EL_STEEL_CHAR_START &&
12572             new_element1 <= EL_STEEL_CHAR_END)
12573           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12574
12575         delete_buffer[sx - start_sx] = Tile[lx][ly];
12576         Tile[lx][ly] = letter_element;
12577
12578         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12579           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12580         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12581           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12582         else
12583           DrawLevelText(0, 0, 0, TEXT_END);
12584
12585         level.changed = TRUE;
12586       }
12587       break;
12588
12589     case TEXT_BACKSPACE:
12590       if (sx > start_sx)
12591       {
12592         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12593         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
12594         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12595       }
12596       break;
12597
12598     case TEXT_NEWLINE:
12599       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12600         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12601       else
12602         DrawLevelText(0, 0, 0, TEXT_END);
12603       break;
12604
12605     case TEXT_END:
12606       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12607       DrawEditorElement(sx, sy, Tile[lx][ly]);
12608       StopTextInput();
12609       typing = FALSE;
12610       break;
12611
12612     case TEXT_QUERY_TYPING:
12613       break;
12614
12615     default:
12616       break;
12617   }
12618
12619   return typing;
12620 }
12621
12622 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12623                           int element, boolean change_level)
12624 {
12625   int lx = sx + level_xpos;
12626   int ly = sy + level_ypos;
12627
12628   if (element == -1)
12629     DrawEditorElement(sx, sy, Tile[lx][ly]);
12630   else
12631     DrawAreaBorder(sx, sy, sx, sy);
12632 }
12633
12634 static void CheckLevelBorderElement(boolean redraw_playfield)
12635 {
12636   int last_border_element = BorderElement;
12637
12638   SetBorderElement();
12639
12640   if (redraw_playfield && BorderElement != last_border_element)
12641     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12642 }
12643
12644 static void CopyLevelToUndoBuffer(int mode)
12645 {
12646   static boolean accumulated_undo = FALSE;
12647   boolean new_undo_buffer_position = TRUE;
12648   int x, y;
12649
12650   if (undo_buffer_steps == 0)
12651     accumulated_undo = FALSE;
12652
12653   switch (mode)
12654   {
12655     case UNDO_IMMEDIATE:
12656       accumulated_undo = FALSE;
12657       break;
12658
12659     case UNDO_ACCUMULATE:
12660       if (accumulated_undo)
12661         new_undo_buffer_position = FALSE;
12662       accumulated_undo = TRUE;
12663       break;
12664
12665     default:
12666       break;
12667   }
12668
12669   if (new_undo_buffer_position)
12670   {
12671     // advance position in undo buffer ring
12672     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12673
12674     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12675       undo_buffer_steps++;
12676   }
12677
12678   // always reset redo buffer when storing level change into undo buffer
12679   redo_buffer_steps = 0;
12680
12681   for (x = 0; x < lev_fieldx; x++)
12682     for (y = 0; y < lev_fieldy; y++)
12683       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
12684
12685   // check if drawing operation forces change of border style
12686   CheckLevelBorderElement(TRUE);
12687
12688   level.changed = TRUE;
12689 }
12690
12691 static void RandomPlacement(int new_element)
12692 {
12693   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12694   int num_free_positions = 0;
12695   int num_percentage, num_elements;
12696   int x, y;
12697
12698   ResetIntelliDraw();
12699
12700   // determine number of free positions for randomly placing the new element
12701   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12702   {
12703     free_position[x][y] =
12704       (random_placement_background_restricted ?
12705        Tile[x][y] == random_placement_background_element :
12706        Tile[x][y] != new_element);
12707
12708     if (free_position[x][y])
12709       num_free_positions++;
12710   }
12711
12712   // determine number of new elements to place there
12713   num_percentage = num_free_positions * random_placement_value / 100;
12714   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12715                   num_percentage : random_placement_value);
12716
12717   // if less free positions than elements to place, fill all these positions
12718   if (num_free_positions < num_elements)
12719   {
12720     for (x = 0; x < lev_fieldx; x++)
12721       for (y = 0; y < lev_fieldy; y++)
12722         if (free_position[x][y])
12723           SetElement(x, y, new_element);
12724   }
12725   else
12726   {
12727     while (num_elements > 0)
12728     {
12729       x = GetSimpleRandom(lev_fieldx);
12730       y = GetSimpleRandom(lev_fieldy);
12731
12732       // don't place element at the same position twice
12733       if (free_position[x][y])
12734       {
12735         free_position[x][y] = FALSE;
12736         SetElement(x, y, new_element);
12737         num_elements--;
12738       }
12739     }
12740   }
12741
12742   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12743   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12744 }
12745
12746 static void WrapLevel(int dx, int dy)
12747 {
12748   int wrap_dx = lev_fieldx - dx;
12749   int wrap_dy = lev_fieldy - dy;
12750   int x, y;
12751
12752   for (x = 0; x < lev_fieldx; x++)
12753     for (y = 0; y < lev_fieldy; y++)
12754       TileBackup[x][y] = Tile[x][y];
12755
12756   for (x = 0; x < lev_fieldx; x++)
12757     for (y = 0; y < lev_fieldy; y++)
12758       Tile[x][y] =
12759         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12760
12761   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12762   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12763 }
12764
12765 static void DrawAreaElementHighlight(boolean highlighted)
12766 {
12767   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12768
12769   if (!highlighted)
12770     return;
12771
12772   int x, y;
12773
12774   for (x = 0; x < ed_fieldx; x++)
12775   {
12776     for (y = 0; y < ed_fieldy; y++)
12777     {
12778       int lx = x + level_xpos;
12779       int ly = y + level_ypos;
12780
12781       if (!IN_LEV_FIELD(lx, ly))
12782         continue;
12783
12784       if (Tile[lx][ly] != new_element1)
12785         continue;
12786
12787       int sx = SX + x * ed_tilesize;
12788       int sy = SY + y * ed_tilesize;
12789       int from_sx = sx;
12790       int from_sy = sy;
12791       int to_sx = sx + ed_tilesize - 1;
12792       int to_sy = sy + ed_tilesize - 1;
12793
12794       DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
12795       DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
12796       DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
12797       DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
12798     }
12799   }
12800 }
12801
12802 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
12803 {
12804   char *template_filename_old = getLocalLevelTemplateFilename();
12805   char *template_filename_new =
12806     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
12807
12808   if (copyFile(template_filename_old, template_filename_new) != 0)
12809     Request("Cannot copy level template!", REQ_CONFIRM);
12810
12811   free(template_filename_new);
12812 }
12813
12814 static void HandleDrawingAreas(struct GadgetInfo *gi)
12815 {
12816   static boolean started_inside_drawing_area = FALSE;
12817   static int last_sx = -1, last_sy = -1;
12818   static int last_sx2 = -1, last_sy2 = -1;
12819   int id = gi->custom_id;
12820   int type_id = gi->custom_type_id;
12821   boolean button_press_event;
12822   boolean button_release_event;
12823   boolean inside_drawing_area = !gi->event.off_borders;
12824   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12825   int actual_drawing_function;
12826   int button = gi->event.button;
12827   int new_element = BUTTON_ELEMENT(button);
12828   int sx = gi->event.x, sy = gi->event.y;
12829   int min_sx = 0, min_sy = 0;
12830   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12831   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12832   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12833   int sx2 = gi->event.mx / mini_item_xsize;
12834   int sy2 = gi->event.my / mini_item_ysize;
12835   int dx = sx2 % 2;
12836   int dy = sy2 % 2;
12837   int lx = 0, ly = 0;
12838   int min_lx = 0, min_ly = 0;
12839   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12840   int x, y;
12841
12842   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12843   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12844
12845   // make sure to stay inside drawing area boundaries
12846   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12847   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12848
12849   if (draw_level)
12850   {
12851     // get positions inside level field
12852     lx = sx + level_xpos;
12853     ly = sy + level_ypos;
12854
12855     if (!IN_LEV_FIELD(lx, ly))
12856       inside_drawing_area = FALSE;
12857
12858     // make sure to stay inside level field boundaries
12859     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12860     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12861
12862     // correct drawing area positions accordingly
12863     sx = lx - level_xpos;
12864     sy = ly - level_ypos;
12865   }
12866
12867   // also correct MM wall-sized (double) drawing area positions accordingly
12868   if (sx2 / 2 < sx || sx2 / 2 > sx)
12869   {
12870     dx = (sx2 / 2 < sx ? 0 : 1);
12871     sx2 = sx * 2 + dx;
12872   }
12873   if (sy2 / 2 < sy || sy2 / 2 > sy)
12874   {
12875     dy = (sy2 / 2 < sy ? 0 : 1);
12876     sy2 = sy * 2 + dy;
12877   }
12878
12879   if (button_release_event)
12880   {
12881     last_sx = -1;
12882     last_sy = -1;
12883     last_sx2 = -1;
12884     last_sy2 = -1;
12885   }
12886   else if (!button_press_event)
12887   {
12888     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
12889     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
12890                              isHiresTileElement(old_element) &&
12891                              isHiresDrawElement(new_element));
12892
12893     // prevent handling events for every pixel position when moving mouse
12894     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
12895         (sx2 == last_sx2 && sy2 == last_sy2))
12896       return;
12897   }
12898
12899   last_sx = sx;
12900   last_sy = sy;
12901   last_sx2 = sx2;
12902   last_sy2 = sy2;
12903
12904   if (button_press_event)
12905     started_inside_drawing_area = inside_drawing_area;
12906
12907   if (!started_inside_drawing_area)
12908     return;
12909
12910   if (!IS_VALID_BUTTON(button))
12911     return;
12912
12913   if (!button && !button_release_event)
12914     return;
12915
12916   // handle info callback for each invocation of action callback
12917   gi->callback_info(gi);
12918
12919   // automatically switch to 'single item' drawing mode, if needed
12920   actual_drawing_function =
12921     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12922      drawing_function : GADGET_ID_SINGLE_ITEMS);
12923
12924   // clicking into drawing area with pressed Control key picks element
12925   if (GetKeyModState() & KMOD_Control)
12926   {
12927     last_drawing_function = drawing_function;
12928     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12929   }
12930
12931   if (GetKeyModState() & KMOD_Shift)
12932   {
12933     if (button_press_event || button_release_event)
12934       ResetIntelliDraw();
12935   }
12936
12937   SetDrawModeHiRes(-1);         // reset to normal draw mode
12938
12939   switch (actual_drawing_function)
12940   {
12941     case GADGET_ID_SINGLE_ITEMS:
12942       if (draw_level)
12943       {
12944         if (button_release_event)
12945         {
12946           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12947
12948           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12949               !inside_drawing_area)
12950             DeleteBrushFromCursor();
12951         }
12952
12953         if (!button || button_release_event)
12954           break;
12955
12956         if (draw_with_brush)
12957         {
12958           CopyBrushToLevel(sx, sy, button);
12959         }
12960         else
12961         {
12962           SetDrawModeHiRes(new_element);
12963
12964           if (ELEM_IS_PLAYER(new_element))
12965           {
12966             // remove player at old position
12967             for (y = 0; y < lev_fieldy; y++)
12968             {
12969               for (x = 0; x < lev_fieldx; x++)
12970               {
12971                 int old_element = Tile[x][y];
12972
12973                 if (ELEM_IS_PLAYER(old_element))
12974                 {
12975                   int replaced_with_element =
12976                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
12977                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
12978
12979                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
12980                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
12981
12982                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
12983                      old_element == EL_PLAYER_1 ? EL_EMPTY :
12984
12985                      new_element >= EL_PLAYER_1 &&
12986                      new_element <= EL_PLAYER_4 &&
12987                      new_element == old_element ? EL_EMPTY :
12988
12989                      old_element);
12990
12991                   SetElement(x, y, replaced_with_element);
12992                 }
12993               }
12994             }
12995           }
12996
12997           SetElementButton(lx, ly, dx, dy, new_element, button);
12998         }
12999       }
13000       else if (!button_release_event)
13001       {
13002         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13003
13004         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
13005           DrawMiniGraphicExt(drawto,
13006                              gi->x + sx * MINI_TILEX,
13007                              gi->y + sy * MINI_TILEY,
13008                              el2edimg(new_element));
13009         else
13010           DrawFixedGraphicExt(drawto,
13011                               gi->x + sx * TILEX,
13012                               gi->y + sy * TILEY,
13013                               el2edimg(new_element), 0);
13014
13015         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13016           new_element = GFX_ELEMENT(new_element);
13017
13018         drawingarea_info[type_id].value[pos] = new_element;
13019
13020         CopyElementPropertiesToGame(properties_element);
13021
13022         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13023         {
13024           UpdateCustomElementGraphicGadgets();
13025
13026           FrameCounter = 0;     // restart animation frame counter
13027         }
13028       }
13029       break;
13030
13031     case GADGET_ID_CONNECTED_ITEMS:
13032       {
13033         static int last_sx = -1;
13034         static int last_sy = -1;
13035
13036         if (button_release_event)
13037           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13038
13039         if (button)
13040         {
13041           SetDrawModeHiRes(new_element);
13042
13043           if (getDrawModeHiRes())
13044           {
13045             sx = sx2;
13046             sy = sy2;
13047           }
13048
13049           if (!button_press_event)
13050             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
13051
13052           last_sx = sx;
13053           last_sy = sy;
13054         }
13055       }
13056       break;
13057
13058     case GADGET_ID_LINE:
13059     case GADGET_ID_ARC:
13060     case GADGET_ID_RECTANGLE:
13061     case GADGET_ID_FILLED_BOX:
13062       SetDrawModeHiRes(new_element);
13063
13064       if (getDrawModeHiRes())
13065       {
13066         sx = sx2;
13067         sy = sy2;
13068       }
13069       // FALLTHROUGH
13070     case GADGET_ID_GRAB_BRUSH:
13071     case GADGET_ID_TEXT:
13072       {
13073         static int last_sx = -1;
13074         static int last_sy = -1;
13075         static int start_sx = -1;
13076         static int start_sy = -1;
13077         void (*draw_func)(int, int, int, int, int, boolean);
13078
13079         if (drawing_function == GADGET_ID_LINE)
13080           draw_func = DrawLine;
13081         else if (drawing_function == GADGET_ID_ARC)
13082           draw_func = DrawArc;
13083         else if (drawing_function == GADGET_ID_RECTANGLE)
13084           draw_func = DrawBox;
13085         else if (drawing_function == GADGET_ID_FILLED_BOX)
13086           draw_func = DrawFilledBox;
13087         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
13088           draw_func = SelectArea;
13089         else // (drawing_function == GADGET_ID_TEXT)
13090           draw_func = SetTextCursor;
13091
13092         if (button_press_event)
13093         {
13094           draw_func(sx, sy, sx, sy, new_element, FALSE);
13095           start_sx = last_sx = sx;
13096           start_sy = last_sy = sy;
13097
13098           if (drawing_function == GADGET_ID_TEXT)
13099             DrawLevelText(0, 0, 0, TEXT_END);
13100         }
13101         else if (button_release_event)
13102         {
13103           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
13104           if (drawing_function == GADGET_ID_GRAB_BRUSH)
13105           {
13106             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
13107             CopyBrushToCursor(sx, sy);
13108             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13109                           MB_LEFTBUTTON);
13110             draw_with_brush = TRUE;
13111           }
13112           else if (drawing_function == GADGET_ID_TEXT)
13113             DrawLevelText(sx, sy, 0, TEXT_INIT);
13114           else
13115             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13116         }
13117         else if (last_sx != sx || last_sy != sy)
13118         {
13119           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
13120           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
13121             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
13122           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
13123           last_sx = sx;
13124           last_sy = sy;
13125         }
13126       }
13127       break;
13128
13129     case GADGET_ID_FLOOD_FILL:
13130       if (button_press_event && Tile[lx][ly] != new_element)
13131       {
13132         if (IS_MM_WALL_EDITOR(new_element))
13133           FloodFillWall_MM(sx2, sy2, new_element);
13134         else
13135           FloodFill(lx, ly, new_element);
13136
13137         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13138         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13139       }
13140       break;
13141
13142     case GADGET_ID_PICK_ELEMENT:
13143       if (button_release_event)
13144         ClickOnGadget(level_editor_gadget[last_drawing_function],
13145                       MB_LEFTBUTTON);
13146       else if (draw_level)
13147         PickDrawingElement(button, Tile[lx][ly]);
13148       else
13149       {
13150         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13151
13152         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
13153       }
13154
13155     default:
13156       break;
13157   }
13158
13159   // do not mark level as modified for certain non-level-changing gadgets
13160   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
13161        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
13162       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
13163       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13164     return;
13165
13166   level.changed = TRUE;
13167 }
13168
13169 static void HandleCounterButtons(struct GadgetInfo *gi)
13170 {
13171   int gadget_id = gi->custom_id;
13172   int counter_id = gi->custom_type_id;
13173   int button = gi->event.button;
13174   int *counter_value = counterbutton_info[counter_id].value;
13175   int step = BUTTON_STEPSIZE(button) *
13176     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
13177
13178   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13179   {
13180     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
13181     boolean released = (gi->event.type == GD_EVENT_RELEASED);
13182     boolean level_changed = LevelChanged();
13183
13184     if ((level_changed && pressed) || (!level_changed && released))
13185       return;
13186
13187     if (level_changed && !Request("Level has changed! Discard changes?",
13188                                   REQ_ASK))
13189     {
13190       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13191         ModifyEditorCounterValue(counter_id, *counter_value);
13192
13193       return;
13194     }
13195   }
13196
13197   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13198     *counter_value = gi->textinput.number_value;
13199   else
13200     ModifyEditorCounterValue(counter_id, *counter_value + step);
13201
13202   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13203   {
13204     int last_game_engine_type = level.game_engine_type;
13205
13206     LoadLevel(level_nr);
13207     LoadScore(level_nr);
13208
13209     SaveLevelSetup_SeriesInfo();
13210
13211     TapeErase();
13212
13213     ResetUndoBuffer();
13214     DrawEditModeWindow();
13215
13216     if (level.game_engine_type != last_game_engine_type)
13217     {
13218       // update element selection list
13219       ReinitializeElementList();
13220       ModifyEditorElementList();
13221     }
13222
13223     return;
13224   }
13225
13226   switch (counter_id)
13227   {
13228     case ED_COUNTER_ID_YAMYAM_CONTENT:
13229       DrawYamYamContentAreas();
13230       break;
13231
13232     case ED_COUNTER_ID_BALL_CONTENT:
13233       DrawMagicBallContentAreas();
13234       break;
13235
13236     case ED_COUNTER_ID_ANDROID_CONTENT:
13237       DrawAndroidElementArea(properties_element);
13238       break;
13239
13240     case ED_COUNTER_ID_GROUP_CONTENT:
13241       DrawGroupElementArea(properties_element);
13242       CopyGroupElementPropertiesToGame(properties_element);
13243       break;
13244
13245     case ED_COUNTER_ID_INVENTORY_SIZE:
13246       DrawPlayerInitialInventoryArea(properties_element);
13247       break;
13248
13249     case ED_COUNTER_ID_ENVELOPE_XSIZE:
13250     case ED_COUNTER_ID_ENVELOPE_YSIZE:
13251       DrawEnvelopeTextArea(-1);
13252       break;
13253
13254     case ED_COUNTER_ID_LEVEL_XSIZE:
13255     case ED_COUNTER_ID_LEVEL_YSIZE:
13256       lev_fieldx = level.fieldx;
13257       lev_fieldy = level.fieldy;
13258
13259       // check if resizing of level results in change of border border
13260       SetBorderElement();
13261
13262       break;
13263
13264     default:
13265       break;
13266   }
13267
13268   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
13269        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
13270       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
13271        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
13272     CopyElementPropertiesToGame(properties_element);
13273
13274   // do not mark level as modified for certain non-level-changing gadgets
13275   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
13276        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
13277       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
13278        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
13279     return;
13280
13281   level.changed = TRUE;
13282 }
13283
13284 static void HandleTextInputGadgets(struct GadgetInfo *gi)
13285 {
13286   int type_id = gi->custom_type_id;
13287
13288   strcpy(textinput_info[type_id].value, gi->textinput.value);
13289
13290   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
13291   {
13292     CopyElementPropertiesToGame(properties_element);
13293
13294     ModifyEditorElementList();  // update changed button info text
13295   }
13296
13297   // do not mark level as modified for certain non-level-changing gadgets
13298   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
13299       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
13300     return;
13301
13302   level.changed = TRUE;
13303 }
13304
13305 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
13306 {
13307   int type_id = gi->custom_type_id;
13308
13309   strncpy(textarea_info[type_id].value, gi->textarea.value,
13310           MAX_ENVELOPE_TEXT_LEN);
13311   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
13312
13313   level.changed = TRUE;
13314 }
13315
13316 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
13317 {
13318   int type_id = gi->custom_type_id;
13319   int value_old = *selectbox_info[type_id].value;
13320   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
13321
13322   *selectbox_info[type_id].value = value_new;
13323
13324   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
13325   {
13326     DrawLevelInfoWindow();
13327   }
13328   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13329   {
13330     element_info[properties_element].current_change_page = gi->selectbox.index;
13331
13332     DrawPropertiesWindow();
13333   }
13334   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
13335             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
13336            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
13337             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
13338            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
13339   {
13340     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
13341     {
13342       // when changing action type, also check action mode and action arg
13343       if (value_old != value_new)
13344         setSelectboxSpecialActionVariablesIfNeeded();
13345
13346       DrawPropertiesChange();
13347     }
13348
13349     CopyElementPropertiesToGame(properties_element);
13350   }
13351   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
13352   {
13353     // update element selection list
13354     ReinitializeElementList();
13355     ModifyEditorElementList();
13356   }
13357
13358   // do not mark level as modified for certain non-level-changing gadgets
13359   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
13360       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13361     return;
13362
13363   level.changed = TRUE;
13364 }
13365
13366 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
13367 {
13368   int type_id = gi->custom_type_id;
13369   int i;
13370
13371   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
13372       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
13373   {
13374     edit_mode_levelinfo = gi->custom_type_id;
13375
13376     DrawLevelInfoWindow();
13377   }
13378   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
13379            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
13380   {
13381     edit_mode_properties = gi->custom_type_id;
13382
13383     DrawPropertiesWindow();
13384   }
13385   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
13386            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
13387   {
13388     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
13389
13390     // backup original "level.field" (needed to track playfield changes)
13391     CopyPlayfield(level.field, TileBackup);
13392
13393     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
13394     CopyPlayfield(Tile, level.field);
13395
13396     if (new_template ||
13397         Request("Save this template and kill the old?", REQ_ASK))
13398       SaveLevelTemplate();
13399
13400     if (new_template)
13401       Request("Template saved!", REQ_CONFIRM);
13402
13403     // restore original "level.field" (needed to track playfield changes)
13404     CopyPlayfield(TileBackup, level.field);
13405   }
13406   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
13407   {
13408     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
13409
13410     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
13411         leveldir_current->readonly)
13412     {
13413       Request("This level set is read-only!", REQ_CONFIRM);
13414
13415       return;
13416     }
13417
13418     if (strEqual(levelset_name, ""))
13419     {
13420       Request("Please enter level set title!", REQ_CONFIRM);
13421
13422       return;
13423     }
13424
13425     if (strEqual(levelset_author, ""))
13426     {
13427       Request("Please enter level set author!", REQ_CONFIRM);
13428
13429       return;
13430     }
13431
13432     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
13433     {
13434       if (UpdateUserLevelSet(levelset_subdir,
13435                              levelset_name,
13436                              levelset_author,
13437                              levelset_num_levels))
13438       {
13439         Request("Level set updated!", REQ_CONFIRM);
13440       }
13441       else
13442       {
13443         Request("Updating level set failed!", REQ_CONFIRM);
13444       }
13445     }
13446     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
13447     {
13448       if (level.changed && !Request("Level has changed! Discard changes?",
13449                                      REQ_ASK))
13450         return;
13451
13452       if (CreateUserLevelSet(levelset_subdir,
13453                              levelset_name,
13454                              levelset_author,
13455                              levelset_num_levels,
13456                              levelset_use_levelset_artwork))
13457       {
13458         if (levelset_copy_level_template)
13459           CopyLevelTemplateToUserLevelSet(levelset_subdir);
13460
13461         Request("New level set created!", REQ_CONFIRM);
13462
13463         AddUserLevelSetToLevelInfo(levelset_subdir);
13464         ChangeEditorToLevelSet(levelset_subdir);
13465       }
13466       else
13467       {
13468         Request("Creating new level set failed!", REQ_CONFIRM);
13469       }
13470     }
13471   }
13472   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
13473            custom_element.num_change_pages < MAX_CHANGE_PAGES)
13474   {
13475     struct ElementInfo *ei = &element_info[properties_element];
13476
13477     // when modifying custom element, ask for copying level template
13478     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13479       return;
13480
13481     setElementChangePages(ei, ei->num_change_pages + 1);
13482
13483     // set new change page to be new current change page
13484     ei->current_change_page = ei->num_change_pages - 1;
13485     ei->change = &ei->change_page[ei->current_change_page];
13486
13487     setElementChangeInfoToDefaults(ei->change);
13488
13489     DrawPropertiesWindow();
13490
13491     level.changed = TRUE;
13492   }
13493   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
13494            custom_element.num_change_pages > MIN_CHANGE_PAGES)
13495   {
13496     struct ElementInfo *ei = &element_info[properties_element];
13497
13498     // when modifying custom element, ask for copying level template
13499     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13500       return;
13501
13502     // copy all change pages after change page to be deleted
13503     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
13504       ei->change_page[i] = ei->change_page[i + 1];
13505
13506     setElementChangePages(ei, ei->num_change_pages - 1);
13507
13508     DrawPropertiesWindow();
13509
13510     level.changed = TRUE;
13511   }
13512 }
13513
13514 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
13515 {
13516   int type_id = gi->custom_type_id;
13517
13518   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
13519       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
13520   {
13521     struct ElementInfo *ei = &element_info[properties_element];
13522     int step = BUTTON_STEPSIZE(gi->event.button);
13523
13524     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
13525     ei->current_change_page += step;
13526
13527     if (ei->current_change_page < 0)
13528       ei->current_change_page = 0;
13529     else if (ei->current_change_page >= ei->num_change_pages)
13530       ei->current_change_page = ei->num_change_pages - 1;
13531
13532     DrawPropertiesWindow();
13533   }
13534   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
13535            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13536   {
13537     struct ElementInfo *ei = &element_info[properties_element];
13538     int current_change_page = ei->current_change_page;
13539
13540     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
13541     {
13542       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
13543         ei->change_page[current_change_page];
13544     }
13545     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13546     {
13547       // when modifying custom element, ask for copying level template
13548       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13549         return;
13550
13551       ei->change_page[current_change_page] =
13552         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
13553
13554       level.changed = TRUE;
13555     }
13556
13557     DrawPropertiesWindow();
13558   }
13559 }
13560
13561 static void HandleRadiobuttons(struct GadgetInfo *gi)
13562 {
13563   int type_id = gi->custom_type_id;
13564
13565   *radiobutton_info[type_id].value =
13566     radiobutton_info[type_id].checked_value;
13567
13568   // do not mark level as modified for certain non-level-changing gadgets
13569   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
13570       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
13571     return;
13572
13573   level.changed = TRUE;
13574 }
13575
13576 static void HandleCheckbuttons(struct GadgetInfo *gi)
13577 {
13578   int type_id = gi->custom_type_id;
13579
13580   *checkbutton_info[type_id].value ^= TRUE;
13581
13582   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
13583       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
13584       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
13585       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
13586          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
13587         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
13588          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
13589        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
13590   {
13591     CopyElementPropertiesToGame(properties_element);
13592   }
13593
13594   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
13595   {
13596     UpdateCustomElementGraphicGadgets();
13597   }
13598   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
13599            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
13600   {
13601     boolean template_related_changes_found = FALSE;
13602     int i;
13603
13604     // check if any custom or group elements have been changed
13605     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13606       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
13607           element_info[i].modified_settings)
13608         template_related_changes_found = TRUE;
13609
13610     if (level.use_custom_template &&
13611         !fileExists(getGlobalLevelTemplateFilename()))
13612     {
13613       Request("No level template found!", REQ_CONFIRM);
13614
13615       level.use_custom_template = FALSE;
13616
13617       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13618
13619       return;
13620     }
13621
13622     if (level.use_custom_template &&
13623         template_related_changes_found &&
13624         !Request("Discard changes and use level template?", REQ_ASK))
13625     {
13626       level.use_custom_template = FALSE;
13627
13628       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13629
13630       return;
13631     }
13632
13633     if (!level.use_custom_template &&
13634         Request("Copy settings from level template?", REQ_ASK))
13635     {
13636       return;
13637     }
13638
13639     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
13640
13641     DrawEditModeWindow();
13642   }
13643   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
13644   {
13645     if (setup.editor.use_template_for_new_levels &&
13646         !fileExists(getGlobalLevelTemplateFilename()))
13647     {
13648       Request("No level template found!", REQ_CONFIRM);
13649
13650       return;
13651     }
13652
13653     if (setup.editor.use_template_for_new_levels &&
13654         level.changed &&
13655         !Request("Discard level and load template?", REQ_ASK))
13656     {
13657       return;
13658     }
13659
13660     if (!setup.editor.use_template_for_new_levels &&
13661         level.changed &&
13662         !Request("Discard level and use empty level?", REQ_ASK))
13663     {
13664       return;
13665     }
13666
13667     LoadLevel(level_nr);
13668     LoadScore(level_nr);
13669
13670     TapeErase();
13671
13672     ResetUndoBuffer();
13673     DrawEditModeWindow();
13674   }
13675   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13676   {
13677     SetAutomaticNumberOfGemsNeeded();
13678   }
13679
13680   // do not mark level as modified for certain non-level-changing gadgets
13681   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
13682        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
13683       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13684        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
13685        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
13686       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13687     return;
13688
13689   level.changed = TRUE;
13690 }
13691
13692 static void HandleControlButtons(struct GadgetInfo *gi)
13693 {
13694   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13695   static int last_edit_mode = ED_MODE_DRAWING;
13696   static int last_custom_copy_mode = -1;
13697   static int last_button = 0;
13698   int id = gi->custom_id;
13699   int button = gi->event.button;
13700   int step = BUTTON_STEPSIZE(button);
13701   int new_element = BUTTON_ELEMENT(button);
13702   int last_properties_element = properties_element;
13703   int x, y;
13704
13705   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13706     DrawLevelText(0, 0, 0, TEXT_END);
13707
13708   if (id < ED_NUM_CTRL1_BUTTONS &&
13709       id != GADGET_ID_SINGLE_ITEMS &&
13710       id != GADGET_ID_PICK_ELEMENT &&
13711       edit_mode != ED_MODE_DRAWING &&
13712       drawing_function != GADGET_ID_PICK_ELEMENT &&
13713       !(GetKeyModState() & KMOD_Control))
13714     ChangeEditModeWindow(ED_MODE_DRAWING);
13715
13716   // element copy mode active, but no element button pressed => deactivate
13717   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13718     last_custom_copy_mode = -1;
13719
13720   // when showing palette on element buttons, change element of button used
13721   if (editor.palette.show_on_element_buttons &&
13722       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13723   {
13724     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13725
13726     id = GADGET_ID_PALETTE;
13727   }
13728
13729   switch (id)
13730   {
13731     case GADGET_ID_SCROLL_LEFT:
13732       if (level_xpos >= 0)
13733       {
13734         if (lev_fieldx < ed_fieldx - 2)
13735           break;
13736
13737         level_xpos -= step;
13738         if (level_xpos < -1)
13739           level_xpos = -1;
13740         if (button == 1)
13741           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13742         else
13743           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13744
13745         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13746                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13747       }
13748       break;
13749
13750     case GADGET_ID_SCROLL_RIGHT:
13751       if (level_xpos <= lev_fieldx - ed_fieldx)
13752       {
13753         if (lev_fieldx < ed_fieldx - 2)
13754           break;
13755
13756         level_xpos += step;
13757         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13758           level_xpos = lev_fieldx - ed_fieldx + 1;
13759         if (button == 1)
13760           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13761         else
13762           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13763
13764         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13765                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13766       }
13767       break;
13768
13769     case GADGET_ID_SCROLL_UP:
13770       if (level_ypos >= 0)
13771       {
13772         if (lev_fieldy < ed_fieldy - 2)
13773           break;
13774
13775         level_ypos -= step;
13776         if (level_ypos < -1)
13777           level_ypos = -1;
13778         if (button == 1)
13779           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13780         else
13781           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13782
13783         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13784                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13785       }
13786       break;
13787
13788     case GADGET_ID_SCROLL_DOWN:
13789       if (level_ypos <= lev_fieldy - ed_fieldy)
13790       {
13791         if (lev_fieldy < ed_fieldy - 2)
13792           break;
13793
13794         level_ypos += step;
13795         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13796           level_ypos = lev_fieldy - ed_fieldy + 1;
13797         if (button == 1)
13798           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13799         else
13800           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13801
13802         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13803                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13804       }
13805       break;
13806
13807     case GADGET_ID_SCROLL_HORIZONTAL:
13808       level_xpos = gi->event.item_position - 1;
13809
13810       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13811       BackToFront();
13812
13813       break;
13814
13815     case GADGET_ID_SCROLL_VERTICAL:
13816       level_ypos = gi->event.item_position - 1;
13817
13818       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13819       BackToFront();
13820
13821       break;
13822
13823     case GADGET_ID_SCROLL_LIST_UP:
13824     case GADGET_ID_SCROLL_LIST_DOWN:
13825     case GADGET_ID_SCROLL_LIST_VERTICAL:
13826       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13827         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13828       else
13829       {
13830         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13831         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13832
13833         if (element_shift < 0)
13834           element_shift = 0;
13835         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13836           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13837
13838         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13839                      GDI_SCROLLBAR_ITEM_POSITION,
13840                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13841       }
13842
13843       ModifyEditorElementList();
13844
13845       break;
13846
13847     case GADGET_ID_PROPERTIES:
13848       // always switch off element properties when they are already displayed
13849       last_properties_element = new_element;
13850     case GADGET_ID_ELEMENT_LEFT:
13851     case GADGET_ID_ELEMENT_MIDDLE:
13852     case GADGET_ID_ELEMENT_RIGHT:
13853       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13854                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13855                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13856                             new_element);
13857
13858       if (edit_mode != ED_MODE_PROPERTIES)
13859       {
13860         last_edit_mode = edit_mode;
13861
13862         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13863
13864         last_level_drawing_function = drawing_function;
13865         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13866                       MB_LEFTBUTTON);
13867       }
13868       else if (properties_element != last_properties_element)
13869       {
13870         DrawEditModeWindow();
13871       }
13872       else
13873       {
13874         ChangeEditModeWindow(ED_MODE_DRAWING);
13875
13876         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13877                       MB_LEFTBUTTON);
13878       }
13879       break;
13880
13881     case GADGET_ID_PALETTE:
13882       if (edit_mode != ED_MODE_PALETTE)
13883       {
13884         last_edit_mode = edit_mode;
13885
13886         ChangeEditModeWindow(ED_MODE_PALETTE);
13887       }
13888       else
13889       {
13890         ChangeEditModeWindow(last_edit_mode);
13891       }
13892       break;
13893
13894     case GADGET_ID_WRAP_LEFT:
13895       WrapLevel(-step, 0);
13896       break;
13897
13898     case GADGET_ID_WRAP_RIGHT:
13899       WrapLevel(step, 0);
13900       break;
13901
13902     case GADGET_ID_WRAP_UP:
13903       WrapLevel(0, -step);
13904       break;
13905
13906     case GADGET_ID_WRAP_DOWN:
13907       WrapLevel(0, step);
13908       break;
13909
13910     case GADGET_ID_SINGLE_ITEMS:
13911     case GADGET_ID_CONNECTED_ITEMS:
13912     case GADGET_ID_LINE:
13913     case GADGET_ID_ARC:
13914     case GADGET_ID_TEXT:
13915     case GADGET_ID_RECTANGLE:
13916     case GADGET_ID_FILLED_BOX:
13917     case GADGET_ID_FLOOD_FILL:
13918     case GADGET_ID_GRAB_BRUSH:
13919     case GADGET_ID_PICK_ELEMENT:
13920       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13921         last_drawing_function = drawing_function;
13922       drawing_function = id;
13923       draw_with_brush = FALSE;
13924       break;
13925
13926     case GADGET_ID_RANDOM_PLACEMENT:
13927       RandomPlacement(new_element);
13928       break;
13929
13930     case GADGET_ID_ZOOM:
13931       // zoom level editor tile size in or out (or reset to default size)
13932       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13933                      button == 2 ? ed_tilesize_default :
13934                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13935
13936       // when using touch device, cycle through all zoom tilesizes
13937       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
13938         ed_tilesize = MICRO_TILESIZE;
13939
13940       // limit zoom level by upper and lower bound
13941       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13942
13943       InitZoomLevelSettings(ed_tilesize);
13944
13945       if (edit_mode == ED_MODE_DRAWING)
13946       {
13947         DrawDrawingWindow();
13948
13949         // redraw zoom gadget info text
13950         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13951       }
13952
13953       // save current editor zoom tilesize
13954       SaveSetup_AutoSetup();
13955
13956       break;
13957
13958     case GADGET_ID_CUSTOM_COPY_FROM:
13959     case GADGET_ID_CUSTOM_COPY_TO:
13960     case GADGET_ID_CUSTOM_EXCHANGE:
13961       last_custom_copy_mode = id;
13962       last_drawing_function = drawing_function;
13963       break;
13964
13965     case GADGET_ID_CUSTOM_COPY:
13966       CopyCustomElement(properties_element, -1, id);
13967       break;
13968
13969     case GADGET_ID_CUSTOM_PASTE:
13970       CopyCustomElement(-1, properties_element, id);
13971       break;
13972
13973     case GADGET_ID_UNDO:
13974       if (button < 0)   // keep button value (even if modifier keys are pressed)
13975         button = -button;
13976       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
13977         button = 3;
13978
13979       if (button == 1 && undo_buffer_steps == 0)
13980       {
13981         Request("Undo buffer empty!", REQ_CONFIRM);
13982
13983         break;
13984       }
13985       else if (button == 2)
13986       {
13987         break;
13988       }
13989       else if (button == 3 && redo_buffer_steps == 0)
13990       {
13991         Request("Redo buffer empty!", REQ_CONFIRM);
13992
13993         break;
13994       }
13995
13996       if (edit_mode != ED_MODE_DRAWING)
13997         ChangeEditModeWindow(ED_MODE_DRAWING);
13998
13999       if (button == 1)
14000       {
14001         // undo
14002
14003         undo_buffer_position =
14004           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
14005
14006         undo_buffer_steps--;
14007         redo_buffer_steps++;
14008       }
14009       else
14010       {
14011         // redo
14012
14013         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14014
14015         undo_buffer_steps++;
14016         redo_buffer_steps--;
14017       }
14018
14019       for (x = 0; x < lev_fieldx; x++)
14020         for (y = 0; y < lev_fieldy; y++)
14021           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
14022
14023       // check if undo operation forces change of border style
14024       CheckLevelBorderElement(FALSE);
14025
14026       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14027
14028       break;
14029
14030     case GADGET_ID_INFO:
14031       if (edit_mode != ED_MODE_INFO)
14032       {
14033         last_edit_mode = edit_mode;
14034
14035         ChangeEditModeWindow(ED_MODE_INFO);
14036       }
14037       else
14038       {
14039         ChangeEditModeWindow(ED_MODE_DRAWING);
14040       }
14041       break;
14042
14043     case GADGET_ID_CLEAR:
14044       if (edit_mode != ED_MODE_DRAWING)
14045         ChangeEditModeWindow(ED_MODE_DRAWING);
14046
14047       for (x = 0; x < MAX_LEV_FIELDX; x++)
14048         for (y = 0; y < MAX_LEV_FIELDY; y++)
14049           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
14050
14051       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
14052
14053       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14054       break;
14055
14056     case GADGET_ID_SAVE:
14057     {
14058       // saving read-only levels into personal level set modifies global vars
14059       // "leveldir_current" and "level_nr"; restore them after saving level
14060       LevelDirTree *leveldir_former = leveldir_current;
14061       int level_nr_former = level_nr;
14062       char *level_filename;
14063       boolean new_level;
14064
14065       if (leveldir_current->readonly &&
14066           !PrepareSavingIntoPersonalLevelSet())
14067         break;
14068
14069       level_filename = getDefaultLevelFilename(level_nr);
14070       new_level = !fileExists(level_filename);
14071
14072       if (new_level ||
14073           Request("Save this level and kill the old?", REQ_ASK))
14074       {
14075         if (leveldir_former->readonly)
14076           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
14077
14078         SetAutomaticNumberOfGemsNeeded();
14079
14080         CopyPlayfield(Tile, level.field);
14081         SaveLevel(level_nr);
14082
14083         level.changed = FALSE;
14084
14085         if (new_level)
14086         {
14087           char level_saved_msg[64];
14088
14089           if (leveldir_former->readonly)
14090             sprintf(level_saved_msg,
14091                     "Level saved as level %d into personal level set!",
14092                     level_nr);
14093           else
14094             strcpy(level_saved_msg, "Level saved!");
14095
14096           Request(level_saved_msg, REQ_CONFIRM);
14097         }
14098       }
14099
14100       // "cd" back to copied-from levelset (in case of saved read-only level)
14101       leveldir_current = leveldir_former;
14102       level_nr = level_nr_former;
14103
14104       break;
14105     }
14106
14107     case GADGET_ID_TEST:
14108       if (LevelChanged())
14109         level.game_version = GAME_VERSION_ACTUAL;
14110
14111       CopyPlayfield(level.field, TileBackup);
14112       CopyPlayfield(Tile, level.field);
14113
14114       CopyNativeLevel_RND_to_Native(&level);
14115
14116       UnmapLevelEditorGadgets();
14117       UndrawSpecialEditorDoor();
14118
14119       CloseDoor(DOOR_CLOSE_ALL);
14120
14121       // needed before playing if editor playfield area has different size
14122       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
14123
14124       // redraw_mask = REDRAW_ALL;
14125
14126       level_editor_test_game = TRUE;
14127
14128       StartGameActions(FALSE, setup.autorecord, level.random_seed);
14129
14130       break;
14131
14132     case GADGET_ID_EXIT:
14133       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
14134       break;
14135
14136     default:
14137       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
14138           id <= GADGET_ID_ELEMENTLIST_LAST)
14139       {
14140         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
14141         int new_element = editor_elements[element_position + element_shift];
14142
14143         if (IS_EDITOR_CASCADE(new_element))
14144         {
14145           int i;
14146
14147           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
14148           {
14149             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
14150             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
14151
14152             if (*cascade_element == new_element)
14153             {
14154               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
14155               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
14156
14157               // update element selection list
14158               ReinitializeElementList();
14159               ModifyEditorElementList();
14160
14161               // update cascading gadget info text
14162               PrintEditorGadgetInfoText(level_editor_gadget[id]);
14163
14164               // save current editor cascading state
14165               SaveSetup_EditorCascade();
14166
14167               break;
14168             }
14169           }
14170
14171           break;
14172         }
14173
14174         if (last_custom_copy_mode != -1)
14175         {
14176           if (CopyCustomElement(properties_element, new_element,
14177                                 last_custom_copy_mode))
14178           {
14179             ClickOnGadget(level_editor_gadget[last_drawing_function],
14180                           MB_LEFTBUTTON);
14181
14182             last_custom_copy_mode = -1;
14183           }
14184
14185           break;
14186         }
14187
14188         // change element of button used to show palette
14189         if (editor.palette.show_on_element_buttons)
14190           button = last_button;
14191
14192         PickDrawingElement(button, new_element);
14193
14194         if (!stick_element_properties_window &&
14195             drawing_function != GADGET_ID_PICK_ELEMENT &&
14196             !(GetKeyModState() & KMOD_Control))
14197         {
14198           properties_element = new_element;
14199           if (edit_mode == ED_MODE_PROPERTIES)
14200             DrawPropertiesWindow();
14201         }
14202
14203         if (drawing_function == GADGET_ID_PICK_ELEMENT)
14204           ClickOnGadget(level_editor_gadget[last_drawing_function],
14205                         MB_LEFTBUTTON);
14206
14207         if (!use_permanent_palette)
14208           ChangeEditModeWindow(last_edit_mode);
14209       }
14210 #ifdef DEBUG
14211       else if (gi->event.type == GD_EVENT_PRESSED)
14212         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
14213       else if (gi->event.type == GD_EVENT_RELEASED)
14214         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
14215       else if (gi->event.type == GD_EVENT_MOVING)
14216         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
14217       else
14218         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
14219 #endif
14220       break;
14221   }
14222 }
14223
14224 void HandleLevelEditorKeyInput(Key key)
14225 {
14226   char letter = getCharFromKey(key);
14227
14228   if (drawing_function == GADGET_ID_TEXT &&
14229       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
14230   {
14231     if (letter)
14232       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
14233     else if (key == KSYM_Delete || key == KSYM_BackSpace)
14234       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
14235     else if (key == KSYM_Return)
14236       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
14237     else if (key == KSYM_Escape)
14238       DrawLevelText(0, 0, 0, TEXT_END);
14239
14240     return;
14241   }
14242
14243   int id = GADGET_ID_NONE;
14244   int new_element_shift = element_shift;
14245   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
14246   int button = MB_LEFTBUTTON;
14247   int i;
14248
14249   switch (key)
14250   {
14251     case KSYM_Left:
14252       id = GADGET_ID_SCROLL_LEFT;
14253       break;
14254     case KSYM_Right:
14255       id = GADGET_ID_SCROLL_RIGHT;
14256       break;
14257     case KSYM_Up:
14258       id = GADGET_ID_SCROLL_UP;
14259       break;
14260     case KSYM_Down:
14261       id = GADGET_ID_SCROLL_DOWN;
14262       break;
14263
14264     case KSYM_Page_Up:
14265     case KSYM_Page_Down:
14266       step *= (key == KSYM_Page_Up ? -1 : +1);
14267       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
14268
14269       if (element_shift < 0)
14270         element_shift = 0;
14271       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14272         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14273
14274       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14275                    GDI_SCROLLBAR_ITEM_POSITION,
14276                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14277
14278       ModifyEditorElementList();
14279
14280       break;
14281
14282     case KSYM_Home:
14283     case KSYM_End:
14284       element_shift = (key == KSYM_Home ? 0 :
14285                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
14286
14287       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14288                    GDI_SCROLLBAR_ITEM_POSITION,
14289                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14290
14291       ModifyEditorElementList();
14292
14293       break;
14294
14295     case KSYM_Insert:
14296     case KSYM_Delete:
14297
14298       // this is needed to prevent interference with running "True X-Mouse"
14299       if (GetKeyModStateFromEvents() & KMOD_Control)
14300         break;
14301
14302       // check for last or next editor cascade block in element list
14303       for (i = 0; i < num_editor_elements; i++)
14304       {
14305         if ((key == KSYM_Insert && i == element_shift) ||
14306             (key == KSYM_Delete && new_element_shift > element_shift))
14307           break;
14308
14309         // jump to next cascade block (or to start of element list)
14310         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
14311           new_element_shift = i;
14312       }
14313
14314       if (i < num_editor_elements)
14315         element_shift = new_element_shift;
14316
14317       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14318         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14319
14320       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14321                    GDI_SCROLLBAR_ITEM_POSITION,
14322                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14323
14324       ModifyEditorElementList();
14325
14326       break;
14327
14328     case KSYM_Escape:
14329       if (edit_mode == ED_MODE_DRAWING)
14330         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
14331       else if (edit_mode == ED_MODE_INFO)
14332         HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
14333       else if (edit_mode == ED_MODE_PROPERTIES)
14334         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
14335       else if (edit_mode == ED_MODE_PALETTE)
14336         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
14337       else              // should never happen
14338         ChangeEditModeWindow(ED_MODE_DRAWING);
14339
14340       break;
14341
14342     default:
14343       break;
14344   }
14345
14346   if (id != GADGET_ID_NONE)
14347     ClickOnGadget(level_editor_gadget[id], button);
14348   else if (letter == '1' || letter == '?')
14349     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
14350   else if (letter == '2')
14351     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
14352   else if (letter == '3')
14353     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
14354   else if (letter == '.')
14355     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
14356   else if (letter == 'U')
14357     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14358   else if (letter == '-' || key == KSYM_KP_Subtract)
14359     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
14360   else if (letter == '0' || key == KSYM_KP_0)
14361     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
14362   else if (letter == '+' || key == KSYM_KP_Add ||
14363            letter == '=')       // ("Shift-=" is "+" on US keyboards)
14364     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
14365   else if (key == KSYM_Return ||
14366            key == KSYM_space ||
14367            key == setup.shortcut.toggle_pause)
14368     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
14369   else
14370     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
14371       if (letter && letter == controlbutton_info[i].shortcut)
14372         if (!anyTextGadgetActive())
14373           ClickOnGadget(level_editor_gadget[i], button);
14374 }
14375
14376 static void HandleLevelEditorIdle_Properties(void)
14377 {
14378   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
14379   int x = editor.settings.element_graphic.x + element_border;
14380   int y = editor.settings.element_graphic.y + element_border;
14381   static unsigned int action_delay = 0;
14382   unsigned int action_delay_value = GameFrameDelay;
14383   int i;
14384
14385   if (!DelayReached(&action_delay, action_delay_value))
14386     return;
14387
14388   for (i = 0; i < ED_NUM_SELECTBOX; i++)
14389   {
14390     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
14391
14392     if (gi->mapped && gi->active && gi->selectbox.open)
14393       return;
14394   }
14395
14396   DrawEditorElementAnimation(SX + x, SY + y);
14397
14398   redraw_mask |= REDRAW_FIELD;
14399
14400   FrameCounter++;       // increase animation frame counter
14401 }
14402
14403 static void HandleLevelEditorIdle_Drawing(void)
14404 {
14405   static boolean last_highlighted = FALSE;
14406   boolean highlighted = (GetKeyModState() & KMOD_Alt);
14407
14408   if (highlighted != last_highlighted)
14409   {
14410     DrawAreaElementHighlight(highlighted);
14411
14412     last_highlighted = highlighted;
14413
14414     redraw_mask |= REDRAW_FIELD;
14415   }
14416 }
14417
14418 void HandleLevelEditorIdle(void)
14419 {
14420   if (edit_mode == ED_MODE_PROPERTIES)
14421     HandleLevelEditorIdle_Properties();
14422   else if (edit_mode == ED_MODE_DRAWING)
14423     HandleLevelEditorIdle_Drawing();
14424 }
14425
14426 static void ClearEditorGadgetInfoText(void)
14427 {
14428   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
14429 }
14430
14431 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
14432 {
14433   char infotext[MAX_OUTPUT_LINESIZE + 1];
14434   char shortcut[MAX_OUTPUT_LINESIZE + 1];
14435   int max_infotext_len = getMaxInfoTextLength();
14436
14437   if (gi == NULL || strlen(gi->info_text) == 0)
14438     return;
14439
14440   strncpy(infotext, gi->info_text, max_infotext_len);
14441   infotext[max_infotext_len] = '\0';
14442
14443   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
14444   {
14445     int key = controlbutton_info[gi->custom_id].shortcut;
14446
14447     if (key)
14448     {
14449       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
14450         sprintf(shortcut, " ('.' or '%c')", key);
14451       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
14452         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
14453       else if (gi->custom_id == GADGET_ID_TEST)
14454         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
14455       else if (gi->custom_id == GADGET_ID_UNDO)
14456         sprintf(shortcut, " ('%c/Shift-U')", key);
14457       else if (gi->custom_id == GADGET_ID_ZOOM)
14458         sprintf(shortcut, " ('%c', '0', '-')", key);
14459       else
14460         sprintf(shortcut, " ('%s%c')",
14461                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
14462
14463       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
14464         strcat(infotext, shortcut);
14465     }
14466   }
14467
14468   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
14469 }
14470
14471 void HandleEditorGadgetInfoText(void *ptr)
14472 {
14473   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
14474
14475   if (game_status != GAME_MODE_EDITOR)
14476     return;
14477
14478   ClearEditorGadgetInfoText();
14479
14480   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
14481     return;
14482
14483   // misuse this function to delete brush cursor, if needed
14484   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
14485     DeleteBrushFromCursor();
14486
14487   PrintEditorGadgetInfoText(gi);
14488 }
14489
14490 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
14491 {
14492   static int start_lx, start_ly;
14493   int id = gi->custom_id;
14494   int type_id = gi->custom_type_id;
14495   int sx = gi->event.x;
14496   int sy = gi->event.y;
14497   int lx = sx + level_xpos;
14498   int ly = sy + level_ypos;
14499   int min_sx = 0, min_sy = 0;
14500   int max_sx = gi->drawing.area_xsize - 1;
14501   int max_sy = gi->drawing.area_ysize - 1;
14502   int actual_drawing_function = drawing_function;
14503   int max_infotext_len = getMaxInfoTextLength();
14504   char infotext[MAX_OUTPUT_LINESIZE + 1];
14505   char *text;
14506
14507   infotext[0] = '\0';           // start with empty info text
14508
14509   // pressed Control key: simulate picking element
14510   if (GetKeyModState() & KMOD_Control)
14511     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14512
14513   ClearEditorGadgetInfoText();
14514
14515   if (gi->event.type == GD_EVENT_INFO_LEAVING)
14516     return;
14517
14518   // make sure to stay inside drawing area boundaries
14519   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14520   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14521
14522   if (id == GADGET_ID_DRAWING_LEVEL)
14523   {
14524     if (button_status)
14525     {
14526       int min_lx = 0, min_ly = 0;
14527       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14528
14529       // get positions inside level field
14530       lx = sx + level_xpos;
14531       ly = sy + level_ypos;
14532
14533       // make sure to stay inside level field boundaries
14534       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14535       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14536
14537       // correct drawing area positions accordingly
14538       sx = lx - level_xpos;
14539       sy = ly - level_ypos;
14540     }
14541
14542     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
14543     {
14544       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
14545       {
14546         if (gi->event.type == GD_EVENT_PRESSED)
14547         {
14548           start_lx = lx;
14549           start_ly = ly;
14550         }
14551
14552         switch (actual_drawing_function)
14553         {
14554           case GADGET_ID_SINGLE_ITEMS:
14555             text = "Drawing single items";
14556             break;
14557           case GADGET_ID_CONNECTED_ITEMS:
14558             text = "Drawing connected items";
14559             break;
14560           case GADGET_ID_LINE:
14561             text = "Drawing line";
14562             break;
14563           case GADGET_ID_ARC:
14564             text = "Drawing arc";
14565             break;
14566           case GADGET_ID_TEXT:
14567             text = "Setting text cursor";
14568             break;
14569           case GADGET_ID_RECTANGLE:
14570             text = "Drawing rectangle";
14571             break;
14572           case GADGET_ID_FILLED_BOX:
14573             text = "Drawing filled box";
14574             break;
14575           case GADGET_ID_FLOOD_FILL:
14576             text = "Flood fill";
14577             break;
14578           case GADGET_ID_GRAB_BRUSH:
14579             text = "Grabbing brush";
14580             break;
14581           case GADGET_ID_PICK_ELEMENT:
14582             text = "Picking element";
14583             break;
14584
14585           default:
14586             text = "Drawing position";
14587             break;
14588         }
14589
14590         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14591           sprintf(infotext, "%s: %d, %d", text, lx, ly);
14592         else
14593           sprintf(infotext, "%s: %d, %d", text,
14594                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
14595       }
14596       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14597         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
14598       else
14599         sprintf(infotext, "Level position: %d, %d", lx, ly);
14600     }
14601
14602     // misuse this function to draw brush cursor, if needed
14603     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
14604     {
14605       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14606         CopyBrushToCursor(sx, sy);
14607       else
14608         DeleteBrushFromCursor();
14609     }
14610
14611     if (!draw_with_brush)
14612       UpdateBrushPosition(sx, sy);
14613   }
14614   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14615   {
14616     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14617     int element = drawingarea_info[type_id].value[pos];
14618
14619     strncpy(infotext, getElementInfoText(element), max_infotext_len);
14620   }
14621   else
14622   {
14623     if (id == GADGET_ID_CUSTOM_CONTENT)
14624       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
14625     else if (id == GADGET_ID_GROUP_CONTENT)
14626       sprintf(infotext, "group element position: %d", sx + 1);
14627     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
14628              id <= GADGET_ID_YAMYAM_CONTENT_7)
14629       sprintf(infotext, "content area %d position: %d, %d",
14630               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
14631     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
14632              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
14633       sprintf(infotext, "content area %d position: %d, %d",
14634               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
14635     else if (id == GADGET_ID_ANDROID_CONTENT)
14636       sprintf(infotext, "android element position: %d", sx + 1);
14637     else if (drawingarea_info[type_id].infotext != NULL)
14638       strcpy(infotext, drawingarea_info[type_id].infotext);
14639   }
14640
14641   infotext[max_infotext_len] = '\0';
14642
14643   if (strlen(infotext) > 0)
14644     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
14645 }
14646
14647 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
14648                             boolean quick_quit)
14649 {
14650   if (!ask_if_level_has_changed ||
14651       !LevelChanged() ||
14652       Request("Level has changed! Exit without saving?",
14653               REQ_ASK | REQ_STAY_OPEN))
14654   {
14655     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
14656     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
14657
14658     // draw normal door
14659     UndrawSpecialEditorDoor();
14660
14661     // use door animation if door 1 viewport is unchanged and contains toolbox
14662     if (useEditorDoorAnimation())
14663       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
14664
14665     // close editor doors if viewport definition is the same as in main menu
14666     if (vp_door_1->x      == DX     &&
14667         vp_door_1->y      == DY     &&
14668         vp_door_1->width  == DXSIZE &&
14669         vp_door_1->height == DYSIZE &&
14670         vp_door_2->x      == VX     &&
14671         vp_door_2->y      == VY     &&
14672         vp_door_2->width  == VXSIZE &&
14673         vp_door_2->height == VYSIZE)
14674       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14675     else
14676       SetDoorState(DOOR_CLOSE_2);
14677
14678     BackToFront();
14679
14680     if (quick_quit)
14681       FadeSkipNextFadeIn();
14682
14683     SetGameStatus(GAME_MODE_MAIN);
14684
14685     DrawMainMenu();
14686   }
14687   else
14688   {
14689     if (!global.use_envelope_request)
14690     {
14691       CloseDoor(DOOR_CLOSE_1);
14692       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14693     }
14694   }
14695 }