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_STEP_DELAY_FIX_DOWN,
 493   GADGET_ID_STEP_DELAY_FIX_TEXT,
 494   GADGET_ID_STEP_DELAY_FIX_UP,
 495   GADGET_ID_STEP_DELAY_RND_DOWN,
 496   GADGET_ID_STEP_DELAY_RND_TEXT,
 497   GADGET_ID_STEP_DELAY_RND_UP,
 498   GADGET_ID_EXPLOSION_DELAY_DOWN,
 499   GADGET_ID_EXPLOSION_DELAY_TEXT,
 500   GADGET_ID_EXPLOSION_DELAY_UP,
 501   GADGET_ID_IGNITION_DELAY_DOWN,
 502   GADGET_ID_IGNITION_DELAY_TEXT,
 503   GADGET_ID_IGNITION_DELAY_UP,
 504   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 505   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 506   GADGET_ID_CHANGE_DELAY_FIX_UP,
 507   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 508   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 509   GADGET_ID_CHANGE_DELAY_RND_UP,
 510   GADGET_ID_CHANGE_CONT_RND_DOWN,
 511   GADGET_ID_CHANGE_CONT_RND_TEXT,
 512   GADGET_ID_CHANGE_CONT_RND_UP,
 513   GADGET_ID_GROUP_CONTENT_DOWN,
 514   GADGET_ID_GROUP_CONTENT_TEXT,
 515   GADGET_ID_GROUP_CONTENT_UP,
 516
 517   // drawing area identifiers
 518
 519   GADGET_ID_DRAWING_LEVEL,
 520   GADGET_ID_YAMYAM_CONTENT_0,
 521   GADGET_ID_YAMYAM_CONTENT_1,
 522   GADGET_ID_YAMYAM_CONTENT_2,
 523   GADGET_ID_YAMYAM_CONTENT_3,
 524   GADGET_ID_YAMYAM_CONTENT_4,
 525   GADGET_ID_YAMYAM_CONTENT_5,
 526   GADGET_ID_YAMYAM_CONTENT_6,
 527   GADGET_ID_YAMYAM_CONTENT_7,
 528   GADGET_ID_MAGIC_BALL_CONTENT_0,
 529   GADGET_ID_MAGIC_BALL_CONTENT_1,
 530   GADGET_ID_MAGIC_BALL_CONTENT_2,
 531   GADGET_ID_MAGIC_BALL_CONTENT_3,
 532   GADGET_ID_MAGIC_BALL_CONTENT_4,
 533   GADGET_ID_MAGIC_BALL_CONTENT_5,
 534   GADGET_ID_MAGIC_BALL_CONTENT_6,
 535   GADGET_ID_MAGIC_BALL_CONTENT_7,
 536   GADGET_ID_ANDROID_CONTENT,
 537   GADGET_ID_AMOEBA_CONTENT,
 538   GADGET_ID_START_ELEMENT,
 539   GADGET_ID_ARTWORK_ELEMENT,
 540   GADGET_ID_EXPLOSION_ELEMENT,
 541   GADGET_ID_INVENTORY_CONTENT,
 542   GADGET_ID_CUSTOM_GRAPHIC,
 543   GADGET_ID_CUSTOM_CONTENT,
 544   GADGET_ID_CUSTOM_MOVE_ENTER,
 545   GADGET_ID_CUSTOM_MOVE_LEAVE,
 546   GADGET_ID_CUSTOM_CHANGE_TARGET,
 547   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 548   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 549   GADGET_ID_CUSTOM_CHANGE_ACTION,
 550   GADGET_ID_GROUP_CONTENT,
 551   GADGET_ID_RANDOM_BACKGROUND,
 552
 553   // text input identifiers
 554
 555   GADGET_ID_LEVEL_NAME,
 556   GADGET_ID_LEVEL_AUTHOR,
 557   GADGET_ID_LEVELSET_NAME,
 558   GADGET_ID_LEVELSET_AUTHOR,
 559   GADGET_ID_ELEMENT_NAME,
 560
 561   // text area identifiers
 562
 563   GADGET_ID_ENVELOPE_INFO,
 564
 565   // selectbox identifiers
 566
 567   GADGET_ID_TIME_OR_STEPS,
 568   GADGET_ID_TIME_SCORE_BASE,
 569   GADGET_ID_GAME_ENGINE_TYPE,
 570   GADGET_ID_LEVELSET_SAVE_MODE,
 571   GADGET_ID_WIND_DIRECTION,
 572   GADGET_ID_PLAYER_SPEED,
 573   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 574   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 575   GADGET_ID_CUSTOM_DEADLINESS,
 576   GADGET_ID_CUSTOM_MOVE_PATTERN,
 577   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 578   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 579   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 580   GADGET_ID_CUSTOM_SMASH_TARGETS,
 581   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 582   GADGET_ID_CUSTOM_ACCESS_TYPE,
 583   GADGET_ID_CUSTOM_ACCESS_LAYER,
 584   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 585   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 586   GADGET_ID_CHANGE_TIME_UNITS,
 587   GADGET_ID_CHANGE_DIRECT_ACTION,
 588   GADGET_ID_CHANGE_OTHER_ACTION,
 589   GADGET_ID_CHANGE_SIDE,
 590   GADGET_ID_CHANGE_PLAYER,
 591   GADGET_ID_CHANGE_PAGE,
 592   GADGET_ID_CHANGE_REPLACE_WHEN,
 593   GADGET_ID_ACTION_TYPE,
 594   GADGET_ID_ACTION_MODE,
 595   GADGET_ID_ACTION_ARG,
 596   GADGET_ID_SELECT_CHANGE_PAGE,
 597   GADGET_ID_GROUP_CHOICE_MODE,
 598
 599   // textbutton identifiers
 600
 601   GADGET_ID_LEVELINFO_LEVEL,
 602   GADGET_ID_LEVELINFO_LEVELSET,
 603   GADGET_ID_LEVELINFO_EDITOR,
 604   GADGET_ID_PROPERTIES_INFO,
 605   GADGET_ID_PROPERTIES_CONFIG,
 606   GADGET_ID_PROPERTIES_CONFIG_1,
 607   GADGET_ID_PROPERTIES_CONFIG_2,
 608   GADGET_ID_PROPERTIES_CHANGE,
 609   GADGET_ID_SAVE_AS_TEMPLATE_1,
 610   GADGET_ID_SAVE_AS_TEMPLATE_2,
 611   GADGET_ID_SAVE_LEVELSET,
 612   GADGET_ID_ADD_CHANGE_PAGE,
 613   GADGET_ID_DEL_CHANGE_PAGE,
 614
 615   // graphicbutton identifiers
 616
 617   GADGET_ID_PREV_CHANGE_PAGE,
 618   GADGET_ID_NEXT_CHANGE_PAGE,
 619   GADGET_ID_COPY_CHANGE_PAGE,
 620   GADGET_ID_PASTE_CHANGE_PAGE,
 621
 622   // gadgets for scrolling of drawing area
 623
 624   GADGET_ID_SCROLL_UP,
 625   GADGET_ID_SCROLL_DOWN,
 626   GADGET_ID_SCROLL_LEFT,
 627   GADGET_ID_SCROLL_RIGHT,
 628   GADGET_ID_SCROLL_HORIZONTAL,
 629   GADGET_ID_SCROLL_VERTICAL,
 630
 631   // gadgets for scrolling element list
 632
 633   GADGET_ID_SCROLL_LIST_UP,
 634   GADGET_ID_SCROLL_LIST_DOWN,
 635   GADGET_ID_SCROLL_LIST_VERTICAL,
 636
 637   // checkbuttons/radiobuttons for level/element properties
 638
 639   GADGET_ID_AUTO_COUNT_GEMS,
 640   GADGET_ID_RATE_TIME_OVER_SCORE,
 641   GADGET_ID_USE_LEVELSET_ARTWORK,
 642   GADGET_ID_COPY_LEVEL_TEMPLATE,
 643   GADGET_ID_RANDOM_PERCENTAGE,
 644   GADGET_ID_RANDOM_QUANTITY,
 645   GADGET_ID_RANDOM_RESTRICTED,
 646   GADGET_ID_STICK_ELEMENT,
 647   GADGET_ID_EM_SLIPPERY_GEMS,
 648   GADGET_ID_EM_EXPLODES_BY_FIRE,
 649   GADGET_ID_USE_SPRING_BUG,
 650   GADGET_ID_USE_TIME_ORB_BUG,
 651   GADGET_ID_USE_LIFE_BUGS,
 652   GADGET_ID_RANDOM_BALL_CONTENT,
 653   GADGET_ID_INITIAL_BALL_ACTIVE,
 654   GADGET_ID_GROW_INTO_DIGGABLE,
 655   GADGET_ID_SB_FIELDS_NEEDED,
 656   GADGET_ID_SB_OBJECTS_NEEDED,
 657   GADGET_ID_AUTO_EXIT_SOKOBAN,
 658   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 659   GADGET_ID_FINISH_DIG_COLLECT,
 660   GADGET_ID_KEEP_WALKABLE_CE,
 661   GADGET_ID_CONTINUOUS_SNAPPING,
 662   GADGET_ID_BLOCK_SNAP_FIELD,
 663   GADGET_ID_BLOCK_LAST_FIELD,
 664   GADGET_ID_SP_BLOCK_LAST_FIELD,
 665   GADGET_ID_INSTANT_RELOCATION,
 666   GADGET_ID_SHIFTED_RELOCATION,
 667   GADGET_ID_LAZY_RELOCATION,
 668   GADGET_ID_USE_START_ELEMENT,
 669   GADGET_ID_USE_ARTWORK_ELEMENT,
 670   GADGET_ID_USE_EXPLOSION_ELEMENT,
 671   GADGET_ID_INITIAL_GRAVITY,
 672   GADGET_ID_USE_INITIAL_INVENTORY,
 673   GADGET_ID_CAN_PASS_TO_WALKABLE,
 674   GADGET_ID_CAN_FALL_INTO_ACID,
 675   GADGET_ID_CAN_MOVE_INTO_ACID,
 676   GADGET_ID_DONT_COLLIDE_WITH,
 677   GADGET_ID_ENVELOPE_AUTOWRAP,
 678   GADGET_ID_ENVELOPE_CENTERED,
 679   GADGET_ID_MM_LASER_RED,
 680   GADGET_ID_MM_LASER_GREEN,
 681   GADGET_ID_MM_LASER_BLUE,
 682   GADGET_ID_DF_LASER_RED,
 683   GADGET_ID_DF_LASER_GREEN,
 684   GADGET_ID_DF_LASER_BLUE,
 685   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 686   GADGET_ID_CUSTOM_CAN_EXPLODE,
 687   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 688   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 689   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 690   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 691   GADGET_ID_CUSTOM_DEADLY,
 692   GADGET_ID_CUSTOM_CAN_MOVE,
 693   GADGET_ID_CUSTOM_CAN_FALL,
 694   GADGET_ID_CUSTOM_CAN_SMASH,
 695   GADGET_ID_CUSTOM_SLIPPERY,
 696   GADGET_ID_CUSTOM_ACCESSIBLE,
 697   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 698   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 699   GADGET_ID_CUSTOM_USE_GRAPHIC,
 700   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 701   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 702   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 703   GADGET_ID_CUSTOM_CAN_CHANGE,
 704   GADGET_ID_CHANGE_USE_CONTENT,
 705   GADGET_ID_CHANGE_USE_EXPLOSION,
 706   GADGET_ID_CHANGE_ONLY_COMPLETE,
 707   GADGET_ID_CHANGE_USE_RANDOM,
 708   GADGET_ID_CHANGE_HAS_ACTION,
 709   GADGET_ID_CHANGE_DELAY,
 710   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 711   GADGET_ID_CHANGE_BY_OTHER_ACT,
 712
 713   NUM_STATIC_GADGET_IDS
 714 };
 715
 716 // gadgets for buttons in element list (dynamic)
 717 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 718 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 719                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 720
 721 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 722
 723 // radio button numbers
 724 enum
 725 {
 726   RADIO_NR_NONE,
 727   RADIO_NR_DRAWING_TOOLBOX,
 728   RADIO_NR_RANDOM_ELEMENTS
 729 };
 730
 731 // values for counter gadgets
 732 enum
 733 {
 734   ED_COUNTER_ID_SELECT_LEVEL,
 735   ED_COUNTER_ID_LEVEL_XSIZE,
 736   ED_COUNTER_ID_LEVEL_YSIZE,
 737   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 738   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 739   ED_COUNTER_ID_LEVEL_TIMESCORE,
 740   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 741   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 742   ED_COUNTER_ID_LEVEL_RANDOM,
 743   ED_COUNTER_ID_ELEMENT_VALUE1,
 744   ED_COUNTER_ID_ELEMENT_VALUE2,
 745   ED_COUNTER_ID_ELEMENT_VALUE3,
 746   ED_COUNTER_ID_ELEMENT_VALUE4,
 747   ED_COUNTER_ID_YAMYAM_CONTENT,
 748   ED_COUNTER_ID_BALL_CONTENT,
 749   ED_COUNTER_ID_ANDROID_CONTENT,
 750   ED_COUNTER_ID_ENVELOPE_XSIZE,
 751   ED_COUNTER_ID_ENVELOPE_YSIZE,
 752   ED_COUNTER_ID_INVENTORY_SIZE,
 753   ED_COUNTER_ID_CUSTOM_SCORE,
 754   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 755   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 756   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 757   ED_COUNTER_ID_PUSH_DELAY_FIX,
 758   ED_COUNTER_ID_PUSH_DELAY_RND,
 759   ED_COUNTER_ID_DROP_DELAY_FIX,
 760   ED_COUNTER_ID_DROP_DELAY_RND,
 761   ED_COUNTER_ID_MOVE_DELAY_FIX,
 762   ED_COUNTER_ID_MOVE_DELAY_RND,
 763   ED_COUNTER_ID_STEP_DELAY_FIX,
 764   ED_COUNTER_ID_STEP_DELAY_RND,
 765   ED_COUNTER_ID_EXPLOSION_DELAY,
 766   ED_COUNTER_ID_IGNITION_DELAY,
 767   ED_COUNTER_ID_GROUP_CONTENT,
 768   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 769   ED_COUNTER_ID_CHANGE_DELAY_RND,
 770   ED_COUNTER_ID_CHANGE_CONT_RND,
 771
 772   ED_NUM_COUNTERBUTTONS
 773 };
 774
 775 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 776 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 777 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 778 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 779 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 780 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 781
 782 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 783 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 784 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 785 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 786 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 787 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 788
 789 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 790 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 791
 792 // values for scrollbutton gadgets
 793 enum
 794 {
 795   ED_SCROLLBUTTON_ID_AREA_UP,
 796   ED_SCROLLBUTTON_ID_AREA_DOWN,
 797   ED_SCROLLBUTTON_ID_AREA_LEFT,
 798   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 799   ED_SCROLLBUTTON_ID_LIST_UP,
 800   ED_SCROLLBUTTON_ID_LIST_DOWN,
 801
 802   ED_NUM_SCROLLBUTTONS
 803 };
 804
 805 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 806 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 807
 808 // values for scrollbar gadgets
 809 enum
 810 {
 811   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 812   ED_SCROLLBAR_ID_AREA_VERTICAL,
 813   ED_SCROLLBAR_ID_LIST_VERTICAL,
 814
 815   ED_NUM_SCROLLBARS
 816 };
 817
 818 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 819 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 820
 821 // values for text input gadgets
 822 enum
 823 {
 824   ED_TEXTINPUT_ID_LEVEL_NAME,
 825   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 826   ED_TEXTINPUT_ID_LEVELSET_NAME,
 827   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 828   ED_TEXTINPUT_ID_ELEMENT_NAME,
 829
 830   ED_NUM_TEXTINPUT
 831 };
 832
 833 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 834 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 835
 836 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 837 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 838
 839 // values for text area gadgets
 840 enum
 841 {
 842   ED_TEXTAREA_ID_ENVELOPE_INFO,
 843
 844   ED_NUM_TEXTAREAS
 845 };
 846
 847 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 848 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 849
 850 // values for selectbox gadgets
 851 enum
 852 {
 853   ED_SELECTBOX_ID_TIME_OR_STEPS,
 854   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 855   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 856   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 857   ED_SELECTBOX_ID_WIND_DIRECTION,
 858   ED_SELECTBOX_ID_PLAYER_SPEED,
 859   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 860   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 861   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 862   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 863   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 864   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 865   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 866   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 867   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 868   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 869   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 870   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 871   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 872   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 873   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 874   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 875   ED_SELECTBOX_ID_CHANGE_SIDE,
 876   ED_SELECTBOX_ID_CHANGE_PLAYER,
 877   ED_SELECTBOX_ID_CHANGE_PAGE,
 878   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 879   ED_SELECTBOX_ID_ACTION_TYPE,
 880   ED_SELECTBOX_ID_ACTION_MODE,
 881   ED_SELECTBOX_ID_ACTION_ARG,
 882   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 883   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 884
 885   ED_NUM_SELECTBOX
 886 };
 887
 888 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 889 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 890
 891 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 892 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 893
 894 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 895 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 896 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 897 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 898 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 899 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 900
 901 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 902 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 903
 904 // values for textbutton gadgets
 905 enum
 906 {
 907   ED_TEXTBUTTON_ID_LEVELINFO_LEVEL,
 908   ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET,
 909   ED_TEXTBUTTON_ID_LEVELINFO_EDITOR,
 910   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 911   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 912   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 913   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 914   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 915   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 916   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 917   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 918   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 919   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 920
 921   ED_NUM_TEXTBUTTONS
 922 };
 923
 924 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 925 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 926
 927 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 928 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 929
 930 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 931 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 932
 933 // values for graphicbutton gadgets
 934 enum
 935 {
 936   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 937   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 938   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 939   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 940
 941   ED_NUM_GRAPHICBUTTONS
 942 };
 943
 944 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 945 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 946
 947 // values for checkbutton gadgets
 948 enum
 949 {
 950   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 951   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
 952   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 953   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 954   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 955   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 956   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 957   ED_CHECKBUTTON_ID_STICK_ELEMENT,
 958   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
 959   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
 960   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
 961   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
 962   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
 963   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
 964   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
 965   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
 966   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
 967   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
 968   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
 969   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
 970   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
 971   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
 972   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
 973   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
 974   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
 975   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
 976   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
 977   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
 978   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
 979   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
 980   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
 981   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
 982   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
 983   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
 984   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
 985   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
 986   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
 987   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
 988   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
 989   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
 990   ED_CHECKBUTTON_ID_MM_LASER_RED,
 991   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
 992   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
 993   ED_CHECKBUTTON_ID_DF_LASER_RED,
 994   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
 995   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
 996   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
 997   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
 998   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
 999   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1000   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1001   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1002   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1003   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1004   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1005   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1006   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1007   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1008   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1009   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1010   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1011   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1012   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1013   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1014   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1015   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1016   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1017   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1018   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1019   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1020   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1021
1022   ED_NUM_CHECKBUTTONS
1023 };
1024
1025 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1026 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1027
1028 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1029 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1030
1031 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1032 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1033
1034 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1035 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1036 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1037 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1038 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1039 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1040
1041 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1042 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1043
1044 // values for radiobutton gadgets
1045 enum
1046 {
1047   ED_RADIOBUTTON_ID_PERCENTAGE,
1048   ED_RADIOBUTTON_ID_QUANTITY,
1049
1050   ED_NUM_RADIOBUTTONS
1051 };
1052
1053 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1054 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1055
1056 // values for drawing area gadgets
1057 enum
1058 {
1059   ED_DRAWING_ID_DRAWING_LEVEL,
1060   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1061   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1062   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1063   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1064   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1065   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1066   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1067   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1068   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1069   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1070   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1071   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1072   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1073   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1074   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1075   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1076   ED_DRAWING_ID_ANDROID_CONTENT,
1077   ED_DRAWING_ID_AMOEBA_CONTENT,
1078   ED_DRAWING_ID_START_ELEMENT,
1079   ED_DRAWING_ID_ARTWORK_ELEMENT,
1080   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1081   ED_DRAWING_ID_INVENTORY_CONTENT,
1082   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1083   ED_DRAWING_ID_CUSTOM_CONTENT,
1084   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1085   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1086   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1087   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1088   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1089   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1090   ED_DRAWING_ID_GROUP_CONTENT,
1091   ED_DRAWING_ID_RANDOM_BACKGROUND,
1092
1093   ED_NUM_DRAWING_AREAS
1094 };
1095
1096 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1097 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1098
1099
1100 // ----------------------------------------------------------------------------
1101 // some internally used definitions
1102 // ----------------------------------------------------------------------------
1103
1104 // values for CopyLevelToUndoBuffer()
1105 #define UNDO_IMMEDIATE                  0
1106 #define UNDO_ACCUMULATE                 1
1107
1108 // values for scrollbars
1109 #define ED_SCROLL_NO                    0
1110 #define ED_SCROLL_LEFT                  1
1111 #define ED_SCROLL_RIGHT                 2
1112 #define ED_SCROLL_UP                    4
1113 #define ED_SCROLL_DOWN                  8
1114
1115 // screens in the level editor
1116 #define ED_MODE_DRAWING                 0
1117 #define ED_MODE_INFO                    1
1118 #define ED_MODE_PROPERTIES              2
1119 #define ED_MODE_PALETTE                 3
1120
1121 // sub-screens in the global settings section
1122 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1123 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1124 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1125
1126 // sub-screens in the element properties section
1127 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1128 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1129 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1130 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1131 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1132
1133 // how many steps can be cancelled
1134 #define NUM_UNDO_STEPS                  (64 + 1)
1135
1136 // values for elements with score for certain actions
1137 #define MIN_SCORE                       0
1138 #define MAX_SCORE                       999
1139
1140 // values for elements with count for collecting
1141 #define MIN_COLLECT_COUNT               0
1142 #define MAX_COLLECT_COUNT               999
1143
1144 // values for random placement
1145 #define RANDOM_USE_PERCENTAGE           0
1146 #define RANDOM_USE_QUANTITY             1
1147
1148 // values for level set save mode
1149 #define LEVELSET_SAVE_MODE_UPDATE       0
1150 #define LEVELSET_SAVE_MODE_CREATE       1
1151
1152 // default value for element tile size in drawing area
1153 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1154 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1155
1156
1157 // ----------------------------------------------------------------------------
1158 // some internally used data structure definitions
1159 // ----------------------------------------------------------------------------
1160
1161 static struct
1162 {
1163   int graphic;
1164   int gadget_id;
1165   struct XYTileSize *pos;
1166   int gadget_type;
1167   char *infotext;
1168   char shortcut;
1169 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1170 {
1171   // note: some additional characters are already reserved for "cheat mode"
1172   // shortcuts (":XYZ" style) -- for details, see "events.c"
1173
1174   // ---------- toolbox control buttons ---------------------------------------
1175
1176   {
1177     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1178     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1179     "draw single items",                        's'
1180   },
1181   {
1182     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1183     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1184     "draw connected items",                     'd'
1185   },
1186   {
1187     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1188     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1189     "draw lines",                               'l'
1190   },
1191   {
1192     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1193     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1194     "draw arcs",                                'a'
1195   },
1196   {
1197     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1198     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1199     "draw outline rectangles",                  'r'
1200   },
1201   {
1202     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1203     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1204     "draw filled rectangles",                   'R'
1205   },
1206   {
1207     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1208     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1209     "wrap (rotate) level up",                   0
1210   },
1211   {
1212     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1213     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1214     "enter text elements",                      't'
1215   },
1216   {
1217     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1218     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1219     "flood fill",                               'f'
1220   },
1221   {
1222     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1223     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1224     "wrap (rotate) level left",                 0
1225   },
1226   {
1227     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1228     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1229     "zoom level tile size",                     '+'
1230   },
1231   {
1232     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1233     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1234     "wrap (rotate) level right",                0
1235   },
1236   {
1237     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1238     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1239     "random element placement",                 0
1240   },
1241   {
1242     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1243     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1244     "grab brush",                               'b'
1245   },
1246   {
1247     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1248     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1249     "wrap (rotate) level down",                 0
1250   },
1251   {
1252     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1253     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1254     "pick drawing element",                     ','
1255   },
1256
1257   // ---------- level control buttons -----------------------------------------
1258
1259   {
1260     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1261     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1262     "undo/redo last operation",                 'u'
1263   },
1264   {
1265     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1266     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1267     "properties of level",                      'I'
1268   },
1269   {
1270     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1271     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1272     "save level",                               'S'
1273   },
1274   {
1275     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1276     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1277     "clear level",                              'C'
1278   },
1279   {
1280     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1281     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1282     "test level",                               'T'
1283   },
1284   {
1285     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1286     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1287     "exit level editor",                        'E'
1288   },
1289
1290   // ---------- CE and GE control buttons -------------------------------------
1291
1292   {
1293     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1294     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1295     "copy settings from other element",         0
1296   },
1297   {
1298     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1299     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1300     "copy settings to other element",           0
1301   },
1302   {
1303     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1304     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1305     "exchange element with other element",      0
1306   },
1307   {
1308     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1309     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1310     "copy settings from this element",          0
1311   },
1312   {
1313     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1314     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1315     "paste settings to this element",           0
1316   },
1317
1318   // ---------- palette control buttons ---------------------------------------
1319
1320   {
1321     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1322     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1323     "properties of drawing element",            'p'
1324   },
1325   {
1326     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1327     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1328     "properties of drawing element 1",          '1'
1329   },
1330   {
1331     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1332     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1333     "properties of drawing element 2",          '2'
1334   },
1335   {
1336     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1337     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1338     "properties of drawing element 3",          '3'
1339   },
1340   {
1341     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1342     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1343     "show list of elements",                    'e'
1344   }
1345 };
1346
1347 static int random_placement_value = 10;
1348 static int random_placement_method = RANDOM_USE_QUANTITY;
1349 static int random_placement_background_element = EL_SAND;
1350 static boolean random_placement_background_restricted = FALSE;
1351 static boolean stick_element_properties_window = FALSE;
1352 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1353 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1354 static struct ElementChangeInfo custom_element_change;
1355 static struct ElementGroupInfo group_element_info;
1356 static struct ElementInfo custom_element;
1357
1358 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1359 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1360 static int levelset_num_levels = 100;
1361 static boolean levelset_use_levelset_artwork = FALSE;
1362 static boolean levelset_copy_level_template = FALSE;
1363 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1364
1365 static struct
1366 {
1367   int x, y;
1368   int min_value, max_value;
1369   int gadget_id_down, gadget_id_up;
1370   int gadget_id_text;
1371   int gadget_id_align;
1372   int *value;
1373   char *text_above, *text_left, *text_right;
1374 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1375 {
1376   // ---------- current level number ------------------------------------------
1377
1378   {
1379     -1, -1,     // these values are not constant, but can change at runtime
1380     1,                                  100,
1381     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1382     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1383     &level_nr,
1384     NULL,                               NULL, NULL
1385   },
1386
1387   // ---------- level and editor settings -------------------------------------
1388
1389   {
1390     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1391     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1392     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1393     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1394     &level.fieldx,
1395     "playfield size:",                  NULL, "width",
1396   },
1397   {
1398     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1399     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1400     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1401     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1402     &level.fieldy,
1403     NULL,                               " ", "height",
1404   },
1405   {
1406     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1407     0,                                  999,
1408     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1409     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1410     &level.gems_needed,
1411     NULL,                               "number of gems to collect:", NULL
1412   },
1413   {
1414     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1415     0,                                  9999,
1416     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1417     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1418     &level.time,
1419     "time or step limit to solve level:", NULL, NULL
1420   },
1421   {
1422     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1423     0,                                  999,
1424     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1425     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1426     &level.score[SC_TIME_BONUS],
1427     "score for time or steps left:",    NULL, NULL
1428   },
1429   {
1430     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1431     0,                                  9999,
1432     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1433     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1434     &level.random_seed,
1435     NULL,                               "random seed:", "(0 => random)"
1436   },
1437   {
1438     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1439     1,                                  MAX_LEVELS,
1440     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1441     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1442     &levelset_num_levels,
1443     "number of levels:",                NULL, NULL,
1444   },
1445   {
1446     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1447     1,                                  100,
1448     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1449     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1450     &random_placement_value,
1451     "random element placement:",        NULL, "in"
1452   },
1453
1454   // ---------- element settings: configure (various elements) ----------------
1455
1456   {
1457     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1458     MIN_SCORE,                          MAX_SCORE,
1459     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1460     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1461     NULL,                               // will be set when used
1462     NULL,                               NULL, NULL
1463   },
1464   {
1465     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1466     MIN_SCORE,                          MAX_SCORE,
1467     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1468     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1469     NULL,                               // will be set when used
1470     NULL,                               NULL, NULL
1471   },
1472   {
1473     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1474     MIN_SCORE,                          MAX_SCORE,
1475     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1476     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1477     NULL,                               // will be set when used
1478     NULL,                               NULL, NULL
1479   },
1480   {
1481     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1482     MIN_SCORE,                          MAX_SCORE,
1483     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1484     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1485     NULL,                               // will be set when used
1486     NULL,                               NULL, NULL
1487   },
1488   {
1489     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1490     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1491     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1492     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1493     &level.num_yamyam_contents,
1494     NULL,                               NULL, "number of content areas"
1495   },
1496   {
1497     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1498     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1499     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1500     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1501     &level.num_ball_contents,
1502     NULL,                               NULL, "number of content areas"
1503   },
1504   {
1505     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1506     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1507     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1508     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1509     &level.num_android_clone_elements,
1510     NULL,                               NULL, "number of clonable elements"
1511   },
1512   {
1513     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1514     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1515     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1516     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1517     NULL,                               // will be set when used
1518     NULL,                               NULL, "width",
1519   },
1520   {
1521     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1522     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1523     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1524     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1525     NULL,                               // will be set when used
1526     NULL,                               " ", "height",
1527   },
1528   {
1529     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1530     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1531     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1532     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1533     &level.initial_inventory_size[0],
1534     NULL,                               NULL, "number of inventory elements"
1535   },
1536
1537   // ---------- element settings: configure 1 (custom elements) ---------------
1538
1539   {
1540     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1541     MIN_SCORE,                          MAX_SCORE,
1542     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1543     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1544     &custom_element.collect_score_initial,
1545     NULL,                               "CE score", " "
1546   },
1547   {
1548     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1549     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1550     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1551     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1552     &custom_element.collect_count_initial,
1553     NULL,                               "CE count", NULL
1554   },
1555   {
1556     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1557     0,                                  9999,
1558     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1559     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1560     &custom_element.ce_value_fixed_initial,
1561     NULL,                               "CE value", NULL
1562   },
1563   {
1564     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1565     0,                                  9999,
1566     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1567     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1568     &custom_element.ce_value_random_initial,
1569     NULL,                               "+random", NULL
1570   },
1571   {
1572     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1573     0,                                  999,
1574     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1575     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1576     &custom_element.push_delay_fixed,
1577     NULL,                               "push delay", NULL
1578   },
1579   {
1580     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1581     0,                                  999,
1582     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1583     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1584     &custom_element.push_delay_random,
1585     NULL,                               "+random", NULL
1586   },
1587   {
1588     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1589     0,                                  999,
1590     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1591     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1592     &custom_element.drop_delay_fixed,
1593     NULL,                               "drop delay", NULL
1594   },
1595   {
1596     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1597     0,                                  999,
1598     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1599     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1600     &custom_element.drop_delay_random,
1601     NULL,                               "+random", NULL
1602   },
1603
1604   // ---------- element settings: configure 2 (custom elements) ---------------
1605
1606   {
1607     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1608     0,                                  999,
1609     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1610     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1611     &custom_element.move_delay_fixed,
1612     NULL,                               "move delay", NULL
1613   },
1614   {
1615     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1616     0,                                  999,
1617     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1618     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1619     &custom_element.move_delay_random,
1620     NULL,                               "+random", NULL
1621   },
1622   {
1623     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1624     0,                                  999,
1625     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1626     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1627     &custom_element.step_delay_fixed,
1628     NULL,                               "step delay", NULL
1629   },
1630   {
1631     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1632     0,                                  999,
1633     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1634     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1635     &custom_element.step_delay_random,
1636     NULL,                               "+random", NULL
1637   },
1638   {
1639     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1640     0,                                  999,
1641     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1642     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1643     &custom_element.explosion_delay,
1644     NULL,                               "explosion delay", NULL
1645   },
1646   {
1647     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1648     0,                                  999,
1649     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1650     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1651     &custom_element.ignition_delay,
1652     NULL,                               "ignition delay", "(by fire)"
1653   },
1654
1655   // ---------- element settings: configure (group elements) ------------------
1656
1657   {
1658     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1659     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1660     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1661     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1662     &group_element_info.num_elements,
1663     NULL,                               NULL, "number of elements in group"
1664   },
1665
1666   // ---------- element settings: advanced (custom elements) ------------------
1667
1668   {
1669     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1670     0,                                  999,
1671     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1672     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1673     &custom_element_change.delay_fixed,
1674     NULL,                               "CE delay", NULL,
1675   },
1676   {
1677     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1678     0,                                  999,
1679     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1680     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1681     &custom_element_change.delay_random,
1682     NULL,                               "+random", NULL
1683   },
1684   {
1685     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1686     0,                                  100,
1687     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1688     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1689     &custom_element_change.random_percentage,
1690     NULL,                               "use random replace:", "%"
1691   },
1692 };
1693
1694 static struct
1695 {
1696   int x, y;
1697   int gadget_id;
1698   int size;
1699   char *value;
1700   char *text_above, *infotext;
1701 } textinput_info[ED_NUM_TEXTINPUT] =
1702 {
1703   {
1704     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1705     GADGET_ID_LEVEL_NAME,
1706     MAX_LEVEL_NAME_LEN,
1707     level.name,
1708     "Title:", "Title for this level"
1709   },
1710   {
1711     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1712     GADGET_ID_LEVEL_AUTHOR,
1713     MAX_LEVEL_AUTHOR_LEN,
1714     level.author,
1715     "Author:", "Author for this level"
1716   },
1717   {
1718     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1719     GADGET_ID_LEVELSET_NAME,
1720     MAX_LEVEL_NAME_LEN,
1721     levelset_name,
1722     "Title:", "Title for this or new level set"
1723   },
1724   {
1725     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1726     GADGET_ID_LEVELSET_AUTHOR,
1727     MAX_LEVEL_AUTHOR_LEN,
1728     levelset_author,
1729     "Author:", "Author for this or new level set"
1730   },
1731   {
1732     -1, -1,     // these values are not constant, but can change at runtime
1733     GADGET_ID_ELEMENT_NAME,
1734     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1735     custom_element.description,
1736     NULL, "Element name"
1737   }
1738 };
1739
1740 static struct
1741 {
1742   int x, y;
1743   int gadget_id;
1744   int xsize, ysize;
1745   char *value;
1746   char *text_above, *infotext;
1747 } textarea_info[ED_NUM_TEXTAREAS] =
1748 {
1749   {
1750     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1751     GADGET_ID_ENVELOPE_INFO,
1752     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1753     NULL,
1754     "Envelope Content:", "Envelope Content"
1755   }
1756 };
1757
1758 static struct ValueTextInfo options_time_or_steps[] =
1759 {
1760   { 0,                          "seconds"                       },
1761   { 1,                          "steps"                         },
1762
1763   { -1,                         NULL                            }
1764 };
1765
1766 static struct ValueTextInfo options_time_score_base[] =
1767 {
1768   { 1,                          "per second/step"               },
1769   { 10,                         "per 10 seconds/steps"          },
1770
1771   { -1,                         NULL                            }
1772 };
1773
1774 static struct ValueTextInfo options_game_engine_type[] =
1775 {
1776   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1777   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1778   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1779   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1780
1781   { -1,                         NULL                            }
1782 };
1783
1784 static struct ValueTextInfo options_levelset_save_mode[] =
1785 {
1786   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1787   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1788
1789   { -1,                         NULL                            }
1790 };
1791
1792 static struct ValueTextInfo options_wind_direction[] =
1793 {
1794   { MV_START_NONE,              "none"                          },
1795   { MV_START_LEFT,              "left"                          },
1796   { MV_START_RIGHT,             "right"                         },
1797   { MV_START_UP,                "up"                            },
1798   { MV_START_DOWN,              "down"                          },
1799
1800   { -1,                         NULL                            }
1801 };
1802
1803 static struct ValueTextInfo options_player_speed[] =
1804 {
1805   { 0,                          "frozen"                        },
1806   { 1,                          "very slow"                     },
1807   { 2,                          "slow"                          },
1808   { 4,                          "normal"                        },
1809   { 8,                          "fast"                          },
1810   { 16,                         "very fast"                     },
1811   { 32,                         "ultrafast"                     },
1812
1813   { -1,                         NULL                            }
1814 };
1815
1816 static struct ValueTextInfo options_access_type[] =
1817 {
1818   { EP_WALKABLE,                "walkable"                      },
1819   { EP_PASSABLE,                "passable"                      },
1820
1821   { -1,                         NULL                            }
1822 };
1823
1824 static struct ValueTextInfo options_access_layer[] =
1825 {
1826   { EP_ACCESSIBLE_OVER,         "over"                          },
1827   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1828   { EP_ACCESSIBLE_UNDER,        "under"                         },
1829
1830   { -1,                         NULL                            }
1831 };
1832
1833 static struct ValueTextInfo options_access_protected[] =
1834 {
1835   { 0,                          "unprotected"                   },
1836   { 1,                          "protected"                     },
1837
1838   { -1,                         NULL                            }
1839 };
1840
1841 static struct ValueTextInfo options_access_direction[] =
1842 {
1843   { MV_NO_DIRECTION,            "no direction"                  },
1844   { MV_LEFT,                    "left"                          },
1845   { MV_RIGHT,                   "right"                         },
1846   { MV_UP,                      "up"                            },
1847   { MV_DOWN,                    "down"                          },
1848   { MV_LEFT  | MV_UP,           "left + up"                     },
1849   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1850   { MV_RIGHT | MV_UP,           "right + up"                    },
1851   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1852   { MV_HORIZONTAL,              "horizontal"                    },
1853   { MV_VERTICAL,                "vertical"                      },
1854   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1855   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1856   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1857   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1858   { MV_ALL_DIRECTIONS,          "all directions"                },
1859
1860   { -1,                         NULL                            }
1861 };
1862
1863 static struct ValueTextInfo options_walk_to_action[] =
1864 {
1865   { EP_DIGGABLE,                "diggable"                      },
1866   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1867   { EP_DROPPABLE,               "collectible & droppable"       },
1868   { EP_THROWABLE,               "collectible & throwable"       },
1869   { EP_PUSHABLE,                "pushable"                      },
1870
1871   { -1,                         NULL                            }
1872 };
1873
1874 static struct ValueTextInfo options_move_pattern[] =
1875 {
1876   { MV_LEFT,                    "left"                          },
1877   { MV_RIGHT,                   "right"                         },
1878   { MV_UP,                      "up"                            },
1879   { MV_DOWN,                    "down"                          },
1880   { MV_HORIZONTAL,              "horizontal"                    },
1881   { MV_VERTICAL,                "vertical"                      },
1882   { MV_ALL_DIRECTIONS,          "all directions"                },
1883   { MV_WIND_DIRECTION,          "wind direction"                },
1884   { MV_TOWARDS_PLAYER,          "towards player"                },
1885   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1886   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1887   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1888   { MV_TURNING_LEFT,            "turning left"                  },
1889   { MV_TURNING_RIGHT,           "turning right"                 },
1890   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1891   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1892   { MV_TURNING_RANDOM,          "turning random"                },
1893   { MV_MAZE_RUNNER,             "maze runner style"             },
1894   { MV_MAZE_HUNTER,             "maze hunter style"             },
1895   { MV_WHEN_PUSHED,             "when pushed"                   },
1896   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1897
1898   { -1,                         NULL                            }
1899 };
1900
1901 static struct ValueTextInfo options_move_direction[] =
1902 {
1903   { MV_START_AUTOMATIC,         "automatic"                     },
1904   { MV_START_LEFT,              "left"                          },
1905   { MV_START_RIGHT,             "right"                         },
1906   { MV_START_UP,                "up"                            },
1907   { MV_START_DOWN,              "down"                          },
1908   { MV_START_RANDOM,            "random"                        },
1909   { MV_START_PREVIOUS,          "previous"                      },
1910
1911   { -1,                         NULL                            }
1912 };
1913
1914 static struct ValueTextInfo options_move_stepsize[] =
1915 {
1916   { 0,                          "not moving"                    },
1917   { 1,                          "very slow"                     },
1918   { 2,                          "slow"                          },
1919   { 4,                          "normal"                        },
1920   { 8,                          "fast"                          },
1921   { 16,                         "very fast"                     },
1922   { 32,                         "even faster"                   },
1923
1924   { -1,                         NULL                            }
1925 };
1926
1927 static struct ValueTextInfo options_move_leave_type[] =
1928 {
1929   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1930   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1931
1932   { -1,                         NULL                            }
1933 };
1934
1935 static struct ValueTextInfo options_smash_targets[] =
1936 {
1937   { EP_CAN_SMASH_PLAYER,        "player"                        },
1938 #if 0
1939   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1940 #endif
1941   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1942
1943   { -1,                         NULL                            }
1944 };
1945
1946 static struct ValueTextInfo options_slippery_type[] =
1947 {
1948   { SLIPPERY_ANY_RANDOM,        "random"                        },
1949   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1950   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1951   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1952   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1953
1954   { -1,                         NULL                            }
1955 };
1956
1957 static struct ValueTextInfo options_deadliness[] =
1958 {
1959   { EP_DONT_RUN_INTO,           "running into"                  },
1960   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1961   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1962   { EP_DONT_TOUCH,              "touching"                      },
1963
1964   { -1,                         NULL                            }
1965 };
1966
1967 static struct ValueTextInfo options_explosion_type[] =
1968 {
1969   { EXPLODES_3X3,               "3x3"                           },
1970   { EXPLODES_CROSS,             "3+3"                           },
1971   { EXPLODES_1X1,               "1x1"                           },
1972
1973   { -1,                         NULL                            }
1974 };
1975
1976 static struct ValueTextInfo options_time_units[] =
1977 {
1978   { 1,                          "frames"                        },
1979   { FRAMES_PER_SECOND,          "seconds"                       },
1980
1981   { -1,                         NULL                            }
1982 };
1983
1984 static struct ValueTextInfo options_change_direct_action[] =
1985 {
1986   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1987   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1988   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1989   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1990   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1991   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1992   { CE_LEFT_BY_PLAYER,          "left by player"                },
1993   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1994   { CE_SWITCHED,                "switched"                      },
1995   { CE_HITTING_SOMETHING,       "hitting something"             },
1996   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1997 #if 0
1998   { CE_BLOCKED,                 "blocked"                       },
1999 #endif
2000   { CE_IMPACT,                  "impact (on something)"         },
2001   { CE_SMASHED,                 "smashed (from above)"          },
2002 #if 0
2003   { CE_VALUE_CHANGES,           "CE value changes"              },
2004   { CE_SCORE_CHANGES,           "CE score changes"              },
2005 #endif
2006   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2007   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2008   { CE_UNDEFINED,               " "                             },
2009   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2010   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2011   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2012   { CE_UNDEFINED,               " "                             },
2013   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2014   { CE_NEXT_TO_PLAYER,          "next to player"                },
2015
2016   { -1,                         NULL                            }
2017 };
2018
2019 static struct ValueTextInfo options_change_other_action[] =
2020 {
2021   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2022   { CE_PLAYER_PRESSES_X,        "player presses"                },
2023   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2024   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2025   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2026   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2027   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2028   { CE_PLAYER_DIGS_X,           "player digs"                   },
2029   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2030   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2031   { CE_TOUCHING_X,              "touching"                      },
2032   { CE_HITTING_X,               "hitting"                       },
2033   { CE_DIGGING_X,               "digging"                       },
2034   { CE_HIT_BY_X,                "hit by"                        },
2035   { CE_SWITCH_OF_X,             "switch of"                     },
2036   { CE_CHANGE_OF_X,             "change by page of"             },
2037   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2038   { CE_MOVE_OF_X,               "move of"                       },
2039   { CE_CREATION_OF_X,           "creation of"                   },
2040   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2041   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2042   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2043   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2044   { CE_UNDEFINED,               " "                             },
2045   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2046   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2047   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2048   { CE_UNDEFINED,               " "                             },
2049   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2050   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2051   { CE_NEXT_TO_X,               "next to"                       },
2052
2053   { -1,                         NULL                            }
2054 };
2055
2056 static struct ValueTextInfo options_change_trigger_side[] =
2057 {
2058   { CH_SIDE_LEFT,               "left"                          },
2059   { CH_SIDE_RIGHT,              "right"                         },
2060   { CH_SIDE_TOP,                "top"                           },
2061   { CH_SIDE_BOTTOM,             "bottom"                        },
2062   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2063   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2064   { CH_SIDE_ANY,                "any"                           },
2065
2066   { -1,                         NULL                            }
2067 };
2068
2069 static struct ValueTextInfo options_change_trigger_player[] =
2070 {
2071   { CH_PLAYER_1,                "1"                             },
2072   { CH_PLAYER_2,                "2"                             },
2073   { CH_PLAYER_3,                "3"                             },
2074   { CH_PLAYER_4,                "4"                             },
2075   { CH_PLAYER_ANY,              "any"                           },
2076
2077   { -1,                         NULL                            }
2078 };
2079
2080 static struct ValueTextInfo options_change_trigger_page[] =
2081 {
2082   { (1 << 0),                   "1"                             },
2083   { (1 << 1),                   "2"                             },
2084   { (1 << 2),                   "3"                             },
2085   { (1 << 3),                   "4"                             },
2086   { (1 << 4),                   "5"                             },
2087   { (1 << 5),                   "6"                             },
2088   { (1 << 6),                   "7"                             },
2089   { (1 << 7),                   "8"                             },
2090   { (1 << 8),                   "9"                             },
2091   { (1 << 9),                   "10"                            },
2092   { (1 << 10),                  "11"                            },
2093   { (1 << 11),                  "12"                            },
2094   { (1 << 12),                  "13"                            },
2095   { (1 << 13),                  "14"                            },
2096   { (1 << 14),                  "15"                            },
2097   { (1 << 15),                  "16"                            },
2098   { (1 << 16),                  "17"                            },
2099   { (1 << 17),                  "18"                            },
2100   { (1 << 18),                  "19"                            },
2101   { (1 << 19),                  "20"                            },
2102   { (1 << 20),                  "21"                            },
2103   { (1 << 21),                  "22"                            },
2104   { (1 << 22),                  "23"                            },
2105   { (1 << 23),                  "24"                            },
2106   { (1 << 24),                  "25"                            },
2107   { (1 << 25),                  "26"                            },
2108   { (1 << 26),                  "27"                            },
2109   { (1 << 27),                  "28"                            },
2110   { (1 << 28),                  "29"                            },
2111   { (1 << 29),                  "30"                            },
2112   { (1 << 30),                  "31"                            },
2113   { (1 << 31),                  "32"                            },
2114   { CH_PAGE_ANY,                "any"                           },
2115
2116   { -1,                         NULL                            }
2117 };
2118
2119 static struct ValueTextInfo options_change_replace_when[] =
2120 {
2121   { CP_WHEN_EMPTY,              "empty"                         },
2122   { CP_WHEN_WALKABLE,           "walkable"                      },
2123   { CP_WHEN_DIGGABLE,           "diggable"                      },
2124   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2125   { CP_WHEN_REMOVABLE,          "removable"                     },
2126   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2127
2128   { -1,                         NULL                            }
2129 };
2130
2131 static struct ValueTextInfo options_action_type[] =
2132 {
2133   { CA_NO_ACTION,               "no action"                     },
2134   { CA_UNDEFINED,               " "                             },
2135   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2136   { CA_RESTART_LEVEL,           "restart level"                 },
2137   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2138   { CA_SET_LEVEL_TIME,          "set time"                      },
2139   { CA_SET_LEVEL_SCORE,         "set score"                     },
2140   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2141   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2142   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2143   { CA_UNDEFINED,               " "                             },
2144   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2145   { CA_MOVE_PLAYER,             "move player"                   },
2146   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2147   { CA_EXIT_PLAYER,             "exit player"                   },
2148   { CA_KILL_PLAYER,             "kill player"                   },
2149   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2150   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2151   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2152   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2153   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2154   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2155   { CA_UNDEFINED,               " "                             },
2156   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2157   { CA_SET_CE_VALUE,            "set CE value"                  },
2158   { CA_SET_CE_SCORE,            "set CE score"                  },
2159   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2160   { CA_UNDEFINED,               " "                             },
2161   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2162   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2163
2164   { -1,                         NULL                            }
2165 };
2166
2167 static struct ValueTextInfo options_action_mode_none[] =
2168 {
2169   { CA_MODE_UNDEFINED,          " "                             },
2170
2171   { -1,                         NULL                            }
2172 };
2173
2174 static struct ValueTextInfo options_action_mode_assign[] =
2175 {
2176   { CA_MODE_SET,                "="                             },
2177
2178   { -1,                         NULL                            }
2179 };
2180
2181 static struct ValueTextInfo options_action_mode_add_remove[] =
2182 {
2183   { CA_MODE_ADD,                "+"                             },
2184   { CA_MODE_SUBTRACT,           "-"                             },
2185
2186   { -1,                         NULL                            }
2187 };
2188
2189 static struct ValueTextInfo options_action_mode_calculate[] =
2190 {
2191   { CA_MODE_SET,                "="                             },
2192   { CA_MODE_ADD,                "+"                             },
2193   { CA_MODE_SUBTRACT,           "-"                             },
2194   { CA_MODE_MULTIPLY,           "*"                             },
2195   { CA_MODE_DIVIDE,             "/"                             },
2196   { CA_MODE_MODULO,             "%"                             },
2197
2198   { -1,                         NULL                            }
2199 };
2200
2201 static struct ValueTextInfo options_action_arg_none[] =
2202 {
2203   { CA_ARG_UNDEFINED,           "         "                     },
2204
2205   { -1,                         NULL                            }
2206 };
2207
2208 static struct ValueTextInfo options_action_arg_player[] =
2209 {
2210   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2211   { CA_ARG_PLAYER_1,            "1"                             },
2212   { CA_ARG_PLAYER_2,            "2"                             },
2213   { CA_ARG_PLAYER_3,            "3"                             },
2214   { CA_ARG_PLAYER_4,            "4"                             },
2215   { CA_ARG_PLAYER_ANY,          "any"                           },
2216   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2217   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2218
2219   { -1,                         NULL                            }
2220 };
2221
2222 static struct ValueTextInfo options_action_arg_number[] =
2223 {
2224   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2225   { CA_ARG_0,                   "0"                             },
2226   { CA_ARG_1,                   "1"                             },
2227   { CA_ARG_2,                   "2"                             },
2228   { CA_ARG_3,                   "3"                             },
2229   { CA_ARG_4,                   "4"                             },
2230   { CA_ARG_5,                   "5"                             },
2231   { CA_ARG_10,                  "10"                            },
2232   { CA_ARG_100,                 "100"                           },
2233   { CA_ARG_1000,                "1000"                          },
2234   { CA_ARG_UNDEFINED,           " "                             },
2235   { CA_ARG_NUMBER_MIN,          "min"                           },
2236   { CA_ARG_NUMBER_MAX,          "max"                           },
2237   { CA_ARG_UNDEFINED,           " "                             },
2238   { CA_ARG_NUMBER_RESET,        "reset"                         },
2239   { CA_ARG_UNDEFINED,           " "                             },
2240   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2241   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2242   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2243   { CA_ARG_UNDEFINED,           " "                             },
2244   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2245   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2246   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2247   { CA_ARG_UNDEFINED,           " "                             },
2248   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2249   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2250   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2251   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2252   { CA_ARG_UNDEFINED,           " "                             },
2253   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2254   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2255   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2256   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2257
2258   { -1,                         NULL                            }
2259 };
2260
2261 static struct ValueTextInfo options_action_arg_value[] =
2262 {
2263   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2264   { CA_ARG_0,                   "0"                             },
2265   { CA_ARG_1,                   "1"                             },
2266   { CA_ARG_2,                   "2"                             },
2267   { CA_ARG_3,                   "3"                             },
2268   { CA_ARG_4,                   "4"                             },
2269   { CA_ARG_5,                   "5"                             },
2270   { CA_ARG_10,                  "10"                            },
2271   { CA_ARG_100,                 "100"                           },
2272   { CA_ARG_1000,                "1000"                          },
2273   { CA_ARG_UNDEFINED,           " "                             },
2274   { CA_ARG_NUMBER_MIN,          "min"                           },
2275   { CA_ARG_NUMBER_MAX,          "max"                           },
2276   { CA_ARG_UNDEFINED,           " "                             },
2277   { CA_ARG_NUMBER_RESET,        "reset"                         },
2278   { CA_ARG_UNDEFINED,           " "                             },
2279   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2280   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2281   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2282   { CA_ARG_UNDEFINED,           " "                             },
2283   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2284   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2285   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2286   { CA_ARG_UNDEFINED,           " "                             },
2287   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2288   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2289   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2290   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2291   { CA_ARG_UNDEFINED,           " "                             },
2292   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2293   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2294   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2295   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2296   { CA_ARG_UNDEFINED,           " "                             },
2297   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2298   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2299   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2300   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2301
2302   { -1,                         NULL                            }
2303 };
2304
2305 static struct ValueTextInfo options_action_arg_envelope[] =
2306 {
2307   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2308   { CA_ARG_1,                   "1"                             },
2309   { CA_ARG_2,                   "2"                             },
2310   { CA_ARG_3,                   "3"                             },
2311   { CA_ARG_4,                   "4"                             },
2312   { CA_ARG_UNDEFINED,           " "                             },
2313   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2314   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2315   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2316   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2317
2318   { -1,                         NULL                            }
2319 };
2320
2321 static struct ValueTextInfo options_action_arg_key[] =
2322 {
2323   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2324   { CA_ARG_1,                   "1"                             },
2325   { CA_ARG_2,                   "2"                             },
2326   { CA_ARG_3,                   "3"                             },
2327   { CA_ARG_4,                   "4"                             },
2328   { CA_ARG_5,                   "5"                             },
2329   { CA_ARG_6,                   "6"                             },
2330   { CA_ARG_7,                   "7"                             },
2331   { CA_ARG_8,                   "8"                             },
2332   { CA_ARG_UNDEFINED,           " "                             },
2333   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2334   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2335   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2336   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2337
2338   { -1,                         NULL                            }
2339 };
2340
2341 static struct ValueTextInfo options_action_arg_speed[] =
2342 {
2343   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2344   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2345   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2346   { CA_ARG_SPEED_SLOW,          "slow"                          },
2347   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2348   { CA_ARG_SPEED_FAST,          "fast"                          },
2349   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2350   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2351   { CA_ARG_UNDEFINED,           " "                             },
2352   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2353   { CA_ARG_SPEED_FASTER,        "faster"                        },
2354   { CA_ARG_UNDEFINED,           " "                             },
2355   { CA_ARG_SPEED_RESET,         "reset"                         },
2356
2357   { -1,                         NULL                            }
2358 };
2359
2360 static struct ValueTextInfo options_action_arg_shield[] =
2361 {
2362   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2363   { CA_ARG_SHIELD_OFF,          "off"                           },
2364   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2365   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2366
2367   { -1,                         NULL                            }
2368 };
2369
2370 static struct ValueTextInfo options_action_arg_artwork[] =
2371 {
2372   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2373   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2374   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2375   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2376   { CA_ARG_UNDEFINED,           " "                             },
2377   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2378
2379   { -1,                         NULL                            }
2380 };
2381
2382 static struct ValueTextInfo options_action_arg_gravity[] =
2383 {
2384   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2385   { CA_ARG_GRAVITY_ON,          "on"                            },
2386   { CA_ARG_GRAVITY_OFF,         "off"                           },
2387   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2388
2389   { -1,                         NULL                            }
2390 };
2391
2392 static struct ValueTextInfo options_action_arg_direction[] =
2393 {
2394   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2395   { CA_ARG_DIRECTION_NONE,      "none"                          },
2396   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2397   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2398   { CA_ARG_DIRECTION_UP,        "up"                            },
2399   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2400   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2401   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2402
2403   { -1,                         NULL                            }
2404 };
2405
2406 static struct ValueTextInfo options_action_arg_scan_mode[] =
2407 {
2408   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2409   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2410   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2411
2412   { -1,                         NULL                            }
2413 };
2414
2415 static struct ValueTextInfo options_action_arg_inventory[] =
2416 {
2417   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2418   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2419   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2420   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2421   { CA_ARG_UNDEFINED,           " "                             },
2422   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2423   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2424   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2425   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2426   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2427   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2428   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2429   { CA_ARG_UNDEFINED,           " "                             },
2430   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2431
2432   { -1,                         NULL                            }
2433 };
2434
2435 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2436 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2437 {
2438   { -1,                         NULL                            }
2439 };
2440
2441 static struct ValueTextInfo options_group_choice_mode[] =
2442 {
2443   { ANIM_RANDOM,                "random"                        },
2444   { ANIM_LOOP,                  "loop"                          },
2445   { ANIM_LINEAR,                "linear"                        },
2446   { ANIM_PINGPONG,              "pingpong"                      },
2447   { ANIM_PINGPONG2,             "pingpong 2"                    },
2448
2449   { -1,                         NULL                            }
2450 };
2451
2452 static struct ValueTextInfo *action_arg_modes[] =
2453 {
2454   options_action_mode_none,
2455   options_action_mode_assign,
2456   options_action_mode_add_remove,
2457   options_action_mode_calculate,
2458 };
2459
2460 static struct
2461 {
2462   int value;
2463   int mode;
2464   struct ValueTextInfo *options;
2465 }
2466 action_arg_options[] =
2467 {
2468   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2469   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2470   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2471   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2472   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2473   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2474   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2475   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2476   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2477   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2478   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2479   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2480   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2481   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2482   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2483   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2484   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2485   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2486   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2487   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2488   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2489   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2490
2491   { -1,                         FALSE,  NULL                            }
2492 };
2493
2494 static struct
2495 {
2496   int x, y;
2497   int gadget_id;
2498   int gadget_id_align;
2499   int size;     // char size of selectbox or '-1' (dynamically determined)
2500   struct ValueTextInfo *options;
2501   int *value;
2502   char *text_above, *text_left, *text_right, *infotext;
2503 } selectbox_info[ED_NUM_SELECTBOX] =
2504 {
2505   // ---------- level and editor settings -------------------------------------
2506
2507   {
2508     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2509     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2510     -1,
2511     options_time_or_steps,
2512     &level.use_step_counter,
2513     NULL, NULL, "(0 => no limit)",      "time or step limit"
2514   },
2515   {
2516     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2517     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2518     -1,
2519     options_time_score_base,
2520     &level.time_score_base,
2521     NULL, NULL, NULL,                   "time score for 1 or 10 seconds/steps"
2522   },
2523   {
2524     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2525     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2526     -1,
2527     options_game_engine_type,
2528     &level.game_engine_type,
2529     NULL, "game engine:", NULL,         "game engine"
2530   },
2531   {
2532     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2533     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2534     -1,
2535     options_levelset_save_mode,
2536     &levelset_save_mode,
2537     "Action:", NULL, NULL,              "action when saving level set"
2538   },
2539
2540   // ---------- element settings: configure (several elements) ----------------
2541
2542   {
2543     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2544     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2545     -1,
2546     options_wind_direction,
2547     &level.wind_direction_initial,
2548     NULL, "initial wind direction:", NULL,      "initial wind direction"
2549   },
2550   {
2551     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2552     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2553     -1,
2554     options_player_speed,
2555     &level.initial_player_stepsize[0],
2556     NULL, "initial player speed:", NULL,        "initial player speed"
2557   },
2558
2559   // ---------- element settings: configure 1 (custom elements) ---------------
2560
2561   {
2562     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2563     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2564     -1,
2565     options_access_type,
2566     &custom_element.access_type,
2567     NULL, NULL, NULL,                   "type of access to this field"
2568   },
2569   {
2570     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2571     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2572     -1,
2573     options_access_layer,
2574     &custom_element.access_layer,
2575     NULL, NULL, NULL,                   "layer of access for this field"
2576   },
2577   {
2578     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2579     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2580     -1,
2581     options_access_protected,
2582     &custom_element.access_protected,
2583     NULL, NULL, NULL,                   "protected access for this field"
2584   },
2585   {
2586     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2587     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2588     -1,
2589     options_access_direction,
2590     &custom_element.access_direction,
2591     NULL, "from", NULL,                 "access direction for this field"
2592   },
2593   {
2594     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2595     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2596     -1,
2597     options_walk_to_action,
2598     &custom_element.walk_to_action,
2599     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2600   },
2601
2602   // ---------- element settings: configure 2 (custom elements) ---------------
2603
2604   {
2605     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2606     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2607     -1,
2608     options_move_pattern,
2609     &custom_element.move_pattern,
2610     NULL, "can move", NULL,             "element move pattern"
2611   },
2612   {
2613     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2614     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2615     -1,
2616     options_move_direction,
2617     &custom_element.move_direction_initial,
2618     NULL, "starts moving", NULL,        "initial element move direction"
2619   },
2620   {
2621     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2622     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2623     -1,
2624     options_move_stepsize,
2625     &custom_element.move_stepsize,
2626     NULL, "move/fall speed", NULL,      "speed of element movement"
2627   },
2628   {
2629     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2630     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2631     -1,
2632     options_move_leave_type,
2633     &custom_element.move_leave_type,
2634     // left text with leading spaces to place gadget next to "can dig" gadget
2635     // (needed because drawing area gadgets created after selectbox gadgets)
2636     // NULL, "can dig:    can", ":",    "leave behind or change element"
2637     NULL, "            can", ":",       "leave behind or change element"
2638   },
2639   {
2640     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2641     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2642     -1,
2643     options_smash_targets,
2644     &custom_element.smash_targets,
2645     NULL, "can smash", NULL,            "elements that can be smashed"
2646   },
2647   {
2648     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2649     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2650     -1,
2651     options_slippery_type,
2652     &custom_element.slippery_type,
2653     NULL, "slippery", NULL,             "where other elements fall down"
2654   },
2655   {
2656     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2657     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2658     -1,
2659     options_deadliness,
2660     &custom_element.deadliness,
2661     NULL, "deadly when", NULL,          "deadliness of element"
2662   },
2663   {
2664     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2665     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2666     -1,
2667     options_explosion_type,
2668     &custom_element.explosion_type,
2669     NULL, "can explode", NULL,          "explosion type"
2670   },
2671
2672   // ---------- element settings: advanced (custom elements) ------------------
2673
2674   {
2675     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2676     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2677     -1,
2678     options_time_units,
2679     &custom_element_change.delay_frames,
2680     NULL, "delay time given in", NULL,  "delay time units for change"
2681   },
2682   {
2683     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2684     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2685     -1,
2686     options_change_direct_action,
2687     &custom_element_change.direct_action,
2688     NULL, NULL, NULL,                   "type of direct action"
2689   },
2690   {
2691     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2692     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2693     -1,
2694     options_change_other_action,
2695     &custom_element_change.other_action,
2696     NULL, NULL, "element:",             "type of other element action"
2697   },
2698   {
2699     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2700     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2701     -1,
2702     options_change_trigger_side,
2703     &custom_element_change.trigger_side,
2704     NULL, "at", "side",                 "element side triggering change"
2705   },
2706   {
2707     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2708     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2709     -1,
2710     options_change_trigger_player,
2711     &custom_element_change.trigger_player,
2712     NULL, "player:", " ",               "player that causes change"
2713   },
2714   {
2715     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2716     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2717     -1,
2718     options_change_trigger_page,
2719     &custom_element_change.trigger_page,
2720     NULL, "page:", NULL,                "change page that causes change"
2721   },
2722   {
2723     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2724     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2725     -1,
2726     options_change_replace_when,
2727     &custom_element_change.replace_when,
2728     NULL, "replace when", NULL,         "which elements can be replaced"
2729   },
2730   {
2731     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2732     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2733     15,
2734     options_action_type,
2735     &custom_element_change.action_type,
2736     NULL, NULL, NULL,                   "action on specified condition"
2737   },
2738   {
2739     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2740     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2741     -1,
2742     options_action_mode_none,
2743     &custom_element_change.action_mode,
2744     NULL, NULL, NULL,                   "action operator"
2745   },
2746   {
2747     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2748     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2749     -1,
2750     options_action_arg_none,
2751     &custom_element_change.action_arg,
2752     NULL, NULL, NULL,                   "action parameter"
2753   },
2754   {
2755     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2756     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2757     3,
2758     options_change_page,
2759     &custom_element.current_change_page,
2760     NULL, NULL, NULL,                   "element change page"
2761   },
2762
2763   // ---------- element settings: configure (group elements) ------------------
2764
2765   {
2766     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2767     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2768     -1,
2769     options_group_choice_mode,
2770     &group_element_info.choice_mode,
2771     NULL, "choice type:", NULL,         "type of group element choice"
2772   },
2773 };
2774
2775 static struct
2776 {
2777   int x, y;
2778   int gadget_id;
2779   int gadget_id_align;
2780   int size;
2781   char *text;
2782   char *text_above, *text_left, *text_right, *infotext;
2783 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2784 {
2785   // ---------- level and editor settings (tabs) ------------------------------
2786
2787   {
2788     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2789     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2790     8,                                  "Level",
2791     NULL, NULL, NULL,                   "Configure level properties"
2792   },
2793   {
2794     -1,                                 -1,
2795     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2796     8,                                  "Levelset",
2797     NULL, NULL, NULL,                   "Update this or create new level set"
2798   },
2799   {
2800     -1,                                 -1,
2801     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2802     8,                                  "Editor",
2803     NULL, NULL, NULL,                   "Configure editor properties"
2804   },
2805
2806   // ---------- element settings (tabs) ---------------------------------------
2807
2808   {
2809     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2810     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2811     8,                                  "Info",
2812     NULL, NULL, NULL,                   "Show information about element"
2813   },
2814   {
2815     -1,                                 -1,
2816     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2817     8,                                  "Config",
2818     NULL, NULL, NULL,                   "Configure element properties"
2819   },
2820   {
2821     -1,                                 -1,
2822     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2823     8,                                  "Config 1",
2824     NULL, NULL, NULL,                   "Configure element properties, part 1"
2825   },
2826   {
2827     -1,                                 -1,
2828     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2829     8,                                  "Config 2",
2830     NULL, NULL, NULL,                   "Configure element properties, part 2"
2831   },
2832   {
2833     -1,                                 -1,
2834     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2835     8,                                  "Change",
2836     NULL, NULL, NULL,                   "Configure custom element change pages"
2837   },
2838
2839   // ---------- level and editor settings (buttons) ---------------------------
2840
2841   {
2842     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2843     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2844     -1,                                 "Save",
2845     NULL, NULL, NULL,                   "Update or create level set"
2846   },
2847   {
2848     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2849     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2850     -1,                                 "Save",
2851     NULL, NULL,                         "this level as level template",
2852     "Save current settings as new template"
2853   },
2854
2855   // ---------- element settings (buttons) ------------------------------------
2856
2857   {
2858     -1,                                 -1,
2859     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2860     -1,                                 "Save",
2861     NULL, " ",                          "As Template",
2862     "Save current settings as new template"
2863   },
2864   {
2865     -1,                                 -1,
2866     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2867     -1,                                 "New",
2868     NULL, NULL, NULL,                   "Add new change page"
2869   },
2870   {
2871     -1,                                 -1,
2872     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2873     -1,                                 "Delete",
2874     NULL, NULL, NULL,                   "Delete current change page"
2875   },
2876 };
2877
2878 static struct
2879 {
2880   int graphic;
2881   int x, y;
2882   int gadget_id;
2883   int gadget_id_align;
2884   char *text_left, *text_right, *infotext;
2885 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2886 {
2887   {
2888     IMG_EDITOR_COUNTER_DOWN,
2889     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2890     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2891     NULL, NULL,                         "select previous change page"
2892   },
2893   {
2894     IMG_EDITOR_COUNTER_UP,
2895     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2896     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2897     NULL, "change page",                "select next change page"
2898   },
2899   {
2900     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2901     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2902     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2903     " ", NULL,                          "copy settings from this change page"
2904   },
2905   {
2906     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2907     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2908     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2909     NULL, NULL,                         "paste settings to this change page"
2910   },
2911 };
2912
2913 static struct
2914 {
2915   int x, y;
2916 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2917
2918 static struct
2919 {
2920   int graphic;
2921   int gadget_id;
2922   char *infotext;
2923 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2924 {
2925   {
2926     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2927     GADGET_ID_SCROLL_UP,
2928     "scroll level editing area up"
2929   },
2930   {
2931     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2932     GADGET_ID_SCROLL_DOWN,
2933     "scroll level editing area down"
2934   },
2935   {
2936     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2937     GADGET_ID_SCROLL_LEFT,
2938     "scroll level editing area left"
2939   },
2940   {
2941     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2942     GADGET_ID_SCROLL_RIGHT,
2943     "scroll level editing area right"
2944   },
2945   {
2946     IMG_EDITOR_PALETTE_SCROLL_UP,
2947     GADGET_ID_SCROLL_LIST_UP,
2948     "scroll element list up ('Page Up')"
2949   },
2950   {
2951     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2952     GADGET_ID_SCROLL_LIST_DOWN,
2953     "scroll element list down ('Page Down')"
2954   },
2955 };
2956
2957 static struct
2958 {
2959   int x, y;
2960   int width, height;
2961   int wheel_x, wheel_y;
2962   int wheel_width, wheel_height;
2963 } scrollbar_pos[ED_NUM_SCROLLBARS];
2964
2965 static struct
2966 {
2967   int graphic;
2968   int type;
2969   int gadget_id;
2970   char *infotext;
2971 } scrollbar_info[ED_NUM_SCROLLBARS] =
2972 {
2973   {
2974     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2975     GD_TYPE_SCROLLBAR_HORIZONTAL,
2976     GADGET_ID_SCROLL_HORIZONTAL,
2977     "scroll level editing area horizontally"
2978   },
2979   {
2980     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2981     GD_TYPE_SCROLLBAR_VERTICAL,
2982     GADGET_ID_SCROLL_VERTICAL,
2983     "scroll level editing area vertically"
2984   },
2985   {
2986     IMG_EDITOR_PALETTE_SCROLLBAR,
2987     GD_TYPE_SCROLLBAR_VERTICAL,
2988     GADGET_ID_SCROLL_LIST_VERTICAL,
2989     "scroll element list vertically"
2990   }
2991 };
2992
2993
2994 static struct
2995 {
2996   int x, y;
2997   int gadget_id;
2998   int gadget_id_align;
2999   int radio_button_nr;
3000   int *value;
3001   int checked_value;
3002   char *text_left, *text_right, *infotext;
3003 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3004 {
3005   {
3006     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3007     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3008     RADIO_NR_RANDOM_ELEMENTS,
3009     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3010     " ", "percentage",                  "use percentage for random elements"
3011   },
3012   {
3013     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3014     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3015     RADIO_NR_RANDOM_ELEMENTS,
3016     &random_placement_method,           RANDOM_USE_QUANTITY,
3017     " ", "quantity",                    "use quantity for random elements"
3018   }
3019 };
3020
3021 static struct
3022 {
3023   int x, y;
3024   int gadget_id;
3025   int gadget_id_align;
3026   boolean *value;
3027   char *text_above, *text_left, *text_right, *infotext;
3028 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3029 {
3030   // ---------- level and editor settings -------------------------------------
3031
3032   {
3033     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3034     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3035     &level.auto_count_gems,
3036     NULL, NULL,
3037     "automatically count gems needed",  "set counter to number of gems"
3038   },
3039   {
3040     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3041     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3042     &level.rate_time_over_score,
3043     NULL, NULL,
3044     "rate time/steps used over score",  "sort high scores by playing time/steps"
3045   },
3046   {
3047     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3048     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3049     &levelset_use_levelset_artwork,
3050     NULL, NULL,
3051     "use current custom artwork",       "use custom artwork of this level set"
3052   },
3053   {
3054     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3055     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3056     &levelset_copy_level_template,
3057     NULL, NULL,
3058     "copy current level template",      "copy level template of this level set"
3059   },
3060   {
3061     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3062     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3063     &random_placement_background_restricted,
3064     NULL, NULL,
3065     "restrict random placement to:",    "set random placement restriction"
3066   },
3067   {
3068     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3069     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3070     &setup.editor.use_template_for_new_levels,
3071     "Template for new levels and CE/GE:", NULL,
3072     "use template for new levels",      "use template for level properties"
3073   },
3074   {
3075     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3076     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3077     &level.use_custom_template,
3078     NULL, NULL,
3079     "use template for custom elements", "use template for custom properties"
3080   },
3081
3082   // ---------- element settings: configure (various elements) ----------------
3083
3084   {
3085     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3086     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3087     &stick_element_properties_window,
3088     NULL, NULL,
3089     "stick this screen to edit content","stick this screen to edit content"
3090   },
3091   {
3092     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3093     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3094     &level.em_slippery_gems,
3095     NULL, NULL,
3096     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3097   },
3098   {
3099     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3100     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3101     &level.em_explodes_by_fire,
3102     NULL, NULL,
3103     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3104   },
3105   {
3106     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3107     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3108     &level.use_spring_bug,
3109     NULL, NULL,
3110     "use spring pushing bug",           "use odd spring pushing behaviour"
3111   },
3112   {
3113     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3114     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3115     &level.use_time_orb_bug,
3116     NULL, NULL,
3117     "use time orb bug",                 "use odd time orb behaviour"
3118   },
3119   {
3120     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3121     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3122     &level.use_life_bugs,
3123     NULL, NULL,
3124     "use buggy element behaviour",      "use odd (historic) element behaviour"
3125   },
3126   {
3127     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3128     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3129     &level.ball_random,
3130     NULL, NULL,
3131     "create single random element",     "only create one element from content"
3132   },
3133   {
3134     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3135     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3136     &level.ball_active_initial,
3137     NULL, NULL,
3138     "magic ball initially activated",   "activate magic ball after level start"
3139   },
3140   {
3141     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3142     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3143     &level.grow_into_diggable,
3144     NULL, NULL,
3145     "can grow into anything diggable",  "grow into more than just sand"
3146   },
3147   {
3148     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3149     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3150     &level.sb_fields_needed,
3151     NULL, NULL,
3152     "all fields need to be filled",     "require all SB fields to be solved"
3153   },
3154   {
3155     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3156     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3157     &level.sb_objects_needed,
3158     NULL, NULL,
3159     "all objects need to be placed",    "require all SB objects to be solved"
3160   },
3161   {
3162     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3163     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3164     &level.auto_exit_sokoban,
3165     NULL, NULL,
3166     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3167   },
3168   {
3169     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3170     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3171     &level.solved_by_one_player,
3172     NULL, NULL,
3173     "only one player must enter exit",  "level solved by first player in exit"
3174   },
3175   {
3176     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3177     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3178     &level.finish_dig_collect,
3179     NULL, NULL,
3180     "CE action on finished dig/collect", "only finished dig/collect triggers CE"
3181   },
3182   {
3183     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3184     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3185     &level.keep_walkable_ce,
3186     NULL, NULL,
3187     "keep walkable CE changed to player", "keep CE changing to player if walkable"
3188   },
3189   {
3190     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3191     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3192     &level.continuous_snapping,
3193     NULL, NULL,
3194     "continuous snapping",              "use snapping without releasing key"
3195   },
3196   {
3197     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3198     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3199     &level.block_snap_field,
3200     NULL, NULL,
3201     "block snapped field when snapping", "use snapping delay to show animation"
3202   },
3203   {
3204     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3205     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3206     &level.block_last_field,
3207     NULL, NULL,
3208     "block last field when moving",     "player blocks last field when moving"
3209   },
3210   {
3211     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3212     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3213     &level.sp_block_last_field,
3214     NULL, NULL,
3215     "block last field when moving",     "player blocks last field when moving"
3216   },
3217   {
3218     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3219     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3220     &level.instant_relocation,
3221     NULL, NULL,
3222     "no scrolling when relocating",     "player gets relocated without delay"
3223   },
3224   {
3225     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3226     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3227     &level.shifted_relocation,
3228     NULL, NULL,
3229     "no centering when relocating",     "level not centered after relocation"
3230   },
3231   {
3232     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3233     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3234     &level.lazy_relocation,
3235     NULL, NULL,
3236     "only redraw off-screen relocation","no redraw if relocation target visible"
3237   },
3238   {
3239     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3240     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3241     &level.use_start_element[0],
3242     NULL, NULL,
3243     "use level start element:",        "start level at this element's position"
3244   },
3245   {
3246     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3247     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3248     &level.use_artwork_element[0],
3249     NULL, NULL,
3250     "use artwork from element:",        "use player artwork from other element"
3251   },
3252   {
3253     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3254     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3255     &level.use_explosion_element[0],
3256     NULL, NULL,
3257     "use explosion from element:",      "use explosion properties from element"
3258   },
3259   {
3260     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3261     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3262     &level.initial_player_gravity[0],
3263     NULL, NULL,
3264     "use initial gravity",              "set initial player gravity"
3265   },
3266   {
3267     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3268     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3269     &level.use_initial_inventory[0],
3270     NULL, NULL,
3271     "use initial inventory:",           "use collected elements on level start"
3272   },
3273   {
3274     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3275     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3276     &level.can_pass_to_walkable,
3277     NULL, NULL,
3278     "can pass to walkable element",     "player can pass to empty or walkable"
3279   },
3280   {
3281     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3282     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3283     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3284     NULL, NULL,
3285     "can fall into acid (with gravity)","player can fall into acid pool"
3286   },
3287   {
3288     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3289     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3290     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3291     NULL, NULL,
3292     "can move into acid",               "element can move into acid pool"
3293   },
3294   {
3295     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3296     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3297     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3298     NULL, NULL,
3299     "deadly when colliding with",       "element is deadly when hitting player"
3300   },
3301   {
3302     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3303     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3304     &level.envelope[0].autowrap,
3305     NULL, NULL,
3306     "auto-wrap",                        "automatically wrap envelope text"
3307   },
3308   {
3309     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3310     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3311     &level.envelope[0].centered,
3312     NULL, " ",
3313     "centered",                         "automatically center envelope text"
3314   },
3315   {
3316     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3317     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3318     &level.mm_laser_red,
3319     "choose color components for laser:", NULL,
3320     "red",                              "use red color components in laser"
3321   },
3322   {
3323     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3324     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3325     &level.mm_laser_green,
3326     NULL, NULL,
3327     "green",                            "use green color components in laser"
3328   },
3329   {
3330     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3331     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3332     &level.mm_laser_blue,
3333     NULL, NULL,
3334     "blue",                             "use blue color components in laser"
3335   },
3336   {
3337     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3338     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3339     &level.df_laser_red,
3340     "choose color components for laser:", NULL,
3341     "red",                              "use red color components in laser"
3342   },
3343   {
3344     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3345     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3346     &level.df_laser_green,
3347     NULL, NULL,
3348     "green",                            "use green color components in laser"
3349   },
3350   {
3351     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3352     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3353     &level.df_laser_blue,
3354     NULL, NULL,
3355     "blue",                             "use blue color components in laser"
3356   },
3357
3358   // ---------- element settings: configure 1 (custom elements) ---------------
3359
3360   {
3361     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3362     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3363     &custom_element.use_gfx_element,
3364     NULL, NULL,
3365     "use graphic of element:",          "use existing element graphic"
3366   },
3367   {
3368     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3369     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3370     &level.use_custom_template,
3371     NULL, NULL,
3372     "use template",                     "use template for custom properties"
3373   },
3374   {
3375     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3376     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3377     &custom_element_properties[EP_ACCESSIBLE],
3378     NULL, NULL,
3379     NULL,                               "player can walk to or pass this field"
3380   },
3381   {
3382     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3383     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3384     &custom_element_properties[EP_GRAVITY_REACHABLE],
3385     NULL, NULL,
3386     "reachable despite gravity",        "player can walk/dig despite gravity"
3387   },
3388   {
3389     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3390     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3391     &custom_element.use_last_ce_value,
3392     NULL, NULL,
3393     "use last CE value after change",   "use last CE value after change"
3394   },
3395   {
3396     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3397     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3398     &custom_element_properties[EP_WALK_TO_OBJECT],
3399     NULL, NULL,
3400     NULL,                               "player can dig/collect/push element"
3401   },
3402   {
3403     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3404     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3405     &custom_element_properties[EP_INDESTRUCTIBLE],
3406     NULL, NULL,
3407     "indestructible",                   "element is indestructible"
3408   },
3409
3410   // ---------- element settings: configure 2 (custom elements) ---------------
3411
3412   {
3413     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3414     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3415     &custom_element_properties[EP_CAN_MOVE],
3416     NULL, NULL,
3417     NULL,                               "element can move with some pattern"
3418   },
3419   {
3420     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3421     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3422     &custom_element_properties[EP_CAN_FALL],
3423     NULL, NULL,
3424     "can fall",                         "element can fall down"
3425   },
3426   {
3427     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3428     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3429     &custom_element_properties[EP_CAN_SMASH],
3430     NULL, " ",
3431     NULL,                               "element can smash other elements"
3432   },
3433   {
3434     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3435     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3436     &custom_element_properties[EP_SLIPPERY],
3437     NULL, NULL,
3438     NULL,                               "other elements can fall down from it"
3439   },
3440   {
3441     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3442     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3443     &custom_element_properties[EP_DEADLY],
3444     NULL, NULL,
3445     NULL,                               "element can kill the player"
3446   },
3447   {
3448     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3449     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3450     &custom_element_properties[EP_CAN_EXPLODE],
3451     NULL, NULL,
3452     NULL,                               "element can explode"
3453   },
3454   {
3455     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
3456     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3457     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3458     NULL, NULL,
3459     "by fire",                          "element can explode by fire/explosion"
3460   },
3461   {
3462     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3463     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3464     &custom_element_properties[EP_EXPLODES_SMASHED],
3465     NULL, " ",
3466     "smashed",                          "element can explode when smashed"
3467   },
3468   {
3469     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3470     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3471     &custom_element_properties[EP_EXPLODES_IMPACT],
3472     NULL, " ",
3473     "impact",                           "element can explode on impact"
3474   },
3475
3476   // ---------- element settings: advanced (custom elements) ------------------
3477
3478   {
3479     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3480     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3481     &custom_element_change.can_change,
3482     NULL, NULL,
3483     "element changes to:",              "change element on specified condition"
3484   },
3485   {
3486     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3487     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3488     &custom_element_change_events[CE_DELAY],
3489     NULL, NULL,
3490     NULL,                               "element changes after delay"
3491   },
3492   {
3493     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3494     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3495     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3496     NULL, NULL,
3497     NULL,                               "element changes by direct action"
3498   },
3499   {
3500     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3501     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3502     &custom_element_change_events[CE_BY_OTHER_ACTION],
3503     NULL, NULL,
3504     NULL,                               "element changes by other element"
3505   },
3506   {
3507     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3508     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3509     &custom_element_change.explode,
3510     NULL, NULL,
3511     "explode instead of change",        "element explodes instead of change"
3512   },
3513   {
3514     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3515     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3516     &custom_element_change.use_target_content,
3517     NULL, NULL,
3518     "use extended change target:",      "element changes to more elements"
3519   },
3520   {
3521     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3522     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3523     &custom_element_change.only_if_complete,
3524     NULL, NULL,
3525     "replace all or nothing",           "only replace when all can be changed"
3526   },
3527   {
3528     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3529     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3530     &custom_element_change.use_random_replace,
3531     NULL, NULL,
3532     NULL,                               "use percentage for random replace"
3533   },
3534   {
3535     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3536     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3537     &custom_element_change.has_action,
3538     NULL, NULL,
3539     NULL,                               "execute action on specified condition"
3540   },
3541 };
3542
3543 static struct
3544 {
3545   int x, y;
3546   int xoffset, yoffset;
3547   int gadget_id;
3548   int gadget_id_align;
3549   int *value;
3550   int area_xsize, area_ysize;
3551   char *text_left, *text_right, *text_above, *text_below, *infotext;
3552 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3553 {
3554   // ---------- level playfield content ---------------------------------------
3555
3556   {
3557     0,                                  0,
3558     0,                                  0,
3559     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3560     NULL,
3561     -1, -1,     // these values are not constant, but can change at runtime
3562     NULL, NULL, NULL, NULL,             NULL
3563   },
3564
3565   // ---------- yam yam content -----------------------------------------------
3566
3567   {
3568     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3569     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3570     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3571     &level.yamyam_content[0].e[0][0],   3, 3,
3572     NULL, NULL, NULL, "1",              NULL
3573   },
3574   {
3575     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3576     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3577     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3578     &level.yamyam_content[1].e[0][0],   3, 3,
3579     NULL, NULL, NULL, "2",              NULL
3580   },
3581   {
3582     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3583     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3584     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3585     &level.yamyam_content[2].e[0][0],   3, 3,
3586     NULL, NULL, NULL, "3",              NULL
3587   },
3588   {
3589     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3590     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3591     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3592     &level.yamyam_content[3].e[0][0],   3, 3,
3593     NULL, NULL, NULL, "4",              NULL
3594   },
3595   {
3596     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3597     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3598     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3599     &level.yamyam_content[4].e[0][0],   3, 3,
3600     NULL, NULL, NULL, "5",              NULL
3601   },
3602   {
3603     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3604     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3605     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3606     &level.yamyam_content[5].e[0][0],   3, 3,
3607     NULL, NULL, NULL, "6",              NULL
3608   },
3609   {
3610     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3611     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3612     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3613     &level.yamyam_content[6].e[0][0],   3, 3,
3614     NULL, NULL, NULL, "7",              NULL
3615   },
3616   {
3617     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3618     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3619     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3620     &level.yamyam_content[7].e[0][0],   3, 3,
3621     NULL, NULL, NULL, "8",              NULL
3622   },
3623
3624   // ---------- magic ball content --------------------------------------------
3625
3626   {
3627     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3628     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3629     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3630     &level.ball_content[0].e[0][0],     3, 3,
3631     NULL, NULL, NULL, "1",              NULL
3632   },
3633   {
3634     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3635     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3636     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3637     &level.ball_content[1].e[0][0],     3, 3,
3638     NULL, NULL, NULL, "2",              NULL
3639   },
3640   {
3641     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3642     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3643     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3644     &level.ball_content[2].e[0][0],     3, 3,
3645     NULL, NULL, NULL, "3",              NULL
3646   },
3647   {
3648     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3649     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3650     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3651     &level.ball_content[3].e[0][0],     3, 3,
3652     NULL, NULL, NULL, "4",              NULL
3653   },
3654   {
3655     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3656     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3657     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3658     &level.ball_content[4].e[0][0],     3, 3,
3659     NULL, NULL, NULL, "5",              NULL
3660   },
3661   {
3662     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3663     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3664     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3665     &level.ball_content[5].e[0][0],     3, 3,
3666     NULL, NULL, NULL, "6",              NULL
3667   },
3668   {
3669     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3670     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3671     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3672     &level.ball_content[6].e[0][0],     3, 3,
3673     NULL, NULL, NULL, "7",              NULL
3674   },
3675   {
3676     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3677     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3678     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3679     &level.ball_content[7].e[0][0],     3, 3,
3680     NULL, NULL, NULL, "8",              NULL
3681   },
3682
3683   // ---------- android content -----------------------------------------------
3684
3685   {
3686     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
3687     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3688     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3689     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3690     NULL, NULL, "elements:", NULL,      "elements android can clone"
3691   },
3692
3693   // ---------- amoeba content ------------------------------------------------
3694
3695   {
3696     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3697     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3698     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3699     &level.amoeba_content,              1, 1,
3700     "content:", NULL, NULL, NULL,       "amoeba content"
3701   },
3702
3703   // ---------- level start element -------------------------------------------
3704
3705   {
3706     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3707     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3708     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3709     &level.start_element[0],            1, 1,
3710     NULL, NULL, NULL, NULL,             "level start element"
3711   },
3712
3713   // ---------- player artwork element ----------------------------------------
3714
3715   {
3716     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3717     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3718     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3719     &level.artwork_element[0],          1, 1,
3720     NULL, NULL, NULL, NULL,             "element for player artwork"
3721   },
3722
3723   // ---------- player explosion element --------------------------------------
3724
3725   {
3726     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3727     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3728     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3729     &level.explosion_element[0],        1, 1,
3730     NULL, NULL, NULL, NULL,             "element for player explosion"
3731   },
3732
3733   // ---------- player initial inventory --------------------------------------
3734
3735   {
3736     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3737     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3738     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3739     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3740     NULL, NULL, NULL, NULL,             "content for initial inventory"
3741   },
3742
3743   // ---------- element settings: configure 1 (custom elements) ---------------
3744
3745   // ---------- custom graphic ------------------------------------------------
3746
3747   {
3748     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3749     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3750     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3751     &custom_element.gfx_element_initial,1, 1,
3752     NULL, NULL, NULL, NULL,             "custom graphic element"
3753   },
3754
3755   // ---------- element settings: configure 2 (custom elements) ---------------
3756
3757   // ---------- custom content (when exploding) -------------------------------
3758
3759   {
3760     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
3761     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3762     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
3763     &custom_element.content.e[0][0],    3, 3,
3764     "content:", NULL, NULL, NULL,       NULL
3765   },
3766
3767   // ---------- custom enter and leave element (when moving) ------------------
3768
3769   {
3770     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3771     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3772     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3773     &custom_element.move_enter_element, 1, 1,
3774     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
3775   },
3776   {
3777     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3778     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3779     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3780     &custom_element.move_leave_element, 1, 1,
3781     NULL, NULL, NULL, NULL,             "element that will be left behind"
3782   },
3783
3784   // ---------- element settings: advanced (custom elements) ------------------
3785
3786   // ---------- custom change target ------------------------------------------
3787
3788   {
3789     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3790     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3791     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3792     &custom_element_change.target_element, 1, 1,
3793     NULL, "after/when:", NULL, NULL,    "new target element after change"
3794   },
3795
3796   // ---------- custom change content (extended change target) ----------------
3797
3798   {
3799     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3800     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3801     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
3802     &custom_element_change.target_content.e[0][0], 3, 3,
3803     NULL, NULL, NULL, NULL,             "new extended elements after change"
3804   },
3805
3806   // ---------- custom change trigger (element causing change) ----------------
3807
3808   {
3809     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3810     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3811     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3812     &custom_element_change.initial_trigger_element, 1, 1,
3813     NULL, NULL, NULL, NULL,             "other element triggering change"
3814   },
3815
3816   // ---------- custom change action (element used for action) ----------------
3817
3818   {
3819     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3820     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3821     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3822     &custom_element_change.action_element, 1, 1,
3823     NULL, NULL, NULL, NULL,             "element used as action parameter"
3824   },
3825
3826   // ---------- group element content -----------------------------------------
3827
3828   {
3829     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3830     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3831     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3832     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3833     "content:", NULL, NULL, NULL,       NULL
3834   },
3835
3836   // ---------- random background (for random painting) -----------------------
3837
3838   {
3839     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3840     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3841     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3842     &random_placement_background_element, 1, 1,
3843     NULL, NULL, NULL, NULL,             "random placement background"
3844   },
3845 };
3846
3847
3848 // ----------------------------------------------------------------------------
3849 // some internally used variables
3850 // ----------------------------------------------------------------------------
3851
3852 // maximal size of level editor drawing area
3853 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3854
3855 // actual size of level editor drawing area
3856 static int ed_fieldx, ed_fieldy;
3857
3858 // actual position of level editor drawing area in level playfield
3859 static int level_xpos = -1, level_ypos = -1;
3860
3861 // actual tile size used to display playfield drawing area
3862 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3863 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3864
3865 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3866
3867 // drawing elements on the three mouse buttons
3868 static int new_element1 = EL_WALL;
3869 static int new_element2 = EL_EMPTY;
3870 static int new_element3 = EL_SAND;
3871
3872 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3873 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3874                                 (button) == 2 ? new_element2 : \
3875                                 (button) == 3 ? new_element3 : EL_EMPTY)
3876
3877 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3878
3879 static int use_permanent_palette = TRUE;
3880
3881 #define PX              (use_permanent_palette ? DX : SX)
3882 #define PY              (use_permanent_palette ? DY : SY)
3883 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3884 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3885
3886 // forward declaration for internal use
3887 static void CopyBrushToCursor(int, int);
3888 static void DeleteBrushFromCursor(void);
3889 static void ModifyEditorCounterValue(int, int);
3890 static void ModifyEditorCounterLimits(int, int, int);
3891 static void ModifyEditorSelectboxValue(int, int);
3892 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3893 static void ModifyEditorDrawingArea(int, int, int);
3894 static void ModifyEditorElementList(void);
3895 static void AdjustElementListScrollbar(void);
3896 static void RedrawDrawingElements(void);
3897 static void DrawDrawingWindowExt(boolean);
3898 static void DrawDrawingWindow(void);
3899 static void DrawLevelInfoWindow(void);
3900 static void DrawPropertiesWindow(void);
3901 static void DrawPaletteWindow(void);
3902 static void UpdateCustomElementGraphicGadgets(void);
3903 static boolean checkPropertiesConfig(int);
3904 static void SetAutomaticNumberOfGemsNeeded(void);
3905 static void ClearEditorGadgetInfoText(void);
3906 static void CopyLevelToUndoBuffer(int);
3907 static void HandleDrawingAreas(struct GadgetInfo *);
3908 static void HandleCounterButtons(struct GadgetInfo *);
3909 static void HandleTextInputGadgets(struct GadgetInfo *);
3910 static void HandleTextAreaGadgets(struct GadgetInfo *);
3911 static void HandleSelectboxGadgets(struct GadgetInfo *);
3912 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3913 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3914 static void HandleRadiobuttons(struct GadgetInfo *);
3915 static void HandleCheckbuttons(struct GadgetInfo *);
3916 static void HandleControlButtons(struct GadgetInfo *);
3917 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3918 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3919 static boolean AskToCopyAndModifyLevelTemplate(void);
3920 static boolean getDrawModeHiRes(void);
3921 static int getTabulatorBarWidth(void);
3922 static int getTabulatorBarHeight(void);
3923 static Pixel getTabulatorBarColor(void);
3924
3925 static int num_editor_gadgets = 0;      // dynamically determined
3926
3927 static struct GadgetInfo **level_editor_gadget = NULL;
3928 static int *right_gadget_border = NULL;
3929
3930 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3931 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3932 static boolean draw_with_brush = FALSE;
3933 static int properties_element = 0;
3934
3935 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3936 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3937 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3938 static int undo_buffer_position = 0;
3939 static int undo_buffer_steps = 0;
3940 static int redo_buffer_steps = 0;
3941
3942 static int edit_mode;
3943 static int edit_mode_levelinfo;
3944 static int edit_mode_properties;
3945
3946 static int element_shift = 0;
3947
3948 static int editor_el_players[] =
3949 {
3950   EL_PLAYER_1,
3951   EL_PLAYER_2,
3952   EL_PLAYER_3,
3953   EL_PLAYER_4
3954 };
3955 static int *editor_el_players_ptr = editor_el_players;
3956 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
3957
3958 static int editor_hl_boulderdash[] =
3959 {
3960   EL_INTERNAL_CASCADE_BD_ACTIVE,
3961   EL_CHAR('B'),
3962   EL_CHAR('D'),
3963   EL_EMPTY,
3964 };
3965
3966 static int editor_el_boulderdash[] =
3967 {
3968   EL_EMPTY,
3969   EL_SAND,
3970   EL_BD_ROCK,
3971   EL_BD_DIAMOND,
3972
3973   EL_STEELWALL,
3974   EL_BD_WALL,
3975   EL_BD_EXPANDABLE_WALL,
3976   EL_BD_MAGIC_WALL,
3977
3978   EL_BD_AMOEBA,
3979   EL_BD_BUTTERFLY_UP,
3980   EL_BD_FIREFLY_UP,
3981   EL_EXIT_CLOSED,
3982
3983   EL_BD_BUTTERFLY_LEFT,
3984   EL_BD_FIREFLY_LEFT,
3985   EL_BD_BUTTERFLY_RIGHT,
3986   EL_BD_FIREFLY_RIGHT,
3987
3988   EL_EMPTY,
3989   EL_BD_BUTTERFLY_DOWN,
3990   EL_BD_FIREFLY_DOWN,
3991   EL_EXIT_OPEN,
3992 };
3993 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3994 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3995 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
3996 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
3997
3998 static int editor_hl_emerald_mine[] =
3999 {
4000   EL_INTERNAL_CASCADE_EM_ACTIVE,
4001   EL_CHAR('E'),
4002   EL_CHAR('M'),
4003   EL_EMPTY,
4004 };
4005
4006 static int editor_el_emerald_mine[] =
4007 {
4008   EL_SAND,
4009   EL_ROCK,
4010   EL_QUICKSAND_EMPTY,
4011   EL_QUICKSAND_FULL,
4012
4013   EL_STEELWALL,
4014   EL_WALL,
4015   EL_WALL_SLIPPERY,
4016   EL_MAGIC_WALL,
4017
4018   EL_EMERALD,
4019   EL_DIAMOND,
4020   EL_NUT,
4021   EL_BOMB,
4022
4023   EL_EM_DYNAMITE,
4024   EL_EM_DYNAMITE_ACTIVE,
4025   EL_EM_EXIT_CLOSED,
4026   EL_EM_EXIT_OPEN,
4027
4028   EL_YAMYAM_UP,
4029   EL_BUG_UP,
4030   EL_SPACESHIP_UP,
4031   EL_ROBOT,
4032
4033   EL_BUG_LEFT,
4034   EL_SPACESHIP_LEFT,
4035   EL_BUG_RIGHT,
4036   EL_SPACESHIP_RIGHT,
4037
4038   EL_ROBOT_WHEEL,
4039   EL_BUG_DOWN,
4040   EL_SPACESHIP_DOWN,
4041   EL_INVISIBLE_WALL,
4042
4043   EL_ACID_POOL_TOPLEFT,
4044   EL_ACID,
4045   EL_ACID_POOL_TOPRIGHT,
4046   EL_AMOEBA_DROP,
4047
4048   EL_ACID_POOL_BOTTOMLEFT,
4049   EL_ACID_POOL_BOTTOM,
4050   EL_ACID_POOL_BOTTOMRIGHT,
4051   EL_AMOEBA_WET,
4052
4053   EL_EM_KEY_1,
4054   EL_EM_KEY_2,
4055   EL_EM_KEY_3,
4056   EL_EM_KEY_4,
4057
4058   EL_EM_GATE_1,
4059   EL_EM_GATE_2,
4060   EL_EM_GATE_3,
4061   EL_EM_GATE_4,
4062
4063   EL_EM_GATE_1_GRAY,
4064   EL_EM_GATE_2_GRAY,
4065   EL_EM_GATE_3_GRAY,
4066   EL_EM_GATE_4_GRAY,
4067 };
4068 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4069 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4070 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4071 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4072
4073 static int editor_hl_emerald_mine_club[] =
4074 {
4075   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4076   EL_CHAR('E'),
4077   EL_CHAR('M'),
4078   EL_CHAR('C'),
4079 };
4080
4081 static int editor_el_emerald_mine_club[] =
4082 {
4083   EL_EMC_KEY_5,
4084   EL_EMC_KEY_6,
4085   EL_EMC_KEY_7,
4086   EL_EMC_KEY_8,
4087
4088   EL_EMC_GATE_5,
4089   EL_EMC_GATE_6,
4090   EL_EMC_GATE_7,
4091   EL_EMC_GATE_8,
4092
4093   EL_EMC_GATE_5_GRAY,
4094   EL_EMC_GATE_6_GRAY,
4095   EL_EMC_GATE_7_GRAY,
4096   EL_EMC_GATE_8_GRAY,
4097
4098   EL_EMC_STEELWALL_1,
4099   EL_EMC_STEELWALL_2,
4100   EL_EMC_STEELWALL_3,
4101   EL_EMC_STEELWALL_4,
4102
4103   EL_EMC_WALL_13,
4104   EL_EMC_WALL_14,
4105   EL_EMC_WALL_15,
4106   EL_EMC_WALL_16,
4107
4108   EL_EMC_WALL_SLIPPERY_1,
4109   EL_EMC_WALL_SLIPPERY_2,
4110   EL_EMC_WALL_SLIPPERY_3,
4111   EL_EMC_WALL_SLIPPERY_4,
4112
4113   EL_EMC_WALL_1,
4114   EL_EMC_WALL_2,
4115   EL_EMC_WALL_3,
4116   EL_EMC_WALL_4,
4117
4118   EL_EMC_WALL_5,
4119   EL_EMC_WALL_6,
4120   EL_EMC_WALL_7,
4121   EL_EMC_WALL_8,
4122
4123   EL_EMC_WALL_9,
4124   EL_EMC_WALL_10,
4125   EL_EMC_WALL_11,
4126   EL_EMC_WALL_12,
4127
4128   EL_EMC_GRASS,
4129   EL_EMC_FAKE_GRASS,
4130   EL_EMC_PLANT,
4131   EL_EMC_DRIPPER,
4132
4133   EL_EMC_MAGIC_BALL,
4134   EL_EMC_MAGIC_BALL_SWITCH,
4135   EL_EMC_LENSES,
4136   EL_EMC_MAGNIFIER,
4137
4138   EL_SPRING_LEFT,
4139   EL_SPRING,
4140   EL_SPRING_RIGHT,
4141   EL_EMC_SPRING_BUMPER,
4142
4143   EL_BALLOON,
4144   EL_YAMYAM_UP,
4145   EL_BALLOON_SWITCH_UP,
4146   EL_BALLOON_SWITCH_ANY,
4147
4148   EL_YAMYAM_LEFT,
4149   EL_BALLOON_SWITCH_LEFT,
4150   EL_YAMYAM_RIGHT,
4151   EL_BALLOON_SWITCH_RIGHT,
4152
4153   EL_EMC_ANDROID,
4154   EL_YAMYAM_DOWN,
4155   EL_BALLOON_SWITCH_DOWN,
4156   EL_BALLOON_SWITCH_NONE,
4157 };
4158 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4159 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4160 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4161 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4162
4163 static int editor_hl_rnd[] =
4164 {
4165   EL_INTERNAL_CASCADE_RND_ACTIVE,
4166   EL_CHAR('R'),
4167   EL_CHAR('N'),
4168   EL_CHAR('D'),
4169 };
4170
4171 static int editor_el_rnd[] =
4172 {
4173   EL_DYNAMITE,                  // RND
4174   EL_DYNAMITE_ACTIVE,           // RND
4175   EL_EMPTY,
4176   EL_EMPTY,
4177
4178   EL_KEY_1,
4179   EL_KEY_2,
4180   EL_KEY_3,
4181   EL_KEY_4,
4182
4183   EL_GATE_1,
4184   EL_GATE_2,
4185   EL_GATE_3,
4186   EL_GATE_4,
4187
4188   EL_GATE_1_GRAY,
4189   EL_GATE_2_GRAY,
4190   EL_GATE_3_GRAY,
4191   EL_GATE_4_GRAY,
4192
4193   EL_ARROW_LEFT,
4194   EL_ARROW_RIGHT,
4195   EL_ARROW_UP,
4196   EL_ARROW_DOWN,
4197
4198   EL_AMOEBA_DEAD,
4199   EL_AMOEBA_DRY,
4200   EL_AMOEBA_FULL,
4201   EL_GAME_OF_LIFE,
4202
4203   EL_EMERALD_YELLOW,
4204   EL_EMERALD_RED,
4205   EL_EMERALD_PURPLE,
4206   EL_BIOMAZE,
4207
4208   EL_WALL_EMERALD_YELLOW,
4209   EL_WALL_EMERALD_RED,
4210   EL_WALL_EMERALD_PURPLE,
4211   EL_WALL_BD_DIAMOND,
4212
4213   EL_SPEED_PILL,
4214   EL_PACMAN_UP,
4215   EL_TIME_ORB_FULL,
4216   EL_TIME_ORB_EMPTY,
4217
4218   EL_PACMAN_LEFT,
4219   EL_DARK_YAMYAM,
4220   EL_PACMAN_RIGHT,
4221   EL_YAMYAM,                    // RND
4222
4223   EL_BLACK_ORB,
4224   EL_PACMAN_DOWN,
4225   EL_LAMP,
4226   EL_LAMP_ACTIVE,
4227
4228   EL_DYNABOMB_INCREASE_NUMBER,
4229   EL_DYNABOMB_INCREASE_SIZE,
4230   EL_DYNABOMB_INCREASE_POWER,
4231   EL_STONEBLOCK,
4232
4233   EL_MOLE,
4234   EL_PENGUIN,
4235   EL_PIG,
4236   EL_DRAGON,
4237
4238   EL_BUG,
4239   EL_MOLE_UP,
4240   EL_BD_BUTTERFLY,
4241   EL_BD_FIREFLY,
4242
4243   EL_MOLE_LEFT,
4244   EL_SATELLITE,
4245   EL_MOLE_RIGHT,
4246   EL_PACMAN,
4247
4248   EL_SPACESHIP,
4249   EL_MOLE_DOWN,
4250   EL_INVISIBLE_STEELWALL,
4251   EL_INVISIBLE_WALL,
4252
4253   EL_EXPANDABLE_WALL,
4254   EL_EXPANDABLE_WALL_HORIZONTAL,
4255   EL_EXPANDABLE_WALL_VERTICAL,
4256   EL_EXPANDABLE_WALL_ANY,
4257 };
4258 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4259 static int *editor_el_rnd_ptr = editor_el_rnd;
4260 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4261 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4262
4263 static int editor_hl_sokoban[] =
4264 {
4265   EL_INTERNAL_CASCADE_SB_ACTIVE,
4266   EL_CHAR('S'),
4267   EL_CHAR('B'),
4268   EL_EMPTY,
4269 };
4270
4271 static int editor_el_sokoban[] =
4272 {
4273   EL_SOKOBAN_OBJECT,
4274   EL_SOKOBAN_FIELD_EMPTY,
4275   EL_SOKOBAN_FIELD_FULL,
4276   EL_SOKOBAN_FIELD_PLAYER,
4277 };
4278 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4279 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4280 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4281 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4282
4283 static int editor_hl_supaplex[] =
4284 {
4285   EL_INTERNAL_CASCADE_SP_ACTIVE,
4286   EL_CHAR('S'),
4287   EL_CHAR('P'),
4288   EL_EMPTY,
4289 };
4290
4291 static int editor_el_supaplex[] =
4292 {
4293   EL_SP_MURPHY,
4294   EL_EMPTY,
4295   EL_SP_BASE,
4296   EL_SP_BUGGY_BASE,
4297
4298   EL_SP_INFOTRON,
4299   EL_SP_ZONK,
4300   EL_SP_SNIKSNAK,
4301   EL_SP_ELECTRON,
4302
4303   EL_SP_DISK_RED,
4304   EL_SP_DISK_ORANGE,
4305   EL_SP_DISK_YELLOW,
4306   EL_SP_TERMINAL,
4307
4308   EL_SP_EXIT_CLOSED,
4309   EL_SP_PORT_HORIZONTAL,
4310   EL_SP_PORT_VERTICAL,
4311   EL_SP_PORT_ANY,
4312
4313   EL_SP_PORT_LEFT,
4314   EL_SP_PORT_RIGHT,
4315   EL_SP_PORT_UP,
4316   EL_SP_PORT_DOWN,
4317
4318   EL_SP_GRAVITY_PORT_LEFT,
4319   EL_SP_GRAVITY_PORT_RIGHT,
4320   EL_SP_GRAVITY_PORT_UP,
4321   EL_SP_GRAVITY_PORT_DOWN,
4322
4323   EL_SP_GRAVITY_ON_PORT_LEFT,
4324   EL_SP_GRAVITY_ON_PORT_RIGHT,
4325   EL_SP_GRAVITY_ON_PORT_UP,
4326   EL_SP_GRAVITY_ON_PORT_DOWN,
4327
4328   EL_SP_GRAVITY_OFF_PORT_LEFT,
4329   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4330   EL_SP_GRAVITY_OFF_PORT_UP,
4331   EL_SP_GRAVITY_OFF_PORT_DOWN,
4332
4333   EL_SP_HARDWARE_GRAY,
4334   EL_SP_HARDWARE_GREEN,
4335   EL_SP_HARDWARE_BLUE,
4336   EL_SP_HARDWARE_RED,
4337
4338   EL_SP_HARDWARE_BASE_1,
4339   EL_SP_HARDWARE_BASE_2,
4340   EL_SP_HARDWARE_BASE_3,
4341   EL_SP_HARDWARE_BASE_4,
4342
4343   EL_SP_HARDWARE_BASE_5,
4344   EL_SP_HARDWARE_BASE_6,
4345   EL_SP_HARDWARE_YELLOW,
4346   EL_SP_CHIP_TOP,
4347
4348   EL_SP_CHIP_SINGLE,
4349   EL_SP_CHIP_LEFT,
4350   EL_SP_CHIP_RIGHT,
4351   EL_SP_CHIP_BOTTOM,
4352 };
4353 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4354 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4355 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4356 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4357
4358 static int editor_hl_diamond_caves[] =
4359 {
4360   EL_INTERNAL_CASCADE_DC_ACTIVE,
4361   EL_CHAR('D'),
4362   EL_CHAR('C'),
4363   EL_CHAR('2'),
4364 };
4365
4366 static int editor_el_diamond_caves[] =
4367 {
4368   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4369   EL_EM_STEEL_EXIT_OPEN,        // DC2
4370   EL_WALL_EMERALD,              // DC2
4371   EL_WALL_DIAMOND,              // DC2
4372
4373   EL_PEARL,
4374   EL_CRYSTAL,
4375   EL_WALL_PEARL,
4376   EL_WALL_CRYSTAL,
4377
4378   EL_CONVEYOR_BELT_1_LEFT,
4379   EL_CONVEYOR_BELT_1_MIDDLE,
4380   EL_CONVEYOR_BELT_1_RIGHT,
4381   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4382
4383   EL_CONVEYOR_BELT_2_LEFT,
4384   EL_CONVEYOR_BELT_2_MIDDLE,
4385   EL_CONVEYOR_BELT_2_RIGHT,
4386   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4387
4388   EL_CONVEYOR_BELT_3_LEFT,
4389   EL_CONVEYOR_BELT_3_MIDDLE,
4390   EL_CONVEYOR_BELT_3_RIGHT,
4391   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4392
4393   EL_CONVEYOR_BELT_4_LEFT,
4394   EL_CONVEYOR_BELT_4_MIDDLE,
4395   EL_CONVEYOR_BELT_4_RIGHT,
4396   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4397
4398   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4399   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4400   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4401   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4402
4403   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4404   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4405   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4406   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4407
4408   EL_TIMEGATE_CLOSED,
4409   EL_TIMEGATE_OPEN,
4410   EL_TIMEGATE_SWITCH,
4411   EL_DC_TIMEGATE_SWITCH,
4412
4413   EL_SWITCHGATE_CLOSED,
4414   EL_SWITCHGATE_OPEN,
4415   EL_SWITCHGATE_SWITCH_UP,
4416   EL_SWITCHGATE_SWITCH_DOWN,
4417
4418   EL_LIGHT_SWITCH,
4419   EL_LIGHT_SWITCH_ACTIVE,
4420   EL_DC_SWITCHGATE_SWITCH_UP,
4421   EL_DC_SWITCHGATE_SWITCH_DOWN,
4422
4423   EL_STEEL_EXIT_CLOSED,
4424   EL_STEEL_EXIT_OPEN,
4425   EL_STEELWALL_SLIPPERY,
4426   EL_INVISIBLE_SAND,
4427
4428   EL_QUICKSAND_FAST_EMPTY,
4429   EL_QUICKSAND_FAST_FULL,
4430   EL_LANDMINE,
4431   EL_DC_LANDMINE,
4432
4433   EL_SHIELD_NORMAL,
4434   EL_SHIELD_DEADLY,
4435   EL_EXTRA_TIME,
4436   EL_DC_MAGIC_WALL,
4437
4438   EL_ENVELOPE_1,
4439   EL_ENVELOPE_2,
4440   EL_ENVELOPE_3,
4441   EL_ENVELOPE_4,
4442
4443   EL_SIGN_RADIOACTIVITY,
4444   EL_SIGN_WHEELCHAIR,
4445   EL_SIGN_PARKING,
4446   EL_SIGN_NO_ENTRY,
4447
4448   EL_SIGN_GIVE_WAY,
4449   EL_SIGN_ENTRY_FORBIDDEN,
4450   EL_SIGN_EMERGENCY_EXIT,
4451   EL_SIGN_YIN_YANG,
4452
4453 #if 0
4454   EL_SIGN_SPERMS,
4455   EL_SIGN_BULLET,
4456   EL_SIGN_HEART,
4457   EL_SIGN_CROSS,
4458
4459   EL_SIGN_FRANKIE,
4460   EL_EMPTY,
4461   EL_EMPTY,
4462   EL_EMPTY,
4463
4464   EL_SPERMS,
4465   EL_BULLET,
4466   EL_HEART,
4467   EL_CROSS,
4468
4469   EL_FRANKIE,
4470   EL_EMPTY,
4471   EL_EMPTY,
4472   EL_EMPTY,
4473 #endif
4474
4475   EL_DC_STEELWALL_2_SINGLE,
4476   EL_DC_STEELWALL_2_TOP,
4477   EL_SIGN_EXCLAMATION,
4478   EL_SIGN_STOP,
4479
4480   EL_DC_STEELWALL_2_LEFT,
4481   EL_DC_STEELWALL_2_MIDDLE,
4482   EL_DC_STEELWALL_2_HORIZONTAL,
4483   EL_DC_STEELWALL_2_RIGHT,
4484
4485   EL_DC_STEELWALL_1_TOPLEFT,
4486   EL_DC_STEELWALL_2_VERTICAL,
4487   EL_DC_STEELWALL_1_TOPRIGHT,
4488   EL_DC_GATE_WHITE,
4489
4490   EL_DC_STEELWALL_1_VERTICAL,
4491   EL_DC_STEELWALL_2_BOTTOM,
4492   EL_DC_KEY_WHITE,
4493   EL_DC_GATE_WHITE_GRAY,
4494
4495   EL_DC_STEELWALL_1_BOTTOMLEFT,
4496   EL_DC_STEELWALL_1_HORIZONTAL,
4497   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4498   EL_DC_GATE_FAKE_GRAY,
4499
4500   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4501   EL_DC_STEELWALL_1_BOTTOM,
4502   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4503   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4504
4505   EL_DC_STEELWALL_1_RIGHT,
4506   EL_EMPTY,
4507   EL_DC_STEELWALL_1_LEFT,
4508   EL_EXPANDABLE_STEELWALL_VERTICAL,
4509
4510   EL_DC_STEELWALL_1_TOPRIGHT_2,
4511   EL_DC_STEELWALL_1_TOP,
4512   EL_DC_STEELWALL_1_TOPLEFT_2,
4513   EL_EXPANDABLE_STEELWALL_ANY,
4514 };
4515 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4516 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4517 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
4518 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
4519
4520 static int editor_hl_dx_boulderdash[] =
4521 {
4522   EL_INTERNAL_CASCADE_DX_ACTIVE,
4523   EL_CHAR('D'),
4524   EL_CHAR('X'),
4525   EL_EMPTY,
4526 };
4527
4528 static int editor_el_dx_boulderdash[] =
4529 {
4530   EL_EMPTY,
4531   EL_TUBE_RIGHT_DOWN,
4532   EL_TUBE_HORIZONTAL_DOWN,
4533   EL_TUBE_LEFT_DOWN,
4534
4535   EL_TUBE_HORIZONTAL,
4536   EL_TUBE_VERTICAL_RIGHT,
4537   EL_TUBE_ANY,
4538   EL_TUBE_VERTICAL_LEFT,
4539
4540   EL_TUBE_VERTICAL,
4541   EL_TUBE_RIGHT_UP,
4542   EL_TUBE_HORIZONTAL_UP,
4543   EL_TUBE_LEFT_UP,
4544
4545   EL_TRAP,
4546   EL_DX_SUPABOMB,
4547   EL_EMPTY,
4548   EL_EMPTY
4549 };
4550 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4551 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4552 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
4553 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
4554
4555 static int editor_hl_mirror_magic[] =
4556 {
4557   EL_INTERNAL_CASCADE_MM_ACTIVE,
4558   EL_CHAR('M'),
4559   EL_CHAR('M'),
4560   EL_EMPTY,
4561 };
4562
4563 static int editor_el_mirror_magic[] =
4564 {
4565   EL_MM_MCDUFFIN_RIGHT,
4566   EL_MM_MCDUFFIN_UP,
4567   EL_MM_MCDUFFIN_LEFT,
4568   EL_MM_MCDUFFIN_DOWN,
4569
4570   EL_MM_MIRROR_START,
4571   EL_MM_MIRROR_FIXED_START,
4572   EL_MM_POLARIZER_START,
4573   EL_MM_POLARIZER_CROSS_START,
4574
4575   EL_MM_TELEPORTER_RED_START,
4576   EL_MM_TELEPORTER_YELLOW_START,
4577   EL_MM_TELEPORTER_GREEN_START,
4578   EL_MM_TELEPORTER_BLUE_START,
4579
4580   EL_MM_PRISM,
4581   EL_MM_FUSE_ACTIVE,
4582   EL_MM_PACMAN_RIGHT,
4583   EL_MM_EXIT_CLOSED,
4584
4585   EL_MM_KETTLE,
4586   EL_MM_BOMB,
4587   EL_MM_KEY,
4588   EL_MM_FUEL_FULL,
4589
4590   EL_MM_LIGHTBULB,
4591   EL_MM_LIGHTBULB_ACTIVE,
4592   EL_MM_GRAY_BALL,
4593   EL_MM_LIGHTBALL,
4594
4595   EL_MM_STEEL_WALL,
4596   EL_MM_WOODEN_WALL,
4597   EL_MM_ICE_WALL,
4598   EL_MM_AMOEBA_WALL,
4599
4600   EL_MM_STEEL_LOCK,
4601   EL_MM_WOODEN_LOCK,
4602   EL_MM_STEEL_BLOCK,
4603   EL_MM_WOODEN_BLOCK,
4604
4605   EL_MM_STEEL_GRID_FIXED_1,
4606   EL_MM_STEEL_GRID_FIXED_2,
4607   EL_MM_STEEL_GRID_FIXED_3,
4608   EL_MM_STEEL_GRID_FIXED_4,
4609
4610   EL_MM_WOODEN_GRID_FIXED_1,
4611   EL_MM_WOODEN_GRID_FIXED_2,
4612   EL_MM_WOODEN_GRID_FIXED_3,
4613   EL_MM_WOODEN_GRID_FIXED_4
4614 };
4615 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4616 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4617 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
4618 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
4619
4620 static int editor_hl_deflektor[] =
4621 {
4622   EL_INTERNAL_CASCADE_DF_ACTIVE,
4623   EL_CHAR('D'),
4624   EL_CHAR('F'),
4625   EL_EMPTY,
4626 };
4627
4628 static int editor_el_deflektor[] =
4629 {
4630   EL_DF_LASER_RIGHT,
4631   EL_DF_LASER_UP,
4632   EL_DF_LASER_LEFT,
4633   EL_DF_LASER_DOWN,
4634
4635   EL_DF_RECEIVER_RIGHT,
4636   EL_DF_RECEIVER_UP,
4637   EL_DF_RECEIVER_LEFT,
4638   EL_DF_RECEIVER_DOWN,
4639
4640   EL_DF_MIRROR_START,
4641   EL_DF_MIRROR_ROTATING_START,
4642   EL_DF_CELL,
4643   EL_DF_MINE,
4644
4645   EL_DF_FIBRE_OPTIC_RED_1,
4646   EL_DF_FIBRE_OPTIC_YELLOW_1,
4647   EL_DF_FIBRE_OPTIC_GREEN_1,
4648   EL_DF_FIBRE_OPTIC_BLUE_1,
4649
4650   EL_DF_STEEL_GRID_FIXED_START,
4651   EL_DF_STEEL_GRID_ROTATING_START,
4652   EL_DF_WOODEN_GRID_FIXED_START,
4653   EL_DF_WOODEN_GRID_ROTATING_START,
4654
4655   EL_DF_STEEL_WALL,
4656   EL_DF_WOODEN_WALL,
4657   EL_DF_REFRACTOR,
4658   EL_EMPTY
4659 };
4660 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4661 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4662 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
4663 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
4664
4665 static int editor_hl_chars[] =
4666 {
4667   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4668   EL_CHAR('T'),
4669   EL_CHAR('X'),
4670   EL_CHAR('T'),
4671 };
4672
4673 static int editor_el_chars[] =
4674 {
4675   EL_CHAR(' '),
4676   EL_CHAR('!'),
4677   EL_CHAR('"'),
4678   EL_CHAR('#'),
4679
4680   EL_CHAR('$'),
4681   EL_CHAR('%'),
4682   EL_CHAR('&'),
4683   EL_CHAR('\''),
4684
4685   EL_CHAR('('),
4686   EL_CHAR(')'),
4687   EL_CHAR('*'),
4688   EL_CHAR('+'),
4689
4690   EL_CHAR(','),
4691   EL_CHAR('-'),
4692   EL_CHAR('.'),
4693   EL_CHAR('/'),
4694
4695   EL_CHAR('0'),
4696   EL_CHAR('1'),
4697   EL_CHAR('2'),
4698   EL_CHAR('3'),
4699
4700   EL_CHAR('4'),
4701   EL_CHAR('5'),
4702   EL_CHAR('6'),
4703   EL_CHAR('7'),
4704
4705   EL_CHAR('8'),
4706   EL_CHAR('9'),
4707   EL_CHAR(':'),
4708   EL_CHAR(';'),
4709
4710   EL_CHAR('<'),
4711   EL_CHAR('='),
4712   EL_CHAR('>'),
4713   EL_CHAR('?'),
4714
4715   EL_CHAR('@'),
4716   EL_CHAR('A'),
4717   EL_CHAR('B'),
4718   EL_CHAR('C'),
4719
4720   EL_CHAR('D'),
4721   EL_CHAR('E'),
4722   EL_CHAR('F'),
4723   EL_CHAR('G'),
4724
4725   EL_CHAR('H'),
4726   EL_CHAR('I'),
4727   EL_CHAR('J'),
4728   EL_CHAR('K'),
4729
4730   EL_CHAR('L'),
4731   EL_CHAR('M'),
4732   EL_CHAR('N'),
4733   EL_CHAR('O'),
4734
4735   EL_CHAR('P'),
4736   EL_CHAR('Q'),
4737   EL_CHAR('R'),
4738   EL_CHAR('S'),
4739
4740   EL_CHAR('T'),
4741   EL_CHAR('U'),
4742   EL_CHAR('V'),
4743   EL_CHAR('W'),
4744
4745   EL_CHAR('X'),
4746   EL_CHAR('Y'),
4747   EL_CHAR('Z'),
4748   EL_CHAR('['),
4749
4750   EL_CHAR('\\'),
4751   EL_CHAR(']'),
4752   EL_CHAR('^'),
4753   EL_CHAR('_'),
4754
4755   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4756   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4757   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4758   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4759
4760   EL_CHAR(CHAR_BYTE_DEGREE),
4761   EL_CHAR(CHAR_BYTE_REGISTERED),
4762   EL_CHAR(FONT_ASCII_CURSOR),
4763   EL_CHAR(FONT_ASCII_BUTTON),
4764
4765   EL_CHAR(FONT_ASCII_UP),
4766   EL_CHAR(FONT_ASCII_DOWN),
4767   EL_CHAR(' '),
4768   EL_CHAR(' ')
4769 };
4770 static int *editor_hl_chars_ptr = editor_hl_chars;
4771 static int *editor_el_chars_ptr = editor_el_chars;
4772 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
4773 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
4774
4775 static int editor_hl_steel_chars[] =
4776 {
4777   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4778   EL_STEEL_CHAR('T'),
4779   EL_STEEL_CHAR('X'),
4780   EL_STEEL_CHAR('T'),
4781 };
4782
4783 static int editor_el_steel_chars[] =
4784 {
4785   EL_STEEL_CHAR(' '),
4786   EL_STEEL_CHAR('!'),
4787   EL_STEEL_CHAR('"'),
4788   EL_STEEL_CHAR('#'),
4789
4790   EL_STEEL_CHAR('$'),
4791   EL_STEEL_CHAR('%'),
4792   EL_STEEL_CHAR('&'),
4793   EL_STEEL_CHAR('\''),
4794
4795   EL_STEEL_CHAR('('),
4796   EL_STEEL_CHAR(')'),
4797   EL_STEEL_CHAR('*'),
4798   EL_STEEL_CHAR('+'),
4799
4800   EL_STEEL_CHAR(','),
4801   EL_STEEL_CHAR('-'),
4802   EL_STEEL_CHAR('.'),
4803   EL_STEEL_CHAR('/'),
4804
4805   EL_STEEL_CHAR('0'),
4806   EL_STEEL_CHAR('1'),
4807   EL_STEEL_CHAR('2'),
4808   EL_STEEL_CHAR('3'),
4809
4810   EL_STEEL_CHAR('4'),
4811   EL_STEEL_CHAR('5'),
4812   EL_STEEL_CHAR('6'),
4813   EL_STEEL_CHAR('7'),
4814
4815   EL_STEEL_CHAR('8'),
4816   EL_STEEL_CHAR('9'),
4817   EL_STEEL_CHAR(':'),
4818   EL_STEEL_CHAR(';'),
4819
4820   EL_STEEL_CHAR('<'),
4821   EL_STEEL_CHAR('='),
4822   EL_STEEL_CHAR('>'),
4823   EL_STEEL_CHAR('?'),
4824
4825   EL_STEEL_CHAR('@'),
4826   EL_STEEL_CHAR('A'),
4827   EL_STEEL_CHAR('B'),
4828   EL_STEEL_CHAR('C'),
4829
4830   EL_STEEL_CHAR('D'),
4831   EL_STEEL_CHAR('E'),
4832   EL_STEEL_CHAR('F'),
4833   EL_STEEL_CHAR('G'),
4834
4835   EL_STEEL_CHAR('H'),
4836   EL_STEEL_CHAR('I'),
4837   EL_STEEL_CHAR('J'),
4838   EL_STEEL_CHAR('K'),
4839
4840   EL_STEEL_CHAR('L'),
4841   EL_STEEL_CHAR('M'),
4842   EL_STEEL_CHAR('N'),
4843   EL_STEEL_CHAR('O'),
4844
4845   EL_STEEL_CHAR('P'),
4846   EL_STEEL_CHAR('Q'),
4847   EL_STEEL_CHAR('R'),
4848   EL_STEEL_CHAR('S'),
4849
4850   EL_STEEL_CHAR('T'),
4851   EL_STEEL_CHAR('U'),
4852   EL_STEEL_CHAR('V'),
4853   EL_STEEL_CHAR('W'),
4854
4855   EL_STEEL_CHAR('X'),
4856   EL_STEEL_CHAR('Y'),
4857   EL_STEEL_CHAR('Z'),
4858   EL_STEEL_CHAR('['),
4859
4860   EL_STEEL_CHAR('\\'),
4861   EL_STEEL_CHAR(']'),
4862   EL_STEEL_CHAR('^'),
4863   EL_STEEL_CHAR('_'),
4864
4865   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4866   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4867   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4868   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4869
4870   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4871   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4872   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4873   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4874
4875   EL_STEEL_CHAR(FONT_ASCII_UP),
4876   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4877   EL_STEEL_CHAR(' '),
4878   EL_STEEL_CHAR(' ')
4879 };
4880 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4881 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4882 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
4883 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
4884
4885 static int editor_hl_custom[] =
4886 {
4887   EL_INTERNAL_CASCADE_CE_ACTIVE,
4888   EL_CHAR('C'),
4889   EL_CHAR('E'),
4890   EL_EMPTY,
4891 };
4892
4893 static int editor_el_custom[] =
4894 {
4895   EL_CUSTOM_START + 0,
4896   EL_CUSTOM_START + 1,
4897   EL_CUSTOM_START + 2,
4898   EL_CUSTOM_START + 3,
4899
4900   EL_CUSTOM_START + 4,
4901   EL_CUSTOM_START + 5,
4902   EL_CUSTOM_START + 6,
4903   EL_CUSTOM_START + 7,
4904
4905   EL_CUSTOM_START + 8,
4906   EL_CUSTOM_START + 9,
4907   EL_CUSTOM_START + 10,
4908   EL_CUSTOM_START + 11,
4909
4910   EL_CUSTOM_START + 12,
4911   EL_CUSTOM_START + 13,
4912   EL_CUSTOM_START + 14,
4913   EL_CUSTOM_START + 15,
4914
4915   EL_CUSTOM_START + 16,
4916   EL_CUSTOM_START + 17,
4917   EL_CUSTOM_START + 18,
4918   EL_CUSTOM_START + 19,
4919
4920   EL_CUSTOM_START + 20,
4921   EL_CUSTOM_START + 21,
4922   EL_CUSTOM_START + 22,
4923   EL_CUSTOM_START + 23,
4924
4925   EL_CUSTOM_START + 24,
4926   EL_CUSTOM_START + 25,
4927   EL_CUSTOM_START + 26,
4928   EL_CUSTOM_START + 27,
4929
4930   EL_CUSTOM_START + 28,
4931   EL_CUSTOM_START + 29,
4932   EL_CUSTOM_START + 30,
4933   EL_CUSTOM_START + 31,
4934
4935   EL_CUSTOM_START + 32,
4936   EL_CUSTOM_START + 33,
4937   EL_CUSTOM_START + 34,
4938   EL_CUSTOM_START + 35,
4939
4940   EL_CUSTOM_START + 36,
4941   EL_CUSTOM_START + 37,
4942   EL_CUSTOM_START + 38,
4943   EL_CUSTOM_START + 39,
4944
4945   EL_CUSTOM_START + 40,
4946   EL_CUSTOM_START + 41,
4947   EL_CUSTOM_START + 42,
4948   EL_CUSTOM_START + 43,
4949
4950   EL_CUSTOM_START + 44,
4951   EL_CUSTOM_START + 45,
4952   EL_CUSTOM_START + 46,
4953   EL_CUSTOM_START + 47,
4954
4955   EL_CUSTOM_START + 48,
4956   EL_CUSTOM_START + 49,
4957   EL_CUSTOM_START + 50,
4958   EL_CUSTOM_START + 51,
4959
4960   EL_CUSTOM_START + 52,
4961   EL_CUSTOM_START + 53,
4962   EL_CUSTOM_START + 54,
4963   EL_CUSTOM_START + 55,
4964
4965   EL_CUSTOM_START + 56,
4966   EL_CUSTOM_START + 57,
4967   EL_CUSTOM_START + 58,
4968   EL_CUSTOM_START + 59,
4969
4970   EL_CUSTOM_START + 60,
4971   EL_CUSTOM_START + 61,
4972   EL_CUSTOM_START + 62,
4973   EL_CUSTOM_START + 63,
4974
4975   EL_CUSTOM_START + 64,
4976   EL_CUSTOM_START + 65,
4977   EL_CUSTOM_START + 66,
4978   EL_CUSTOM_START + 67,
4979
4980   EL_CUSTOM_START + 68,
4981   EL_CUSTOM_START + 69,
4982   EL_CUSTOM_START + 70,
4983   EL_CUSTOM_START + 71,
4984
4985   EL_CUSTOM_START + 72,
4986   EL_CUSTOM_START + 73,
4987   EL_CUSTOM_START + 74,
4988   EL_CUSTOM_START + 75,
4989
4990   EL_CUSTOM_START + 76,
4991   EL_CUSTOM_START + 77,
4992   EL_CUSTOM_START + 78,
4993   EL_CUSTOM_START + 79,
4994
4995   EL_CUSTOM_START + 80,
4996   EL_CUSTOM_START + 81,
4997   EL_CUSTOM_START + 82,
4998   EL_CUSTOM_START + 83,
4999
5000   EL_CUSTOM_START + 84,
5001   EL_CUSTOM_START + 85,
5002   EL_CUSTOM_START + 86,
5003   EL_CUSTOM_START + 87,
5004
5005   EL_CUSTOM_START + 88,
5006   EL_CUSTOM_START + 89,
5007   EL_CUSTOM_START + 90,
5008   EL_CUSTOM_START + 91,
5009
5010   EL_CUSTOM_START + 92,
5011   EL_CUSTOM_START + 93,
5012   EL_CUSTOM_START + 94,
5013   EL_CUSTOM_START + 95,
5014
5015   EL_CUSTOM_START + 96,
5016   EL_CUSTOM_START + 97,
5017   EL_CUSTOM_START + 98,
5018   EL_CUSTOM_START + 99,
5019
5020   EL_CUSTOM_START + 100,
5021   EL_CUSTOM_START + 101,
5022   EL_CUSTOM_START + 102,
5023   EL_CUSTOM_START + 103,
5024
5025   EL_CUSTOM_START + 104,
5026   EL_CUSTOM_START + 105,
5027   EL_CUSTOM_START + 106,
5028   EL_CUSTOM_START + 107,
5029
5030   EL_CUSTOM_START + 108,
5031   EL_CUSTOM_START + 109,
5032   EL_CUSTOM_START + 110,
5033   EL_CUSTOM_START + 111,
5034
5035   EL_CUSTOM_START + 112,
5036   EL_CUSTOM_START + 113,
5037   EL_CUSTOM_START + 114,
5038   EL_CUSTOM_START + 115,
5039
5040   EL_CUSTOM_START + 116,
5041   EL_CUSTOM_START + 117,
5042   EL_CUSTOM_START + 118,
5043   EL_CUSTOM_START + 119,
5044
5045   EL_CUSTOM_START + 120,
5046   EL_CUSTOM_START + 121,
5047   EL_CUSTOM_START + 122,
5048   EL_CUSTOM_START + 123,
5049
5050   EL_CUSTOM_START + 124,
5051   EL_CUSTOM_START + 125,
5052   EL_CUSTOM_START + 126,
5053   EL_CUSTOM_START + 127,
5054
5055   EL_CUSTOM_START + 128,
5056   EL_CUSTOM_START + 129,
5057   EL_CUSTOM_START + 130,
5058   EL_CUSTOM_START + 131,
5059
5060   EL_CUSTOM_START + 132,
5061   EL_CUSTOM_START + 133,
5062   EL_CUSTOM_START + 134,
5063   EL_CUSTOM_START + 135,
5064
5065   EL_CUSTOM_START + 136,
5066   EL_CUSTOM_START + 137,
5067   EL_CUSTOM_START + 138,
5068   EL_CUSTOM_START + 139,
5069
5070   EL_CUSTOM_START + 140,
5071   EL_CUSTOM_START + 141,
5072   EL_CUSTOM_START + 142,
5073   EL_CUSTOM_START + 143,
5074
5075   EL_CUSTOM_START + 144,
5076   EL_CUSTOM_START + 145,
5077   EL_CUSTOM_START + 146,
5078   EL_CUSTOM_START + 147,
5079
5080   EL_CUSTOM_START + 148,
5081   EL_CUSTOM_START + 149,
5082   EL_CUSTOM_START + 150,
5083   EL_CUSTOM_START + 151,
5084
5085   EL_CUSTOM_START + 152,
5086   EL_CUSTOM_START + 153,
5087   EL_CUSTOM_START + 154,
5088   EL_CUSTOM_START + 155,
5089
5090   EL_CUSTOM_START + 156,
5091   EL_CUSTOM_START + 157,
5092   EL_CUSTOM_START + 158,
5093   EL_CUSTOM_START + 159,
5094
5095   EL_CUSTOM_START + 160,
5096   EL_CUSTOM_START + 161,
5097   EL_CUSTOM_START + 162,
5098   EL_CUSTOM_START + 163,
5099
5100   EL_CUSTOM_START + 164,
5101   EL_CUSTOM_START + 165,
5102   EL_CUSTOM_START + 166,
5103   EL_CUSTOM_START + 167,
5104
5105   EL_CUSTOM_START + 168,
5106   EL_CUSTOM_START + 169,
5107   EL_CUSTOM_START + 170,
5108   EL_CUSTOM_START + 171,
5109
5110   EL_CUSTOM_START + 172,
5111   EL_CUSTOM_START + 173,
5112   EL_CUSTOM_START + 174,
5113   EL_CUSTOM_START + 175,
5114
5115   EL_CUSTOM_START + 176,
5116   EL_CUSTOM_START + 177,
5117   EL_CUSTOM_START + 178,
5118   EL_CUSTOM_START + 179,
5119
5120   EL_CUSTOM_START + 180,
5121   EL_CUSTOM_START + 181,
5122   EL_CUSTOM_START + 182,
5123   EL_CUSTOM_START + 183,
5124
5125   EL_CUSTOM_START + 184,
5126   EL_CUSTOM_START + 185,
5127   EL_CUSTOM_START + 186,
5128   EL_CUSTOM_START + 187,
5129
5130   EL_CUSTOM_START + 188,
5131   EL_CUSTOM_START + 189,
5132   EL_CUSTOM_START + 190,
5133   EL_CUSTOM_START + 191,
5134
5135   EL_CUSTOM_START + 192,
5136   EL_CUSTOM_START + 193,
5137   EL_CUSTOM_START + 194,
5138   EL_CUSTOM_START + 195,
5139
5140   EL_CUSTOM_START + 196,
5141   EL_CUSTOM_START + 197,
5142   EL_CUSTOM_START + 198,
5143   EL_CUSTOM_START + 199,
5144
5145   EL_CUSTOM_START + 200,
5146   EL_CUSTOM_START + 201,
5147   EL_CUSTOM_START + 202,
5148   EL_CUSTOM_START + 203,
5149
5150   EL_CUSTOM_START + 204,
5151   EL_CUSTOM_START + 205,
5152   EL_CUSTOM_START + 206,
5153   EL_CUSTOM_START + 207,
5154
5155   EL_CUSTOM_START + 208,
5156   EL_CUSTOM_START + 209,
5157   EL_CUSTOM_START + 210,
5158   EL_CUSTOM_START + 211,
5159
5160   EL_CUSTOM_START + 212,
5161   EL_CUSTOM_START + 213,
5162   EL_CUSTOM_START + 214,
5163   EL_CUSTOM_START + 215,
5164
5165   EL_CUSTOM_START + 216,
5166   EL_CUSTOM_START + 217,
5167   EL_CUSTOM_START + 218,
5168   EL_CUSTOM_START + 219,
5169
5170   EL_CUSTOM_START + 220,
5171   EL_CUSTOM_START + 221,
5172   EL_CUSTOM_START + 222,
5173   EL_CUSTOM_START + 223,
5174
5175   EL_CUSTOM_START + 224,
5176   EL_CUSTOM_START + 225,
5177   EL_CUSTOM_START + 226,
5178   EL_CUSTOM_START + 227,
5179
5180   EL_CUSTOM_START + 228,
5181   EL_CUSTOM_START + 229,
5182   EL_CUSTOM_START + 230,
5183   EL_CUSTOM_START + 231,
5184
5185   EL_CUSTOM_START + 232,
5186   EL_CUSTOM_START + 233,
5187   EL_CUSTOM_START + 234,
5188   EL_CUSTOM_START + 235,
5189
5190   EL_CUSTOM_START + 236,
5191   EL_CUSTOM_START + 237,
5192   EL_CUSTOM_START + 238,
5193   EL_CUSTOM_START + 239,
5194
5195   EL_CUSTOM_START + 240,
5196   EL_CUSTOM_START + 241,
5197   EL_CUSTOM_START + 242,
5198   EL_CUSTOM_START + 243,
5199
5200   EL_CUSTOM_START + 244,
5201   EL_CUSTOM_START + 245,
5202   EL_CUSTOM_START + 246,
5203   EL_CUSTOM_START + 247,
5204
5205   EL_CUSTOM_START + 248,
5206   EL_CUSTOM_START + 249,
5207   EL_CUSTOM_START + 250,
5208   EL_CUSTOM_START + 251,
5209
5210   EL_CUSTOM_START + 252,
5211   EL_CUSTOM_START + 253,
5212   EL_CUSTOM_START + 254,
5213   EL_CUSTOM_START + 255
5214 };
5215 static int *editor_hl_custom_ptr = editor_hl_custom;
5216 static int *editor_el_custom_ptr = editor_el_custom;
5217 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5218 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5219
5220 static int editor_hl_group[] =
5221 {
5222   EL_INTERNAL_CASCADE_GE_ACTIVE,
5223   EL_CHAR('G'),
5224   EL_CHAR('E'),
5225   EL_EMPTY,
5226 };
5227
5228 static int editor_el_group[] =
5229 {
5230   EL_GROUP_START + 0,
5231   EL_GROUP_START + 1,
5232   EL_GROUP_START + 2,
5233   EL_GROUP_START + 3,
5234
5235   EL_GROUP_START + 4,
5236   EL_GROUP_START + 5,
5237   EL_GROUP_START + 6,
5238   EL_GROUP_START + 7,
5239
5240   EL_GROUP_START + 8,
5241   EL_GROUP_START + 9,
5242   EL_GROUP_START + 10,
5243   EL_GROUP_START + 11,
5244
5245   EL_GROUP_START + 12,
5246   EL_GROUP_START + 13,
5247   EL_GROUP_START + 14,
5248   EL_GROUP_START + 15,
5249
5250   EL_GROUP_START + 16,
5251   EL_GROUP_START + 17,
5252   EL_GROUP_START + 18,
5253   EL_GROUP_START + 19,
5254
5255   EL_GROUP_START + 20,
5256   EL_GROUP_START + 21,
5257   EL_GROUP_START + 22,
5258   EL_GROUP_START + 23,
5259
5260   EL_GROUP_START + 24,
5261   EL_GROUP_START + 25,
5262   EL_GROUP_START + 26,
5263   EL_GROUP_START + 27,
5264
5265   EL_GROUP_START + 28,
5266   EL_GROUP_START + 29,
5267   EL_GROUP_START + 30,
5268   EL_GROUP_START + 31
5269 };
5270 static int *editor_hl_group_ptr = editor_hl_group;
5271 static int *editor_el_group_ptr = editor_el_group;
5272 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5273 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5274
5275 static int editor_hl_empty_space[] =
5276 {
5277   EL_INTERNAL_CASCADE_ES_ACTIVE,
5278   EL_CHAR('E'),
5279   EL_CHAR('S'),
5280   EL_EMPTY,
5281 };
5282
5283 static int editor_el_empty_space[] =
5284 {
5285   EL_EMPTY_SPACE_1,
5286   EL_EMPTY_SPACE_2,
5287   EL_EMPTY_SPACE_3,
5288   EL_EMPTY_SPACE_4,
5289
5290   EL_EMPTY_SPACE_5,
5291   EL_EMPTY_SPACE_6,
5292   EL_EMPTY_SPACE_7,
5293   EL_EMPTY_SPACE_8,
5294
5295   EL_EMPTY_SPACE_9,
5296   EL_EMPTY_SPACE_10,
5297   EL_EMPTY_SPACE_11,
5298   EL_EMPTY_SPACE_12,
5299
5300   EL_EMPTY_SPACE_13,
5301   EL_EMPTY_SPACE_14,
5302   EL_EMPTY_SPACE_15,
5303   EL_EMPTY_SPACE_16
5304 };
5305 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
5306 static int *editor_el_empty_space_ptr = editor_el_empty_space;
5307 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
5308 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
5309
5310 static int editor_hl_reference[] =
5311 {
5312   EL_INTERNAL_CASCADE_REF_ACTIVE,
5313   EL_CHAR('R'),
5314   EL_CHAR('E'),
5315   EL_CHAR('F')
5316 };
5317
5318 static int editor_el_reference[] =
5319 {
5320   EL_TRIGGER_PLAYER,
5321   EL_TRIGGER_ELEMENT,
5322   EL_TRIGGER_CE_VALUE,
5323   EL_TRIGGER_CE_SCORE,
5324
5325   EL_SELF,
5326   EL_ANY_ELEMENT,
5327   EL_CURRENT_CE_VALUE,
5328   EL_CURRENT_CE_SCORE,
5329
5330   EL_PREV_CE_8,
5331   EL_PREV_CE_7,
5332   EL_PREV_CE_6,
5333   EL_PREV_CE_5,
5334
5335   EL_PREV_CE_4,
5336   EL_PREV_CE_3,
5337   EL_PREV_CE_2,
5338   EL_PREV_CE_1,
5339
5340   EL_NEXT_CE_1,
5341   EL_NEXT_CE_2,
5342   EL_NEXT_CE_3,
5343   EL_NEXT_CE_4,
5344
5345   EL_NEXT_CE_5,
5346   EL_NEXT_CE_6,
5347   EL_NEXT_CE_7,
5348   EL_NEXT_CE_8,
5349 };
5350 static int *editor_hl_reference_ptr = editor_hl_reference;
5351 static int *editor_el_reference_ptr = editor_el_reference;
5352 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5353 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5354
5355 static int editor_hl_user_defined[] =
5356 {
5357   EL_INTERNAL_CASCADE_USER_ACTIVE,
5358   EL_CHAR('M'),
5359   EL_CHAR('Y'),
5360   EL_EMPTY,
5361 };
5362
5363 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5364 static int *editor_el_user_defined_ptr = NULL;
5365 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5366 static int num_editor_el_user_defined = 0;
5367
5368 static int editor_hl_dynamic[] =
5369 {
5370   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5371   EL_CHAR('U'),
5372   EL_CHAR('S'),
5373   EL_CHAR('E'),
5374 };
5375
5376 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5377 static int *editor_el_dynamic_ptr = NULL;
5378 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5379 static int num_editor_el_dynamic = 0;
5380
5381 static int editor_hl_empty[] = { EL_EMPTY };
5382 static int *editor_el_empty = NULL;     // dynamically allocated
5383
5384 static int *editor_hl_empty_ptr = editor_hl_empty;
5385 static int *editor_el_empty_ptr = NULL;
5386 static int num_editor_hl_empty = 0;
5387 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5388
5389 static boolean use_el_empty = FALSE;
5390
5391 static int *editor_elements = NULL;     // dynamically allocated
5392 static int num_editor_elements = 0;     // dynamically determined
5393
5394 static boolean setup_editor_cascade_never = FALSE;
5395
5396 static boolean setup_editor_el_players                  = TRUE;
5397 static boolean setup_editor_el_boulderdash              = TRUE;
5398 static boolean setup_editor_el_emerald_mine             = TRUE;
5399 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5400 static boolean setup_editor_el_more                     = TRUE;
5401 static boolean setup_editor_el_sokoban                  = TRUE;
5402 static boolean setup_editor_el_supaplex                 = TRUE;
5403 static boolean setup_editor_el_diamond_caves            = TRUE;
5404 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5405 static boolean setup_editor_el_mirror_magic             = TRUE;
5406 static boolean setup_editor_el_deflektor                = TRUE;
5407 static boolean setup_editor_el_chars                    = TRUE;
5408 static boolean setup_editor_el_steel_chars              = TRUE;
5409 static boolean setup_editor_el_custom                   = TRUE;
5410 static boolean setup_editor_el_user_defined             = TRUE;
5411 static boolean setup_editor_el_dynamic                  = TRUE;
5412
5413 static int editor_hl_unused[] = { EL_EMPTY };
5414 static int *editor_hl_unused_ptr = editor_hl_unused;
5415 static int num_editor_hl_unused = 0;
5416
5417 static struct
5418 {
5419   boolean *setup_value;
5420   boolean *setup_cascade_value;
5421
5422   int **headline_list;
5423   int *headline_list_size;
5424
5425   int **element_list;
5426   int *element_list_size;
5427
5428   boolean last_setup_value;
5429 }
5430 editor_elements_info[] =
5431 {
5432   {
5433     &setup_editor_el_players,
5434     &setup_editor_cascade_never,
5435     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5436     &editor_el_players_ptr,             &num_editor_el_players
5437   },
5438   {
5439     &setup_editor_el_boulderdash,
5440     &setup.editor_cascade.el_bd,
5441     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5442     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5443   },
5444   {
5445     &setup_editor_el_emerald_mine,
5446     &setup.editor_cascade.el_em,
5447     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5448     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5449   },
5450   {
5451     &setup_editor_el_emerald_mine_club,
5452     &setup.editor_cascade.el_emc,
5453     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5454     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5455   },
5456   {
5457     &setup_editor_el_more,
5458     &setup.editor_cascade.el_rnd,
5459     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5460     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5461   },
5462   {
5463     &setup_editor_el_sokoban,
5464     &setup.editor_cascade.el_sb,
5465     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5466     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5467   },
5468   {
5469     &setup_editor_el_supaplex,
5470     &setup.editor_cascade.el_sp,
5471     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5472     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5473   },
5474   {
5475     &setup_editor_el_diamond_caves,
5476     &setup.editor_cascade.el_dc,
5477     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5478     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5479   },
5480   {
5481     &setup_editor_el_dx_boulderdash,
5482     &setup.editor_cascade.el_dx,
5483     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5484     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5485   },
5486   {
5487     &setup_editor_el_mirror_magic,
5488     &setup.editor_cascade.el_mm,
5489     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5490     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5491   },
5492   {
5493     &setup_editor_el_deflektor,
5494     &setup.editor_cascade.el_df,
5495     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5496     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5497   },
5498   {
5499     &setup_editor_el_chars,
5500     &setup.editor_cascade.el_chars,
5501     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5502     &editor_el_chars_ptr,               &num_editor_el_chars
5503   },
5504   {
5505     &setup_editor_el_steel_chars,
5506     &setup.editor_cascade.el_steel_chars,
5507     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5508     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5509   },
5510   {
5511     &setup_editor_el_custom,
5512     &setup.editor_cascade.el_ce,
5513     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5514     &editor_el_custom_ptr,              &num_editor_el_custom
5515   },
5516   {
5517     &setup_editor_el_custom,
5518     &setup.editor_cascade.el_ge,
5519     &editor_hl_group_ptr,               &num_editor_hl_group,
5520     &editor_el_group_ptr,               &num_editor_el_group
5521   },
5522   {
5523     &setup_editor_el_custom,
5524     &setup.editor_cascade.el_es,
5525     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
5526     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
5527   },
5528   {
5529     &setup_editor_el_custom,
5530     &setup.editor_cascade.el_ref,
5531     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5532     &editor_el_reference_ptr,           &num_editor_el_reference
5533   },
5534   {
5535     &setup_editor_el_user_defined,
5536     &setup.editor_cascade.el_user,
5537     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5538     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5539   },
5540   {
5541     &setup_editor_el_dynamic,
5542     &setup.editor_cascade.el_dynamic,
5543     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5544     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5545   },
5546   {
5547     &use_el_empty,
5548     &use_el_empty,
5549     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5550     &editor_el_empty_ptr,               &num_editor_el_empty,
5551   },
5552   {
5553     NULL,
5554     NULL,
5555     NULL,                               NULL,
5556     NULL,                               NULL
5557   }
5558 };
5559
5560
5561 // ----------------------------------------------------------------------------
5562 // functions
5563 // ----------------------------------------------------------------------------
5564
5565 static int getMaxInfoTextLength(void)
5566 {
5567   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5568 }
5569
5570 static int getTextWidthForGadget(char *text)
5571 {
5572   if (text == NULL)
5573     return 0;
5574
5575   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5576 }
5577
5578 static int getTextWidthForDrawingArea(char *text)
5579 {
5580   if (text == NULL)
5581     return 0;
5582
5583   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5584 }
5585
5586 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5587 {
5588   return (gi->x + gi->width + getTextWidthForGadget(text));
5589 }
5590
5591 static char *getElementInfoText(int element)
5592 {
5593   char *info_text = NULL;
5594
5595   if (element < MAX_NUM_ELEMENTS)
5596   {
5597     if (strlen(element_info[element].description) > 0)
5598       info_text = element_info[element].description;
5599     else if (element_info[element].custom_description != NULL)
5600       info_text = element_info[element].custom_description;
5601     else if (element_info[element].editor_description != NULL)
5602       info_text = element_info[element].editor_description;
5603   }
5604
5605   if (info_text == NULL)
5606     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5607
5608   return info_text;
5609 }
5610
5611 static char *getElementDescriptionFilenameExt(char *basename)
5612 {
5613   char *elements_subdir = "elements";
5614   static char *elements_subdir2 = NULL;
5615   static char *filename = NULL;
5616
5617   if (elements_subdir2 == NULL)
5618     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5619
5620   checked_free(filename);
5621
5622   // 1st try: look for element description in current level set directory
5623   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5624   if (fileExists(filename))
5625     return filename;
5626
5627   free(filename);
5628
5629   // 2nd try: look for element description in the game's base directory
5630   filename = getPath3(options.docs_directory, elements_subdir, basename);
5631   if (fileExists(filename))
5632     return filename;
5633
5634   return NULL;
5635 }
5636
5637 static char *getElementDescriptionFilename(int element)
5638 {
5639   char basename[MAX_FILENAME_LEN];
5640   char *filename;
5641
5642   // 1st try: look for element description file for exactly this element
5643   sprintf(basename, "%s.txt", element_info[element].token_name);
5644   filename = getElementDescriptionFilenameExt(basename);
5645   if (filename != NULL)
5646     return filename;
5647
5648   // 2nd try: look for element description file for this element's class
5649   sprintf(basename, "%s.txt", element_info[element].class_name);
5650   filename = getElementDescriptionFilenameExt(basename);
5651   if (filename != NULL)
5652     return filename;
5653
5654   return NULL;
5655 }
5656
5657 static boolean suppressBorderElement(void)
5658 {
5659   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5660           lev_fieldx <= MAX_ED_FIELDX &&
5661           lev_fieldy <= MAX_ED_FIELDY);
5662 }
5663
5664 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5665 {
5666   boolean element_found[NUM_FILE_ELEMENTS];
5667   int i, x, y;
5668
5669   // initialize list of used elements to "not used"
5670   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5671     element_found[i] = FALSE;
5672
5673   // find all elements used in current level
5674   for (y = 0; y < lev_fieldy; y++)
5675     for (x = 0; x < lev_fieldx; x++)
5676       if (Tile[x][y] < NUM_FILE_ELEMENTS)       // should always be true
5677         element_found[Tile[x][y]] = TRUE;
5678
5679   *num_elements = 0;
5680
5681   // count number of elements used in current level
5682   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5683     if (element_found[i])
5684       (*num_elements)++;
5685
5686   // add space for up to 3 more elements for padding that may be needed
5687   *num_elements += 3;
5688
5689   // free memory for old list of elements, if needed
5690   checked_free(*elements);
5691
5692   // allocate memory for new list of elements
5693   *elements = checked_malloc(*num_elements * sizeof(int));
5694
5695   *num_elements = 0;
5696
5697   // add all elements used in current level (non-custom/group elements)
5698   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5699     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5700       (*elements)[(*num_elements)++] = i;
5701
5702   // add all elements used in current level (custom/group elements)
5703   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5704     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5705       (*elements)[(*num_elements)++] = i;
5706
5707   while (*num_elements % 4)     // pad with empty elements, if needed
5708     (*elements)[(*num_elements)++] = EL_EMPTY;
5709 }
5710
5711 static void ReinitializeElementList_EnableSections(void)
5712 {
5713   // default: enable all element sections
5714
5715   setup_editor_el_players               = TRUE;
5716   setup_editor_el_boulderdash           = TRUE;
5717   setup_editor_el_emerald_mine          = TRUE;
5718   setup_editor_el_emerald_mine_club     = TRUE;
5719   setup_editor_el_more                  = TRUE;
5720   setup_editor_el_sokoban               = TRUE;
5721   setup_editor_el_supaplex              = TRUE;
5722   setup_editor_el_diamond_caves         = TRUE;
5723   setup_editor_el_dx_boulderdash        = TRUE;
5724   setup_editor_el_mirror_magic          = TRUE;
5725   setup_editor_el_deflektor             = TRUE;
5726   setup_editor_el_chars                 = TRUE;
5727   setup_editor_el_steel_chars           = TRUE;
5728
5729   setup_editor_el_custom                = TRUE;
5730   setup_editor_el_user_defined          = TRUE;
5731   setup_editor_el_dynamic               = TRUE;
5732
5733   // now disable all element sections not to be displayed
5734
5735   if (!setup.editor.el_classic)
5736   {
5737     setup_editor_el_players             = FALSE;
5738     setup_editor_el_boulderdash         = FALSE;
5739     setup_editor_el_emerald_mine        = FALSE;
5740     setup_editor_el_emerald_mine_club   = FALSE;
5741     setup_editor_el_more                = FALSE;
5742     setup_editor_el_sokoban             = FALSE;
5743     setup_editor_el_supaplex            = FALSE;
5744     setup_editor_el_diamond_caves       = FALSE;
5745     setup_editor_el_dx_boulderdash      = FALSE;
5746     setup_editor_el_mirror_magic        = FALSE;
5747     setup_editor_el_deflektor           = FALSE;
5748     setup_editor_el_chars               = FALSE;
5749     setup_editor_el_steel_chars         = FALSE;
5750   }
5751
5752   if (!setup.editor.el_custom)
5753   {
5754     setup_editor_el_custom              = FALSE;
5755   }
5756
5757   if (!setup.editor.el_user_defined)
5758   {
5759     setup_editor_el_user_defined        = FALSE;
5760   }
5761
5762   if (!setup.editor.el_dynamic)
5763   {
5764     setup_editor_el_dynamic             = FALSE;
5765   }
5766
5767   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5768   {
5769     setup_editor_el_mirror_magic        = FALSE;
5770     setup_editor_el_deflektor           = FALSE;
5771   }
5772   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5773   {
5774     setup_editor_el_boulderdash         = FALSE;
5775     setup_editor_el_more                = FALSE;
5776     setup_editor_el_sokoban             = FALSE;
5777     setup_editor_el_supaplex            = FALSE;
5778     setup_editor_el_diamond_caves       = FALSE;
5779     setup_editor_el_dx_boulderdash      = FALSE;
5780     setup_editor_el_mirror_magic        = FALSE;
5781     setup_editor_el_deflektor           = FALSE;
5782     setup_editor_el_steel_chars         = FALSE;
5783
5784     setup_editor_el_custom              = FALSE;
5785   }
5786   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5787   {
5788     setup_editor_el_players             = FALSE;
5789     setup_editor_el_boulderdash         = FALSE;
5790     setup_editor_el_emerald_mine        = FALSE;
5791     setup_editor_el_emerald_mine_club   = FALSE;
5792     setup_editor_el_more                = FALSE;
5793     setup_editor_el_sokoban             = FALSE;
5794     setup_editor_el_diamond_caves       = FALSE;
5795     setup_editor_el_dx_boulderdash      = FALSE;
5796     setup_editor_el_mirror_magic        = FALSE;
5797     setup_editor_el_deflektor           = FALSE;
5798     setup_editor_el_chars               = FALSE;
5799     setup_editor_el_steel_chars         = FALSE;
5800
5801     setup_editor_el_custom              = FALSE;
5802   }
5803   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5804   {
5805     setup_editor_el_players             = FALSE;
5806     setup_editor_el_boulderdash         = FALSE;
5807     setup_editor_el_emerald_mine        = FALSE;
5808     setup_editor_el_emerald_mine_club   = FALSE;
5809     setup_editor_el_more                = FALSE;
5810     setup_editor_el_sokoban             = FALSE;
5811     setup_editor_el_supaplex            = FALSE;
5812     setup_editor_el_diamond_caves       = FALSE;
5813     setup_editor_el_dx_boulderdash      = FALSE;
5814     setup_editor_el_steel_chars         = FALSE;
5815
5816     setup_editor_el_custom              = FALSE;
5817   }
5818 }
5819
5820 static void ReinitializeElementList(void)
5821 {
5822   static boolean initialization_needed = TRUE;
5823   int pos = 0;
5824   int i, j;
5825
5826   ReinitializeElementList_EnableSections();
5827
5828   if (initialization_needed)
5829   {
5830     LoadSetup_EditorCascade();          // load last editor cascade state
5831
5832     // initialize editor cascade element from saved cascade state
5833     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5834     {
5835       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5836       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5837
5838       if (IS_EDITOR_CASCADE(*cascade_element))
5839         *cascade_element =
5840           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5841            EL_CASCADE_INACTIVE(*cascade_element));
5842     }
5843
5844     initialization_needed = FALSE;
5845   }
5846
5847   checked_free(editor_elements);
5848
5849   // reload optional user defined element list for each invocation of editor
5850   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5851                                    &num_editor_el_user_defined);
5852
5853   // initialize dynamic level element list for each invocation of editor
5854   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5855                                &num_editor_el_dynamic);
5856
5857   // initialize list of empty elements (used for padding, if needed)
5858   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5859     editor_el_empty[i] = EL_EMPTY;
5860
5861   // do some sanity checks for each element from element list
5862   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5863   {
5864     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5865     {
5866       int element = (*editor_elements_info[i].element_list)[j];
5867
5868       if (element >= NUM_FILE_ELEMENTS)
5869         Warn("editor element %d is runtime element", element);
5870
5871       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5872         Warn("no element description text for element %d", element);
5873     }
5874   }
5875
5876   num_editor_elements = 0;
5877   use_el_empty = FALSE;
5878
5879   // determine size of element list
5880   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5881   {
5882     boolean found_inactive_cascade = FALSE;
5883
5884     if (*editor_elements_info[i].setup_value)
5885     {
5886       if (setup.editor.el_headlines)
5887       {
5888         // required for correct padding of palette headline buttons
5889         if (*editor_elements_info[i].headline_list_size > 0)
5890           num_editor_elements += ED_ELEMENTLIST_COLS;
5891
5892         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5893         {
5894           int element = (*editor_elements_info[i].headline_list)[j];
5895
5896           if (IS_EDITOR_CASCADE_INACTIVE(element))
5897             found_inactive_cascade = TRUE;
5898         }
5899       }
5900
5901       if (found_inactive_cascade)
5902         continue;
5903
5904       // required for correct padding of palette element buttons
5905       int element_list_size = *editor_elements_info[i].element_list_size;
5906       int element_rows =
5907         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5908       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5909
5910       num_editor_elements += element_buttons;
5911     }
5912   }
5913
5914   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5915   {
5916     // offer at least as many elements as element buttons exist
5917     use_el_empty = TRUE;
5918     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5919
5920     num_editor_elements += num_editor_el_empty;
5921   }
5922   else
5923   {
5924     num_editor_el_empty = 0;
5925   }
5926
5927   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5928
5929   // fill element list
5930   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5931   {
5932     boolean found_inactive_cascade = FALSE;
5933
5934     if (*editor_elements_info[i].setup_value)
5935     {
5936       if (setup.editor.el_headlines)
5937       {
5938         // required for correct padding of palette headline buttons
5939         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5940                              ED_ELEMENTLIST_COLS : 0);
5941
5942         for (j = 0; j < headline_size; j++)
5943         {
5944           // use empty elements for padding of palette headline buttons
5945           int element = (j < *editor_elements_info[i].headline_list_size ?
5946                          (*editor_elements_info[i].headline_list)[j] :
5947                          editor_el_empty[0]);
5948
5949           editor_elements[pos++] = element;
5950
5951           if (IS_EDITOR_CASCADE_INACTIVE(element))
5952             found_inactive_cascade = TRUE;
5953         }
5954       }
5955
5956       if (found_inactive_cascade)
5957         continue;
5958
5959       // required for correct padding of palette element buttons
5960       int element_list_size = *editor_elements_info[i].element_list_size;
5961       int element_rows =
5962         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5963       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5964
5965       // copy all elements from element list
5966       for (j = 0; j < element_list_size; j++)
5967         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5968
5969       // use empty elements for padding of palette element buttons
5970       for (j = 0; j < element_buttons - element_list_size; j++)
5971         editor_elements[pos++] = editor_el_empty[0];
5972     }
5973   }
5974
5975   // (this function is also called before editor gadgets are initialized!)
5976   AdjustElementListScrollbar();
5977 }
5978
5979 void PrintEditorElementList(void)
5980 {
5981   boolean *stop = &setup_editor_el_user_defined;
5982   int i, j;
5983
5984   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5985   {
5986     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5987
5988     if (IS_EDITOR_CASCADE(cascade_element))
5989     {
5990       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5991       char *headline = element_info[cascade_element_show].editor_description;
5992
5993       PrintLineWithPrefix("# ", "-", 77);
5994       Print("# %s\n", headline);
5995       PrintLineWithPrefix("# ", "-", 77);
5996     }
5997
5998     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5999     {
6000       int element = (*editor_elements_info[i].headline_list)[j];
6001
6002       if (IS_EDITOR_CASCADE(element))
6003         element = EL_CHAR_MINUS;
6004
6005       Print("# %s\n", element_info[element].token_name);
6006     }
6007
6008     if (j > 0)
6009       Print("#\n");
6010
6011     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6012     {
6013       int element = (*editor_elements_info[i].element_list)[j];
6014
6015       Print("# %s\n", element_info[element].token_name);
6016     }
6017
6018     if (j > 0)
6019       Print("#\n");
6020   }
6021 }
6022
6023 static void ReinitializeElementListButtons(void)
6024 {
6025   static boolean last_setup_value_headlines = FALSE;
6026   static boolean initialization_needed = TRUE;
6027   int i;
6028
6029   if (!initialization_needed)   // check if editor element setup has changed
6030   {
6031     if (last_setup_value_headlines != setup.editor.el_headlines)
6032       initialization_needed = TRUE;
6033
6034     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6035       if (editor_elements_info[i].last_setup_value !=
6036           *editor_elements_info[i].setup_value)
6037         initialization_needed = TRUE;
6038   }
6039
6040   if (!initialization_needed)
6041     return;
6042
6043   FreeLevelEditorGadgets();
6044   CreateLevelEditorGadgets();
6045
6046   // store current setup values for next invocation of this function
6047   last_setup_value_headlines = setup.editor.el_headlines;
6048   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6049     editor_elements_info[i].last_setup_value =
6050       *editor_elements_info[i].setup_value;
6051
6052   initialization_needed = FALSE;
6053 }
6054
6055 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
6056                               boolean input)
6057 {
6058   int border_graphic =
6059     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
6060   struct GraphicInfo *g = &graphic_info[border_graphic];
6061   Bitmap *src_bitmap = g->bitmap;
6062   int src_x = g->src_x;
6063   int src_y = g->src_y;
6064   int border_size = g->border_size;
6065   int border_xpos = g->width  - border_size;
6066   int border_ypos = g->height - border_size;
6067   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6068   int i;
6069
6070   BlitBitmap(src_bitmap, drawto, src_x, src_y,
6071              border_size, border_size,
6072              dest_x - border_size, dest_y - border_size);
6073   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
6074              border_size, border_size,
6075              dest_x + width, dest_y - border_size);
6076   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
6077              border_size, border_size,
6078              dest_x - border_size, dest_y + height);
6079   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
6080              border_size, border_size,
6081              dest_x + width, dest_y + height);
6082
6083   for (i = 0; i < width / tilesize; i++)
6084   {
6085     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
6086                tilesize, border_size,
6087                dest_x + i * tilesize, dest_y - border_size);
6088     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
6089                tilesize, border_size,
6090                dest_x + i * tilesize, dest_y + height);
6091   }
6092
6093   for (i = 0; i < height / tilesize; i++)
6094   {
6095     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
6096                border_size, tilesize,
6097                dest_x - border_size, dest_y + i * tilesize);
6098     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
6099                border_size, tilesize,
6100                dest_x + width, dest_y + i * tilesize);
6101   }
6102
6103   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
6104 }
6105
6106 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
6107 {
6108   int xsize_tile = MAX(ed_tilesize, xsize);
6109   int ysize_tile = MAX(ed_tilesize, ysize);
6110   int xsize_full = xsize + 1;
6111   int ysize_full = ysize + 1;
6112   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
6113   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
6114   Pixel line_color = getTabulatorBarColor();
6115
6116   if (line_color == BLACK_PIXEL)                // black => transparent
6117     return;
6118
6119   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6120   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6121   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6122 }
6123
6124 static void DrawEditorLevelBorderLinesIfNeeded(void)
6125 {
6126   int xsize = lev_fieldx * ed_tilesize;
6127   int ysize = lev_fieldy * ed_tilesize;
6128   int line_size = getTabulatorBarHeight();
6129
6130   if (!suppressBorderElement())
6131     return;
6132
6133   // draw little border line around editable level playfield
6134
6135   if (xsize < SXSIZE)
6136     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6137
6138   if (ysize < SYSIZE)
6139     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6140
6141   if (xsize < SXSIZE && ysize < SYSIZE)
6142     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6143 }
6144
6145 static void DrawEditorElement(int x, int y, int element)
6146 {
6147   DrawSizedElement(x, y, element, ed_tilesize);
6148 }
6149
6150 static void DrawEditorElementThruMask(int x, int y, int element)
6151 {
6152   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6153 }
6154
6155 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6156 {
6157   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6158 }
6159
6160 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6161 {
6162   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6163   DrawEditorLevelBorderLinesIfNeeded();
6164 }
6165
6166 static void DrawDrawingArea(int id)
6167 {
6168   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6169   int x, y;
6170
6171   int *value = drawingarea_info[id].value;
6172   int area_xsize = drawingarea_info[id].area_xsize;
6173   int area_ysize = drawingarea_info[id].area_ysize;
6174   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6175
6176   for (x = 0; x < area_xsize; x++)
6177     for (y = 0; y < area_ysize; y++)
6178       DrawSizedGraphicExt(drawto,
6179                           gi->x + x * tilesize,
6180                           gi->y + y * tilesize,
6181                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6182 }
6183
6184 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6185 {
6186   int x, y;
6187   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6188   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6189
6190   BlitBitmap(drawto, drawto,
6191              SX + (dx == -1 ? ed_tilesize : 0),
6192              SY + (dy == -1 ? ed_tilesize : 0),
6193              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6194              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6195              SX + (dx == +1 ? ed_tilesize : 0),
6196              SY + (dy == +1 ? ed_tilesize : 0));
6197
6198   if (dx)
6199   {
6200     x = (dx == 1 ? 0 : ed_fieldx - 1);
6201     for (y = 0; y < ed_fieldy; y++)
6202       DrawEditorElementOrWall(x, y, from_x, from_y);
6203   }
6204   else if (dy)
6205   {
6206     y = (dy == 1 ? 0 : ed_fieldy - 1);
6207     for (x = 0; x < ed_fieldx; x++)
6208       DrawEditorElementOrWall(x, y, from_x, from_y);
6209   }
6210
6211   redraw_mask |= REDRAW_FIELD;
6212   BackToFront();
6213 }
6214
6215 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6216                                    int *x, int *y)
6217 {
6218   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6219 }
6220
6221 static void CreateControlButtons(void)
6222 {
6223   struct GadgetInfo *gi;
6224   int i;
6225
6226   // create toolbox buttons
6227   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6228   {
6229     int id = controlbutton_info[i].gadget_id;
6230     int type = controlbutton_info[i].gadget_type;
6231     int graphic = controlbutton_info[i].graphic;
6232     struct XYTileSize *pos = controlbutton_info[i].pos;
6233     struct GraphicInfo *gd = &graphic_info[graphic];
6234     Bitmap *deco_bitmap = NULL;
6235     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6236     int tile_size = 0, deco_shift = 0;
6237     boolean deco_masked = FALSE;
6238     int gd_x1 = gd->src_x;
6239     int gd_y1 = gd->src_y;
6240     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6241     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6242     int gd_x1a = gd->src_x + gd->active_xoffset;
6243     int gd_y1a = gd->src_y + gd->active_yoffset;
6244     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6245     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6246     int x = pos->x;
6247     int y = pos->y;
6248     unsigned int event_mask;
6249     int radio_button_nr = RADIO_NR_NONE;
6250     boolean checked = FALSE;
6251
6252     if (type == GD_TYPE_RADIO_BUTTON)
6253     {
6254       event_mask = GD_EVENT_PRESSED;
6255       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6256
6257       if (id == drawing_function)
6258         checked = TRUE;
6259     }
6260     else
6261     {
6262       if (id == GADGET_ID_WRAP_LEFT ||
6263           id == GADGET_ID_WRAP_RIGHT ||
6264           id == GADGET_ID_WRAP_UP ||
6265           id == GADGET_ID_WRAP_DOWN)
6266         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6267       else
6268         event_mask = GD_EVENT_RELEASED;
6269     }
6270
6271     if (id == GADGET_ID_PROPERTIES ||
6272         id == GADGET_ID_PALETTE)
6273     {
6274       x += DX;
6275       y += DY;
6276     }
6277     else if (id == GADGET_ID_ELEMENT_LEFT ||
6278              id == GADGET_ID_ELEMENT_MIDDLE ||
6279              id == GADGET_ID_ELEMENT_RIGHT)
6280     {
6281       x += DX;
6282       y += DY;
6283
6284       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6285                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6286                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6287
6288       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6289                                    editor.button.element_left.tile_size :
6290                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6291                                    editor.button.element_middle.tile_size :
6292                                    id == GADGET_ID_ELEMENT_RIGHT ?
6293                                    editor.button.element_right.tile_size : 0);
6294
6295       // make sure that decoration does not overlap gadget border
6296       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6297
6298       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6299
6300       deco_xpos = (gd->width  - tile_size) / 2;
6301       deco_ypos = (gd->height - tile_size) / 2;
6302       deco_shift = 1;
6303       deco_masked = gd->draw_masked;
6304     }
6305     else
6306     {
6307       x += EX;
6308       y += EY;
6309     }
6310
6311     gi = CreateGadget(GDI_CUSTOM_ID, id,
6312                       GDI_CUSTOM_TYPE_ID, i,
6313                       GDI_IMAGE_ID, graphic,
6314                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6315                       GDI_X, x,
6316                       GDI_Y, y,
6317                       GDI_WIDTH, gd->width,
6318                       GDI_HEIGHT, gd->height,
6319                       GDI_TYPE, type,
6320                       GDI_STATE, GD_BUTTON_UNPRESSED,
6321                       GDI_RADIO_NR, radio_button_nr,
6322                       GDI_CHECKED, checked,
6323                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6324                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6325                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6326                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6327                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6328                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6329                       GDI_DECORATION_SIZE, tile_size, tile_size,
6330                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6331                       GDI_DECORATION_MASKED, deco_masked,
6332                       GDI_EVENT_MASK, event_mask,
6333                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6334                       GDI_CALLBACK_ACTION, HandleControlButtons,
6335                       GDI_END);
6336
6337     if (gi == NULL)
6338       Fail("cannot create gadget");
6339
6340     level_editor_gadget[id] = gi;
6341   }
6342
6343   // these values are not constant, but can change at runtime
6344   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6345   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6346   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6347   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6348   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6349   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6350   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6351   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6352   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6353   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6354   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6355   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6356
6357   // create buttons for scrolling of drawing area and element list
6358   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6359   {
6360     int id = scrollbutton_info[i].gadget_id;
6361     int graphic = scrollbutton_info[i].graphic;
6362     struct GraphicInfo *gd = &graphic_info[graphic];
6363     Bitmap *gd_bitmap = gd->bitmap;
6364     int gd_x1 = gd->src_x;
6365     int gd_y1 = gd->src_y;
6366     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6367     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6368     int width  = gd->width;
6369     int height = gd->height;
6370     int x = scrollbutton_pos[i].x;
6371     int y = scrollbutton_pos[i].y;
6372     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6373
6374     if (id == GADGET_ID_SCROLL_LIST_UP ||
6375         id == GADGET_ID_SCROLL_LIST_DOWN)
6376     {
6377       x += PX;
6378       y += PY;
6379     }
6380     else
6381     {
6382       x += SX;
6383       y += SY;
6384     }
6385
6386     gi = CreateGadget(GDI_CUSTOM_ID, id,
6387                       GDI_CUSTOM_TYPE_ID, i,
6388                       GDI_IMAGE_ID, graphic,
6389                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6390                       GDI_X, x,
6391                       GDI_Y, y,
6392                       GDI_WIDTH, width,
6393                       GDI_HEIGHT, height,
6394                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6395                       GDI_STATE, GD_BUTTON_UNPRESSED,
6396                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6397                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6398                       GDI_EVENT_MASK, event_mask,
6399                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6400                       GDI_CALLBACK_ACTION, HandleControlButtons,
6401                       GDI_END);
6402
6403     if (gi == NULL)
6404       Fail("cannot create gadget");
6405
6406     level_editor_gadget[id] = gi;
6407   }
6408
6409   // create buttons for element list
6410   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6411   {
6412     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6413     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6414     struct GraphicInfo *gd = &graphic_info[graphic];
6415     Bitmap *gd_bitmap = gd->bitmap;
6416     Bitmap *deco_bitmap;
6417     int deco_x, deco_y, deco_xpos, deco_ypos;
6418     int gd_x1 = gd->src_x;
6419     int gd_y1 = gd->src_y;
6420     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6421     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6422     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6423     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6424     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6425     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6426     int element = editor_elements[i];
6427     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6428     unsigned int event_mask = GD_EVENT_RELEASED;
6429
6430     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6431
6432     deco_xpos = (gd->width  - tile_size) / 2;
6433     deco_ypos = (gd->height - tile_size) / 2;
6434
6435     gi = CreateGadget(GDI_CUSTOM_ID, id,
6436                       GDI_CUSTOM_TYPE_ID, i,
6437                       GDI_IMAGE_ID, graphic,
6438                       GDI_INFO_TEXT, getElementInfoText(element),
6439                       GDI_X, x,
6440                       GDI_Y, y,
6441                       GDI_WIDTH, gd->width,
6442                       GDI_HEIGHT, gd->height,
6443                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6444                       GDI_STATE, GD_BUTTON_UNPRESSED,
6445                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6446                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6447                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6448                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6449                       GDI_DECORATION_SIZE, tile_size, tile_size,
6450                       GDI_DECORATION_SHIFTING, 1, 1,
6451                       GDI_EVENT_MASK, event_mask,
6452                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6453                       GDI_CALLBACK_ACTION, HandleControlButtons,
6454                       GDI_END);
6455
6456     if (gi == NULL)
6457       Fail("cannot create gadget");
6458
6459     level_editor_gadget[id] = gi;
6460   }
6461 }
6462
6463 static void CreateCounterButtons(void)
6464 {
6465   int max_infotext_len = getMaxInfoTextLength();
6466   int i;
6467
6468   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6469   {
6470     int j;
6471     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
6472     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6473
6474     // determine horizontal position to the right of specified gadget
6475     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6476       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6477            ED_GADGET_TEXT_DISTANCE);
6478
6479     // determine horizontal offset for leading text
6480     if (counterbutton_info[i].text_left != NULL)
6481       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6482
6483     for (j = 0; j < 2; j++)
6484     {
6485       struct GadgetInfo *gi;
6486       int id = (j == 0 ?
6487                 counterbutton_info[i].gadget_id_down :
6488                 counterbutton_info[i].gadget_id_up);
6489       int graphic;
6490       struct GraphicInfo *gd;
6491       int gd_x1, gd_x2, gd_y1, gd_y2;
6492       unsigned int event_mask;
6493       char infotext[max_infotext_len + 1];
6494
6495       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6496
6497       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6498       {
6499         graphic = (j == 0 ?
6500                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6501                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6502
6503         event_mask |= GD_EVENT_RELEASED;
6504
6505         if (j == 0)
6506         {
6507           x = DX + editor.button.prev_level.x;
6508           y = DY + editor.button.prev_level.y;
6509         }
6510         else
6511         {
6512           x = DX + editor.button.next_level.x;
6513           y = DY + editor.button.next_level.y;
6514         }
6515       }
6516       else
6517       {
6518         graphic = (j == 0 ?
6519                    IMG_EDITOR_COUNTER_DOWN :
6520                    IMG_EDITOR_COUNTER_UP);
6521       }
6522
6523       gd = &graphic_info[graphic];
6524
6525       gd_x1 = gd->src_x;
6526       gd_y1 = gd->src_y;
6527       gd_x2 = gd->src_x + gd->pressed_xoffset;
6528       gd_y2 = gd->src_y + gd->pressed_yoffset;
6529
6530       sprintf(infotext, "%s counter value by 1, 5 or 10",
6531               (j == 0 ? "decrease" : "increase"));
6532
6533       gi = CreateGadget(GDI_CUSTOM_ID, id,
6534                         GDI_CUSTOM_TYPE_ID, i,
6535                         GDI_IMAGE_ID, graphic,
6536                         GDI_INFO_TEXT, infotext,
6537                         GDI_X, x,
6538                         GDI_Y, y,
6539                         GDI_WIDTH, gd->width,
6540                         GDI_HEIGHT, gd->height,
6541                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6542                         GDI_STATE, GD_BUTTON_UNPRESSED,
6543                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6544                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6545                         GDI_EVENT_MASK, event_mask,
6546                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6547                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6548                         GDI_END);
6549
6550       if (gi == NULL)
6551         Fail("cannot create gadget");
6552
6553       level_editor_gadget[id] = gi;
6554       right_gadget_border[id] =
6555         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6556
6557       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
6558
6559       if (j == 0)
6560       {
6561         int font_type = FONT_INPUT_1;
6562         int font_type_active = FONT_INPUT_1_ACTIVE;
6563
6564         id = counterbutton_info[i].gadget_id_text;
6565
6566         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6567
6568         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6569         {
6570           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6571
6572           font_type = FONT_LEVEL_NUMBER;
6573           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6574
6575           x = DX + editor.input.level_number.x;
6576           y = DY + editor.input.level_number.y;
6577         }
6578         else
6579         {
6580           graphic = IMG_EDITOR_COUNTER_INPUT;
6581         }
6582
6583         gd = &graphic_info[graphic];
6584
6585         gd_x1 = gd->src_x;
6586         gd_y1 = gd->src_y;
6587         gd_x2 = gd->src_x + gd->active_xoffset;
6588         gd_y2 = gd->src_y + gd->active_yoffset;
6589
6590         gi = CreateGadget(GDI_CUSTOM_ID, id,
6591                           GDI_CUSTOM_TYPE_ID, i,
6592                           GDI_IMAGE_ID, graphic,
6593                           GDI_INFO_TEXT, "enter counter value",
6594                           GDI_X, x,
6595                           GDI_Y, y,
6596                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6597                           GDI_NUMBER_VALUE, 0,
6598                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6599                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6600                           GDI_TEXT_SIZE, 3,     // minimal counter text size
6601                           GDI_TEXT_FONT, font_type,
6602                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6603                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6604                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6605                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6606                           GDI_DESIGN_WIDTH, gd->width,
6607                           GDI_EVENT_MASK, event_mask,
6608                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6609                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6610                           GDI_END);
6611
6612         if (gi == NULL)
6613           Fail("cannot create gadget");
6614
6615         level_editor_gadget[id] = gi;
6616         right_gadget_border[id] =
6617           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6618
6619         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
6620       }
6621     }
6622   }
6623 }
6624
6625 static void CreateDrawingAreas(void)
6626 {
6627   int i;
6628
6629   // these values are not constant, but can change at runtime
6630   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6631   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6632
6633   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6634   {
6635     struct GadgetInfo *gi;
6636     unsigned int event_mask;
6637     int id = drawingarea_info[i].gadget_id;
6638     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6639     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6640     int area_xsize = drawingarea_info[i].area_xsize;
6641     int area_ysize = drawingarea_info[i].area_ysize;
6642     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6643                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6644
6645     event_mask =
6646       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6647       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6648
6649     // determine horizontal position to the right of specified gadget
6650     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6651       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6652            ED_DRAWINGAREA_TEXT_DISTANCE);
6653
6654     // determine horizontal offset for leading text
6655     if (drawingarea_info[i].text_left != NULL)
6656       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6657
6658     gi = CreateGadget(GDI_CUSTOM_ID, id,
6659                       GDI_CUSTOM_TYPE_ID, i,
6660                       GDI_X, x,
6661                       GDI_Y, y,
6662                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6663                       GDI_AREA_SIZE, area_xsize, area_ysize,
6664                       GDI_ITEM_SIZE, item_size, item_size,
6665                       GDI_EVENT_MASK, event_mask,
6666                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6667                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6668                       GDI_END);
6669
6670     if (gi == NULL)
6671       Fail("cannot create gadget");
6672
6673     level_editor_gadget[id] = gi;
6674     right_gadget_border[id] =
6675       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6676   }
6677 }
6678
6679 static void CreateTextInputGadgets(void)
6680 {
6681   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6682   int max_infotext_len = getMaxInfoTextLength();
6683   int i;
6684
6685   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6686   {
6687     int gd_x1 = gd->src_x;
6688     int gd_y1 = gd->src_y;
6689     int gd_x2 = gd->src_x + gd->active_xoffset;
6690     int gd_y2 = gd->src_y + gd->active_yoffset;
6691     struct GadgetInfo *gi;
6692     unsigned int event_mask;
6693     char infotext[MAX_OUTPUT_LINESIZE + 1];
6694     int id = textinput_info[i].gadget_id;
6695     int x, y;
6696
6697     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6698     {
6699       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6700       int border_size = gd->border_size;
6701       int font_nr = FONT_INPUT_1;
6702       int font_height = getFontHeight(font_nr);
6703       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6704       int yoffset = element_border + (TILEY - font_height) / 2;
6705
6706       x = (editor.settings.element_name.x != -1 ?
6707            editor.settings.element_name.x :
6708            editor.settings.element_graphic.x + xoffset) - border_size;
6709       y = (editor.settings.element_name.y != -1 ?
6710            editor.settings.element_name.y :
6711            editor.settings.element_graphic.y + yoffset) - border_size;
6712     }
6713     else
6714     {
6715       x = ED_SETTINGS_X(textinput_info[i].x);
6716       y = ED_SETTINGS_Y(textinput_info[i].y);
6717     }
6718
6719     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6720
6721     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6722     infotext[max_infotext_len] = '\0';
6723
6724     gi = CreateGadget(GDI_CUSTOM_ID, id,
6725                       GDI_CUSTOM_TYPE_ID, i,
6726                       GDI_INFO_TEXT, infotext,
6727                       GDI_X, SX + x,
6728                       GDI_Y, SY + y,
6729                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6730                       GDI_TEXT_VALUE, textinput_info[i].value,
6731                       GDI_TEXT_SIZE, textinput_info[i].size,
6732                       GDI_TEXT_FONT, FONT_INPUT_1,
6733                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6734                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6735                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6736                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6737                       GDI_DESIGN_WIDTH, gd->width,
6738                       GDI_EVENT_MASK, event_mask,
6739                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6740                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6741                       GDI_END);
6742
6743     if (gi == NULL)
6744       Fail("cannot create gadget");
6745
6746     level_editor_gadget[id] = gi;
6747   }
6748 }
6749
6750 static void CreateTextAreaGadgets(void)
6751 {
6752   int max_infotext_len = getMaxInfoTextLength();
6753   int i;
6754
6755   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6756   {
6757     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6758     int gd_x1 = gd->src_x;
6759     int gd_y1 = gd->src_y;
6760     int gd_x2 = gd->src_x + gd->active_xoffset;
6761     int gd_y2 = gd->src_y + gd->active_yoffset;
6762     struct GadgetInfo *gi;
6763     unsigned int event_mask;
6764     char infotext[MAX_OUTPUT_LINESIZE + 1];
6765     int id = textarea_info[i].gadget_id;
6766     int area_xsize = textarea_info[i].xsize;
6767     int area_ysize = textarea_info[i].ysize;
6768
6769     event_mask = GD_EVENT_TEXT_LEAVING;
6770
6771     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6772     infotext[max_infotext_len] = '\0';
6773
6774     gi = CreateGadget(GDI_CUSTOM_ID, id,
6775                       GDI_CUSTOM_TYPE_ID, i,
6776                       GDI_INFO_TEXT, infotext,
6777                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6778                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6779                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6780                       GDI_AREA_SIZE, area_xsize, area_ysize,
6781                       GDI_TEXT_FONT, FONT_INPUT_1,
6782                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6783                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6784                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6785                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6786                       GDI_DESIGN_WIDTH, gd->width,
6787                       GDI_EVENT_MASK, event_mask,
6788                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6789                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6790                       GDI_END);
6791
6792     if (gi == NULL)
6793       Fail("cannot create gadget");
6794
6795     level_editor_gadget[id] = gi;
6796   }
6797 }
6798
6799 static void CreateSelectboxGadgets(void)
6800 {
6801   int max_infotext_len = getMaxInfoTextLength();
6802   int i, j;
6803
6804   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6805   {
6806     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6807     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6808     int gd_x1 = gd->src_x;
6809     int gd_y1 = gd->src_y;
6810     int gd_x2 = gd->src_x + gd->active_xoffset;
6811     int gd_y2 = gd->src_y + gd->active_yoffset;
6812     int selectbox_button_xsize = gd2->width;
6813     struct GadgetInfo *gi;
6814     unsigned int event_mask;
6815     char infotext[MAX_OUTPUT_LINESIZE + 1];
6816     int id = selectbox_info[i].gadget_id;
6817     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6818     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6819
6820     if (selectbox_info[i].size == -1)   // dynamically determine size
6821     {
6822       // (we cannot use -1 for uninitialized values if we directly compare
6823       // with results from strlen(), because the '<' and '>' operation will
6824       // implicitely cast -1 to an unsigned integer value!)
6825       selectbox_info[i].size = 0;
6826
6827       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6828         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6829           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6830
6831       selectbox_info[i].size++;         // add one character empty space
6832     }
6833
6834     event_mask = GD_EVENT_RELEASED |
6835       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6836
6837     // determine horizontal position to the right of specified gadget
6838     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6839       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6840            ED_GADGET_TEXT_DISTANCE);
6841
6842     // determine horizontal offset for leading text
6843     if (selectbox_info[i].text_left != NULL)
6844       x += getTextWidthForGadget(selectbox_info[i].text_left);
6845
6846     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6847     infotext[max_infotext_len] = '\0';
6848
6849     gi = CreateGadget(GDI_CUSTOM_ID, id,
6850                       GDI_CUSTOM_TYPE_ID, i,
6851                       GDI_INFO_TEXT, infotext,
6852                       GDI_X, x,
6853                       GDI_Y, y,
6854                       GDI_TYPE, GD_TYPE_SELECTBOX,
6855                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6856                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6857                       GDI_TEXT_SIZE, selectbox_info[i].size,
6858                       GDI_TEXT_FONT, FONT_INPUT_1,
6859                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6860                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6861                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6862                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6863                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6864                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6865                       GDI_DESIGN_WIDTH, gd->width,
6866                       GDI_EVENT_MASK, event_mask,
6867                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6868                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6869                       GDI_END);
6870
6871     if (gi == NULL)
6872       Fail("cannot create gadget");
6873
6874     level_editor_gadget[id] = gi;
6875     right_gadget_border[id] =
6876       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6877   }
6878 }
6879
6880 static void CreateTextbuttonGadgets(void)
6881 {
6882   int max_infotext_len = getMaxInfoTextLength();
6883   int i;
6884
6885   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6886   {
6887     int id = textbutton_info[i].gadget_id;
6888     int is_tab_button =
6889       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6890        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6891     int graphic =
6892       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6893     int gadget_distance =
6894       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6895     struct GraphicInfo *gd = &graphic_info[graphic];
6896     int gd_x1 = gd->src_x;
6897     int gd_y1 = gd->src_y;
6898     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6899     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6900     int gd_x1a = gd->src_x + gd->active_xoffset;
6901     int gd_y1a = gd->src_y + gd->active_yoffset;
6902     int border_xsize = gd->border_size + gd->draw_xoffset;
6903     int border_ysize = gd->border_size;
6904     struct GadgetInfo *gi;
6905     unsigned int event_mask;
6906     char infotext[MAX_OUTPUT_LINESIZE + 1];
6907     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6908     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6909
6910     if (textbutton_info[i].size == -1)  // dynamically determine size
6911       textbutton_info[i].size = strlen(textbutton_info[i].text);
6912
6913     event_mask = GD_EVENT_RELEASED;
6914
6915     sprintf(infotext, "%s", textbutton_info[i].infotext);
6916     infotext[max_infotext_len] = '\0';
6917
6918     // determine horizontal position to the right of specified gadget
6919     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6920     {
6921       int gadget_id_align = textbutton_info[i].gadget_id_align;
6922
6923       x = right_gadget_border[gadget_id_align] + gadget_distance;
6924
6925       if (textbutton_info[i].y == -1)
6926         y = level_editor_gadget[gadget_id_align]->y;
6927     }
6928
6929     // determine horizontal offset for leading text
6930     if (textbutton_info[i].text_left != NULL)
6931       x += getTextWidthForGadget(textbutton_info[i].text_left);
6932
6933     gi = CreateGadget(GDI_CUSTOM_ID, id,
6934                       GDI_CUSTOM_TYPE_ID, i,
6935                       GDI_IMAGE_ID, graphic,
6936                       GDI_INFO_TEXT, infotext,
6937                       GDI_X, x,
6938                       GDI_Y, y,
6939                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6940                       GDI_TEXT_VALUE, textbutton_info[i].text,
6941                       GDI_TEXT_SIZE, textbutton_info[i].size,
6942                       GDI_TEXT_FONT, FONT_INPUT_2,
6943                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6944                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6945                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6946                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6947                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6948                       GDI_DESIGN_WIDTH, gd->width,
6949                       GDI_DECORATION_SHIFTING, 1, 1,
6950                       GDI_EVENT_MASK, event_mask,
6951                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6952                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6953                       GDI_END);
6954
6955     if (gi == NULL)
6956       Fail("cannot create gadget");
6957
6958     level_editor_gadget[id] = gi;
6959     right_gadget_border[id] =
6960       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6961   }
6962 }
6963
6964 static void CreateGraphicbuttonGadgets(void)
6965 {
6966   struct GadgetInfo *gi;
6967   unsigned int event_mask;
6968   int i;
6969
6970   // create buttons for scrolling of drawing area and element list
6971   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6972   {
6973     int id = graphicbutton_info[i].gadget_id;
6974     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6975     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6976     int graphic = graphicbutton_info[i].graphic;
6977     struct GraphicInfo *gd = &graphic_info[graphic];
6978     int gd_x1 = gd->src_x;
6979     int gd_y1 = gd->src_y;
6980     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6981     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6982
6983     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6984
6985     // determine horizontal position to the right of specified gadget
6986     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6987       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6988            ED_GADGET_TEXT_DISTANCE);
6989
6990     // determine horizontal offset for leading text
6991     if (graphicbutton_info[i].text_left != NULL)
6992       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6993
6994     gi = CreateGadget(GDI_CUSTOM_ID, id,
6995                       GDI_CUSTOM_TYPE_ID, i,
6996                       GDI_IMAGE_ID, graphic,
6997                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6998                       GDI_X, x,
6999                       GDI_Y, y,
7000                       GDI_WIDTH, gd->width,
7001                       GDI_HEIGHT, gd->height,
7002                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7003                       GDI_STATE, GD_BUTTON_UNPRESSED,
7004                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7005                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7006                       GDI_EVENT_MASK, event_mask,
7007                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7008                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
7009                       GDI_END);
7010
7011     if (gi == NULL)
7012       Fail("cannot create gadget");
7013
7014     level_editor_gadget[id] = gi;
7015     right_gadget_border[id] =
7016       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
7017   }
7018 }
7019
7020 static void CreateScrollbarGadgets(void)
7021 {
7022   int i;
7023
7024   // these values are not constant, but can change at runtime
7025   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
7026     SX + ED_SCROLL_HORIZONTAL_XPOS;
7027   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
7028     SY + ED_SCROLL_HORIZONTAL_YPOS;
7029   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
7030     ED_SCROLL_HORIZONTAL_XSIZE;
7031   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
7032     ED_SCROLL_HORIZONTAL_YSIZE;
7033   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
7034   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
7035   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
7036   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
7037
7038   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
7039     SX + ED_SCROLL_VERTICAL_XPOS;
7040   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
7041     SY + ED_SCROLL_VERTICAL_YPOS;
7042   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
7043     ED_SCROLL_VERTICAL_XSIZE;
7044   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
7045     ED_SCROLL_VERTICAL_YSIZE;
7046   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
7047   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
7048   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
7049   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
7050
7051   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
7052     PX + ED_SCROLL2_VERTICAL_XPOS;
7053   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
7054     PY + ED_SCROLL2_VERTICAL_YPOS;
7055   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
7056     ED_SCROLL2_VERTICAL_XSIZE;
7057   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
7058     ED_SCROLL2_VERTICAL_YSIZE;
7059   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
7060   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
7061   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
7062   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
7063
7064   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
7065   {
7066     int id = scrollbar_info[i].gadget_id;
7067     int graphic = scrollbar_info[i].graphic;
7068     struct GraphicInfo *gd = &graphic_info[graphic];
7069     int gd_x1 = gd->src_x;
7070     int gd_y1 = gd->src_y;
7071     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7072     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7073     struct GadgetInfo *gi;
7074     int items_max, items_visible, item_position;
7075     unsigned int event_mask;
7076
7077     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
7078     {
7079       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7080       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7081       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7082     }
7083     else        // drawing area scrollbars
7084     {
7085       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
7086       {
7087         items_max = MAX(lev_fieldx + 2, ed_fieldx);
7088         items_visible = ed_fieldx;
7089         item_position = 0;
7090       }
7091       else
7092       {
7093         items_max = MAX(lev_fieldy + 2, ed_fieldy);
7094         items_visible = ed_fieldy;
7095         item_position = 0;
7096       }
7097     }
7098
7099     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
7100
7101     gi = CreateGadget(GDI_CUSTOM_ID, id,
7102                       GDI_CUSTOM_TYPE_ID, i,
7103                       GDI_IMAGE_ID, graphic,
7104                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
7105                       GDI_X, scrollbar_pos[i].x,
7106                       GDI_Y, scrollbar_pos[i].y,
7107                       GDI_WIDTH, scrollbar_pos[i].width,
7108                       GDI_HEIGHT, scrollbar_pos[i].height,
7109                       GDI_TYPE, scrollbar_info[i].type,
7110                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
7111                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7112                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
7113                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
7114                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
7115                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
7116                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
7117                       GDI_STATE, GD_BUTTON_UNPRESSED,
7118                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7119                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7120                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7121                       GDI_EVENT_MASK, event_mask,
7122                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7123                       GDI_CALLBACK_ACTION, HandleControlButtons,
7124                       GDI_END);
7125
7126     if (gi == NULL)
7127       Fail("cannot create gadget");
7128
7129     level_editor_gadget[id] = gi;
7130   }
7131 }
7132
7133 static void CreateCheckbuttonGadgets(void)
7134 {
7135   struct GadgetInfo *gi;
7136   unsigned int event_mask;
7137   int i;
7138
7139   event_mask = GD_EVENT_PRESSED;
7140
7141   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7142   {
7143     int id = checkbutton_info[i].gadget_id;
7144     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7145                    IMG_EDITOR_CHECKBOX);
7146     struct GraphicInfo *gd = &graphic_info[graphic];
7147     int gd_x1 = gd->src_x;
7148     int gd_y1 = gd->src_y;
7149     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7150     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7151     int gd_x1a = gd->src_x + gd->active_xoffset;
7152     int gd_y1a = gd->src_y + gd->active_yoffset;
7153     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7154     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7155     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7156     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7157
7158     // determine horizontal position to the right of specified gadget
7159     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7160       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7161            ED_GADGET_TEXT_DISTANCE);
7162
7163     // determine horizontal offset for leading text
7164     if (checkbutton_info[i].text_left != NULL)
7165       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7166
7167     gi = CreateGadget(GDI_CUSTOM_ID, id,
7168                       GDI_CUSTOM_TYPE_ID, i,
7169                       GDI_IMAGE_ID, graphic,
7170                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7171                       GDI_X, x,
7172                       GDI_Y, y,
7173                       GDI_WIDTH, gd->width,
7174                       GDI_HEIGHT, gd->height,
7175                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7176                       GDI_CHECKED, *checkbutton_info[i].value,
7177                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7178                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7179                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7180                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7181                       GDI_EVENT_MASK, event_mask,
7182                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7183                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7184                       GDI_END);
7185
7186     if (gi == NULL)
7187       Fail("cannot create gadget");
7188
7189     level_editor_gadget[id] = gi;
7190     right_gadget_border[id] =
7191       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7192   }
7193 }
7194
7195 static void CreateRadiobuttonGadgets(void)
7196 {
7197   int graphic = IMG_EDITOR_RADIOBUTTON;
7198   struct GraphicInfo *gd = &graphic_info[graphic];
7199   int gd_x1 = gd->src_x;
7200   int gd_y1 = gd->src_y;
7201   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7202   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7203   int gd_x1a = gd->src_x + gd->active_xoffset;
7204   int gd_y1a = gd->src_y + gd->active_yoffset;
7205   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7206   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7207   struct GadgetInfo *gi;
7208   unsigned int event_mask;
7209   int i;
7210
7211   event_mask = GD_EVENT_PRESSED;
7212
7213   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7214   {
7215     int id = radiobutton_info[i].gadget_id;
7216     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7217     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7218
7219     int checked =
7220       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7221
7222     // determine horizontal position to the right of specified gadget
7223     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7224       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7225            ED_GADGET_TEXT_DISTANCE);
7226
7227     // determine horizontal offset for leading text
7228     if (radiobutton_info[i].text_left != NULL)
7229       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7230
7231     gi = CreateGadget(GDI_CUSTOM_ID, id,
7232                       GDI_CUSTOM_TYPE_ID, i,
7233                       GDI_IMAGE_ID, graphic,
7234                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7235                       GDI_X, x,
7236                       GDI_Y, y,
7237                       GDI_WIDTH, gd->width,
7238                       GDI_HEIGHT, gd->height,
7239                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7240                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7241                       GDI_CHECKED, checked,
7242                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7243                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7244                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7245                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7246                       GDI_EVENT_MASK, event_mask,
7247                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7248                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7249                       GDI_END);
7250
7251     if (gi == NULL)
7252       Fail("cannot create gadget");
7253
7254     level_editor_gadget[id] = gi;
7255     right_gadget_border[id] =
7256       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7257   }
7258 }
7259
7260 void CreateLevelEditorGadgets(void)
7261 {
7262   // force EDITOR font inside level editor
7263   SetFontStatus(GAME_MODE_EDITOR);
7264
7265   // these values are not constant, but can change at runtime
7266   ed_fieldx = MAX_ED_FIELDX - 1;
7267   ed_fieldy = MAX_ED_FIELDY - 1;
7268
7269   num_editor_gadgets = NUM_EDITOR_GADGETS;
7270
7271   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
7272
7273   level_editor_gadget =
7274     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7275   right_gadget_border =
7276     checked_calloc(num_editor_gadgets * sizeof(int));
7277
7278   // set number of empty (padding) element buttons to maximum number of buttons
7279   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
7280
7281   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
7282   editor_el_empty_ptr = editor_el_empty;
7283
7284   use_permanent_palette = !editor.palette.show_as_separate_screen;
7285
7286   ReinitializeElementList();
7287
7288   CreateControlButtons();
7289   CreateScrollbarGadgets();
7290
7291   // order of function calls is important because of cross-references
7292   CreateCheckbuttonGadgets();
7293   CreateCounterButtons();
7294   CreateRadiobuttonGadgets();
7295   CreateTextInputGadgets();
7296   CreateTextAreaGadgets();
7297   CreateSelectboxGadgets();
7298   CreateGraphicbuttonGadgets();
7299   CreateTextbuttonGadgets();
7300   CreateDrawingAreas();
7301
7302   ResetFontStatus();
7303 }
7304
7305 void FreeLevelEditorGadgets(void)
7306 {
7307   int i;
7308
7309   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
7310
7311   for (i = 0; i < num_editor_gadgets; i++)
7312   {
7313     FreeGadget(level_editor_gadget[i]);
7314
7315     level_editor_gadget[i] = NULL;
7316   }
7317
7318   checked_free(level_editor_gadget);
7319   checked_free(right_gadget_border);
7320
7321   checked_free(editor_el_empty);
7322 }
7323
7324 static void MapCounterButtons(int id)
7325 {
7326   int font_nr = FONT_TEXT_1;
7327   int font_height = getFontHeight(font_nr);
7328   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7329   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7330   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7331   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7332   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7333   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7334   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7335   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7336   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7337   int yoffset = (gi_down->height - font_height) / 2;
7338   int x_left = gi_down->x - xoffset_left;
7339   int x_right;  // set after gadget position was modified
7340   int y_above = gi_down->y - yoffset_above;
7341   int x = gi_down->x;
7342   int y;        // set after gadget position was modified
7343
7344   // counter limits must be changed first to prevent value truncation
7345   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7346                             counterbutton_info[id].max_value);
7347
7348   // right text position might have changed after setting position above
7349   x_right = gi_up->x + gi_up->width + xoffset_right;
7350
7351   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7352
7353   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7354   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7355       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7356   {
7357     ModifyGadget(gi_down, GDI_Y,
7358                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7359     ModifyGadget(gi_text, GDI_Y,
7360                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7361     ModifyGadget(gi_up,   GDI_Y,
7362                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7363   }
7364
7365   // vertical position might have changed after setting position above
7366   y = gi_up->y + yoffset;
7367
7368   if (counterbutton_info[id].text_above)
7369     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7370
7371   if (counterbutton_info[id].text_left)
7372     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7373
7374   if (counterbutton_info[id].text_right)
7375     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7376
7377   MapGadget(gi_down);
7378   MapGadget(gi_text);
7379   MapGadget(gi_up);
7380 }
7381
7382 static void MapControlButtons(void)
7383 {
7384   int counter_id;
7385   int i;
7386
7387   // map toolbox buttons (excluding special CE toolbox buttons)
7388   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7389     MapGadget(level_editor_gadget[i]);
7390
7391   // map toolbox buttons (element properties buttons)
7392   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7393     MapGadget(level_editor_gadget[i]);
7394
7395   if (use_permanent_palette)
7396   {
7397     // map buttons to select elements
7398     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7399       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7400     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7401     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7402     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7403   }
7404
7405   // map buttons to select level
7406   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7407   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7408   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7409   MapCounterButtons(counter_id);
7410 }
7411
7412 static void MapDrawingArea(int id)
7413 {
7414   int font_nr = FONT_TEXT_1;
7415   int font_height = getFontHeight(font_nr);
7416   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7417   int area_xsize = gi->drawing.area_xsize;
7418   int area_ysize = gi->drawing.area_ysize;
7419   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7420   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7421   int x_left  = gi->x - xoffset_left;
7422   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7423   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
7424   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7425   int y_side  = gi->y + (gi->height - font_height) / 2;
7426   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
7427   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7428
7429   if (drawingarea_info[id].text_left)
7430     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7431
7432   if (drawingarea_info[id].text_right)
7433     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7434
7435   if (drawingarea_info[id].text_above)
7436     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
7437
7438   if (drawingarea_info[id].text_below)
7439     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7440
7441   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7442   {
7443     DrawElementBorder(gi->x, gi->y,
7444                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7445                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7446
7447     DrawDrawingArea(id);
7448   }
7449
7450   MapGadget(gi);
7451 }
7452
7453 static void MapTextInputGadget(int id)
7454 {
7455   int font_nr = FONT_TEXT_1;
7456   int font_height = getFontHeight(font_nr);
7457   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7458   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7459   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7460   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7461
7462   if (textinput_info[id].text_above)
7463     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7464
7465   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7466
7467   MapGadget(gi);
7468 }
7469
7470 static void MapTextAreaGadget(int id)
7471 {
7472   int font_nr = FONT_TEXT_1;
7473   int font_height = getFontHeight(font_nr);
7474   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7475   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7476   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7477   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7478
7479   if (textarea_info[id].text_above)
7480     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7481
7482   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7483
7484   MapGadget(gi);
7485 }
7486
7487 static void MapSelectboxGadget(int id)
7488 {
7489   int font_nr = FONT_TEXT_1;
7490   int font_height = getFontHeight(font_nr);
7491   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7492   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7493   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7494   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7495   int yoffset = (gi->height - font_height) / 2;
7496   int x_left = gi->x - xoffset_left;
7497   int x_right = gi->x + gi->width + xoffset_right;
7498   int y_above = gi->y - yoffset_above;
7499   int x = gi->x;
7500   int y = gi->y + yoffset;
7501
7502   if (selectbox_info[id].text_above)
7503     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7504
7505   if (selectbox_info[id].text_left)
7506     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7507
7508   if (selectbox_info[id].text_right)
7509     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7510
7511   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7512
7513   MapGadget(gi);
7514 }
7515
7516 static void MapTextbuttonGadget(int id)
7517 {
7518   int font_nr = FONT_TEXT_1;
7519   int font_height = getFontHeight(font_nr);
7520   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7521   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7522   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7523   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7524   int yoffset = (gi->height - font_height) / 2;
7525   int x_left = gi->x - xoffset_left;
7526   int x_right = gi->x + gi->width + xoffset_right;
7527   int y_above = gi->y - yoffset_above;
7528   int x = gi->x;
7529   int y = gi->y + yoffset;
7530
7531   // only show button to delete change pages when more than minimum pages
7532   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7533       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7534     return;
7535
7536   if (textbutton_info[id].text_above)
7537     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7538
7539   if (textbutton_info[id].text_left)
7540     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7541
7542   if (textbutton_info[id].text_right)
7543     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7544
7545   MapGadget(gi);
7546 }
7547
7548 static void MapGraphicbuttonGadget(int id)
7549 {
7550   int font_nr = FONT_TEXT_1;
7551   int font_height = getFontHeight(font_nr);
7552   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7553   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7554   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7555   int yoffset = (gi->height - font_height) / 2;
7556   int x_left = gi->x - xoffset_left;
7557   int x_right = gi->x + gi->width + xoffset_right;
7558   int y = gi->y + yoffset;
7559
7560   if (graphicbutton_info[id].text_left)
7561     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7562
7563   if (graphicbutton_info[id].text_right)
7564     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7565
7566   MapGadget(gi);
7567 }
7568
7569 static void MapRadiobuttonGadget(int id)
7570 {
7571   int font_nr = FONT_TEXT_1;
7572   int font_height = getFontHeight(font_nr);
7573   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7574   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7575   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7576   int yoffset = (gi->height - font_height) / 2;
7577   int x_left = gi->x - xoffset_left;
7578   int x_right = gi->x + gi->width + xoffset_right;
7579   int y = gi->y + yoffset;
7580   boolean checked =
7581     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7582
7583   if (radiobutton_info[id].text_left)
7584     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7585
7586   if (radiobutton_info[id].text_right)
7587     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7588
7589   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7590
7591   MapGadget(gi);
7592 }
7593
7594 static void MapCheckbuttonGadget(int id)
7595 {
7596   int font_nr = FONT_TEXT_1;
7597   int font_height = getFontHeight(font_nr);
7598   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7599   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7600   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7601   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7602   int yoffset = (gi->height - font_height) / 2;
7603   int y_above = gi->y - yoffset_above;
7604   int x = gi->x;
7605   int x_left, x_right, y;       // set after gadget position was modified
7606
7607   // set position for gadgets with dynamically determined position
7608   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
7609     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7610   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7611
7612   x_left = gi->x - xoffset_left;
7613   x_right = gi->x + gi->width + xoffset_right;
7614   y = gi->y + yoffset;
7615
7616   if (checkbutton_info[id].text_above)
7617     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7618
7619   if (checkbutton_info[id].text_left)
7620     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7621
7622   if (checkbutton_info[id].text_right)
7623     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7624
7625   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7626
7627   MapGadget(gi);
7628 }
7629
7630 static void MapMainDrawingArea(void)
7631 {
7632   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7633   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7634   int i;
7635
7636   if (suppressBorderElement())
7637   {
7638     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7639     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7640   }
7641
7642   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7643   {
7644     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7645           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7646          no_horizontal_scrollbar) ||
7647         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7648           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7649          no_vertical_scrollbar))
7650       continue;
7651
7652     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7653   }
7654
7655   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7656   {
7657     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7658         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7659       continue;
7660
7661     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7662   }
7663
7664   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7665 }
7666
7667 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7668 {
7669   int i;
7670
7671   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7672   {
7673     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7674         i == GADGET_ID_CUSTOM_COPY_TO ||
7675         i == GADGET_ID_CUSTOM_EXCHANGE ||
7676         i == GADGET_ID_CUSTOM_COPY ||
7677         i == GADGET_ID_CUSTOM_PASTE)
7678     {
7679       if (map)
7680         MapGadget(level_editor_gadget[i]);
7681       else
7682         UnmapGadget(level_editor_gadget[i]);
7683     }
7684   }
7685 }
7686
7687 static void MapLevelEditorToolboxCustomGadgets(void)
7688 {
7689   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7690 }
7691
7692 static void UnmapLevelEditorToolboxCustomGadgets(void)
7693 {
7694   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7695 }
7696
7697 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7698 {
7699   int i;
7700
7701   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7702   {
7703     if (i != GADGET_ID_SINGLE_ITEMS &&
7704         i != GADGET_ID_PICK_ELEMENT)
7705     {
7706       struct GadgetInfo *gi = level_editor_gadget[i];
7707
7708       if (map)
7709       {
7710         MapGadget(gi);
7711       }
7712       else
7713       {
7714         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7715         struct GraphicInfo *gd = &graphic_info[graphic];
7716
7717         UnmapGadget(gi);
7718
7719         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7720                    gi->width, gi->height, gi->x, gi->y);
7721
7722         redraw_mask |= REDRAW_DOOR_3;
7723       }
7724     }
7725   }
7726 }
7727
7728 static void MapLevelEditorToolboxDrawingGadgets(void)
7729 {
7730   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7731 }
7732
7733 static void UnmapLevelEditorToolboxDrawingGadgets(void)
7734 {
7735   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7736 }
7737
7738 static void UnmapDrawingArea(int id)
7739 {
7740   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7741 }
7742
7743 static void UnmapLevelEditorFieldGadgets(void)
7744 {
7745   int i;
7746
7747   for (i = 0; i < num_editor_gadgets; i++)
7748     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7749                           level_editor_gadget[i]->y))
7750       UnmapGadget(level_editor_gadget[i]);
7751 }
7752
7753 void UnmapLevelEditorGadgets(void)
7754 {
7755   int i;
7756
7757   for (i = 0; i < num_editor_gadgets; i++)
7758     UnmapGadget(level_editor_gadget[i]);
7759 }
7760
7761 static void ResetUndoBuffer(void)
7762 {
7763   undo_buffer_position = -1;
7764   undo_buffer_steps = -1;
7765   redo_buffer_steps = 0;
7766
7767   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7768
7769   level.changed = FALSE;
7770 }
7771
7772 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
7773 {
7774   if (remap_toolbox_gadgets)
7775   {
7776     ModifyEditorElementList();
7777     RedrawDrawingElements();
7778   }
7779
7780   if (edit_mode == ED_MODE_INFO)
7781     DrawLevelInfoWindow();
7782   else if (edit_mode == ED_MODE_PROPERTIES)
7783     DrawPropertiesWindow();
7784   else if (edit_mode == ED_MODE_PALETTE)
7785     DrawPaletteWindow();
7786   else  // edit_mode == ED_MODE_DRAWING
7787     DrawDrawingWindowExt(remap_toolbox_gadgets);
7788 }
7789
7790 static void DrawEditModeWindow(void)
7791 {
7792   DrawEditModeWindowExt(TRUE);
7793 }
7794
7795 static void DrawEditModeWindow_PlayfieldOnly(void)
7796 {
7797   DrawEditModeWindowExt(FALSE);
7798 }
7799
7800 static void ChangeEditModeWindow(int new_edit_mode)
7801 {
7802   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7803
7804   DrawEditModeWindow();
7805 }
7806
7807 static boolean LevelChanged(void)
7808 {
7809   boolean field_changed = FALSE;
7810   int x, y;
7811
7812   for (y = 0; y < lev_fieldy; y++)
7813     for (x = 0; x < lev_fieldx; x++)
7814       if (Tile[x][y] != level.field[x][y])
7815         field_changed = TRUE;
7816
7817   return (level.changed || field_changed);
7818 }
7819
7820 static boolean PrepareSavingIntoPersonalLevelSet(void)
7821 {
7822   static LevelDirTree *last_copied_leveldir = NULL;
7823   static LevelDirTree *last_written_leveldir = NULL;
7824   static int last_copied_level_nr = -1;
7825   static int last_written_level_nr = -1;
7826   LevelDirTree *leveldir_former = leveldir_current;
7827   int level_nr_former = level_nr;
7828   int new_level_nr;
7829
7830   // remember last mod/save so that for current session, we write
7831   // back to the same personal copy, asking only about overwrite.
7832   if (leveldir_current == last_copied_leveldir &&
7833       level_nr == last_copied_level_nr)
7834   {
7835     // "cd" to personal level set dir (as used when writing last copy)
7836     leveldir_current = last_written_leveldir;
7837     level_nr = last_written_level_nr;
7838
7839     return TRUE;
7840   }
7841
7842   if (!Request("This level is read-only! "
7843                "Save into personal level set?", REQ_ASK))
7844     return FALSE;
7845
7846   // "cd" to personal level set dir (for writing copy the first time)
7847   leveldir_current =
7848     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7849
7850   // this may happen if "setup.internal.create_user_levelset" is FALSE
7851   // or if file "levelinfo.conf" is missing in personal user level set
7852   if (leveldir_current == NULL)
7853   {
7854     Request("Cannot find personal level set?!", REQ_CONFIRM);
7855
7856     leveldir_current = leveldir_former;
7857
7858     return FALSE;
7859   }
7860
7861   // find unused level number
7862   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7863   {
7864     static char *level_filename = NULL;
7865
7866     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7867
7868     if (!fileExists(level_filename))
7869       break;
7870   }
7871
7872   last_copied_leveldir = leveldir_former;
7873   last_copied_level_nr = level_nr_former;
7874
7875   last_written_leveldir = leveldir_current;
7876   last_written_level_nr = level_nr = new_level_nr;
7877
7878   return TRUE;
7879 }
7880
7881 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7882 {
7883   static char *filename_levelinfo = NULL, *mod_name = NULL;
7884   FILE *file;
7885
7886   // annotate this copy-and-mod in personal levelinfo.conf
7887   setString(&filename_levelinfo,
7888             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7889
7890   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7891   {
7892     fprintf(file, "\n");
7893     fprintf(file, "# level %d was modified from:\n", level_nr);
7894     fprintf(file, "# - previous level set name:    %s\n",
7895             former_name);
7896     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7897             level.file_info.nr, level.name);
7898     fprintf(file, "# - previous author:            %s\n",
7899             level.author);
7900     fprintf(file, "# - previous save date:         ");
7901
7902     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7903     {
7904       fprintf(file, "%04d-%02d-%02d\n",
7905               level.creation_date.year,
7906               level.creation_date.month,
7907               level.creation_date.day);
7908     }
7909     else
7910     {
7911       fprintf(file, "not recorded\n");
7912     }
7913
7914     fclose(file);
7915   }
7916
7917   if (level_nr > leveldir_current->last_level)
7918     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7919
7920   // else: allow the save even if annotation failed
7921
7922   // now... spray graffiti on the old level vital statistics
7923   // user can change these; just trying to set a good baseline
7924
7925   // don't truncate names for fear of making offensive or silly:
7926   // long-named original author only recorded in levelinfo.conf.
7927   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7928   if (!strEqual(level.author, leveldir_current->author))
7929   {
7930     setString(&mod_name, getStringCat3(leveldir_current->author,
7931                                        " after ", level.author));
7932
7933     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7934       setString(&mod_name,
7935                 getStringCat2(leveldir_current->author, " (ed.)"));
7936
7937     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7938       setString(&mod_name, leveldir_current->author);
7939
7940     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7941
7942     // less worried about truncation here
7943     setString(&mod_name, getStringCat2("Mod: ", level.name));
7944     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7945   }
7946 }
7947
7948 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7949                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7950 {
7951   int x, y;
7952
7953   for (x = 0; x < lev_fieldx; x++)
7954     for (y = 0; y < lev_fieldy; y++)
7955       dst[x][y] = src[x][y];
7956 }
7957
7958 static int setSelectboxValue(int selectbox_id, int new_value)
7959 {
7960   int new_index_value = 0;
7961   int i;
7962
7963   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7964     if (selectbox_info[selectbox_id].options[i].value == new_value)
7965       new_index_value = i;
7966
7967   *selectbox_info[selectbox_id].value =
7968     selectbox_info[selectbox_id].options[new_index_value].value;
7969
7970   return new_index_value;
7971 }
7972
7973 static void setSelectboxSpecialActionVariablesIfNeeded(void)
7974 {
7975   int i;
7976
7977   // change action mode and arg variables according to action type variable
7978   for (i = 0; action_arg_options[i].value != -1; i++)
7979   {
7980     if (action_arg_options[i].value == custom_element_change.action_type)
7981     {
7982       int mode = action_arg_options[i].mode;
7983
7984       // only change if corresponding selectbox has changed
7985       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7986           action_arg_modes[mode])
7987         custom_element_change.action_mode = -1;
7988
7989       // only change if corresponding selectbox has changed
7990       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7991           action_arg_options[i].options)
7992         custom_element_change.action_arg = -1;
7993
7994       break;
7995     }
7996   }
7997 }
7998
7999 static void setSelectboxSpecialActionOptions(void)
8000 {
8001   int i;
8002
8003   // change action mode and arg selectbox according to action type selectbox
8004   for (i = 0; action_arg_options[i].value != -1; i++)
8005   {
8006     if (action_arg_options[i].value == custom_element_change.action_type)
8007     {
8008       int mode = action_arg_options[i].mode;
8009
8010       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
8011                                    action_arg_modes[mode]);
8012       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
8013                                  custom_element_change.action_mode);
8014
8015       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
8016                                    action_arg_options[i].options);
8017       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
8018                                  custom_element_change.action_arg);
8019       break;
8020     }
8021   }
8022 }
8023
8024 static void copy_custom_element_settings(int element_from, int element_to)
8025 {
8026   struct ElementInfo *ei_from = &element_info[element_from];
8027   struct ElementInfo *ei_to = &element_info[element_to];
8028
8029   copyElementInfo(ei_from, ei_to);
8030 }
8031
8032 static void replace_custom_element_in_settings(int element_from,
8033                                                int element_to)
8034 {
8035   int i, j, x, y;
8036
8037   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8038   {
8039     struct ElementInfo *ei = &element_info[i];
8040
8041     for (y = 0; y < 3; y++)
8042       for (x = 0; x < 3; x++)
8043         if (ei->content.e[x][y] == element_from)
8044           ei->content.e[x][y] = element_to;
8045
8046     for (j = 0; j < ei->num_change_pages; j++)
8047     {
8048       struct ElementChangeInfo *change = &ei->change_page[j];
8049
8050       if (change->target_element == element_from)
8051         change->target_element = element_to;
8052
8053       if (change->initial_trigger_element == element_from)
8054         change->initial_trigger_element = element_to;
8055
8056       if (change->action_element == element_from)
8057         change->action_element = element_to;
8058
8059       for (y = 0; y < 3; y++)
8060         for (x = 0; x < 3; x++)
8061           if (change->target_content.e[x][y] == element_from)
8062             change->target_content.e[x][y] = element_to;
8063     }
8064
8065     if (ei->group != NULL)                              // group or internal
8066       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
8067         if (ei->group->element[j] == element_from)
8068           ei->group->element[j] = element_to;
8069   }
8070 }
8071
8072 static void replace_custom_element_in_playfield(int element_from,
8073                                                 int element_to)
8074 {
8075   int x, y;
8076
8077   for (x = 0; x < lev_fieldx; x++)
8078     for (y = 0; y < lev_fieldy; y++)
8079       if (Tile[x][y] == element_from)
8080         Tile[x][y] = element_to;
8081 }
8082
8083 static boolean CopyCustomElement(int element_old, int element_new,
8084                                  int copy_mode)
8085 {
8086   int copy_mode_orig = copy_mode;
8087
8088   if (copy_mode == GADGET_ID_CUSTOM_COPY)
8089   {
8090     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
8091                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8092     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8093   }
8094   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
8095   {
8096     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
8097                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8098     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8099
8100     level.changed = TRUE;
8101   }
8102   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
8103   {
8104     Request("Please choose custom element!", REQ_CONFIRM);
8105
8106     return FALSE;
8107   }
8108   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
8109   {
8110     Request("Please choose group element!", REQ_CONFIRM);
8111
8112     return FALSE;
8113   }
8114   else
8115   {
8116     level.changed = TRUE;
8117   }
8118
8119   // when modifying custom/group element, ask for copying level template
8120   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
8121   {
8122     if (!AskToCopyAndModifyLevelTemplate())
8123       return FALSE;
8124   }
8125
8126   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8127   {
8128     copy_custom_element_settings(element_new, element_old);
8129   }
8130   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8131   {
8132     copy_custom_element_settings(element_old, element_new);
8133   }
8134   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8135   {
8136     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8137     copy_custom_element_settings(element_new, element_old);
8138     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8139
8140     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8141     replace_custom_element_in_settings(element_new, element_old);
8142     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8143
8144     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8145     replace_custom_element_in_playfield(element_new, element_old);
8146     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8147   }
8148
8149   UpdateCustomElementGraphicGadgets();
8150   DrawPropertiesWindow();
8151
8152   return TRUE;
8153 }
8154
8155 static void CopyCustomElementPropertiesToEditor(int element)
8156 {
8157   int i;
8158   int current_change_page = element_info[element].current_change_page;
8159
8160   // dynamically (re)build selectbox for selecting change page
8161   for (i = 0; i < element_info[element].num_change_pages; i++)
8162   {
8163     sprintf(options_change_page_strings[i], "%d", i + 1);
8164
8165     options_change_page[i].value = i;
8166     options_change_page[i].text = options_change_page_strings[i];
8167   }
8168
8169   options_change_page[i].value = -1;
8170   options_change_page[i].text = NULL;
8171
8172   // needed here to initialize combined element properties
8173   InitElementPropertiesEngine(level.game_version);
8174
8175   element_info[element].change =
8176     &element_info[element].change_page[current_change_page];
8177
8178   custom_element = element_info[element];
8179   custom_element_change = *element_info[element].change;
8180
8181   // needed to initially set selectbox options for special action options
8182   setSelectboxSpecialActionOptions();
8183
8184   // needed to initially set selectbox value variables to reliable defaults
8185   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8186     setSelectboxValue(i, *selectbox_info[i].value);
8187
8188   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8189     custom_element_properties[i] = HAS_PROPERTY(element, i);
8190
8191   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8192     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8193
8194   // ---------- element settings: configure (custom elements) -----------------
8195
8196   // set accessible layer selectbox help value
8197   custom_element.access_type =
8198     (IS_WALKABLE(element) ? EP_WALKABLE :
8199      IS_PASSABLE(element) ? EP_PASSABLE :
8200      custom_element.access_type);
8201   custom_element.access_layer =
8202     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8203      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8204      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8205      custom_element.access_layer);
8206   custom_element.access_protected =
8207     (IS_PROTECTED(element) ? 1 : 0);
8208   custom_element_properties[EP_ACCESSIBLE] =
8209     (IS_ACCESSIBLE_OVER(element) ||
8210      IS_ACCESSIBLE_INSIDE(element) ||
8211      IS_ACCESSIBLE_UNDER(element));
8212
8213   // set walk-to-object action selectbox help value
8214   custom_element.walk_to_action =
8215     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8216      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8217      IS_DROPPABLE(element) ? EP_DROPPABLE :
8218      IS_THROWABLE(element) ? EP_THROWABLE :
8219      IS_PUSHABLE(element) ? EP_PUSHABLE :
8220      custom_element.walk_to_action);
8221   custom_element_properties[EP_WALK_TO_OBJECT] =
8222     (IS_DIGGABLE(element) ||
8223      IS_COLLECTIBLE_ONLY(element) ||
8224      IS_DROPPABLE(element) ||
8225      IS_THROWABLE(element) ||
8226      IS_PUSHABLE(element));
8227
8228   // set smash targets selectbox help value
8229   custom_element.smash_targets =
8230     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8231      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8232      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8233      custom_element.smash_targets);
8234   custom_element_properties[EP_CAN_SMASH] =
8235     (CAN_SMASH_EVERYTHING(element) ||
8236      CAN_SMASH_ENEMIES(element) ||
8237      CAN_SMASH_PLAYER(element));
8238
8239   // set deadliness selectbox help value
8240   custom_element.deadliness =
8241     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8242      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8243      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8244      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8245      custom_element.deadliness);
8246   custom_element_properties[EP_DEADLY] =
8247     (DONT_TOUCH(element) ||
8248      DONT_GET_HIT_BY(element) ||
8249      DONT_COLLIDE_WITH(element) ||
8250      DONT_RUN_INTO(element));
8251
8252   // ---------- element settings: advanced (custom elements) ------------------
8253
8254   // set "change by direct action" selectbox help value
8255   custom_element_change.direct_action =
8256     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
8257      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8258      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8259      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8260      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8261      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8262      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8263      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8264      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8265      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8266      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8267      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8268      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8269      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8270      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8271      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8272      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8273      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8274      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8275      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
8276      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
8277      custom_element_change.direct_action);
8278
8279   // set "change by other element action" selectbox help value
8280   custom_element_change.other_action =
8281     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
8282      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8283      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8284      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8285      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8286      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8287      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8288      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8289      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8290      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8291      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8292      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
8293      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8294      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8295      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8296      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8297      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8298      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8299      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8300      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8301      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8302      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8303      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8304      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8305      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8306      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
8307      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
8308      custom_element_change.other_action);
8309 }
8310
8311 static void CopyGroupElementPropertiesToEditor(int element)
8312 {
8313   group_element_info = *element_info[element].group;
8314   custom_element = element_info[element];       // needed for description
8315 }
8316
8317 static void CopyClassicElementPropertiesToEditor(int element)
8318 {
8319   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8320     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8321       getMoveIntoAcidProperty(&level, element);
8322
8323   if (MAYBE_DONT_COLLIDE_WITH(element))
8324     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8325       getDontCollideWithProperty(&level, element);
8326 }
8327
8328 static void CopyElementPropertiesToEditor(int element)
8329 {
8330   if (IS_CUSTOM_ELEMENT(element))
8331     CopyCustomElementPropertiesToEditor(element);
8332   else if (IS_GROUP_ELEMENT(element))
8333     CopyGroupElementPropertiesToEditor(element);
8334   else
8335     CopyClassicElementPropertiesToEditor(element);
8336 }
8337
8338 static boolean AskToCopyAndModifyLevelTemplate(void)
8339 {
8340   if (Request("Copy and modify settings from level template?", REQ_ASK))
8341   {
8342     level.use_custom_template = FALSE;
8343
8344     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8345                  GDI_CHECKED, FALSE, GDI_END);
8346     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8347                  GDI_CHECKED, FALSE, GDI_END);
8348
8349     return TRUE;
8350   }
8351   else
8352   {
8353     LoadLevelTemplate(-1);      // this resets all element modifications ...
8354
8355     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8356
8357     return FALSE;
8358   }
8359 }
8360
8361 static void CopyCustomElementPropertiesToGame(int element)
8362 {
8363   int i;
8364   int access_type_and_layer;
8365
8366   // mark that this custom element has been modified
8367   custom_element.modified_settings = TRUE;
8368   level.changed = TRUE;
8369
8370   if (level.use_custom_template)
8371     AskToCopyAndModifyLevelTemplate();
8372
8373   element_info[element] = custom_element;
8374   *element_info[element].change = custom_element_change;
8375
8376   // ---------- element settings: configure (custom elements) -----------------
8377
8378   // set accessible property from checkbox and selectbox
8379   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8380   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8381   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8382   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8383   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8384   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8385   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8386                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8387                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8388   custom_element_properties[access_type_and_layer] =
8389     custom_element_properties[EP_ACCESSIBLE];
8390   custom_element_properties[EP_PROTECTED] =
8391     (custom_element.access_protected != 0 &&
8392      custom_element_properties[EP_ACCESSIBLE]);
8393
8394   // set walk-to-object property from checkbox and selectbox
8395   custom_element_properties[EP_DIGGABLE] = FALSE;
8396   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8397   custom_element_properties[EP_DROPPABLE] = FALSE;
8398   custom_element_properties[EP_THROWABLE] = FALSE;
8399   custom_element_properties[EP_PUSHABLE] = FALSE;
8400   custom_element_properties[custom_element.walk_to_action] =
8401     custom_element_properties[EP_WALK_TO_OBJECT];
8402
8403   // set smash property from checkbox and selectbox
8404   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8405   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8406   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8407   custom_element_properties[custom_element.smash_targets] =
8408     custom_element_properties[EP_CAN_SMASH];
8409
8410   // set deadliness property from checkbox and selectbox
8411   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8412   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8413   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8414   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8415   custom_element_properties[custom_element.deadliness] =
8416     custom_element_properties[EP_DEADLY];
8417
8418   // ---------- element settings: advanced (custom elements) ------------------
8419
8420   // set player change event from checkbox and selectbox
8421   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
8422   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8423   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8424   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8425   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8426   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8427   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8428   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8429   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8430   custom_element_change_events[CE_SWITCHED] = FALSE;
8431   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8432   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8433   custom_element_change_events[CE_BLOCKED] = FALSE;
8434   custom_element_change_events[CE_IMPACT] = FALSE;
8435   custom_element_change_events[CE_SMASHED] = FALSE;
8436   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8437   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8438   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8439   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8440   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
8441   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
8442   custom_element_change_events[custom_element_change.direct_action] =
8443     custom_element_change_events[CE_BY_DIRECT_ACTION];
8444
8445   // set other element action change event from checkbox and selectbox
8446   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
8447   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8448   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8449   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8450   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8451   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8452   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8453   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8454   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8455   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8456   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8457   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
8458   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8459   custom_element_change_events[CE_HITTING_X] = FALSE;
8460   custom_element_change_events[CE_DIGGING_X] = FALSE;
8461   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8462   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8463   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8464   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8465   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8466   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8467   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8468   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8469   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8470   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8471   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
8472   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
8473   custom_element_change_events[custom_element_change.other_action] =
8474     custom_element_change_events[CE_BY_OTHER_ACTION];
8475
8476   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8477     SET_PROPERTY(element, i, custom_element_properties[i]);
8478
8479   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8480     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8481
8482   // copy change events also to special level editor variable
8483   custom_element = element_info[element];
8484   custom_element_change = *element_info[element].change;
8485
8486   // needed here to restore runtime value "element_info[element].gfx_element"
8487   InitElementPropertiesGfxElement();
8488 }
8489
8490 static void CopyGroupElementPropertiesToGame(int element)
8491 {
8492   // mark that this group element has been modified
8493   custom_element.modified_settings = TRUE;
8494   level.changed = TRUE;
8495
8496   if (level.use_custom_template)
8497     AskToCopyAndModifyLevelTemplate();
8498
8499   element_info[element] = custom_element;
8500   *element_info[element].group = group_element_info;
8501
8502   // needed here to restore runtime value "element_info[element].gfx_element"
8503   InitElementPropertiesGfxElement();
8504 }
8505
8506 static void CopyClassicElementPropertiesToGame(int element)
8507 {
8508   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8509     setMoveIntoAcidProperty(&level, element,
8510                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8511
8512   if (MAYBE_DONT_COLLIDE_WITH(element))
8513     setDontCollideWithProperty(&level, element,
8514                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8515 }
8516
8517 static void CopyElementPropertiesToGame(int element)
8518 {
8519   if (IS_CUSTOM_ELEMENT(element))
8520     CopyCustomElementPropertiesToGame(element);
8521   else if (IS_GROUP_ELEMENT(element))
8522     CopyGroupElementPropertiesToGame(element);
8523   else
8524     CopyClassicElementPropertiesToGame(element);
8525 }
8526
8527 #if DEBUG
8528 static void CheckElementDescriptions(void)
8529 {
8530   int i;
8531
8532   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8533     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8534       Warn("no element description file for element '%s'", EL_NAME(i));
8535 }
8536 #endif
8537
8538 static int getMaxEdFieldX(boolean has_scrollbar)
8539 {
8540   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8541   int sxsize = SXSIZE - scrollbar_width;
8542   int max_ed_fieldx = sxsize / ed_tilesize;
8543
8544   return max_ed_fieldx;
8545 }
8546
8547 static int getMaxEdFieldY(boolean has_scrollbar)
8548 {
8549   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8550                          INFOTEXT_YSIZE_FULL : 0);
8551   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8552   int sysize = SYSIZE - scrollbar_height - infotext_height;
8553   int max_ed_fieldy = sysize / ed_tilesize;
8554
8555   return max_ed_fieldy;
8556 }
8557
8558 static void InitZoomLevelSettings(int zoom_tilesize)
8559 {
8560   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8561
8562   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8563   {
8564     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8565     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8566
8567     // make sure that tile size is always a power of 2
8568     ed_tilesize = (1 << log_2(ed_tilesize));
8569
8570     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8571     {
8572       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8573       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8574     }
8575   }
8576
8577   last_game_engine_type = level.game_engine_type;
8578
8579   // limit zoom tilesize by upper and lower bound
8580   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8581
8582   // store zoom tilesize in auto setup file only if it was manually changed
8583   if (zoom_tilesize != -1)
8584     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8585
8586   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8587   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8588 }
8589
8590 static void InitDrawingElements(void)
8591 {
8592   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8593
8594   if (level.game_engine_type == game_engine_type_last)
8595     return;
8596
8597   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8598   {
8599     new_element1 = EL_SP_CHIP_SINGLE;
8600     new_element2 = EL_EMPTY;
8601     new_element3 = EL_SP_BASE;
8602   }
8603   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8604   {
8605     new_element1 = EL_MM_MIRROR_START;
8606     new_element2 = EL_EMPTY;
8607     new_element3 = EL_MM_WOODEN_WALL;
8608   }
8609   else
8610   {
8611     new_element1 = EL_WALL;
8612     new_element2 = EL_EMPTY;
8613     new_element3 = EL_SAND;
8614   }
8615
8616   game_engine_type_last = level.game_engine_type;
8617 }
8618
8619 static void InitLevelSetInfo(void)
8620 {
8621   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8622            "%s", leveldir_current->name);
8623   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8624            "%s", leveldir_current->author);
8625
8626   levelset_num_levels = leveldir_current->levels;
8627
8628   levelset_use_levelset_artwork = FALSE;
8629   levelset_copy_level_template = FALSE;
8630
8631   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8632 }
8633
8634 static void ChangeEditorToLevelSet(char *levelset_subdir)
8635 {
8636   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8637
8638   // the previous level set might have used custom artwork
8639   ReloadCustomArtwork(0);
8640
8641   LoadLevelSetup_SeriesInfo();
8642
8643   SaveLevelSetup_LastSeries();
8644   SaveLevelSetup_SeriesInfo();
8645
8646   TapeErase();
8647
8648   LoadLevel(level_nr);
8649   LoadScore(level_nr);
8650
8651   DrawLevelEd();
8652 }
8653
8654 static boolean useEditorDoorAnimation(void)
8655 {
8656   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8657   boolean door_1_viewport_unchanged =
8658     (vp_door_1->x      == DX     &&
8659      vp_door_1->y      == DY     &&
8660      vp_door_1->width  == DXSIZE &&
8661      vp_door_1->height == DYSIZE);
8662   boolean door_1_contains_toolbox =
8663     (EX >= DX &&
8664      EY >= DY &&
8665      EX + EXSIZE <= DX + DXSIZE &&
8666      EY + EYSIZE <= DY + DYSIZE);
8667
8668   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8669 }
8670
8671 static void DrawEditorDoorBackground(int graphic, int x, int y,
8672                                      int width, int height)
8673 {
8674   struct GraphicInfo *g = &graphic_info[graphic];
8675
8676   if (g->bitmap != NULL)
8677     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
8678                MIN(width, g->width), MIN(height, g->height), x, y);
8679   else
8680     ClearRectangle(drawto, x, y, width, height);
8681 }
8682
8683 static void DrawEditorDoorContent(void)
8684 {
8685   // needed for gadgets drawn on background (like palette scrollbar)
8686   SetDoorBackgroundImage(IMG_UNDEFINED);
8687
8688   // copy default editor door content to main double buffer
8689   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
8690
8691   // draw bigger door
8692   DrawSpecialEditorDoor();
8693
8694   // draw new control window
8695   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
8696
8697   // draw all toolbox gadgets to editor doors
8698   MapControlButtons();
8699
8700   // draw all palette gadgets to editor doors
8701   ModifyEditorElementList();
8702   RedrawDrawingElements();
8703
8704   // copy actual editor door content to door double buffer for OpenDoor()
8705   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8706 }
8707
8708 void DrawLevelEd(void)
8709 {
8710   int fade_mask = REDRAW_FIELD;
8711
8712   FadeSoundsAndMusic();
8713
8714   if (CheckFadeAll())
8715     fade_mask = REDRAW_ALL;
8716
8717   FadeOut(fade_mask);
8718
8719   // needed if different viewport properties defined for editor
8720   ChangeViewportPropertiesIfNeeded();
8721
8722   ClearField();
8723
8724   InitZoomLevelSettings(-1);
8725   InitDrawingElements();
8726   InitLevelSetInfo();
8727
8728 #if DEBUG
8729   CheckElementDescriptions();
8730 #endif
8731
8732   if (level_editor_test_game)
8733   {
8734     CopyPlayfield(level.field, Tile);
8735     CopyPlayfield(TileBackup, level.field);
8736
8737     level_editor_test_game = FALSE;
8738   }
8739   else
8740   {
8741     edit_mode = ED_MODE_DRAWING;
8742     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8743     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8744
8745     ResetUndoBuffer();
8746
8747     level_xpos = -1;
8748     level_ypos = -1;
8749   }
8750
8751   // redraw_mask |= REDRAW_ALL;
8752
8753   FreeLevelEditorGadgets();
8754   CreateLevelEditorGadgets();
8755
8756   ReinitializeElementList();            // update dynamic level element list
8757   ReinitializeElementListButtons();     // custom element may look different
8758
8759   InitElementPropertiesGfxElement();
8760
8761   UnmapAllGadgets();
8762
8763   DrawEditModeWindow_PlayfieldOnly();
8764
8765   DrawMaskedBorder(fade_mask);
8766
8767   // use door animation if door 1 viewport is unchanged and contains toolbox
8768   if (useEditorDoorAnimation())
8769   {
8770     FadeIn(fade_mask);
8771
8772     DrawEditorDoorContent();
8773
8774     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8775   }
8776   else
8777   {
8778     DrawEditorDoorContent();
8779
8780     FadeIn(fade_mask);
8781   }
8782
8783   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8784 }
8785
8786 static void AdjustDrawingAreaGadgets(void)
8787 {
8788   int ed_xsize = lev_fieldx + 2;
8789   int ed_ysize = lev_fieldy + 2;
8790   int max_ed_fieldx = MAX_ED_FIELDX;
8791   int max_ed_fieldy = MAX_ED_FIELDY;
8792   boolean horizontal_scrollbar_needed;
8793   boolean vertical_scrollbar_needed;
8794   int x, y, width, height;
8795
8796   if (suppressBorderElement())
8797   {
8798     ed_xsize = max_ed_fieldx;
8799     ed_ysize = max_ed_fieldy;
8800   }
8801
8802   // check if we need any scrollbars
8803   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8804   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8805
8806   // check if we have a smaller editor field because of scrollbars
8807   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8808   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8809
8810   // check again if we now need more scrollbars because of less space
8811   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8812   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8813
8814   // check if editor field gets even smaller after adding new scrollbars
8815   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8816   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8817
8818   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8819   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8820
8821   x = SX + ed_fieldx * ed_tilesize;
8822   y = SY + ed_fieldy * ed_tilesize;
8823
8824   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8825   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8826
8827   // adjust drawing area gadget
8828   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8829                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8830                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8831                GDI_END);
8832
8833   // adjust horizontal scrollbar gadgets
8834   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8835                GDI_Y, y,
8836                GDI_END);
8837   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8838                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8839                GDI_Y, y,
8840                GDI_END);
8841   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8842                GDI_Y, y,
8843                GDI_WIDTH, width,
8844                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8845                GDI_END);
8846
8847   // adjust vertical scrollbar gadgets
8848   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8849                GDI_X, x,
8850                GDI_END);
8851   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8852                GDI_X, x,
8853                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8854                GDI_END);
8855   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8856                GDI_X, x,
8857                GDI_HEIGHT, height,
8858                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8859                GDI_END);
8860 }
8861
8862 static void AdjustLevelScrollPosition(void)
8863 {
8864   if (level_xpos < -1)
8865     level_xpos = -1;
8866   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8867     level_xpos = lev_fieldx - ed_fieldx + 1;
8868   if (lev_fieldx < ed_fieldx - 2)
8869     level_xpos = -1;
8870
8871   if (level_ypos < -1)
8872     level_ypos = -1;
8873   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8874     level_ypos = lev_fieldy - ed_fieldy + 1;
8875   if (lev_fieldy < ed_fieldy - 2)
8876     level_ypos = -1;
8877
8878   if (suppressBorderElement())
8879   {
8880     level_xpos = 0;
8881     level_ypos = 0;
8882   }
8883 }
8884
8885 static void AdjustEditorScrollbar(int id)
8886 {
8887   struct GadgetInfo *gi = level_editor_gadget[id];
8888   int items_max, items_visible, item_position;
8889
8890   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8891   {
8892     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8893     items_visible = ed_fieldx;
8894     item_position = level_xpos + 1;
8895   }
8896   else
8897   {
8898     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8899     items_visible = ed_fieldy;
8900     item_position = level_ypos + 1;
8901   }
8902
8903   if (item_position > items_max - items_visible)
8904     item_position = items_max - items_visible;
8905
8906   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8907                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8908 }
8909
8910 static void AdjustElementListScrollbar(void)
8911 {
8912   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8913   int items_max, items_visible, item_position;
8914
8915   // correct position of element list scrollbar
8916   if (element_shift < 0)
8917     element_shift = 0;
8918   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8919     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8920
8921   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8922   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8923   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8924
8925   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8926                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8927                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8928 }
8929
8930 static void ModifyEditorCounterValue(int counter_id, int new_value)
8931 {
8932   int *counter_value = counterbutton_info[counter_id].value;
8933   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8934   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8935
8936   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8937
8938   if (counter_value != NULL)
8939     *counter_value = gi->textinput.number_value;
8940 }
8941
8942 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8943 {
8944   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8945   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8946
8947   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8948
8949   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8950       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8951   {
8952     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8953     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8954
8955     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8956     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8957                  GDI_END);
8958   }
8959 }
8960
8961 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8962 {
8963   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8964   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8965   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8966
8967   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8968 }
8969
8970 static void ModifyEditorSelectboxOptions(int selectbox_id,
8971                                          struct ValueTextInfo *options)
8972 {
8973   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8974   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8975
8976   selectbox_info[selectbox_id].options = options;
8977
8978   // set index to zero -- list may be shorter now (correct later, if needed)
8979   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8980                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8981 }
8982
8983 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8984 {
8985   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8986   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8987
8988   drawingarea_info[drawingarea_id].area_xsize = xsize;
8989   drawingarea_info[drawingarea_id].area_ysize = ysize;
8990
8991   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8992 }
8993
8994 static void ModifyEditorElementList(void)
8995 {
8996   int i;
8997
8998   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8999     return;
9000
9001   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9002   {
9003     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
9004     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9005     struct GadgetDesign *gd = &gi->deco.design;
9006     int element = editor_elements[element_shift + i];
9007     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
9008
9009     UnmapGadget(gi);
9010
9011     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
9012
9013     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
9014
9015     MapGadget(gi);
9016   }
9017 }
9018
9019 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
9020 {
9021   int graphic = el2edimg(element);
9022   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
9023
9024   if (pos->x == -1 &&
9025       pos->y == -1)
9026     return;
9027
9028   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
9029 }
9030
9031 static void ModifyDrawingElementButton(int element, int id)
9032 {
9033   struct GadgetInfo *gi = level_editor_gadget[id];
9034   Bitmap *deco_bitmap;
9035   int deco_x, deco_y;
9036   int tile_size = gi->deco.width;
9037
9038   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
9039
9040   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
9041 }
9042
9043 static void PickDrawingElement(int button, int element)
9044 {
9045   struct
9046   {
9047     int *new_element;
9048     struct XYTileSize *pos;
9049     int id;
9050   } de, drawing_elements[] =
9051   {
9052     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
9053     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
9054     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
9055   };
9056
9057   if (button < 1 || button > 3)
9058     return;
9059
9060   if (IS_MM_WALL(element))
9061     element = map_mm_wall_element(element);
9062
9063   de = drawing_elements[button - 1];
9064
9065   *de.new_element = element;    // update global drawing element variable
9066
9067   DrawDrawingElementGraphic(element, de.pos);
9068   ModifyDrawingElementButton(element, de.id);
9069
9070   redraw_mask |= REDRAW_DOOR_1;
9071 }
9072
9073 static void RedrawDrawingElements(void)
9074 {
9075   PickDrawingElement(1, new_element1);
9076   PickDrawingElement(2, new_element2);
9077   PickDrawingElement(3, new_element3);
9078 }
9079
9080 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
9081 {
9082   stick_element_properties_window = FALSE;
9083
9084   SetMainBackgroundImage(IMG_UNDEFINED);
9085   ClearField();
9086
9087   UnmapLevelEditorFieldGadgets();
9088
9089   AdjustDrawingAreaGadgets();
9090   AdjustLevelScrollPosition();
9091   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
9092   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
9093
9094   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
9095
9096   MapMainDrawingArea();
9097
9098   if (remap_toolbox_gadgets)
9099   {
9100     UnmapLevelEditorToolboxCustomGadgets();
9101     MapLevelEditorToolboxDrawingGadgets();
9102   }
9103 }
9104
9105 static void DrawDrawingWindow(void)
9106 {
9107   DrawDrawingWindowExt(TRUE);
9108 }
9109
9110 static int getTabulatorBarWidth(void)
9111 {
9112   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9113   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
9114
9115   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
9116 }
9117
9118 static int getTabulatorBarHeight(void)
9119 {
9120   return ED_TAB_BAR_HEIGHT;
9121 }
9122
9123 static Pixel getTabulatorBarColor(void)
9124 {
9125   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9126   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9127   int gd_x = gd->x + gd_gi1->border.width / 2;
9128   int gd_y = gd->y + gd_gi1->height - 1;
9129
9130   return GetPixel(gd->bitmap, gd_x, gd_y);
9131 }
9132
9133 static void DrawLevelInfoTabulatorGadgets(void)
9134 {
9135   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9136   Pixel tab_color = getTabulatorBarColor();
9137   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
9138   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
9139   int i;
9140
9141   for (i = id_first; i <= id_last; i++)
9142   {
9143     int gadget_id = textbutton_info[i].gadget_id;
9144     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9145     boolean active = (i != edit_mode_levelinfo);
9146
9147     // draw background line below tabulator button
9148     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9149
9150     // draw solid line below inactive tabulator buttons
9151     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9152       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9153                     ED_GADGET_TINY_DISTANCE, tab_color);
9154
9155     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9156     MapTextbuttonGadget(i);
9157   }
9158
9159   // draw little border line below tabulator buttons
9160   if (tab_color != BLACK_PIXEL)                 // black => transparent
9161     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9162                   ED_GADGET_TINY_DISTANCE,
9163                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9164 }
9165
9166 static void DrawPropertiesTabulatorGadgets(void)
9167 {
9168   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9169   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9170   int gd_x = gd->x + gd_gi1->border.width / 2;
9171   int gd_y = gd->y + gd_gi1->height - 1;
9172   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9173   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9174   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9175   int i;
9176
9177   // draw two config tabulators for player elements
9178   if (IS_PLAYER_ELEMENT(properties_element))
9179     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9180
9181   // draw two config and one "change" tabulator for custom elements
9182   if (IS_CUSTOM_ELEMENT(properties_element))
9183     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9184
9185   for (i = id_first; i <= id_last; i++)
9186   {
9187     int gadget_id = textbutton_info[i].gadget_id;
9188     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9189     boolean active = (i != edit_mode_properties);
9190
9191     // use "config 1" and "config 2" instead of "config" for players and CEs
9192     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9193         (IS_PLAYER_ELEMENT(properties_element) ||
9194          IS_CUSTOM_ELEMENT(properties_element)))
9195       continue;
9196
9197     // draw background line below tabulator button
9198     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9199
9200     // draw solid line below inactive tabulator buttons
9201     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9202       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9203                     ED_GADGET_TINY_DISTANCE, tab_color);
9204
9205     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9206     MapTextbuttonGadget(i);
9207   }
9208
9209   // draw little border line below tabulator buttons
9210   if (tab_color != BLACK_PIXEL)                 // black => transparent
9211     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9212                   ED_GADGET_TINY_DISTANCE,
9213                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9214 }
9215
9216 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9217 {
9218   DrawText(SX + xpos, SY + ypos, text, font_nr);
9219 }
9220
9221 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9222                                            int xpos, int ypos)
9223 {
9224   int font_width = getFontWidth(font_nr);
9225   int font_height = getFontHeight(font_nr);
9226   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9227   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9228
9229   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9230                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9231                       TRUE, FALSE, FALSE);
9232 }
9233
9234 static void DrawLevelInfoLevel(void)
9235 {
9236   int i;
9237
9238   // draw counter gadgets
9239   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9240     MapCounterButtons(i);
9241
9242   // draw checkbutton gadgets
9243   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9244     MapCheckbuttonGadget(i);
9245
9246   // draw selectbox gadgets
9247   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9248     MapSelectboxGadget(i);
9249
9250   // draw text input gadgets
9251   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9252     MapTextInputGadget(i);
9253 }
9254
9255 static char *getLevelSubdirFromSaveMode(int save_mode)
9256 {
9257   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9258     return getNewUserLevelSubdir();
9259
9260   return leveldir_current->subdir;
9261 }
9262
9263 static void DrawLevelInfoLevelSet_DirectoryInfo(void)
9264 {
9265   char *directory_text = "Level set directory:";
9266   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9267   int font1_nr = FONT_TEXT_1;
9268   int font2_nr = FONT_TEXT_2;
9269   int font1_height = getFontHeight(font1_nr);
9270   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9271   int x = ED_LEVEL_SETTINGS_X(0);
9272   int y = ED_LEVEL_SETTINGS_Y(6);
9273
9274   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9275   PrintInfoText(directory_name, font2_nr, x, y);
9276 }
9277
9278 static void DrawLevelInfoLevelSet(void)
9279 {
9280   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9281   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9282   int i;
9283
9284   // draw counter gadgets
9285   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9286     MapCounterButtons(i);
9287
9288   // draw checkbutton gadgets
9289   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9290   {
9291     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9292         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9293         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9294       continue;
9295
9296     MapCheckbuttonGadget(i);
9297   }
9298
9299   // draw selectbox gadgets
9300   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9301     MapSelectboxGadget(i);
9302
9303   // draw text input gadgets
9304   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9305     MapTextInputGadget(i);
9306
9307   // draw textbutton gadgets
9308   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9309
9310   // draw info text
9311   DrawLevelInfoLevelSet_DirectoryInfo();
9312 }
9313
9314 static void DrawLevelInfoEditor(void)
9315 {
9316   int i;
9317
9318   // draw counter gadgets
9319   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9320     MapCounterButtons(i);
9321
9322   // draw checkbutton gadgets
9323   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9324     MapCheckbuttonGadget(i);
9325
9326   // draw radiobutton gadgets
9327   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9328     MapRadiobuttonGadget(i);
9329
9330   // draw drawing area
9331   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9332
9333   // draw textbutton gadgets
9334   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9335 }
9336
9337 static void DrawLevelInfoWindow(void)
9338 {
9339   char *text = "Global Settings";
9340   int font_nr = FONT_TITLE_1;
9341   struct MenuPosInfo *pos = &editor.settings.headline;
9342   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9343   int sy = SY + pos->y;
9344
9345   stick_element_properties_window = FALSE;
9346
9347   SetAutomaticNumberOfGemsNeeded();
9348
9349   UnmapLevelEditorFieldGadgets();
9350
9351   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9352   ClearField();
9353
9354   DrawText(sx, sy, text, font_nr);
9355
9356   DrawLevelInfoTabulatorGadgets();
9357
9358   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9359     DrawLevelInfoLevel();
9360   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9361     DrawLevelInfoLevelSet();
9362   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9363     DrawLevelInfoEditor();
9364 }
9365
9366 static void DrawCustomContentArea(void)
9367 {
9368   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9369   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9370   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9371   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9372   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9373   int xoffset = ED_GADGET_SPACE_DISTANCE;
9374
9375   // add distance for potential left text (without drawing area border)
9376   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9377
9378   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9379
9380   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9381 }
9382
9383 static void DrawCustomChangeContentArea(void)
9384 {
9385   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9386   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9387   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9388   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9389   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9390   int xoffset = ED_GADGET_SPACE_DISTANCE;
9391
9392   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9393
9394   MapDrawingArea(id);
9395 }
9396
9397 static void RemoveElementContentArea(int id, int font_height)
9398 {
9399   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9400
9401   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9402                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9403                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9404                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9405                  ED_GADGET_TEXT_DISTANCE + font_height);
9406 }
9407
9408 static void DrawYamYamContentAreas(void)
9409 {
9410   int font_nr = FONT_TEXT_1;
9411   int font_height = getFontHeight(font_nr);
9412   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9413   int yoffset = (tilesize - font_height) / 2;
9414   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9415   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9416   int i;
9417
9418   // display counter to choose number of element content areas
9419   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9420
9421   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9422   {
9423     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9424
9425     if (i < level.num_yamyam_contents)
9426     {
9427       MapDrawingArea(id);
9428     }
9429     else
9430     {
9431       UnmapDrawingArea(id);
9432
9433       // delete content areas in case of reducing number of them
9434       RemoveElementContentArea(id, font_height);
9435     }
9436   }
9437
9438   DrawText(x, y + 0 * tilesize, "content", font_nr);
9439   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9440   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9441 }
9442
9443 static void DrawMagicBallContentAreas(void)
9444 {
9445   int font_nr = FONT_TEXT_1;
9446   int font_height = getFontHeight(font_nr);
9447   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9448   int yoffset = (tilesize - font_height) / 2;
9449   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9450   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9451   int i;
9452
9453   // display counter to choose number of element content areas
9454   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9455
9456   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9457   {
9458     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9459
9460     if (i < level.num_ball_contents)
9461     {
9462       MapDrawingArea(id);
9463     }
9464     else
9465     {
9466       UnmapDrawingArea(id);
9467
9468       // delete content areas in case of reducing number of them
9469       RemoveElementContentArea(id, font_height);
9470     }
9471   }
9472
9473   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9474   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9475   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9476 }
9477
9478 static void DrawAndroidElementArea(int element)
9479 {
9480   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9481   int num_elements = level.num_android_clone_elements;
9482   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9483   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9484   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9485   int xsize = MAX_ANDROID_ELEMENTS;
9486   int ysize = 1;
9487
9488   // display counter to choose number of element areas
9489   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9490
9491   if (drawingarea_info[id].text_left != NULL)
9492     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9493
9494   UnmapDrawingArea(id);
9495
9496   ModifyEditorDrawingArea(id, num_elements, 1);
9497
9498   // delete content areas in case of reducing number of them
9499   DrawBackground(sx, sy,
9500                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9501                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9502
9503   MapDrawingArea(id);
9504 }
9505
9506 static void DrawGroupElementArea(int element)
9507 {
9508   int id = ED_DRAWING_ID_GROUP_CONTENT;
9509   int num_elements = group_element_info.num_elements;
9510   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9511   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9512   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9513   int xsize = MAX_ELEMENTS_IN_GROUP;
9514   int ysize = 1;
9515
9516   if (drawingarea_info[id].text_left != NULL)
9517     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9518
9519   UnmapDrawingArea(id);
9520
9521   ModifyEditorDrawingArea(id, num_elements, 1);
9522
9523   // delete content areas in case of reducing number of them
9524   DrawBackground(sx, sy,
9525                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9526                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9527
9528   MapDrawingArea(id);
9529 }
9530
9531 static void DrawPlayerInitialInventoryArea(int element)
9532 {
9533   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9534   int player_nr = GET_PLAYER_NR(element);
9535   int num_elements = level.initial_inventory_size[player_nr];
9536   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9537   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9538   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9539   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9540   int ysize = 1;
9541
9542   // determine horizontal position to the right of specified gadget
9543   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9544     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9545           ED_DRAWINGAREA_TEXT_DISTANCE);
9546
9547   // determine horizontal offset for leading text
9548   if (drawingarea_info[id].text_left != NULL)
9549     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9550
9551   UnmapDrawingArea(id);
9552
9553   ModifyEditorDrawingArea(id, num_elements, 1);
9554
9555   // delete content areas in case of reducing number of them
9556   DrawBackground(sx, sy,
9557                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9558                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9559
9560   MapDrawingArea(id);
9561 }
9562
9563 static void DrawEnvelopeTextArea(int envelope_nr)
9564 {
9565   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9566   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9567
9568   UnmapGadget(gi);
9569   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9570
9571   if (envelope_nr != -1)
9572     textarea_info[id].value = level.envelope[envelope_nr].text;
9573
9574   ModifyGadget(gi, GDI_AREA_SIZE,
9575                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9576                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9577                GDI_END);
9578
9579   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9580 }
9581
9582 static void DrawPropertiesInfo(void)
9583 {
9584   static struct
9585   {
9586     int value;
9587     char *text;
9588   }
9589   properties[] =
9590   {
9591     // configurable properties
9592
9593     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9594     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9595     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9596     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9597     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9598     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9599     { EP_PROTECTED,             "- player is protected by it"           },
9600
9601     { EP_DIGGABLE,              "- can be digged away"                  },
9602     { EP_COLLECTIBLE,           "- can be collected"                    },
9603     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9604     { EP_THROWABLE,             "- can be thrown after collecting"      },
9605     { EP_PUSHABLE,              "- can be pushed"                       },
9606
9607     { EP_CAN_FALL,              "- can fall"                            },
9608     { EP_CAN_MOVE,              "- can move"                            },
9609
9610     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9611 #if 0
9612     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9613 #endif
9614     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9615
9616     { EP_SLIPPERY,              "- slippery for falling elements"       },
9617     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9618
9619     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9620     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9621     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9622     { EP_DONT_TOUCH,            "- deadly when touching"                },
9623
9624     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9625
9626     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9627     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9628     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9629
9630     { EP_CAN_CHANGE,            "- can change to other element"         },
9631
9632     // pre-defined properties
9633     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9634     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9635     { EP_SWITCHABLE,            "- can be switched"                     },
9636 #if 0
9637     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9638 #endif
9639
9640     { -1,                       NULL                                    }
9641   };
9642   char *filename = getElementDescriptionFilename(properties_element);
9643   char *percentage_text = "In this level: ";
9644   char *properties_text = "Standard properties: ";
9645   char *description_text = "Description:";
9646   char *no_description_text = "No description available.";
9647   char *none_text = "None";
9648   float percentage;
9649   int num_elements_in_level;
9650   int num_standard_properties = 0;
9651   int font1_nr = FONT_TEXT_1;
9652   int font2_nr = FONT_TEXT_2;
9653   int font1_width = getFontWidth(font1_nr);
9654   int font1_height = getFontHeight(font1_nr);
9655   int font2_height = getFontHeight(font2_nr);
9656   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9657   int font2_yoffset = (font1_height - font2_height) / 2;
9658   int percentage_text_len = strlen(percentage_text) * font1_width;
9659   int properties_text_len = strlen(properties_text) * font1_width;
9660   int xpos = ED_ELEMENT_SETTINGS_X(0);
9661   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9662   int i, x, y;
9663
9664   if (setup.editor.show_element_token)
9665   {
9666     int font3_nr = FONT_TEXT_3;
9667     int font3_height = getFontHeight(font3_nr);
9668
9669     DrawTextF(xpos, ypos, font3_nr,
9670               "[%s]", element_info[properties_element].token_name);
9671
9672     ypos += 2 * font3_height;
9673   }
9674
9675   // ----- print number of elements / percentage of this element in level
9676
9677   num_elements_in_level = 0;
9678   for (y = 0; y < lev_fieldy; y++)
9679     for (x = 0; x < lev_fieldx; x++)
9680       if (Tile[x][y] == properties_element)
9681         num_elements_in_level++;
9682   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9683
9684   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9685
9686   if (num_elements_in_level > 0)
9687     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9688               "%d (%.2f %%)", num_elements_in_level, percentage);
9689   else
9690     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9691               none_text);
9692
9693   ypos += 2 * MAX(font1_height, font2_height);
9694
9695   // ----- print standard properties of this element
9696
9697   DrawTextS(xpos, ypos, font1_nr, properties_text);
9698
9699   ypos += line1_height;
9700
9701   for (i = 0; properties[i].value != -1; i++)
9702   {
9703     if (!HAS_PROPERTY(properties_element, properties[i].value))
9704       continue;
9705
9706     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9707
9708     ypos += font2_height;
9709
9710     num_standard_properties++;
9711   }
9712
9713   if (num_standard_properties == 0)
9714   {
9715     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9716               font2_nr, none_text);
9717
9718     ypos -= (line1_height - font1_height);
9719   }
9720
9721   ypos += MAX(font1_height, font2_height);
9722
9723   // ----- print special description of this element
9724
9725   PrintInfoText(description_text, font1_nr, xpos, ypos);
9726
9727   ypos += line1_height;
9728
9729   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9730     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9731 }
9732
9733 #define TEXT_COLLECTING         "Score for collecting"
9734 #define TEXT_SMASHING           "Score for smashing"
9735 #define TEXT_SLURPING           "Score for slurping robot"
9736 #define TEXT_CRACKING           "Score for cracking"
9737 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9738 #define TEXT_DURATION           "Duration when activated"
9739 #define TEXT_DELAY_ON           "Delay before activating"
9740 #define TEXT_DELAY_OFF          "Delay before deactivating"
9741 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9742 #define TEXT_DELAY_MOVING       "Delay before moving"
9743 #define TEXT_BALL_DELAY         "Element generation delay"
9744 #define TEXT_MOVE_SPEED         "Speed of android moving"
9745 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9746 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9747 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9748 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9749 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9750 #define TEXT_TIME_BONUS         "Extra time to solve level"
9751
9752 static struct
9753 {
9754   int element;
9755   int *value;
9756   char *text;
9757 } elements_with_counter[] =
9758 {
9759   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9760   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9761   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9762   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9763   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9764   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9765   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9766   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9767   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9768   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9769   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9770   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9771   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9772   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9773   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9774   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9775   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9776   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9777   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9778   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9779   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9780   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9781   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9782   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9783   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9784   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9785   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9786   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9787   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9788   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9789   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9790   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9791   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9792   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9793   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9794   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9795   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9796   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9797   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9798   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9799   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9800   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9801   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9802   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9803   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9804   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9805   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9806   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9807   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9808   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9809   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9810   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9811   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9812   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9813   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9814   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9815   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9816   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9817   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9818   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9819   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9820   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9821   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9822   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9823   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9824   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9825   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9826   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9827   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9828   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9829   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9830   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9831   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9832   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9833   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9834   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9835   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9836   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9837   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9838   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9839   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9840   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9841   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9842
9843   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9844   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9845   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9846   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9847   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9848   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9849   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9850   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9851   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9852   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9853   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9854   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9855   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9856   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9857   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9858   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9859
9860   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9861   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9862   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9863   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9864   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9865   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9866   { EL_SPRING_LEFT,     &level.slurp_score,             TEXT_SLURPING   },
9867   { EL_SPRING_RIGHT,    &level.slurp_score,             TEXT_SLURPING   },
9868   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9869   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9870   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9871   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9872   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9873   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9874   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9875
9876   { -1,                 NULL,                           NULL            }
9877 };
9878
9879 static boolean checkPropertiesConfig(int element)
9880 {
9881   int i;
9882
9883   if (IS_GEM(element) ||
9884       IS_CUSTOM_ELEMENT(element) ||
9885       IS_GROUP_ELEMENT(element) ||
9886       IS_BALLOON_ELEMENT(element) ||
9887       IS_ENVELOPE(element) ||
9888       IS_MM_MCDUFFIN(element) ||
9889       IS_DF_LASER(element) ||
9890       IS_PLAYER_ELEMENT(element) ||
9891       HAS_EDITOR_CONTENT(element) ||
9892       CAN_GROW(element) ||
9893       COULD_MOVE_INTO_ACID(element) ||
9894       MAYBE_DONT_COLLIDE_WITH(element) ||
9895       element == EL_SOKOBAN_OBJECT ||
9896       element == EL_SOKOBAN_FIELD_EMPTY ||
9897       element == EL_SOKOBAN_FIELD_FULL)
9898     return TRUE;
9899   else
9900     for (i = 0; elements_with_counter[i].element != -1; i++)
9901       if (elements_with_counter[i].element == element)
9902         return TRUE;
9903
9904   return FALSE;
9905 }
9906
9907 static void SetAutomaticNumberOfGemsNeeded(void)
9908 {
9909   int x, y;
9910
9911   if (!level.auto_count_gems)
9912     return;
9913
9914   level.gems_needed = 0;
9915
9916   for (x = 0; x < lev_fieldx; x++)
9917   {
9918     for (y = 0; y < lev_fieldy; y++)
9919     {
9920       int element = Tile[x][y];
9921
9922       switch (element)
9923       {
9924         case EL_EMERALD:
9925         case EL_EMERALD_YELLOW:
9926         case EL_EMERALD_RED:
9927         case EL_EMERALD_PURPLE:
9928         case EL_BD_DIAMOND:
9929         case EL_WALL_EMERALD:
9930         case EL_WALL_EMERALD_YELLOW:
9931         case EL_WALL_EMERALD_RED:
9932         case EL_WALL_EMERALD_PURPLE:
9933         case EL_WALL_BD_DIAMOND:
9934         case EL_NUT:
9935         case EL_SP_INFOTRON:
9936         case EL_MM_KETTLE:
9937         case EL_DF_CELL:
9938           level.gems_needed++;
9939           break;
9940
9941         case EL_DIAMOND:
9942         case EL_WALL_DIAMOND:
9943           level.gems_needed += 3;
9944           break;
9945
9946         case EL_PEARL:
9947         case EL_WALL_PEARL:
9948           level.gems_needed += 5;
9949           break;
9950
9951         case EL_CRYSTAL:
9952         case EL_WALL_CRYSTAL:
9953           level.gems_needed += 8;
9954           break;
9955
9956         default:
9957           break;
9958       }
9959     }
9960   }
9961
9962   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9963 }
9964
9965 static void DrawPropertiesConfig(void)
9966 {
9967   boolean draw_footer_line = FALSE;
9968   int max_num_element_counters = 4;
9969   int num_element_counters = 0;
9970   int i;
9971
9972   if (!checkPropertiesConfig(properties_element))
9973   {
9974     int xpos = ED_ELEMENT_SETTINGS_X(0);
9975     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9976
9977     PrintInfoText("No configuration options available.",
9978                   FONT_TEXT_1, xpos, ypos);
9979
9980     return;
9981   }
9982
9983   // check if there are elements where a value can be chosen for
9984   for (i = 0; elements_with_counter[i].element != -1; i++)
9985   {
9986     if (elements_with_counter[i].element == properties_element)
9987     {
9988       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9989
9990       counterbutton_info[counter_id].y =
9991         ED_ELEMENT_SETTINGS_YPOS(
9992                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9993                 (CAN_GROW(properties_element)                ? 1 : 0) +
9994                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9995                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9996                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9997                 num_element_counters);
9998
9999       counterbutton_info[counter_id].value = elements_with_counter[i].value;
10000       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
10001
10002       if (properties_element == EL_GAME_OF_LIFE ||
10003           properties_element == EL_BIOMAZE)
10004       {
10005         counterbutton_info[counter_id].min_value = 0;   // min neighbours
10006         counterbutton_info[counter_id].max_value = 8;   // max neighbours
10007       }
10008       else
10009       {
10010         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
10011         counterbutton_info[counter_id].min_value = MIN_SCORE;
10012         counterbutton_info[counter_id].max_value = MAX_SCORE;
10013       }
10014
10015       MapCounterButtons(counter_id);
10016
10017       num_element_counters++;
10018       if (num_element_counters >= max_num_element_counters)
10019         break;
10020     }
10021   }
10022
10023   if (HAS_EDITOR_CONTENT(properties_element))
10024   {
10025     // draw stickybutton gadget
10026     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10027
10028     if (IS_AMOEBOID(properties_element))
10029       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
10030     else if (properties_element == EL_YAMYAM ||
10031              properties_element == EL_YAMYAM_LEFT ||
10032              properties_element == EL_YAMYAM_RIGHT ||
10033              properties_element == EL_YAMYAM_UP ||
10034              properties_element == EL_YAMYAM_DOWN)
10035       DrawYamYamContentAreas();
10036     else if (properties_element == EL_EMC_MAGIC_BALL)
10037     {
10038       DrawMagicBallContentAreas();
10039
10040       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
10041       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
10042     }
10043     else if (properties_element == EL_EMC_ANDROID)
10044       DrawAndroidElementArea(properties_element);
10045   }
10046
10047   if (IS_PLAYER_ELEMENT(properties_element))
10048   {
10049     int player_nr = GET_PLAYER_NR(properties_element);
10050
10051     // these properties can be set for every player individually
10052
10053     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10054     {
10055       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
10056         &level.start_element[player_nr];
10057       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
10058         &level.artwork_element[player_nr];
10059       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
10060         &level.explosion_element[player_nr];
10061
10062       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
10063         &level.use_start_element[player_nr];
10064       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
10065         &level.use_artwork_element[player_nr];
10066       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
10067         &level.use_explosion_element[player_nr];
10068       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
10069         &level.initial_player_gravity[player_nr];
10070
10071       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
10072         &level.initial_player_stepsize[player_nr];
10073
10074       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
10075       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
10076                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
10077                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
10078       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
10079       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
10080       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
10081       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
10082       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
10083       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
10084       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
10085       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
10086       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
10087       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
10088       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
10089
10090       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
10091       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
10092       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
10093
10094       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
10095     }
10096     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10097     {
10098       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
10099         &level.initial_inventory_content[player_nr][0];
10100
10101       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
10102         &level.initial_inventory_size[player_nr];
10103
10104       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
10105         &level.use_initial_inventory[player_nr];
10106
10107       // draw checkbutton gadgets
10108       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
10109       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
10110       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
10111
10112       // draw counter gadgets
10113       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
10114
10115       // draw drawing area gadgets
10116       DrawPlayerInitialInventoryArea(properties_element);
10117     }
10118   }
10119
10120   if (IS_GEM(properties_element))
10121     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
10122
10123   if (properties_element == EL_EM_DYNAMITE)
10124     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
10125
10126   if (COULD_MOVE_INTO_ACID(properties_element) &&
10127       !IS_PLAYER_ELEMENT(properties_element) &&
10128       (!IS_CUSTOM_ELEMENT(properties_element) ||
10129        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
10130   {
10131     // set position for checkbutton for "can move into acid"
10132     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
10133       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
10134     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
10135       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
10136                                IS_BALLOON_ELEMENT(properties_element) ||
10137                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10138
10139     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
10140   }
10141
10142   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
10143     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
10144
10145   if (properties_element == EL_SPRING ||
10146       properties_element == EL_SPRING_LEFT ||
10147       properties_element == EL_SPRING_RIGHT)
10148     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
10149
10150   if (properties_element == EL_TIME_ORB_FULL)
10151     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
10152
10153   if (properties_element == EL_GAME_OF_LIFE ||
10154       properties_element == EL_BIOMAZE)
10155     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
10156
10157   if (CAN_GROW(properties_element))
10158   {
10159     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
10160       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10161
10162     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
10163   }
10164
10165   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
10166     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
10167
10168   if (properties_element == EL_SOKOBAN_OBJECT)
10169     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
10170
10171   if (properties_element == EL_SOKOBAN_OBJECT ||
10172       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
10173       properties_element == EL_SOKOBAN_FIELD_FULL)
10174   {
10175     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
10176       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
10177                                0 : 1);
10178
10179     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
10180   }
10181
10182   if (IS_BALLOON_ELEMENT(properties_element))
10183     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
10184
10185   if (IS_ENVELOPE(properties_element))
10186   {
10187     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
10188     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
10189     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
10190     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
10191     int envelope_nr = properties_element - EL_ENVELOPE_1;
10192
10193     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
10194     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
10195
10196     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
10197     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
10198
10199     // display counter to choose size of envelope text area
10200     MapCounterButtons(counter1_id);
10201     MapCounterButtons(counter2_id);
10202
10203     // display checkbuttons to choose auto-wrap and alignment properties
10204     MapCheckbuttonGadget(button1_id);
10205     MapCheckbuttonGadget(button2_id);
10206
10207     DrawEnvelopeTextArea(envelope_nr);
10208   }
10209
10210   if (IS_MM_MCDUFFIN(properties_element))
10211   {
10212     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
10213     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
10214     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
10215   }
10216
10217   if (IS_DF_LASER(properties_element))
10218   {
10219     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
10220     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
10221     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
10222   }
10223
10224   if (IS_CUSTOM_ELEMENT(properties_element))
10225   {
10226     // draw stickybutton gadget
10227     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10228
10229     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10230     {
10231       // draw checkbutton gadgets
10232       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
10233            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
10234         MapCheckbuttonGadget(i);
10235
10236       // draw counter gadgets
10237       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
10238            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
10239         MapCounterButtons(i);
10240
10241       // draw selectbox gadgets
10242       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
10243            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
10244         MapSelectboxGadget(i);
10245
10246       // draw textbutton gadgets
10247       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10248
10249       // draw text input gadgets
10250       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10251
10252       // draw drawing area gadgets
10253       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10254
10255       draw_footer_line = TRUE;
10256     }
10257     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10258     {
10259       // draw checkbutton gadgets
10260       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
10261            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
10262         MapCheckbuttonGadget(i);
10263
10264       // draw counter gadgets
10265       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
10266            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
10267         MapCounterButtons(i);
10268
10269       // draw selectbox gadgets
10270       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
10271            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
10272         MapSelectboxGadget(i);
10273
10274       // draw drawing area gadgets
10275       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
10276       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
10277       DrawCustomContentArea();
10278     }
10279   }
10280   else if (IS_GROUP_ELEMENT(properties_element))
10281   {
10282     // draw stickybutton gadget
10283     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10284
10285     // draw checkbutton gadgets
10286     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10287     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10288
10289     // draw counter gadgets
10290     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
10291
10292     // draw selectbox gadgets
10293     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
10294
10295     // draw textbutton gadgets
10296     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10297
10298     // draw drawing area gadgets
10299     DrawGroupElementArea(properties_element);
10300
10301     // draw text input gadgets
10302     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10303
10304     // draw drawing area gadgets
10305     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10306
10307     draw_footer_line = TRUE;
10308   }
10309
10310   // draw little footer border line above CE/GE use/save template gadgets
10311   if (draw_footer_line)
10312   {
10313     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10314     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10315     int gd_x = gd->x + gd_gi1->border.width / 2;
10316     int gd_y = gd->y + gd_gi1->height - 1;
10317     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10318
10319     if (tab_color != BLACK_PIXEL)               // black => transparent
10320       FillRectangle(drawto,
10321                     SX + ED_ELEMENT_SETTINGS_X(0),
10322                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10323                     ED_TAB_BAR_HEIGHT,
10324                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10325   }
10326 }
10327
10328 static void DrawPropertiesChangeDrawingAreas(void)
10329 {
10330   if (IS_CUSTOM_ELEMENT(properties_element))
10331   {
10332     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10333     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10334     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10335
10336     DrawCustomChangeContentArea();
10337   }
10338
10339   redraw_mask |= REDRAW_FIELD;
10340 }
10341
10342 static void DrawPropertiesChange(void)
10343 {
10344   int i;
10345
10346   // needed to initially set selectbox options for special action options
10347   setSelectboxSpecialActionOptions();
10348
10349   // draw stickybutton gadget
10350   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10351
10352   // draw checkbutton gadgets
10353   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10354        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10355     MapCheckbuttonGadget(i);
10356
10357   // draw counter gadgets
10358   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10359        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10360     MapCounterButtons(i);
10361
10362   // draw selectbox gadgets
10363   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10364        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10365     MapSelectboxGadget(i);
10366
10367   // draw textbutton gadgets
10368   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10369        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10370     MapTextbuttonGadget(i);
10371
10372   // draw graphicbutton gadgets
10373   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10374        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10375     MapGraphicbuttonGadget(i);
10376
10377   // draw drawing area gadgets
10378   DrawPropertiesChangeDrawingAreas();
10379 }
10380
10381 static void DrawEditorElementAnimation(int x, int y)
10382 {
10383   int graphic = el2img(properties_element);
10384   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10385                custom_element.ce_value_fixed_initial :
10386                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10387                custom_element.collect_score_initial : FrameCounter);
10388
10389   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10390 }
10391
10392 static void DrawEditorElementName(int x, int y, int font_nr)
10393 {
10394   char *element_name = getElementInfoText(properties_element);
10395   int font_width = getFontWidth(font_nr);
10396   int font_height = getFontHeight(font_nr);
10397   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10398   int max_chars_per_line = max_text_width / font_width;
10399   char buffer[max_chars_per_line + 1];
10400
10401   if (strlen(element_name) <= max_chars_per_line)
10402     DrawTextS(x, y, font_nr, element_name);
10403   else
10404   {
10405     int next_pos = max_chars_per_line;
10406
10407     strncpy(buffer, element_name, max_chars_per_line);
10408     buffer[max_chars_per_line] = '\0';
10409
10410     if (element_name[max_chars_per_line] == ' ')
10411       next_pos++;
10412     else
10413     {
10414       int i;
10415
10416       for (i = max_chars_per_line - 1; i >= 0; i--)
10417         if (buffer[i] == ' ')
10418           break;
10419
10420       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10421       {
10422         buffer[i] = '\0';
10423         next_pos = i + 1;
10424       }
10425     }
10426
10427     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10428
10429     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10430     buffer[max_chars_per_line] = '\0';
10431
10432     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10433   }
10434 }
10435
10436 static void DrawPropertiesWindow(void)
10437 {
10438   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10439   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10440   int border_size = gd->border_size;
10441   int font_nr = FONT_TEXT_1;
10442   int font_height = getFontHeight(font_nr);
10443   int xoffset = TILEX + element_border + 3 * border_size;
10444   int yoffset = (TILEY - font_height) / 2;
10445   int x1 = editor.settings.element_graphic.x + element_border;
10446   int y1 = editor.settings.element_graphic.y + element_border;
10447   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10448             editor.settings.element_name.x);
10449   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10450             editor.settings.element_name.y);
10451   char *text = "Element Settings";
10452   int font2_nr = FONT_TITLE_1;
10453   struct MenuPosInfo *pos = &editor.settings.headline;
10454   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10455   int sy = SY + pos->y;
10456
10457   stick_element_properties_window = FALSE;
10458
10459   // make sure that previous properties edit mode exists for this element
10460   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10461       !IS_CUSTOM_ELEMENT(properties_element))
10462     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10463
10464   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10465       !IS_PLAYER_ELEMENT(properties_element) &&
10466       !IS_CUSTOM_ELEMENT(properties_element))
10467     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10468
10469   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10470       (IS_PLAYER_ELEMENT(properties_element) ||
10471        IS_CUSTOM_ELEMENT(properties_element)))
10472     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10473
10474   CopyElementPropertiesToEditor(properties_element);
10475
10476   UnmapLevelEditorFieldGadgets();
10477   UnmapLevelEditorToolboxDrawingGadgets();
10478   UnmapLevelEditorToolboxCustomGadgets();
10479
10480   if (IS_CUSTOM_ELEMENT(properties_element) ||
10481       IS_GROUP_ELEMENT(properties_element))
10482     MapLevelEditorToolboxCustomGadgets();
10483
10484   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10485   ClearField();
10486
10487   DrawText(sx, sy, text, font2_nr);
10488
10489   FrameCounter = 0;     // restart animation frame counter
10490
10491   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10492   DrawEditorElementAnimation(SX + x1, SY + y1);
10493   DrawEditorElementName(x2, y2, font_nr);
10494
10495   DrawPropertiesTabulatorGadgets();
10496
10497   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10498     DrawPropertiesInfo();
10499   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10500     DrawPropertiesChange();
10501   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
10502     DrawPropertiesConfig();
10503 }
10504
10505 static void DrawPaletteWindow(void)
10506 {
10507   int i;
10508
10509   UnmapLevelEditorFieldGadgets();
10510
10511   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10512   ClearField();
10513
10514   // map buttons to select elements
10515   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10516     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10517   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10518   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10519   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10520 }
10521
10522 static void UpdateCustomElementGraphicGadgets(void)
10523 {
10524   int i;
10525
10526   InitElementPropertiesGfxElement();
10527
10528   ModifyEditorElementList();
10529   RedrawDrawingElements();
10530
10531   // force redraw of all mapped drawing area gadgets
10532   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10533   {
10534     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10535
10536     if (gi->mapped)
10537       MapDrawingArea(i);
10538   }
10539 }
10540
10541 static int getOpenDirectionFromTube(int element)
10542 {
10543   switch (element)
10544   {
10545     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10546     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10547     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10548     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10549     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10550     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10551     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10552     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10553     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10554     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10555     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10556   }
10557
10558   return MV_NONE;
10559 }
10560
10561 static int getTubeFromOpenDirection(int direction)
10562 {
10563   switch (direction)
10564   {
10565     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10566     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10567     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10568     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10569     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10570     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10571     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10572     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10573     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10574     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10575     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10576
10577     // if only one direction, fall back to simple tube with that direction
10578     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10579     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10580     case (MV_UP):                       return EL_TUBE_VERTICAL;
10581     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10582   }
10583
10584   return EL_EMPTY;
10585 }
10586
10587 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10588 {
10589   int element_new = getTubeFromOpenDirection(direction);
10590
10591   return (element_new != EL_EMPTY ? element_new : element_old);
10592 }
10593
10594 static int getOpenDirectionFromBelt(int element)
10595 {
10596   int belt_dir = getBeltDirFromBeltElement(element);
10597
10598   return (belt_dir == MV_LEFT ? MV_RIGHT :
10599           belt_dir == MV_RIGHT ? MV_LEFT :
10600           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10601 }
10602
10603 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10604 {
10605   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10606                   direction == MV_RIGHT ? MV_LEFT :
10607                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10608
10609   if (direction == MV_NONE)
10610     return EL_EMPTY;
10611
10612   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10613 }
10614
10615 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10616                                                  int element_old)
10617 {
10618   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10619
10620   return (element_new != EL_EMPTY ? element_new : element_old);
10621 }
10622
10623 static int getOpenDirectionFromPool(int element)
10624 {
10625   switch (element)
10626   {
10627     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10628     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10629     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10630     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10631     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10632     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10633   }
10634
10635   return MV_NONE;
10636 }
10637
10638 static int getPoolFromOpenDirection(int direction)
10639 {
10640   switch (direction)
10641   {
10642     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10643     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10644     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10645     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10646     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10647     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10648   }
10649
10650   return EL_EMPTY;
10651 }
10652
10653 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10654 {
10655   int element = getPoolFromOpenDirection(direction);
10656   int help_direction = getOpenDirectionFromPool(help_element);
10657
10658   if (element == EL_EMPTY)
10659   {
10660     int help_direction_vertical = help_direction & MV_VERTICAL;
10661
10662     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10663   }
10664
10665   if (element == EL_EMPTY)
10666   {
10667     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10668
10669     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10670   }
10671
10672   return element;
10673 }
10674
10675 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10676 {
10677   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10678
10679   return (element_new != EL_EMPTY ? element_new : element_old);
10680 }
10681
10682 static int getOpenDirectionFromPillar(int element)
10683 {
10684   switch (element)
10685   {
10686     case EL_EMC_WALL_1:                 return (MV_DOWN);
10687     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10688     case EL_EMC_WALL_3:                 return (MV_UP);
10689   }
10690
10691   return MV_NONE;
10692 }
10693
10694 static int getPillarFromOpenDirection(int direction)
10695 {
10696   switch (direction)
10697   {
10698     case (MV_DOWN):                     return EL_EMC_WALL_1;
10699     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10700     case (MV_UP):                       return EL_EMC_WALL_3;
10701   }
10702
10703   return EL_EMPTY;
10704 }
10705
10706 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10707 {
10708   int element_new = getPillarFromOpenDirection(direction);
10709
10710   return (element_new != EL_EMPTY ? element_new : element_old);
10711 }
10712
10713 static int getOpenDirectionFromSteel2(int element)
10714 {
10715   switch (element)
10716   {
10717     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10718     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10719     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10720     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10721     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10722     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10723     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10724     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10725   }
10726
10727   return MV_NONE;
10728 }
10729
10730 static int getSteel2FromOpenDirection(int direction)
10731 {
10732   switch (direction)
10733   {
10734     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10735     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10736     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10737     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10738     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10739     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10740     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10741     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10742   }
10743
10744   return EL_EMPTY;
10745 }
10746
10747 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10748 {
10749   int element_new = getSteel2FromOpenDirection(direction);
10750
10751   return (element_new != EL_EMPTY ? element_new : element_old);
10752 }
10753
10754 static int getOpenDirectionFromChip(int element)
10755 {
10756   switch (element)
10757   {
10758     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10759     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10760     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10761     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10762     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10763   }
10764
10765   return MV_NONE;
10766 }
10767
10768 static int getChipFromOpenDirection(int direction)
10769 {
10770   switch (direction)
10771   {
10772     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10773     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10774     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10775     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10776     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10777   }
10778
10779   return EL_EMPTY;
10780 }
10781
10782 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10783 {
10784   int element_new = getChipFromOpenDirection(direction);
10785
10786   return (element_new != EL_EMPTY ? element_new : element_old);
10787 }
10788
10789 static int getClosedTube(int x, int y)
10790 {
10791   static int xy[4][2] =
10792   {
10793     { -1, 0 },
10794     { +1, 0 },
10795     { 0, -1 },
10796     { 0, +1 }
10797   };
10798   int element_old = IntelliDrawBuffer[x][y];
10799   int direction_old = getOpenDirectionFromTube(element_old);
10800   int direction_new = MV_NONE;
10801   int i;
10802
10803   for (i = 0; i < NUM_DIRECTIONS; i++)
10804   {
10805     int xx = x + xy[i][0];
10806     int yy = y + xy[i][1];
10807     int dir = MV_DIR_FROM_BIT(i);
10808     int dir_opposite = MV_DIR_OPPOSITE(dir);
10809
10810     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10811         (direction_old & dir) &&
10812         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10813       direction_new |= dir;
10814   }
10815
10816   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10817 }
10818
10819 static int getClosedBelt(int x, int y)
10820 {
10821   static int xy[4][2] =
10822   {
10823     { -1, 0 },
10824     { +1, 0 },
10825     { 0, -1 },
10826     { 0, +1 }
10827   };
10828   int element_old = IntelliDrawBuffer[x][y];
10829   int nr = getBeltNrFromBeltElement(element_old);
10830   int direction_old = getOpenDirectionFromBelt(element_old);
10831   int direction_new = MV_NONE;
10832   int i;
10833
10834   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10835   {
10836     int xx = x + xy[i][0];
10837     int yy = y + xy[i][1];
10838     int dir = MV_DIR_FROM_BIT(i);
10839     int dir_opposite = MV_DIR_OPPOSITE(dir);
10840
10841     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10842         (direction_old & dir) &&
10843         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10844       direction_new |= dir;
10845   }
10846
10847   return getBeltFromNrAndOpenDirection(nr, direction_new);
10848 }
10849
10850 static int getClosedPool(int x, int y)
10851 {
10852   static int xy[4][2] =
10853   {
10854     { -1, 0 },
10855     { +1, 0 },
10856     { 0, -1 },
10857     { 0, +1 }
10858   };
10859   int element_old = IntelliDrawBuffer[x][y];
10860   int direction_old = getOpenDirectionFromPool(element_old);
10861   int direction_new = MV_NONE;
10862   int i;
10863
10864   for (i = 0; i < NUM_DIRECTIONS; i++)
10865   {
10866     int xx = x + xy[i][0];
10867     int yy = y + xy[i][1];
10868     int dir = MV_DIR_FROM_BIT(i);
10869     int dir_opposite = MV_DIR_OPPOSITE(dir);
10870
10871     if (IN_LEV_FIELD(xx, yy) &&
10872         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10873         (direction_old & dir) &&
10874         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10875       direction_new |= dir;
10876   }
10877
10878   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10879 }
10880
10881 static int getClosedPillar(int x, int y)
10882 {
10883   static int xy[4][2] =
10884   {
10885     { -1, 0 },
10886     { +1, 0 },
10887     { 0, -1 },
10888     { 0, +1 }
10889   };
10890   int element_old = IntelliDrawBuffer[x][y];
10891   int direction_old = getOpenDirectionFromPillar(element_old);
10892   int direction_new = MV_NONE;
10893   int i;
10894
10895   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10896   {
10897     int xx = x + xy[i][0];
10898     int yy = y + xy[i][1];
10899     int dir = MV_DIR_FROM_BIT(i);
10900     int dir_opposite = MV_DIR_OPPOSITE(dir);
10901
10902     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10903         (direction_old & dir) &&
10904         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10905       direction_new |= dir;
10906   }
10907
10908   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10909 }
10910
10911 static int getClosedSteel2(int x, int y)
10912 {
10913   static int xy[4][2] =
10914   {
10915     { -1, 0 },
10916     { +1, 0 },
10917     { 0, -1 },
10918     { 0, +1 }
10919   };
10920   int element_old = IntelliDrawBuffer[x][y];
10921   int direction_old = getOpenDirectionFromSteel2(element_old);
10922   int direction_new = MV_NONE;
10923   int i;
10924
10925   for (i = 0; i < NUM_DIRECTIONS; i++)
10926   {
10927     int xx = x + xy[i][0];
10928     int yy = y + xy[i][1];
10929     int dir = MV_DIR_FROM_BIT(i);
10930     int dir_opposite = MV_DIR_OPPOSITE(dir);
10931
10932     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10933         (direction_old & dir) &&
10934         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10935       direction_new |= dir;
10936   }
10937
10938   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10939 }
10940
10941 static int getClosedChip(int x, int y)
10942 {
10943   static int xy[4][2] =
10944   {
10945     { -1, 0 },
10946     { +1, 0 },
10947     { 0, -1 },
10948     { 0, +1 }
10949   };
10950   int element_old = IntelliDrawBuffer[x][y];
10951   int direction_old = getOpenDirectionFromChip(element_old);
10952   int direction_new = MV_NONE;
10953   int i;
10954
10955   for (i = 0; i < NUM_DIRECTIONS; i++)
10956   {
10957     int xx = x + xy[i][0];
10958     int yy = y + xy[i][1];
10959     int dir = MV_DIR_FROM_BIT(i);
10960     int dir_opposite = MV_DIR_OPPOSITE(dir);
10961
10962     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10963         (direction_old & dir) &&
10964         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10965       direction_new |= dir;
10966   }
10967
10968   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10969 }
10970
10971 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10972                                 boolean change_level)
10973 {
10974   int sx = x - level_xpos;
10975   int sy = y - level_ypos;
10976   int old_element = Tile[x][y];
10977   int new_element = element;
10978   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10979   boolean draw_masked = FALSE;
10980
10981   if (IS_MM_WALL_EDITOR(element))
10982   {
10983     element = map_mm_wall_element_editor(element) | new_bitmask;
10984
10985     if (IS_MM_WALL(old_element))
10986       element |= MM_WALL_BITS(old_element);
10987
10988     if (!change_level)
10989       draw_masked = TRUE;
10990   }
10991   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10992   {
10993     int element_changed = old_element & ~new_bitmask;
10994
10995     if (MM_WALL_BITS(element_changed) != 0)
10996       element = element_changed;
10997   }
10998
10999   IntelliDrawBuffer[x][y] = element;
11000
11001   if (change_level)
11002     Tile[x][y] = element;
11003
11004   if (IN_ED_FIELD(sx, sy))
11005   {
11006     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
11007       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
11008     else if (draw_masked)
11009       DrawEditorElementThruMask(sx, sy, element);
11010     else
11011       DrawEditorElement(sx, sy, element);
11012   }
11013 }
11014
11015 static void SetElementSimple(int x, int y, int element, boolean change_level)
11016 {
11017   SetElementSimpleExt(x, y, 0, 0, element, change_level);
11018 }
11019
11020 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
11021                                            int x2, int y2, int *element2,
11022                                            int (*close_function)(int, int),
11023                                            boolean change_level)
11024 {
11025   // set neighbour elements to newly determined connections
11026   SetElementSimple(x1, y1, *element1, change_level);
11027   SetElementSimple(x2, y2, *element2, change_level);
11028
11029   // remove all open connections of neighbour elements
11030   *element1 = close_function(x1, y1);
11031   *element2 = close_function(x2, y2);
11032
11033   // set neighbour elements to new, minimized connections
11034   SetElementSimple(x1, y1, *element1, change_level);
11035   SetElementSimple(x2, y2, *element2, change_level);
11036 }
11037
11038 static void SetElementIntelliDraw(int x, int y, int new_element,
11039                                   boolean change_level, int button)
11040 {
11041   static int xy[4][2] =
11042   {
11043     { -1, 0 },
11044     { +1, 0 },
11045     { 0, -1 },
11046     { 0, +1 }
11047   };
11048   static int last_x = -1;
11049   static int last_y = -1;
11050
11051   if (new_element == EL_UNDEFINED)
11052   {
11053     last_x = -1;
11054     last_y = -1;
11055
11056     return;
11057   }
11058
11059   int old_element = IntelliDrawBuffer[x][y];
11060
11061   if (IS_TUBE(new_element))
11062   {
11063     int last_element_new = EL_UNDEFINED;
11064     int direction = MV_NONE;
11065     int i;
11066
11067     // if old element is of same kind, keep all existing directions
11068     if (IS_TUBE(old_element))
11069       direction |= getOpenDirectionFromTube(old_element);
11070
11071     for (i = 0; i < NUM_DIRECTIONS; i++)
11072     {
11073       int xx = x + xy[i][0];
11074       int yy = y + xy[i][1];
11075
11076       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11077           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
11078       {
11079         int dir = MV_DIR_FROM_BIT(i);
11080         int dir_opposite = MV_DIR_OPPOSITE(dir);
11081         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11082         int last_direction_old = getOpenDirectionFromTube(last_element_old);
11083         int last_direction_new = last_direction_old | dir_opposite;
11084
11085         last_element_new = getTubeFromOpenDirection(last_direction_new);
11086
11087         direction |= dir;
11088       }
11089     }
11090
11091     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
11092
11093     if (last_element_new != EL_UNDEFINED)
11094       MergeAndCloseNeighbourElements(x, y, &new_element,
11095                                      last_x, last_y, &last_element_new,
11096                                      getClosedTube, change_level);
11097   }
11098   else if (IS_BELT(new_element))
11099   {
11100     int belt_nr = getBeltNrFromBeltElement(new_element);
11101     int last_element_new = EL_UNDEFINED;
11102     int direction = MV_NONE;
11103     int i;
11104
11105     // if old element is of same kind, keep all existing directions
11106     if (IS_BELT(old_element))
11107       direction |= getOpenDirectionFromBelt(old_element);
11108
11109     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11110     {
11111       int xx = x + xy[i][0];
11112       int yy = y + xy[i][1];
11113
11114       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11115           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
11116       {
11117         int dir = MV_DIR_FROM_BIT(i);
11118         int dir_opposite = MV_DIR_OPPOSITE(dir);
11119         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11120         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
11121         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
11122         int last_direction_new = last_direction_old | dir_opposite;
11123
11124         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
11125                                                          last_direction_new);
11126         direction |= dir;
11127       }
11128     }
11129
11130     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
11131                                                         new_element);
11132     if (last_element_new != EL_UNDEFINED)
11133       MergeAndCloseNeighbourElements(x, y, &new_element,
11134                                      last_x, last_y, &last_element_new,
11135                                      getClosedBelt, change_level);
11136   }
11137   else if (IS_ACID_POOL_OR_ACID(new_element))
11138   {
11139     int last_element_new = EL_UNDEFINED;
11140     int direction = MV_NONE;
11141     int i;
11142
11143     // if old element is of same kind, keep all existing directions
11144     if (IS_ACID_POOL_OR_ACID(old_element))
11145       direction |= getOpenDirectionFromPool(old_element);
11146
11147     for (i = 0; i < NUM_DIRECTIONS; i++)
11148     {
11149       int xx = x + xy[i][0];
11150       int yy = y + xy[i][1];
11151
11152       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11153           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
11154       {
11155         int dir = MV_DIR_FROM_BIT(i);
11156         int dir_opposite = MV_DIR_OPPOSITE(dir);
11157         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11158         int last_direction_old = getOpenDirectionFromPool(last_element_old);
11159         int last_direction_new = last_direction_old | dir_opposite;
11160
11161         last_element_new = getPoolFromOpenDirection(last_direction_new);
11162
11163         direction |= dir;
11164       }
11165     }
11166
11167     // special corrections needed for intuitively correct acid pool drawing
11168     if (last_element_new == EL_EMPTY)
11169       last_element_new = new_element;
11170     else if (last_element_new != EL_UNDEFINED)
11171       new_element = last_element_new;
11172
11173     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
11174
11175     if (last_element_new != EL_UNDEFINED)
11176       MergeAndCloseNeighbourElements(x, y, &new_element,
11177                                      last_x, last_y, &last_element_new,
11178                                      getClosedPool, change_level);
11179   }
11180   else if (IS_EMC_PILLAR(new_element))
11181   {
11182     int last_element_new = EL_UNDEFINED;
11183     int direction = MV_NONE;
11184     int i;
11185
11186     // if old element is of same kind, keep all existing directions
11187     if (IS_EMC_PILLAR(old_element))
11188       direction |= getOpenDirectionFromPillar(old_element);
11189
11190     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11191     {
11192       int xx = x + xy[i][0];
11193       int yy = y + xy[i][1];
11194
11195       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11196           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
11197       {
11198         int dir = MV_DIR_FROM_BIT(i);
11199         int dir_opposite = MV_DIR_OPPOSITE(dir);
11200         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11201         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
11202         int last_direction_new = last_direction_old | dir_opposite;
11203
11204         last_element_new = getPillarFromOpenDirection(last_direction_new);
11205
11206         direction |= dir;
11207       }
11208     }
11209
11210     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
11211
11212     if (last_element_new != EL_UNDEFINED)
11213       MergeAndCloseNeighbourElements(x, y, &new_element,
11214                                      last_x, last_y, &last_element_new,
11215                                      getClosedPillar, change_level);
11216   }
11217   else if (IS_DC_STEELWALL_2(new_element))
11218   {
11219     int last_element_new = EL_UNDEFINED;
11220     int direction = MV_NONE;
11221     int i;
11222
11223     // if old element is of same kind, keep all existing directions
11224     if (IS_DC_STEELWALL_2(old_element))
11225       direction |= getOpenDirectionFromSteel2(old_element);
11226
11227     for (i = 0; i < NUM_DIRECTIONS; i++)
11228     {
11229       int xx = x + xy[i][0];
11230       int yy = y + xy[i][1];
11231
11232       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11233           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11234       {
11235         int dir = MV_DIR_FROM_BIT(i);
11236         int dir_opposite = MV_DIR_OPPOSITE(dir);
11237         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11238         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
11239         int last_direction_new = last_direction_old | dir_opposite;
11240
11241         last_element_new = getSteel2FromOpenDirection(last_direction_new);
11242
11243         direction |= dir;
11244       }
11245     }
11246
11247     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
11248
11249     if (last_element_new != EL_UNDEFINED)
11250       MergeAndCloseNeighbourElements(x, y, &new_element,
11251                                      last_x, last_y, &last_element_new,
11252                                      getClosedSteel2, change_level);
11253   }
11254   else if (IS_SP_CHIP(new_element))
11255   {
11256     int last_element_new = EL_UNDEFINED;
11257     int direction = MV_NONE;
11258     int i;
11259
11260     // (do not keep existing directions, regardless of kind of old element)
11261
11262     for (i = 0; i < NUM_DIRECTIONS; i++)
11263     {
11264       int xx = x + xy[i][0];
11265       int yy = y + xy[i][1];
11266
11267       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11268           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
11269       {
11270         int dir = MV_DIR_FROM_BIT(i);
11271         int dir_opposite = MV_DIR_OPPOSITE(dir);
11272         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11273         int last_direction_old = getOpenDirectionFromChip(last_element_old);
11274         int last_direction_new = last_direction_old | dir_opposite;
11275
11276         if (last_direction_old == MV_NONE)
11277         {
11278           last_element_new = getChipFromOpenDirection(last_direction_new);
11279           direction |= dir;
11280         }
11281         else if (last_direction_old & (dir | dir_opposite))
11282         {
11283           direction |= MV_DIR_OPPOSITE(last_direction_old);
11284         }
11285         else
11286         {
11287           direction |= MV_DIR_OPPOSITE(dir);
11288         }
11289       }
11290     }
11291
11292     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
11293
11294     if (last_element_new != EL_UNDEFINED)
11295       MergeAndCloseNeighbourElements(x, y, &new_element,
11296                                      last_x, last_y, &last_element_new,
11297                                      getClosedChip, change_level);
11298   }
11299   else if (IS_SP_HARDWARE_BASE(new_element))
11300   {
11301     int nr = GetSimpleRandom(6);
11302
11303     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
11304                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
11305                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
11306                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11307                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11308   }
11309   else if (new_element == EL_SP_HARDWARE_GREEN ||
11310            new_element == EL_SP_HARDWARE_BLUE ||
11311            new_element == EL_SP_HARDWARE_RED)
11312   {
11313     int nr = GetSimpleRandom(3);
11314
11315     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11316                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11317   }
11318   else if (IS_GROUP_ELEMENT(new_element))
11319   {
11320     boolean connected_drawing = FALSE;
11321     int i;
11322
11323     for (i = 0; i < NUM_DIRECTIONS; i++)
11324     {
11325       int xx = x + xy[i][0];
11326       int yy = y + xy[i][1];
11327
11328       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11329           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11330         connected_drawing = TRUE;
11331     }
11332
11333     if (!connected_drawing)
11334       ResolveGroupElement(new_element);
11335
11336     new_element = GetElementFromGroupElement(new_element);
11337   }
11338   else if (IS_BELT_SWITCH(old_element))
11339   {
11340     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11341     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11342
11343     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11344                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11345
11346     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11347   }
11348   else
11349   {
11350     static int swappable_elements[][2] =
11351     {
11352       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11353       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11354       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11355       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11356       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11357       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11358       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11359       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11360       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11361       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11362       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11363       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11364       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11365       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11366       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11367       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11368       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11369       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11370       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11371       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11372       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11373       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11374       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11375       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11376       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11377       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11378       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11379       { EL_PEARL,                       EL_WALL_PEARL                   },
11380       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11381       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11382       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11383       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11384       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11385       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11386       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11387       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11388       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11389       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11390       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11391       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11392       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11393       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11394       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11395       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11396
11397       { -1,                             -1                              },
11398     };
11399     static int rotatable_elements_4[][4] =
11400     {
11401       {
11402         EL_BUG_UP,
11403         EL_BUG_RIGHT,
11404         EL_BUG_DOWN,
11405         EL_BUG_LEFT
11406       },
11407       {
11408         EL_SPACESHIP_UP,
11409         EL_SPACESHIP_RIGHT,
11410         EL_SPACESHIP_DOWN,
11411         EL_SPACESHIP_LEFT
11412       },
11413       {
11414         EL_BD_BUTTERFLY_UP,
11415         EL_BD_BUTTERFLY_RIGHT,
11416         EL_BD_BUTTERFLY_DOWN,
11417         EL_BD_BUTTERFLY_LEFT
11418       },
11419       {
11420         EL_BD_FIREFLY_UP,
11421         EL_BD_FIREFLY_RIGHT,
11422         EL_BD_FIREFLY_DOWN,
11423         EL_BD_FIREFLY_LEFT
11424       },
11425       {
11426         EL_PACMAN_UP,
11427         EL_PACMAN_RIGHT,
11428         EL_PACMAN_DOWN,
11429         EL_PACMAN_LEFT
11430       },
11431       {
11432         EL_YAMYAM_UP,
11433         EL_YAMYAM_RIGHT,
11434         EL_YAMYAM_DOWN,
11435         EL_YAMYAM_LEFT
11436       },
11437       {
11438         EL_ARROW_UP,
11439         EL_ARROW_RIGHT,
11440         EL_ARROW_DOWN,
11441         EL_ARROW_LEFT
11442       },
11443       {
11444         EL_SP_PORT_UP,
11445         EL_SP_PORT_RIGHT,
11446         EL_SP_PORT_DOWN,
11447         EL_SP_PORT_LEFT
11448       },
11449       {
11450         EL_SP_GRAVITY_PORT_UP,
11451         EL_SP_GRAVITY_PORT_RIGHT,
11452         EL_SP_GRAVITY_PORT_DOWN,
11453         EL_SP_GRAVITY_PORT_LEFT
11454       },
11455       {
11456         EL_SP_GRAVITY_ON_PORT_UP,
11457         EL_SP_GRAVITY_ON_PORT_RIGHT,
11458         EL_SP_GRAVITY_ON_PORT_DOWN,
11459         EL_SP_GRAVITY_ON_PORT_LEFT
11460       },
11461       {
11462         EL_SP_GRAVITY_OFF_PORT_UP,
11463         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11464         EL_SP_GRAVITY_OFF_PORT_DOWN,
11465         EL_SP_GRAVITY_OFF_PORT_LEFT
11466       },
11467       {
11468         EL_MOLE_UP,
11469         EL_MOLE_RIGHT,
11470         EL_MOLE_DOWN,
11471         EL_MOLE_LEFT
11472       },
11473       {
11474         EL_BALLOON_SWITCH_UP,
11475         EL_BALLOON_SWITCH_RIGHT,
11476         EL_BALLOON_SWITCH_DOWN,
11477         EL_BALLOON_SWITCH_LEFT
11478       },
11479       {
11480         EL_MM_MCDUFFIN_UP,
11481         EL_MM_MCDUFFIN_RIGHT,
11482         EL_MM_MCDUFFIN_DOWN,
11483         EL_MM_MCDUFFIN_LEFT
11484       },
11485       {
11486         EL_MM_MIRROR_FIXED_1,
11487         EL_MM_MIRROR_FIXED_4,
11488         EL_MM_MIRROR_FIXED_3,
11489         EL_MM_MIRROR_FIXED_2
11490       },
11491       {
11492         EL_MM_STEEL_GRID_FIXED_1,
11493         EL_MM_STEEL_GRID_FIXED_4,
11494         EL_MM_STEEL_GRID_FIXED_2,
11495         EL_MM_STEEL_GRID_FIXED_3
11496       },
11497       {
11498         EL_MM_WOODEN_GRID_FIXED_1,
11499         EL_MM_WOODEN_GRID_FIXED_4,
11500         EL_MM_WOODEN_GRID_FIXED_2,
11501         EL_MM_WOODEN_GRID_FIXED_3
11502       },
11503       {
11504         EL_MM_POLARIZER_CROSS_1,
11505         EL_MM_POLARIZER_CROSS_4,
11506         EL_MM_POLARIZER_CROSS_3,
11507         EL_MM_POLARIZER_CROSS_2
11508       },
11509       {
11510         EL_MM_PACMAN_UP,
11511         EL_MM_PACMAN_RIGHT,
11512         EL_MM_PACMAN_DOWN,
11513         EL_MM_PACMAN_LEFT
11514       },
11515       {
11516         EL_DF_LASER_UP,
11517         EL_DF_LASER_RIGHT,
11518         EL_DF_LASER_DOWN,
11519         EL_DF_LASER_LEFT
11520       },
11521       {
11522         EL_DF_RECEIVER_UP,
11523         EL_DF_RECEIVER_RIGHT,
11524         EL_DF_RECEIVER_DOWN,
11525         EL_DF_RECEIVER_LEFT
11526       },
11527
11528       {
11529         -1,
11530       },
11531     };
11532     static int rotatable_elements_8[][8] =
11533     {
11534       {
11535         EL_DF_STEEL_GRID_FIXED_1,
11536         EL_DF_STEEL_GRID_FIXED_8,
11537         EL_DF_STEEL_GRID_FIXED_7,
11538         EL_DF_STEEL_GRID_FIXED_6,
11539         EL_DF_STEEL_GRID_FIXED_5,
11540         EL_DF_STEEL_GRID_FIXED_4,
11541         EL_DF_STEEL_GRID_FIXED_3,
11542         EL_DF_STEEL_GRID_FIXED_2
11543       },
11544       {
11545         EL_DF_WOODEN_GRID_FIXED_1,
11546         EL_DF_WOODEN_GRID_FIXED_8,
11547         EL_DF_WOODEN_GRID_FIXED_7,
11548         EL_DF_WOODEN_GRID_FIXED_6,
11549         EL_DF_WOODEN_GRID_FIXED_5,
11550         EL_DF_WOODEN_GRID_FIXED_4,
11551         EL_DF_WOODEN_GRID_FIXED_3,
11552         EL_DF_WOODEN_GRID_FIXED_2
11553       },
11554       {
11555         EL_DF_STEEL_GRID_ROTATING_1,
11556         EL_DF_STEEL_GRID_ROTATING_8,
11557         EL_DF_STEEL_GRID_ROTATING_7,
11558         EL_DF_STEEL_GRID_ROTATING_6,
11559         EL_DF_STEEL_GRID_ROTATING_5,
11560         EL_DF_STEEL_GRID_ROTATING_4,
11561         EL_DF_STEEL_GRID_ROTATING_3,
11562         EL_DF_STEEL_GRID_ROTATING_2
11563       },
11564       {
11565         EL_DF_WOODEN_GRID_ROTATING_1,
11566         EL_DF_WOODEN_GRID_ROTATING_8,
11567         EL_DF_WOODEN_GRID_ROTATING_7,
11568         EL_DF_WOODEN_GRID_ROTATING_6,
11569         EL_DF_WOODEN_GRID_ROTATING_5,
11570         EL_DF_WOODEN_GRID_ROTATING_4,
11571         EL_DF_WOODEN_GRID_ROTATING_3,
11572         EL_DF_WOODEN_GRID_ROTATING_2
11573       },
11574
11575       {
11576         -1,
11577       },
11578     };
11579     static int rotatable_elements_16[][16] =
11580     {
11581       {
11582         EL_MM_MIRROR_1,
11583         EL_MM_MIRROR_16,
11584         EL_MM_MIRROR_15,
11585         EL_MM_MIRROR_14,
11586         EL_MM_MIRROR_13,
11587         EL_MM_MIRROR_12,
11588         EL_MM_MIRROR_11,
11589         EL_MM_MIRROR_10,
11590         EL_MM_MIRROR_9,
11591         EL_MM_MIRROR_8,
11592         EL_MM_MIRROR_7,
11593         EL_MM_MIRROR_6,
11594         EL_MM_MIRROR_5,
11595         EL_MM_MIRROR_4,
11596         EL_MM_MIRROR_3,
11597         EL_MM_MIRROR_2
11598       },
11599       {
11600         EL_MM_TELEPORTER_5,
11601         EL_MM_TELEPORTER_4,
11602         EL_MM_TELEPORTER_3,
11603         EL_MM_TELEPORTER_2,
11604         EL_MM_TELEPORTER_1,
11605         EL_MM_TELEPORTER_16,
11606         EL_MM_TELEPORTER_15,
11607         EL_MM_TELEPORTER_14,
11608         EL_MM_TELEPORTER_13,
11609         EL_MM_TELEPORTER_12,
11610         EL_MM_TELEPORTER_11,
11611         EL_MM_TELEPORTER_10,
11612         EL_MM_TELEPORTER_9,
11613         EL_MM_TELEPORTER_8,
11614         EL_MM_TELEPORTER_7,
11615         EL_MM_TELEPORTER_6
11616       },
11617       {
11618         EL_MM_TELEPORTER_RED_5,
11619         EL_MM_TELEPORTER_RED_4,
11620         EL_MM_TELEPORTER_RED_3,
11621         EL_MM_TELEPORTER_RED_2,
11622         EL_MM_TELEPORTER_RED_1,
11623         EL_MM_TELEPORTER_RED_16,
11624         EL_MM_TELEPORTER_RED_15,
11625         EL_MM_TELEPORTER_RED_14,
11626         EL_MM_TELEPORTER_RED_13,
11627         EL_MM_TELEPORTER_RED_12,
11628         EL_MM_TELEPORTER_RED_11,
11629         EL_MM_TELEPORTER_RED_10,
11630         EL_MM_TELEPORTER_RED_9,
11631         EL_MM_TELEPORTER_RED_8,
11632         EL_MM_TELEPORTER_RED_7,
11633         EL_MM_TELEPORTER_RED_6
11634       },
11635       {
11636         EL_MM_TELEPORTER_YELLOW_5,
11637         EL_MM_TELEPORTER_YELLOW_4,
11638         EL_MM_TELEPORTER_YELLOW_3,
11639         EL_MM_TELEPORTER_YELLOW_2,
11640         EL_MM_TELEPORTER_YELLOW_1,
11641         EL_MM_TELEPORTER_YELLOW_16,
11642         EL_MM_TELEPORTER_YELLOW_15,
11643         EL_MM_TELEPORTER_YELLOW_14,
11644         EL_MM_TELEPORTER_YELLOW_13,
11645         EL_MM_TELEPORTER_YELLOW_12,
11646         EL_MM_TELEPORTER_YELLOW_11,
11647         EL_MM_TELEPORTER_YELLOW_10,
11648         EL_MM_TELEPORTER_YELLOW_9,
11649         EL_MM_TELEPORTER_YELLOW_8,
11650         EL_MM_TELEPORTER_YELLOW_7,
11651         EL_MM_TELEPORTER_YELLOW_6
11652       },
11653       {
11654         EL_MM_TELEPORTER_GREEN_5,
11655         EL_MM_TELEPORTER_GREEN_4,
11656         EL_MM_TELEPORTER_GREEN_3,
11657         EL_MM_TELEPORTER_GREEN_2,
11658         EL_MM_TELEPORTER_GREEN_1,
11659         EL_MM_TELEPORTER_GREEN_16,
11660         EL_MM_TELEPORTER_GREEN_15,
11661         EL_MM_TELEPORTER_GREEN_14,
11662         EL_MM_TELEPORTER_GREEN_13,
11663         EL_MM_TELEPORTER_GREEN_12,
11664         EL_MM_TELEPORTER_GREEN_11,
11665         EL_MM_TELEPORTER_GREEN_10,
11666         EL_MM_TELEPORTER_GREEN_9,
11667         EL_MM_TELEPORTER_GREEN_8,
11668         EL_MM_TELEPORTER_GREEN_7,
11669         EL_MM_TELEPORTER_GREEN_6
11670       },
11671       {
11672         EL_MM_TELEPORTER_BLUE_5,
11673         EL_MM_TELEPORTER_BLUE_4,
11674         EL_MM_TELEPORTER_BLUE_3,
11675         EL_MM_TELEPORTER_BLUE_2,
11676         EL_MM_TELEPORTER_BLUE_1,
11677         EL_MM_TELEPORTER_BLUE_16,
11678         EL_MM_TELEPORTER_BLUE_15,
11679         EL_MM_TELEPORTER_BLUE_14,
11680         EL_MM_TELEPORTER_BLUE_13,
11681         EL_MM_TELEPORTER_BLUE_12,
11682         EL_MM_TELEPORTER_BLUE_11,
11683         EL_MM_TELEPORTER_BLUE_10,
11684         EL_MM_TELEPORTER_BLUE_9,
11685         EL_MM_TELEPORTER_BLUE_8,
11686         EL_MM_TELEPORTER_BLUE_7,
11687         EL_MM_TELEPORTER_BLUE_6
11688       },
11689       {
11690         EL_MM_POLARIZER_1,
11691         EL_MM_POLARIZER_16,
11692         EL_MM_POLARIZER_15,
11693         EL_MM_POLARIZER_14,
11694         EL_MM_POLARIZER_13,
11695         EL_MM_POLARIZER_12,
11696         EL_MM_POLARIZER_11,
11697         EL_MM_POLARIZER_10,
11698         EL_MM_POLARIZER_9,
11699         EL_MM_POLARIZER_8,
11700         EL_MM_POLARIZER_7,
11701         EL_MM_POLARIZER_6,
11702         EL_MM_POLARIZER_5,
11703         EL_MM_POLARIZER_4,
11704         EL_MM_POLARIZER_3,
11705         EL_MM_POLARIZER_2
11706       },
11707       {
11708         EL_DF_MIRROR_1,
11709         EL_DF_MIRROR_16,
11710         EL_DF_MIRROR_15,
11711         EL_DF_MIRROR_14,
11712         EL_DF_MIRROR_13,
11713         EL_DF_MIRROR_12,
11714         EL_DF_MIRROR_11,
11715         EL_DF_MIRROR_10,
11716         EL_DF_MIRROR_9,
11717         EL_DF_MIRROR_8,
11718         EL_DF_MIRROR_7,
11719         EL_DF_MIRROR_6,
11720         EL_DF_MIRROR_5,
11721         EL_DF_MIRROR_4,
11722         EL_DF_MIRROR_3,
11723         EL_DF_MIRROR_2
11724       },
11725       {
11726         EL_DF_MIRROR_ROTATING_1,
11727         EL_DF_MIRROR_ROTATING_16,
11728         EL_DF_MIRROR_ROTATING_15,
11729         EL_DF_MIRROR_ROTATING_14,
11730         EL_DF_MIRROR_ROTATING_13,
11731         EL_DF_MIRROR_ROTATING_12,
11732         EL_DF_MIRROR_ROTATING_11,
11733         EL_DF_MIRROR_ROTATING_10,
11734         EL_DF_MIRROR_ROTATING_9,
11735         EL_DF_MIRROR_ROTATING_8,
11736         EL_DF_MIRROR_ROTATING_7,
11737         EL_DF_MIRROR_ROTATING_6,
11738         EL_DF_MIRROR_ROTATING_5,
11739         EL_DF_MIRROR_ROTATING_4,
11740         EL_DF_MIRROR_ROTATING_3,
11741         EL_DF_MIRROR_ROTATING_2
11742       },
11743
11744       {
11745         -1,
11746       },
11747     };
11748     int i, j;
11749
11750     for (i = 0; swappable_elements[i][0] != -1; i++)
11751     {
11752       int element1 = swappable_elements[i][0];
11753       int element2 = swappable_elements[i][1];
11754
11755       if (old_element == element1 || old_element == element2)
11756         new_element = (old_element == element1 ? element2 : element1);
11757     }
11758
11759     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11760     {
11761       for (j = 0; j < 4; j++)
11762       {
11763         int element = rotatable_elements_4[i][j];
11764
11765         if (old_element == element)
11766           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11767                          button == 2 ? rotatable_elements_4[i][0]           :
11768                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11769                          old_element);
11770       }
11771     }
11772
11773     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11774     {
11775       for (j = 0; j < 8; j++)
11776       {
11777         int element = rotatable_elements_8[i][j];
11778
11779         if (old_element == element)
11780           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11781                          button == 2 ? rotatable_elements_8[i][0]           :
11782                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11783                          old_element);
11784       }
11785     }
11786
11787     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11788     {
11789       for (j = 0; j < 16; j++)
11790       {
11791         int element = rotatable_elements_16[i][j];
11792
11793         if (old_element == element)
11794           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11795                          button == 2 ? rotatable_elements_16[i][0]             :
11796                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11797                          old_element);
11798       }
11799     }
11800
11801     if (old_element != new_element)
11802     {
11803       int max_infotext_len = getMaxInfoTextLength();
11804       char infotext[MAX_OUTPUT_LINESIZE + 1];
11805
11806       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11807       infotext[max_infotext_len] = '\0';
11808
11809       ClearEditorGadgetInfoText();
11810
11811       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11812                 infotext);
11813     }
11814   }
11815
11816   SetElementSimple(x, y, new_element, change_level);
11817
11818   last_x = x;
11819   last_y = y;
11820 }
11821
11822 static void ResetIntelliDraw(void)
11823 {
11824   int x, y;
11825
11826   for (x = 0; x < lev_fieldx; x++)
11827     for (y = 0; y < lev_fieldy; y++)
11828       IntelliDrawBuffer[x][y] = Tile[x][y];
11829
11830   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11831 }
11832
11833 static boolean draw_mode_hires = FALSE;
11834
11835 static boolean isHiresTileElement(int element)
11836 {
11837   return (IS_MM_WALL(element)        || element == EL_EMPTY);
11838 }
11839
11840 static boolean isHiresDrawElement(int element)
11841 {
11842   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
11843 }
11844
11845 static void SetDrawModeHiRes(int element)
11846 {
11847   draw_mode_hires =
11848     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11849      isHiresDrawElement(element));
11850 }
11851
11852 static boolean getDrawModeHiRes(void)
11853 {
11854   return draw_mode_hires;
11855 }
11856
11857 static int getLoResScreenPos(int pos)
11858 {
11859   return (getDrawModeHiRes() ? pos / 2 : pos);
11860 }
11861
11862 static int getLoResScreenMod(int pos)
11863 {
11864   return (getDrawModeHiRes() ? pos % 2 : 0);
11865 }
11866
11867 static void SetElementExt(int x, int y, int dx, int dy, int element,
11868                           boolean change_level, int button)
11869 {
11870   if (element < 0)
11871     SetElementSimple(x, y, Tile[x][y], change_level);
11872   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11873     SetElementIntelliDraw(x, y, element, change_level, button);
11874   else
11875     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11876 }
11877
11878 static void SetElement(int x, int y, int element)
11879 {
11880   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11881 }
11882
11883 static void SetElementButton(int x, int y, int dx, int dy, int element,
11884                              int button)
11885 {
11886   SetElementExt(x, y, dx, dy, element, TRUE, button);
11887 }
11888
11889 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11890 {
11891   int lx = getLoResScreenPos(sx2) + level_xpos;
11892   int ly = getLoResScreenPos(sy2) + level_ypos;
11893   int dx = getLoResScreenMod(sx2);
11894   int dy = getLoResScreenMod(sy2);
11895
11896   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11897 }
11898
11899 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11900 {
11901   int lx = lx2 / 2;
11902   int ly = ly2 / 2;
11903   int dx = lx2 % 2;
11904   int dy = ly2 % 2;
11905
11906   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11907 }
11908
11909 static int getLevelElementHiRes(int lx2, int ly2)
11910 {
11911   int lx = lx2 / 2;
11912   int ly = ly2 / 2;
11913   int dx = lx2 % 2;
11914   int dy = ly2 % 2;
11915   int element = Tile[lx][ly];
11916   unsigned int bitmask = (dx + 1) << (dy * 2);
11917
11918   if (IS_MM_WALL(element))
11919   {
11920     if (element & bitmask)
11921       return map_mm_wall_element(element);
11922     else
11923       return EL_EMPTY;
11924   }
11925
11926   return element;
11927 }
11928
11929 static void DrawLineElement(int x, int y, int element, boolean change_level)
11930 {
11931   SetElementHiRes(x, y, element, change_level);
11932 }
11933
11934 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11935                      int element, boolean change_level)
11936 {
11937   int xsize = ABS(to_x - from_x);
11938   int ysize = ABS(to_y - from_y);
11939   int dx = (to_x < from_x ? -1 : +1);
11940   int dy = (to_y < from_y ? -1 : +1);
11941   int i;
11942
11943   if (from_y == to_y)                   // horizontal line
11944   {
11945     for (i = 0; i <= xsize; i++)
11946       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11947   }
11948   else if (from_x == to_x)              // vertical line
11949   {
11950     for (i = 0; i <= ysize; i++)
11951       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11952   }
11953   else                                  // diagonal line
11954   {
11955     if (ysize < xsize)                  // a < 1
11956     {
11957       float a = (float)ysize / (float)xsize;
11958
11959       for (i = 0; i <= xsize; i++)
11960       {
11961         int x = dx * i;
11962         int y = dy * (int)(a * i + 0.5);
11963
11964         DrawLineElement(from_x + x, from_y + y, element, change_level);
11965       }
11966     }
11967     else                                // a >= 1
11968     {
11969       float a = (float)xsize / (float)ysize;
11970
11971       for (i = 0; i <= ysize; i++)
11972       {
11973         int x = dx * (int)(a * i + 0.5);
11974         int y = dy * i;
11975
11976         DrawLineElement(from_x + x, from_y + y, element, change_level);
11977       }
11978     }
11979   }
11980 }
11981
11982 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11983                     int element, boolean change_level)
11984 {
11985   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11986   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11987   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11988   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11989 }
11990
11991 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11992                           int element, boolean change_level)
11993 {
11994   int y;
11995
11996   if (from_y > to_y)
11997     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11998
11999   for (y = from_y; y <= to_y; y++)
12000     DrawLine(from_x, y, to_x, y, element, change_level);
12001 }
12002
12003 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
12004                        int element, boolean change_level)
12005 {
12006   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
12007   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
12008   int len_x = ABS(to_x - from_x);
12009   int len_y = ABS(to_y - from_y);
12010   int radius, x, y;
12011
12012   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
12013
12014   // not optimal (some points get drawn twice) but simple,
12015   // and fast enough for the few points we are drawing
12016
12017   for (x = 0; x <= radius; x++)
12018   {
12019     int sx, sy, sx2, sy2, lx, ly;
12020
12021     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
12022
12023     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12024     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12025     sx = getLoResScreenPos(sx2);
12026     sy = getLoResScreenPos(sy2);
12027     lx = sx + level_xpos;
12028     ly = sy + level_ypos;
12029
12030     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12031       DrawLineElement(sx2, sy2, element, change_level);
12032   }
12033
12034   for (y = 0; y <= radius; y++)
12035   {
12036     int sx, sy, sx2, sy2, lx, ly;
12037
12038     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
12039
12040     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12041     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12042     sx = getLoResScreenPos(sx2);
12043     sy = getLoResScreenPos(sy2);
12044     lx = sx + level_xpos;
12045     ly = sy + level_ypos;
12046
12047     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12048       DrawLineElement(sx2, sy2, element, change_level);
12049   }
12050 }
12051
12052 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
12053                     int element, boolean change_level)
12054 {
12055   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12056   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12057
12058   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12059 }
12060
12061 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
12062
12063 #if DRAW_CIRCLES_BUTTON_AVAILABLE
12064 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
12065                        int element, boolean change_level)
12066 {
12067   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12068   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12069   int mirror_to_x2 = from_x - (to_x2 - from_x);
12070   int mirror_to_y2 = from_y - (to_y2 - from_y);
12071
12072   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12073   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
12074   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
12075   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
12076 }
12077 #endif
12078
12079 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
12080 {
12081   int from_sx, from_sy;
12082   int to_sx, to_sy;
12083
12084   if (from_x > to_x)
12085     swap_numbers(&from_x, &to_x);
12086
12087   if (from_y > to_y)
12088     swap_numbers(&from_y, &to_y);
12089
12090   from_sx = SX + from_x * ed_tilesize;
12091   from_sy = SY + from_y * ed_tilesize;
12092   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
12093   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
12094
12095   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
12096   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
12097   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
12098   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
12099
12100   if (from_x == to_x && from_y == to_y)
12101     MarkTileDirty(from_x/2, from_y/2);
12102   else
12103     redraw_mask |= REDRAW_FIELD;
12104 }
12105
12106 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
12107                         int element, boolean change_level)
12108 {
12109   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
12110 }
12111
12112 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
12113                        int element, boolean change_level)
12114 {
12115   if (element == -1 || change_level)
12116     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
12117   else
12118     DrawAreaBorder(from_x, from_y, to_x, to_y);
12119 }
12120
12121 // values for CopyBrushExt()
12122 #define CB_AREA_TO_BRUSH                0
12123 #define CB_BRUSH_TO_CURSOR              1
12124 #define CB_BRUSH_TO_LEVEL               2
12125 #define CB_DELETE_OLD_CURSOR            3
12126 #define CB_DUMP_BRUSH                   4
12127 #define CB_DUMP_BRUSH_SMALL             5
12128 #define CB_CLIPBOARD_TO_BRUSH           6
12129 #define CB_BRUSH_TO_CLIPBOARD           7
12130 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
12131 #define CB_UPDATE_BRUSH_POSITION        9
12132
12133 #define MAX_CB_PART_SIZE        10
12134 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
12135 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
12136 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
12137                                  MAX_CB_NUM_LINES *     \
12138                                  MAX_CB_PART_SIZE)
12139
12140 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
12141 {
12142   DrawLineElement(sx, sy, element, change_level);
12143 }
12144
12145 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
12146                          int button, int mode)
12147 {
12148   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12149   static int brush_width, brush_height;
12150   static int last_cursor_x = -1, last_cursor_y = -1;
12151   static boolean delete_old_brush = FALSE;
12152   int new_element = BUTTON_ELEMENT(button);
12153   int x, y;
12154
12155   if (mode == CB_DUMP_BRUSH ||
12156       mode == CB_DUMP_BRUSH_SMALL ||
12157       mode == CB_BRUSH_TO_CLIPBOARD ||
12158       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12159   {
12160     if (edit_mode != ED_MODE_DRAWING)
12161       return;
12162
12163     char part[MAX_CB_PART_SIZE + 1] = "";
12164     char text[MAX_CB_TEXT_SIZE + 1] = "";
12165     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
12166     int height = (draw_with_brush ? brush_height : lev_fieldy);
12167     char *format = "%s%03d";
12168
12169     for (y = 0; y < height; y++)
12170       for (x = 0; x < width; x++)
12171         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
12172           format = "%s%04d";
12173
12174     for (y = 0; y < height; y++)
12175     {
12176       for (x = 0; x < width; x++)
12177       {
12178         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
12179         char *prefix = (mode == CB_DUMP_BRUSH ||
12180                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
12181
12182         if (element >= NUM_FILE_ELEMENTS)
12183           element = EL_UNKNOWN;
12184
12185         // copy brush to level sketch text buffer for the R'n'D forum:
12186         // - large tiles: `xxx or `xxxx (0x60 ASCII)
12187         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
12188         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
12189         strcat(text, part);
12190       }
12191
12192       strcat(text, "\n");
12193     }
12194
12195     if (mode == CB_BRUSH_TO_CLIPBOARD ||
12196         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12197       SDL_SetClipboardText(text);
12198     else
12199       Print("%s", text);        // print brush data to console and log file
12200
12201     return;
12202   }
12203
12204   if (mode == CB_CLIPBOARD_TO_BRUSH)
12205   {
12206     if (edit_mode != ED_MODE_DRAWING)
12207       return;
12208
12209     if (!SDL_HasClipboardText())
12210     {
12211       Request("Clipboard is empty!", REQ_CONFIRM);
12212
12213       return;
12214     }
12215
12216     boolean copy_to_brush = (draw_with_brush ||
12217                              drawing_function == GADGET_ID_GRAB_BRUSH);
12218
12219     // this will delete the old brush, if already drawing with a brush
12220     if (copy_to_brush)
12221       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
12222
12223     // initialization is required for "odd" (incomplete) clipboard content
12224     for (x = 0; x < MAX_LEV_FIELDX; x++)
12225       for (y = 0; y < MAX_LEV_FIELDY; y++)
12226         brush_buffer[x][y] = EL_EMPTY;
12227
12228     brush_width  = 0;
12229     brush_height = 0;
12230     x = 0;
12231     y = 0;
12232
12233     char *clipboard_text = SDL_GetClipboardText();
12234     char *ptr = clipboard_text;
12235     boolean allow_new_row = FALSE;
12236     boolean stop = FALSE;
12237
12238     while (*ptr && !stop)
12239     {
12240       boolean prefix_found = FALSE;
12241       boolean start_new_row = FALSE;
12242
12243       // level sketch element number prefixes (may be multi-byte characters)
12244       char *prefix_list[] = { "`", "¸" };
12245       int i;
12246
12247       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
12248       {
12249         char *prefix = prefix_list[i];
12250
12251         // check if string is large enough for prefix
12252         if (strlen(ptr) < strlen(prefix))
12253         {
12254           stop = TRUE;
12255
12256           break;
12257         }
12258
12259         // check if string starts with prefix
12260         if (strPrefix(ptr, prefix))
12261         {
12262           ptr += strlen(prefix);
12263
12264           prefix_found = TRUE;
12265
12266           break;
12267         }
12268       }
12269
12270       // check if prefix found and followed by (at least) three digits
12271       if (prefix_found &&
12272           strlen(ptr) >= 3 &&
12273           ptr[0] >= '0' && ptr[0] <= '9' &&
12274           ptr[1] >= '0' && ptr[1] <= '9' &&
12275           ptr[2] >= '0' && ptr[2] <= '9')
12276       {
12277         int element = ((ptr[0] - '0') * 100 +
12278                        (ptr[1] - '0') * 10 +
12279                        (ptr[2] - '0'));
12280
12281         ptr += 3;
12282
12283         // level sketch element number might consist of four digits
12284         if (ptr[0] >= '0' && ptr[0] <= '9')
12285         {
12286           element = element * 10 + (ptr[0] - '0');
12287           ptr++;
12288         }
12289
12290         // remap some (historic, now obsolete) elements
12291         element = getMappedElement(element);
12292
12293         if (element >= NUM_FILE_ELEMENTS)
12294           element = EL_UNKNOWN;
12295
12296         brush_buffer[x][y] = element;
12297
12298         brush_width  = MAX(x + 1, brush_width);
12299         brush_height = MAX(y + 1, brush_height);
12300
12301         x++;
12302
12303         if (x >= MAX_LEV_FIELDX)
12304           start_new_row = TRUE;
12305
12306         allow_new_row = TRUE;
12307       }
12308       else
12309       {
12310         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
12311           start_new_row = TRUE;
12312
12313         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
12314       }
12315
12316       if (start_new_row)
12317       {
12318         x = 0;
12319         y++;
12320
12321         if (y >= MAX_LEV_FIELDY)
12322           stop = TRUE;
12323
12324         allow_new_row = FALSE;
12325       }
12326     }
12327
12328     SDL_free(clipboard_text);
12329
12330     if (brush_width == 0 || brush_height == 0)
12331     {
12332       Request("No level sketch found in clipboard!", REQ_CONFIRM);
12333
12334       return;
12335     }
12336
12337     if (copy_to_brush)
12338     {
12339       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
12340       int mx, my;
12341
12342       SDL_GetMouseState(&mx, &my);
12343
12344       // if inside drawing area, activate and draw brush at last mouse position
12345       if (mx >= gi->x && mx < gi->x + gi->width &&
12346           my >= gi->y && my < gi->y + gi->height)
12347         CopyBrushToCursor(last_cursor_x, last_cursor_y);
12348
12349       draw_with_brush = TRUE;
12350     }
12351     else
12352     {
12353       char request[100];
12354
12355       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
12356               brush_width, brush_height);
12357
12358       if (!Request(request, REQ_ASK))
12359         return;
12360
12361       for (x = 0; x < MAX_LEV_FIELDX; x++)
12362         for (y = 0; y < MAX_LEV_FIELDY; y++)
12363           Tile[x][y] = brush_buffer[x][y];
12364
12365       lev_fieldx = level.fieldx = brush_width;
12366       lev_fieldy = level.fieldy = brush_height;
12367
12368       boolean use_em_engine = TRUE;
12369       boolean use_sp_engine = TRUE;
12370       boolean use_mm_engine = TRUE;
12371
12372       for (x = 0; x < MAX_LEV_FIELDX; x++)
12373       {
12374         for (y = 0; y < MAX_LEV_FIELDY; y++)
12375         {
12376           int element = Tile[x][y];
12377
12378           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
12379             use_em_engine = FALSE;
12380
12381           if (!IS_SP_ELEMENT(element))
12382             use_sp_engine = FALSE;
12383
12384           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
12385             use_mm_engine = FALSE;
12386         }
12387       }
12388
12389       level.game_engine_type = (use_em_engine ? GAME_ENGINE_TYPE_EM :
12390                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
12391                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
12392                                 GAME_ENGINE_TYPE_RND);
12393
12394       // update element selection list
12395       ReinitializeElementList();
12396       ModifyEditorElementList();
12397
12398       SetBorderElement();
12399
12400       DrawEditModeWindow();
12401       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12402     }
12403
12404     return;
12405   }
12406
12407   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
12408     return;
12409
12410   if (mode == CB_AREA_TO_BRUSH)
12411   {
12412     int from_lx, from_ly;
12413
12414     if (from_x > to_x)
12415       swap_numbers(&from_x, &to_x);
12416
12417     if (from_y > to_y)
12418       swap_numbers(&from_y, &to_y);
12419
12420     brush_width = to_x - from_x + 1;
12421     brush_height = to_y - from_y + 1;
12422
12423     from_lx = from_x + level_xpos;
12424     from_ly = from_y + level_ypos;
12425
12426     for (y = 0; y < brush_height; y++)
12427     {
12428       for (x = 0; x < brush_width; x++)
12429       {
12430         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
12431
12432         if (button != 1)
12433           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
12434       }
12435     }
12436
12437     if (button != 1)
12438       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12439
12440     delete_old_brush = FALSE;
12441   }
12442   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
12443            mode == CB_BRUSH_TO_LEVEL)
12444   {
12445     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
12446     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
12447     int cursor_from_x = cursor_x - brush_width / 2;
12448     int cursor_from_y = cursor_y - brush_height / 2;
12449     int border_from_x = cursor_x, border_from_y = cursor_y;
12450     int border_to_x = cursor_x, border_to_y = cursor_y;
12451
12452     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
12453       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12454
12455     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
12456         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
12457     {
12458       delete_old_brush = FALSE;
12459
12460       return;
12461     }
12462
12463     for (y = 0; y < brush_height; y++)
12464     {
12465       for (x = 0; x < brush_width; x++)
12466       {
12467         int sx = cursor_from_x + x;
12468         int sy = cursor_from_y + y;
12469         int lx = sx + level_xpos;
12470         int ly = sy + level_ypos;
12471         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
12472         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
12473                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
12474                        brush_buffer[x][y] : new_element);
12475
12476         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12477         {
12478           if (sx < border_from_x)
12479             border_from_x = sx;
12480           else if (sx > border_to_x)
12481             border_to_x = sx;
12482           if (sy < border_from_y)
12483             border_from_y = sy;
12484           else if (sy > border_to_y)
12485             border_to_y = sy;
12486
12487           DrawBrushElement(sx, sy, element, change_level);
12488         }
12489       }
12490     }
12491
12492     if (mode != CB_DELETE_OLD_CURSOR)
12493       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
12494
12495     last_cursor_x = cursor_x;
12496     last_cursor_y = cursor_y;
12497
12498     delete_old_brush = TRUE;
12499   }
12500
12501   if (mode == CB_UPDATE_BRUSH_POSITION)
12502   {
12503     last_cursor_x = from_x;
12504     last_cursor_y = from_y;
12505   }
12506 }
12507
12508 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
12509                             int button)
12510 {
12511   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
12512 }
12513
12514 static void CopyBrushToLevel(int x, int y, int button)
12515 {
12516   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
12517 }
12518
12519 static void CopyBrushToCursor(int x, int y)
12520 {
12521   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
12522 }
12523
12524 static void UpdateBrushPosition(int x, int y)
12525 {
12526   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
12527 }
12528
12529 static void DeleteBrushFromCursor(void)
12530 {
12531   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12532 }
12533
12534 void DumpBrush(void)
12535 {
12536   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
12537 }
12538
12539 void DumpBrush_Small(void)
12540 {
12541   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
12542 }
12543
12544 void CopyClipboardToBrush(void)
12545 {
12546   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
12547 }
12548
12549 void CopyBrushToClipboard(void)
12550 {
12551   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
12552 }
12553
12554 void CopyBrushToClipboard_Small(void)
12555 {
12556   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
12557 }
12558
12559 void UndoLevelEditorOperation(void)
12560 {
12561   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
12562 }
12563
12564 void RedoLevelEditorOperation(void)
12565 {
12566   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
12567 }
12568
12569 static void FloodFill(int from_x, int from_y, int fill_element)
12570 {
12571   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
12572 }
12573
12574 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
12575 {
12576   int from_x = from_sx2 + 2 * level_xpos;
12577   int from_y = from_sy2 + 2 * level_ypos;
12578   int max_fillx = lev_fieldx * 2;
12579   int max_filly = lev_fieldy * 2;
12580   short Fill[max_fillx][max_filly];
12581   int x, y;
12582
12583   for (x = 0; x < max_fillx; x++)
12584     for (y = 0; y < max_filly; y++)
12585       Fill[x][y] = getLevelElementHiRes(x, y);
12586
12587   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
12588                     Fill, max_fillx, max_filly);
12589
12590   for (x = 0; x < max_fillx; x++)
12591     for (y = 0; y < max_filly; y++)
12592       if (Fill[x][y] == fill_element)
12593         SetLevelElementHiRes(x, y, Fill[x][y]);
12594 }
12595
12596 // values for DrawLevelText() modes
12597 #define TEXT_INIT               0
12598 #define TEXT_SETCURSOR          1
12599 #define TEXT_WRITECHAR          2
12600 #define TEXT_BACKSPACE          3
12601 #define TEXT_NEWLINE            4
12602 #define TEXT_END                5
12603 #define TEXT_QUERY_TYPING       6
12604
12605 static int DrawLevelText(int sx, int sy, char letter, int mode)
12606 {
12607   static short delete_buffer[MAX_LEV_FIELDX];
12608   static int start_sx;
12609   static int last_sx, last_sy;
12610   static boolean typing = FALSE;
12611   int letter_element = EL_CHAR_ASCII0 + letter;
12612   int lx = 0, ly = 0;
12613
12614   // map lower case letters to upper case and convert special characters
12615   if (letter >= 'a' && letter <= 'z')
12616     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
12617   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
12618     letter_element = EL_CHAR_AUMLAUT;
12619   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
12620     letter_element = EL_CHAR_OUMLAUT;
12621   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
12622     letter_element = EL_CHAR_UUMLAUT;
12623   else if (letter == '^')
12624     letter_element = EL_CHAR_COPYRIGHT;
12625   else
12626     letter_element = EL_CHAR_ASCII0 + letter;
12627
12628   if (mode != TEXT_INIT)
12629   {
12630     if (!typing)
12631       return FALSE;
12632
12633     if (mode != TEXT_SETCURSOR)
12634     {
12635       sx = last_sx;
12636       sy = last_sy;
12637     }
12638
12639     lx = last_sx + level_xpos;
12640     ly = last_sy + level_ypos;
12641   }
12642
12643   switch (mode)
12644   {
12645     case TEXT_INIT:
12646       if (typing)
12647         DrawLevelText(0, 0, 0, TEXT_END);
12648
12649       typing = TRUE;
12650       start_sx = sx;
12651       last_sx = sx;
12652       last_sy = sy;
12653       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
12654       break;
12655
12656     case TEXT_SETCURSOR:
12657       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
12658       DrawAreaBorder(sx, sy, sx, sy);
12659       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
12660                      ed_tilesize, ed_tilesize);
12661       last_sx = sx;
12662       last_sy = sy;
12663       break;
12664
12665     case TEXT_WRITECHAR:
12666       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12667       {
12668         if (new_element1 >= EL_STEEL_CHAR_START &&
12669             new_element1 <= EL_STEEL_CHAR_END)
12670           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12671
12672         delete_buffer[sx - start_sx] = Tile[lx][ly];
12673         Tile[lx][ly] = letter_element;
12674
12675         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12676           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12677         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12678           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12679         else
12680           DrawLevelText(0, 0, 0, TEXT_END);
12681
12682         level.changed = TRUE;
12683       }
12684       break;
12685
12686     case TEXT_BACKSPACE:
12687       if (sx > start_sx)
12688       {
12689         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12690         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
12691         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12692       }
12693       break;
12694
12695     case TEXT_NEWLINE:
12696       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12697         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12698       else
12699         DrawLevelText(0, 0, 0, TEXT_END);
12700       break;
12701
12702     case TEXT_END:
12703       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12704       DrawEditorElement(sx, sy, Tile[lx][ly]);
12705       StopTextInput();
12706       typing = FALSE;
12707       break;
12708
12709     case TEXT_QUERY_TYPING:
12710       break;
12711
12712     default:
12713       break;
12714   }
12715
12716   return typing;
12717 }
12718
12719 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12720                           int element, boolean change_level)
12721 {
12722   int lx = sx + level_xpos;
12723   int ly = sy + level_ypos;
12724
12725   if (element == -1)
12726     DrawEditorElement(sx, sy, Tile[lx][ly]);
12727   else
12728     DrawAreaBorder(sx, sy, sx, sy);
12729 }
12730
12731 static void CheckLevelBorderElement(boolean redraw_playfield)
12732 {
12733   int last_border_element = BorderElement;
12734
12735   SetBorderElement();
12736
12737   if (redraw_playfield && BorderElement != last_border_element)
12738     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12739 }
12740
12741 static void CopyLevelToUndoBuffer(int mode)
12742 {
12743   static boolean accumulated_undo = FALSE;
12744   boolean new_undo_buffer_position = TRUE;
12745   int x, y;
12746
12747   if (undo_buffer_steps == 0)
12748     accumulated_undo = FALSE;
12749
12750   switch (mode)
12751   {
12752     case UNDO_IMMEDIATE:
12753       accumulated_undo = FALSE;
12754       break;
12755
12756     case UNDO_ACCUMULATE:
12757       if (accumulated_undo)
12758         new_undo_buffer_position = FALSE;
12759       accumulated_undo = TRUE;
12760       break;
12761
12762     default:
12763       break;
12764   }
12765
12766   if (new_undo_buffer_position)
12767   {
12768     // advance position in undo buffer ring
12769     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12770
12771     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12772       undo_buffer_steps++;
12773   }
12774
12775   // always reset redo buffer when storing level change into undo buffer
12776   redo_buffer_steps = 0;
12777
12778   for (x = 0; x < lev_fieldx; x++)
12779     for (y = 0; y < lev_fieldy; y++)
12780       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
12781
12782   // check if drawing operation forces change of border style
12783   CheckLevelBorderElement(TRUE);
12784
12785   level.changed = TRUE;
12786 }
12787
12788 static void RandomPlacement(int new_element)
12789 {
12790   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12791   int num_free_positions = 0;
12792   int num_percentage, num_elements;
12793   int x, y;
12794
12795   ResetIntelliDraw();
12796
12797   // determine number of free positions for randomly placing the new element
12798   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12799   {
12800     free_position[x][y] =
12801       (random_placement_background_restricted ?
12802        Tile[x][y] == random_placement_background_element :
12803        Tile[x][y] != new_element);
12804
12805     if (free_position[x][y])
12806       num_free_positions++;
12807   }
12808
12809   // determine number of new elements to place there
12810   num_percentage = num_free_positions * random_placement_value / 100;
12811   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12812                   num_percentage : random_placement_value);
12813
12814   // if less free positions than elements to place, fill all these positions
12815   if (num_free_positions < num_elements)
12816   {
12817     for (x = 0; x < lev_fieldx; x++)
12818       for (y = 0; y < lev_fieldy; y++)
12819         if (free_position[x][y])
12820           SetElement(x, y, new_element);
12821   }
12822   else
12823   {
12824     while (num_elements > 0)
12825     {
12826       x = GetSimpleRandom(lev_fieldx);
12827       y = GetSimpleRandom(lev_fieldy);
12828
12829       // don't place element at the same position twice
12830       if (free_position[x][y])
12831       {
12832         free_position[x][y] = FALSE;
12833         SetElement(x, y, new_element);
12834         num_elements--;
12835       }
12836     }
12837   }
12838
12839   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12840   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12841 }
12842
12843 static void WrapLevel(int dx, int dy)
12844 {
12845   int wrap_dx = lev_fieldx - dx;
12846   int wrap_dy = lev_fieldy - dy;
12847   int x, y;
12848
12849   for (x = 0; x < lev_fieldx; x++)
12850     for (y = 0; y < lev_fieldy; y++)
12851       TileBackup[x][y] = Tile[x][y];
12852
12853   for (x = 0; x < lev_fieldx; x++)
12854     for (y = 0; y < lev_fieldy; y++)
12855       Tile[x][y] =
12856         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12857
12858   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12859   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12860 }
12861
12862 static void DrawAreaElementHighlight(boolean highlighted)
12863 {
12864   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12865
12866   if (!highlighted)
12867     return;
12868
12869   int x, y;
12870
12871   for (x = 0; x < ed_fieldx; x++)
12872   {
12873     for (y = 0; y < ed_fieldy; y++)
12874     {
12875       int lx = x + level_xpos;
12876       int ly = y + level_ypos;
12877
12878       if (!IN_LEV_FIELD(lx, ly))
12879         continue;
12880
12881       if (Tile[lx][ly] != new_element1)
12882         continue;
12883
12884       int sx = SX + x * ed_tilesize;
12885       int sy = SY + y * ed_tilesize;
12886       int from_sx = sx;
12887       int from_sy = sy;
12888       int to_sx = sx + ed_tilesize - 1;
12889       int to_sy = sy + ed_tilesize - 1;
12890
12891       DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
12892       DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
12893       DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
12894       DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
12895     }
12896   }
12897 }
12898
12899 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
12900 {
12901   char *template_filename_old = getLocalLevelTemplateFilename();
12902   char *template_filename_new =
12903     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
12904
12905   if (copyFile(template_filename_old, template_filename_new) != 0)
12906     Request("Cannot copy level template!", REQ_CONFIRM);
12907
12908   free(template_filename_new);
12909 }
12910
12911 static void HandleDrawingAreas(struct GadgetInfo *gi)
12912 {
12913   static boolean started_inside_drawing_area = FALSE;
12914   static int last_sx = -1, last_sy = -1;
12915   static int last_sx2 = -1, last_sy2 = -1;
12916   int id = gi->custom_id;
12917   int type_id = gi->custom_type_id;
12918   boolean button_press_event;
12919   boolean button_release_event;
12920   boolean inside_drawing_area = !gi->event.off_borders;
12921   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12922   int actual_drawing_function;
12923   int button = gi->event.button;
12924   int new_element = BUTTON_ELEMENT(button);
12925   int sx = gi->event.x, sy = gi->event.y;
12926   int min_sx = 0, min_sy = 0;
12927   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12928   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12929   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12930   int sx2 = gi->event.mx / mini_item_xsize;
12931   int sy2 = gi->event.my / mini_item_ysize;
12932   int dx = sx2 % 2;
12933   int dy = sy2 % 2;
12934   int lx = 0, ly = 0;
12935   int min_lx = 0, min_ly = 0;
12936   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12937   int x, y;
12938
12939   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12940   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12941
12942   // make sure to stay inside drawing area boundaries
12943   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12944   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12945
12946   if (draw_level)
12947   {
12948     // get positions inside level field
12949     lx = sx + level_xpos;
12950     ly = sy + level_ypos;
12951
12952     if (!IN_LEV_FIELD(lx, ly))
12953       inside_drawing_area = FALSE;
12954
12955     // make sure to stay inside level field boundaries
12956     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12957     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12958
12959     // correct drawing area positions accordingly
12960     sx = lx - level_xpos;
12961     sy = ly - level_ypos;
12962   }
12963
12964   // also correct MM wall-sized (double) drawing area positions accordingly
12965   if (sx2 / 2 < sx || sx2 / 2 > sx)
12966   {
12967     dx = (sx2 / 2 < sx ? 0 : 1);
12968     sx2 = sx * 2 + dx;
12969   }
12970   if (sy2 / 2 < sy || sy2 / 2 > sy)
12971   {
12972     dy = (sy2 / 2 < sy ? 0 : 1);
12973     sy2 = sy * 2 + dy;
12974   }
12975
12976   if (button_release_event)
12977   {
12978     last_sx = -1;
12979     last_sy = -1;
12980     last_sx2 = -1;
12981     last_sy2 = -1;
12982   }
12983   else if (!button_press_event)
12984   {
12985     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
12986     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
12987                              isHiresTileElement(old_element) &&
12988                              isHiresDrawElement(new_element));
12989
12990     // prevent handling events for every pixel position when moving mouse
12991     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
12992         (sx2 == last_sx2 && sy2 == last_sy2))
12993       return;
12994   }
12995
12996   last_sx = sx;
12997   last_sy = sy;
12998   last_sx2 = sx2;
12999   last_sy2 = sy2;
13000
13001   if (button_press_event)
13002     started_inside_drawing_area = inside_drawing_area;
13003
13004   if (!started_inside_drawing_area)
13005     return;
13006
13007   if (!IS_VALID_BUTTON(button))
13008     return;
13009
13010   if (!button && !button_release_event)
13011     return;
13012
13013   // handle info callback for each invocation of action callback
13014   gi->callback_info(gi);
13015
13016   // automatically switch to 'single item' drawing mode, if needed
13017   actual_drawing_function =
13018     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
13019      drawing_function : GADGET_ID_SINGLE_ITEMS);
13020
13021   // clicking into drawing area with pressed Control key picks element
13022   if (GetKeyModState() & KMOD_Control)
13023   {
13024     last_drawing_function = drawing_function;
13025     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13026   }
13027
13028   if (GetKeyModState() & KMOD_Shift)
13029   {
13030     if (button_press_event || button_release_event)
13031       ResetIntelliDraw();
13032   }
13033
13034   SetDrawModeHiRes(-1);         // reset to normal draw mode
13035
13036   switch (actual_drawing_function)
13037   {
13038     case GADGET_ID_SINGLE_ITEMS:
13039       if (draw_level)
13040       {
13041         if (button_release_event)
13042         {
13043           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13044
13045           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
13046               !inside_drawing_area)
13047             DeleteBrushFromCursor();
13048         }
13049
13050         if (!button || button_release_event)
13051           break;
13052
13053         if (draw_with_brush)
13054         {
13055           CopyBrushToLevel(sx, sy, button);
13056         }
13057         else
13058         {
13059           SetDrawModeHiRes(new_element);
13060
13061           if (IS_PLAYER_ELEMENT(new_element))
13062           {
13063             // remove player at old position
13064             for (y = 0; y < lev_fieldy; y++)
13065             {
13066               for (x = 0; x < lev_fieldx; x++)
13067               {
13068                 int old_element = Tile[x][y];
13069
13070                 if (IS_PLAYER_ELEMENT(old_element))
13071                 {
13072                   int replaced_with_element =
13073                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
13074                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
13075
13076                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
13077                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
13078
13079                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
13080                      old_element == EL_PLAYER_1 ? EL_EMPTY :
13081
13082                      new_element >= EL_PLAYER_1 &&
13083                      new_element <= EL_PLAYER_4 &&
13084                      new_element == old_element ? EL_EMPTY :
13085
13086                      old_element);
13087
13088                   SetElement(x, y, replaced_with_element);
13089                 }
13090               }
13091             }
13092           }
13093
13094           SetElementButton(lx, ly, dx, dy, new_element, button);
13095         }
13096       }
13097       else if (!button_release_event)
13098       {
13099         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13100
13101         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
13102           DrawMiniGraphicExt(drawto,
13103                              gi->x + sx * MINI_TILEX,
13104                              gi->y + sy * MINI_TILEY,
13105                              el2edimg(new_element));
13106         else
13107           DrawFixedGraphicExt(drawto,
13108                               gi->x + sx * TILEX,
13109                               gi->y + sy * TILEY,
13110                               el2edimg(new_element), 0);
13111
13112         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13113           new_element = GFX_ELEMENT(new_element);
13114
13115         drawingarea_info[type_id].value[pos] = new_element;
13116
13117         CopyElementPropertiesToGame(properties_element);
13118
13119         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13120         {
13121           UpdateCustomElementGraphicGadgets();
13122
13123           FrameCounter = 0;     // restart animation frame counter
13124         }
13125       }
13126       break;
13127
13128     case GADGET_ID_CONNECTED_ITEMS:
13129       {
13130         static int last_sx = -1;
13131         static int last_sy = -1;
13132
13133         if (button_release_event)
13134           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13135
13136         if (button)
13137         {
13138           SetDrawModeHiRes(new_element);
13139
13140           if (getDrawModeHiRes())
13141           {
13142             sx = sx2;
13143             sy = sy2;
13144           }
13145
13146           if (!button_press_event)
13147             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
13148
13149           last_sx = sx;
13150           last_sy = sy;
13151         }
13152       }
13153       break;
13154
13155     case GADGET_ID_LINE:
13156     case GADGET_ID_ARC:
13157     case GADGET_ID_RECTANGLE:
13158     case GADGET_ID_FILLED_BOX:
13159       SetDrawModeHiRes(new_element);
13160
13161       if (getDrawModeHiRes())
13162       {
13163         sx = sx2;
13164         sy = sy2;
13165       }
13166       // FALLTHROUGH
13167     case GADGET_ID_GRAB_BRUSH:
13168     case GADGET_ID_TEXT:
13169       {
13170         static int last_sx = -1;
13171         static int last_sy = -1;
13172         static int start_sx = -1;
13173         static int start_sy = -1;
13174         void (*draw_func)(int, int, int, int, int, boolean);
13175
13176         if (drawing_function == GADGET_ID_LINE)
13177           draw_func = DrawLine;
13178         else if (drawing_function == GADGET_ID_ARC)
13179           draw_func = DrawArc;
13180         else if (drawing_function == GADGET_ID_RECTANGLE)
13181           draw_func = DrawBox;
13182         else if (drawing_function == GADGET_ID_FILLED_BOX)
13183           draw_func = DrawFilledBox;
13184         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
13185           draw_func = SelectArea;
13186         else // (drawing_function == GADGET_ID_TEXT)
13187           draw_func = SetTextCursor;
13188
13189         if (button_press_event)
13190         {
13191           draw_func(sx, sy, sx, sy, new_element, FALSE);
13192           start_sx = last_sx = sx;
13193           start_sy = last_sy = sy;
13194
13195           if (drawing_function == GADGET_ID_TEXT)
13196             DrawLevelText(0, 0, 0, TEXT_END);
13197         }
13198         else if (button_release_event)
13199         {
13200           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
13201           if (drawing_function == GADGET_ID_GRAB_BRUSH)
13202           {
13203             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
13204             CopyBrushToCursor(sx, sy);
13205             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13206                           MB_LEFTBUTTON);
13207             draw_with_brush = TRUE;
13208           }
13209           else if (drawing_function == GADGET_ID_TEXT)
13210             DrawLevelText(sx, sy, 0, TEXT_INIT);
13211           else
13212             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13213         }
13214         else if (last_sx != sx || last_sy != sy)
13215         {
13216           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
13217           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
13218             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
13219           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
13220           last_sx = sx;
13221           last_sy = sy;
13222         }
13223       }
13224       break;
13225
13226     case GADGET_ID_FLOOD_FILL:
13227       if (button_press_event && Tile[lx][ly] != new_element)
13228       {
13229         if (IS_MM_WALL_EDITOR(new_element))
13230           FloodFillWall_MM(sx2, sy2, new_element);
13231         else
13232           FloodFill(lx, ly, new_element);
13233
13234         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13235         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13236       }
13237       break;
13238
13239     case GADGET_ID_PICK_ELEMENT:
13240       if (button_release_event)
13241         ClickOnGadget(level_editor_gadget[last_drawing_function],
13242                       MB_LEFTBUTTON);
13243       else if (draw_level)
13244         PickDrawingElement(button, Tile[lx][ly]);
13245       else
13246       {
13247         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13248
13249         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
13250       }
13251
13252     default:
13253       break;
13254   }
13255
13256   // do not mark level as modified for certain non-level-changing gadgets
13257   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
13258        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
13259       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
13260       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13261     return;
13262
13263   level.changed = TRUE;
13264 }
13265
13266 static void HandleCounterButtons(struct GadgetInfo *gi)
13267 {
13268   int gadget_id = gi->custom_id;
13269   int counter_id = gi->custom_type_id;
13270   int button = gi->event.button;
13271   int *counter_value = counterbutton_info[counter_id].value;
13272   int step = BUTTON_STEPSIZE(button) *
13273     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
13274
13275   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13276   {
13277     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
13278     boolean released = (gi->event.type == GD_EVENT_RELEASED);
13279     boolean level_changed = LevelChanged();
13280
13281     if ((level_changed && pressed) || (!level_changed && released))
13282       return;
13283
13284     if (level_changed && !Request("Level has changed! Discard changes?",
13285                                   REQ_ASK))
13286     {
13287       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13288         ModifyEditorCounterValue(counter_id, *counter_value);
13289
13290       return;
13291     }
13292   }
13293
13294   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13295     *counter_value = gi->textinput.number_value;
13296   else
13297     ModifyEditorCounterValue(counter_id, *counter_value + step);
13298
13299   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13300   {
13301     int last_game_engine_type = level.game_engine_type;
13302
13303     LoadLevel(level_nr);
13304     LoadScore(level_nr);
13305
13306     SaveLevelSetup_SeriesInfo();
13307
13308     TapeErase();
13309
13310     ResetUndoBuffer();
13311     DrawEditModeWindow();
13312
13313     if (level.game_engine_type != last_game_engine_type)
13314     {
13315       // update element selection list
13316       ReinitializeElementList();
13317       ModifyEditorElementList();
13318     }
13319
13320     return;
13321   }
13322
13323   switch (counter_id)
13324   {
13325     case ED_COUNTER_ID_YAMYAM_CONTENT:
13326       DrawYamYamContentAreas();
13327       break;
13328
13329     case ED_COUNTER_ID_BALL_CONTENT:
13330       DrawMagicBallContentAreas();
13331       break;
13332
13333     case ED_COUNTER_ID_ANDROID_CONTENT:
13334       DrawAndroidElementArea(properties_element);
13335       break;
13336
13337     case ED_COUNTER_ID_GROUP_CONTENT:
13338       DrawGroupElementArea(properties_element);
13339       CopyGroupElementPropertiesToGame(properties_element);
13340       break;
13341
13342     case ED_COUNTER_ID_INVENTORY_SIZE:
13343       DrawPlayerInitialInventoryArea(properties_element);
13344       break;
13345
13346     case ED_COUNTER_ID_ENVELOPE_XSIZE:
13347     case ED_COUNTER_ID_ENVELOPE_YSIZE:
13348       DrawEnvelopeTextArea(-1);
13349       break;
13350
13351     case ED_COUNTER_ID_LEVEL_XSIZE:
13352     case ED_COUNTER_ID_LEVEL_YSIZE:
13353       lev_fieldx = level.fieldx;
13354       lev_fieldy = level.fieldy;
13355
13356       // check if resizing of level results in change of border border
13357       SetBorderElement();
13358
13359       break;
13360
13361     default:
13362       break;
13363   }
13364
13365   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
13366        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
13367       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
13368        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
13369     CopyElementPropertiesToGame(properties_element);
13370
13371   // do not mark level as modified for certain non-level-changing gadgets
13372   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
13373        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
13374       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
13375        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
13376     return;
13377
13378   level.changed = TRUE;
13379 }
13380
13381 static void HandleTextInputGadgets(struct GadgetInfo *gi)
13382 {
13383   int type_id = gi->custom_type_id;
13384
13385   strcpy(textinput_info[type_id].value, gi->textinput.value);
13386
13387   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
13388   {
13389     CopyElementPropertiesToGame(properties_element);
13390
13391     ModifyEditorElementList();  // update changed button info text
13392   }
13393
13394   // do not mark level as modified for certain non-level-changing gadgets
13395   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
13396       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
13397     return;
13398
13399   level.changed = TRUE;
13400 }
13401
13402 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
13403 {
13404   int type_id = gi->custom_type_id;
13405
13406   strncpy(textarea_info[type_id].value, gi->textarea.value,
13407           MAX_ENVELOPE_TEXT_LEN);
13408   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
13409
13410   level.changed = TRUE;
13411 }
13412
13413 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
13414 {
13415   int type_id = gi->custom_type_id;
13416   int value_old = *selectbox_info[type_id].value;
13417   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
13418
13419   *selectbox_info[type_id].value = value_new;
13420
13421   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
13422   {
13423     DrawLevelInfoWindow();
13424   }
13425   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13426   {
13427     element_info[properties_element].current_change_page = gi->selectbox.index;
13428
13429     DrawPropertiesWindow();
13430   }
13431   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
13432             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
13433            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
13434             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
13435            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
13436   {
13437     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
13438     {
13439       // when changing action type, also check action mode and action arg
13440       if (value_old != value_new)
13441         setSelectboxSpecialActionVariablesIfNeeded();
13442
13443       DrawPropertiesChange();
13444     }
13445
13446     CopyElementPropertiesToGame(properties_element);
13447   }
13448   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
13449   {
13450     // update element selection list
13451     ReinitializeElementList();
13452     ModifyEditorElementList();
13453   }
13454
13455   // do not mark level as modified for certain non-level-changing gadgets
13456   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
13457       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13458     return;
13459
13460   level.changed = TRUE;
13461 }
13462
13463 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
13464 {
13465   int type_id = gi->custom_type_id;
13466   int i;
13467
13468   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
13469       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
13470   {
13471     edit_mode_levelinfo = gi->custom_type_id;
13472
13473     DrawLevelInfoWindow();
13474   }
13475   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
13476            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
13477   {
13478     edit_mode_properties = gi->custom_type_id;
13479
13480     DrawPropertiesWindow();
13481   }
13482   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
13483            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
13484   {
13485     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
13486
13487     // backup original "level.field" (needed to track playfield changes)
13488     CopyPlayfield(level.field, TileBackup);
13489
13490     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
13491     CopyPlayfield(Tile, level.field);
13492
13493     if (new_template ||
13494         Request("Save this template and kill the old?", REQ_ASK))
13495       SaveLevelTemplate();
13496
13497     if (new_template)
13498       Request("Template saved!", REQ_CONFIRM);
13499
13500     // restore original "level.field" (needed to track playfield changes)
13501     CopyPlayfield(TileBackup, level.field);
13502   }
13503   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
13504   {
13505     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
13506
13507     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
13508         leveldir_current->readonly)
13509     {
13510       Request("This level set is read-only!", REQ_CONFIRM);
13511
13512       return;
13513     }
13514
13515     if (strEqual(levelset_name, ""))
13516     {
13517       Request("Please enter level set title!", REQ_CONFIRM);
13518
13519       return;
13520     }
13521
13522     if (strEqual(levelset_author, ""))
13523     {
13524       Request("Please enter level set author!", REQ_CONFIRM);
13525
13526       return;
13527     }
13528
13529     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
13530     {
13531       if (UpdateUserLevelSet(levelset_subdir,
13532                              levelset_name,
13533                              levelset_author,
13534                              levelset_num_levels))
13535       {
13536         Request("Level set updated!", REQ_CONFIRM);
13537       }
13538       else
13539       {
13540         Request("Updating level set failed!", REQ_CONFIRM);
13541       }
13542     }
13543     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
13544     {
13545       if (level.changed && !Request("Level has changed! Discard changes?",
13546                                      REQ_ASK))
13547         return;
13548
13549       if (CreateUserLevelSet(levelset_subdir,
13550                              levelset_name,
13551                              levelset_author,
13552                              levelset_num_levels,
13553                              levelset_use_levelset_artwork))
13554       {
13555         if (levelset_copy_level_template)
13556           CopyLevelTemplateToUserLevelSet(levelset_subdir);
13557
13558         Request("New level set created!", REQ_CONFIRM);
13559
13560         AddUserLevelSetToLevelInfo(levelset_subdir);
13561         ChangeEditorToLevelSet(levelset_subdir);
13562       }
13563       else
13564       {
13565         Request("Creating new level set failed!", REQ_CONFIRM);
13566       }
13567     }
13568   }
13569   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
13570            custom_element.num_change_pages < MAX_CHANGE_PAGES)
13571   {
13572     struct ElementInfo *ei = &element_info[properties_element];
13573
13574     // when modifying custom element, ask for copying level template
13575     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13576       return;
13577
13578     setElementChangePages(ei, ei->num_change_pages + 1);
13579
13580     // set new change page to be new current change page
13581     ei->current_change_page = ei->num_change_pages - 1;
13582     ei->change = &ei->change_page[ei->current_change_page];
13583
13584     setElementChangeInfoToDefaults(ei->change);
13585
13586     DrawPropertiesWindow();
13587
13588     level.changed = TRUE;
13589   }
13590   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
13591            custom_element.num_change_pages > MIN_CHANGE_PAGES)
13592   {
13593     struct ElementInfo *ei = &element_info[properties_element];
13594
13595     // when modifying custom element, ask for copying level template
13596     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13597       return;
13598
13599     // copy all change pages after change page to be deleted
13600     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
13601       ei->change_page[i] = ei->change_page[i + 1];
13602
13603     setElementChangePages(ei, ei->num_change_pages - 1);
13604
13605     DrawPropertiesWindow();
13606
13607     level.changed = TRUE;
13608   }
13609 }
13610
13611 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
13612 {
13613   int type_id = gi->custom_type_id;
13614
13615   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
13616       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
13617   {
13618     struct ElementInfo *ei = &element_info[properties_element];
13619     int step = BUTTON_STEPSIZE(gi->event.button);
13620
13621     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
13622     ei->current_change_page += step;
13623
13624     if (ei->current_change_page < 0)
13625       ei->current_change_page = 0;
13626     else if (ei->current_change_page >= ei->num_change_pages)
13627       ei->current_change_page = ei->num_change_pages - 1;
13628
13629     DrawPropertiesWindow();
13630   }
13631   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
13632            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13633   {
13634     struct ElementInfo *ei = &element_info[properties_element];
13635     int current_change_page = ei->current_change_page;
13636
13637     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
13638     {
13639       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
13640         ei->change_page[current_change_page];
13641     }
13642     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13643     {
13644       // when modifying custom element, ask for copying level template
13645       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13646         return;
13647
13648       ei->change_page[current_change_page] =
13649         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
13650
13651       level.changed = TRUE;
13652     }
13653
13654     DrawPropertiesWindow();
13655   }
13656 }
13657
13658 static void HandleRadiobuttons(struct GadgetInfo *gi)
13659 {
13660   int type_id = gi->custom_type_id;
13661
13662   *radiobutton_info[type_id].value =
13663     radiobutton_info[type_id].checked_value;
13664
13665   // do not mark level as modified for certain non-level-changing gadgets
13666   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
13667       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
13668     return;
13669
13670   level.changed = TRUE;
13671 }
13672
13673 static void HandleCheckbuttons(struct GadgetInfo *gi)
13674 {
13675   int type_id = gi->custom_type_id;
13676
13677   *checkbutton_info[type_id].value ^= TRUE;
13678
13679   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
13680       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
13681       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
13682       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
13683          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
13684         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
13685          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
13686        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
13687   {
13688     CopyElementPropertiesToGame(properties_element);
13689   }
13690
13691   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
13692   {
13693     UpdateCustomElementGraphicGadgets();
13694   }
13695   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
13696            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
13697   {
13698     boolean template_related_changes_found = FALSE;
13699     int i;
13700
13701     // check if any custom or group elements have been changed
13702     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13703       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
13704           element_info[i].modified_settings)
13705         template_related_changes_found = TRUE;
13706
13707     if (level.use_custom_template &&
13708         !fileExists(getGlobalLevelTemplateFilename()))
13709     {
13710       Request("No level template found!", REQ_CONFIRM);
13711
13712       level.use_custom_template = FALSE;
13713
13714       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13715
13716       return;
13717     }
13718
13719     if (level.use_custom_template &&
13720         template_related_changes_found &&
13721         !Request("Discard changes and use level template?", REQ_ASK))
13722     {
13723       level.use_custom_template = FALSE;
13724
13725       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13726
13727       return;
13728     }
13729
13730     if (!level.use_custom_template &&
13731         Request("Copy settings from level template?", REQ_ASK))
13732     {
13733       return;
13734     }
13735
13736     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
13737
13738     DrawEditModeWindow();
13739   }
13740   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
13741   {
13742     if (setup.editor.use_template_for_new_levels &&
13743         !fileExists(getGlobalLevelTemplateFilename()))
13744     {
13745       Request("No level template found!", REQ_CONFIRM);
13746
13747       return;
13748     }
13749
13750     if (setup.editor.use_template_for_new_levels &&
13751         level.changed &&
13752         !Request("Discard level and load template?", REQ_ASK))
13753     {
13754       return;
13755     }
13756
13757     if (!setup.editor.use_template_for_new_levels &&
13758         level.changed &&
13759         !Request("Discard level and use empty level?", REQ_ASK))
13760     {
13761       return;
13762     }
13763
13764     LoadLevel(level_nr);
13765     LoadScore(level_nr);
13766
13767     TapeErase();
13768
13769     ResetUndoBuffer();
13770     DrawEditModeWindow();
13771   }
13772   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13773   {
13774     SetAutomaticNumberOfGemsNeeded();
13775   }
13776
13777   // do not mark level as modified for certain non-level-changing gadgets
13778   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
13779        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
13780       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13781        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
13782        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
13783       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13784     return;
13785
13786   level.changed = TRUE;
13787 }
13788
13789 static void HandleControlButtons(struct GadgetInfo *gi)
13790 {
13791   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13792   static int last_edit_mode = ED_MODE_DRAWING;
13793   static int last_custom_copy_mode = -1;
13794   static int last_button = 0;
13795   int id = gi->custom_id;
13796   int button = gi->event.button;
13797   int step = BUTTON_STEPSIZE(button);
13798   int new_element = BUTTON_ELEMENT(button);
13799   int last_properties_element = properties_element;
13800   int x, y;
13801
13802   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13803     DrawLevelText(0, 0, 0, TEXT_END);
13804
13805   if (id < ED_NUM_CTRL1_BUTTONS &&
13806       id != GADGET_ID_SINGLE_ITEMS &&
13807       id != GADGET_ID_PICK_ELEMENT &&
13808       edit_mode != ED_MODE_DRAWING &&
13809       drawing_function != GADGET_ID_PICK_ELEMENT &&
13810       !(GetKeyModState() & KMOD_Control))
13811     ChangeEditModeWindow(ED_MODE_DRAWING);
13812
13813   // element copy mode active, but no element button pressed => deactivate
13814   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13815     last_custom_copy_mode = -1;
13816
13817   // when showing palette on element buttons, change element of button used
13818   if (editor.palette.show_on_element_buttons &&
13819       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13820   {
13821     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13822
13823     id = GADGET_ID_PALETTE;
13824   }
13825
13826   switch (id)
13827   {
13828     case GADGET_ID_SCROLL_LEFT:
13829       if (level_xpos >= 0)
13830       {
13831         if (lev_fieldx < ed_fieldx - 2)
13832           break;
13833
13834         level_xpos -= step;
13835         if (level_xpos < -1)
13836           level_xpos = -1;
13837         if (button == 1)
13838           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13839         else
13840           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13841
13842         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13843                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13844       }
13845       break;
13846
13847     case GADGET_ID_SCROLL_RIGHT:
13848       if (level_xpos <= lev_fieldx - ed_fieldx)
13849       {
13850         if (lev_fieldx < ed_fieldx - 2)
13851           break;
13852
13853         level_xpos += step;
13854         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13855           level_xpos = lev_fieldx - ed_fieldx + 1;
13856         if (button == 1)
13857           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13858         else
13859           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13860
13861         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13862                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13863       }
13864       break;
13865
13866     case GADGET_ID_SCROLL_UP:
13867       if (level_ypos >= 0)
13868       {
13869         if (lev_fieldy < ed_fieldy - 2)
13870           break;
13871
13872         level_ypos -= step;
13873         if (level_ypos < -1)
13874           level_ypos = -1;
13875         if (button == 1)
13876           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13877         else
13878           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13879
13880         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13881                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13882       }
13883       break;
13884
13885     case GADGET_ID_SCROLL_DOWN:
13886       if (level_ypos <= lev_fieldy - ed_fieldy)
13887       {
13888         if (lev_fieldy < ed_fieldy - 2)
13889           break;
13890
13891         level_ypos += step;
13892         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13893           level_ypos = lev_fieldy - ed_fieldy + 1;
13894         if (button == 1)
13895           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13896         else
13897           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13898
13899         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13900                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13901       }
13902       break;
13903
13904     case GADGET_ID_SCROLL_HORIZONTAL:
13905       level_xpos = gi->event.item_position - 1;
13906
13907       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13908       BackToFront();
13909
13910       break;
13911
13912     case GADGET_ID_SCROLL_VERTICAL:
13913       level_ypos = gi->event.item_position - 1;
13914
13915       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13916       BackToFront();
13917
13918       break;
13919
13920     case GADGET_ID_SCROLL_LIST_UP:
13921     case GADGET_ID_SCROLL_LIST_DOWN:
13922     case GADGET_ID_SCROLL_LIST_VERTICAL:
13923       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13924         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13925       else
13926       {
13927         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13928         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13929
13930         if (element_shift < 0)
13931           element_shift = 0;
13932         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13933           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13934
13935         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13936                      GDI_SCROLLBAR_ITEM_POSITION,
13937                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13938       }
13939
13940       ModifyEditorElementList();
13941
13942       break;
13943
13944     case GADGET_ID_PROPERTIES:
13945       // always switch off element properties when they are already displayed
13946       last_properties_element = new_element;
13947     case GADGET_ID_ELEMENT_LEFT:
13948     case GADGET_ID_ELEMENT_MIDDLE:
13949     case GADGET_ID_ELEMENT_RIGHT:
13950       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13951                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13952                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13953                             new_element);
13954
13955       if (edit_mode != ED_MODE_PROPERTIES)
13956       {
13957         last_edit_mode = edit_mode;
13958
13959         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13960
13961         last_level_drawing_function = drawing_function;
13962         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13963                       MB_LEFTBUTTON);
13964       }
13965       else if (properties_element != last_properties_element)
13966       {
13967         DrawEditModeWindow();
13968       }
13969       else
13970       {
13971         ChangeEditModeWindow(ED_MODE_DRAWING);
13972
13973         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13974                       MB_LEFTBUTTON);
13975       }
13976       break;
13977
13978     case GADGET_ID_PALETTE:
13979       if (edit_mode != ED_MODE_PALETTE)
13980       {
13981         last_edit_mode = edit_mode;
13982
13983         ChangeEditModeWindow(ED_MODE_PALETTE);
13984       }
13985       else
13986       {
13987         ChangeEditModeWindow(last_edit_mode);
13988       }
13989       break;
13990
13991     case GADGET_ID_WRAP_LEFT:
13992       WrapLevel(-step, 0);
13993       break;
13994
13995     case GADGET_ID_WRAP_RIGHT:
13996       WrapLevel(step, 0);
13997       break;
13998
13999     case GADGET_ID_WRAP_UP:
14000       WrapLevel(0, -step);
14001       break;
14002
14003     case GADGET_ID_WRAP_DOWN:
14004       WrapLevel(0, step);
14005       break;
14006
14007     case GADGET_ID_SINGLE_ITEMS:
14008     case GADGET_ID_CONNECTED_ITEMS:
14009     case GADGET_ID_LINE:
14010     case GADGET_ID_ARC:
14011     case GADGET_ID_TEXT:
14012     case GADGET_ID_RECTANGLE:
14013     case GADGET_ID_FILLED_BOX:
14014     case GADGET_ID_FLOOD_FILL:
14015     case GADGET_ID_GRAB_BRUSH:
14016     case GADGET_ID_PICK_ELEMENT:
14017       if (drawing_function != GADGET_ID_PICK_ELEMENT)
14018         last_drawing_function = drawing_function;
14019       drawing_function = id;
14020       draw_with_brush = FALSE;
14021       break;
14022
14023     case GADGET_ID_RANDOM_PLACEMENT:
14024       RandomPlacement(new_element);
14025       break;
14026
14027     case GADGET_ID_ZOOM:
14028       // zoom level editor tile size in or out (or reset to default size)
14029       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
14030                      button == 2 ? ed_tilesize_default :
14031                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
14032
14033       // when using touch device, cycle through all zoom tilesizes
14034       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
14035         ed_tilesize = MICRO_TILESIZE;
14036
14037       // limit zoom level by upper and lower bound
14038       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
14039
14040       InitZoomLevelSettings(ed_tilesize);
14041
14042       if (edit_mode == ED_MODE_DRAWING)
14043       {
14044         DrawDrawingWindow();
14045
14046         // redraw zoom gadget info text
14047         PrintEditorGadgetInfoText(level_editor_gadget[id]);
14048       }
14049
14050       // save current editor zoom tilesize
14051       SaveSetup_AutoSetup();
14052
14053       break;
14054
14055     case GADGET_ID_CUSTOM_COPY_FROM:
14056     case GADGET_ID_CUSTOM_COPY_TO:
14057     case GADGET_ID_CUSTOM_EXCHANGE:
14058       last_custom_copy_mode = id;
14059       last_drawing_function = drawing_function;
14060       break;
14061
14062     case GADGET_ID_CUSTOM_COPY:
14063       CopyCustomElement(properties_element, -1, id);
14064       break;
14065
14066     case GADGET_ID_CUSTOM_PASTE:
14067       CopyCustomElement(-1, properties_element, id);
14068       break;
14069
14070     case GADGET_ID_UNDO:
14071       if (button < 0)   // keep button value (even if modifier keys are pressed)
14072         button = -button;
14073       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
14074         button = 3;
14075
14076       if (button == 1 && undo_buffer_steps == 0)
14077       {
14078         Request("Undo buffer empty!", REQ_CONFIRM);
14079
14080         break;
14081       }
14082       else if (button == 2)
14083       {
14084         break;
14085       }
14086       else if (button == 3 && redo_buffer_steps == 0)
14087       {
14088         Request("Redo buffer empty!", REQ_CONFIRM);
14089
14090         break;
14091       }
14092
14093       if (edit_mode != ED_MODE_DRAWING)
14094         ChangeEditModeWindow(ED_MODE_DRAWING);
14095
14096       if (button == 1)
14097       {
14098         // undo
14099
14100         undo_buffer_position =
14101           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
14102
14103         undo_buffer_steps--;
14104         redo_buffer_steps++;
14105       }
14106       else
14107       {
14108         // redo
14109
14110         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14111
14112         undo_buffer_steps++;
14113         redo_buffer_steps--;
14114       }
14115
14116       for (x = 0; x < lev_fieldx; x++)
14117         for (y = 0; y < lev_fieldy; y++)
14118           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
14119
14120       // check if undo operation forces change of border style
14121       CheckLevelBorderElement(FALSE);
14122
14123       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14124
14125       break;
14126
14127     case GADGET_ID_INFO:
14128       if (edit_mode != ED_MODE_INFO)
14129       {
14130         last_edit_mode = edit_mode;
14131
14132         ChangeEditModeWindow(ED_MODE_INFO);
14133       }
14134       else
14135       {
14136         ChangeEditModeWindow(ED_MODE_DRAWING);
14137       }
14138       break;
14139
14140     case GADGET_ID_CLEAR:
14141       if (edit_mode != ED_MODE_DRAWING)
14142         ChangeEditModeWindow(ED_MODE_DRAWING);
14143
14144       for (x = 0; x < MAX_LEV_FIELDX; x++)
14145         for (y = 0; y < MAX_LEV_FIELDY; y++)
14146           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
14147
14148       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
14149
14150       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14151       break;
14152
14153     case GADGET_ID_SAVE:
14154     {
14155       // saving read-only levels into personal level set modifies global vars
14156       // "leveldir_current" and "level_nr"; restore them after saving level
14157       LevelDirTree *leveldir_former = leveldir_current;
14158       int level_nr_former = level_nr;
14159       char *level_filename;
14160       boolean new_level;
14161
14162       if (leveldir_current->readonly &&
14163           !PrepareSavingIntoPersonalLevelSet())
14164         break;
14165
14166       level_filename = getDefaultLevelFilename(level_nr);
14167       new_level = !fileExists(level_filename);
14168
14169       if (new_level ||
14170           Request("Save this level and kill the old?", REQ_ASK))
14171       {
14172         if (leveldir_former->readonly)
14173           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
14174
14175         SetAutomaticNumberOfGemsNeeded();
14176
14177         CopyPlayfield(Tile, level.field);
14178         SaveLevel(level_nr);
14179
14180         level.changed = FALSE;
14181
14182         if (new_level)
14183         {
14184           char level_saved_msg[64];
14185
14186           if (leveldir_former->readonly)
14187             sprintf(level_saved_msg,
14188                     "Level saved as level %d into personal level set!",
14189                     level_nr);
14190           else
14191             strcpy(level_saved_msg, "Level saved!");
14192
14193           Request(level_saved_msg, REQ_CONFIRM);
14194         }
14195       }
14196
14197       // "cd" back to copied-from levelset (in case of saved read-only level)
14198       leveldir_current = leveldir_former;
14199       level_nr = level_nr_former;
14200
14201       break;
14202     }
14203
14204     case GADGET_ID_TEST:
14205       if (LevelChanged())
14206         level.game_version = GAME_VERSION_ACTUAL;
14207
14208       CopyPlayfield(level.field, TileBackup);
14209       CopyPlayfield(Tile, level.field);
14210
14211       CopyNativeLevel_RND_to_Native(&level);
14212
14213       UnmapLevelEditorGadgets();
14214       UndrawSpecialEditorDoor();
14215
14216       CloseDoor(DOOR_CLOSE_ALL);
14217
14218       // needed before playing if editor playfield area has different size
14219       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
14220
14221       // redraw_mask = REDRAW_ALL;
14222
14223       level_editor_test_game = TRUE;
14224
14225       StartGameActions(FALSE, setup.autorecord, level.random_seed);
14226
14227       break;
14228
14229     case GADGET_ID_EXIT:
14230       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
14231       break;
14232
14233     default:
14234       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
14235           id <= GADGET_ID_ELEMENTLIST_LAST)
14236       {
14237         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
14238         int new_element = editor_elements[element_position + element_shift];
14239
14240         if (IS_EDITOR_CASCADE(new_element))
14241         {
14242           int i;
14243
14244           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
14245           {
14246             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
14247             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
14248
14249             if (*cascade_element == new_element)
14250             {
14251               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
14252               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
14253
14254               // update element selection list
14255               ReinitializeElementList();
14256               ModifyEditorElementList();
14257
14258               // update cascading gadget info text
14259               PrintEditorGadgetInfoText(level_editor_gadget[id]);
14260
14261               // save current editor cascading state
14262               SaveSetup_EditorCascade();
14263
14264               break;
14265             }
14266           }
14267
14268           break;
14269         }
14270
14271         if (last_custom_copy_mode != -1)
14272         {
14273           if (CopyCustomElement(properties_element, new_element,
14274                                 last_custom_copy_mode))
14275           {
14276             ClickOnGadget(level_editor_gadget[last_drawing_function],
14277                           MB_LEFTBUTTON);
14278
14279             last_custom_copy_mode = -1;
14280           }
14281
14282           break;
14283         }
14284
14285         // change element of button used to show palette
14286         if (editor.palette.show_on_element_buttons)
14287           button = last_button;
14288
14289         PickDrawingElement(button, new_element);
14290
14291         if (!stick_element_properties_window &&
14292             drawing_function != GADGET_ID_PICK_ELEMENT &&
14293             !(GetKeyModState() & KMOD_Control))
14294         {
14295           properties_element = new_element;
14296           if (edit_mode == ED_MODE_PROPERTIES)
14297             DrawPropertiesWindow();
14298         }
14299
14300         if (drawing_function == GADGET_ID_PICK_ELEMENT)
14301           ClickOnGadget(level_editor_gadget[last_drawing_function],
14302                         MB_LEFTBUTTON);
14303
14304         if (!use_permanent_palette)
14305           ChangeEditModeWindow(last_edit_mode);
14306       }
14307 #ifdef DEBUG
14308       else if (gi->event.type == GD_EVENT_PRESSED)
14309         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
14310       else if (gi->event.type == GD_EVENT_RELEASED)
14311         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
14312       else if (gi->event.type == GD_EVENT_MOVING)
14313         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
14314       else
14315         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
14316 #endif
14317       break;
14318   }
14319 }
14320
14321 void HandleLevelEditorKeyInput(Key key)
14322 {
14323   char letter = getCharFromKey(key);
14324
14325   if (drawing_function == GADGET_ID_TEXT &&
14326       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
14327   {
14328     if (letter)
14329       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
14330     else if (key == KSYM_Delete || key == KSYM_BackSpace)
14331       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
14332     else if (key == KSYM_Return)
14333       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
14334     else if (key == KSYM_Escape)
14335       DrawLevelText(0, 0, 0, TEXT_END);
14336
14337     return;
14338   }
14339
14340   int id = GADGET_ID_NONE;
14341   int new_element_shift = element_shift;
14342   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
14343   int button = MB_LEFTBUTTON;
14344   int i;
14345
14346   switch (key)
14347   {
14348     case KSYM_Left:
14349       id = GADGET_ID_SCROLL_LEFT;
14350       break;
14351     case KSYM_Right:
14352       id = GADGET_ID_SCROLL_RIGHT;
14353       break;
14354     case KSYM_Up:
14355       id = GADGET_ID_SCROLL_UP;
14356       break;
14357     case KSYM_Down:
14358       id = GADGET_ID_SCROLL_DOWN;
14359       break;
14360
14361     case KSYM_Page_Up:
14362     case KSYM_Page_Down:
14363       step *= (key == KSYM_Page_Up ? -1 : +1);
14364       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
14365
14366       if (element_shift < 0)
14367         element_shift = 0;
14368       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14369         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14370
14371       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14372                    GDI_SCROLLBAR_ITEM_POSITION,
14373                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14374
14375       ModifyEditorElementList();
14376
14377       break;
14378
14379     case KSYM_Home:
14380     case KSYM_End:
14381       element_shift = (key == KSYM_Home ? 0 :
14382                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
14383
14384       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14385                    GDI_SCROLLBAR_ITEM_POSITION,
14386                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14387
14388       ModifyEditorElementList();
14389
14390       break;
14391
14392     case KSYM_Insert:
14393     case KSYM_Delete:
14394
14395       // this is needed to prevent interference with running "True X-Mouse"
14396       if (GetKeyModStateFromEvents() & KMOD_Control)
14397         break;
14398
14399       // check for last or next editor cascade block in element list
14400       for (i = 0; i < num_editor_elements; i++)
14401       {
14402         if ((key == KSYM_Insert && i == element_shift) ||
14403             (key == KSYM_Delete && new_element_shift > element_shift))
14404           break;
14405
14406         // jump to next cascade block (or to start of element list)
14407         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
14408           new_element_shift = i;
14409       }
14410
14411       if (i < num_editor_elements)
14412         element_shift = new_element_shift;
14413
14414       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14415         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14416
14417       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14418                    GDI_SCROLLBAR_ITEM_POSITION,
14419                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14420
14421       ModifyEditorElementList();
14422
14423       break;
14424
14425     case KSYM_Escape:
14426       if (edit_mode == ED_MODE_DRAWING)
14427         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
14428       else if (edit_mode == ED_MODE_INFO)
14429         HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
14430       else if (edit_mode == ED_MODE_PROPERTIES)
14431         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
14432       else if (edit_mode == ED_MODE_PALETTE)
14433         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
14434       else              // should never happen
14435         ChangeEditModeWindow(ED_MODE_DRAWING);
14436
14437       break;
14438
14439     default:
14440       break;
14441   }
14442
14443   if (id != GADGET_ID_NONE)
14444     ClickOnGadget(level_editor_gadget[id], button);
14445   else if (letter == '1' || letter == '?')
14446     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
14447   else if (letter == '2')
14448     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
14449   else if (letter == '3')
14450     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
14451   else if (letter == '.')
14452     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
14453   else if (letter == 'U')
14454     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14455   else if (letter == '-' || key == KSYM_KP_Subtract)
14456     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
14457   else if (letter == '0' || key == KSYM_KP_0)
14458     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
14459   else if (letter == '+' || key == KSYM_KP_Add ||
14460            letter == '=')       // ("Shift-=" is "+" on US keyboards)
14461     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
14462   else if (key == KSYM_Return ||
14463            key == KSYM_space ||
14464            key == setup.shortcut.toggle_pause)
14465     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
14466   else
14467     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
14468       if (letter && letter == controlbutton_info[i].shortcut)
14469         if (!anyTextGadgetActive())
14470           ClickOnGadget(level_editor_gadget[i], button);
14471 }
14472
14473 static void HandleLevelEditorIdle_Properties(void)
14474 {
14475   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
14476   int x = editor.settings.element_graphic.x + element_border;
14477   int y = editor.settings.element_graphic.y + element_border;
14478   static unsigned int action_delay = 0;
14479   unsigned int action_delay_value = GameFrameDelay;
14480   int i;
14481
14482   if (!DelayReached(&action_delay, action_delay_value))
14483     return;
14484
14485   for (i = 0; i < ED_NUM_SELECTBOX; i++)
14486   {
14487     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
14488
14489     if (gi->mapped && gi->active && gi->selectbox.open)
14490       return;
14491   }
14492
14493   DrawEditorElementAnimation(SX + x, SY + y);
14494
14495   redraw_mask |= REDRAW_FIELD;
14496
14497   FrameCounter++;       // increase animation frame counter
14498 }
14499
14500 static void HandleLevelEditorIdle_Drawing(void)
14501 {
14502   static boolean last_highlighted = FALSE;
14503   boolean highlighted = (GetKeyModState() & KMOD_Alt);
14504
14505   if (highlighted != last_highlighted)
14506   {
14507     DrawAreaElementHighlight(highlighted);
14508
14509     last_highlighted = highlighted;
14510
14511     redraw_mask |= REDRAW_FIELD;
14512   }
14513 }
14514
14515 void HandleLevelEditorIdle(void)
14516 {
14517   if (edit_mode == ED_MODE_PROPERTIES)
14518     HandleLevelEditorIdle_Properties();
14519   else if (edit_mode == ED_MODE_DRAWING)
14520     HandleLevelEditorIdle_Drawing();
14521 }
14522
14523 static void ClearEditorGadgetInfoText(void)
14524 {
14525   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
14526 }
14527
14528 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
14529 {
14530   char infotext[MAX_OUTPUT_LINESIZE + 1];
14531   char shortcut[MAX_OUTPUT_LINESIZE + 1];
14532   int max_infotext_len = getMaxInfoTextLength();
14533
14534   if (gi == NULL || strlen(gi->info_text) == 0)
14535     return;
14536
14537   strncpy(infotext, gi->info_text, max_infotext_len);
14538   infotext[max_infotext_len] = '\0';
14539
14540   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
14541   {
14542     int key = controlbutton_info[gi->custom_id].shortcut;
14543
14544     if (key)
14545     {
14546       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
14547         sprintf(shortcut, " ('.' or '%c')", key);
14548       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
14549         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
14550       else if (gi->custom_id == GADGET_ID_TEST)
14551         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
14552       else if (gi->custom_id == GADGET_ID_UNDO)
14553         sprintf(shortcut, " ('%c/Shift-U')", key);
14554       else if (gi->custom_id == GADGET_ID_ZOOM)
14555         sprintf(shortcut, " ('%c', '0', '-')", key);
14556       else
14557         sprintf(shortcut, " ('%s%c')",
14558                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
14559
14560       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
14561         strcat(infotext, shortcut);
14562     }
14563   }
14564
14565   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
14566 }
14567
14568 void HandleEditorGadgetInfoText(void *ptr)
14569 {
14570   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
14571
14572   if (game_status != GAME_MODE_EDITOR)
14573     return;
14574
14575   ClearEditorGadgetInfoText();
14576
14577   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
14578     return;
14579
14580   // misuse this function to delete brush cursor, if needed
14581   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
14582     DeleteBrushFromCursor();
14583
14584   PrintEditorGadgetInfoText(gi);
14585 }
14586
14587 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
14588 {
14589   static int start_lx, start_ly;
14590   int id = gi->custom_id;
14591   int type_id = gi->custom_type_id;
14592   int sx = gi->event.x;
14593   int sy = gi->event.y;
14594   int lx = sx + level_xpos;
14595   int ly = sy + level_ypos;
14596   int min_sx = 0, min_sy = 0;
14597   int max_sx = gi->drawing.area_xsize - 1;
14598   int max_sy = gi->drawing.area_ysize - 1;
14599   int actual_drawing_function = drawing_function;
14600   int max_infotext_len = getMaxInfoTextLength();
14601   char infotext[MAX_OUTPUT_LINESIZE + 1];
14602   char *text;
14603
14604   infotext[0] = '\0';           // start with empty info text
14605
14606   // pressed Control key: simulate picking element
14607   if (GetKeyModState() & KMOD_Control)
14608     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14609
14610   ClearEditorGadgetInfoText();
14611
14612   if (gi->event.type == GD_EVENT_INFO_LEAVING)
14613     return;
14614
14615   // make sure to stay inside drawing area boundaries
14616   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14617   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14618
14619   if (id == GADGET_ID_DRAWING_LEVEL)
14620   {
14621     if (button_status)
14622     {
14623       int min_lx = 0, min_ly = 0;
14624       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14625
14626       // get positions inside level field
14627       lx = sx + level_xpos;
14628       ly = sy + level_ypos;
14629
14630       // make sure to stay inside level field boundaries
14631       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14632       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14633
14634       // correct drawing area positions accordingly
14635       sx = lx - level_xpos;
14636       sy = ly - level_ypos;
14637     }
14638
14639     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
14640     {
14641       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
14642       {
14643         if (gi->event.type == GD_EVENT_PRESSED)
14644         {
14645           start_lx = lx;
14646           start_ly = ly;
14647         }
14648
14649         switch (actual_drawing_function)
14650         {
14651           case GADGET_ID_SINGLE_ITEMS:
14652             text = "Drawing single items";
14653             break;
14654           case GADGET_ID_CONNECTED_ITEMS:
14655             text = "Drawing connected items";
14656             break;
14657           case GADGET_ID_LINE:
14658             text = "Drawing line";
14659             break;
14660           case GADGET_ID_ARC:
14661             text = "Drawing arc";
14662             break;
14663           case GADGET_ID_TEXT:
14664             text = "Setting text cursor";
14665             break;
14666           case GADGET_ID_RECTANGLE:
14667             text = "Drawing rectangle";
14668             break;
14669           case GADGET_ID_FILLED_BOX:
14670             text = "Drawing filled box";
14671             break;
14672           case GADGET_ID_FLOOD_FILL:
14673             text = "Flood fill";
14674             break;
14675           case GADGET_ID_GRAB_BRUSH:
14676             text = "Grabbing brush";
14677             break;
14678           case GADGET_ID_PICK_ELEMENT:
14679             text = "Picking element";
14680             break;
14681
14682           default:
14683             text = "Drawing position";
14684             break;
14685         }
14686
14687         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14688           sprintf(infotext, "%s: %d, %d", text, lx, ly);
14689         else
14690           sprintf(infotext, "%s: %d, %d", text,
14691                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
14692       }
14693       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14694         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
14695       else
14696         sprintf(infotext, "Level position: %d, %d", lx, ly);
14697     }
14698
14699     // misuse this function to draw brush cursor, if needed
14700     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
14701     {
14702       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14703         CopyBrushToCursor(sx, sy);
14704       else
14705         DeleteBrushFromCursor();
14706     }
14707
14708     if (!draw_with_brush)
14709       UpdateBrushPosition(sx, sy);
14710   }
14711   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14712   {
14713     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14714     int element = drawingarea_info[type_id].value[pos];
14715
14716     strncpy(infotext, getElementInfoText(element), max_infotext_len);
14717   }
14718   else
14719   {
14720     if (id == GADGET_ID_CUSTOM_CONTENT)
14721       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
14722     else if (id == GADGET_ID_GROUP_CONTENT)
14723       sprintf(infotext, "group element position: %d", sx + 1);
14724     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
14725              id <= GADGET_ID_YAMYAM_CONTENT_7)
14726       sprintf(infotext, "content area %d position: %d, %d",
14727               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
14728     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
14729              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
14730       sprintf(infotext, "content area %d position: %d, %d",
14731               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
14732     else if (id == GADGET_ID_ANDROID_CONTENT)
14733       sprintf(infotext, "android element position: %d", sx + 1);
14734     else if (drawingarea_info[type_id].infotext != NULL)
14735       strcpy(infotext, drawingarea_info[type_id].infotext);
14736   }
14737
14738   infotext[max_infotext_len] = '\0';
14739
14740   if (strlen(infotext) > 0)
14741     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
14742 }
14743
14744 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
14745                             boolean quick_quit)
14746 {
14747   if (!ask_if_level_has_changed ||
14748       !LevelChanged() ||
14749       Request("Level has changed! Exit without saving?",
14750               REQ_ASK | REQ_STAY_OPEN))
14751   {
14752     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
14753     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
14754
14755     // draw normal door
14756     UndrawSpecialEditorDoor();
14757
14758     // use door animation if door 1 viewport is unchanged and contains toolbox
14759     if (useEditorDoorAnimation())
14760       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
14761
14762     // close editor doors if viewport definition is the same as in main menu
14763     if (vp_door_1->x      == DX     &&
14764         vp_door_1->y      == DY     &&
14765         vp_door_1->width  == DXSIZE &&
14766         vp_door_1->height == DYSIZE &&
14767         vp_door_2->x      == VX     &&
14768         vp_door_2->y      == VY     &&
14769         vp_door_2->width  == VXSIZE &&
14770         vp_door_2->height == VYSIZE)
14771       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14772     else
14773       SetDoorState(DOOR_CLOSE_2);
14774
14775     BackToFront();
14776
14777     if (quick_quit)
14778       FadeSkipNextFadeIn();
14779
14780     SetGameStatus(GAME_MODE_MAIN);
14781
14782     DrawMainMenu();
14783   }
14784   else
14785   {
14786     if (!global.use_envelope_request)
14787     {
14788       CloseDoor(DOOR_CLOSE_1);
14789       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14790     }
14791   }
14792 }