src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 // ----------------------------------------------------------------------------
  29 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_COLS             MAX(1, editor.palette.cols)
  69 #define ED_ELEMENTLIST_ROWS             MAX(1, editor.palette.rows)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (ED_ELEMENTLIST_COLS)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (ED_ELEMENTLIST_ROWS)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 // standard distances
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 // values for drawingarea gadgets
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 // values for checkbutton gadgets
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 // values for element content drawing areas
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 // element content
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 // yamyam content
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 // magic ball content
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 // values for scrolling gadgets for drawing area
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 // values for scrolling gadgets for element list
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_X              (editor.settings.tooltip.x)
 350 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 351 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 352 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 353 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 354                                       SYSIZE - INFOTEXT_YSIZE)
 355
 356
 357 // ----------------------------------------------------------------------------
 358 // editor gadget definitions
 359 // ----------------------------------------------------------------------------
 360
 361 enum
 362 {
 363   GADGET_ID_NONE = -1,
 364
 365   // drawing toolbox buttons
 366
 367   GADGET_ID_SINGLE_ITEMS,
 368   GADGET_ID_CONNECTED_ITEMS,
 369   GADGET_ID_LINE,
 370   GADGET_ID_ARC,
 371   GADGET_ID_RECTANGLE,
 372   GADGET_ID_FILLED_BOX,
 373   GADGET_ID_WRAP_UP,
 374   GADGET_ID_TEXT,
 375   GADGET_ID_FLOOD_FILL,
 376   GADGET_ID_WRAP_LEFT,
 377   GADGET_ID_ZOOM,
 378   GADGET_ID_WRAP_RIGHT,
 379   GADGET_ID_RANDOM_PLACEMENT,
 380   GADGET_ID_GRAB_BRUSH,
 381   GADGET_ID_WRAP_DOWN,
 382   GADGET_ID_PICK_ELEMENT,
 383
 384   GADGET_ID_UNDO,
 385   GADGET_ID_CONF,
 386   GADGET_ID_SAVE,
 387   GADGET_ID_CLEAR,
 388   GADGET_ID_TEST,
 389   GADGET_ID_EXIT,
 390
 391   GADGET_ID_CUSTOM_COPY_FROM,
 392   GADGET_ID_CUSTOM_COPY_TO,
 393   GADGET_ID_CUSTOM_EXCHANGE,
 394   GADGET_ID_CUSTOM_COPY,
 395   GADGET_ID_CUSTOM_PASTE,
 396
 397   GADGET_ID_PROPERTIES,
 398   GADGET_ID_ELEMENT_LEFT,
 399   GADGET_ID_ELEMENT_MIDDLE,
 400   GADGET_ID_ELEMENT_RIGHT,
 401   GADGET_ID_PALETTE,
 402
 403   // counter gadget identifiers
 404
 405   GADGET_ID_SELECT_LEVEL_DOWN,
 406   GADGET_ID_SELECT_LEVEL_TEXT,
 407   GADGET_ID_SELECT_LEVEL_UP,
 408   GADGET_ID_LEVEL_XSIZE_DOWN,
 409   GADGET_ID_LEVEL_XSIZE_TEXT,
 410   GADGET_ID_LEVEL_XSIZE_UP,
 411   GADGET_ID_LEVEL_YSIZE_DOWN,
 412   GADGET_ID_LEVEL_YSIZE_TEXT,
 413   GADGET_ID_LEVEL_YSIZE_UP,
 414   GADGET_ID_LEVEL_RANDOM_DOWN,
 415   GADGET_ID_LEVEL_RANDOM_TEXT,
 416   GADGET_ID_LEVEL_RANDOM_UP,
 417   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 418   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 419   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 420   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 421   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 422   GADGET_ID_LEVEL_TIMELIMIT_UP,
 423   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 424   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 425   GADGET_ID_LEVEL_TIMESCORE_UP,
 426   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 427   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 428   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 429   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 430   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 431   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 432   GADGET_ID_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_MM_BALL_CONTENT_DOWN,
 463   GADGET_ID_MM_BALL_CONTENT_TEXT,
 464   GADGET_ID_MM_BALL_CONTENT_UP,
 465   GADGET_ID_CUSTOM_SCORE_DOWN,
 466   GADGET_ID_CUSTOM_SCORE_TEXT,
 467   GADGET_ID_CUSTOM_SCORE_UP,
 468   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 469   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 470   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 471   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 472   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 473   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 474   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 475   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 476   GADGET_ID_CUSTOM_VALUE_RND_UP,
 477   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 478   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 479   GADGET_ID_PUSH_DELAY_FIX_UP,
 480   GADGET_ID_PUSH_DELAY_RND_DOWN,
 481   GADGET_ID_PUSH_DELAY_RND_TEXT,
 482   GADGET_ID_PUSH_DELAY_RND_UP,
 483   GADGET_ID_DROP_DELAY_FIX_DOWN,
 484   GADGET_ID_DROP_DELAY_FIX_TEXT,
 485   GADGET_ID_DROP_DELAY_FIX_UP,
 486   GADGET_ID_DROP_DELAY_RND_DOWN,
 487   GADGET_ID_DROP_DELAY_RND_TEXT,
 488   GADGET_ID_DROP_DELAY_RND_UP,
 489   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 490   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 491   GADGET_ID_MOVE_DELAY_FIX_UP,
 492   GADGET_ID_MOVE_DELAY_RND_DOWN,
 493   GADGET_ID_MOVE_DELAY_RND_TEXT,
 494   GADGET_ID_MOVE_DELAY_RND_UP,
 495   GADGET_ID_STEP_DELAY_FIX_DOWN,
 496   GADGET_ID_STEP_DELAY_FIX_TEXT,
 497   GADGET_ID_STEP_DELAY_FIX_UP,
 498   GADGET_ID_STEP_DELAY_RND_DOWN,
 499   GADGET_ID_STEP_DELAY_RND_TEXT,
 500   GADGET_ID_STEP_DELAY_RND_UP,
 501   GADGET_ID_EXPLOSION_DELAY_DOWN,
 502   GADGET_ID_EXPLOSION_DELAY_TEXT,
 503   GADGET_ID_EXPLOSION_DELAY_UP,
 504   GADGET_ID_IGNITION_DELAY_DOWN,
 505   GADGET_ID_IGNITION_DELAY_TEXT,
 506   GADGET_ID_IGNITION_DELAY_UP,
 507   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 508   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 509   GADGET_ID_CHANGE_DELAY_FIX_UP,
 510   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 511   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 512   GADGET_ID_CHANGE_DELAY_RND_UP,
 513   GADGET_ID_CHANGE_CONT_RND_DOWN,
 514   GADGET_ID_CHANGE_CONT_RND_TEXT,
 515   GADGET_ID_CHANGE_CONT_RND_UP,
 516   GADGET_ID_GROUP_CONTENT_DOWN,
 517   GADGET_ID_GROUP_CONTENT_TEXT,
 518   GADGET_ID_GROUP_CONTENT_UP,
 519
 520   // drawing area identifiers
 521
 522   GADGET_ID_DRAWING_LEVEL,
 523   GADGET_ID_YAMYAM_CONTENT_0,
 524   GADGET_ID_YAMYAM_CONTENT_1,
 525   GADGET_ID_YAMYAM_CONTENT_2,
 526   GADGET_ID_YAMYAM_CONTENT_3,
 527   GADGET_ID_YAMYAM_CONTENT_4,
 528   GADGET_ID_YAMYAM_CONTENT_5,
 529   GADGET_ID_YAMYAM_CONTENT_6,
 530   GADGET_ID_YAMYAM_CONTENT_7,
 531   GADGET_ID_MAGIC_BALL_CONTENT_0,
 532   GADGET_ID_MAGIC_BALL_CONTENT_1,
 533   GADGET_ID_MAGIC_BALL_CONTENT_2,
 534   GADGET_ID_MAGIC_BALL_CONTENT_3,
 535   GADGET_ID_MAGIC_BALL_CONTENT_4,
 536   GADGET_ID_MAGIC_BALL_CONTENT_5,
 537   GADGET_ID_MAGIC_BALL_CONTENT_6,
 538   GADGET_ID_MAGIC_BALL_CONTENT_7,
 539   GADGET_ID_ANDROID_CONTENT,
 540   GADGET_ID_AMOEBA_CONTENT,
 541   GADGET_ID_START_ELEMENT,
 542   GADGET_ID_ARTWORK_ELEMENT,
 543   GADGET_ID_EXPLOSION_ELEMENT,
 544   GADGET_ID_INVENTORY_CONTENT,
 545   GADGET_ID_MM_BALL_CONTENT,
 546   GADGET_ID_CUSTOM_GRAPHIC,
 547   GADGET_ID_CUSTOM_CONTENT,
 548   GADGET_ID_CUSTOM_MOVE_ENTER,
 549   GADGET_ID_CUSTOM_MOVE_LEAVE,
 550   GADGET_ID_CUSTOM_CHANGE_TARGET,
 551   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 552   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 553   GADGET_ID_CUSTOM_CHANGE_ACTION,
 554   GADGET_ID_GROUP_CONTENT,
 555   GADGET_ID_RANDOM_BACKGROUND,
 556
 557   // text input identifiers
 558
 559   GADGET_ID_LEVEL_NAME,
 560   GADGET_ID_LEVEL_AUTHOR,
 561   GADGET_ID_LEVELSET_NAME,
 562   GADGET_ID_LEVELSET_AUTHOR,
 563   GADGET_ID_ELEMENT_NAME,
 564
 565   // text area identifiers
 566
 567   GADGET_ID_ENVELOPE_INFO,
 568
 569   // selectbox identifiers
 570
 571   GADGET_ID_TIME_OR_STEPS,
 572   GADGET_ID_TIME_SCORE_BASE,
 573   GADGET_ID_GAME_ENGINE_TYPE,
 574   GADGET_ID_LEVELSET_SAVE_MODE,
 575   GADGET_ID_WIND_DIRECTION,
 576   GADGET_ID_PLAYER_SPEED,
 577   GADGET_ID_MM_BALL_CHOICE_MODE,
 578   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 579   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 580   GADGET_ID_CUSTOM_DEADLINESS,
 581   GADGET_ID_CUSTOM_MOVE_PATTERN,
 582   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 583   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 584   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 585   GADGET_ID_CUSTOM_SMASH_TARGETS,
 586   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 587   GADGET_ID_CUSTOM_ACCESS_TYPE,
 588   GADGET_ID_CUSTOM_ACCESS_LAYER,
 589   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 590   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 591   GADGET_ID_CHANGE_TIME_UNITS,
 592   GADGET_ID_CHANGE_DIRECT_ACTION,
 593   GADGET_ID_CHANGE_OTHER_ACTION,
 594   GADGET_ID_CHANGE_SIDE,
 595   GADGET_ID_CHANGE_PLAYER,
 596   GADGET_ID_CHANGE_PAGE,
 597   GADGET_ID_CHANGE_REPLACE_WHEN,
 598   GADGET_ID_ACTION_TYPE,
 599   GADGET_ID_ACTION_MODE,
 600   GADGET_ID_ACTION_ARG,
 601   GADGET_ID_SELECT_CHANGE_PAGE,
 602   GADGET_ID_GROUP_CHOICE_MODE,
 603
 604   // textbutton identifiers
 605
 606   GADGET_ID_LEVELCONFIG_LEVEL,
 607   GADGET_ID_LEVELCONFIG_LEVELSET,
 608   GADGET_ID_LEVELCONFIG_EDITOR,
 609   GADGET_ID_PROPERTIES_INFO,
 610   GADGET_ID_PROPERTIES_CONFIG,
 611   GADGET_ID_PROPERTIES_CONFIG_1,
 612   GADGET_ID_PROPERTIES_CONFIG_2,
 613   GADGET_ID_PROPERTIES_CHANGE,
 614   GADGET_ID_SAVE_AS_TEMPLATE_1,
 615   GADGET_ID_SAVE_AS_TEMPLATE_2,
 616   GADGET_ID_SAVE_LEVELSET,
 617   GADGET_ID_ADD_CHANGE_PAGE,
 618   GADGET_ID_DEL_CHANGE_PAGE,
 619
 620   // graphicbutton identifiers
 621
 622   GADGET_ID_PREV_CHANGE_PAGE,
 623   GADGET_ID_NEXT_CHANGE_PAGE,
 624   GADGET_ID_COPY_CHANGE_PAGE,
 625   GADGET_ID_PASTE_CHANGE_PAGE,
 626
 627   // gadgets for scrolling of drawing area
 628
 629   GADGET_ID_SCROLL_UP,
 630   GADGET_ID_SCROLL_DOWN,
 631   GADGET_ID_SCROLL_LEFT,
 632   GADGET_ID_SCROLL_RIGHT,
 633   GADGET_ID_SCROLL_HORIZONTAL,
 634   GADGET_ID_SCROLL_VERTICAL,
 635
 636   // gadgets for scrolling element list
 637
 638   GADGET_ID_SCROLL_LIST_UP,
 639   GADGET_ID_SCROLL_LIST_DOWN,
 640   GADGET_ID_SCROLL_LIST_VERTICAL,
 641
 642   // checkbuttons/radiobuttons for level/element properties
 643
 644   GADGET_ID_AUTO_COUNT_GEMS,
 645   GADGET_ID_RATE_TIME_OVER_SCORE,
 646   GADGET_ID_USE_LEVELSET_ARTWORK,
 647   GADGET_ID_COPY_LEVEL_TEMPLATE,
 648   GADGET_ID_RANDOM_PERCENTAGE,
 649   GADGET_ID_RANDOM_QUANTITY,
 650   GADGET_ID_RANDOM_RESTRICTED,
 651   GADGET_ID_STICK_ELEMENT,
 652   GADGET_ID_EM_SLIPPERY_GEMS,
 653   GADGET_ID_EM_EXPLODES_BY_FIRE,
 654   GADGET_ID_USE_SPRING_BUG,
 655   GADGET_ID_USE_TIME_ORB_BUG,
 656   GADGET_ID_USE_LIFE_BUGS,
 657   GADGET_ID_RANDOM_BALL_CONTENT,
 658   GADGET_ID_INITIAL_BALL_ACTIVE,
 659   GADGET_ID_GROW_INTO_DIGGABLE,
 660   GADGET_ID_SB_FIELDS_NEEDED,
 661   GADGET_ID_SB_OBJECTS_NEEDED,
 662   GADGET_ID_AUTO_EXIT_SOKOBAN,
 663   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 664   GADGET_ID_FINISH_DIG_COLLECT,
 665   GADGET_ID_KEEP_WALKABLE_CE,
 666   GADGET_ID_CONTINUOUS_SNAPPING,
 667   GADGET_ID_BLOCK_SNAP_FIELD,
 668   GADGET_ID_BLOCK_LAST_FIELD,
 669   GADGET_ID_SP_BLOCK_LAST_FIELD,
 670   GADGET_ID_INSTANT_RELOCATION,
 671   GADGET_ID_SHIFTED_RELOCATION,
 672   GADGET_ID_LAZY_RELOCATION,
 673   GADGET_ID_USE_START_ELEMENT,
 674   GADGET_ID_USE_ARTWORK_ELEMENT,
 675   GADGET_ID_USE_EXPLOSION_ELEMENT,
 676   GADGET_ID_INITIAL_GRAVITY,
 677   GADGET_ID_USE_INITIAL_INVENTORY,
 678   GADGET_ID_CAN_PASS_TO_WALKABLE,
 679   GADGET_ID_CAN_FALL_INTO_ACID,
 680   GADGET_ID_CAN_MOVE_INTO_ACID,
 681   GADGET_ID_DONT_COLLIDE_WITH,
 682   GADGET_ID_ENVELOPE_AUTOWRAP,
 683   GADGET_ID_ENVELOPE_CENTERED,
 684   GADGET_ID_MM_LASER_RED,
 685   GADGET_ID_MM_LASER_GREEN,
 686   GADGET_ID_MM_LASER_BLUE,
 687   GADGET_ID_DF_LASER_RED,
 688   GADGET_ID_DF_LASER_GREEN,
 689   GADGET_ID_DF_LASER_BLUE,
 690   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 691   GADGET_ID_EXPLODE_MM_BALL,
 692   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 693   GADGET_ID_CUSTOM_CAN_EXPLODE,
 694   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 695   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 696   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 697   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 698   GADGET_ID_CUSTOM_DEADLY,
 699   GADGET_ID_CUSTOM_CAN_MOVE,
 700   GADGET_ID_CUSTOM_CAN_FALL,
 701   GADGET_ID_CUSTOM_CAN_SMASH,
 702   GADGET_ID_CUSTOM_SLIPPERY,
 703   GADGET_ID_CUSTOM_ACCESSIBLE,
 704   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 705   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 706   GADGET_ID_CUSTOM_USE_GRAPHIC,
 707   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 708   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 709   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 710   GADGET_ID_CUSTOM_CAN_CHANGE,
 711   GADGET_ID_CHANGE_USE_CONTENT,
 712   GADGET_ID_CHANGE_USE_EXPLOSION,
 713   GADGET_ID_CHANGE_ONLY_COMPLETE,
 714   GADGET_ID_CHANGE_USE_RANDOM,
 715   GADGET_ID_CHANGE_HAS_ACTION,
 716   GADGET_ID_CHANGE_DELAY,
 717   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 718   GADGET_ID_CHANGE_BY_OTHER_ACT,
 719
 720   NUM_STATIC_GADGET_IDS
 721 };
 722
 723 // gadgets for buttons in element list (dynamic)
 724 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 725 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 726                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 727
 728 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 729
 730 // radio button numbers
 731 enum
 732 {
 733   RADIO_NR_NONE,
 734   RADIO_NR_DRAWING_TOOLBOX,
 735   RADIO_NR_RANDOM_ELEMENTS
 736 };
 737
 738 // values for counter gadgets
 739 enum
 740 {
 741   ED_COUNTER_ID_SELECT_LEVEL,
 742   ED_COUNTER_ID_LEVEL_XSIZE,
 743   ED_COUNTER_ID_LEVEL_YSIZE,
 744   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 745   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 746   ED_COUNTER_ID_LEVEL_TIMESCORE,
 747   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 748   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 749   ED_COUNTER_ID_LEVEL_RANDOM,
 750   ED_COUNTER_ID_ELEMENT_VALUE1,
 751   ED_COUNTER_ID_ELEMENT_VALUE2,
 752   ED_COUNTER_ID_ELEMENT_VALUE3,
 753   ED_COUNTER_ID_ELEMENT_VALUE4,
 754   ED_COUNTER_ID_YAMYAM_CONTENT,
 755   ED_COUNTER_ID_BALL_CONTENT,
 756   ED_COUNTER_ID_ANDROID_CONTENT,
 757   ED_COUNTER_ID_ENVELOPE_XSIZE,
 758   ED_COUNTER_ID_ENVELOPE_YSIZE,
 759   ED_COUNTER_ID_INVENTORY_SIZE,
 760   ED_COUNTER_ID_MM_BALL_CONTENT,
 761   ED_COUNTER_ID_CUSTOM_SCORE,
 762   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 763   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 764   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 765   ED_COUNTER_ID_PUSH_DELAY_FIX,
 766   ED_COUNTER_ID_PUSH_DELAY_RND,
 767   ED_COUNTER_ID_DROP_DELAY_FIX,
 768   ED_COUNTER_ID_DROP_DELAY_RND,
 769   ED_COUNTER_ID_MOVE_DELAY_FIX,
 770   ED_COUNTER_ID_MOVE_DELAY_RND,
 771   ED_COUNTER_ID_STEP_DELAY_FIX,
 772   ED_COUNTER_ID_STEP_DELAY_RND,
 773   ED_COUNTER_ID_EXPLOSION_DELAY,
 774   ED_COUNTER_ID_IGNITION_DELAY,
 775   ED_COUNTER_ID_GROUP_CONTENT,
 776   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 777   ED_COUNTER_ID_CHANGE_DELAY_RND,
 778   ED_COUNTER_ID_CHANGE_CONT_RND,
 779
 780   ED_NUM_COUNTERBUTTONS
 781 };
 782
 783 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 784 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 785 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 786 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 787 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 788 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 789
 790 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 791 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 792 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 793 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 794 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 795 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 796
 797 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 798 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 799
 800 // values for scrollbutton gadgets
 801 enum
 802 {
 803   ED_SCROLLBUTTON_ID_AREA_UP,
 804   ED_SCROLLBUTTON_ID_AREA_DOWN,
 805   ED_SCROLLBUTTON_ID_AREA_LEFT,
 806   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 807   ED_SCROLLBUTTON_ID_LIST_UP,
 808   ED_SCROLLBUTTON_ID_LIST_DOWN,
 809
 810   ED_NUM_SCROLLBUTTONS
 811 };
 812
 813 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 814 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 815
 816 // values for scrollbar gadgets
 817 enum
 818 {
 819   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 820   ED_SCROLLBAR_ID_AREA_VERTICAL,
 821   ED_SCROLLBAR_ID_LIST_VERTICAL,
 822
 823   ED_NUM_SCROLLBARS
 824 };
 825
 826 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 827 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 828
 829 // values for text input gadgets
 830 enum
 831 {
 832   ED_TEXTINPUT_ID_LEVEL_NAME,
 833   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 834   ED_TEXTINPUT_ID_LEVELSET_NAME,
 835   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 836   ED_TEXTINPUT_ID_ELEMENT_NAME,
 837
 838   ED_NUM_TEXTINPUT
 839 };
 840
 841 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 842 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 843
 844 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 845 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 846
 847 // values for text area gadgets
 848 enum
 849 {
 850   ED_TEXTAREA_ID_ENVELOPE_INFO,
 851
 852   ED_NUM_TEXTAREAS
 853 };
 854
 855 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 856 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 857
 858 // values for selectbox gadgets
 859 enum
 860 {
 861   ED_SELECTBOX_ID_TIME_OR_STEPS,
 862   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 863   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 864   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 865   ED_SELECTBOX_ID_WIND_DIRECTION,
 866   ED_SELECTBOX_ID_PLAYER_SPEED,
 867   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 868   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 869   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 870   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 871   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 872   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 873   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 874   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 875   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 876   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 877   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 878   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 879   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 880   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 881   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 882   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 883   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 884   ED_SELECTBOX_ID_CHANGE_SIDE,
 885   ED_SELECTBOX_ID_CHANGE_PLAYER,
 886   ED_SELECTBOX_ID_CHANGE_PAGE,
 887   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 888   ED_SELECTBOX_ID_ACTION_TYPE,
 889   ED_SELECTBOX_ID_ACTION_MODE,
 890   ED_SELECTBOX_ID_ACTION_ARG,
 891   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 892   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 893
 894   ED_NUM_SELECTBOX
 895 };
 896
 897 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 898 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 899
 900 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 901 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 902
 903 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 904 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 905 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 906 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 907 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 908 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 909
 910 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 911 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 912
 913 // values for textbutton gadgets
 914 enum
 915 {
 916   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
 917   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
 918   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
 919   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 920   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 921   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 922   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 923   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 924   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 925   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 926   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 927   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 928   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 929
 930   ED_NUM_TEXTBUTTONS
 931 };
 932
 933 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
 934 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
 935
 936 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 937 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 938
 939 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 940 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 941
 942 // values for graphicbutton gadgets
 943 enum
 944 {
 945   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 946   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 947   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 948   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 949
 950   ED_NUM_GRAPHICBUTTONS
 951 };
 952
 953 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 954 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 955
 956 // values for checkbutton gadgets
 957 enum
 958 {
 959   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 960   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
 961   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 962   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 963   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 964   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 965   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 966   ED_CHECKBUTTON_ID_STICK_ELEMENT,
 967   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
 968   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
 969   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
 970   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
 971   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
 972   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
 973   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
 974   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
 975   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
 976   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
 977   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
 978   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
 979   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
 980   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
 981   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
 982   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
 983   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
 984   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
 985   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
 986   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
 987   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
 988   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
 989   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
 990   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
 991   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
 992   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
 993   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
 994   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
 995   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
 996   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
 997   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
 998   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
 999   ED_CHECKBUTTON_ID_MM_LASER_RED,
1000   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1001   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1002   ED_CHECKBUTTON_ID_DF_LASER_RED,
1003   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1004   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1005   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1006   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1007   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1008   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1009   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1010   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1011   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1012   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1013   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1014   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1015   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1016   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1017   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1018   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1019   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1020   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1021   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1022   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1023   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1024   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1025   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1026   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1027   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1028   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1029   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1030   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1031   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1032
1033   ED_NUM_CHECKBUTTONS
1034 };
1035
1036 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1037 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1038
1039 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1040 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1041
1042 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1043 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1044
1045 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1046 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1047 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1048 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1049 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1050 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1051
1052 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1053 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1054
1055 // values for radiobutton gadgets
1056 enum
1057 {
1058   ED_RADIOBUTTON_ID_PERCENTAGE,
1059   ED_RADIOBUTTON_ID_QUANTITY,
1060
1061   ED_NUM_RADIOBUTTONS
1062 };
1063
1064 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1065 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1066
1067 // values for drawing area gadgets
1068 enum
1069 {
1070   ED_DRAWING_ID_DRAWING_LEVEL,
1071   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1072   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1073   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1074   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1075   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1076   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1077   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1078   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1079   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1080   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1081   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1082   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1083   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1084   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1085   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1086   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1087   ED_DRAWING_ID_ANDROID_CONTENT,
1088   ED_DRAWING_ID_AMOEBA_CONTENT,
1089   ED_DRAWING_ID_START_ELEMENT,
1090   ED_DRAWING_ID_ARTWORK_ELEMENT,
1091   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1092   ED_DRAWING_ID_INVENTORY_CONTENT,
1093   ED_DRAWING_ID_MM_BALL_CONTENT,
1094   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1095   ED_DRAWING_ID_CUSTOM_CONTENT,
1096   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1097   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1098   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1099   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1100   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1101   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1102   ED_DRAWING_ID_GROUP_CONTENT,
1103   ED_DRAWING_ID_RANDOM_BACKGROUND,
1104
1105   ED_NUM_DRAWING_AREAS
1106 };
1107
1108 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1109 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1110
1111
1112 // ----------------------------------------------------------------------------
1113 // some internally used definitions
1114 // ----------------------------------------------------------------------------
1115
1116 // values for CopyLevelToUndoBuffer()
1117 #define UNDO_IMMEDIATE                  0
1118 #define UNDO_ACCUMULATE                 1
1119
1120 // values for scrollbars
1121 #define ED_SCROLL_NO                    0
1122 #define ED_SCROLL_LEFT                  1
1123 #define ED_SCROLL_RIGHT                 2
1124 #define ED_SCROLL_UP                    4
1125 #define ED_SCROLL_DOWN                  8
1126
1127 // screens in the level editor
1128 #define ED_MODE_DRAWING                 0
1129 #define ED_MODE_LEVELCONFIG             1
1130 #define ED_MODE_PROPERTIES              2
1131 #define ED_MODE_PALETTE                 3
1132
1133 // sub-screens in the global settings section
1134 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1135 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1136 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1137
1138 // sub-screens in the element properties section
1139 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1140 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1141 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1142 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1143 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1144
1145 // how many steps can be cancelled
1146 #define NUM_UNDO_STEPS                  (64 + 1)
1147
1148 // values for elements with score for certain actions
1149 #define MIN_SCORE                       0
1150 #define MAX_SCORE                       999
1151
1152 // values for elements with count for collecting
1153 #define MIN_COLLECT_COUNT               0
1154 #define MAX_COLLECT_COUNT               999
1155
1156 // values for random placement
1157 #define RANDOM_USE_PERCENTAGE           0
1158 #define RANDOM_USE_QUANTITY             1
1159
1160 // values for level set save mode
1161 #define LEVELSET_SAVE_MODE_UPDATE       0
1162 #define LEVELSET_SAVE_MODE_CREATE       1
1163
1164 // default value for element tile size in drawing area
1165 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1166 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1167
1168
1169 // ----------------------------------------------------------------------------
1170 // some internally used data structure definitions
1171 // ----------------------------------------------------------------------------
1172
1173 static struct
1174 {
1175   int graphic;
1176   int gadget_id;
1177   struct XYTileSize *pos;
1178   int gadget_type;
1179   char *infotext;
1180   char shortcut;
1181 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1182 {
1183   // note: some additional characters are already reserved for "cheat mode"
1184   // shortcuts (":XYZ" style) -- for details, see "events.c"
1185
1186   // ---------- toolbox control buttons ---------------------------------------
1187
1188   {
1189     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1190     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1191     "draw single items",                        's'
1192   },
1193   {
1194     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1195     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1196     "draw connected items",                     'd'
1197   },
1198   {
1199     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1200     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1201     "draw lines",                               'l'
1202   },
1203   {
1204     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1205     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1206     "draw arcs",                                'a'
1207   },
1208   {
1209     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1210     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1211     "draw outline rectangles",                  'r'
1212   },
1213   {
1214     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1215     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1216     "draw filled rectangles",                   'R'
1217   },
1218   {
1219     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1220     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1221     "wrap (rotate) level up",                   0
1222   },
1223   {
1224     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1225     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1226     "enter text elements",                      't'
1227   },
1228   {
1229     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1230     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1231     "flood fill",                               'f'
1232   },
1233   {
1234     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1235     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1236     "wrap (rotate) level left",                 0
1237   },
1238   {
1239     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1240     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1241     "zoom level tile size",                     '+'
1242   },
1243   {
1244     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1245     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1246     "wrap (rotate) level right",                0
1247   },
1248   {
1249     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1250     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1251     "random element placement",                 0
1252   },
1253   {
1254     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1255     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1256     "grab brush",                               'b'
1257   },
1258   {
1259     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1260     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1261     "wrap (rotate) level down",                 0
1262   },
1263   {
1264     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1265     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1266     "pick drawing element",                     ','
1267   },
1268
1269   // ---------- level control buttons -----------------------------------------
1270
1271   {
1272     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1273     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1274     "undo/redo last operation",                 'u'
1275   },
1276   {
1277     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1278     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1279     "level and editor settings",                'I'
1280   },
1281   {
1282     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1283     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1284     "save level",                               'S'
1285   },
1286   {
1287     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1288     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1289     "clear level",                              'C'
1290   },
1291   {
1292     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1293     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1294     "test level",                               'T'
1295   },
1296   {
1297     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1298     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1299     "exit level editor",                        'E'
1300   },
1301
1302   // ---------- CE and GE control buttons -------------------------------------
1303
1304   {
1305     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1306     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1307     "copy settings from other element",         0
1308   },
1309   {
1310     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1311     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1312     "copy settings to other element",           0
1313   },
1314   {
1315     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1316     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1317     "exchange element with other element",      0
1318   },
1319   {
1320     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1321     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1322     "copy settings from this element",          0
1323   },
1324   {
1325     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1326     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1327     "paste settings to this element",           0
1328   },
1329
1330   // ---------- palette control buttons ---------------------------------------
1331
1332   {
1333     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1334     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1335     "properties of drawing element",            'p'
1336   },
1337   {
1338     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1339     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1340     "properties of drawing element 1",          '1'
1341   },
1342   {
1343     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1344     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1345     "properties of drawing element 2",          '2'
1346   },
1347   {
1348     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1349     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1350     "properties of drawing element 3",          '3'
1351   },
1352   {
1353     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1354     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1355     "show list of elements",                    'e'
1356   }
1357 };
1358
1359 static int random_placement_value = 10;
1360 static int random_placement_method = RANDOM_USE_QUANTITY;
1361 static int random_placement_background_element = EL_SAND;
1362 static boolean random_placement_background_restricted = FALSE;
1363 static boolean stick_element_properties_window = FALSE;
1364 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1365 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1366 static struct ElementChangeInfo custom_element_change;
1367 static struct ElementGroupInfo group_element_info;
1368 static struct ElementInfo custom_element;
1369
1370 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1371 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1372 static int levelset_num_levels = 100;
1373 static boolean levelset_use_levelset_artwork = FALSE;
1374 static boolean levelset_copy_level_template = FALSE;
1375 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1376
1377 static struct
1378 {
1379   int x, y;
1380   int min_value, max_value;
1381   int gadget_id_down, gadget_id_up;
1382   int gadget_id_text;
1383   int gadget_id_align;
1384   int *value;
1385   char *text_above, *text_left, *text_right;
1386 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1387 {
1388   // ---------- current level number ------------------------------------------
1389
1390   {
1391     -1, -1,     // these values are not constant, but can change at runtime
1392     1,                                  100,
1393     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1394     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1395     &level_nr,
1396     NULL,                               NULL, NULL
1397   },
1398
1399   // ---------- level and editor settings -------------------------------------
1400
1401   {
1402     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1403     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1404     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1405     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1406     &level.fieldx,
1407     "playfield size:",                  NULL, "width",
1408   },
1409   {
1410     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1411     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1412     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1413     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1414     &level.fieldy,
1415     NULL,                               " ", "height",
1416   },
1417   {
1418     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1419     0,                                  999,
1420     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1421     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1422     &level.gems_needed,
1423     NULL,                               "number of gems to collect:", NULL
1424   },
1425   {
1426     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1427     0,                                  9999,
1428     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1429     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1430     &level.time,
1431     "time or step limit to solve level:", NULL, NULL
1432   },
1433   {
1434     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1435     0,                                  999,
1436     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1437     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1438     &level.score[SC_TIME_BONUS],
1439     "score for time or steps left:",    NULL, NULL
1440   },
1441   {
1442     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1443     0,                                  9999,
1444     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1445     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1446     &level.random_seed,
1447     NULL,                               "random seed:", "(0 => random)"
1448   },
1449   {
1450     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1451     1,                                  MAX_LEVELS,
1452     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1453     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1454     &levelset_num_levels,
1455     "number of levels:",                NULL, NULL,
1456   },
1457   {
1458     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1459     1,                                  100,
1460     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1461     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1462     &random_placement_value,
1463     "random element placement:",        NULL, "in"
1464   },
1465
1466   // ---------- element settings: configure (various elements) ----------------
1467
1468   {
1469     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1470     MIN_SCORE,                          MAX_SCORE,
1471     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1472     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1473     NULL,                               // will be set when used
1474     NULL,                               NULL, NULL
1475   },
1476   {
1477     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1478     MIN_SCORE,                          MAX_SCORE,
1479     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1480     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1481     NULL,                               // will be set when used
1482     NULL,                               NULL, NULL
1483   },
1484   {
1485     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1486     MIN_SCORE,                          MAX_SCORE,
1487     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1488     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1489     NULL,                               // will be set when used
1490     NULL,                               NULL, NULL
1491   },
1492   {
1493     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1494     MIN_SCORE,                          MAX_SCORE,
1495     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1496     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1497     NULL,                               // will be set when used
1498     NULL,                               NULL, NULL
1499   },
1500   {
1501     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1502     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1503     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1504     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1505     &level.num_yamyam_contents,
1506     NULL,                               NULL, "number of content areas"
1507   },
1508   {
1509     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1510     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1511     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1512     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1513     &level.num_ball_contents,
1514     NULL,                               NULL, "number of content areas"
1515   },
1516   {
1517     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1518     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1519     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1520     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1521     &level.num_android_clone_elements,
1522     NULL,                               NULL, "number of clonable elements"
1523   },
1524   {
1525     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1526     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1527     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1528     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1529     NULL,                               // will be set when used
1530     NULL,                               NULL, "width",
1531   },
1532   {
1533     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1534     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1535     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1536     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1537     NULL,                               // will be set when used
1538     NULL,                               " ", "height",
1539   },
1540   {
1541     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1542     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1543     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1544     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1545     &level.initial_inventory_size[0],
1546     NULL,                               NULL, "number of inventory elements"
1547   },
1548   {
1549     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1550     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1551     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1552     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1553     &level.num_mm_ball_contents,
1554     NULL,                               NULL, "number of content elements"
1555   },
1556
1557   // ---------- element settings: configure 1 (custom elements) ---------------
1558
1559   {
1560     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1561     MIN_SCORE,                          MAX_SCORE,
1562     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1563     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1564     &custom_element.collect_score_initial,
1565     NULL,                               "CE score", " "
1566   },
1567   {
1568     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1569     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1570     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1571     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1572     &custom_element.collect_count_initial,
1573     NULL,                               "CE count", NULL
1574   },
1575   {
1576     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1577     0,                                  9999,
1578     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1579     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1580     &custom_element.ce_value_fixed_initial,
1581     NULL,                               "CE value", NULL
1582   },
1583   {
1584     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1585     0,                                  9999,
1586     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1587     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1588     &custom_element.ce_value_random_initial,
1589     NULL,                               "+random", NULL
1590   },
1591   {
1592     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1593     0,                                  999,
1594     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1595     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1596     &custom_element.push_delay_fixed,
1597     NULL,                               "push delay", NULL
1598   },
1599   {
1600     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1601     0,                                  999,
1602     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1603     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1604     &custom_element.push_delay_random,
1605     NULL,                               "+random", NULL
1606   },
1607   {
1608     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1609     0,                                  999,
1610     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1611     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1612     &custom_element.drop_delay_fixed,
1613     NULL,                               "drop delay", NULL
1614   },
1615   {
1616     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1617     0,                                  999,
1618     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1619     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1620     &custom_element.drop_delay_random,
1621     NULL,                               "+random", NULL
1622   },
1623
1624   // ---------- element settings: configure 2 (custom elements) ---------------
1625
1626   {
1627     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1628     0,                                  999,
1629     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1630     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1631     &custom_element.move_delay_fixed,
1632     NULL,                               "move delay", NULL
1633   },
1634   {
1635     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1636     0,                                  999,
1637     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1638     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1639     &custom_element.move_delay_random,
1640     NULL,                               "+random", NULL
1641   },
1642   {
1643     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1644     0,                                  999,
1645     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1646     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1647     &custom_element.step_delay_fixed,
1648     NULL,                               "step delay", NULL
1649   },
1650   {
1651     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1652     0,                                  999,
1653     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1654     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1655     &custom_element.step_delay_random,
1656     NULL,                               "+random", NULL
1657   },
1658   {
1659     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1660     0,                                  999,
1661     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1662     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1663     &custom_element.explosion_delay,
1664     NULL,                               "explosion delay", NULL
1665   },
1666   {
1667     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1668     0,                                  999,
1669     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1670     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1671     &custom_element.ignition_delay,
1672     NULL,                               "ignition delay", "(by fire)"
1673   },
1674
1675   // ---------- element settings: configure (group elements) ------------------
1676
1677   {
1678     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1679     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1680     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1681     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1682     &group_element_info.num_elements,
1683     NULL,                               NULL, "number of elements in group"
1684   },
1685
1686   // ---------- element settings: advanced (custom elements) ------------------
1687
1688   {
1689     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1690     0,                                  999,
1691     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1692     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1693     &custom_element_change.delay_fixed,
1694     NULL,                               "CE delay", NULL,
1695   },
1696   {
1697     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1698     0,                                  999,
1699     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1700     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1701     &custom_element_change.delay_random,
1702     NULL,                               "+random", NULL
1703   },
1704   {
1705     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1706     0,                                  100,
1707     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1708     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1709     &custom_element_change.random_percentage,
1710     NULL,                               "use random replace:", "%"
1711   },
1712 };
1713
1714 static struct
1715 {
1716   int x, y;
1717   int gadget_id;
1718   int size;
1719   char *value;
1720   char *text_above, *infotext;
1721 } textinput_info[ED_NUM_TEXTINPUT] =
1722 {
1723   {
1724     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1725     GADGET_ID_LEVEL_NAME,
1726     MAX_LEVEL_NAME_LEN,
1727     level.name,
1728     "Title:", "Title for this level"
1729   },
1730   {
1731     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1732     GADGET_ID_LEVEL_AUTHOR,
1733     MAX_LEVEL_AUTHOR_LEN,
1734     level.author,
1735     "Author:", "Author for this level"
1736   },
1737   {
1738     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1739     GADGET_ID_LEVELSET_NAME,
1740     MAX_LEVEL_NAME_LEN,
1741     levelset_name,
1742     "Title:", "Title for this or new level set"
1743   },
1744   {
1745     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1746     GADGET_ID_LEVELSET_AUTHOR,
1747     MAX_LEVEL_AUTHOR_LEN,
1748     levelset_author,
1749     "Author:", "Author for this or new level set"
1750   },
1751   {
1752     -1, -1,     // these values are not constant, but can change at runtime
1753     GADGET_ID_ELEMENT_NAME,
1754     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1755     custom_element.description,
1756     NULL, "Element name"
1757   }
1758 };
1759
1760 static struct
1761 {
1762   int x, y;
1763   int gadget_id;
1764   int xsize, ysize;
1765   char *value;
1766   char *text_above, *text_above_cropped, *infotext;
1767 } textarea_info[ED_NUM_TEXTAREAS] =
1768 {
1769   {
1770     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1771     GADGET_ID_ENVELOPE_INFO,
1772     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1773     NULL,
1774     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
1775   }
1776 };
1777
1778 static struct ValueTextInfo options_time_or_steps[] =
1779 {
1780   { 0,                          "seconds"                       },
1781   { 1,                          "steps"                         },
1782
1783   { -1,                         NULL                            }
1784 };
1785
1786 static struct ValueTextInfo options_time_score_base[] =
1787 {
1788   { 1,                          "per second/step"               },
1789   { 10,                         "per 10 seconds/steps"          },
1790
1791   { -1,                         NULL                            }
1792 };
1793
1794 static struct ValueTextInfo options_game_engine_type[] =
1795 {
1796   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1797   { GAME_ENGINE_TYPE_BD,        "Boulder Dash"                  },
1798   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1799   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1800   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1801
1802   { -1,                         NULL                            }
1803 };
1804
1805 static struct ValueTextInfo options_levelset_save_mode[] =
1806 {
1807   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1808   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1809
1810   { -1,                         NULL                            }
1811 };
1812
1813 static struct ValueTextInfo options_wind_direction[] =
1814 {
1815   { MV_START_NONE,              "none"                          },
1816   { MV_START_LEFT,              "left"                          },
1817   { MV_START_RIGHT,             "right"                         },
1818   { MV_START_UP,                "up"                            },
1819   { MV_START_DOWN,              "down"                          },
1820
1821   { -1,                         NULL                            }
1822 };
1823
1824 static struct ValueTextInfo options_player_speed[] =
1825 {
1826   { 0,                          "frozen"                        },
1827   { 1,                          "very slow"                     },
1828   { 2,                          "slow"                          },
1829   { 4,                          "normal"                        },
1830   { 8,                          "fast"                          },
1831   { 16,                         "very fast"                     },
1832   { 32,                         "ultrafast"                     },
1833
1834   { -1,                         NULL                            }
1835 };
1836
1837 static struct ValueTextInfo options_access_type[] =
1838 {
1839   { EP_WALKABLE,                "walkable"                      },
1840   { EP_PASSABLE,                "passable"                      },
1841
1842   { -1,                         NULL                            }
1843 };
1844
1845 static struct ValueTextInfo options_access_layer[] =
1846 {
1847   { EP_ACCESSIBLE_OVER,         "over"                          },
1848   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1849   { EP_ACCESSIBLE_UNDER,        "under"                         },
1850
1851   { -1,                         NULL                            }
1852 };
1853
1854 static struct ValueTextInfo options_access_protected[] =
1855 {
1856   { 0,                          "unprotected"                   },
1857   { 1,                          "protected"                     },
1858
1859   { -1,                         NULL                            }
1860 };
1861
1862 static struct ValueTextInfo options_access_direction[] =
1863 {
1864   { MV_NO_DIRECTION,            "no direction"                  },
1865   { MV_LEFT,                    "left"                          },
1866   { MV_RIGHT,                   "right"                         },
1867   { MV_UP,                      "up"                            },
1868   { MV_DOWN,                    "down"                          },
1869   { MV_LEFT  | MV_UP,           "left + up"                     },
1870   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1871   { MV_RIGHT | MV_UP,           "right + up"                    },
1872   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1873   { MV_HORIZONTAL,              "horizontal"                    },
1874   { MV_VERTICAL,                "vertical"                      },
1875   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1876   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1877   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1878   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1879   { MV_ALL_DIRECTIONS,          "all directions"                },
1880
1881   { -1,                         NULL                            }
1882 };
1883
1884 static struct ValueTextInfo options_walk_to_action[] =
1885 {
1886   { EP_DIGGABLE,                "diggable"                      },
1887   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1888   { EP_DROPPABLE,               "collectible & droppable"       },
1889   { EP_THROWABLE,               "collectible & throwable"       },
1890   { EP_PUSHABLE,                "pushable"                      },
1891
1892   { -1,                         NULL                            }
1893 };
1894
1895 static struct ValueTextInfo options_move_pattern[] =
1896 {
1897   { MV_LEFT,                    "left"                          },
1898   { MV_RIGHT,                   "right"                         },
1899   { MV_UP,                      "up"                            },
1900   { MV_DOWN,                    "down"                          },
1901   { MV_HORIZONTAL,              "horizontal"                    },
1902   { MV_VERTICAL,                "vertical"                      },
1903   { MV_ALL_DIRECTIONS,          "all directions"                },
1904   { MV_WIND_DIRECTION,          "wind direction"                },
1905   { MV_TOWARDS_PLAYER,          "towards player"                },
1906   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1907   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1908   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1909   { MV_TURNING_LEFT,            "turning left"                  },
1910   { MV_TURNING_RIGHT,           "turning right"                 },
1911   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1912   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1913   { MV_TURNING_RANDOM,          "turning random"                },
1914   { MV_MAZE_RUNNER,             "maze runner style"             },
1915   { MV_MAZE_HUNTER,             "maze hunter style"             },
1916   { MV_WHEN_PUSHED,             "when pushed"                   },
1917   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1918
1919   { -1,                         NULL                            }
1920 };
1921
1922 static struct ValueTextInfo options_move_direction[] =
1923 {
1924   { MV_START_AUTOMATIC,         "automatic"                     },
1925   { MV_START_LEFT,              "left"                          },
1926   { MV_START_RIGHT,             "right"                         },
1927   { MV_START_UP,                "up"                            },
1928   { MV_START_DOWN,              "down"                          },
1929   { MV_START_RANDOM,            "random"                        },
1930   { MV_START_PREVIOUS,          "previous"                      },
1931
1932   { -1,                         NULL                            }
1933 };
1934
1935 static struct ValueTextInfo options_move_stepsize[] =
1936 {
1937   { 0,                          "not moving"                    },
1938   { 1,                          "very slow"                     },
1939   { 2,                          "slow"                          },
1940   { 4,                          "normal"                        },
1941   { 8,                          "fast"                          },
1942   { 16,                         "very fast"                     },
1943   { 32,                         "even faster"                   },
1944
1945   { -1,                         NULL                            }
1946 };
1947
1948 static struct ValueTextInfo options_move_leave_type[] =
1949 {
1950   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1951   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1952
1953   { -1,                         NULL                            }
1954 };
1955
1956 static struct ValueTextInfo options_smash_targets[] =
1957 {
1958   { EP_CAN_SMASH_PLAYER,        "player"                        },
1959 #if 0
1960   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1961 #endif
1962   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1963
1964   { -1,                         NULL                            }
1965 };
1966
1967 static struct ValueTextInfo options_slippery_type[] =
1968 {
1969   { SLIPPERY_ANY_RANDOM,        "random"                        },
1970   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1971   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1972   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1973   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1974
1975   { -1,                         NULL                            }
1976 };
1977
1978 static struct ValueTextInfo options_deadliness[] =
1979 {
1980   { EP_DONT_RUN_INTO,           "running into"                  },
1981   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1982   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1983   { EP_DONT_TOUCH,              "touching"                      },
1984
1985   { -1,                         NULL                            }
1986 };
1987
1988 static struct ValueTextInfo options_explosion_type[] =
1989 {
1990   { EXPLODES_3X3,               "3x3"                           },
1991   { EXPLODES_CROSS,             "3+3"                           },
1992   { EXPLODES_1X1,               "1x1"                           },
1993
1994   { -1,                         NULL                            }
1995 };
1996
1997 static struct ValueTextInfo options_time_units[] =
1998 {
1999   { 1,                          "frames"                        },
2000   { FRAMES_PER_SECOND,          "seconds"                       },
2001
2002   { -1,                         NULL                            }
2003 };
2004
2005 static struct ValueTextInfo options_change_direct_action[] =
2006 {
2007   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2008   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2009   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2010   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2011   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2012   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2013   { CE_LEFT_BY_PLAYER,          "left by player"                },
2014   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2015   { CE_SWITCHED,                "switched"                      },
2016   { CE_HITTING_SOMETHING,       "hitting something"             },
2017   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2018 #if 0
2019   { CE_BLOCKED,                 "blocked"                       },
2020 #endif
2021   { CE_IMPACT,                  "impact (on something)"         },
2022   { CE_SMASHED,                 "smashed (from above)"          },
2023 #if 0
2024   { CE_VALUE_CHANGES,           "CE value changes"              },
2025   { CE_SCORE_CHANGES,           "CE score changes"              },
2026 #endif
2027   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2028   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2029   { CE_UNDEFINED,               " "                             },
2030   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2031   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2032   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2033   { CE_UNDEFINED,               " "                             },
2034   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2035   { CE_NEXT_TO_PLAYER,          "next to player"                },
2036
2037   { -1,                         NULL                            }
2038 };
2039
2040 static struct ValueTextInfo options_change_other_action[] =
2041 {
2042   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2043   { CE_PLAYER_PRESSES_X,        "player presses"                },
2044   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2045   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2046   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2047   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2048   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2049   { CE_PLAYER_DIGS_X,           "player digs"                   },
2050   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2051   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2052   { CE_TOUCHING_X,              "touching"                      },
2053   { CE_HITTING_X,               "hitting"                       },
2054   { CE_DIGGING_X,               "digging"                       },
2055   { CE_HIT_BY_X,                "hit by"                        },
2056   { CE_SWITCH_OF_X,             "switch of"                     },
2057   { CE_CHANGE_OF_X,             "change by page of"             },
2058   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2059   { CE_MOVE_OF_X,               "move of"                       },
2060   { CE_CREATION_OF_X,           "creation of"                   },
2061   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2062   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2063   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2064   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2065   { CE_UNDEFINED,               " "                             },
2066   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2067   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2068   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2069   { CE_UNDEFINED,               " "                             },
2070   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2071   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2072   { CE_NEXT_TO_X,               "next to"                       },
2073
2074   { -1,                         NULL                            }
2075 };
2076
2077 static struct ValueTextInfo options_change_trigger_side[] =
2078 {
2079   { CH_SIDE_LEFT,               "left"                          },
2080   { CH_SIDE_RIGHT,              "right"                         },
2081   { CH_SIDE_TOP,                "top"                           },
2082   { CH_SIDE_BOTTOM,             "bottom"                        },
2083   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2084   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2085   { CH_SIDE_ANY,                "any"                           },
2086
2087   { -1,                         NULL                            }
2088 };
2089
2090 static struct ValueTextInfo options_change_trigger_player[] =
2091 {
2092   { CH_PLAYER_1,                "1"                             },
2093   { CH_PLAYER_2,                "2"                             },
2094   { CH_PLAYER_3,                "3"                             },
2095   { CH_PLAYER_4,                "4"                             },
2096   { CH_PLAYER_ANY,              "any"                           },
2097
2098   { -1,                         NULL                            }
2099 };
2100
2101 static struct ValueTextInfo options_change_trigger_page[] =
2102 {
2103   { (1u << 0),                  "1"                             },
2104   { (1u << 1),                  "2"                             },
2105   { (1u << 2),                  "3"                             },
2106   { (1u << 3),                  "4"                             },
2107   { (1u << 4),                  "5"                             },
2108   { (1u << 5),                  "6"                             },
2109   { (1u << 6),                  "7"                             },
2110   { (1u << 7),                  "8"                             },
2111   { (1u << 8),                  "9"                             },
2112   { (1u << 9),                  "10"                            },
2113   { (1u << 10),                 "11"                            },
2114   { (1u << 11),                 "12"                            },
2115   { (1u << 12),                 "13"                            },
2116   { (1u << 13),                 "14"                            },
2117   { (1u << 14),                 "15"                            },
2118   { (1u << 15),                 "16"                            },
2119   { (1u << 16),                 "17"                            },
2120   { (1u << 17),                 "18"                            },
2121   { (1u << 18),                 "19"                            },
2122   { (1u << 19),                 "20"                            },
2123   { (1u << 20),                 "21"                            },
2124   { (1u << 21),                 "22"                            },
2125   { (1u << 22),                 "23"                            },
2126   { (1u << 23),                 "24"                            },
2127   { (1u << 24),                 "25"                            },
2128   { (1u << 25),                 "26"                            },
2129   { (1u << 26),                 "27"                            },
2130   { (1u << 27),                 "28"                            },
2131   { (1u << 28),                 "29"                            },
2132   { (1u << 29),                 "30"                            },
2133   { (1u << 30),                 "31"                            },
2134   { (1u << 31),                 "32"                            },
2135   { CH_PAGE_ANY,                "any"                           },
2136
2137   { -1,                         NULL                            }
2138 };
2139
2140 static struct ValueTextInfo options_change_replace_when[] =
2141 {
2142   { CP_WHEN_EMPTY,              "empty"                         },
2143   { CP_WHEN_WALKABLE,           "walkable"                      },
2144   { CP_WHEN_DIGGABLE,           "diggable"                      },
2145   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2146   { CP_WHEN_REMOVABLE,          "removable"                     },
2147   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2148
2149   { -1,                         NULL                            }
2150 };
2151
2152 static struct ValueTextInfo options_action_type[] =
2153 {
2154   { CA_NO_ACTION,               "no action"                     },
2155   { CA_UNDEFINED,               " "                             },
2156   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2157   { CA_RESTART_LEVEL,           "restart level"                 },
2158   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2159   { CA_SET_LEVEL_TIME,          "set time"                      },
2160   { CA_SET_LEVEL_SCORE,         "set score"                     },
2161   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2162   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2163   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2164   { CA_UNDEFINED,               " "                             },
2165   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2166   { CA_MOVE_PLAYER,             "move player"                   },
2167   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2168   { CA_EXIT_PLAYER,             "exit player"                   },
2169   { CA_KILL_PLAYER,             "kill player"                   },
2170   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2171   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2172   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2173   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2174   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2175   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2176   { CA_UNDEFINED,               " "                             },
2177   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2178   { CA_SET_CE_VALUE,            "set CE value"                  },
2179   { CA_SET_CE_SCORE,            "set CE score"                  },
2180   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2181   { CA_UNDEFINED,               " "                             },
2182   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2183   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2184
2185   { -1,                         NULL                            }
2186 };
2187
2188 static struct ValueTextInfo options_action_mode_none[] =
2189 {
2190   { CA_MODE_UNDEFINED,          " "                             },
2191
2192   { -1,                         NULL                            }
2193 };
2194
2195 static struct ValueTextInfo options_action_mode_assign[] =
2196 {
2197   { CA_MODE_SET,                "="                             },
2198
2199   { -1,                         NULL                            }
2200 };
2201
2202 static struct ValueTextInfo options_action_mode_add_remove[] =
2203 {
2204   { CA_MODE_ADD,                "+"                             },
2205   { CA_MODE_SUBTRACT,           "-"                             },
2206
2207   { -1,                         NULL                            }
2208 };
2209
2210 static struct ValueTextInfo options_action_mode_calculate[] =
2211 {
2212   { CA_MODE_SET,                "="                             },
2213   { CA_MODE_ADD,                "+"                             },
2214   { CA_MODE_SUBTRACT,           "-"                             },
2215   { CA_MODE_MULTIPLY,           "*"                             },
2216   { CA_MODE_DIVIDE,             "/"                             },
2217   { CA_MODE_MODULO,             "%"                             },
2218
2219   { -1,                         NULL                            }
2220 };
2221
2222 static struct ValueTextInfo options_action_arg_none[] =
2223 {
2224   { CA_ARG_UNDEFINED,           "         "                     },
2225
2226   { -1,                         NULL                            }
2227 };
2228
2229 static struct ValueTextInfo options_action_arg_player[] =
2230 {
2231   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2232   { CA_ARG_PLAYER_1,            "1"                             },
2233   { CA_ARG_PLAYER_2,            "2"                             },
2234   { CA_ARG_PLAYER_3,            "3"                             },
2235   { CA_ARG_PLAYER_4,            "4"                             },
2236   { CA_ARG_PLAYER_ANY,          "any"                           },
2237   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2238   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2239
2240   { -1,                         NULL                            }
2241 };
2242
2243 static struct ValueTextInfo options_action_arg_number[] =
2244 {
2245   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2246   { CA_ARG_0,                   "0"                             },
2247   { CA_ARG_1,                   "1"                             },
2248   { CA_ARG_2,                   "2"                             },
2249   { CA_ARG_3,                   "3"                             },
2250   { CA_ARG_4,                   "4"                             },
2251   { CA_ARG_5,                   "5"                             },
2252   { CA_ARG_10,                  "10"                            },
2253   { CA_ARG_100,                 "100"                           },
2254   { CA_ARG_1000,                "1000"                          },
2255   { CA_ARG_UNDEFINED,           " "                             },
2256   { CA_ARG_NUMBER_MIN,          "min"                           },
2257   { CA_ARG_NUMBER_MAX,          "max"                           },
2258   { CA_ARG_UNDEFINED,           " "                             },
2259   { CA_ARG_NUMBER_RESET,        "reset"                         },
2260   { CA_ARG_UNDEFINED,           " "                             },
2261   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2262   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2263   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2264   { CA_ARG_UNDEFINED,           " "                             },
2265   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2266   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2267   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2268   { CA_ARG_UNDEFINED,           " "                             },
2269   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2270   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2271   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2272   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2273   { CA_ARG_UNDEFINED,           " "                             },
2274   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2275   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2276   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2277   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2278
2279   { -1,                         NULL                            }
2280 };
2281
2282 static struct ValueTextInfo options_action_arg_value[] =
2283 {
2284   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2285   { CA_ARG_0,                   "0"                             },
2286   { CA_ARG_1,                   "1"                             },
2287   { CA_ARG_2,                   "2"                             },
2288   { CA_ARG_3,                   "3"                             },
2289   { CA_ARG_4,                   "4"                             },
2290   { CA_ARG_5,                   "5"                             },
2291   { CA_ARG_10,                  "10"                            },
2292   { CA_ARG_100,                 "100"                           },
2293   { CA_ARG_1000,                "1000"                          },
2294   { CA_ARG_UNDEFINED,           " "                             },
2295   { CA_ARG_NUMBER_MIN,          "min"                           },
2296   { CA_ARG_NUMBER_MAX,          "max"                           },
2297   { CA_ARG_UNDEFINED,           " "                             },
2298   { CA_ARG_NUMBER_RESET,        "reset"                         },
2299   { CA_ARG_UNDEFINED,           " "                             },
2300   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2301   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2302   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2303   { CA_ARG_UNDEFINED,           " "                             },
2304   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2305   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2306   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2307   { CA_ARG_UNDEFINED,           " "                             },
2308   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2309   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2310   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2311   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2312   { CA_ARG_UNDEFINED,           " "                             },
2313   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2314   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2315   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2316   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2317   { CA_ARG_UNDEFINED,           " "                             },
2318   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2319   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2320   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2321   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2322
2323   { -1,                         NULL                            }
2324 };
2325
2326 static struct ValueTextInfo options_action_arg_envelope[] =
2327 {
2328   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2329   { CA_ARG_1,                   "1"                             },
2330   { CA_ARG_2,                   "2"                             },
2331   { CA_ARG_3,                   "3"                             },
2332   { CA_ARG_4,                   "4"                             },
2333   { CA_ARG_UNDEFINED,           " "                             },
2334   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2335   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2336   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2337   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2338
2339   { -1,                         NULL                            }
2340 };
2341
2342 static struct ValueTextInfo options_action_arg_key[] =
2343 {
2344   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2345   { CA_ARG_1,                   "1"                             },
2346   { CA_ARG_2,                   "2"                             },
2347   { CA_ARG_3,                   "3"                             },
2348   { CA_ARG_4,                   "4"                             },
2349   { CA_ARG_5,                   "5"                             },
2350   { CA_ARG_6,                   "6"                             },
2351   { CA_ARG_7,                   "7"                             },
2352   { CA_ARG_8,                   "8"                             },
2353   { CA_ARG_UNDEFINED,           " "                             },
2354   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2355   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2356   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2357   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2358
2359   { -1,                         NULL                            }
2360 };
2361
2362 static struct ValueTextInfo options_action_arg_speed[] =
2363 {
2364   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2365   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2366   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2367   { CA_ARG_SPEED_SLOW,          "slow"                          },
2368   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2369   { CA_ARG_SPEED_FAST,          "fast"                          },
2370   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2371   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2372   { CA_ARG_UNDEFINED,           " "                             },
2373   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2374   { CA_ARG_SPEED_FASTER,        "faster"                        },
2375   { CA_ARG_UNDEFINED,           " "                             },
2376   { CA_ARG_SPEED_RESET,         "reset"                         },
2377
2378   { -1,                         NULL                            }
2379 };
2380
2381 static struct ValueTextInfo options_action_arg_shield[] =
2382 {
2383   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2384   { CA_ARG_SHIELD_OFF,          "off"                           },
2385   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2386   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2387
2388   { -1,                         NULL                            }
2389 };
2390
2391 static struct ValueTextInfo options_action_arg_artwork[] =
2392 {
2393   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2394   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2395   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2396   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2397   { CA_ARG_UNDEFINED,           " "                             },
2398   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2399
2400   { -1,                         NULL                            }
2401 };
2402
2403 static struct ValueTextInfo options_action_arg_gravity[] =
2404 {
2405   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2406   { CA_ARG_GRAVITY_ON,          "on"                            },
2407   { CA_ARG_GRAVITY_OFF,         "off"                           },
2408   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2409
2410   { -1,                         NULL                            }
2411 };
2412
2413 static struct ValueTextInfo options_action_arg_direction[] =
2414 {
2415   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2416   { CA_ARG_DIRECTION_NONE,      "none"                          },
2417   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2418   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2419   { CA_ARG_DIRECTION_UP,        "up"                            },
2420   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2421   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2422   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2423
2424   { -1,                         NULL                            }
2425 };
2426
2427 static struct ValueTextInfo options_action_arg_scan_mode[] =
2428 {
2429   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2430   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2431   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2432
2433   { -1,                         NULL                            }
2434 };
2435
2436 static struct ValueTextInfo options_action_arg_inventory[] =
2437 {
2438   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2439   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2440   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2441   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2442   { CA_ARG_UNDEFINED,           " "                             },
2443   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2444   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2445   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2446   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2447   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2448   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2449   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2450   { CA_ARG_UNDEFINED,           " "                             },
2451   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2452
2453   { -1,                         NULL                            }
2454 };
2455
2456 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2457 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2458 {
2459   { -1,                         NULL                            }
2460 };
2461
2462 static struct ValueTextInfo options_group_choice_mode[] =
2463 {
2464   { ANIM_RANDOM,                "random"                        },
2465   { ANIM_LOOP,                  "loop"                          },
2466   { ANIM_LINEAR,                "linear"                        },
2467   { ANIM_PINGPONG,              "pingpong"                      },
2468   { ANIM_PINGPONG2,             "pingpong 2"                    },
2469   { ANIM_LEVEL_NR,              "level number"                  },
2470
2471   { -1,                         NULL                            }
2472 };
2473
2474 static struct ValueTextInfo *action_arg_modes[] =
2475 {
2476   options_action_mode_none,
2477   options_action_mode_assign,
2478   options_action_mode_add_remove,
2479   options_action_mode_calculate,
2480 };
2481
2482 static struct
2483 {
2484   int value;
2485   int mode;
2486   struct ValueTextInfo *options;
2487 }
2488 action_arg_options[] =
2489 {
2490   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2491   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2492   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2493   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2494   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2495   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2496   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2497   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2498   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2499   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2500   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2501   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2502   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2503   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2504   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2505   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2506   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2507   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2508   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2509   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2510   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2511   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2512
2513   { -1,                         FALSE,  NULL                            }
2514 };
2515
2516 static struct
2517 {
2518   int x, y;
2519   int gadget_id;
2520   int gadget_id_align;
2521   int size;     // char size of selectbox or '-1' (dynamically determined)
2522   struct ValueTextInfo *options;
2523   int *value;
2524   char *text_above, *text_left, *text_right, *infotext;
2525 } selectbox_info[ED_NUM_SELECTBOX] =
2526 {
2527   // ---------- level and editor settings -------------------------------------
2528
2529   {
2530     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2531     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2532     -1,
2533     options_time_or_steps,
2534     &level.use_step_counter,
2535     NULL, NULL, "(0 => no limit)",      "time or step limit"
2536   },
2537   {
2538     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2539     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2540     -1,
2541     options_time_score_base,
2542     &level.time_score_base,
2543     NULL, NULL, NULL,                   "time score for 1 or 10 seconds/steps"
2544   },
2545   {
2546     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2547     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2548     -1,
2549     options_game_engine_type,
2550     &level.game_engine_type,
2551     NULL, "game engine:", NULL,         "game engine"
2552   },
2553   {
2554     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2555     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2556     -1,
2557     options_levelset_save_mode,
2558     &levelset_save_mode,
2559     "Action:", NULL, NULL,              "action when saving level set"
2560   },
2561
2562   // ---------- element settings: configure (several elements) ----------------
2563
2564   {
2565     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2566     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2567     -1,
2568     options_wind_direction,
2569     &level.wind_direction_initial,
2570     NULL, "initial wind direction:", NULL,      "initial wind direction"
2571   },
2572   {
2573     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2574     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2575     -1,
2576     options_player_speed,
2577     &level.initial_player_stepsize[0],
2578     NULL, "initial player speed:", NULL,        "initial player speed"
2579   },
2580   {
2581     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2582     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2583     -1,
2584     options_group_choice_mode,
2585     &level.mm_ball_choice_mode,
2586     NULL, "choice type:", NULL,         "type of content choice"
2587   },
2588
2589   // ---------- element settings: configure 1 (custom elements) ---------------
2590
2591   {
2592     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2593     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2594     -1,
2595     options_access_type,
2596     &custom_element.access_type,
2597     NULL, NULL, NULL,                   "type of access to this field"
2598   },
2599   {
2600     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2601     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2602     -1,
2603     options_access_layer,
2604     &custom_element.access_layer,
2605     NULL, NULL, NULL,                   "layer of access for this field"
2606   },
2607   {
2608     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2609     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2610     -1,
2611     options_access_protected,
2612     &custom_element.access_protected,
2613     NULL, NULL, NULL,                   "protected access for this field"
2614   },
2615   {
2616     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2617     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2618     -1,
2619     options_access_direction,
2620     &custom_element.access_direction,
2621     NULL, "from", NULL,                 "access direction for this field"
2622   },
2623   {
2624     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2625     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2626     -1,
2627     options_walk_to_action,
2628     &custom_element.walk_to_action,
2629     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2630   },
2631
2632   // ---------- element settings: configure 2 (custom elements) ---------------
2633
2634   {
2635     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2636     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2637     -1,
2638     options_move_pattern,
2639     &custom_element.move_pattern,
2640     NULL, "can move", NULL,             "element move pattern"
2641   },
2642   {
2643     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2644     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2645     -1,
2646     options_move_direction,
2647     &custom_element.move_direction_initial,
2648     NULL, "starts moving", NULL,        "initial element move direction"
2649   },
2650   {
2651     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2652     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2653     -1,
2654     options_move_stepsize,
2655     &custom_element.move_stepsize,
2656     NULL, "move/fall speed", NULL,      "speed of element movement"
2657   },
2658   {
2659     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2660     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2661     -1,
2662     options_move_leave_type,
2663     &custom_element.move_leave_type,
2664     // left text with leading spaces to place gadget next to "can dig" gadget
2665     // (needed because drawing area gadgets created after selectbox gadgets)
2666     // NULL, "can dig:    can", ":",    "leave behind or change element"
2667     NULL, "            can", ":",       "leave behind or change element"
2668   },
2669   {
2670     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2671     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2672     -1,
2673     options_smash_targets,
2674     &custom_element.smash_targets,
2675     NULL, "can smash", NULL,            "elements that can be smashed"
2676   },
2677   {
2678     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2679     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2680     -1,
2681     options_slippery_type,
2682     &custom_element.slippery_type,
2683     NULL, "slippery", NULL,             "where other elements fall down"
2684   },
2685   {
2686     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2687     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2688     -1,
2689     options_deadliness,
2690     &custom_element.deadliness,
2691     NULL, "deadly when", NULL,          "deadliness of element"
2692   },
2693   {
2694     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2695     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2696     -1,
2697     options_explosion_type,
2698     &custom_element.explosion_type,
2699     NULL, "can explode", NULL,          "explosion type"
2700   },
2701
2702   // ---------- element settings: advanced (custom elements) ------------------
2703
2704   {
2705     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2706     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2707     -1,
2708     options_time_units,
2709     &custom_element_change.delay_frames,
2710     NULL, "delay time given in", NULL,  "delay time units for change"
2711   },
2712   {
2713     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2714     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2715     -1,
2716     options_change_direct_action,
2717     &custom_element_change.direct_action,
2718     NULL, NULL, NULL,                   "type of direct action"
2719   },
2720   {
2721     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2722     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2723     -1,
2724     options_change_other_action,
2725     &custom_element_change.other_action,
2726     NULL, NULL, "element:",             "type of other element action"
2727   },
2728   {
2729     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2730     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2731     -1,
2732     options_change_trigger_side,
2733     &custom_element_change.trigger_side,
2734     NULL, "at", "side",                 "element side triggering change"
2735   },
2736   {
2737     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2738     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2739     -1,
2740     options_change_trigger_player,
2741     &custom_element_change.trigger_player,
2742     NULL, "player:", " ",               "player that causes change"
2743   },
2744   {
2745     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2746     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2747     -1,
2748     options_change_trigger_page,
2749     &custom_element_change.trigger_page,
2750     NULL, "page:", NULL,                "change page that causes change"
2751   },
2752   {
2753     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2754     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2755     -1,
2756     options_change_replace_when,
2757     &custom_element_change.replace_when,
2758     NULL, "replace when", NULL,         "which elements can be replaced"
2759   },
2760   {
2761     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2762     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2763     15,
2764     options_action_type,
2765     &custom_element_change.action_type,
2766     NULL, NULL, NULL,                   "action on specified condition"
2767   },
2768   {
2769     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2770     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2771     -1,
2772     options_action_mode_none,
2773     &custom_element_change.action_mode,
2774     NULL, NULL, NULL,                   "action operator"
2775   },
2776   {
2777     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2778     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2779     -1,
2780     options_action_arg_none,
2781     &custom_element_change.action_arg,
2782     NULL, NULL, NULL,                   "action parameter"
2783   },
2784   {
2785     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2786     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2787     3,
2788     options_change_page,
2789     &custom_element.current_change_page,
2790     NULL, NULL, NULL,                   "element change page"
2791   },
2792
2793   // ---------- element settings: configure (group elements) ------------------
2794
2795   {
2796     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2797     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2798     -1,
2799     options_group_choice_mode,
2800     &group_element_info.choice_mode,
2801     NULL, "choice type:", NULL,         "type of group element choice"
2802   },
2803 };
2804
2805 static struct
2806 {
2807   int x, y;
2808   int gadget_id;
2809   int gadget_id_align;
2810   int size;
2811   char *text;
2812   char *text_above, *text_left, *text_right, *infotext;
2813 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2814 {
2815   // ---------- level and editor settings (tabs) ------------------------------
2816
2817   {
2818     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2819     GADGET_ID_LEVELCONFIG_LEVEL,        GADGET_ID_NONE,
2820     8,                                  "Level",
2821     NULL, NULL, NULL,                   "Configure level settings"
2822   },
2823   {
2824     -1,                                 -1,
2825     GADGET_ID_LEVELCONFIG_LEVELSET,     GADGET_ID_LEVELCONFIG_LEVEL,
2826     8,                                  "Levelset",
2827     NULL, NULL, NULL,                   "Update this or create new level set"
2828   },
2829   {
2830     -1,                                 -1,
2831     GADGET_ID_LEVELCONFIG_EDITOR,       GADGET_ID_LEVELCONFIG_LEVELSET,
2832     8,                                  "Editor",
2833     NULL, NULL, NULL,                   "Configure editor settings"
2834   },
2835
2836   // ---------- element settings (tabs) ---------------------------------------
2837
2838   {
2839     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2840     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2841     8,                                  "Info",
2842     NULL, NULL, NULL,                   "Show information about element"
2843   },
2844   {
2845     -1,                                 -1,
2846     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2847     8,                                  "Config",
2848     NULL, NULL, NULL,                   "Configure element properties"
2849   },
2850   {
2851     -1,                                 -1,
2852     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2853     8,                                  "Config 1",
2854     NULL, NULL, NULL,                   "Configure element properties, part 1"
2855   },
2856   {
2857     -1,                                 -1,
2858     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2859     8,                                  "Config 2",
2860     NULL, NULL, NULL,                   "Configure element properties, part 2"
2861   },
2862   {
2863     -1,                                 -1,
2864     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2865     8,                                  "Change",
2866     NULL, NULL, NULL,                   "Configure custom element change pages"
2867   },
2868
2869   // ---------- level and editor settings (buttons) ---------------------------
2870
2871   {
2872     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2873     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2874     -1,                                 "Save",
2875     NULL, NULL, NULL,                   "Update or create level set"
2876   },
2877   {
2878     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2879     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2880     -1,                                 "Save",
2881     NULL, NULL,                         "this level as level template",
2882     "Save current settings as new template"
2883   },
2884
2885   // ---------- element settings (buttons) ------------------------------------
2886
2887   {
2888     -1,                                 -1,
2889     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2890     -1,                                 "Save",
2891     NULL, " ",                          "As Template",
2892     "Save current settings as new template"
2893   },
2894   {
2895     -1,                                 -1,
2896     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2897     -1,                                 "New",
2898     NULL, NULL, NULL,                   "Add new change page"
2899   },
2900   {
2901     -1,                                 -1,
2902     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2903     -1,                                 "Delete",
2904     NULL, NULL, NULL,                   "Delete current change page"
2905   },
2906 };
2907
2908 static struct
2909 {
2910   int graphic;
2911   int x, y;
2912   int gadget_id;
2913   int gadget_id_align;
2914   char *text_left, *text_right, *infotext;
2915 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2916 {
2917   {
2918     IMG_EDITOR_COUNTER_DOWN,
2919     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2920     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2921     NULL, NULL,                         "select previous change page"
2922   },
2923   {
2924     IMG_EDITOR_COUNTER_UP,
2925     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2926     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2927     NULL, "change page",                "select next change page"
2928   },
2929   {
2930     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2931     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2932     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2933     " ", NULL,                          "copy settings from this change page"
2934   },
2935   {
2936     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2937     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2938     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2939     NULL, NULL,                         "paste settings to this change page"
2940   },
2941 };
2942
2943 static struct
2944 {
2945   int x, y;
2946 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2947
2948 static struct
2949 {
2950   int graphic;
2951   int gadget_id;
2952   char *infotext;
2953 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2954 {
2955   {
2956     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2957     GADGET_ID_SCROLL_UP,
2958     "scroll level editing area up"
2959   },
2960   {
2961     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2962     GADGET_ID_SCROLL_DOWN,
2963     "scroll level editing area down"
2964   },
2965   {
2966     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2967     GADGET_ID_SCROLL_LEFT,
2968     "scroll level editing area left"
2969   },
2970   {
2971     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2972     GADGET_ID_SCROLL_RIGHT,
2973     "scroll level editing area right"
2974   },
2975   {
2976     IMG_EDITOR_PALETTE_SCROLL_UP,
2977     GADGET_ID_SCROLL_LIST_UP,
2978     "scroll element list up ('Page Up')"
2979   },
2980   {
2981     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2982     GADGET_ID_SCROLL_LIST_DOWN,
2983     "scroll element list down ('Page Down')"
2984   },
2985 };
2986
2987 static struct
2988 {
2989   int x, y;
2990   int width, height;
2991   int wheel_x, wheel_y;
2992   int wheel_width, wheel_height;
2993 } scrollbar_pos[ED_NUM_SCROLLBARS];
2994
2995 static struct
2996 {
2997   int graphic;
2998   int type;
2999   int gadget_id;
3000   char *infotext;
3001 } scrollbar_info[ED_NUM_SCROLLBARS] =
3002 {
3003   {
3004     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3005     GD_TYPE_SCROLLBAR_HORIZONTAL,
3006     GADGET_ID_SCROLL_HORIZONTAL,
3007     "scroll level editing area horizontally"
3008   },
3009   {
3010     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3011     GD_TYPE_SCROLLBAR_VERTICAL,
3012     GADGET_ID_SCROLL_VERTICAL,
3013     "scroll level editing area vertically"
3014   },
3015   {
3016     IMG_EDITOR_PALETTE_SCROLLBAR,
3017     GD_TYPE_SCROLLBAR_VERTICAL,
3018     GADGET_ID_SCROLL_LIST_VERTICAL,
3019     "scroll element list vertically"
3020   }
3021 };
3022
3023
3024 static struct
3025 {
3026   int x, y;
3027   int gadget_id;
3028   int gadget_id_align;
3029   int radio_button_nr;
3030   int *value;
3031   int checked_value;
3032   char *text_left, *text_right, *infotext;
3033 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3034 {
3035   {
3036     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3037     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3038     RADIO_NR_RANDOM_ELEMENTS,
3039     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3040     " ", "percentage",                  "use percentage for random elements"
3041   },
3042   {
3043     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3044     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3045     RADIO_NR_RANDOM_ELEMENTS,
3046     &random_placement_method,           RANDOM_USE_QUANTITY,
3047     " ", "quantity",                    "use quantity for random elements"
3048   }
3049 };
3050
3051 static struct
3052 {
3053   int x, y;
3054   int gadget_id;
3055   int gadget_id_align;
3056   boolean *value;
3057   char *text_above, *text_left, *text_right, *infotext;
3058 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3059 {
3060   // ---------- level and editor settings -------------------------------------
3061
3062   {
3063     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3064     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3065     &level.auto_count_gems,
3066     NULL, NULL,
3067     "automatically count gems needed",  "set counter to number of gems"
3068   },
3069   {
3070     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3071     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3072     &level.rate_time_over_score,
3073     NULL, NULL,
3074     "rate time/steps used over score",  "sort high scores by playing time/steps"
3075   },
3076   {
3077     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3078     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3079     &levelset_use_levelset_artwork,
3080     NULL, NULL,
3081     "use current custom artwork",       "use custom artwork of this level set"
3082   },
3083   {
3084     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3085     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3086     &levelset_copy_level_template,
3087     NULL, NULL,
3088     "copy current level template",      "copy level template of this level set"
3089   },
3090   {
3091     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3092     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3093     &random_placement_background_restricted,
3094     NULL, NULL,
3095     "restrict random placement to:",    "set random placement restriction"
3096   },
3097   {
3098     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3099     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3100     &setup.editor.use_template_for_new_levels,
3101     "Template for new levels and CE/GE:", NULL,
3102     "use template for new levels",      "use template for level properties"
3103   },
3104   {
3105     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3106     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3107     &level.use_custom_template,
3108     NULL, NULL,
3109     "use template for custom elements", "use template for custom properties"
3110   },
3111
3112   // ---------- element settings: configure (various elements) ----------------
3113
3114   {
3115     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3116     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3117     &stick_element_properties_window,
3118     NULL, NULL,
3119     "stick this screen to edit content","stick this screen to edit content"
3120   },
3121   {
3122     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3123     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3124     &level.em_slippery_gems,
3125     NULL, NULL,
3126     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3127   },
3128   {
3129     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3130     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3131     &level.em_explodes_by_fire,
3132     NULL, NULL,
3133     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3134   },
3135   {
3136     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3137     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3138     &level.use_spring_bug,
3139     NULL, NULL,
3140     "use spring pushing bug",           "use odd spring pushing behaviour"
3141   },
3142   {
3143     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3144     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3145     &level.use_time_orb_bug,
3146     NULL, NULL,
3147     "use time orb bug",                 "use odd time orb behaviour"
3148   },
3149   {
3150     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3151     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3152     &level.use_life_bugs,
3153     NULL, NULL,
3154     "use buggy element behaviour",      "use odd (historic) element behaviour"
3155   },
3156   {
3157     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3158     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3159     &level.ball_random,
3160     NULL, NULL,
3161     "create single random element",     "only create one element from content"
3162   },
3163   {
3164     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3165     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3166     &level.ball_active_initial,
3167     NULL, NULL,
3168     "magic ball initially activated",   "activate magic ball after level start"
3169   },
3170   {
3171     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3172     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3173     &level.grow_into_diggable,
3174     NULL, NULL,
3175     "can grow into anything diggable",  "grow into more than just sand"
3176   },
3177   {
3178     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3179     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3180     &level.sb_fields_needed,
3181     NULL, NULL,
3182     "all fields need to be filled",     "require all SB fields to be solved"
3183   },
3184   {
3185     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3186     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3187     &level.sb_objects_needed,
3188     NULL, NULL,
3189     "all objects need to be placed",    "require all SB objects to be solved"
3190   },
3191   {
3192     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3193     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3194     &level.auto_exit_sokoban,
3195     NULL, NULL,
3196     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3197   },
3198   {
3199     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3200     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3201     &level.solved_by_one_player,
3202     NULL, NULL,
3203     "only one player must enter exit",  "level solved by first player in exit"
3204   },
3205   {
3206     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3207     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3208     &level.finish_dig_collect,
3209     NULL, NULL,
3210     "CE action on finished dig/collect", "only finished dig/collect triggers CE"
3211   },
3212   {
3213     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3214     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3215     &level.keep_walkable_ce,
3216     NULL, NULL,
3217     "keep walkable CE changed to player", "keep CE changing to player if walkable"
3218   },
3219   {
3220     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3221     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3222     &level.continuous_snapping,
3223     NULL, NULL,
3224     "continuous snapping",              "use snapping without releasing key"
3225   },
3226   {
3227     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3228     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3229     &level.block_snap_field,
3230     NULL, NULL,
3231     "block snapped field when snapping", "use snapping delay to show animation"
3232   },
3233   {
3234     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3235     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3236     &level.block_last_field,
3237     NULL, NULL,
3238     "block last field when moving",     "player blocks last field when moving"
3239   },
3240   {
3241     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3242     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3243     &level.sp_block_last_field,
3244     NULL, NULL,
3245     "block last field when moving",     "player blocks last field when moving"
3246   },
3247   {
3248     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3249     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3250     &level.instant_relocation,
3251     NULL, NULL,
3252     "no scrolling when relocating",     "player gets relocated without delay"
3253   },
3254   {
3255     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3256     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3257     &level.shifted_relocation,
3258     NULL, NULL,
3259     "no centering when relocating",     "level not centered after relocation"
3260   },
3261   {
3262     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3263     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3264     &level.lazy_relocation,
3265     NULL, NULL,
3266     "only redraw off-screen relocation","no redraw if relocation target visible"
3267   },
3268   {
3269     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3270     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3271     &level.use_start_element[0],
3272     NULL, NULL,
3273     "use level start element:",        "start level at this element's position"
3274   },
3275   {
3276     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3277     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3278     &level.use_artwork_element[0],
3279     NULL, NULL,
3280     "use artwork from element:",        "use player artwork from other element"
3281   },
3282   {
3283     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3284     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3285     &level.use_explosion_element[0],
3286     NULL, NULL,
3287     "use explosion from element:",      "use explosion properties from element"
3288   },
3289   {
3290     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3291     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3292     &level.initial_player_gravity[0],
3293     NULL, NULL,
3294     "use initial gravity",              "set initial player gravity"
3295   },
3296   {
3297     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3298     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3299     &level.use_initial_inventory[0],
3300     NULL, NULL,
3301     "use initial inventory:",           "use collected elements on level start"
3302   },
3303   {
3304     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3305     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3306     &level.can_pass_to_walkable,
3307     NULL, NULL,
3308     "can pass to walkable element",     "player can pass to empty or walkable"
3309   },
3310   {
3311     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3312     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3313     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3314     NULL, NULL,
3315     "can fall into acid (with gravity)","player can fall into acid pool"
3316   },
3317   {
3318     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3319     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3320     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3321     NULL, NULL,
3322     "can move into acid",               "element can move into acid pool"
3323   },
3324   {
3325     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3326     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3327     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3328     NULL, NULL,
3329     "deadly when colliding with",       "element is deadly when hitting player"
3330   },
3331   {
3332     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3333     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3334     &level.envelope[0].autowrap,
3335     NULL, NULL,
3336     "auto-wrap",                        "automatically wrap envelope text"
3337   },
3338   {
3339     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3340     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3341     &level.envelope[0].centered,
3342     NULL, " ",
3343     "centered",                         "automatically center envelope text"
3344   },
3345   {
3346     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3347     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3348     &level.mm_laser_red,
3349     "choose color components for laser:", NULL,
3350     "red",                              "use red color components in laser"
3351   },
3352   {
3353     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3354     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3355     &level.mm_laser_green,
3356     NULL, NULL,
3357     "green",                            "use green color components in laser"
3358   },
3359   {
3360     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3361     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3362     &level.mm_laser_blue,
3363     NULL, NULL,
3364     "blue",                             "use blue color components in laser"
3365   },
3366   {
3367     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3368     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3369     &level.df_laser_red,
3370     "choose color components for laser:", NULL,
3371     "red",                              "use red color components in laser"
3372   },
3373   {
3374     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3375     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3376     &level.df_laser_green,
3377     NULL, NULL,
3378     "green",                            "use green color components in laser"
3379   },
3380   {
3381     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3382     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3383     &level.df_laser_blue,
3384     NULL, NULL,
3385     "blue",                             "use blue color components in laser"
3386   },
3387   {
3388     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3389     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3390     &level.rotate_mm_ball_content,
3391     NULL, NULL,
3392     "randomly rotate created content",  "randomly rotate newly created content"
3393   },
3394   {
3395     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3396     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3397     &level.explode_mm_ball,
3398     NULL, NULL,
3399     "explode ball instead of melting",  "use explosion to release ball content"
3400   },
3401
3402   // ---------- element settings: configure 1 (custom elements) ---------------
3403
3404   {
3405     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3406     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3407     &custom_element.use_gfx_element,
3408     NULL, NULL,
3409     "use graphic of element:",          "use existing element graphic"
3410   },
3411   {
3412     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3413     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3414     &level.use_custom_template,
3415     NULL, NULL,
3416     "use template",                     "use template for custom properties"
3417   },
3418   {
3419     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3420     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3421     &custom_element_properties[EP_ACCESSIBLE],
3422     NULL, NULL,
3423     NULL,                               "player can walk to or pass this field"
3424   },
3425   {
3426     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3427     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3428     &custom_element_properties[EP_GRAVITY_REACHABLE],
3429     NULL, NULL,
3430     "reachable despite gravity",        "player can walk/dig despite gravity"
3431   },
3432   {
3433     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3434     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3435     &custom_element.use_last_ce_value,
3436     NULL, NULL,
3437     "use last CE value after change",   "use last CE value after change"
3438   },
3439   {
3440     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3441     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3442     &custom_element_properties[EP_WALK_TO_OBJECT],
3443     NULL, NULL,
3444     NULL,                               "player can dig/collect/push element"
3445   },
3446   {
3447     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3448     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3449     &custom_element_properties[EP_INDESTRUCTIBLE],
3450     NULL, NULL,
3451     "indestructible",                   "element is indestructible"
3452   },
3453
3454   // ---------- element settings: configure 2 (custom elements) ---------------
3455
3456   {
3457     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3458     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3459     &custom_element_properties[EP_CAN_MOVE],
3460     NULL, NULL,
3461     NULL,                               "element can move with some pattern"
3462   },
3463   {
3464     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3465     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3466     &custom_element_properties[EP_CAN_FALL],
3467     NULL, NULL,
3468     "can fall",                         "element can fall down"
3469   },
3470   {
3471     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3472     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3473     &custom_element_properties[EP_CAN_SMASH],
3474     NULL, " ",
3475     NULL,                               "element can smash other elements"
3476   },
3477   {
3478     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3479     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3480     &custom_element_properties[EP_SLIPPERY],
3481     NULL, NULL,
3482     NULL,                               "other elements can fall down from it"
3483   },
3484   {
3485     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3486     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3487     &custom_element_properties[EP_DEADLY],
3488     NULL, NULL,
3489     NULL,                               "element can kill the player"
3490   },
3491   {
3492     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3493     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3494     &custom_element_properties[EP_CAN_EXPLODE],
3495     NULL, NULL,
3496     NULL,                               "element can explode"
3497   },
3498   {
3499     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
3500     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3501     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3502     NULL, NULL,
3503     "by fire",                          "element can explode by fire/explosion"
3504   },
3505   {
3506     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3507     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3508     &custom_element_properties[EP_EXPLODES_SMASHED],
3509     NULL, " ",
3510     "smashed",                          "element can explode when smashed"
3511   },
3512   {
3513     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3514     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3515     &custom_element_properties[EP_EXPLODES_IMPACT],
3516     NULL, " ",
3517     "impact",                           "element can explode on impact"
3518   },
3519
3520   // ---------- element settings: advanced (custom elements) ------------------
3521
3522   {
3523     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3524     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3525     &custom_element_change.can_change,
3526     NULL, NULL,
3527     "element changes to:",              "change element on specified condition"
3528   },
3529   {
3530     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3531     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3532     &custom_element_change_events[CE_DELAY],
3533     NULL, NULL,
3534     NULL,                               "element changes after delay"
3535   },
3536   {
3537     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3538     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3539     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3540     NULL, NULL,
3541     NULL,                               "element changes by direct action"
3542   },
3543   {
3544     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3545     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3546     &custom_element_change_events[CE_BY_OTHER_ACTION],
3547     NULL, NULL,
3548     NULL,                               "element changes by other element"
3549   },
3550   {
3551     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3552     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3553     &custom_element_change.explode,
3554     NULL, NULL,
3555     "explode instead of change",        "element explodes instead of change"
3556   },
3557   {
3558     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3559     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3560     &custom_element_change.use_target_content,
3561     NULL, NULL,
3562     "use extended change target:",      "element changes to more elements"
3563   },
3564   {
3565     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3566     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3567     &custom_element_change.only_if_complete,
3568     NULL, NULL,
3569     "replace all or nothing",           "only replace when all can be changed"
3570   },
3571   {
3572     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3573     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3574     &custom_element_change.use_random_replace,
3575     NULL, NULL,
3576     NULL,                               "use percentage for random replace"
3577   },
3578   {
3579     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3580     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3581     &custom_element_change.has_action,
3582     NULL, NULL,
3583     NULL,                               "execute action on specified condition"
3584   },
3585 };
3586
3587 static struct
3588 {
3589   int x, y;
3590   int xoffset, yoffset;
3591   int gadget_id;
3592   int gadget_id_align;
3593   int *value;
3594   int area_xsize, area_ysize;
3595   char *text_left, *text_right, *text_above, *text_below, *infotext;
3596 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3597 {
3598   // ---------- level playfield content ---------------------------------------
3599
3600   {
3601     0,                                  0,
3602     0,                                  0,
3603     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3604     NULL,
3605     -1, -1,     // these values are not constant, but can change at runtime
3606     NULL, NULL, NULL, NULL,             NULL
3607   },
3608
3609   // ---------- yam yam content -----------------------------------------------
3610
3611   {
3612     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3613     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3614     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3615     &level.yamyam_content[0].e[0][0],   3, 3,
3616     NULL, NULL, NULL, "1",              NULL
3617   },
3618   {
3619     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3620     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3621     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3622     &level.yamyam_content[1].e[0][0],   3, 3,
3623     NULL, NULL, NULL, "2",              NULL
3624   },
3625   {
3626     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3627     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3628     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3629     &level.yamyam_content[2].e[0][0],   3, 3,
3630     NULL, NULL, NULL, "3",              NULL
3631   },
3632   {
3633     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3634     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3635     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3636     &level.yamyam_content[3].e[0][0],   3, 3,
3637     NULL, NULL, NULL, "4",              NULL
3638   },
3639   {
3640     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3641     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3642     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3643     &level.yamyam_content[4].e[0][0],   3, 3,
3644     NULL, NULL, NULL, "5",              NULL
3645   },
3646   {
3647     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3648     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3649     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3650     &level.yamyam_content[5].e[0][0],   3, 3,
3651     NULL, NULL, NULL, "6",              NULL
3652   },
3653   {
3654     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3655     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3656     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3657     &level.yamyam_content[6].e[0][0],   3, 3,
3658     NULL, NULL, NULL, "7",              NULL
3659   },
3660   {
3661     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3662     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3663     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3664     &level.yamyam_content[7].e[0][0],   3, 3,
3665     NULL, NULL, NULL, "8",              NULL
3666   },
3667
3668   // ---------- magic ball content --------------------------------------------
3669
3670   {
3671     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3672     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3673     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3674     &level.ball_content[0].e[0][0],     3, 3,
3675     NULL, NULL, NULL, "1",              NULL
3676   },
3677   {
3678     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3679     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3680     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3681     &level.ball_content[1].e[0][0],     3, 3,
3682     NULL, NULL, NULL, "2",              NULL
3683   },
3684   {
3685     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3686     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3687     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3688     &level.ball_content[2].e[0][0],     3, 3,
3689     NULL, NULL, NULL, "3",              NULL
3690   },
3691   {
3692     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3693     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3694     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3695     &level.ball_content[3].e[0][0],     3, 3,
3696     NULL, NULL, NULL, "4",              NULL
3697   },
3698   {
3699     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3700     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3701     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3702     &level.ball_content[4].e[0][0],     3, 3,
3703     NULL, NULL, NULL, "5",              NULL
3704   },
3705   {
3706     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3707     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3708     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3709     &level.ball_content[5].e[0][0],     3, 3,
3710     NULL, NULL, NULL, "6",              NULL
3711   },
3712   {
3713     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3714     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3715     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3716     &level.ball_content[6].e[0][0],     3, 3,
3717     NULL, NULL, NULL, "7",              NULL
3718   },
3719   {
3720     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3721     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3722     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3723     &level.ball_content[7].e[0][0],     3, 3,
3724     NULL, NULL, NULL, "8",              NULL
3725   },
3726
3727   // ---------- android content -----------------------------------------------
3728
3729   {
3730     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
3731     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3732     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3733     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3734     NULL, NULL, "elements:", NULL,      "elements android can clone"
3735   },
3736
3737   // ---------- amoeba content ------------------------------------------------
3738
3739   {
3740     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3741     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3742     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3743     &level.amoeba_content,              1, 1,
3744     "content:", NULL, NULL, NULL,       "amoeba content"
3745   },
3746
3747   // ---------- level start element -------------------------------------------
3748
3749   {
3750     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3751     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3752     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3753     &level.start_element[0],            1, 1,
3754     NULL, NULL, NULL, NULL,             "level start element"
3755   },
3756
3757   // ---------- player artwork element ----------------------------------------
3758
3759   {
3760     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3761     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3762     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3763     &level.artwork_element[0],          1, 1,
3764     NULL, NULL, NULL, NULL,             "element for player artwork"
3765   },
3766
3767   // ---------- player explosion element --------------------------------------
3768
3769   {
3770     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3771     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3772     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3773     &level.explosion_element[0],        1, 1,
3774     NULL, NULL, NULL, NULL,             "element for player explosion"
3775   },
3776
3777   // ---------- player initial inventory --------------------------------------
3778
3779   {
3780     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3781     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3782     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3783     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3784     NULL, NULL, NULL, NULL,             "content for initial inventory"
3785   },
3786
3787   // ---------- gray ball content -----------------------------------------
3788
3789   {
3790     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3791     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3792     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
3793     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
3794     "content:", NULL, NULL, NULL,       "content for gray ball"
3795   },
3796
3797   // ---------- element settings: configure 1 (custom elements) ---------------
3798
3799   // ---------- custom graphic ------------------------------------------------
3800
3801   {
3802     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3803     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3804     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3805     &custom_element.gfx_element_initial, 1, 1,
3806     NULL, NULL, NULL, NULL,             "custom graphic element"
3807   },
3808
3809   // ---------- element settings: configure 2 (custom elements) ---------------
3810
3811   // ---------- custom content (when exploding) -------------------------------
3812
3813   {
3814     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
3815     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3816     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
3817     &custom_element.content.e[0][0],    3, 3,
3818     "content:", NULL, NULL, NULL,       NULL
3819   },
3820
3821   // ---------- custom enter and leave element (when moving) ------------------
3822
3823   {
3824     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3825     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3826     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3827     &custom_element.move_enter_element, 1, 1,
3828     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
3829   },
3830   {
3831     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3832     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3833     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3834     &custom_element.move_leave_element, 1, 1,
3835     NULL, NULL, NULL, NULL,             "element that will be left behind"
3836   },
3837
3838   // ---------- element settings: advanced (custom elements) ------------------
3839
3840   // ---------- custom change target ------------------------------------------
3841
3842   {
3843     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3844     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3845     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3846     &custom_element_change.target_element, 1, 1,
3847     NULL, "after/when:", NULL, NULL,    "new target element after change"
3848   },
3849
3850   // ---------- custom change content (extended change target) ----------------
3851
3852   {
3853     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3854     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3855     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
3856     &custom_element_change.target_content.e[0][0], 3, 3,
3857     NULL, NULL, NULL, NULL,             "new extended elements after change"
3858   },
3859
3860   // ---------- custom change trigger (element causing change) ----------------
3861
3862   {
3863     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3864     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3865     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3866     &custom_element_change.initial_trigger_element, 1, 1,
3867     NULL, NULL, NULL, NULL,             "other element triggering change"
3868   },
3869
3870   // ---------- custom change action (element used for action) ----------------
3871
3872   {
3873     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3874     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3875     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3876     &custom_element_change.action_element, 1, 1,
3877     NULL, NULL, NULL, NULL,             "element used as action parameter"
3878   },
3879
3880   // ---------- group element content -----------------------------------------
3881
3882   {
3883     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3884     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3885     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3886     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3887     "content:", NULL, NULL, NULL,       NULL
3888   },
3889
3890   // ---------- random background (for random painting) -----------------------
3891
3892   {
3893     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3894     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3895     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3896     &random_placement_background_element, 1, 1,
3897     NULL, NULL, NULL, NULL,             "random placement background"
3898   },
3899 };
3900
3901
3902 // ----------------------------------------------------------------------------
3903 // some internally used variables
3904 // ----------------------------------------------------------------------------
3905
3906 // maximal size of level editor drawing area
3907 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3908
3909 // actual size of level editor drawing area
3910 static int ed_fieldx, ed_fieldy;
3911
3912 // actual position of level editor drawing area in level playfield
3913 static int level_xpos = -1, level_ypos = -1;
3914
3915 // actual tile size used to display playfield drawing area
3916 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3917 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3918
3919 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3920
3921 // drawing elements on the three mouse buttons
3922 static int new_element1 = EL_WALL;
3923 static int new_element2 = EL_EMPTY;
3924 static int new_element3 = EL_SAND;
3925
3926 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3927 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3928                                 (button) == 2 ? new_element2 : \
3929                                 (button) == 3 ? new_element3 : EL_EMPTY)
3930
3931 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3932
3933 static int use_permanent_palette = TRUE;
3934
3935 #define PX              (use_permanent_palette ? DX : SX)
3936 #define PY              (use_permanent_palette ? DY : SY)
3937 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3938 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3939
3940 // forward declaration for internal use
3941 static void CopyBrushToCursor(int, int);
3942 static void DeleteBrushFromCursor(void);
3943 static void ModifyEditorCounterValue(int, int);
3944 static void ModifyEditorCounterLimits(int, int, int);
3945 static void ModifyEditorSelectboxValue(int, int);
3946 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3947 static void ModifyEditorDrawingArea(int, int, int);
3948 static void ModifyEditorElementList(void);
3949 static void AdjustElementListScrollbar(void);
3950 static void RedrawDrawingElements(void);
3951 static void DrawDrawingWindowExt(boolean);
3952 static void DrawDrawingWindow(void);
3953 static void DrawLevelConfigWindow(void);
3954 static void DrawPropertiesWindow(void);
3955 static void DrawPaletteWindow(void);
3956 static void UpdateCustomElementGraphicGadgets(void);
3957 static boolean checkPropertiesConfig(int);
3958 static void SetAutomaticNumberOfGemsNeeded(void);
3959 static void ClearEditorGadgetInfoText(void);
3960 static void CopyLevelToUndoBuffer(int);
3961 static void HandleDrawingAreas(struct GadgetInfo *);
3962 static void HandleCounterButtons(struct GadgetInfo *);
3963 static void HandleTextInputGadgets(struct GadgetInfo *);
3964 static void HandleTextAreaGadgets(struct GadgetInfo *);
3965 static void HandleSelectboxGadgets(struct GadgetInfo *);
3966 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3967 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3968 static void HandleRadiobuttons(struct GadgetInfo *);
3969 static void HandleCheckbuttons(struct GadgetInfo *);
3970 static void HandleControlButtons(struct GadgetInfo *);
3971 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3972 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3973 static boolean AskToCopyAndModifyLevelTemplate(void);
3974 static boolean getDrawModeHiRes(void);
3975 static int getTabulatorBarWidth(void);
3976 static int getTabulatorBarHeight(void);
3977 static Pixel getTabulatorBarColor(void);
3978 static int numHiresTiles(int);
3979
3980 static int num_editor_gadgets = 0;      // dynamically determined
3981
3982 static struct GadgetInfo **level_editor_gadget = NULL;
3983 static int *right_gadget_border = NULL;
3984
3985 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3986 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3987 static boolean draw_with_brush = FALSE;
3988 static int properties_element = 0;
3989
3990 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3991 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3992 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3993 static int undo_buffer_position = 0;
3994 static int undo_buffer_steps = 0;
3995 static int redo_buffer_steps = 0;
3996
3997 static int edit_mode;
3998 static int edit_mode_levelconfig;
3999 static int edit_mode_properties;
4000
4001 static int element_shift = 0;
4002
4003 static int editor_el_players[] =
4004 {
4005   EL_PLAYER_1,
4006   EL_PLAYER_2,
4007   EL_PLAYER_3,
4008   EL_PLAYER_4
4009 };
4010 static int *editor_el_players_ptr = editor_el_players;
4011 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4012
4013 static int editor_hl_boulderdash[] =
4014 {
4015   EL_INTERNAL_CASCADE_BD_ACTIVE,
4016   EL_CHAR('B'),
4017   EL_CHAR('D'),
4018   EL_EMPTY,
4019 };
4020
4021 static int editor_el_boulderdash[] =
4022 {
4023   EL_EMPTY,
4024   EL_SAND,
4025   EL_BD_ROCK,
4026   EL_BD_DIAMOND,
4027
4028   EL_STEELWALL,
4029   EL_BD_WALL,
4030   EL_BD_EXPANDABLE_WALL,
4031   EL_BD_MAGIC_WALL,
4032
4033   EL_BD_AMOEBA,
4034   EL_BD_BUTTERFLY_UP,
4035   EL_BD_FIREFLY_UP,
4036   EL_EXIT_CLOSED,
4037
4038   EL_BD_BUTTERFLY_LEFT,
4039   EL_BD_FIREFLY_LEFT,
4040   EL_BD_BUTTERFLY_RIGHT,
4041   EL_BD_FIREFLY_RIGHT,
4042
4043   EL_EMPTY,
4044   EL_BD_BUTTERFLY_DOWN,
4045   EL_BD_FIREFLY_DOWN,
4046   EL_EXIT_OPEN,
4047 };
4048 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4049 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4050 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4051 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4052
4053 static int editor_hl_boulderdash_native[] =
4054 {
4055   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4056   EL_CHAR('B'),
4057   EL_CHAR('D'),
4058   EL_EMPTY,
4059 };
4060
4061 static int editor_el_boulderdash_native[] =
4062 {
4063   EL_EMPTY,
4064   EL_BD_SAND,
4065   EL_BD_SAND_BALL,
4066   EL_BD_SAND_LOOSE,
4067
4068   EL_BD_SAND_SLOPED_UP_RIGHT,
4069   EL_BD_SAND_SLOPED_UP_LEFT,
4070   EL_BD_SAND_SLOPED_DOWN_LEFT,
4071   EL_BD_SAND_SLOPED_DOWN_RIGHT,
4072
4073   EL_BD_WALL_SLOPED_UP_RIGHT,
4074   EL_BD_WALL_SLOPED_UP_LEFT,
4075   EL_BD_WALL_SLOPED_DOWN_LEFT,
4076   EL_BD_WALL_SLOPED_DOWN_RIGHT,
4077
4078   EL_BD_SAND_2,
4079   EL_BD_WALL_NON_SLOPED,
4080   EL_BD_WALL,
4081   EL_BD_MAGIC_WALL,
4082
4083   EL_BD_EXIT_CLOSED,
4084   EL_BD_EXIT_OPEN,
4085   EL_BD_INVISIBLE_EXIT_CLOSED,
4086   EL_BD_INVISIBLE_EXIT_OPEN,
4087
4088   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
4089   EL_BD_STEELWALL_SLOPED_UP_LEFT,
4090   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
4091   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
4092
4093   EL_BD_STEELWALL,
4094   EL_BD_STEELWALL_EXPLODABLE,
4095   EL_BD_STEELWALL_DIGGABLE,
4096   EL_BD_WALL_DIGGABLE,
4097
4098   EL_BD_ROCK,
4099   EL_BD_FLYING_ROCK,
4100   EL_BD_MEGA_ROCK,
4101   EL_BD_DIAMOND,
4102
4103   EL_BD_FLYING_DIAMOND,
4104   EL_BD_NUT,
4105   EL_BD_BLADDER_SPENDER,
4106   EL_BD_INBOX,
4107
4108   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
4109   EL_BD_EXPANDABLE_WALL_VERTICAL,
4110   EL_BD_EXPANDABLE_WALL_ANY,
4111   EL_BD_CREATURE_SWITCH,
4112
4113   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
4114   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
4115   EL_BD_EXPANDABLE_STEELWALL_ANY,
4116   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
4117
4118   EL_BD_BITER_SWITCH_1,
4119   EL_BD_REPLICATOR_SWITCH,
4120   EL_BD_CONVEYOR_SWITCH,
4121   EL_BD_CONVEYOR_DIR_SWITCH_RIGHT,
4122
4123   EL_BD_ACID,
4124   EL_BD_FALLING_WALL,
4125   EL_BD_BOX,
4126   EL_BD_TIME_PENALTY,
4127
4128   EL_BD_GRAVESTONE,
4129   EL_BD_ROCK_GLUED,
4130   EL_BD_DIAMOND_GLUED,
4131   EL_BD_DIAMOND_KEY,
4132
4133   EL_BD_TRAPPED_DIAMOND,
4134   EL_BD_CLOCK,
4135   EL_BD_SAND_GLUED,
4136   EL_BD_WATER,
4137
4138   EL_BD_KEY_1,
4139   EL_BD_KEY_2,
4140   EL_BD_KEY_3,
4141   EL_EMPTY,
4142
4143   EL_BD_WALL_KEY_1,
4144   EL_BD_WALL_KEY_2,
4145   EL_BD_WALL_KEY_3,
4146   EL_BD_WALL_DIAMOND,
4147
4148   EL_BD_GATE_1,
4149   EL_BD_GATE_2,
4150   EL_BD_GATE_3,
4151   EL_BD_POT,
4152
4153   EL_BD_GRAVITY_SWITCH,
4154   EL_BD_PNEUMATIC_HAMMER,
4155   EL_BD_TELEPORTER,
4156   EL_BD_SKELETON,
4157
4158   EL_BD_AMOEBA,
4159   EL_BD_AMOEBA_2,
4160   EL_BD_REPLICATOR,
4161   EL_EMPTY,
4162
4163   EL_BD_CONVEYOR_LEFT,
4164   EL_BD_CONVEYOR_RIGHT,
4165   EL_BD_BOMB,
4166   EL_BD_NITRO_PACK,
4167
4168   EL_BD_LAVA,
4169   EL_BD_SWEET,
4170   EL_BD_VOODOO_DOLL,
4171   EL_BD_SLIME,
4172
4173   EL_BD_BLADDER,
4174   EL_BD_WAITING_ROCK,
4175   EL_BD_CHASING_ROCK,
4176   EL_BD_GHOST,
4177
4178   EL_BD_COW_LEFT,
4179   EL_BD_COW_UP,
4180   EL_BD_COW_RIGHT,
4181   EL_BD_COW_DOWN,
4182
4183   EL_BD_FIREFLY_LEFT,
4184   EL_BD_FIREFLY_UP,
4185   EL_BD_FIREFLY_RIGHT,
4186   EL_BD_FIREFLY_DOWN,
4187
4188   EL_BD_FIREFLY_2_LEFT,
4189   EL_BD_FIREFLY_2_UP,
4190   EL_BD_FIREFLY_2_RIGHT,
4191   EL_BD_FIREFLY_2_DOWN,
4192
4193   EL_BD_BUTTERFLY_LEFT,
4194   EL_BD_BUTTERFLY_UP,
4195   EL_BD_BUTTERFLY_RIGHT,
4196   EL_BD_BUTTERFLY_DOWN,
4197
4198   EL_BD_BUTTERFLY_2_LEFT,
4199   EL_BD_BUTTERFLY_2_UP,
4200   EL_BD_BUTTERFLY_2_RIGHT,
4201   EL_BD_BUTTERFLY_2_DOWN,
4202
4203   EL_BD_STONEFLY_LEFT,
4204   EL_BD_STONEFLY_UP,
4205   EL_BD_STONEFLY_RIGHT,
4206   EL_BD_STONEFLY_DOWN,
4207
4208   EL_BD_BITER_UP,
4209   EL_BD_BITER_RIGHT,
4210   EL_BD_BITER_DOWN,
4211   EL_BD_BITER_LEFT,
4212
4213   EL_BD_DRAGONFLY_LEFT,
4214   EL_BD_DRAGONFLY_UP,
4215   EL_BD_DRAGONFLY_RIGHT,
4216   EL_BD_DRAGONFLY_DOWN,
4217
4218   EL_BD_PLAYER,
4219   EL_BD_PLAYER_WITH_BOMB,
4220   EL_BD_PLAYER_GLUED,
4221   EL_BD_PLAYER_STIRRING,
4222 };
4223 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
4224 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
4225 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
4226 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
4227
4228 static int editor_hl_emerald_mine[] =
4229 {
4230   EL_INTERNAL_CASCADE_EM_ACTIVE,
4231   EL_CHAR('E'),
4232   EL_CHAR('M'),
4233   EL_EMPTY,
4234 };
4235
4236 static int editor_el_emerald_mine[] =
4237 {
4238   EL_SAND,
4239   EL_ROCK,
4240   EL_QUICKSAND_EMPTY,
4241   EL_QUICKSAND_FULL,
4242
4243   EL_STEELWALL,
4244   EL_WALL,
4245   EL_WALL_SLIPPERY,
4246   EL_MAGIC_WALL,
4247
4248   EL_EMERALD,
4249   EL_DIAMOND,
4250   EL_NUT,
4251   EL_BOMB,
4252
4253   EL_EM_DYNAMITE,
4254   EL_EM_DYNAMITE_ACTIVE,
4255   EL_EM_EXIT_CLOSED,
4256   EL_EM_EXIT_OPEN,
4257
4258   EL_YAMYAM_UP,
4259   EL_BUG_UP,
4260   EL_SPACESHIP_UP,
4261   EL_ROBOT,
4262
4263   EL_BUG_LEFT,
4264   EL_SPACESHIP_LEFT,
4265   EL_BUG_RIGHT,
4266   EL_SPACESHIP_RIGHT,
4267
4268   EL_ROBOT_WHEEL,
4269   EL_BUG_DOWN,
4270   EL_SPACESHIP_DOWN,
4271   EL_INVISIBLE_WALL,
4272
4273   EL_ACID_POOL_TOPLEFT,
4274   EL_ACID,
4275   EL_ACID_POOL_TOPRIGHT,
4276   EL_AMOEBA_DROP,
4277
4278   EL_ACID_POOL_BOTTOMLEFT,
4279   EL_ACID_POOL_BOTTOM,
4280   EL_ACID_POOL_BOTTOMRIGHT,
4281   EL_AMOEBA_WET,
4282
4283   EL_EM_KEY_1,
4284   EL_EM_KEY_2,
4285   EL_EM_KEY_3,
4286   EL_EM_KEY_4,
4287
4288   EL_EM_GATE_1,
4289   EL_EM_GATE_2,
4290   EL_EM_GATE_3,
4291   EL_EM_GATE_4,
4292
4293   EL_EM_GATE_1_GRAY,
4294   EL_EM_GATE_2_GRAY,
4295   EL_EM_GATE_3_GRAY,
4296   EL_EM_GATE_4_GRAY,
4297 };
4298 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4299 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4300 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4301 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4302
4303 static int editor_hl_emerald_mine_club[] =
4304 {
4305   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4306   EL_CHAR('E'),
4307   EL_CHAR('M'),
4308   EL_CHAR('C'),
4309 };
4310
4311 static int editor_el_emerald_mine_club[] =
4312 {
4313   EL_EMC_KEY_5,
4314   EL_EMC_KEY_6,
4315   EL_EMC_KEY_7,
4316   EL_EMC_KEY_8,
4317
4318   EL_EMC_GATE_5,
4319   EL_EMC_GATE_6,
4320   EL_EMC_GATE_7,
4321   EL_EMC_GATE_8,
4322
4323   EL_EMC_GATE_5_GRAY,
4324   EL_EMC_GATE_6_GRAY,
4325   EL_EMC_GATE_7_GRAY,
4326   EL_EMC_GATE_8_GRAY,
4327
4328   EL_EMC_STEELWALL_1,
4329   EL_EMC_STEELWALL_2,
4330   EL_EMC_STEELWALL_3,
4331   EL_EMC_STEELWALL_4,
4332
4333   EL_EMC_WALL_13,
4334   EL_EMC_WALL_14,
4335   EL_EMC_WALL_15,
4336   EL_EMC_WALL_16,
4337
4338   EL_EMC_WALL_SLIPPERY_1,
4339   EL_EMC_WALL_SLIPPERY_2,
4340   EL_EMC_WALL_SLIPPERY_3,
4341   EL_EMC_WALL_SLIPPERY_4,
4342
4343   EL_EMC_WALL_1,
4344   EL_EMC_WALL_2,
4345   EL_EMC_WALL_3,
4346   EL_EMC_WALL_4,
4347
4348   EL_EMC_WALL_5,
4349   EL_EMC_WALL_6,
4350   EL_EMC_WALL_7,
4351   EL_EMC_WALL_8,
4352
4353   EL_EMC_WALL_9,
4354   EL_EMC_WALL_10,
4355   EL_EMC_WALL_11,
4356   EL_EMC_WALL_12,
4357
4358   EL_EMC_GRASS,
4359   EL_EMC_FAKE_GRASS,
4360   EL_EMC_PLANT,
4361   EL_EMC_DRIPPER,
4362
4363   EL_EMC_MAGIC_BALL,
4364   EL_EMC_MAGIC_BALL_SWITCH,
4365   EL_EMC_LENSES,
4366   EL_EMC_MAGNIFIER,
4367
4368   EL_SPRING_LEFT,
4369   EL_SPRING,
4370   EL_SPRING_RIGHT,
4371   EL_EMC_SPRING_BUMPER,
4372
4373   EL_BALLOON,
4374   EL_YAMYAM_UP,
4375   EL_BALLOON_SWITCH_UP,
4376   EL_BALLOON_SWITCH_ANY,
4377
4378   EL_YAMYAM_LEFT,
4379   EL_BALLOON_SWITCH_LEFT,
4380   EL_YAMYAM_RIGHT,
4381   EL_BALLOON_SWITCH_RIGHT,
4382
4383   EL_EMC_ANDROID,
4384   EL_YAMYAM_DOWN,
4385   EL_BALLOON_SWITCH_DOWN,
4386   EL_BALLOON_SWITCH_NONE,
4387 };
4388 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4389 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4390 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4391 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4392
4393 static int editor_hl_rnd[] =
4394 {
4395   EL_INTERNAL_CASCADE_RND_ACTIVE,
4396   EL_CHAR('R'),
4397   EL_CHAR('N'),
4398   EL_CHAR('D'),
4399 };
4400
4401 static int editor_el_rnd[] =
4402 {
4403   EL_DYNAMITE,                  // RND
4404   EL_DYNAMITE_ACTIVE,           // RND
4405   EL_EMPTY,
4406   EL_EMPTY,
4407
4408   EL_KEY_1,
4409   EL_KEY_2,
4410   EL_KEY_3,
4411   EL_KEY_4,
4412
4413   EL_GATE_1,
4414   EL_GATE_2,
4415   EL_GATE_3,
4416   EL_GATE_4,
4417
4418   EL_GATE_1_GRAY,
4419   EL_GATE_2_GRAY,
4420   EL_GATE_3_GRAY,
4421   EL_GATE_4_GRAY,
4422
4423   EL_ARROW_LEFT,
4424   EL_ARROW_RIGHT,
4425   EL_ARROW_UP,
4426   EL_ARROW_DOWN,
4427
4428   EL_AMOEBA_DEAD,
4429   EL_AMOEBA_DRY,
4430   EL_AMOEBA_FULL,
4431   EL_GAME_OF_LIFE,
4432
4433   EL_EMERALD_YELLOW,
4434   EL_EMERALD_RED,
4435   EL_EMERALD_PURPLE,
4436   EL_BIOMAZE,
4437
4438   EL_WALL_EMERALD_YELLOW,
4439   EL_WALL_EMERALD_RED,
4440   EL_WALL_EMERALD_PURPLE,
4441   EL_WALL_BD_DIAMOND,
4442
4443   EL_SPEED_PILL,
4444   EL_PACMAN_UP,
4445   EL_TIME_ORB_FULL,
4446   EL_TIME_ORB_EMPTY,
4447
4448   EL_PACMAN_LEFT,
4449   EL_DARK_YAMYAM,
4450   EL_PACMAN_RIGHT,
4451   EL_YAMYAM,                    // RND
4452
4453   EL_BLACK_ORB,
4454   EL_PACMAN_DOWN,
4455   EL_LAMP,
4456   EL_LAMP_ACTIVE,
4457
4458   EL_DYNABOMB_INCREASE_NUMBER,
4459   EL_DYNABOMB_INCREASE_SIZE,
4460   EL_DYNABOMB_INCREASE_POWER,
4461   EL_STONEBLOCK,
4462
4463   EL_MOLE,
4464   EL_PENGUIN,
4465   EL_PIG,
4466   EL_DRAGON,
4467
4468   EL_BUG,
4469   EL_MOLE_UP,
4470   EL_BD_BUTTERFLY,
4471   EL_BD_FIREFLY,
4472
4473   EL_MOLE_LEFT,
4474   EL_SATELLITE,
4475   EL_MOLE_RIGHT,
4476   EL_PACMAN,
4477
4478   EL_SPACESHIP,
4479   EL_MOLE_DOWN,
4480   EL_INVISIBLE_STEELWALL,
4481   EL_INVISIBLE_WALL,
4482
4483   EL_EXPANDABLE_WALL,
4484   EL_EXPANDABLE_WALL_HORIZONTAL,
4485   EL_EXPANDABLE_WALL_VERTICAL,
4486   EL_EXPANDABLE_WALL_ANY,
4487 };
4488 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4489 static int *editor_el_rnd_ptr = editor_el_rnd;
4490 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4491 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4492
4493 static int editor_hl_sokoban[] =
4494 {
4495   EL_INTERNAL_CASCADE_SB_ACTIVE,
4496   EL_CHAR('S'),
4497   EL_CHAR('B'),
4498   EL_EMPTY,
4499 };
4500
4501 static int editor_el_sokoban[] =
4502 {
4503   EL_SOKOBAN_OBJECT,
4504   EL_SOKOBAN_FIELD_EMPTY,
4505   EL_SOKOBAN_FIELD_FULL,
4506   EL_SOKOBAN_FIELD_PLAYER,
4507 };
4508 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4509 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4510 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4511 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4512
4513 static int editor_hl_supaplex[] =
4514 {
4515   EL_INTERNAL_CASCADE_SP_ACTIVE,
4516   EL_CHAR('S'),
4517   EL_CHAR('P'),
4518   EL_EMPTY,
4519 };
4520
4521 static int editor_el_supaplex[] =
4522 {
4523   EL_SP_MURPHY,
4524   EL_EMPTY,
4525   EL_SP_BASE,
4526   EL_SP_BUGGY_BASE,
4527
4528   EL_SP_INFOTRON,
4529   EL_SP_ZONK,
4530   EL_SP_SNIKSNAK,
4531   EL_SP_ELECTRON,
4532
4533   EL_SP_DISK_RED,
4534   EL_SP_DISK_ORANGE,
4535   EL_SP_DISK_YELLOW,
4536   EL_SP_TERMINAL,
4537
4538   EL_SP_EXIT_CLOSED,
4539   EL_SP_PORT_HORIZONTAL,
4540   EL_SP_PORT_VERTICAL,
4541   EL_SP_PORT_ANY,
4542
4543   EL_SP_PORT_LEFT,
4544   EL_SP_PORT_RIGHT,
4545   EL_SP_PORT_UP,
4546   EL_SP_PORT_DOWN,
4547
4548   EL_SP_GRAVITY_PORT_LEFT,
4549   EL_SP_GRAVITY_PORT_RIGHT,
4550   EL_SP_GRAVITY_PORT_UP,
4551   EL_SP_GRAVITY_PORT_DOWN,
4552
4553   EL_SP_GRAVITY_ON_PORT_LEFT,
4554   EL_SP_GRAVITY_ON_PORT_RIGHT,
4555   EL_SP_GRAVITY_ON_PORT_UP,
4556   EL_SP_GRAVITY_ON_PORT_DOWN,
4557
4558   EL_SP_GRAVITY_OFF_PORT_LEFT,
4559   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4560   EL_SP_GRAVITY_OFF_PORT_UP,
4561   EL_SP_GRAVITY_OFF_PORT_DOWN,
4562
4563   EL_SP_HARDWARE_GRAY,
4564   EL_SP_HARDWARE_GREEN,
4565   EL_SP_HARDWARE_BLUE,
4566   EL_SP_HARDWARE_RED,
4567
4568   EL_SP_HARDWARE_BASE_1,
4569   EL_SP_HARDWARE_BASE_2,
4570   EL_SP_HARDWARE_BASE_3,
4571   EL_SP_HARDWARE_BASE_4,
4572
4573   EL_SP_HARDWARE_BASE_5,
4574   EL_SP_HARDWARE_BASE_6,
4575   EL_SP_HARDWARE_YELLOW,
4576   EL_SP_CHIP_TOP,
4577
4578   EL_SP_CHIP_SINGLE,
4579   EL_SP_CHIP_LEFT,
4580   EL_SP_CHIP_RIGHT,
4581   EL_SP_CHIP_BOTTOM,
4582 };
4583 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4584 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4585 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4586 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4587
4588 static int editor_hl_diamond_caves[] =
4589 {
4590   EL_INTERNAL_CASCADE_DC_ACTIVE,
4591   EL_CHAR('D'),
4592   EL_CHAR('C'),
4593   EL_CHAR('2'),
4594 };
4595
4596 static int editor_el_diamond_caves[] =
4597 {
4598   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4599   EL_EM_STEEL_EXIT_OPEN,        // DC2
4600   EL_WALL_EMERALD,              // DC2
4601   EL_WALL_DIAMOND,              // DC2
4602
4603   EL_PEARL,
4604   EL_CRYSTAL,
4605   EL_WALL_PEARL,
4606   EL_WALL_CRYSTAL,
4607
4608   EL_CONVEYOR_BELT_1_LEFT,
4609   EL_CONVEYOR_BELT_1_MIDDLE,
4610   EL_CONVEYOR_BELT_1_RIGHT,
4611   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4612
4613   EL_CONVEYOR_BELT_2_LEFT,
4614   EL_CONVEYOR_BELT_2_MIDDLE,
4615   EL_CONVEYOR_BELT_2_RIGHT,
4616   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4617
4618   EL_CONVEYOR_BELT_3_LEFT,
4619   EL_CONVEYOR_BELT_3_MIDDLE,
4620   EL_CONVEYOR_BELT_3_RIGHT,
4621   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4622
4623   EL_CONVEYOR_BELT_4_LEFT,
4624   EL_CONVEYOR_BELT_4_MIDDLE,
4625   EL_CONVEYOR_BELT_4_RIGHT,
4626   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4627
4628   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4629   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4630   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4631   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4632
4633   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4634   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4635   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4636   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4637
4638   EL_TIMEGATE_CLOSED,
4639   EL_TIMEGATE_OPEN,
4640   EL_TIMEGATE_SWITCH,
4641   EL_DC_TIMEGATE_SWITCH,
4642
4643   EL_SWITCHGATE_CLOSED,
4644   EL_SWITCHGATE_OPEN,
4645   EL_SWITCHGATE_SWITCH_UP,
4646   EL_SWITCHGATE_SWITCH_DOWN,
4647
4648   EL_LIGHT_SWITCH,
4649   EL_LIGHT_SWITCH_ACTIVE,
4650   EL_DC_SWITCHGATE_SWITCH_UP,
4651   EL_DC_SWITCHGATE_SWITCH_DOWN,
4652
4653   EL_STEEL_EXIT_CLOSED,
4654   EL_STEEL_EXIT_OPEN,
4655   EL_STEELWALL_SLIPPERY,
4656   EL_INVISIBLE_SAND,
4657
4658   EL_QUICKSAND_FAST_EMPTY,
4659   EL_QUICKSAND_FAST_FULL,
4660   EL_LANDMINE,
4661   EL_DC_LANDMINE,
4662
4663   EL_SHIELD_NORMAL,
4664   EL_SHIELD_DEADLY,
4665   EL_EXTRA_TIME,
4666   EL_DC_MAGIC_WALL,
4667
4668   EL_ENVELOPE_1,
4669   EL_ENVELOPE_2,
4670   EL_ENVELOPE_3,
4671   EL_ENVELOPE_4,
4672
4673   EL_SIGN_RADIOACTIVITY,
4674   EL_SIGN_WHEELCHAIR,
4675   EL_SIGN_PARKING,
4676   EL_SIGN_NO_ENTRY,
4677
4678   EL_SIGN_GIVE_WAY,
4679   EL_SIGN_ENTRY_FORBIDDEN,
4680   EL_SIGN_EMERGENCY_EXIT,
4681   EL_SIGN_YIN_YANG,
4682
4683 #if 0
4684   EL_SIGN_SPERMS,
4685   EL_SIGN_BULLET,
4686   EL_SIGN_HEART,
4687   EL_SIGN_CROSS,
4688
4689   EL_SIGN_FRANKIE,
4690   EL_EMPTY,
4691   EL_EMPTY,
4692   EL_EMPTY,
4693
4694   EL_SPERMS,
4695   EL_BULLET,
4696   EL_HEART,
4697   EL_CROSS,
4698
4699   EL_FRANKIE,
4700   EL_EMPTY,
4701   EL_EMPTY,
4702   EL_EMPTY,
4703 #endif
4704
4705   EL_DC_STEELWALL_2_SINGLE,
4706   EL_DC_STEELWALL_2_TOP,
4707   EL_SIGN_EXCLAMATION,
4708   EL_SIGN_STOP,
4709
4710   EL_DC_STEELWALL_2_LEFT,
4711   EL_DC_STEELWALL_2_MIDDLE,
4712   EL_DC_STEELWALL_2_HORIZONTAL,
4713   EL_DC_STEELWALL_2_RIGHT,
4714
4715   EL_DC_STEELWALL_1_TOPLEFT,
4716   EL_DC_STEELWALL_2_VERTICAL,
4717   EL_DC_STEELWALL_1_TOPRIGHT,
4718   EL_DC_GATE_WHITE,
4719
4720   EL_DC_STEELWALL_1_VERTICAL,
4721   EL_DC_STEELWALL_2_BOTTOM,
4722   EL_DC_KEY_WHITE,
4723   EL_DC_GATE_WHITE_GRAY,
4724
4725   EL_DC_STEELWALL_1_BOTTOMLEFT,
4726   EL_DC_STEELWALL_1_HORIZONTAL,
4727   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4728   EL_DC_GATE_FAKE_GRAY,
4729
4730   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4731   EL_DC_STEELWALL_1_BOTTOM,
4732   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4733   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4734
4735   EL_DC_STEELWALL_1_RIGHT,
4736   EL_EMPTY,
4737   EL_DC_STEELWALL_1_LEFT,
4738   EL_EXPANDABLE_STEELWALL_VERTICAL,
4739
4740   EL_DC_STEELWALL_1_TOPRIGHT_2,
4741   EL_DC_STEELWALL_1_TOP,
4742   EL_DC_STEELWALL_1_TOPLEFT_2,
4743   EL_EXPANDABLE_STEELWALL_ANY,
4744 };
4745 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4746 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4747 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
4748 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
4749
4750 static int editor_hl_dx_boulderdash[] =
4751 {
4752   EL_INTERNAL_CASCADE_DX_ACTIVE,
4753   EL_CHAR('D'),
4754   EL_CHAR('X'),
4755   EL_EMPTY,
4756 };
4757
4758 static int editor_el_dx_boulderdash[] =
4759 {
4760   EL_EMPTY,
4761   EL_TUBE_RIGHT_DOWN,
4762   EL_TUBE_HORIZONTAL_DOWN,
4763   EL_TUBE_LEFT_DOWN,
4764
4765   EL_TUBE_HORIZONTAL,
4766   EL_TUBE_VERTICAL_RIGHT,
4767   EL_TUBE_ANY,
4768   EL_TUBE_VERTICAL_LEFT,
4769
4770   EL_TUBE_VERTICAL,
4771   EL_TUBE_RIGHT_UP,
4772   EL_TUBE_HORIZONTAL_UP,
4773   EL_TUBE_LEFT_UP,
4774
4775   EL_TRAP,
4776   EL_DX_SUPABOMB,
4777   EL_EMPTY,
4778   EL_EMPTY
4779 };
4780 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4781 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4782 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
4783 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
4784
4785 static int editor_hl_mirror_magic[] =
4786 {
4787   EL_INTERNAL_CASCADE_MM_ACTIVE,
4788   EL_CHAR('M'),
4789   EL_CHAR('M'),
4790   EL_EMPTY,
4791 };
4792
4793 static int editor_el_mirror_magic[] =
4794 {
4795   EL_MM_MCDUFFIN_RIGHT,
4796   EL_MM_MCDUFFIN_UP,
4797   EL_MM_MCDUFFIN_LEFT,
4798   EL_MM_MCDUFFIN_DOWN,
4799
4800   EL_MM_MIRROR_START,
4801   EL_MM_MIRROR_FIXED_START,
4802   EL_MM_POLARIZER_START,
4803   EL_MM_POLARIZER_CROSS_START,
4804
4805   EL_MM_TELEPORTER_RED_START,
4806   EL_MM_TELEPORTER_YELLOW_START,
4807   EL_MM_TELEPORTER_GREEN_START,
4808   EL_MM_TELEPORTER_BLUE_START,
4809
4810   EL_MM_PRISM,
4811   EL_MM_FUSE_ACTIVE,
4812   EL_MM_PACMAN_RIGHT,
4813   EL_MM_EXIT_CLOSED,
4814
4815   EL_MM_KETTLE,
4816   EL_MM_BOMB,
4817   EL_MM_KEY,
4818   EL_MM_FUEL_FULL,
4819
4820   EL_MM_LIGHTBULB,
4821   EL_MM_LIGHTBULB_ACTIVE,
4822   EL_MM_GRAY_BALL,
4823   EL_MM_LIGHTBALL,
4824
4825   EL_MM_STEEL_WALL,
4826   EL_MM_WOODEN_WALL,
4827   EL_MM_ICE_WALL,
4828   EL_MM_AMOEBA_WALL,
4829
4830   EL_MM_STEEL_LOCK,
4831   EL_MM_WOODEN_LOCK,
4832   EL_MM_STEEL_BLOCK,
4833   EL_MM_WOODEN_BLOCK,
4834
4835   EL_MM_STEEL_GRID_FIXED_1,
4836   EL_MM_STEEL_GRID_FIXED_2,
4837   EL_MM_STEEL_GRID_FIXED_3,
4838   EL_MM_STEEL_GRID_FIXED_4,
4839
4840   EL_MM_WOODEN_GRID_FIXED_1,
4841   EL_MM_WOODEN_GRID_FIXED_2,
4842   EL_MM_WOODEN_GRID_FIXED_3,
4843   EL_MM_WOODEN_GRID_FIXED_4,
4844
4845   EL_MM_ENVELOPE_1,
4846   EL_MM_ENVELOPE_2,
4847   EL_MM_ENVELOPE_3,
4848   EL_MM_ENVELOPE_4
4849 };
4850 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4851 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4852 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
4853 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
4854
4855 static int editor_hl_deflektor[] =
4856 {
4857   EL_INTERNAL_CASCADE_DF_ACTIVE,
4858   EL_CHAR('D'),
4859   EL_CHAR('F'),
4860   EL_EMPTY,
4861 };
4862
4863 static int editor_el_deflektor[] =
4864 {
4865   EL_DF_LASER_RIGHT,
4866   EL_DF_LASER_UP,
4867   EL_DF_LASER_LEFT,
4868   EL_DF_LASER_DOWN,
4869
4870   EL_DF_RECEIVER_RIGHT,
4871   EL_DF_RECEIVER_UP,
4872   EL_DF_RECEIVER_LEFT,
4873   EL_DF_RECEIVER_DOWN,
4874
4875   EL_DF_MIRROR_START,
4876   EL_DF_MIRROR_ROTATING_START,
4877   EL_DF_MIRROR_FIXED_START,
4878   EL_DF_CELL,
4879
4880   EL_DF_FIBRE_OPTIC_RED_1,
4881   EL_DF_FIBRE_OPTIC_YELLOW_1,
4882   EL_DF_FIBRE_OPTIC_GREEN_1,
4883   EL_DF_FIBRE_OPTIC_BLUE_1,
4884
4885   EL_DF_STEEL_GRID_FIXED_START,
4886   EL_DF_STEEL_GRID_ROTATING_START,
4887   EL_DF_WOODEN_GRID_FIXED_START,
4888   EL_DF_WOODEN_GRID_ROTATING_START,
4889
4890   EL_DF_STEEL_WALL,
4891   EL_DF_WOODEN_WALL,
4892   EL_DF_REFRACTOR,
4893   EL_DF_MINE,
4894
4895   EL_DF_SLOPE_1,
4896   EL_DF_SLOPE_2,
4897   EL_DF_SLOPE_3,
4898   EL_DF_SLOPE_4
4899 };
4900 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4901 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4902 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
4903 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
4904
4905 static int editor_hl_chars[] =
4906 {
4907   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4908   EL_CHAR('T'),
4909   EL_CHAR('X'),
4910   EL_CHAR('T'),
4911 };
4912
4913 static int editor_el_chars[] =
4914 {
4915   EL_CHAR(' '),
4916   EL_CHAR('!'),
4917   EL_CHAR('"'),
4918   EL_CHAR('#'),
4919
4920   EL_CHAR('$'),
4921   EL_CHAR('%'),
4922   EL_CHAR('&'),
4923   EL_CHAR('\''),
4924
4925   EL_CHAR('('),
4926   EL_CHAR(')'),
4927   EL_CHAR('*'),
4928   EL_CHAR('+'),
4929
4930   EL_CHAR(','),
4931   EL_CHAR('-'),
4932   EL_CHAR('.'),
4933   EL_CHAR('/'),
4934
4935   EL_CHAR('0'),
4936   EL_CHAR('1'),
4937   EL_CHAR('2'),
4938   EL_CHAR('3'),
4939
4940   EL_CHAR('4'),
4941   EL_CHAR('5'),
4942   EL_CHAR('6'),
4943   EL_CHAR('7'),
4944
4945   EL_CHAR('8'),
4946   EL_CHAR('9'),
4947   EL_CHAR(':'),
4948   EL_CHAR(';'),
4949
4950   EL_CHAR('<'),
4951   EL_CHAR('='),
4952   EL_CHAR('>'),
4953   EL_CHAR('?'),
4954
4955   EL_CHAR('@'),
4956   EL_CHAR('A'),
4957   EL_CHAR('B'),
4958   EL_CHAR('C'),
4959
4960   EL_CHAR('D'),
4961   EL_CHAR('E'),
4962   EL_CHAR('F'),
4963   EL_CHAR('G'),
4964
4965   EL_CHAR('H'),
4966   EL_CHAR('I'),
4967   EL_CHAR('J'),
4968   EL_CHAR('K'),
4969
4970   EL_CHAR('L'),
4971   EL_CHAR('M'),
4972   EL_CHAR('N'),
4973   EL_CHAR('O'),
4974
4975   EL_CHAR('P'),
4976   EL_CHAR('Q'),
4977   EL_CHAR('R'),
4978   EL_CHAR('S'),
4979
4980   EL_CHAR('T'),
4981   EL_CHAR('U'),
4982   EL_CHAR('V'),
4983   EL_CHAR('W'),
4984
4985   EL_CHAR('X'),
4986   EL_CHAR('Y'),
4987   EL_CHAR('Z'),
4988   EL_CHAR('['),
4989
4990   EL_CHAR('\\'),
4991   EL_CHAR(']'),
4992   EL_CHAR('^'),
4993   EL_CHAR('_'),
4994
4995   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4996   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4997   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4998   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4999
5000   EL_CHAR(CHAR_BYTE_DEGREE),
5001   EL_CHAR(CHAR_BYTE_REGISTERED),
5002   EL_CHAR(FONT_ASCII_CURSOR),
5003   EL_CHAR(FONT_ASCII_BUTTON),
5004
5005   EL_CHAR(FONT_ASCII_UP),
5006   EL_CHAR(FONT_ASCII_DOWN),
5007   EL_CHAR(' '),
5008   EL_CHAR(' ')
5009 };
5010 static int *editor_hl_chars_ptr = editor_hl_chars;
5011 static int *editor_el_chars_ptr = editor_el_chars;
5012 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
5013 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
5014
5015 static int editor_hl_steel_chars[] =
5016 {
5017   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
5018   EL_STEEL_CHAR('T'),
5019   EL_STEEL_CHAR('X'),
5020   EL_STEEL_CHAR('T'),
5021 };
5022
5023 static int editor_el_steel_chars[] =
5024 {
5025   EL_STEEL_CHAR(' '),
5026   EL_STEEL_CHAR('!'),
5027   EL_STEEL_CHAR('"'),
5028   EL_STEEL_CHAR('#'),
5029
5030   EL_STEEL_CHAR('$'),
5031   EL_STEEL_CHAR('%'),
5032   EL_STEEL_CHAR('&'),
5033   EL_STEEL_CHAR('\''),
5034
5035   EL_STEEL_CHAR('('),
5036   EL_STEEL_CHAR(')'),
5037   EL_STEEL_CHAR('*'),
5038   EL_STEEL_CHAR('+'),
5039
5040   EL_STEEL_CHAR(','),
5041   EL_STEEL_CHAR('-'),
5042   EL_STEEL_CHAR('.'),
5043   EL_STEEL_CHAR('/'),
5044
5045   EL_STEEL_CHAR('0'),
5046   EL_STEEL_CHAR('1'),
5047   EL_STEEL_CHAR('2'),
5048   EL_STEEL_CHAR('3'),
5049
5050   EL_STEEL_CHAR('4'),
5051   EL_STEEL_CHAR('5'),
5052   EL_STEEL_CHAR('6'),
5053   EL_STEEL_CHAR('7'),
5054
5055   EL_STEEL_CHAR('8'),
5056   EL_STEEL_CHAR('9'),
5057   EL_STEEL_CHAR(':'),
5058   EL_STEEL_CHAR(';'),
5059
5060   EL_STEEL_CHAR('<'),
5061   EL_STEEL_CHAR('='),
5062   EL_STEEL_CHAR('>'),
5063   EL_STEEL_CHAR('?'),
5064
5065   EL_STEEL_CHAR('@'),
5066   EL_STEEL_CHAR('A'),
5067   EL_STEEL_CHAR('B'),
5068   EL_STEEL_CHAR('C'),
5069
5070   EL_STEEL_CHAR('D'),
5071   EL_STEEL_CHAR('E'),
5072   EL_STEEL_CHAR('F'),
5073   EL_STEEL_CHAR('G'),
5074
5075   EL_STEEL_CHAR('H'),
5076   EL_STEEL_CHAR('I'),
5077   EL_STEEL_CHAR('J'),
5078   EL_STEEL_CHAR('K'),
5079
5080   EL_STEEL_CHAR('L'),
5081   EL_STEEL_CHAR('M'),
5082   EL_STEEL_CHAR('N'),
5083   EL_STEEL_CHAR('O'),
5084
5085   EL_STEEL_CHAR('P'),
5086   EL_STEEL_CHAR('Q'),
5087   EL_STEEL_CHAR('R'),
5088   EL_STEEL_CHAR('S'),
5089
5090   EL_STEEL_CHAR('T'),
5091   EL_STEEL_CHAR('U'),
5092   EL_STEEL_CHAR('V'),
5093   EL_STEEL_CHAR('W'),
5094
5095   EL_STEEL_CHAR('X'),
5096   EL_STEEL_CHAR('Y'),
5097   EL_STEEL_CHAR('Z'),
5098   EL_STEEL_CHAR('['),
5099
5100   EL_STEEL_CHAR('\\'),
5101   EL_STEEL_CHAR(']'),
5102   EL_STEEL_CHAR('^'),
5103   EL_STEEL_CHAR('_'),
5104
5105   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
5106   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
5107   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
5108   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
5109
5110   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
5111   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
5112   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
5113   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
5114
5115   EL_STEEL_CHAR(FONT_ASCII_UP),
5116   EL_STEEL_CHAR(FONT_ASCII_DOWN),
5117   EL_STEEL_CHAR(' '),
5118   EL_STEEL_CHAR(' ')
5119 };
5120 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
5121 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
5122 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
5123 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
5124
5125 static int editor_hl_custom[] =
5126 {
5127   EL_INTERNAL_CASCADE_CE_ACTIVE,
5128   EL_CHAR('C'),
5129   EL_CHAR('E'),
5130   EL_EMPTY,
5131 };
5132
5133 static int editor_el_custom[] =
5134 {
5135   EL_CUSTOM_START + 0,
5136   EL_CUSTOM_START + 1,
5137   EL_CUSTOM_START + 2,
5138   EL_CUSTOM_START + 3,
5139
5140   EL_CUSTOM_START + 4,
5141   EL_CUSTOM_START + 5,
5142   EL_CUSTOM_START + 6,
5143   EL_CUSTOM_START + 7,
5144
5145   EL_CUSTOM_START + 8,
5146   EL_CUSTOM_START + 9,
5147   EL_CUSTOM_START + 10,
5148   EL_CUSTOM_START + 11,
5149
5150   EL_CUSTOM_START + 12,
5151   EL_CUSTOM_START + 13,
5152   EL_CUSTOM_START + 14,
5153   EL_CUSTOM_START + 15,
5154
5155   EL_CUSTOM_START + 16,
5156   EL_CUSTOM_START + 17,
5157   EL_CUSTOM_START + 18,
5158   EL_CUSTOM_START + 19,
5159
5160   EL_CUSTOM_START + 20,
5161   EL_CUSTOM_START + 21,
5162   EL_CUSTOM_START + 22,
5163   EL_CUSTOM_START + 23,
5164
5165   EL_CUSTOM_START + 24,
5166   EL_CUSTOM_START + 25,
5167   EL_CUSTOM_START + 26,
5168   EL_CUSTOM_START + 27,
5169
5170   EL_CUSTOM_START + 28,
5171   EL_CUSTOM_START + 29,
5172   EL_CUSTOM_START + 30,
5173   EL_CUSTOM_START + 31,
5174
5175   EL_CUSTOM_START + 32,
5176   EL_CUSTOM_START + 33,
5177   EL_CUSTOM_START + 34,
5178   EL_CUSTOM_START + 35,
5179
5180   EL_CUSTOM_START + 36,
5181   EL_CUSTOM_START + 37,
5182   EL_CUSTOM_START + 38,
5183   EL_CUSTOM_START + 39,
5184
5185   EL_CUSTOM_START + 40,
5186   EL_CUSTOM_START + 41,
5187   EL_CUSTOM_START + 42,
5188   EL_CUSTOM_START + 43,
5189
5190   EL_CUSTOM_START + 44,
5191   EL_CUSTOM_START + 45,
5192   EL_CUSTOM_START + 46,
5193   EL_CUSTOM_START + 47,
5194
5195   EL_CUSTOM_START + 48,
5196   EL_CUSTOM_START + 49,
5197   EL_CUSTOM_START + 50,
5198   EL_CUSTOM_START + 51,
5199
5200   EL_CUSTOM_START + 52,
5201   EL_CUSTOM_START + 53,
5202   EL_CUSTOM_START + 54,
5203   EL_CUSTOM_START + 55,
5204
5205   EL_CUSTOM_START + 56,
5206   EL_CUSTOM_START + 57,
5207   EL_CUSTOM_START + 58,
5208   EL_CUSTOM_START + 59,
5209
5210   EL_CUSTOM_START + 60,
5211   EL_CUSTOM_START + 61,
5212   EL_CUSTOM_START + 62,
5213   EL_CUSTOM_START + 63,
5214
5215   EL_CUSTOM_START + 64,
5216   EL_CUSTOM_START + 65,
5217   EL_CUSTOM_START + 66,
5218   EL_CUSTOM_START + 67,
5219
5220   EL_CUSTOM_START + 68,
5221   EL_CUSTOM_START + 69,
5222   EL_CUSTOM_START + 70,
5223   EL_CUSTOM_START + 71,
5224
5225   EL_CUSTOM_START + 72,
5226   EL_CUSTOM_START + 73,
5227   EL_CUSTOM_START + 74,
5228   EL_CUSTOM_START + 75,
5229
5230   EL_CUSTOM_START + 76,
5231   EL_CUSTOM_START + 77,
5232   EL_CUSTOM_START + 78,
5233   EL_CUSTOM_START + 79,
5234
5235   EL_CUSTOM_START + 80,
5236   EL_CUSTOM_START + 81,
5237   EL_CUSTOM_START + 82,
5238   EL_CUSTOM_START + 83,
5239
5240   EL_CUSTOM_START + 84,
5241   EL_CUSTOM_START + 85,
5242   EL_CUSTOM_START + 86,
5243   EL_CUSTOM_START + 87,
5244
5245   EL_CUSTOM_START + 88,
5246   EL_CUSTOM_START + 89,
5247   EL_CUSTOM_START + 90,
5248   EL_CUSTOM_START + 91,
5249
5250   EL_CUSTOM_START + 92,
5251   EL_CUSTOM_START + 93,
5252   EL_CUSTOM_START + 94,
5253   EL_CUSTOM_START + 95,
5254
5255   EL_CUSTOM_START + 96,
5256   EL_CUSTOM_START + 97,
5257   EL_CUSTOM_START + 98,
5258   EL_CUSTOM_START + 99,
5259
5260   EL_CUSTOM_START + 100,
5261   EL_CUSTOM_START + 101,
5262   EL_CUSTOM_START + 102,
5263   EL_CUSTOM_START + 103,
5264
5265   EL_CUSTOM_START + 104,
5266   EL_CUSTOM_START + 105,
5267   EL_CUSTOM_START + 106,
5268   EL_CUSTOM_START + 107,
5269
5270   EL_CUSTOM_START + 108,
5271   EL_CUSTOM_START + 109,
5272   EL_CUSTOM_START + 110,
5273   EL_CUSTOM_START + 111,
5274
5275   EL_CUSTOM_START + 112,
5276   EL_CUSTOM_START + 113,
5277   EL_CUSTOM_START + 114,
5278   EL_CUSTOM_START + 115,
5279
5280   EL_CUSTOM_START + 116,
5281   EL_CUSTOM_START + 117,
5282   EL_CUSTOM_START + 118,
5283   EL_CUSTOM_START + 119,
5284
5285   EL_CUSTOM_START + 120,
5286   EL_CUSTOM_START + 121,
5287   EL_CUSTOM_START + 122,
5288   EL_CUSTOM_START + 123,
5289
5290   EL_CUSTOM_START + 124,
5291   EL_CUSTOM_START + 125,
5292   EL_CUSTOM_START + 126,
5293   EL_CUSTOM_START + 127,
5294
5295   EL_CUSTOM_START + 128,
5296   EL_CUSTOM_START + 129,
5297   EL_CUSTOM_START + 130,
5298   EL_CUSTOM_START + 131,
5299
5300   EL_CUSTOM_START + 132,
5301   EL_CUSTOM_START + 133,
5302   EL_CUSTOM_START + 134,
5303   EL_CUSTOM_START + 135,
5304
5305   EL_CUSTOM_START + 136,
5306   EL_CUSTOM_START + 137,
5307   EL_CUSTOM_START + 138,
5308   EL_CUSTOM_START + 139,
5309
5310   EL_CUSTOM_START + 140,
5311   EL_CUSTOM_START + 141,
5312   EL_CUSTOM_START + 142,
5313   EL_CUSTOM_START + 143,
5314
5315   EL_CUSTOM_START + 144,
5316   EL_CUSTOM_START + 145,
5317   EL_CUSTOM_START + 146,
5318   EL_CUSTOM_START + 147,
5319
5320   EL_CUSTOM_START + 148,
5321   EL_CUSTOM_START + 149,
5322   EL_CUSTOM_START + 150,
5323   EL_CUSTOM_START + 151,
5324
5325   EL_CUSTOM_START + 152,
5326   EL_CUSTOM_START + 153,
5327   EL_CUSTOM_START + 154,
5328   EL_CUSTOM_START + 155,
5329
5330   EL_CUSTOM_START + 156,
5331   EL_CUSTOM_START + 157,
5332   EL_CUSTOM_START + 158,
5333   EL_CUSTOM_START + 159,
5334
5335   EL_CUSTOM_START + 160,
5336   EL_CUSTOM_START + 161,
5337   EL_CUSTOM_START + 162,
5338   EL_CUSTOM_START + 163,
5339
5340   EL_CUSTOM_START + 164,
5341   EL_CUSTOM_START + 165,
5342   EL_CUSTOM_START + 166,
5343   EL_CUSTOM_START + 167,
5344
5345   EL_CUSTOM_START + 168,
5346   EL_CUSTOM_START + 169,
5347   EL_CUSTOM_START + 170,
5348   EL_CUSTOM_START + 171,
5349
5350   EL_CUSTOM_START + 172,
5351   EL_CUSTOM_START + 173,
5352   EL_CUSTOM_START + 174,
5353   EL_CUSTOM_START + 175,
5354
5355   EL_CUSTOM_START + 176,
5356   EL_CUSTOM_START + 177,
5357   EL_CUSTOM_START + 178,
5358   EL_CUSTOM_START + 179,
5359
5360   EL_CUSTOM_START + 180,
5361   EL_CUSTOM_START + 181,
5362   EL_CUSTOM_START + 182,
5363   EL_CUSTOM_START + 183,
5364
5365   EL_CUSTOM_START + 184,
5366   EL_CUSTOM_START + 185,
5367   EL_CUSTOM_START + 186,
5368   EL_CUSTOM_START + 187,
5369
5370   EL_CUSTOM_START + 188,
5371   EL_CUSTOM_START + 189,
5372   EL_CUSTOM_START + 190,
5373   EL_CUSTOM_START + 191,
5374
5375   EL_CUSTOM_START + 192,
5376   EL_CUSTOM_START + 193,
5377   EL_CUSTOM_START + 194,
5378   EL_CUSTOM_START + 195,
5379
5380   EL_CUSTOM_START + 196,
5381   EL_CUSTOM_START + 197,
5382   EL_CUSTOM_START + 198,
5383   EL_CUSTOM_START + 199,
5384
5385   EL_CUSTOM_START + 200,
5386   EL_CUSTOM_START + 201,
5387   EL_CUSTOM_START + 202,
5388   EL_CUSTOM_START + 203,
5389
5390   EL_CUSTOM_START + 204,
5391   EL_CUSTOM_START + 205,
5392   EL_CUSTOM_START + 206,
5393   EL_CUSTOM_START + 207,
5394
5395   EL_CUSTOM_START + 208,
5396   EL_CUSTOM_START + 209,
5397   EL_CUSTOM_START + 210,
5398   EL_CUSTOM_START + 211,
5399
5400   EL_CUSTOM_START + 212,
5401   EL_CUSTOM_START + 213,
5402   EL_CUSTOM_START + 214,
5403   EL_CUSTOM_START + 215,
5404
5405   EL_CUSTOM_START + 216,
5406   EL_CUSTOM_START + 217,
5407   EL_CUSTOM_START + 218,
5408   EL_CUSTOM_START + 219,
5409
5410   EL_CUSTOM_START + 220,
5411   EL_CUSTOM_START + 221,
5412   EL_CUSTOM_START + 222,
5413   EL_CUSTOM_START + 223,
5414
5415   EL_CUSTOM_START + 224,
5416   EL_CUSTOM_START + 225,
5417   EL_CUSTOM_START + 226,
5418   EL_CUSTOM_START + 227,
5419
5420   EL_CUSTOM_START + 228,
5421   EL_CUSTOM_START + 229,
5422   EL_CUSTOM_START + 230,
5423   EL_CUSTOM_START + 231,
5424
5425   EL_CUSTOM_START + 232,
5426   EL_CUSTOM_START + 233,
5427   EL_CUSTOM_START + 234,
5428   EL_CUSTOM_START + 235,
5429
5430   EL_CUSTOM_START + 236,
5431   EL_CUSTOM_START + 237,
5432   EL_CUSTOM_START + 238,
5433   EL_CUSTOM_START + 239,
5434
5435   EL_CUSTOM_START + 240,
5436   EL_CUSTOM_START + 241,
5437   EL_CUSTOM_START + 242,
5438   EL_CUSTOM_START + 243,
5439
5440   EL_CUSTOM_START + 244,
5441   EL_CUSTOM_START + 245,
5442   EL_CUSTOM_START + 246,
5443   EL_CUSTOM_START + 247,
5444
5445   EL_CUSTOM_START + 248,
5446   EL_CUSTOM_START + 249,
5447   EL_CUSTOM_START + 250,
5448   EL_CUSTOM_START + 251,
5449
5450   EL_CUSTOM_START + 252,
5451   EL_CUSTOM_START + 253,
5452   EL_CUSTOM_START + 254,
5453   EL_CUSTOM_START + 255
5454 };
5455 static int *editor_hl_custom_ptr = editor_hl_custom;
5456 static int *editor_el_custom_ptr = editor_el_custom;
5457 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5458 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5459
5460 static int editor_hl_group[] =
5461 {
5462   EL_INTERNAL_CASCADE_GE_ACTIVE,
5463   EL_CHAR('G'),
5464   EL_CHAR('E'),
5465   EL_EMPTY,
5466 };
5467
5468 static int editor_el_group[] =
5469 {
5470   EL_GROUP_START + 0,
5471   EL_GROUP_START + 1,
5472   EL_GROUP_START + 2,
5473   EL_GROUP_START + 3,
5474
5475   EL_GROUP_START + 4,
5476   EL_GROUP_START + 5,
5477   EL_GROUP_START + 6,
5478   EL_GROUP_START + 7,
5479
5480   EL_GROUP_START + 8,
5481   EL_GROUP_START + 9,
5482   EL_GROUP_START + 10,
5483   EL_GROUP_START + 11,
5484
5485   EL_GROUP_START + 12,
5486   EL_GROUP_START + 13,
5487   EL_GROUP_START + 14,
5488   EL_GROUP_START + 15,
5489
5490   EL_GROUP_START + 16,
5491   EL_GROUP_START + 17,
5492   EL_GROUP_START + 18,
5493   EL_GROUP_START + 19,
5494
5495   EL_GROUP_START + 20,
5496   EL_GROUP_START + 21,
5497   EL_GROUP_START + 22,
5498   EL_GROUP_START + 23,
5499
5500   EL_GROUP_START + 24,
5501   EL_GROUP_START + 25,
5502   EL_GROUP_START + 26,
5503   EL_GROUP_START + 27,
5504
5505   EL_GROUP_START + 28,
5506   EL_GROUP_START + 29,
5507   EL_GROUP_START + 30,
5508   EL_GROUP_START + 31
5509 };
5510 static int *editor_hl_group_ptr = editor_hl_group;
5511 static int *editor_el_group_ptr = editor_el_group;
5512 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5513 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5514
5515 static int editor_hl_empty_space[] =
5516 {
5517   EL_INTERNAL_CASCADE_ES_ACTIVE,
5518   EL_CHAR('E'),
5519   EL_CHAR('S'),
5520   EL_EMPTY,
5521 };
5522
5523 static int editor_el_empty_space[] =
5524 {
5525   EL_EMPTY_SPACE_1,
5526   EL_EMPTY_SPACE_2,
5527   EL_EMPTY_SPACE_3,
5528   EL_EMPTY_SPACE_4,
5529
5530   EL_EMPTY_SPACE_5,
5531   EL_EMPTY_SPACE_6,
5532   EL_EMPTY_SPACE_7,
5533   EL_EMPTY_SPACE_8,
5534
5535   EL_EMPTY_SPACE_9,
5536   EL_EMPTY_SPACE_10,
5537   EL_EMPTY_SPACE_11,
5538   EL_EMPTY_SPACE_12,
5539
5540   EL_EMPTY_SPACE_13,
5541   EL_EMPTY_SPACE_14,
5542   EL_EMPTY_SPACE_15,
5543   EL_EMPTY_SPACE_16
5544 };
5545 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
5546 static int *editor_el_empty_space_ptr = editor_el_empty_space;
5547 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
5548 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
5549
5550 static int editor_hl_reference[] =
5551 {
5552   EL_INTERNAL_CASCADE_REF_ACTIVE,
5553   EL_CHAR('R'),
5554   EL_CHAR('E'),
5555   EL_CHAR('F')
5556 };
5557
5558 static int editor_el_reference[] =
5559 {
5560   EL_TRIGGER_PLAYER,
5561   EL_TRIGGER_ELEMENT,
5562   EL_TRIGGER_CE_VALUE,
5563   EL_TRIGGER_CE_SCORE,
5564
5565   EL_SELF,
5566   EL_ANY_ELEMENT,
5567   EL_CURRENT_CE_VALUE,
5568   EL_CURRENT_CE_SCORE,
5569
5570   EL_PREV_CE_8,
5571   EL_PREV_CE_7,
5572   EL_PREV_CE_6,
5573   EL_PREV_CE_5,
5574
5575   EL_PREV_CE_4,
5576   EL_PREV_CE_3,
5577   EL_PREV_CE_2,
5578   EL_PREV_CE_1,
5579
5580   EL_NEXT_CE_1,
5581   EL_NEXT_CE_2,
5582   EL_NEXT_CE_3,
5583   EL_NEXT_CE_4,
5584
5585   EL_NEXT_CE_5,
5586   EL_NEXT_CE_6,
5587   EL_NEXT_CE_7,
5588   EL_NEXT_CE_8,
5589 };
5590 static int *editor_hl_reference_ptr = editor_hl_reference;
5591 static int *editor_el_reference_ptr = editor_el_reference;
5592 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5593 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5594
5595 static int editor_hl_user_defined[] =
5596 {
5597   EL_INTERNAL_CASCADE_USER_ACTIVE,
5598   EL_CHAR('M'),
5599   EL_CHAR('Y'),
5600   EL_EMPTY,
5601 };
5602
5603 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5604 static int *editor_el_user_defined_ptr = NULL;
5605 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5606 static int num_editor_el_user_defined = 0;
5607
5608 static int editor_hl_dynamic[] =
5609 {
5610   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5611   EL_CHAR('U'),
5612   EL_CHAR('S'),
5613   EL_CHAR('E'),
5614 };
5615
5616 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5617 static int *editor_el_dynamic_ptr = NULL;
5618 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5619 static int num_editor_el_dynamic = 0;
5620
5621 static int editor_hl_empty[] = { EL_EMPTY };
5622 static int *editor_el_empty = NULL;     // dynamically allocated
5623
5624 static int *editor_hl_empty_ptr = editor_hl_empty;
5625 static int *editor_el_empty_ptr = NULL;
5626 static int num_editor_hl_empty = 0;
5627 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5628
5629 static boolean use_el_empty = FALSE;
5630
5631 static int *editor_elements = NULL;     // dynamically allocated
5632 static int num_editor_elements = 0;     // dynamically determined
5633
5634 static boolean setup_editor_cascade_never = FALSE;
5635
5636 static boolean setup_editor_el_players                  = TRUE;
5637 static boolean setup_editor_el_boulderdash              = TRUE;
5638 static boolean setup_editor_el_boulderdash_native       = TRUE;
5639 static boolean setup_editor_el_emerald_mine             = TRUE;
5640 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5641 static boolean setup_editor_el_more                     = TRUE;
5642 static boolean setup_editor_el_sokoban                  = TRUE;
5643 static boolean setup_editor_el_supaplex                 = TRUE;
5644 static boolean setup_editor_el_diamond_caves            = TRUE;
5645 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5646 static boolean setup_editor_el_mirror_magic             = TRUE;
5647 static boolean setup_editor_el_deflektor                = TRUE;
5648 static boolean setup_editor_el_chars                    = TRUE;
5649 static boolean setup_editor_el_steel_chars              = TRUE;
5650 static boolean setup_editor_el_custom                   = TRUE;
5651 static boolean setup_editor_el_user_defined             = TRUE;
5652 static boolean setup_editor_el_dynamic                  = TRUE;
5653
5654 static int editor_hl_unused[] = { EL_EMPTY };
5655 static int *editor_hl_unused_ptr = editor_hl_unused;
5656 static int num_editor_hl_unused = 0;
5657
5658 static struct
5659 {
5660   boolean *setup_value;
5661   boolean *setup_cascade_value;
5662
5663   int **headline_list;
5664   int *headline_list_size;
5665
5666   int **element_list;
5667   int *element_list_size;
5668
5669   boolean last_setup_value;
5670 }
5671 editor_elements_info[] =
5672 {
5673   {
5674     &setup_editor_el_players,
5675     &setup_editor_cascade_never,
5676     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5677     &editor_el_players_ptr,             &num_editor_el_players
5678   },
5679   {
5680     &setup_editor_el_boulderdash,
5681     &setup.editor_cascade.el_bd,
5682     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5683     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5684   },
5685   {
5686     &setup_editor_el_boulderdash_native,
5687     &setup.editor_cascade.el_bd_native,
5688     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
5689     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
5690   },
5691   {
5692     &setup_editor_el_emerald_mine,
5693     &setup.editor_cascade.el_em,
5694     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5695     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5696   },
5697   {
5698     &setup_editor_el_emerald_mine_club,
5699     &setup.editor_cascade.el_emc,
5700     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5701     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5702   },
5703   {
5704     &setup_editor_el_more,
5705     &setup.editor_cascade.el_rnd,
5706     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5707     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5708   },
5709   {
5710     &setup_editor_el_sokoban,
5711     &setup.editor_cascade.el_sb,
5712     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5713     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5714   },
5715   {
5716     &setup_editor_el_supaplex,
5717     &setup.editor_cascade.el_sp,
5718     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5719     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5720   },
5721   {
5722     &setup_editor_el_diamond_caves,
5723     &setup.editor_cascade.el_dc,
5724     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5725     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5726   },
5727   {
5728     &setup_editor_el_dx_boulderdash,
5729     &setup.editor_cascade.el_dx,
5730     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5731     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5732   },
5733   {
5734     &setup_editor_el_mirror_magic,
5735     &setup.editor_cascade.el_mm,
5736     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5737     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5738   },
5739   {
5740     &setup_editor_el_deflektor,
5741     &setup.editor_cascade.el_df,
5742     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5743     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5744   },
5745   {
5746     &setup_editor_el_chars,
5747     &setup.editor_cascade.el_chars,
5748     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5749     &editor_el_chars_ptr,               &num_editor_el_chars
5750   },
5751   {
5752     &setup_editor_el_steel_chars,
5753     &setup.editor_cascade.el_steel_chars,
5754     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5755     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5756   },
5757   {
5758     &setup_editor_el_custom,
5759     &setup.editor_cascade.el_ce,
5760     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5761     &editor_el_custom_ptr,              &num_editor_el_custom
5762   },
5763   {
5764     &setup_editor_el_custom,
5765     &setup.editor_cascade.el_ge,
5766     &editor_hl_group_ptr,               &num_editor_hl_group,
5767     &editor_el_group_ptr,               &num_editor_el_group
5768   },
5769   {
5770     &setup_editor_el_custom,
5771     &setup.editor_cascade.el_es,
5772     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
5773     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
5774   },
5775   {
5776     &setup_editor_el_custom,
5777     &setup.editor_cascade.el_ref,
5778     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5779     &editor_el_reference_ptr,           &num_editor_el_reference
5780   },
5781   {
5782     &setup_editor_el_user_defined,
5783     &setup.editor_cascade.el_user,
5784     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5785     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5786   },
5787   {
5788     &setup_editor_el_dynamic,
5789     &setup.editor_cascade.el_dynamic,
5790     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5791     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5792   },
5793   {
5794     &use_el_empty,
5795     &use_el_empty,
5796     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5797     &editor_el_empty_ptr,               &num_editor_el_empty,
5798   },
5799   {
5800     NULL,
5801     NULL,
5802     NULL,                               NULL,
5803     NULL,                               NULL
5804   }
5805 };
5806
5807 static struct XY xy_directions[] =
5808 {
5809   { -1,  0 },
5810   { +1,  0 },
5811   {  0, -1 },
5812   {  0, +1 }
5813 };
5814
5815
5816 // ----------------------------------------------------------------------------
5817 // functions
5818 // ----------------------------------------------------------------------------
5819
5820 static int getMaxInfoTextLength(void)
5821 {
5822   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5823 }
5824
5825 static int getTextWidthForGadget(char *text)
5826 {
5827   if (text == NULL)
5828     return 0;
5829
5830   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5831 }
5832
5833 static int getTextWidthForDrawingArea(char *text)
5834 {
5835   if (text == NULL)
5836     return 0;
5837
5838   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5839 }
5840
5841 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5842 {
5843   return (gi->x + gi->width + getTextWidthForGadget(text));
5844 }
5845
5846 static char *getElementInfoText(int element)
5847 {
5848   char *info_text = NULL;
5849
5850   if (element < MAX_NUM_ELEMENTS)
5851   {
5852     if (strlen(element_info[element].description) > 0)
5853       info_text = element_info[element].description;
5854     else if (element_info[element].custom_description != NULL)
5855       info_text = element_info[element].custom_description;
5856     else if (element_info[element].editor_description != NULL)
5857       info_text = element_info[element].editor_description;
5858   }
5859
5860   if (info_text == NULL)
5861     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5862
5863   return info_text;
5864 }
5865
5866 static char *getElementDescriptionFilenameExt(char *basename)
5867 {
5868   char *elements_subdir = ELEMENTS_DIRECTORY;
5869   static char *elements_subdir2 = NULL;
5870   static char *filename = NULL;
5871
5872   if (elements_subdir2 == NULL)
5873     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5874
5875   checked_free(filename);
5876
5877   // 1st try: look for element description in current level set directory
5878   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5879   if (fileExists(filename))
5880     return filename;
5881
5882   free(filename);
5883
5884   // 2nd try: look for element description in the game's base directory
5885   filename = getPath3(options.docs_directory, elements_subdir, basename);
5886   if (fileExists(filename))
5887     return filename;
5888
5889   return NULL;
5890 }
5891
5892 static char *getElementDescriptionFilename(int element)
5893 {
5894   char basename[MAX_FILENAME_LEN];
5895   char *filename;
5896
5897   // 1st try: look for element description file for exactly this element
5898   sprintf(basename, "%s.txt", element_info[element].token_name);
5899   filename = getElementDescriptionFilenameExt(basename);
5900   if (filename != NULL)
5901     return filename;
5902
5903   // 2nd try: look for element description file for this element's class
5904   sprintf(basename, "%s.txt", element_info[element].class_name);
5905   filename = getElementDescriptionFilenameExt(basename);
5906   if (filename != NULL)
5907     return filename;
5908
5909   // 3rd try: look for generic fallback text file for any element
5910   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
5911   if (filename != NULL)
5912     return filename;
5913
5914   return NULL;
5915 }
5916
5917 static boolean suppressBorderElement(void)
5918 {
5919   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5920           lev_fieldx <= MAX_ED_FIELDX &&
5921           lev_fieldy <= MAX_ED_FIELDY);
5922 }
5923
5924 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5925 {
5926   boolean element_found[NUM_FILE_ELEMENTS];
5927   int i, x, y;
5928
5929   // initialize list of used elements to "not used"
5930   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5931     element_found[i] = FALSE;
5932
5933   // find all elements used in current level
5934   for (y = 0; y < lev_fieldy; y++)
5935   {
5936     for (x = 0; x < lev_fieldx; x++)
5937     {
5938       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
5939         continue;
5940
5941       if (IS_MM_WALL(Tile[x][y]))
5942         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
5943       else
5944         element_found[Tile[x][y]] = TRUE;
5945     }
5946   }
5947
5948   *num_elements = 0;
5949
5950   // count number of elements used in current level
5951   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5952     if (element_found[i])
5953       (*num_elements)++;
5954
5955   // add space for up to 3 more elements for padding that may be needed
5956   *num_elements += 3;
5957
5958   // free memory for old list of elements, if needed
5959   checked_free(*elements);
5960
5961   // allocate memory for new list of elements
5962   *elements = checked_malloc(*num_elements * sizeof(int));
5963
5964   *num_elements = 0;
5965
5966   // add all elements used in current level (non-custom/group/empty elements)
5967   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5968     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
5969                               IS_GROUP_ELEMENT(i) ||
5970                               IS_EMPTY_ELEMENT(i)))
5971       (*elements)[(*num_elements)++] = i;
5972
5973   // add all elements used in current level (custom/group/empty elements)
5974   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5975     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
5976                              IS_GROUP_ELEMENT(i) ||
5977                              IS_EMPTY_ELEMENT(i)))
5978       (*elements)[(*num_elements)++] = i;
5979
5980   while (*num_elements % 4)     // pad with empty elements, if needed
5981     (*elements)[(*num_elements)++] = EL_EMPTY;
5982 }
5983
5984 static void ReinitializeElementList_EnableSections(void)
5985 {
5986   // default: enable all element sections
5987
5988   setup_editor_el_players               = TRUE;
5989   setup_editor_el_boulderdash           = TRUE;
5990   setup_editor_el_boulderdash_native    = TRUE;
5991   setup_editor_el_emerald_mine          = TRUE;
5992   setup_editor_el_emerald_mine_club     = TRUE;
5993   setup_editor_el_more                  = TRUE;
5994   setup_editor_el_sokoban               = TRUE;
5995   setup_editor_el_supaplex              = TRUE;
5996   setup_editor_el_diamond_caves         = TRUE;
5997   setup_editor_el_dx_boulderdash        = TRUE;
5998   setup_editor_el_mirror_magic          = TRUE;
5999   setup_editor_el_deflektor             = TRUE;
6000   setup_editor_el_chars                 = TRUE;
6001   setup_editor_el_steel_chars           = TRUE;
6002
6003   setup_editor_el_custom                = TRUE;
6004   setup_editor_el_user_defined          = TRUE;
6005   setup_editor_el_dynamic               = TRUE;
6006
6007   // now disable all element sections not to be displayed
6008
6009   if (!setup.editor.el_classic)
6010   {
6011     setup_editor_el_players             = FALSE;
6012     setup_editor_el_boulderdash         = FALSE;
6013     setup_editor_el_boulderdash_native  = FALSE;
6014     setup_editor_el_emerald_mine        = FALSE;
6015     setup_editor_el_emerald_mine_club   = FALSE;
6016     setup_editor_el_more                = FALSE;
6017     setup_editor_el_sokoban             = FALSE;
6018     setup_editor_el_supaplex            = FALSE;
6019     setup_editor_el_diamond_caves       = FALSE;
6020     setup_editor_el_dx_boulderdash      = FALSE;
6021     setup_editor_el_mirror_magic        = FALSE;
6022     setup_editor_el_deflektor           = FALSE;
6023     setup_editor_el_chars               = FALSE;
6024     setup_editor_el_steel_chars         = FALSE;
6025   }
6026
6027   if (!setup.editor.el_custom)
6028   {
6029     setup_editor_el_custom              = FALSE;
6030   }
6031
6032   if (!setup.editor.el_user_defined)
6033   {
6034     setup_editor_el_user_defined        = FALSE;
6035   }
6036
6037   if (!setup.editor.el_dynamic)
6038   {
6039     setup_editor_el_dynamic             = FALSE;
6040   }
6041
6042   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
6043   {
6044     setup_editor_el_boulderdash_native  = FALSE;
6045     setup_editor_el_mirror_magic        = FALSE;
6046     setup_editor_el_deflektor           = FALSE;
6047   }
6048   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
6049   {
6050     setup_editor_el_boulderdash         = FALSE;
6051     setup_editor_el_emerald_mine        = FALSE;
6052     setup_editor_el_emerald_mine_club   = FALSE;
6053     setup_editor_el_more                = FALSE;
6054     setup_editor_el_sokoban             = FALSE;
6055     setup_editor_el_supaplex            = FALSE;
6056     setup_editor_el_diamond_caves       = FALSE;
6057     setup_editor_el_dx_boulderdash      = FALSE;
6058     setup_editor_el_mirror_magic        = FALSE;
6059     setup_editor_el_deflektor           = FALSE;
6060     setup_editor_el_chars               = FALSE;
6061     setup_editor_el_steel_chars         = FALSE;
6062
6063     setup_editor_el_custom              = FALSE;
6064   }
6065   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
6066   {
6067     setup_editor_el_boulderdash         = FALSE;
6068     setup_editor_el_boulderdash_native  = FALSE;
6069     setup_editor_el_more                = FALSE;
6070     setup_editor_el_sokoban             = FALSE;
6071     setup_editor_el_supaplex            = FALSE;
6072     setup_editor_el_diamond_caves       = FALSE;
6073     setup_editor_el_dx_boulderdash      = FALSE;
6074     setup_editor_el_mirror_magic        = FALSE;
6075     setup_editor_el_deflektor           = FALSE;
6076     setup_editor_el_steel_chars         = FALSE;
6077
6078     setup_editor_el_custom              = FALSE;
6079   }
6080   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
6081   {
6082     setup_editor_el_players             = FALSE;
6083     setup_editor_el_boulderdash         = FALSE;
6084     setup_editor_el_boulderdash_native  = FALSE;
6085     setup_editor_el_emerald_mine        = FALSE;
6086     setup_editor_el_emerald_mine_club   = FALSE;
6087     setup_editor_el_more                = FALSE;
6088     setup_editor_el_sokoban             = FALSE;
6089     setup_editor_el_diamond_caves       = FALSE;
6090     setup_editor_el_dx_boulderdash      = FALSE;
6091     setup_editor_el_mirror_magic        = FALSE;
6092     setup_editor_el_deflektor           = FALSE;
6093     setup_editor_el_chars               = FALSE;
6094     setup_editor_el_steel_chars         = FALSE;
6095
6096     setup_editor_el_custom              = FALSE;
6097   }
6098   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
6099   {
6100     setup_editor_el_players             = FALSE;
6101     setup_editor_el_boulderdash         = FALSE;
6102     setup_editor_el_boulderdash_native  = FALSE;
6103     setup_editor_el_emerald_mine        = FALSE;
6104     setup_editor_el_emerald_mine_club   = FALSE;
6105     setup_editor_el_more                = FALSE;
6106     setup_editor_el_sokoban             = FALSE;
6107     setup_editor_el_supaplex            = FALSE;
6108     setup_editor_el_diamond_caves       = FALSE;
6109     setup_editor_el_dx_boulderdash      = FALSE;
6110     setup_editor_el_steel_chars         = FALSE;
6111
6112     setup_editor_el_custom              = FALSE;
6113   }
6114 }
6115
6116 static void ReinitializeElementList(void)
6117 {
6118   static boolean initialization_needed = TRUE;
6119   int pos = 0;
6120   int i, j;
6121
6122   ReinitializeElementList_EnableSections();
6123
6124   if (initialization_needed)
6125   {
6126     LoadSetup_EditorCascade();          // load last editor cascade state
6127
6128     // initialize editor cascade element from saved cascade state
6129     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6130     {
6131       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
6132       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
6133
6134       if (IS_EDITOR_CASCADE(*cascade_element))
6135         *cascade_element =
6136           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
6137            EL_CASCADE_INACTIVE(*cascade_element));
6138     }
6139
6140     initialization_needed = FALSE;
6141   }
6142
6143   checked_free(editor_elements);
6144
6145   // reload optional user defined element list for each invocation of editor
6146   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
6147                                    &num_editor_el_user_defined);
6148
6149   // initialize dynamic level element list for each invocation of editor
6150   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
6151                                &num_editor_el_dynamic);
6152
6153   // initialize list of empty elements (used for padding, if needed)
6154   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6155     editor_el_empty[i] = EL_EMPTY;
6156
6157   // do some sanity checks for each element from element list
6158   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6159   {
6160     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6161     {
6162       int element = (*editor_elements_info[i].element_list)[j];
6163
6164       if (element >= NUM_FILE_ELEMENTS)
6165         Warn("editor element %d is runtime element", element);
6166
6167       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
6168         Warn("no element description text for element %d", element);
6169     }
6170   }
6171
6172   num_editor_elements = 0;
6173   use_el_empty = FALSE;
6174
6175   // determine size of element list
6176   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6177   {
6178     if (*editor_elements_info[i].setup_value)
6179     {
6180       boolean found_inactive_cascade = FALSE;
6181
6182       if (setup.editor.el_headlines)
6183       {
6184         // required for correct padding of palette headline buttons
6185         if (*editor_elements_info[i].headline_list_size > 0)
6186           num_editor_elements += ED_ELEMENTLIST_COLS;
6187
6188         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6189         {
6190           int element = (*editor_elements_info[i].headline_list)[j];
6191
6192           if (IS_EDITOR_CASCADE_INACTIVE(element))
6193             found_inactive_cascade = TRUE;
6194         }
6195       }
6196
6197       if (found_inactive_cascade)
6198         continue;
6199
6200       // required for correct padding of palette element buttons
6201       int element_list_size = *editor_elements_info[i].element_list_size;
6202       int element_rows =
6203         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6204       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6205
6206       num_editor_elements += element_buttons;
6207     }
6208   }
6209
6210   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
6211   {
6212     // offer at least as many elements as element buttons exist
6213     use_el_empty = TRUE;
6214     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
6215
6216     num_editor_elements += num_editor_el_empty;
6217   }
6218   else
6219   {
6220     num_editor_el_empty = 0;
6221   }
6222
6223   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
6224
6225   // fill element list
6226   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6227   {
6228     boolean found_inactive_cascade = FALSE;
6229
6230     if (*editor_elements_info[i].setup_value)
6231     {
6232       if (setup.editor.el_headlines)
6233       {
6234         // required for correct padding of palette headline buttons
6235         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
6236                              ED_ELEMENTLIST_COLS : 0);
6237
6238         for (j = 0; j < headline_size; j++)
6239         {
6240           // use empty elements for padding of palette headline buttons
6241           int element = (j < *editor_elements_info[i].headline_list_size ?
6242                          (*editor_elements_info[i].headline_list)[j] :
6243                          editor_el_empty[0]);
6244
6245           editor_elements[pos++] = element;
6246
6247           if (IS_EDITOR_CASCADE_INACTIVE(element))
6248             found_inactive_cascade = TRUE;
6249         }
6250       }
6251
6252       if (found_inactive_cascade)
6253         continue;
6254
6255       // required for correct padding of palette element buttons
6256       int element_list_size = *editor_elements_info[i].element_list_size;
6257       int element_rows =
6258         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6259       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6260
6261       // copy all elements from element list
6262       for (j = 0; j < element_list_size; j++)
6263         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
6264
6265       // use empty elements for padding of palette element buttons
6266       for (j = 0; j < element_buttons - element_list_size; j++)
6267         editor_elements[pos++] = editor_el_empty[0];
6268     }
6269   }
6270
6271   // (this function is also called before editor gadgets are initialized!)
6272   AdjustElementListScrollbar();
6273 }
6274
6275 void PrintEditorElementList(void)
6276 {
6277   boolean *stop = &setup_editor_el_user_defined;
6278   int i, j;
6279
6280   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
6281   {
6282     int cascade_element = (*editor_elements_info[i].headline_list)[0];
6283
6284     if (IS_EDITOR_CASCADE(cascade_element))
6285     {
6286       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
6287       char *headline = element_info[cascade_element_show].editor_description;
6288
6289       PrintLineWithPrefix("# ", "-", 77);
6290       Print("# %s\n", headline);
6291       PrintLineWithPrefix("# ", "-", 77);
6292     }
6293
6294     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6295     {
6296       int element = (*editor_elements_info[i].headline_list)[j];
6297
6298       if (IS_EDITOR_CASCADE(element))
6299         element = EL_CHAR_MINUS;
6300
6301       Print("# %s\n", element_info[element].token_name);
6302     }
6303
6304     if (j > 0)
6305       Print("#\n");
6306
6307     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6308     {
6309       int element = (*editor_elements_info[i].element_list)[j];
6310
6311       Print("# %s\n", element_info[element].token_name);
6312     }
6313
6314     if (j > 0)
6315       Print("#\n");
6316   }
6317 }
6318
6319 static void ReinitializeElementListButtons(void)
6320 {
6321   static boolean last_setup_value_headlines = FALSE;
6322   static boolean initialization_needed = TRUE;
6323   int i;
6324
6325   if (!initialization_needed)   // check if editor element setup has changed
6326   {
6327     if (last_setup_value_headlines != setup.editor.el_headlines)
6328       initialization_needed = TRUE;
6329
6330     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6331       if (editor_elements_info[i].last_setup_value !=
6332           *editor_elements_info[i].setup_value)
6333         initialization_needed = TRUE;
6334   }
6335
6336   if (!initialization_needed)
6337     return;
6338
6339   FreeLevelEditorGadgets();
6340   CreateLevelEditorGadgets();
6341
6342   // store current setup values for next invocation of this function
6343   last_setup_value_headlines = setup.editor.el_headlines;
6344   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6345     editor_elements_info[i].last_setup_value =
6346       *editor_elements_info[i].setup_value;
6347
6348   initialization_needed = FALSE;
6349 }
6350
6351 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
6352                               boolean input)
6353 {
6354   int border_graphic =
6355     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
6356   struct GraphicInfo *g = &graphic_info[border_graphic];
6357   Bitmap *src_bitmap = g->bitmap;
6358   int src_x = g->src_x;
6359   int src_y = g->src_y;
6360   int border_size = g->border_size;
6361   int border_xpos = g->width  - border_size;
6362   int border_ypos = g->height - border_size;
6363   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6364   int i;
6365
6366   BlitBitmap(src_bitmap, drawto, src_x, src_y,
6367              border_size, border_size,
6368              dest_x - border_size, dest_y - border_size);
6369   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
6370              border_size, border_size,
6371              dest_x + width, dest_y - border_size);
6372   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
6373              border_size, border_size,
6374              dest_x - border_size, dest_y + height);
6375   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
6376              border_size, border_size,
6377              dest_x + width, dest_y + height);
6378
6379   for (i = 0; i < width / tilesize; i++)
6380   {
6381     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
6382                tilesize, border_size,
6383                dest_x + i * tilesize, dest_y - border_size);
6384     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
6385                tilesize, border_size,
6386                dest_x + i * tilesize, dest_y + height);
6387   }
6388
6389   for (i = 0; i < height / tilesize; i++)
6390   {
6391     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
6392                border_size, tilesize,
6393                dest_x - border_size, dest_y + i * tilesize);
6394     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
6395                border_size, tilesize,
6396                dest_x + width, dest_y + i * tilesize);
6397   }
6398
6399   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
6400 }
6401
6402 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
6403 {
6404   int xsize_tile = MAX(ed_tilesize, xsize);
6405   int ysize_tile = MAX(ed_tilesize, ysize);
6406   int xsize_full = xsize + 1;
6407   int ysize_full = ysize + 1;
6408   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
6409   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
6410   Pixel line_color = getTabulatorBarColor();
6411
6412   if (line_color == BLACK_PIXEL)                // black => transparent
6413     return;
6414
6415   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6416   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6417   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6418 }
6419
6420 static void DrawEditorLevelBorderLinesIfNeeded(void)
6421 {
6422   int xsize = lev_fieldx * ed_tilesize;
6423   int ysize = lev_fieldy * ed_tilesize;
6424   int line_size = getTabulatorBarHeight();
6425
6426   if (!suppressBorderElement())
6427     return;
6428
6429   // draw little border line around editable level playfield
6430
6431   if (xsize < SXSIZE)
6432     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6433
6434   if (ysize < SYSIZE)
6435     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6436
6437   if (xsize < SXSIZE && ysize < SYSIZE)
6438     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6439 }
6440
6441 static void DrawEditorElement(int x, int y, int element)
6442 {
6443   DrawSizedElement(x, y, element, ed_tilesize);
6444 }
6445
6446 static void DrawEditorElementThruMask(int x, int y, int element)
6447 {
6448   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6449 }
6450
6451 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6452 {
6453   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6454 }
6455
6456 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6457 {
6458   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6459   DrawEditorLevelBorderLinesIfNeeded();
6460 }
6461
6462 static void DrawDrawingArea(int id)
6463 {
6464   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6465   int x, y;
6466
6467   int *value = drawingarea_info[id].value;
6468   int area_xsize = drawingarea_info[id].area_xsize;
6469   int area_ysize = drawingarea_info[id].area_ysize;
6470   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6471
6472   for (x = 0; x < area_xsize; x++)
6473     for (y = 0; y < area_ysize; y++)
6474       DrawSizedGraphicExt(drawto,
6475                           gi->x + x * tilesize,
6476                           gi->y + y * tilesize,
6477                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6478 }
6479
6480 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6481 {
6482   int x, y;
6483   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6484   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6485
6486   BlitBitmap(drawto, drawto,
6487              SX + (dx == -1 ? ed_tilesize : 0),
6488              SY + (dy == -1 ? ed_tilesize : 0),
6489              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6490              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6491              SX + (dx == +1 ? ed_tilesize : 0),
6492              SY + (dy == +1 ? ed_tilesize : 0));
6493
6494   if (dx)
6495   {
6496     x = (dx == 1 ? 0 : ed_fieldx - 1);
6497     for (y = 0; y < ed_fieldy; y++)
6498       DrawEditorElementOrWall(x, y, from_x, from_y);
6499   }
6500   else if (dy)
6501   {
6502     y = (dy == 1 ? 0 : ed_fieldy - 1);
6503     for (x = 0; x < ed_fieldx; x++)
6504       DrawEditorElementOrWall(x, y, from_x, from_y);
6505   }
6506
6507   redraw_mask |= REDRAW_FIELD;
6508   BackToFront();
6509 }
6510
6511 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6512                                    int *x, int *y)
6513 {
6514   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6515 }
6516
6517 static void CreateControlButtons(void)
6518 {
6519   struct GadgetInfo *gi;
6520   int i;
6521
6522   // create toolbox buttons
6523   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6524   {
6525     int id = controlbutton_info[i].gadget_id;
6526     int type = controlbutton_info[i].gadget_type;
6527     int graphic = controlbutton_info[i].graphic;
6528     struct XYTileSize *pos = controlbutton_info[i].pos;
6529     struct GraphicInfo *gd = &graphic_info[graphic];
6530     Bitmap *deco_bitmap = NULL;
6531     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6532     int tile_size = 0, deco_shift = 0;
6533     boolean deco_masked = FALSE;
6534     int gd_x1 = gd->src_x;
6535     int gd_y1 = gd->src_y;
6536     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6537     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6538     int gd_x1a = gd->src_x + gd->active_xoffset;
6539     int gd_y1a = gd->src_y + gd->active_yoffset;
6540     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6541     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6542     int x = pos->x;
6543     int y = pos->y;
6544     unsigned int event_mask;
6545     int radio_button_nr = RADIO_NR_NONE;
6546     boolean checked = FALSE;
6547
6548     if (type == GD_TYPE_RADIO_BUTTON)
6549     {
6550       event_mask = GD_EVENT_PRESSED;
6551       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6552
6553       if (id == drawing_function)
6554         checked = TRUE;
6555     }
6556     else
6557     {
6558       if (id == GADGET_ID_WRAP_LEFT ||
6559           id == GADGET_ID_WRAP_RIGHT ||
6560           id == GADGET_ID_WRAP_UP ||
6561           id == GADGET_ID_WRAP_DOWN)
6562         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6563       else
6564         event_mask = GD_EVENT_RELEASED;
6565     }
6566
6567     if (id == GADGET_ID_PROPERTIES ||
6568         id == GADGET_ID_PALETTE)
6569     {
6570       x += DX;
6571       y += DY;
6572     }
6573     else if (id == GADGET_ID_ELEMENT_LEFT ||
6574              id == GADGET_ID_ELEMENT_MIDDLE ||
6575              id == GADGET_ID_ELEMENT_RIGHT)
6576     {
6577       x += DX;
6578       y += DY;
6579
6580       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6581                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6582                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6583
6584       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6585                                    editor.button.element_left.tile_size :
6586                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6587                                    editor.button.element_middle.tile_size :
6588                                    id == GADGET_ID_ELEMENT_RIGHT ?
6589                                    editor.button.element_right.tile_size : 0);
6590
6591       // make sure that decoration does not overlap gadget border
6592       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6593
6594       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6595
6596       deco_xpos = (gd->width  - tile_size) / 2;
6597       deco_ypos = (gd->height - tile_size) / 2;
6598       deco_shift = 1;
6599       deco_masked = gd->draw_masked;
6600     }
6601     else
6602     {
6603       x += EX;
6604       y += EY;
6605     }
6606
6607     gi = CreateGadget(GDI_CUSTOM_ID, id,
6608                       GDI_CUSTOM_TYPE_ID, i,
6609                       GDI_IMAGE_ID, graphic,
6610                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6611                       GDI_X, x,
6612                       GDI_Y, y,
6613                       GDI_WIDTH, gd->width,
6614                       GDI_HEIGHT, gd->height,
6615                       GDI_TYPE, type,
6616                       GDI_STATE, GD_BUTTON_UNPRESSED,
6617                       GDI_RADIO_NR, radio_button_nr,
6618                       GDI_CHECKED, checked,
6619                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6620                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6621                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6622                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6623                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6624                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6625                       GDI_DECORATION_SIZE, tile_size, tile_size,
6626                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6627                       GDI_DECORATION_MASKED, deco_masked,
6628                       GDI_EVENT_MASK, event_mask,
6629                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6630                       GDI_CALLBACK_ACTION, HandleControlButtons,
6631                       GDI_END);
6632
6633     if (gi == NULL)
6634       Fail("cannot create gadget");
6635
6636     level_editor_gadget[id] = gi;
6637   }
6638
6639   // these values are not constant, but can change at runtime
6640   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6641   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6642   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6643   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6644   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6645   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6646   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6647   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6648   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6649   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6650   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6651   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6652
6653   // create buttons for scrolling of drawing area and element list
6654   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6655   {
6656     int id = scrollbutton_info[i].gadget_id;
6657     int graphic = scrollbutton_info[i].graphic;
6658     struct GraphicInfo *gd = &graphic_info[graphic];
6659     Bitmap *gd_bitmap = gd->bitmap;
6660     int gd_x1 = gd->src_x;
6661     int gd_y1 = gd->src_y;
6662     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6663     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6664     int width  = gd->width;
6665     int height = gd->height;
6666     int x = scrollbutton_pos[i].x;
6667     int y = scrollbutton_pos[i].y;
6668     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6669
6670     if (id == GADGET_ID_SCROLL_LIST_UP ||
6671         id == GADGET_ID_SCROLL_LIST_DOWN)
6672     {
6673       x += PX;
6674       y += PY;
6675     }
6676     else
6677     {
6678       x += SX;
6679       y += SY;
6680     }
6681
6682     gi = CreateGadget(GDI_CUSTOM_ID, id,
6683                       GDI_CUSTOM_TYPE_ID, i,
6684                       GDI_IMAGE_ID, graphic,
6685                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6686                       GDI_X, x,
6687                       GDI_Y, y,
6688                       GDI_WIDTH, width,
6689                       GDI_HEIGHT, height,
6690                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6691                       GDI_STATE, GD_BUTTON_UNPRESSED,
6692                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6693                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6694                       GDI_EVENT_MASK, event_mask,
6695                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6696                       GDI_CALLBACK_ACTION, HandleControlButtons,
6697                       GDI_END);
6698
6699     if (gi == NULL)
6700       Fail("cannot create gadget");
6701
6702     level_editor_gadget[id] = gi;
6703   }
6704
6705   // create buttons for element list
6706   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6707   {
6708     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6709     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6710     struct GraphicInfo *gd = &graphic_info[graphic];
6711     Bitmap *gd_bitmap = gd->bitmap;
6712     Bitmap *deco_bitmap;
6713     int deco_x, deco_y, deco_xpos, deco_ypos;
6714     int gd_x1 = gd->src_x;
6715     int gd_y1 = gd->src_y;
6716     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6717     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6718     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6719     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6720     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6721     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6722     int element = editor_elements[i];
6723     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6724     unsigned int event_mask = GD_EVENT_RELEASED;
6725
6726     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6727
6728     deco_xpos = (gd->width  - tile_size) / 2;
6729     deco_ypos = (gd->height - tile_size) / 2;
6730
6731     gi = CreateGadget(GDI_CUSTOM_ID, id,
6732                       GDI_CUSTOM_TYPE_ID, i,
6733                       GDI_IMAGE_ID, graphic,
6734                       GDI_INFO_TEXT, getElementInfoText(element),
6735                       GDI_X, x,
6736                       GDI_Y, y,
6737                       GDI_WIDTH, gd->width,
6738                       GDI_HEIGHT, gd->height,
6739                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6740                       GDI_STATE, GD_BUTTON_UNPRESSED,
6741                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6742                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6743                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6744                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6745                       GDI_DECORATION_SIZE, tile_size, tile_size,
6746                       GDI_DECORATION_SHIFTING, 1, 1,
6747                       GDI_EVENT_MASK, event_mask,
6748                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6749                       GDI_CALLBACK_ACTION, HandleControlButtons,
6750                       GDI_END);
6751
6752     if (gi == NULL)
6753       Fail("cannot create gadget");
6754
6755     level_editor_gadget[id] = gi;
6756   }
6757 }
6758
6759 static void CreateCounterButtons(void)
6760 {
6761   int max_infotext_len = getMaxInfoTextLength();
6762   int i;
6763
6764   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6765   {
6766     int j;
6767     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
6768     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6769
6770     // determine horizontal position to the right of specified gadget
6771     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6772       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6773            ED_GADGET_TEXT_DISTANCE);
6774
6775     // determine horizontal offset for leading text
6776     if (counterbutton_info[i].text_left != NULL)
6777       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6778
6779     for (j = 0; j < 2; j++)
6780     {
6781       struct GadgetInfo *gi;
6782       int id = (j == 0 ?
6783                 counterbutton_info[i].gadget_id_down :
6784                 counterbutton_info[i].gadget_id_up);
6785       int graphic;
6786       struct GraphicInfo *gd;
6787       int gd_x1, gd_x2, gd_y1, gd_y2;
6788       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6789       char infotext[max_infotext_len + 1];
6790
6791       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6792       {
6793         graphic = (j == 0 ?
6794                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6795                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6796
6797         event_mask |= GD_EVENT_RELEASED;
6798
6799         if (j == 0)
6800         {
6801           x = DX + editor.button.prev_level.x;
6802           y = DY + editor.button.prev_level.y;
6803         }
6804         else
6805         {
6806           x = DX + editor.button.next_level.x;
6807           y = DY + editor.button.next_level.y;
6808         }
6809       }
6810       else
6811       {
6812         graphic = (j == 0 ?
6813                    IMG_EDITOR_COUNTER_DOWN :
6814                    IMG_EDITOR_COUNTER_UP);
6815       }
6816
6817       gd = &graphic_info[graphic];
6818
6819       gd_x1 = gd->src_x;
6820       gd_y1 = gd->src_y;
6821       gd_x2 = gd->src_x + gd->pressed_xoffset;
6822       gd_y2 = gd->src_y + gd->pressed_yoffset;
6823
6824       sprintf(infotext, "%s counter value by 1, 5 or 10",
6825               (j == 0 ? "decrease" : "increase"));
6826
6827       gi = CreateGadget(GDI_CUSTOM_ID, id,
6828                         GDI_CUSTOM_TYPE_ID, i,
6829                         GDI_IMAGE_ID, graphic,
6830                         GDI_INFO_TEXT, infotext,
6831                         GDI_X, x,
6832                         GDI_Y, y,
6833                         GDI_WIDTH, gd->width,
6834                         GDI_HEIGHT, gd->height,
6835                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6836                         GDI_STATE, GD_BUTTON_UNPRESSED,
6837                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6838                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6839                         GDI_EVENT_MASK, event_mask,
6840                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6841                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6842                         GDI_END);
6843
6844       if (gi == NULL)
6845         Fail("cannot create gadget");
6846
6847       level_editor_gadget[id] = gi;
6848       right_gadget_border[id] =
6849         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6850
6851       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
6852
6853       if (j == 0)
6854       {
6855         int font_type = FONT_INPUT_1;
6856         int font_type_active = FONT_INPUT_1_ACTIVE;
6857
6858         id = counterbutton_info[i].gadget_id_text;
6859
6860         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6861
6862         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6863         {
6864           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6865
6866           font_type = FONT_LEVEL_NUMBER;
6867           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6868
6869           x = DX + editor.input.level_number.x;
6870           y = DY + editor.input.level_number.y;
6871         }
6872         else
6873         {
6874           graphic = IMG_EDITOR_COUNTER_INPUT;
6875         }
6876
6877         gd = &graphic_info[graphic];
6878
6879         gd_x1 = gd->src_x;
6880         gd_y1 = gd->src_y;
6881         gd_x2 = gd->src_x + gd->active_xoffset;
6882         gd_y2 = gd->src_y + gd->active_yoffset;
6883
6884         gi = CreateGadget(GDI_CUSTOM_ID, id,
6885                           GDI_CUSTOM_TYPE_ID, i,
6886                           GDI_IMAGE_ID, graphic,
6887                           GDI_INFO_TEXT, "enter counter value",
6888                           GDI_X, x,
6889                           GDI_Y, y,
6890                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6891                           GDI_NUMBER_VALUE, 0,
6892                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6893                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6894                           GDI_TEXT_SIZE, 3,     // minimal counter text size
6895                           GDI_TEXT_FONT, font_type,
6896                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6897                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6898                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6899                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6900                           GDI_DESIGN_WIDTH, gd->width,
6901                           GDI_EVENT_MASK, event_mask,
6902                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6903                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6904                           GDI_END);
6905
6906         if (gi == NULL)
6907           Fail("cannot create gadget");
6908
6909         level_editor_gadget[id] = gi;
6910         right_gadget_border[id] =
6911           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6912
6913         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
6914       }
6915     }
6916   }
6917 }
6918
6919 static void CreateDrawingAreas(void)
6920 {
6921   int i;
6922
6923   // these values are not constant, but can change at runtime
6924   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6925   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6926
6927   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6928   {
6929     struct GadgetInfo *gi;
6930     int id = drawingarea_info[i].gadget_id;
6931     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6932     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6933     int area_xsize = drawingarea_info[i].area_xsize;
6934     int area_ysize = drawingarea_info[i].area_ysize;
6935     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6936                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6937     unsigned int event_mask =
6938       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6939       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6940
6941     // determine horizontal position to the right of specified gadget
6942     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6943       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6944            ED_DRAWINGAREA_TEXT_DISTANCE);
6945
6946     // determine horizontal offset for leading text
6947     if (drawingarea_info[i].text_left != NULL)
6948       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6949
6950     gi = CreateGadget(GDI_CUSTOM_ID, id,
6951                       GDI_CUSTOM_TYPE_ID, i,
6952                       GDI_X, x,
6953                       GDI_Y, y,
6954                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6955                       GDI_AREA_SIZE, area_xsize, area_ysize,
6956                       GDI_ITEM_SIZE, item_size, item_size,
6957                       GDI_EVENT_MASK, event_mask,
6958                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6959                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6960                       GDI_END);
6961
6962     if (gi == NULL)
6963       Fail("cannot create gadget");
6964
6965     level_editor_gadget[id] = gi;
6966     right_gadget_border[id] =
6967       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6968   }
6969 }
6970
6971 static void CreateTextInputGadgets(void)
6972 {
6973   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6974   int max_infotext_len = getMaxInfoTextLength();
6975   int i;
6976
6977   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6978   {
6979     int gd_x1 = gd->src_x;
6980     int gd_y1 = gd->src_y;
6981     int gd_x2 = gd->src_x + gd->active_xoffset;
6982     int gd_y2 = gd->src_y + gd->active_yoffset;
6983     struct GadgetInfo *gi;
6984     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6985     char infotext[MAX_OUTPUT_LINESIZE + 1];
6986     int id = textinput_info[i].gadget_id;
6987     int x, y;
6988
6989     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6990     {
6991       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6992       int border_size = gd->border_size;
6993       int font_nr = FONT_INPUT_1;
6994       int font_height = getFontHeight(font_nr);
6995       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6996       int yoffset = element_border + (TILEY - font_height) / 2;
6997
6998       x = (editor.settings.element_name.x != -1 ?
6999            editor.settings.element_name.x :
7000            editor.settings.element_graphic.x + xoffset) - border_size;
7001       y = (editor.settings.element_name.y != -1 ?
7002            editor.settings.element_name.y :
7003            editor.settings.element_graphic.y + yoffset) - border_size;
7004     }
7005     else
7006     {
7007       x = ED_SETTINGS_X(textinput_info[i].x);
7008       y = ED_SETTINGS_Y(textinput_info[i].y);
7009     }
7010
7011     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
7012     infotext[max_infotext_len] = '\0';
7013
7014     gi = CreateGadget(GDI_CUSTOM_ID, id,
7015                       GDI_CUSTOM_TYPE_ID, i,
7016                       GDI_INFO_TEXT, infotext,
7017                       GDI_X, SX + x,
7018                       GDI_Y, SY + y,
7019                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
7020                       GDI_TEXT_VALUE, textinput_info[i].value,
7021                       GDI_TEXT_SIZE, textinput_info[i].size,
7022                       GDI_TEXT_FONT, FONT_INPUT_1,
7023                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7024                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7025                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7026                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7027                       GDI_DESIGN_WIDTH, gd->width,
7028                       GDI_EVENT_MASK, event_mask,
7029                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7030                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
7031                       GDI_END);
7032
7033     if (gi == NULL)
7034       Fail("cannot create gadget");
7035
7036     level_editor_gadget[id] = gi;
7037   }
7038 }
7039
7040 static void CreateTextAreaGadgets(void)
7041 {
7042   int max_infotext_len = getMaxInfoTextLength();
7043   int i;
7044
7045   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
7046   {
7047     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
7048     int gd_x1 = gd->src_x;
7049     int gd_y1 = gd->src_y;
7050     int gd_x2 = gd->src_x + gd->active_xoffset;
7051     int gd_y2 = gd->src_y + gd->active_yoffset;
7052     struct GadgetInfo *gi;
7053     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
7054     char infotext[MAX_OUTPUT_LINESIZE + 1];
7055     int id = textarea_info[i].gadget_id;
7056     int area_xsize = textarea_info[i].xsize;
7057     int area_ysize = textarea_info[i].ysize;
7058
7059     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
7060     infotext[max_infotext_len] = '\0';
7061
7062     gi = CreateGadget(GDI_CUSTOM_ID, id,
7063                       GDI_CUSTOM_TYPE_ID, i,
7064                       GDI_INFO_TEXT, infotext,
7065                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
7066                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
7067                       GDI_TYPE, GD_TYPE_TEXT_AREA,
7068                       GDI_AREA_SIZE, area_xsize, area_ysize,
7069                       GDI_TEXT_FONT, FONT_INPUT_1,
7070                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7071                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7072                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7073                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7074                       GDI_DESIGN_WIDTH, gd->width,
7075                       GDI_EVENT_MASK, event_mask,
7076                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7077                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
7078                       GDI_END);
7079
7080     if (gi == NULL)
7081       Fail("cannot create gadget");
7082
7083     level_editor_gadget[id] = gi;
7084   }
7085 }
7086
7087 static void CreateSelectboxGadgets(void)
7088 {
7089   int max_infotext_len = getMaxInfoTextLength();
7090   int i, j;
7091
7092   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7093   {
7094     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
7095     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
7096     int gd_x1 = gd->src_x;
7097     int gd_y1 = gd->src_y;
7098     int gd_x2 = gd->src_x + gd->active_xoffset;
7099     int gd_y2 = gd->src_y + gd->active_yoffset;
7100     int selectbox_button_xsize = gd2->width;
7101     struct GadgetInfo *gi;
7102     char infotext[MAX_OUTPUT_LINESIZE + 1];
7103     int id = selectbox_info[i].gadget_id;
7104     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
7105     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
7106     unsigned int event_mask =
7107       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7108
7109     if (selectbox_info[i].size == -1)   // dynamically determine size
7110     {
7111       // (we cannot use -1 for uninitialized values if we directly compare
7112       // with results from strlen(), because the '<' and '>' operation will
7113       // implicitely cast -1 to an unsigned integer value!)
7114       selectbox_info[i].size = 0;
7115
7116       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
7117         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
7118           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
7119
7120       selectbox_info[i].size++;         // add one character empty space
7121     }
7122
7123     // determine horizontal position to the right of specified gadget
7124     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
7125       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
7126            ED_GADGET_TEXT_DISTANCE);
7127
7128     // determine horizontal offset for leading text
7129     if (selectbox_info[i].text_left != NULL)
7130       x += getTextWidthForGadget(selectbox_info[i].text_left);
7131
7132     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
7133     infotext[max_infotext_len] = '\0';
7134
7135     gi = CreateGadget(GDI_CUSTOM_ID, id,
7136                       GDI_CUSTOM_TYPE_ID, i,
7137                       GDI_INFO_TEXT, infotext,
7138                       GDI_X, x,
7139                       GDI_Y, y,
7140                       GDI_TYPE, GD_TYPE_SELECTBOX,
7141                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
7142                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
7143                       GDI_TEXT_SIZE, selectbox_info[i].size,
7144                       GDI_TEXT_FONT, FONT_INPUT_1,
7145                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7146                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
7147                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7148                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7149                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7150                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
7151                       GDI_DESIGN_WIDTH, gd->width,
7152                       GDI_EVENT_MASK, event_mask,
7153                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7154                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
7155                       GDI_END);
7156
7157     if (gi == NULL)
7158       Fail("cannot create gadget");
7159
7160     level_editor_gadget[id] = gi;
7161     right_gadget_border[id] =
7162       getRightGadgetBorder(gi, selectbox_info[i].text_right);
7163   }
7164 }
7165
7166 static void CreateTextbuttonGadgets(void)
7167 {
7168   int max_infotext_len = getMaxInfoTextLength();
7169   int i;
7170
7171   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
7172   {
7173     int id = textbutton_info[i].gadget_id;
7174     int is_tab_button =
7175       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_EDITOR) ||
7176        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
7177     int graphic =
7178       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
7179     int gadget_distance =
7180       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
7181     struct GraphicInfo *gd = &graphic_info[graphic];
7182     int gd_x1 = gd->src_x;
7183     int gd_y1 = gd->src_y;
7184     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7185     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7186     int gd_x1a = gd->src_x + gd->active_xoffset;
7187     int gd_y1a = gd->src_y + gd->active_yoffset;
7188     int border_xsize = gd->border_size + gd->draw_xoffset;
7189     int border_ysize = gd->border_size;
7190     struct GadgetInfo *gi;
7191     unsigned int event_mask = GD_EVENT_RELEASED;
7192     char infotext[MAX_OUTPUT_LINESIZE + 1];
7193     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
7194     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
7195
7196     if (textbutton_info[i].size == -1)  // dynamically determine size
7197       textbutton_info[i].size = strlen(textbutton_info[i].text);
7198
7199     sprintf(infotext, "%s", textbutton_info[i].infotext);
7200     infotext[max_infotext_len] = '\0';
7201
7202     // determine horizontal position to the right of specified gadget
7203     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7204     {
7205       int gadget_id_align = textbutton_info[i].gadget_id_align;
7206
7207       x = right_gadget_border[gadget_id_align] + gadget_distance;
7208
7209       if (textbutton_info[i].y == -1)
7210         y = level_editor_gadget[gadget_id_align]->y;
7211     }
7212
7213     // determine horizontal offset for leading text
7214     if (textbutton_info[i].text_left != NULL)
7215       x += getTextWidthForGadget(textbutton_info[i].text_left);
7216
7217     gi = CreateGadget(GDI_CUSTOM_ID, id,
7218                       GDI_CUSTOM_TYPE_ID, i,
7219                       GDI_IMAGE_ID, graphic,
7220                       GDI_INFO_TEXT, infotext,
7221                       GDI_X, x,
7222                       GDI_Y, y,
7223                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
7224                       GDI_TEXT_VALUE, textbutton_info[i].text,
7225                       GDI_TEXT_SIZE, textbutton_info[i].size,
7226                       GDI_TEXT_FONT, FONT_INPUT_2,
7227                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
7228                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7229                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7230                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7231                       GDI_BORDER_SIZE, border_xsize, border_ysize,
7232                       GDI_DESIGN_WIDTH, gd->width,
7233                       GDI_DECORATION_SHIFTING, 1, 1,
7234                       GDI_EVENT_MASK, event_mask,
7235                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7236                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
7237                       GDI_END);
7238
7239     if (gi == NULL)
7240       Fail("cannot create gadget");
7241
7242     level_editor_gadget[id] = gi;
7243     right_gadget_border[id] =
7244       getRightGadgetBorder(gi, textbutton_info[i].text_right);
7245   }
7246 }
7247
7248 static void CreateGraphicbuttonGadgets(void)
7249 {
7250   struct GadgetInfo *gi;
7251   int i;
7252
7253   // create buttons for scrolling of drawing area and element list
7254   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
7255   {
7256     int id = graphicbutton_info[i].gadget_id;
7257     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
7258     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
7259     int graphic = graphicbutton_info[i].graphic;
7260     struct GraphicInfo *gd = &graphic_info[graphic];
7261     int gd_x1 = gd->src_x;
7262     int gd_y1 = gd->src_y;
7263     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7264     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7265     unsigned int event_mask = GD_EVENT_RELEASED;
7266
7267     // determine horizontal position to the right of specified gadget
7268     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7269       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
7270            ED_GADGET_TEXT_DISTANCE);
7271
7272     // determine horizontal offset for leading text
7273     if (graphicbutton_info[i].text_left != NULL)
7274       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
7275
7276     gi = CreateGadget(GDI_CUSTOM_ID, id,
7277                       GDI_CUSTOM_TYPE_ID, i,
7278                       GDI_IMAGE_ID, graphic,
7279                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
7280                       GDI_X, x,
7281                       GDI_Y, y,
7282                       GDI_WIDTH, gd->width,
7283                       GDI_HEIGHT, gd->height,
7284                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7285                       GDI_STATE, GD_BUTTON_UNPRESSED,
7286                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7287                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7288                       GDI_EVENT_MASK, event_mask,
7289                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7290                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
7291                       GDI_END);
7292
7293     if (gi == NULL)
7294       Fail("cannot create gadget");
7295
7296     level_editor_gadget[id] = gi;
7297     right_gadget_border[id] =
7298       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
7299   }
7300 }
7301
7302 static void CreateScrollbarGadgets(void)
7303 {
7304   int i;
7305
7306   // these values are not constant, but can change at runtime
7307   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
7308     SX + ED_SCROLL_HORIZONTAL_XPOS;
7309   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
7310     SY + ED_SCROLL_HORIZONTAL_YPOS;
7311   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
7312     ED_SCROLL_HORIZONTAL_XSIZE;
7313   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
7314     ED_SCROLL_HORIZONTAL_YSIZE;
7315   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
7316   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
7317   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
7318   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
7319
7320   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
7321     SX + ED_SCROLL_VERTICAL_XPOS;
7322   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
7323     SY + ED_SCROLL_VERTICAL_YPOS;
7324   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
7325     ED_SCROLL_VERTICAL_XSIZE;
7326   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
7327     ED_SCROLL_VERTICAL_YSIZE;
7328   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
7329   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
7330   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
7331   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
7332
7333   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
7334     PX + ED_SCROLL2_VERTICAL_XPOS;
7335   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
7336     PY + ED_SCROLL2_VERTICAL_YPOS;
7337   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
7338     ED_SCROLL2_VERTICAL_XSIZE;
7339   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
7340     ED_SCROLL2_VERTICAL_YSIZE;
7341   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
7342   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
7343   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
7344   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
7345
7346   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
7347   {
7348     int id = scrollbar_info[i].gadget_id;
7349     int graphic = scrollbar_info[i].graphic;
7350     struct GraphicInfo *gd = &graphic_info[graphic];
7351     int gd_x1 = gd->src_x;
7352     int gd_y1 = gd->src_y;
7353     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7354     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7355     struct GadgetInfo *gi;
7356     int items_max, items_visible, item_position;
7357     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
7358
7359     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
7360     {
7361       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7362       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7363       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7364     }
7365     else        // drawing area scrollbars
7366     {
7367       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
7368       {
7369         items_max = MAX(lev_fieldx + 2, ed_fieldx);
7370         items_visible = ed_fieldx;
7371         item_position = 0;
7372       }
7373       else
7374       {
7375         items_max = MAX(lev_fieldy + 2, ed_fieldy);
7376         items_visible = ed_fieldy;
7377         item_position = 0;
7378       }
7379     }
7380
7381     gi = CreateGadget(GDI_CUSTOM_ID, id,
7382                       GDI_CUSTOM_TYPE_ID, i,
7383                       GDI_IMAGE_ID, graphic,
7384                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
7385                       GDI_X, scrollbar_pos[i].x,
7386                       GDI_Y, scrollbar_pos[i].y,
7387                       GDI_WIDTH, scrollbar_pos[i].width,
7388                       GDI_HEIGHT, scrollbar_pos[i].height,
7389                       GDI_TYPE, scrollbar_info[i].type,
7390                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
7391                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7392                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
7393                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
7394                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
7395                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
7396                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
7397                       GDI_STATE, GD_BUTTON_UNPRESSED,
7398                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7399                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7400                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7401                       GDI_EVENT_MASK, event_mask,
7402                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7403                       GDI_CALLBACK_ACTION, HandleControlButtons,
7404                       GDI_END);
7405
7406     if (gi == NULL)
7407       Fail("cannot create gadget");
7408
7409     level_editor_gadget[id] = gi;
7410   }
7411 }
7412
7413 static void CreateCheckbuttonGadgets(void)
7414 {
7415   struct GadgetInfo *gi;
7416   int i;
7417
7418   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7419   {
7420     int id = checkbutton_info[i].gadget_id;
7421     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7422                    IMG_EDITOR_CHECKBOX);
7423     struct GraphicInfo *gd = &graphic_info[graphic];
7424     int gd_x1 = gd->src_x;
7425     int gd_y1 = gd->src_y;
7426     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7427     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7428     int gd_x1a = gd->src_x + gd->active_xoffset;
7429     int gd_y1a = gd->src_y + gd->active_yoffset;
7430     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7431     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7432     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7433     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7434     unsigned int event_mask = GD_EVENT_PRESSED;
7435
7436     // determine horizontal position to the right of specified gadget
7437     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7438       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7439            ED_GADGET_TEXT_DISTANCE);
7440
7441     // determine horizontal offset for leading text
7442     if (checkbutton_info[i].text_left != NULL)
7443       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7444
7445     gi = CreateGadget(GDI_CUSTOM_ID, id,
7446                       GDI_CUSTOM_TYPE_ID, i,
7447                       GDI_IMAGE_ID, graphic,
7448                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7449                       GDI_X, x,
7450                       GDI_Y, y,
7451                       GDI_WIDTH, gd->width,
7452                       GDI_HEIGHT, gd->height,
7453                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7454                       GDI_CHECKED, *checkbutton_info[i].value,
7455                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7456                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7457                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7458                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7459                       GDI_EVENT_MASK, event_mask,
7460                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7461                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7462                       GDI_END);
7463
7464     if (gi == NULL)
7465       Fail("cannot create gadget");
7466
7467     level_editor_gadget[id] = gi;
7468     right_gadget_border[id] =
7469       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7470   }
7471 }
7472
7473 static void CreateRadiobuttonGadgets(void)
7474 {
7475   int graphic = IMG_EDITOR_RADIOBUTTON;
7476   struct GraphicInfo *gd = &graphic_info[graphic];
7477   int gd_x1 = gd->src_x;
7478   int gd_y1 = gd->src_y;
7479   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7480   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7481   int gd_x1a = gd->src_x + gd->active_xoffset;
7482   int gd_y1a = gd->src_y + gd->active_yoffset;
7483   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7484   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7485   struct GadgetInfo *gi;
7486   int i;
7487
7488   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7489   {
7490     int id = radiobutton_info[i].gadget_id;
7491     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7492     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7493     unsigned int event_mask = GD_EVENT_PRESSED;
7494
7495     int checked =
7496       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7497
7498     // determine horizontal position to the right of specified gadget
7499     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7500       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7501            ED_GADGET_TEXT_DISTANCE);
7502
7503     // determine horizontal offset for leading text
7504     if (radiobutton_info[i].text_left != NULL)
7505       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7506
7507     gi = CreateGadget(GDI_CUSTOM_ID, id,
7508                       GDI_CUSTOM_TYPE_ID, i,
7509                       GDI_IMAGE_ID, graphic,
7510                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7511                       GDI_X, x,
7512                       GDI_Y, y,
7513                       GDI_WIDTH, gd->width,
7514                       GDI_HEIGHT, gd->height,
7515                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7516                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7517                       GDI_CHECKED, checked,
7518                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7519                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7520                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7521                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7522                       GDI_EVENT_MASK, event_mask,
7523                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7524                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7525                       GDI_END);
7526
7527     if (gi == NULL)
7528       Fail("cannot create gadget");
7529
7530     level_editor_gadget[id] = gi;
7531     right_gadget_border[id] =
7532       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7533   }
7534 }
7535
7536 void CreateLevelEditorGadgets(void)
7537 {
7538   // force EDITOR font inside level editor
7539   SetFontStatus(GAME_MODE_EDITOR);
7540
7541   // these values are not constant, but can change at runtime
7542   ed_fieldx = MAX_ED_FIELDX - 1;
7543   ed_fieldy = MAX_ED_FIELDY - 1;
7544
7545   num_editor_gadgets = NUM_EDITOR_GADGETS;
7546
7547   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
7548
7549   level_editor_gadget =
7550     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7551   right_gadget_border =
7552     checked_calloc(num_editor_gadgets * sizeof(int));
7553
7554   // set number of empty (padding) element buttons to maximum number of buttons
7555   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
7556
7557   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
7558   editor_el_empty_ptr = editor_el_empty;
7559
7560   use_permanent_palette = !editor.palette.show_as_separate_screen;
7561
7562   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
7563
7564   ReinitializeElementList();
7565
7566   CreateControlButtons();
7567   CreateScrollbarGadgets();
7568
7569   // order of function calls is important because of cross-references
7570   CreateCheckbuttonGadgets();
7571   CreateCounterButtons();
7572   CreateRadiobuttonGadgets();
7573   CreateTextInputGadgets();
7574   CreateTextAreaGadgets();
7575   CreateSelectboxGadgets();
7576   CreateGraphicbuttonGadgets();
7577   CreateTextbuttonGadgets();
7578   CreateDrawingAreas();
7579
7580   ResetFontStatus();
7581 }
7582
7583 void FreeLevelEditorGadgets(void)
7584 {
7585   int i;
7586
7587   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
7588
7589   for (i = 0; i < num_editor_gadgets; i++)
7590   {
7591     FreeGadget(level_editor_gadget[i]);
7592
7593     level_editor_gadget[i] = NULL;
7594   }
7595
7596   checked_free(level_editor_gadget);
7597   checked_free(right_gadget_border);
7598
7599   checked_free(editor_el_empty);
7600 }
7601
7602 static void MapCounterButtons(int id)
7603 {
7604   int font_nr = FONT_TEXT_1;
7605   int font_height = getFontHeight(font_nr);
7606   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7607   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7608   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7609   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7610   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7611   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7612   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7613   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7614   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7615   int yoffset = (gi_down->height - font_height) / 2;
7616   int x_left = gi_down->x - xoffset_left;
7617   int x_right;  // set after gadget position was modified
7618   int y_above = gi_down->y - yoffset_above;
7619   int x = gi_down->x;
7620   int y;        // set after gadget position was modified
7621
7622   // counter limits must be changed first to prevent value truncation
7623   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7624                             counterbutton_info[id].max_value);
7625
7626   // right text position might have changed after setting position above
7627   x_right = gi_up->x + gi_up->width + xoffset_right;
7628
7629   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7630
7631   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7632   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7633       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7634   {
7635     ModifyGadget(gi_down, GDI_Y,
7636                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7637     ModifyGadget(gi_text, GDI_Y,
7638                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7639     ModifyGadget(gi_up,   GDI_Y,
7640                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7641   }
7642
7643   // vertical position might have changed after setting position above
7644   y = gi_up->y + yoffset;
7645
7646   if (counterbutton_info[id].text_above)
7647     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7648
7649   if (counterbutton_info[id].text_left)
7650     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7651
7652   if (counterbutton_info[id].text_right)
7653     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7654
7655   MapGadget(gi_down);
7656   MapGadget(gi_text);
7657   MapGadget(gi_up);
7658 }
7659
7660 static void MapControlButtons(void)
7661 {
7662   int counter_id;
7663   int i;
7664
7665   // map toolbox buttons (excluding special CE toolbox buttons)
7666   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7667     MapGadget(level_editor_gadget[i]);
7668
7669   // map toolbox buttons (element properties buttons)
7670   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7671     MapGadget(level_editor_gadget[i]);
7672
7673   if (use_permanent_palette)
7674   {
7675     // map buttons to select elements
7676     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7677       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7678     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7679     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7680     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7681   }
7682
7683   // map buttons to select level
7684   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7685   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7686   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7687   MapCounterButtons(counter_id);
7688 }
7689
7690 static void MapDrawingArea(int id)
7691 {
7692   int font_nr = FONT_TEXT_1;
7693   int font_height = getFontHeight(font_nr);
7694   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7695   int area_xsize = gi->drawing.area_xsize;
7696   int area_ysize = gi->drawing.area_ysize;
7697   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7698   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7699   int x_left  = gi->x - xoffset_left;
7700   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7701   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
7702   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7703   int y_side  = gi->y + (gi->height - font_height) / 2;
7704   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
7705   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7706
7707   if (drawingarea_info[id].text_left)
7708     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7709
7710   if (drawingarea_info[id].text_right)
7711     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7712
7713   if (drawingarea_info[id].text_above)
7714     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
7715
7716   if (drawingarea_info[id].text_below)
7717     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7718
7719   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7720   {
7721     DrawElementBorder(gi->x, gi->y,
7722                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7723                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7724
7725     DrawDrawingArea(id);
7726   }
7727
7728   MapGadget(gi);
7729 }
7730
7731 static void MapTextInputGadget(int id)
7732 {
7733   int font_nr = FONT_TEXT_1;
7734   int font_height = getFontHeight(font_nr);
7735   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7736   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7737   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7738   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7739
7740   if (textinput_info[id].text_above)
7741     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7742
7743   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7744
7745   MapGadget(gi);
7746 }
7747
7748 static void MapTextAreaGadget(int id)
7749 {
7750   int font_nr = FONT_TEXT_1;
7751   int font_height = getFontHeight(font_nr);
7752   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7753   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7754   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7755   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7756   char *text_above = textarea_info[id].text_above;
7757
7758   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
7759     text_above = textarea_info[id].text_above_cropped;
7760
7761   if (text_above)
7762     DrawTextS(x_above, y_above, font_nr, text_above);
7763
7764   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7765
7766   MapGadget(gi);
7767 }
7768
7769 static void MapSelectboxGadget(int id)
7770 {
7771   int font_nr = FONT_TEXT_1;
7772   int font_height = getFontHeight(font_nr);
7773   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7774   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7775   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7776   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7777   int yoffset = (gi->height - font_height) / 2;
7778   int x_left = gi->x - xoffset_left;
7779   int x_right = gi->x + gi->width + xoffset_right;
7780   int y_above = gi->y - yoffset_above;
7781   int x = gi->x;
7782   int y = gi->y + yoffset;
7783
7784   if (selectbox_info[id].text_above)
7785     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7786
7787   if (selectbox_info[id].text_left)
7788     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7789
7790   if (selectbox_info[id].text_right)
7791     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7792
7793   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7794
7795   MapGadget(gi);
7796 }
7797
7798 static void MapTextbuttonGadget(int id)
7799 {
7800   int font_nr = FONT_TEXT_1;
7801   int font_height = getFontHeight(font_nr);
7802   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7803   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7804   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7805   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7806   int yoffset = (gi->height - font_height) / 2;
7807   int x_left = gi->x - xoffset_left;
7808   int x_right = gi->x + gi->width + xoffset_right;
7809   int y_above = gi->y - yoffset_above;
7810   int x = gi->x;
7811   int y = gi->y + yoffset;
7812
7813   // only show button to delete change pages when more than minimum pages
7814   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7815       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7816     return;
7817
7818   if (textbutton_info[id].text_above)
7819     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7820
7821   if (textbutton_info[id].text_left)
7822     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7823
7824   if (textbutton_info[id].text_right)
7825     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7826
7827   MapGadget(gi);
7828 }
7829
7830 static void MapGraphicbuttonGadget(int id)
7831 {
7832   int font_nr = FONT_TEXT_1;
7833   int font_height = getFontHeight(font_nr);
7834   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
7835   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7836   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7837   int yoffset = (gi->height - font_height) / 2;
7838   int x_left = gi->x - xoffset_left;
7839   int x_right = gi->x + gi->width + xoffset_right;
7840   int y = gi->y + yoffset;
7841
7842   if (graphicbutton_info[id].text_left)
7843     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7844
7845   if (graphicbutton_info[id].text_right)
7846     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7847
7848   MapGadget(gi);
7849 }
7850
7851 static void MapRadiobuttonGadget(int id)
7852 {
7853   int font_nr = FONT_TEXT_1;
7854   int font_height = getFontHeight(font_nr);
7855   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7856   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7857   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7858   int yoffset = (gi->height - font_height) / 2;
7859   int x_left = gi->x - xoffset_left;
7860   int x_right = gi->x + gi->width + xoffset_right;
7861   int y = gi->y + yoffset;
7862   boolean checked =
7863     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7864
7865   if (radiobutton_info[id].text_left)
7866     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7867
7868   if (radiobutton_info[id].text_right)
7869     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7870
7871   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7872
7873   MapGadget(gi);
7874 }
7875
7876 static void MapCheckbuttonGadget(int id)
7877 {
7878   int font_nr = FONT_TEXT_1;
7879   int font_height = getFontHeight(font_nr);
7880   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7881   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7882   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7883   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7884   int yoffset = (gi->height - font_height) / 2;
7885   int y_above = gi->y - yoffset_above;
7886   int x = gi->x;
7887   int x_left, x_right, y;       // set after gadget position was modified
7888
7889   // set position for gadgets with dynamically determined position
7890   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
7891     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
7892   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7893
7894   x_left = gi->x - xoffset_left;
7895   x_right = gi->x + gi->width + xoffset_right;
7896   y = gi->y + yoffset;
7897
7898   if (checkbutton_info[id].text_above)
7899     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7900
7901   if (checkbutton_info[id].text_left)
7902     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7903
7904   if (checkbutton_info[id].text_right)
7905     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7906
7907   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7908
7909   MapGadget(gi);
7910 }
7911
7912 static void MapMainDrawingArea(void)
7913 {
7914   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7915   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7916   int i;
7917
7918   if (suppressBorderElement())
7919   {
7920     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7921     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7922   }
7923
7924   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7925   {
7926     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7927           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7928          no_horizontal_scrollbar) ||
7929         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7930           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7931          no_vertical_scrollbar))
7932       continue;
7933
7934     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7935   }
7936
7937   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7938   {
7939     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7940         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7941       continue;
7942
7943     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7944   }
7945
7946   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7947 }
7948
7949 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7950 {
7951   int i;
7952
7953   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7954   {
7955     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7956         i == GADGET_ID_CUSTOM_COPY_TO ||
7957         i == GADGET_ID_CUSTOM_EXCHANGE ||
7958         i == GADGET_ID_CUSTOM_COPY ||
7959         i == GADGET_ID_CUSTOM_PASTE)
7960     {
7961       if (map)
7962         MapGadget(level_editor_gadget[i]);
7963       else
7964         UnmapGadget(level_editor_gadget[i]);
7965     }
7966   }
7967 }
7968
7969 static void MapLevelEditorToolboxCustomGadgets(void)
7970 {
7971   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7972 }
7973
7974 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
7975 {
7976   if (IS_CUSTOM_ELEMENT(properties_element) ||
7977       IS_GROUP_ELEMENT(properties_element) ||
7978       IS_EMPTY_ELEMENT(properties_element))
7979     MapLevelEditorToolboxCustomGadgets();
7980 }
7981
7982 static void UnmapLevelEditorToolboxCustomGadgets(void)
7983 {
7984   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7985 }
7986
7987 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7988 {
7989   int i;
7990
7991   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7992   {
7993     if (i != GADGET_ID_SINGLE_ITEMS &&
7994         i != GADGET_ID_PICK_ELEMENT)
7995     {
7996       struct GadgetInfo *gi = level_editor_gadget[i];
7997
7998       if (map)
7999       {
8000         MapGadget(gi);
8001       }
8002       else
8003       {
8004         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
8005         struct GraphicInfo *gd = &graphic_info[graphic];
8006
8007         UnmapGadget(gi);
8008
8009         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
8010                    gi->width, gi->height, gi->x, gi->y);
8011
8012         redraw_mask |= REDRAW_DOOR_3;
8013       }
8014     }
8015   }
8016 }
8017
8018 static void MapLevelEditorToolboxDrawingGadgets(void)
8019 {
8020   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
8021 }
8022
8023 static void UnmapLevelEditorToolboxDrawingGadgets(void)
8024 {
8025   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
8026 }
8027
8028 static void UnmapDrawingArea(int id)
8029 {
8030   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
8031 }
8032
8033 static void UnmapLevelEditorFieldGadgets(void)
8034 {
8035   int i;
8036
8037   for (i = 0; i < num_editor_gadgets; i++)
8038     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
8039                           level_editor_gadget[i]->y))
8040       UnmapGadget(level_editor_gadget[i]);
8041 }
8042
8043 void UnmapLevelEditorGadgets(void)
8044 {
8045   int i;
8046
8047   for (i = 0; i < num_editor_gadgets; i++)
8048     UnmapGadget(level_editor_gadget[i]);
8049 }
8050
8051 static void ResetUndoBuffer(void)
8052 {
8053   undo_buffer_position = -1;
8054   undo_buffer_steps = -1;
8055   redo_buffer_steps = 0;
8056
8057   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8058
8059   level.changed = FALSE;
8060 }
8061
8062 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
8063 {
8064   if (remap_toolbox_gadgets)
8065   {
8066     ModifyEditorElementList();
8067     RedrawDrawingElements();
8068   }
8069
8070   if (edit_mode == ED_MODE_LEVELCONFIG)
8071     DrawLevelConfigWindow();
8072   else if (edit_mode == ED_MODE_PROPERTIES)
8073     DrawPropertiesWindow();
8074   else if (edit_mode == ED_MODE_PALETTE)
8075     DrawPaletteWindow();
8076   else  // edit_mode == ED_MODE_DRAWING
8077     DrawDrawingWindowExt(remap_toolbox_gadgets);
8078 }
8079
8080 static void DrawEditModeWindow(void)
8081 {
8082   DrawEditModeWindowExt(TRUE);
8083 }
8084
8085 static void DrawEditModeWindow_PlayfieldOnly(void)
8086 {
8087   DrawEditModeWindowExt(FALSE);
8088 }
8089
8090 static void ChangeEditModeWindow(int new_edit_mode)
8091 {
8092   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
8093
8094   DrawEditModeWindow();
8095 }
8096
8097 static boolean LevelChanged(void)
8098 {
8099   boolean field_changed = FALSE;
8100   int x, y;
8101
8102   for (y = 0; y < lev_fieldy; y++)
8103     for (x = 0; x < lev_fieldx; x++)
8104       if (Tile[x][y] != level.field[x][y])
8105         field_changed = TRUE;
8106
8107   return (level.changed || field_changed);
8108 }
8109
8110 static boolean PrepareSavingIntoPersonalLevelSet(void)
8111 {
8112   static LevelDirTree *last_copied_leveldir = NULL;
8113   static LevelDirTree *last_written_leveldir = NULL;
8114   static int last_copied_level_nr = -1;
8115   static int last_written_level_nr = -1;
8116   LevelDirTree *leveldir_former = leveldir_current;
8117   int level_nr_former = level_nr;
8118   int new_level_nr;
8119
8120   // remember last mod/save so that for current session, we write
8121   // back to the same personal copy, asking only about overwrite.
8122   if (leveldir_current == last_copied_leveldir &&
8123       level_nr == last_copied_level_nr)
8124   {
8125     // "cd" to personal level set dir (as used when writing last copy)
8126     leveldir_current = last_written_leveldir;
8127     level_nr = last_written_level_nr;
8128
8129     return TRUE;
8130   }
8131
8132   if (!Request("This level is read-only! "
8133                "Save into personal level set?", REQ_ASK))
8134     return FALSE;
8135
8136   // "cd" to personal level set dir (for writing copy the first time)
8137   leveldir_current =
8138     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
8139
8140   // this may happen if "setup.internal.create_user_levelset" is FALSE
8141   // or if file "levelinfo.conf" is missing in personal user level set
8142   if (leveldir_current == NULL)
8143   {
8144     Request("Cannot find personal level set?!", REQ_CONFIRM);
8145
8146     leveldir_current = leveldir_former;
8147
8148     return FALSE;
8149   }
8150
8151   // find unused level number
8152   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
8153   {
8154     static char *level_filename = NULL;
8155
8156     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
8157
8158     if (!fileExists(level_filename))
8159       break;
8160   }
8161
8162   last_copied_leveldir = leveldir_former;
8163   last_copied_level_nr = level_nr_former;
8164
8165   last_written_leveldir = leveldir_current;
8166   last_written_level_nr = level_nr = new_level_nr;
8167
8168   return TRUE;
8169 }
8170
8171 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
8172 {
8173   static char *filename_levelinfo = NULL, *mod_name = NULL;
8174   FILE *file;
8175
8176   // annotate this copy-and-mod in personal levelinfo.conf
8177   setString(&filename_levelinfo,
8178             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
8179
8180   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
8181   {
8182     fprintf(file, "\n");
8183     fprintf(file, "# level %d was modified from:\n", level_nr);
8184     fprintf(file, "# - previous level set name:    %s\n",
8185             former_name);
8186     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
8187             level.file_info.nr, level.name);
8188     fprintf(file, "# - previous author:            %s\n",
8189             level.author);
8190     fprintf(file, "# - previous save date:         ");
8191
8192     if (level.creation_date.src == DATE_SRC_LEVELFILE)
8193     {
8194       fprintf(file, "%04d-%02d-%02d\n",
8195               level.creation_date.year,
8196               level.creation_date.month,
8197               level.creation_date.day);
8198     }
8199     else
8200     {
8201       fprintf(file, "not recorded\n");
8202     }
8203
8204     fclose(file);
8205   }
8206
8207   if (level_nr > leveldir_current->last_level)
8208     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
8209
8210   // else: allow the save even if annotation failed
8211
8212   // now... spray graffiti on the old level vital statistics
8213   // user can change these; just trying to set a good baseline
8214
8215   // don't truncate names for fear of making offensive or silly:
8216   // long-named original author only recorded in levelinfo.conf.
8217   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
8218   if (!strEqual(level.author, leveldir_current->author))
8219   {
8220     setString(&mod_name, getStringCat3(leveldir_current->author,
8221                                        " after ", level.author));
8222
8223     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8224       setString(&mod_name,
8225                 getStringCat2(leveldir_current->author, " (ed.)"));
8226
8227     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8228       setString(&mod_name, leveldir_current->author);
8229
8230     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
8231
8232     // less worried about truncation here
8233     setString(&mod_name, getStringCat2("Mod: ", level.name));
8234     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
8235   }
8236 }
8237
8238 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
8239                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
8240 {
8241   int x, y;
8242
8243   for (x = 0; x < lev_fieldx; x++)
8244     for (y = 0; y < lev_fieldy; y++)
8245       dst[x][y] = src[x][y];
8246 }
8247
8248 static int setSelectboxValue(int selectbox_id, int new_value)
8249 {
8250   int new_index_value = 0;
8251   int i;
8252
8253   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
8254     if (selectbox_info[selectbox_id].options[i].value == new_value)
8255       new_index_value = i;
8256
8257   *selectbox_info[selectbox_id].value =
8258     selectbox_info[selectbox_id].options[new_index_value].value;
8259
8260   return new_index_value;
8261 }
8262
8263 static void setSelectboxSpecialActionVariablesIfNeeded(void)
8264 {
8265   int i;
8266
8267   // change action mode and arg variables according to action type variable
8268   for (i = 0; action_arg_options[i].value != -1; i++)
8269   {
8270     if (action_arg_options[i].value == custom_element_change.action_type)
8271     {
8272       int mode = action_arg_options[i].mode;
8273
8274       // only change if corresponding selectbox has changed
8275       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
8276           action_arg_modes[mode])
8277         custom_element_change.action_mode = -1;
8278
8279       // only change if corresponding selectbox has changed
8280       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
8281           action_arg_options[i].options)
8282         custom_element_change.action_arg = -1;
8283
8284       break;
8285     }
8286   }
8287 }
8288
8289 static void setSelectboxSpecialActionOptions(void)
8290 {
8291   int i;
8292
8293   // change action mode and arg selectbox according to action type selectbox
8294   for (i = 0; action_arg_options[i].value != -1; i++)
8295   {
8296     if (action_arg_options[i].value == custom_element_change.action_type)
8297     {
8298       int mode = action_arg_options[i].mode;
8299
8300       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
8301                                    action_arg_modes[mode]);
8302       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
8303                                  custom_element_change.action_mode);
8304
8305       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
8306                                    action_arg_options[i].options);
8307       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
8308                                  custom_element_change.action_arg);
8309       break;
8310     }
8311   }
8312 }
8313
8314 static void copy_custom_element_settings(int element_from, int element_to)
8315 {
8316   struct ElementInfo *ei_from = &element_info[element_from];
8317   struct ElementInfo *ei_to = &element_info[element_to];
8318
8319   copyElementInfo(ei_from, ei_to);
8320 }
8321
8322 static void replace_custom_element_in_settings(int element_from,
8323                                                int element_to)
8324 {
8325   int i, j, x, y;
8326
8327   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8328   {
8329     struct ElementInfo *ei = &element_info[i];
8330
8331     for (y = 0; y < 3; y++)
8332       for (x = 0; x < 3; x++)
8333         if (ei->content.e[x][y] == element_from)
8334           ei->content.e[x][y] = element_to;
8335
8336     for (j = 0; j < ei->num_change_pages; j++)
8337     {
8338       struct ElementChangeInfo *change = &ei->change_page[j];
8339
8340       if (change->target_element == element_from)
8341         change->target_element = element_to;
8342
8343       if (change->initial_trigger_element == element_from)
8344         change->initial_trigger_element = element_to;
8345
8346       if (change->action_element == element_from)
8347         change->action_element = element_to;
8348
8349       for (y = 0; y < 3; y++)
8350         for (x = 0; x < 3; x++)
8351           if (change->target_content.e[x][y] == element_from)
8352             change->target_content.e[x][y] = element_to;
8353     }
8354
8355     if (ei->group != NULL)                              // group or internal
8356       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
8357         if (ei->group->element[j] == element_from)
8358           ei->group->element[j] = element_to;
8359   }
8360 }
8361
8362 static void replace_custom_element_in_playfield(int element_from,
8363                                                 int element_to)
8364 {
8365   int x, y;
8366
8367   for (x = 0; x < lev_fieldx; x++)
8368     for (y = 0; y < lev_fieldy; y++)
8369       if (Tile[x][y] == element_from)
8370         Tile[x][y] = element_to;
8371 }
8372
8373 static boolean CopyCustomElement(int element_old, int element_new,
8374                                  int copy_mode)
8375 {
8376   int copy_mode_orig = copy_mode;
8377
8378   if (copy_mode == GADGET_ID_CUSTOM_COPY)
8379   {
8380     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
8381                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8382     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8383   }
8384   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
8385   {
8386     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
8387                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8388     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8389
8390     level.changed = TRUE;
8391   }
8392   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
8393   {
8394     Request("Please choose custom element!", REQ_CONFIRM);
8395
8396     return FALSE;
8397   }
8398   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
8399   {
8400     Request("Please choose group element!", REQ_CONFIRM);
8401
8402     return FALSE;
8403   }
8404   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
8405   {
8406     Request("Please choose empty element!", REQ_CONFIRM);
8407
8408     return FALSE;
8409   }
8410   else
8411   {
8412     level.changed = TRUE;
8413   }
8414
8415   // when modifying custom/group element, ask for copying level template
8416   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
8417   {
8418     if (!AskToCopyAndModifyLevelTemplate())
8419       return FALSE;
8420   }
8421
8422   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8423   {
8424     copy_custom_element_settings(element_new, element_old);
8425   }
8426   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8427   {
8428     copy_custom_element_settings(element_old, element_new);
8429   }
8430   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8431   {
8432     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8433     copy_custom_element_settings(element_new, element_old);
8434     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8435
8436     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8437     replace_custom_element_in_settings(element_new, element_old);
8438     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8439
8440     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8441     replace_custom_element_in_playfield(element_new, element_old);
8442     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8443   }
8444
8445   UpdateCustomElementGraphicGadgets();
8446   DrawPropertiesWindow();
8447
8448   return TRUE;
8449 }
8450
8451 static void CopyCustomElementPropertiesToEditor(int element)
8452 {
8453   int i;
8454   int current_change_page = element_info[element].current_change_page;
8455
8456   // dynamically (re)build selectbox for selecting change page
8457   for (i = 0; i < element_info[element].num_change_pages; i++)
8458   {
8459     sprintf(options_change_page_strings[i], "%d", i + 1);
8460
8461     options_change_page[i].value = i;
8462     options_change_page[i].text = options_change_page_strings[i];
8463   }
8464
8465   options_change_page[i].value = -1;
8466   options_change_page[i].text = NULL;
8467
8468   // needed here to initialize combined element properties
8469   InitElementPropertiesEngine(level.game_version);
8470
8471   element_info[element].change =
8472     &element_info[element].change_page[current_change_page];
8473
8474   custom_element = element_info[element];
8475   custom_element_change = *element_info[element].change;
8476
8477   // needed to initially set selectbox options for special action options
8478   setSelectboxSpecialActionOptions();
8479
8480   // needed to initially set selectbox value variables to reliable defaults
8481   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8482     setSelectboxValue(i, *selectbox_info[i].value);
8483
8484   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8485     custom_element_properties[i] = HAS_PROPERTY(element, i);
8486
8487   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8488     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8489
8490   // ---------- element settings: configure (custom elements) -----------------
8491
8492   // set accessible layer selectbox help value
8493   custom_element.access_type =
8494     (IS_WALKABLE(element) ? EP_WALKABLE :
8495      IS_PASSABLE(element) ? EP_PASSABLE :
8496      custom_element.access_type);
8497   custom_element.access_layer =
8498     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8499      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8500      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8501      custom_element.access_layer);
8502   custom_element.access_protected =
8503     (IS_PROTECTED(element) ? 1 : 0);
8504   custom_element_properties[EP_ACCESSIBLE] =
8505     (IS_ACCESSIBLE_OVER(element) ||
8506      IS_ACCESSIBLE_INSIDE(element) ||
8507      IS_ACCESSIBLE_UNDER(element));
8508
8509   // set walk-to-object action selectbox help value
8510   custom_element.walk_to_action =
8511     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8512      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8513      IS_DROPPABLE(element) ? EP_DROPPABLE :
8514      IS_THROWABLE(element) ? EP_THROWABLE :
8515      IS_PUSHABLE(element) ? EP_PUSHABLE :
8516      custom_element.walk_to_action);
8517   custom_element_properties[EP_WALK_TO_OBJECT] =
8518     (IS_DIGGABLE(element) ||
8519      IS_COLLECTIBLE_ONLY(element) ||
8520      IS_DROPPABLE(element) ||
8521      IS_THROWABLE(element) ||
8522      IS_PUSHABLE(element));
8523
8524   // set smash targets selectbox help value
8525   custom_element.smash_targets =
8526     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8527      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8528      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8529      custom_element.smash_targets);
8530   custom_element_properties[EP_CAN_SMASH] =
8531     (CAN_SMASH_EVERYTHING(element) ||
8532      CAN_SMASH_ENEMIES(element) ||
8533      CAN_SMASH_PLAYER(element));
8534
8535   // set deadliness selectbox help value
8536   custom_element.deadliness =
8537     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8538      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8539      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8540      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8541      custom_element.deadliness);
8542   custom_element_properties[EP_DEADLY] =
8543     (DONT_TOUCH(element) ||
8544      DONT_GET_HIT_BY(element) ||
8545      DONT_COLLIDE_WITH(element) ||
8546      DONT_RUN_INTO(element));
8547
8548   // ---------- element settings: advanced (custom elements) ------------------
8549
8550   // set "change by direct action" selectbox help value
8551   custom_element_change.direct_action =
8552     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
8553      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8554      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8555      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8556      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8557      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8558      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8559      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8560      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8561      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8562      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8563      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8564      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8565      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8566      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8567      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8568      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8569      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8570      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8571      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
8572      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
8573      custom_element_change.direct_action);
8574
8575   // set "change by other element action" selectbox help value
8576   custom_element_change.other_action =
8577     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
8578      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8579      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8580      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8581      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8582      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8583      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8584      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8585      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8586      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8587      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8588      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
8589      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8590      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8591      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8592      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8593      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8594      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8595      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8596      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8597      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8598      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8599      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8600      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8601      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8602      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
8603      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
8604      custom_element_change.other_action);
8605 }
8606
8607 static void CopyGroupElementPropertiesToEditor(int element)
8608 {
8609   group_element_info = *element_info[element].group;
8610   custom_element = element_info[element];       // needed for description
8611 }
8612
8613 static void CopyEmptyElementPropertiesToEditor(int element)
8614 {
8615   custom_element = element_info[element];
8616 }
8617
8618 static void CopyClassicElementPropertiesToEditor(int element)
8619 {
8620   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8621     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8622       getMoveIntoAcidProperty(&level, element);
8623
8624   if (MAYBE_DONT_COLLIDE_WITH(element))
8625     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8626       getDontCollideWithProperty(&level, element);
8627 }
8628
8629 static void CopyElementPropertiesToEditor(int element)
8630 {
8631   if (IS_CUSTOM_ELEMENT(element))
8632     CopyCustomElementPropertiesToEditor(element);
8633   else if (IS_GROUP_ELEMENT(element))
8634     CopyGroupElementPropertiesToEditor(element);
8635   else if (IS_EMPTY_ELEMENT(element))
8636     CopyEmptyElementPropertiesToEditor(element);
8637   else
8638     CopyClassicElementPropertiesToEditor(element);
8639 }
8640
8641 static boolean AskToCopyAndModifyLevelTemplate(void)
8642 {
8643   if (Request("Copy and modify settings from level template?", REQ_ASK))
8644   {
8645     level.use_custom_template = FALSE;
8646
8647     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8648                  GDI_CHECKED, FALSE, GDI_END);
8649     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8650                  GDI_CHECKED, FALSE, GDI_END);
8651
8652     return TRUE;
8653   }
8654   else
8655   {
8656     LoadLevelTemplate(-1);      // this resets all element modifications ...
8657
8658     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8659
8660     return FALSE;
8661   }
8662 }
8663
8664 static void CopyCustomElementPropertiesToGame(int element)
8665 {
8666   int i;
8667   int access_type_and_layer;
8668
8669   // mark that this custom element has been modified
8670   custom_element.modified_settings = TRUE;
8671   level.changed = TRUE;
8672
8673   if (level.use_custom_template)
8674     AskToCopyAndModifyLevelTemplate();
8675
8676   element_info[element] = custom_element;
8677   *element_info[element].change = custom_element_change;
8678
8679   // ---------- element settings: configure (custom elements) -----------------
8680
8681   // set accessible property from checkbox and selectbox
8682   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8683   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8684   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8685   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8686   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8687   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8688   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8689                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8690                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8691   custom_element_properties[access_type_and_layer] =
8692     custom_element_properties[EP_ACCESSIBLE];
8693   custom_element_properties[EP_PROTECTED] =
8694     (custom_element.access_protected != 0 &&
8695      custom_element_properties[EP_ACCESSIBLE]);
8696
8697   // set walk-to-object property from checkbox and selectbox
8698   custom_element_properties[EP_DIGGABLE] = FALSE;
8699   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8700   custom_element_properties[EP_DROPPABLE] = FALSE;
8701   custom_element_properties[EP_THROWABLE] = FALSE;
8702   custom_element_properties[EP_PUSHABLE] = FALSE;
8703   custom_element_properties[custom_element.walk_to_action] =
8704     custom_element_properties[EP_WALK_TO_OBJECT];
8705
8706   // set smash property from checkbox and selectbox
8707   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8708   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8709   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8710   custom_element_properties[custom_element.smash_targets] =
8711     custom_element_properties[EP_CAN_SMASH];
8712
8713   // set deadliness property from checkbox and selectbox
8714   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8715   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8716   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8717   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8718   custom_element_properties[custom_element.deadliness] =
8719     custom_element_properties[EP_DEADLY];
8720
8721   // ---------- element settings: advanced (custom elements) ------------------
8722
8723   // set player change event from checkbox and selectbox
8724   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
8725   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8726   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8727   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8728   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8729   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8730   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8731   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8732   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8733   custom_element_change_events[CE_SWITCHED] = FALSE;
8734   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8735   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8736   custom_element_change_events[CE_BLOCKED] = FALSE;
8737   custom_element_change_events[CE_IMPACT] = FALSE;
8738   custom_element_change_events[CE_SMASHED] = FALSE;
8739   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8740   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8741   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8742   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8743   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
8744   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
8745   custom_element_change_events[custom_element_change.direct_action] =
8746     custom_element_change_events[CE_BY_DIRECT_ACTION];
8747
8748   // set other element action change event from checkbox and selectbox
8749   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
8750   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8751   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8752   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8753   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8754   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8755   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8756   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8757   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8758   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8759   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8760   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
8761   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8762   custom_element_change_events[CE_HITTING_X] = FALSE;
8763   custom_element_change_events[CE_DIGGING_X] = FALSE;
8764   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8765   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8766   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8767   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8768   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8769   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8770   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8771   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8772   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8773   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8774   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
8775   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
8776   custom_element_change_events[custom_element_change.other_action] =
8777     custom_element_change_events[CE_BY_OTHER_ACTION];
8778
8779   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8780     SET_PROPERTY(element, i, custom_element_properties[i]);
8781
8782   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8783     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8784
8785   // copy change events also to special level editor variable
8786   custom_element = element_info[element];
8787   custom_element_change = *element_info[element].change;
8788
8789   // needed here to restore runtime value "element_info[element].gfx_element"
8790   InitElementPropertiesGfxElement();
8791 }
8792
8793 static void CopyGroupElementPropertiesToGame(int element)
8794 {
8795   // mark that this group element has been modified
8796   custom_element.modified_settings = TRUE;
8797   level.changed = TRUE;
8798
8799   if (level.use_custom_template)
8800     AskToCopyAndModifyLevelTemplate();
8801
8802   element_info[element] = custom_element;
8803   *element_info[element].group = group_element_info;
8804
8805   // needed here to restore runtime value "element_info[element].gfx_element"
8806   InitElementPropertiesGfxElement();
8807 }
8808
8809 static void CopyEmptyElementPropertiesToGame(int element)
8810 {
8811   // mark that this empty element has been modified
8812   custom_element.modified_settings = TRUE;
8813   level.changed = TRUE;
8814
8815   if (level.use_custom_template)
8816     AskToCopyAndModifyLevelTemplate();
8817
8818   element_info[element] = custom_element;
8819
8820   // needed here to restore runtime value "element_info[element].gfx_element"
8821   InitElementPropertiesGfxElement();
8822 }
8823
8824 static void CopyClassicElementPropertiesToGame(int element)
8825 {
8826   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8827     setMoveIntoAcidProperty(&level, element,
8828                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8829
8830   if (MAYBE_DONT_COLLIDE_WITH(element))
8831     setDontCollideWithProperty(&level, element,
8832                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8833 }
8834
8835 static void CopyElementPropertiesToGame(int element)
8836 {
8837   if (IS_CUSTOM_ELEMENT(element))
8838     CopyCustomElementPropertiesToGame(element);
8839   else if (IS_GROUP_ELEMENT(element))
8840     CopyGroupElementPropertiesToGame(element);
8841   else if (IS_EMPTY_ELEMENT(element))
8842     CopyEmptyElementPropertiesToGame(element);
8843   else
8844     CopyClassicElementPropertiesToGame(element);
8845 }
8846
8847 #if DEBUG
8848 static void CheckElementDescriptions(void)
8849 {
8850   int i;
8851
8852   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8853     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8854       Warn("no element description file for element '%s'", EL_NAME(i));
8855 }
8856 #endif
8857
8858 static int getMaxEdFieldX(boolean has_scrollbar)
8859 {
8860   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8861   int sxsize = SXSIZE - scrollbar_width;
8862   int max_ed_fieldx = sxsize / ed_tilesize;
8863
8864   return max_ed_fieldx;
8865 }
8866
8867 static int getMaxEdFieldY(boolean has_scrollbar)
8868 {
8869   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8870                          INFOTEXT_YSIZE_FULL : 0);
8871   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8872   int sysize = SYSIZE - scrollbar_height - infotext_height;
8873   int max_ed_fieldy = sysize / ed_tilesize;
8874
8875   return max_ed_fieldy;
8876 }
8877
8878 static void InitZoomLevelSettings(int zoom_tilesize)
8879 {
8880   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8881
8882   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8883   {
8884     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8885     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8886
8887     // make sure that tile size is always a power of 2
8888     ed_tilesize = (1 << log_2(ed_tilesize));
8889
8890     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8891     {
8892       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8893       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8894     }
8895   }
8896
8897   last_game_engine_type = level.game_engine_type;
8898
8899   // limit zoom tilesize by upper and lower bound
8900   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8901
8902   // store zoom tilesize in auto setup file only if it was manually changed
8903   if (zoom_tilesize != -1)
8904     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8905
8906   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8907   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8908 }
8909
8910 static void InitDrawingElements(void)
8911 {
8912   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8913
8914   if (level.game_engine_type == game_engine_type_last)
8915     return;
8916
8917   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
8918   {
8919     new_element1 = EL_BD_WALL;
8920     new_element2 = EL_EMPTY;
8921     new_element3 = EL_BD_SAND;
8922   }
8923   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8924   {
8925     new_element1 = EL_SP_CHIP_SINGLE;
8926     new_element2 = EL_EMPTY;
8927     new_element3 = EL_SP_BASE;
8928   }
8929   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8930   {
8931     new_element1 = EL_MM_MIRROR_START;
8932     new_element2 = EL_EMPTY;
8933     new_element3 = EL_MM_WOODEN_WALL;
8934   }
8935   else
8936   {
8937     new_element1 = EL_WALL;
8938     new_element2 = EL_EMPTY;
8939     new_element3 = EL_SAND;
8940   }
8941
8942   game_engine_type_last = level.game_engine_type;
8943 }
8944
8945 static void InitLevelSetInfo(void)
8946 {
8947   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8948            "%s", leveldir_current->name);
8949   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8950            "%s", leveldir_current->author);
8951
8952   levelset_num_levels = leveldir_current->levels;
8953
8954   levelset_use_levelset_artwork = FALSE;
8955   levelset_copy_level_template = FALSE;
8956
8957   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8958 }
8959
8960 static void ChangeEditorToLevelSet(char *levelset_subdir)
8961 {
8962   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8963
8964   // the previous level set might have used custom artwork
8965   ReloadCustomArtwork(0);
8966
8967   LoadLevelSetup_SeriesInfo();
8968
8969   SaveLevelSetup_LastSeries();
8970   SaveLevelSetup_SeriesInfo();
8971
8972   TapeErase();
8973
8974   LoadLevel(level_nr);
8975   LoadScore(level_nr);
8976
8977   DrawLevelEd();
8978 }
8979
8980 static boolean useEditorDoorAnimation(void)
8981 {
8982   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8983   boolean door_1_viewport_unchanged =
8984     (vp_door_1->x      == DX     &&
8985      vp_door_1->y      == DY     &&
8986      vp_door_1->width  == DXSIZE &&
8987      vp_door_1->height == DYSIZE);
8988   boolean door_1_contains_toolbox =
8989     (EX >= DX &&
8990      EY >= DY &&
8991      EX + EXSIZE <= DX + DXSIZE &&
8992      EY + EYSIZE <= DY + DYSIZE);
8993
8994   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8995 }
8996
8997 static void DrawEditorDoorBackground(int graphic, int x, int y,
8998                                      int width, int height)
8999 {
9000   struct GraphicInfo *g = &graphic_info[graphic];
9001
9002   if (g->bitmap != NULL)
9003     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
9004                MIN(width, g->width), MIN(height, g->height), x, y);
9005   else
9006     ClearRectangle(drawto, x, y, width, height);
9007 }
9008
9009 static void DrawEditorDoorContent(void)
9010 {
9011   // needed for gadgets drawn on background (like palette scrollbar)
9012   SetDoorBackgroundImage(IMG_UNDEFINED);
9013
9014   // copy default editor door content to main double buffer
9015   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
9016
9017   // draw bigger door
9018   DrawSpecialEditorDoor();
9019
9020   // draw new control window
9021   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
9022
9023   // draw all toolbox gadgets to editor doors
9024   MapControlButtons();
9025
9026   // when returning from test game to properties page, redraw toolbox gadgets
9027   if (edit_mode == ED_MODE_PROPERTIES)
9028   {
9029     UnmapLevelEditorToolboxDrawingGadgets();
9030     UnmapLevelEditorToolboxCustomGadgets();
9031
9032     MapLevelEditorToolboxCustomGadgetsIfNeeded();
9033   }
9034
9035   // draw all palette gadgets to editor doors
9036   ModifyEditorElementList();
9037   RedrawDrawingElements();
9038
9039   // copy actual editor door content to door double buffer for OpenDoor()
9040   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
9041 }
9042
9043 void DrawLevelEd(void)
9044 {
9045   int fade_mask = REDRAW_FIELD;
9046
9047   FadeSoundsAndMusic();
9048
9049   if (CheckFadeAll())
9050     fade_mask = REDRAW_ALL;
9051
9052   FadeOut(fade_mask);
9053
9054   // needed if different viewport properties defined for editor
9055   ChangeViewportPropertiesIfNeeded();
9056
9057   ClearField();
9058
9059   InitZoomLevelSettings(-1);
9060   InitDrawingElements();
9061   InitLevelSetInfo();
9062
9063 #if DEBUG
9064   CheckElementDescriptions();
9065 #endif
9066
9067   if (level_editor_test_game)
9068   {
9069     CopyPlayfield(level.field, Tile);
9070     CopyPlayfield(TileBackup, level.field);
9071
9072     level_editor_test_game = FALSE;
9073   }
9074   else
9075   {
9076     edit_mode = ED_MODE_DRAWING;
9077     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
9078     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
9079
9080     ResetUndoBuffer();
9081
9082     level_xpos = -1;
9083     level_ypos = -1;
9084   }
9085
9086   // redraw_mask |= REDRAW_ALL;
9087
9088   FreeLevelEditorGadgets();
9089   CreateLevelEditorGadgets();
9090
9091   ReinitializeElementList();            // update dynamic level element list
9092   ReinitializeElementListButtons();     // custom element may look different
9093
9094   InitElementPropertiesGfxElement();
9095
9096   UnmapAllGadgets();
9097
9098   DrawEditModeWindow_PlayfieldOnly();
9099
9100   DrawMaskedBorder(fade_mask);
9101
9102   // use door animation if door 1 viewport is unchanged and contains toolbox
9103   if (useEditorDoorAnimation())
9104   {
9105     FadeIn(fade_mask);
9106
9107     DrawEditorDoorContent();
9108
9109     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
9110   }
9111   else
9112   {
9113     DrawEditorDoorContent();
9114
9115     FadeIn(fade_mask);
9116   }
9117
9118   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
9119 }
9120
9121 static void AdjustDrawingAreaGadgets(void)
9122 {
9123   int ed_xsize = lev_fieldx + 2;
9124   int ed_ysize = lev_fieldy + 2;
9125   int max_ed_fieldx = MAX_ED_FIELDX;
9126   int max_ed_fieldy = MAX_ED_FIELDY;
9127   boolean horizontal_scrollbar_needed;
9128   boolean vertical_scrollbar_needed;
9129   int x, y, width, height;
9130
9131   if (suppressBorderElement())
9132   {
9133     ed_xsize = lev_fieldx;
9134     ed_ysize = lev_fieldy;
9135   }
9136
9137   // check if we need any scrollbars
9138   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9139   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9140
9141   // check if we have a smaller editor field because of scrollbars
9142   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9143   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9144
9145   // check again if we now need more scrollbars because of less space
9146   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9147   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9148
9149   // check if editor field gets even smaller after adding new scrollbars
9150   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9151   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9152
9153   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
9154   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
9155
9156   x = SX + ed_fieldx * ed_tilesize;
9157   y = SY + ed_fieldy * ed_tilesize;
9158
9159   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
9160   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
9161
9162   // adjust drawing area gadget
9163   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
9164                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
9165                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
9166                GDI_END);
9167
9168   // adjust horizontal scrollbar gadgets
9169   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
9170                GDI_Y, y,
9171                GDI_END);
9172   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
9173                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
9174                GDI_Y, y,
9175                GDI_END);
9176   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
9177                GDI_Y, y,
9178                GDI_WIDTH, width,
9179                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
9180                GDI_END);
9181
9182   // adjust vertical scrollbar gadgets
9183   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
9184                GDI_X, x,
9185                GDI_END);
9186   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
9187                GDI_X, x,
9188                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
9189                GDI_END);
9190   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
9191                GDI_X, x,
9192                GDI_HEIGHT, height,
9193                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
9194                GDI_END);
9195 }
9196
9197 static void AdjustLevelScrollPosition(void)
9198 {
9199   if (level_xpos < -1)
9200     level_xpos = -1;
9201   if (level_xpos > lev_fieldx - ed_fieldx + 1)
9202     level_xpos = lev_fieldx - ed_fieldx + 1;
9203   if (lev_fieldx < ed_fieldx - 2)
9204     level_xpos = -1;
9205
9206   if (level_ypos < -1)
9207     level_ypos = -1;
9208   if (level_ypos > lev_fieldy - ed_fieldy + 1)
9209     level_ypos = lev_fieldy - ed_fieldy + 1;
9210   if (lev_fieldy < ed_fieldy - 2)
9211     level_ypos = -1;
9212
9213   if (suppressBorderElement())
9214   {
9215     level_xpos = 0;
9216     level_ypos = 0;
9217   }
9218 }
9219
9220 static void AdjustEditorScrollbar(int id)
9221 {
9222   struct GadgetInfo *gi = level_editor_gadget[id];
9223   int items_max, items_visible, item_position;
9224
9225   if (id == GADGET_ID_SCROLL_HORIZONTAL)
9226   {
9227     items_max = MAX(lev_fieldx + 2, ed_fieldx);
9228     items_visible = ed_fieldx;
9229     item_position = level_xpos + 1;
9230   }
9231   else
9232   {
9233     items_max = MAX(lev_fieldy + 2, ed_fieldy);
9234     items_visible = ed_fieldy;
9235     item_position = level_ypos + 1;
9236   }
9237
9238   if (item_position > items_max - items_visible)
9239     item_position = items_max - items_visible;
9240
9241   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9242                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9243 }
9244
9245 static void AdjustElementListScrollbar(void)
9246 {
9247   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
9248   int items_max, items_visible, item_position;
9249
9250   // correct position of element list scrollbar
9251   if (element_shift < 0)
9252     element_shift = 0;
9253   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
9254     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
9255
9256   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
9257   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
9258   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
9259
9260   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9261                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9262                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9263 }
9264
9265 static void ModifyEditorCounterValue(int counter_id, int new_value)
9266 {
9267   int *counter_value = counterbutton_info[counter_id].value;
9268   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9269   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9270
9271   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
9272
9273   if (counter_value != NULL)
9274     *counter_value = gi->textinput.number_value;
9275 }
9276
9277 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
9278 {
9279   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9280   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9281
9282   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
9283
9284   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
9285       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
9286   {
9287     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
9288     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
9289
9290     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
9291     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
9292                  GDI_END);
9293   }
9294 }
9295
9296 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
9297 {
9298   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9299   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9300   int new_index_value = setSelectboxValue(selectbox_id, new_value);
9301
9302   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
9303 }
9304
9305 static void ModifyEditorSelectboxOptions(int selectbox_id,
9306                                          struct ValueTextInfo *options)
9307 {
9308   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9309   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9310
9311   selectbox_info[selectbox_id].options = options;
9312
9313   // set index to zero -- list may be shorter now (correct later, if needed)
9314   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
9315                GDI_SELECTBOX_OPTIONS, options, GDI_END);
9316 }
9317
9318 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
9319 {
9320   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
9321   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9322
9323   drawingarea_info[drawingarea_id].area_xsize = xsize;
9324   drawingarea_info[drawingarea_id].area_ysize = ysize;
9325
9326   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
9327 }
9328
9329 static void ModifyEditorElementList(void)
9330 {
9331   int i;
9332
9333   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
9334     return;
9335
9336   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9337   {
9338     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
9339     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9340     struct GadgetDesign *gd = &gi->deco.design;
9341     int element = editor_elements[element_shift + i];
9342     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
9343
9344     UnmapGadget(gi);
9345
9346     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
9347
9348     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
9349
9350     MapGadget(gi);
9351   }
9352 }
9353
9354 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
9355 {
9356   int graphic = el2edimg(element);
9357   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
9358
9359   if (pos->x == -1 &&
9360       pos->y == -1)
9361     return;
9362
9363   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
9364 }
9365
9366 static void ModifyDrawingElementButton(int element, int id)
9367 {
9368   struct GadgetInfo *gi = level_editor_gadget[id];
9369   Bitmap *deco_bitmap;
9370   int deco_x, deco_y;
9371   int tile_size = gi->deco.width;
9372
9373   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
9374
9375   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
9376 }
9377
9378 static void PickDrawingElement(int button, int element)
9379 {
9380   struct
9381   {
9382     int *new_element;
9383     struct XYTileSize *pos;
9384     int id;
9385   } de, drawing_elements[] =
9386   {
9387     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
9388     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
9389     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
9390   };
9391
9392   if (button < 1 || button > 3)
9393     return;
9394
9395   if (IS_MM_WALL(element))
9396     element = map_mm_wall_element(element);
9397
9398   de = drawing_elements[button - 1];
9399
9400   *de.new_element = element;    // update global drawing element variable
9401
9402   DrawDrawingElementGraphic(element, de.pos);
9403   ModifyDrawingElementButton(element, de.id);
9404
9405   redraw_mask |= REDRAW_DOOR_1;
9406 }
9407
9408 static void RedrawDrawingElements(void)
9409 {
9410   PickDrawingElement(1, new_element1);
9411   PickDrawingElement(2, new_element2);
9412   PickDrawingElement(3, new_element3);
9413 }
9414
9415 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
9416 {
9417   stick_element_properties_window = FALSE;
9418
9419   SetMainBackgroundImage(IMG_UNDEFINED);
9420   ClearField();
9421
9422   UnmapLevelEditorFieldGadgets();
9423
9424   AdjustDrawingAreaGadgets();
9425   AdjustLevelScrollPosition();
9426   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
9427   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
9428
9429   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
9430
9431   MapMainDrawingArea();
9432
9433   if (remap_toolbox_gadgets)
9434   {
9435     UnmapLevelEditorToolboxCustomGadgets();
9436     MapLevelEditorToolboxDrawingGadgets();
9437   }
9438 }
9439
9440 static void DrawDrawingWindow(void)
9441 {
9442   DrawDrawingWindowExt(TRUE);
9443 }
9444
9445 static int getTabulatorBarWidth(void)
9446 {
9447   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9448   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
9449
9450   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
9451 }
9452
9453 static int getTabulatorBarHeight(void)
9454 {
9455   return ED_TAB_BAR_HEIGHT;
9456 }
9457
9458 static Pixel getTabulatorBarColor(void)
9459 {
9460   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
9461   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9462   int gd_x = gd->x + gd_gi1->border.width / 2;
9463   int gd_y = gd->y + gd_gi1->height - 1;
9464
9465   return GetPixel(gd->bitmap, gd_x, gd_y);
9466 }
9467
9468 static void DrawLevelConfigTabulatorGadgets(void)
9469 {
9470   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
9471   Pixel tab_color = getTabulatorBarColor();
9472   int id_first = ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST;
9473   int id_last  = ED_TAB_BUTTON_ID_LEVELCONFIG_LAST;
9474   int i;
9475
9476   for (i = id_first; i <= id_last; i++)
9477   {
9478     int gadget_id = textbutton_info[i].gadget_id;
9479     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9480     boolean active = (i != edit_mode_levelconfig);
9481
9482     // draw background line below tabulator button
9483     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9484
9485     // draw solid line below inactive tabulator buttons
9486     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9487       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9488                     ED_GADGET_TINY_DISTANCE, tab_color);
9489
9490     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9491     MapTextbuttonGadget(i);
9492   }
9493
9494   // draw little border line below tabulator buttons
9495   if (tab_color != BLACK_PIXEL)                 // black => transparent
9496     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9497                   ED_GADGET_TINY_DISTANCE,
9498                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9499 }
9500
9501 static void DrawPropertiesTabulatorGadgets(void)
9502 {
9503   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9504   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9505   int gd_x = gd->x + gd_gi1->border.width / 2;
9506   int gd_y = gd->y + gd_gi1->height - 1;
9507   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9508   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9509   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9510   int i;
9511
9512   // draw two config tabulators for player elements
9513   if (IS_PLAYER_ELEMENT(properties_element))
9514     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9515
9516   // draw two config and one "change" tabulator for custom elements
9517   if (IS_CUSTOM_ELEMENT(properties_element))
9518     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9519
9520   for (i = id_first; i <= id_last; i++)
9521   {
9522     int gadget_id = textbutton_info[i].gadget_id;
9523     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9524     boolean active = (i != edit_mode_properties);
9525
9526     // use "config 1" and "config 2" instead of "config" for players and CEs
9527     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9528         (IS_PLAYER_ELEMENT(properties_element) ||
9529          IS_CUSTOM_ELEMENT(properties_element)))
9530       continue;
9531
9532     // draw background line below tabulator button
9533     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9534
9535     // draw solid line below inactive tabulator buttons
9536     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9537       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9538                     ED_GADGET_TINY_DISTANCE, tab_color);
9539
9540     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9541     MapTextbuttonGadget(i);
9542   }
9543
9544   // draw little border line below tabulator buttons
9545   if (tab_color != BLACK_PIXEL)                 // black => transparent
9546     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9547                   ED_GADGET_TINY_DISTANCE,
9548                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9549 }
9550
9551 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9552 {
9553   DrawText(SX + xpos, SY + ypos, text, font_nr);
9554 }
9555
9556 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9557                                            int xpos, int ypos)
9558 {
9559   int font_width = getFontWidth(font_nr);
9560   int font_height = getFontHeight(font_nr);
9561   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9562   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9563
9564   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9565                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9566                       TRUE, FALSE, FALSE);
9567 }
9568
9569 static void DrawLevelConfigLevel(void)
9570 {
9571   int i;
9572
9573   // draw counter gadgets
9574   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9575     MapCounterButtons(i);
9576
9577   // draw checkbutton gadgets
9578   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9579     MapCheckbuttonGadget(i);
9580
9581   // draw selectbox gadgets
9582   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9583     MapSelectboxGadget(i);
9584
9585   // draw text input gadgets
9586   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9587     MapTextInputGadget(i);
9588 }
9589
9590 static char *getLevelSubdirFromSaveMode(int save_mode)
9591 {
9592   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9593     return getNewUserLevelSubdir();
9594
9595   return leveldir_current->subdir;
9596 }
9597
9598 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
9599 {
9600   char *directory_text = "Level set directory:";
9601   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9602   int font1_nr = FONT_TEXT_1;
9603   int font2_nr = FONT_TEXT_2;
9604   int font1_height = getFontHeight(font1_nr);
9605   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9606   int x = ED_LEVEL_SETTINGS_X(0);
9607   int y = ED_LEVEL_SETTINGS_Y(6);
9608
9609   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9610   PrintInfoText(directory_name, font2_nr, x, y);
9611 }
9612
9613 static void DrawLevelConfigLevelSet(void)
9614 {
9615   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9616   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9617   int i;
9618
9619   // draw counter gadgets
9620   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9621     MapCounterButtons(i);
9622
9623   // draw checkbutton gadgets
9624   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9625   {
9626     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9627         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9628         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9629       continue;
9630
9631     MapCheckbuttonGadget(i);
9632   }
9633
9634   // draw selectbox gadgets
9635   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9636     MapSelectboxGadget(i);
9637
9638   // draw text input gadgets
9639   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9640     MapTextInputGadget(i);
9641
9642   // draw textbutton gadgets
9643   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9644
9645   // draw info text
9646   DrawLevelConfigLevelSet_DirectoryInfo();
9647 }
9648
9649 static void DrawLevelConfigEditor(void)
9650 {
9651   int i;
9652
9653   // draw counter gadgets
9654   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9655     MapCounterButtons(i);
9656
9657   // draw checkbutton gadgets
9658   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9659     MapCheckbuttonGadget(i);
9660
9661   // draw radiobutton gadgets
9662   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9663     MapRadiobuttonGadget(i);
9664
9665   // draw drawing area
9666   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9667
9668   // draw textbutton gadgets
9669   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9670 }
9671
9672 static void DrawLevelConfigWindow(void)
9673 {
9674   char *text = "Global Settings";
9675   int font_nr = FONT_TITLE_1;
9676   struct MenuPosInfo *pos = &editor.settings.headline;
9677   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9678   int sy = SY + pos->y;
9679
9680   stick_element_properties_window = FALSE;
9681
9682   SetAutomaticNumberOfGemsNeeded();
9683
9684   UnmapLevelEditorFieldGadgets();
9685
9686   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9687   ClearField();
9688
9689   DrawText(sx, sy, text, font_nr);
9690
9691   DrawLevelConfigTabulatorGadgets();
9692
9693   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
9694     DrawLevelConfigLevel();
9695   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
9696     DrawLevelConfigLevelSet();
9697   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
9698     DrawLevelConfigEditor();
9699 }
9700
9701 static void DrawCustomContentArea(void)
9702 {
9703   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9704   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9705   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9706   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9707   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9708   int xoffset = ED_GADGET_SPACE_DISTANCE;
9709
9710   // add distance for potential left text (without drawing area border)
9711   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9712
9713   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9714
9715   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9716 }
9717
9718 static void DrawCustomChangeContentArea(void)
9719 {
9720   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9721   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9722   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9723   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9724   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9725   int xoffset = ED_GADGET_SPACE_DISTANCE;
9726
9727   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9728
9729   MapDrawingArea(id);
9730 }
9731
9732 static void RemoveElementContentArea(int id, int font_height)
9733 {
9734   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9735
9736   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9737                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9738                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9739                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9740                  ED_GADGET_TEXT_DISTANCE + font_height);
9741 }
9742
9743 static void DrawYamYamContentAreas(void)
9744 {
9745   int font_nr = FONT_TEXT_1;
9746   int font_height = getFontHeight(font_nr);
9747   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9748   int yoffset = (tilesize - font_height) / 2;
9749   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9750   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9751   int i;
9752
9753   // display counter to choose number of element content areas
9754   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9755
9756   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9757   {
9758     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9759
9760     if (i < level.num_yamyam_contents)
9761     {
9762       MapDrawingArea(id);
9763     }
9764     else
9765     {
9766       UnmapDrawingArea(id);
9767
9768       // delete content areas in case of reducing number of them
9769       RemoveElementContentArea(id, font_height);
9770     }
9771   }
9772
9773   DrawText(x, y + 0 * tilesize, "content", font_nr);
9774   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9775   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9776 }
9777
9778 static void DrawMagicBallContentAreas(void)
9779 {
9780   int font_nr = FONT_TEXT_1;
9781   int font_height = getFontHeight(font_nr);
9782   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9783   int yoffset = (tilesize - font_height) / 2;
9784   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9785   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9786   int i;
9787
9788   // display counter to choose number of element content areas
9789   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9790
9791   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9792   {
9793     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9794
9795     if (i < level.num_ball_contents)
9796     {
9797       MapDrawingArea(id);
9798     }
9799     else
9800     {
9801       UnmapDrawingArea(id);
9802
9803       // delete content areas in case of reducing number of them
9804       RemoveElementContentArea(id, font_height);
9805     }
9806   }
9807
9808   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9809   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9810   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9811 }
9812
9813 static void DrawAndroidElementArea(void)
9814 {
9815   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9816   int num_elements = level.num_android_clone_elements;
9817   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9818   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9819   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9820   int xsize = MAX_ANDROID_ELEMENTS;
9821   int ysize = 1;
9822
9823   // display counter to choose number of element areas
9824   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9825
9826   if (drawingarea_info[id].text_left != NULL)
9827     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9828
9829   UnmapDrawingArea(id);
9830
9831   ModifyEditorDrawingArea(id, num_elements, 1);
9832
9833   // delete content areas in case of reducing number of them
9834   DrawBackground(sx, sy,
9835                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9836                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9837
9838   MapDrawingArea(id);
9839 }
9840
9841 static void DrawGroupElementArea(void)
9842 {
9843   int id = ED_DRAWING_ID_GROUP_CONTENT;
9844   int num_elements = group_element_info.num_elements;
9845   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9846   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9847   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9848   int xsize = MAX_ELEMENTS_IN_GROUP;
9849   int ysize = 1;
9850
9851   if (drawingarea_info[id].text_left != NULL)
9852     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9853
9854   UnmapDrawingArea(id);
9855
9856   ModifyEditorDrawingArea(id, num_elements, 1);
9857
9858   // delete content areas in case of reducing number of them
9859   DrawBackground(sx, sy,
9860                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9861                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9862
9863   MapDrawingArea(id);
9864 }
9865
9866 static void DrawPlayerInitialInventoryArea(int element)
9867 {
9868   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9869   int player_nr = GET_PLAYER_NR(element);
9870   int num_elements = level.initial_inventory_size[player_nr];
9871   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9872   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9873   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9874   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9875   int ysize = 1;
9876
9877   // determine horizontal position to the right of specified gadget
9878   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9879     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9880           ED_DRAWINGAREA_TEXT_DISTANCE);
9881
9882   // determine horizontal offset for leading text
9883   if (drawingarea_info[id].text_left != NULL)
9884     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9885
9886   UnmapDrawingArea(id);
9887
9888   ModifyEditorDrawingArea(id, num_elements, 1);
9889
9890   // delete content areas in case of reducing number of them
9891   DrawBackground(sx, sy,
9892                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9893                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9894
9895   MapDrawingArea(id);
9896 }
9897
9898 static void DrawMMBallContentArea(void)
9899 {
9900   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
9901   int num_elements = level.num_mm_ball_contents;
9902   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9903   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9904   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9905   int xsize = MAX_MM_BALL_CONTENTS;
9906   int ysize = 1;
9907
9908   if (drawingarea_info[id].text_left != NULL)
9909     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9910
9911   UnmapDrawingArea(id);
9912
9913   ModifyEditorDrawingArea(id, num_elements, 1);
9914
9915   // delete content areas in case of reducing number of them
9916   DrawBackground(sx, sy,
9917                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9918                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9919
9920   MapDrawingArea(id);
9921 }
9922
9923 static void DrawEnvelopeTextArea(int envelope_nr)
9924 {
9925   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9926   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9927
9928   UnmapGadget(gi);
9929
9930   DrawBackground(gi->x, gi->y,
9931                  gi->textarea.crop_width, gi->textarea.crop_height);
9932
9933   if (envelope_nr != -1)
9934     textarea_info[id].value = level.envelope[envelope_nr].text;
9935
9936   ModifyGadget(gi, GDI_AREA_SIZE,
9937                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9938                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9939                GDI_END);
9940
9941   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9942 }
9943
9944 static void DrawPropertiesInfo(void)
9945 {
9946   static struct
9947   {
9948     int value;
9949     char *text;
9950   }
9951   properties[] =
9952   {
9953     // configurable properties
9954
9955     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9956     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9957     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9958     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9959     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9960     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9961     { EP_PROTECTED,             "- player is protected by it"           },
9962
9963     { EP_DIGGABLE,              "- can be digged away"                  },
9964     { EP_COLLECTIBLE,           "- can be collected"                    },
9965     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9966     { EP_THROWABLE,             "- can be thrown after collecting"      },
9967     { EP_PUSHABLE,              "- can be pushed"                       },
9968
9969     { EP_CAN_FALL,              "- can fall"                            },
9970     { EP_CAN_MOVE,              "- can move"                            },
9971
9972     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9973 #if 0
9974     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9975 #endif
9976     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9977
9978     { EP_SLIPPERY,              "- slippery for falling elements"       },
9979     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9980
9981     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9982     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9983     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9984     { EP_DONT_TOUCH,            "- deadly when touching"                },
9985
9986     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9987
9988     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9989     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9990     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9991
9992     { EP_CAN_CHANGE,            "- can change to other element"         },
9993
9994     // pre-defined properties
9995     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9996     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9997     { EP_SWITCHABLE,            "- can be switched"                     },
9998 #if 0
9999     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
10000 #endif
10001
10002     { -1,                       NULL                                    }
10003   };
10004   char *filename = getElementDescriptionFilename(properties_element);
10005   char *num_elements_text = "In this level: ";
10006   char *num_similar_text = "Similar tiles: ";
10007   char *properties_text = "Standard properties: ";
10008   char *description_text = "Description:";
10009   char *no_description_text = "No description available.";
10010   char *none_text = "None";
10011   float percentage;
10012   int num_elements_in_level = 0;
10013   int num_similar_in_level = 0;
10014   int num_hires_tiles_in_level = 0;
10015   int num_standard_properties = 0;
10016   int font1_nr = FONT_TEXT_1;
10017   int font2_nr = FONT_TEXT_2;
10018   int font1_width = getFontWidth(font1_nr);
10019   int font1_height = getFontHeight(font1_nr);
10020   int font2_height = getFontHeight(font2_nr);
10021   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
10022   int font2_yoffset = (font1_height - font2_height) / 2;
10023   int num_elements_text_len = strlen(num_elements_text) * font1_width;
10024   int num_similar_text_len = strlen(num_similar_text) * font1_width;
10025   int properties_text_len = strlen(properties_text) * font1_width;
10026   int xpos = ED_ELEMENT_SETTINGS_X(0);
10027   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10028   int i, x, y;
10029
10030   if (setup.editor.show_element_token)
10031   {
10032     int font3_nr = FONT_TEXT_3;
10033     int font3_height = getFontHeight(font3_nr);
10034
10035     DrawTextF(xpos, ypos, font3_nr,
10036               "[%s]", element_info[properties_element].token_name);
10037
10038     ypos += 2 * font3_height;
10039   }
10040
10041   // ----- print number of elements / percentage of this element in level
10042
10043   for (y = 0; y < lev_fieldy; y++)
10044   {
10045     for (x = 0; x < lev_fieldx; x++)
10046     {
10047       if (Tile[x][y] == properties_element)
10048       {
10049         num_elements_in_level++;
10050       }
10051       else if (IS_MM_WALL(Tile[x][y]) &&
10052                map_mm_wall_element(Tile[x][y]) == properties_element)
10053       {
10054         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
10055       }
10056     }
10057   }
10058
10059   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10060
10061   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
10062
10063   if (num_hires_tiles_in_level > 0)
10064     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10065               "%d wall tiles", num_hires_tiles_in_level);
10066   else if (num_elements_in_level > 0)
10067     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10068               "%d (%.2f %%)", num_elements_in_level, percentage);
10069   else
10070     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10071               none_text);
10072
10073   // ----- print number of similar elements / percentage of them in level
10074
10075   for (y = 0; y < lev_fieldy; y++)
10076   {
10077     for (x = 0; x < lev_fieldx; x++)
10078     {
10079       if (strEqual(element_info[Tile[x][y]].class_name,
10080                    element_info[properties_element].class_name))
10081       {
10082         num_similar_in_level++;
10083       }
10084     }
10085   }
10086
10087   if (num_similar_in_level != num_elements_in_level)
10088   {
10089     ypos += 1 * MAX(font1_height, font2_height);
10090
10091     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10092
10093     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
10094
10095     if (num_similar_in_level > 0)
10096       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10097                 "%d (%.2f %%)", num_similar_in_level, percentage);
10098     else
10099       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10100                 none_text);
10101   }
10102
10103   ypos += 2 * MAX(font1_height, font2_height);
10104
10105   // ----- print standard properties of this element
10106
10107   DrawTextS(xpos, ypos, font1_nr, properties_text);
10108
10109   ypos += line1_height;
10110
10111   for (i = 0; properties[i].value != -1; i++)
10112   {
10113     if (!HAS_PROPERTY(properties_element, properties[i].value))
10114       continue;
10115
10116     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
10117
10118     ypos += font2_height;
10119
10120     num_standard_properties++;
10121   }
10122
10123   if (num_standard_properties == 0)
10124   {
10125     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
10126               font2_nr, none_text);
10127
10128     ypos -= (line1_height - font1_height);
10129   }
10130
10131   ypos += MAX(font1_height, font2_height);
10132
10133   // ----- print special description of this element
10134
10135   PrintInfoText(description_text, font1_nr, xpos, ypos);
10136
10137   ypos += line1_height;
10138
10139   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
10140     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
10141 }
10142
10143 #define TEXT_COLLECTING         "Score for collecting"
10144 #define TEXT_SMASHING           "Score for smashing"
10145 #define TEXT_SLURPING           "Score for slurping robot"
10146 #define TEXT_CRACKING           "Score for cracking"
10147 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
10148 #define TEXT_DURATION           "Duration when activated"
10149 #define TEXT_DELAY_ON           "Delay before activating"
10150 #define TEXT_DELAY_OFF          "Delay before deactivating"
10151 #define TEXT_DELAY_CHANGING     "Delay before changing"
10152 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
10153 #define TEXT_DELAY_MOVING       "Delay before moving"
10154 #define TEXT_BALL_DELAY         "Element generation delay"
10155 #define TEXT_MOVE_SPEED         "Speed of android moving"
10156 #define TEXT_CLONE_SPEED        "Speed of android cloning"
10157 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
10158 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
10159 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
10160 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
10161 #define TEXT_TIME_BONUS         "Extra time to solve level"
10162
10163 static struct
10164 {
10165   int element;
10166   int *value;
10167   char *text;
10168 } elements_with_counter[] =
10169 {
10170   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
10171   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
10172   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
10173   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
10174   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
10175   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
10176   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
10177   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
10178   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
10179   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
10180   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
10181   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
10182   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
10183   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
10184   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
10185   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
10186   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
10187   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
10188   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
10189   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
10190   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10191   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10192   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10193   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10194   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10195   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10196   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10197   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10198   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10199   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10200   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10201   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
10202   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
10203   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
10204   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
10205   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
10206   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
10207   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
10208   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
10209   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
10210   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
10211   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
10212   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
10213   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
10214   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
10215   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
10216   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE], TEXT_COLLECTING },
10217   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE], TEXT_COLLECTING },
10218   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE], TEXT_COLLECTING },
10219   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
10220   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
10221   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
10222   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
10223   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
10224   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
10225   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
10226   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
10227   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
10228   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
10229   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
10230   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
10231   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
10232   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
10233   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
10234   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
10235   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
10236   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
10237   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
10238   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
10239   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
10240   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
10241   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
10242   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
10243   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
10244   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
10245   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
10246   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
10247   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
10248   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
10249   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
10250   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
10251   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
10252   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
10253
10254   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
10255   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
10256   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
10257   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
10258   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
10259   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
10260   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
10261   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
10262   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
10263   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
10264   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
10265   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
10266   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
10267   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
10268   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
10269   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
10270
10271   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
10272   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
10273   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
10274   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
10275   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
10276   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
10277   { EL_SPRING_LEFT,     &level.slurp_score,             TEXT_SLURPING   },
10278   { EL_SPRING_RIGHT,    &level.slurp_score,             TEXT_SLURPING   },
10279   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
10280   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
10281   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
10282   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
10283   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_CHANGING },
10284   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
10285   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
10286
10287   { -1,                 NULL,                           NULL            }
10288 };
10289
10290 static boolean checkPropertiesConfig(int element)
10291 {
10292   int i;
10293
10294   if (IS_GEM(element) ||
10295       IS_CUSTOM_ELEMENT(element) ||
10296       IS_GROUP_ELEMENT(element) ||
10297       IS_EMPTY_ELEMENT(element) ||
10298       IS_BALLOON_ELEMENT(element) ||
10299       IS_ENVELOPE(element) ||
10300       IS_MM_ENVELOPE(element) ||
10301       IS_MM_MCDUFFIN(element) ||
10302       IS_DF_LASER(element) ||
10303       IS_PLAYER_ELEMENT(element) ||
10304       HAS_EDITOR_CONTENT(element) ||
10305       CAN_GROW(element) ||
10306       COULD_MOVE_INTO_ACID(element) ||
10307       MAYBE_DONT_COLLIDE_WITH(element) ||
10308       element == EL_SOKOBAN_OBJECT ||
10309       element == EL_SOKOBAN_FIELD_EMPTY ||
10310       element == EL_SOKOBAN_FIELD_FULL)
10311     return TRUE;
10312   else
10313     for (i = 0; elements_with_counter[i].element != -1; i++)
10314       if (elements_with_counter[i].element == element)
10315         return TRUE;
10316
10317   return FALSE;
10318 }
10319
10320 static void SetAutomaticNumberOfGemsNeeded(void)
10321 {
10322   int x, y;
10323
10324   if (!level.auto_count_gems)
10325     return;
10326
10327   level.gems_needed = 0;
10328
10329   for (x = 0; x < lev_fieldx; x++)
10330   {
10331     for (y = 0; y < lev_fieldy; y++)
10332     {
10333       int element = Tile[x][y];
10334
10335       switch (element)
10336       {
10337         case EL_EMERALD:
10338         case EL_EMERALD_YELLOW:
10339         case EL_EMERALD_RED:
10340         case EL_EMERALD_PURPLE:
10341         case EL_BD_DIAMOND:
10342         case EL_WALL_EMERALD:
10343         case EL_WALL_EMERALD_YELLOW:
10344         case EL_WALL_EMERALD_RED:
10345         case EL_WALL_EMERALD_PURPLE:
10346         case EL_WALL_BD_DIAMOND:
10347         case EL_NUT:
10348         case EL_SP_INFOTRON:
10349         case EL_MM_KETTLE:
10350         case EL_DF_CELL:
10351           level.gems_needed++;
10352           break;
10353
10354         case EL_DIAMOND:
10355         case EL_WALL_DIAMOND:
10356           level.gems_needed += 3;
10357           break;
10358
10359         case EL_PEARL:
10360         case EL_WALL_PEARL:
10361           level.gems_needed += 5;
10362           break;
10363
10364         case EL_CRYSTAL:
10365         case EL_WALL_CRYSTAL:
10366           level.gems_needed += 8;
10367           break;
10368
10369         default:
10370           break;
10371       }
10372     }
10373   }
10374
10375   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
10376 }
10377
10378 static void DrawPropertiesConfig(void)
10379 {
10380   boolean draw_footer_line = FALSE;
10381   int max_num_element_counters = 4;
10382   int num_element_counters = 0;
10383   int i;
10384
10385   if (!checkPropertiesConfig(properties_element))
10386   {
10387     int xpos = ED_ELEMENT_SETTINGS_X(0);
10388     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10389
10390     PrintInfoText("No configuration options available.",
10391                   FONT_TEXT_1, xpos, ypos);
10392
10393     return;
10394   }
10395
10396   // check if there are elements where a value can be chosen for
10397   for (i = 0; elements_with_counter[i].element != -1; i++)
10398   {
10399     if (elements_with_counter[i].element == properties_element)
10400     {
10401       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
10402
10403       counterbutton_info[counter_id].y =
10404         ED_ELEMENT_SETTINGS_YPOS(
10405                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
10406                 (CAN_GROW(properties_element)                ? 1 : 0) +
10407                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
10408                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
10409                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
10410                 num_element_counters);
10411
10412       counterbutton_info[counter_id].value = elements_with_counter[i].value;
10413       counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
10414
10415       if (properties_element == EL_GAME_OF_LIFE ||
10416           properties_element == EL_BIOMAZE)
10417       {
10418         counterbutton_info[counter_id].min_value = 0;   // min neighbours
10419         counterbutton_info[counter_id].max_value = 8;   // max neighbours
10420       }
10421       else
10422       {
10423         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
10424         counterbutton_info[counter_id].min_value = MIN_SCORE;
10425         counterbutton_info[counter_id].max_value = MAX_SCORE;
10426       }
10427
10428       MapCounterButtons(counter_id);
10429
10430       num_element_counters++;
10431       if (num_element_counters >= max_num_element_counters)
10432         break;
10433     }
10434   }
10435
10436   if (HAS_EDITOR_CONTENT(properties_element))
10437   {
10438     // draw stickybutton gadget
10439     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10440
10441     if (IS_AMOEBOID(properties_element))
10442       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
10443     else if (properties_element == EL_YAMYAM ||
10444              properties_element == EL_YAMYAM_LEFT ||
10445              properties_element == EL_YAMYAM_RIGHT ||
10446              properties_element == EL_YAMYAM_UP ||
10447              properties_element == EL_YAMYAM_DOWN)
10448       DrawYamYamContentAreas();
10449     else if (properties_element == EL_EMC_MAGIC_BALL)
10450     {
10451       DrawMagicBallContentAreas();
10452
10453       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
10454       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
10455     }
10456     else if (properties_element == EL_EMC_ANDROID)
10457       DrawAndroidElementArea();
10458     else if (properties_element == EL_MM_GRAY_BALL)
10459     {
10460       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
10461       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
10462       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
10463       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
10464
10465       DrawMMBallContentArea();
10466     }
10467   }
10468
10469   if (IS_PLAYER_ELEMENT(properties_element))
10470   {
10471     int player_nr = GET_PLAYER_NR(properties_element);
10472
10473     // these properties can be set for every player individually
10474
10475     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10476     {
10477       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
10478         &level.start_element[player_nr];
10479       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
10480         &level.artwork_element[player_nr];
10481       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
10482         &level.explosion_element[player_nr];
10483
10484       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
10485         &level.use_start_element[player_nr];
10486       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
10487         &level.use_artwork_element[player_nr];
10488       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
10489         &level.use_explosion_element[player_nr];
10490       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
10491         &level.initial_player_gravity[player_nr];
10492
10493       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
10494         &level.initial_player_stepsize[player_nr];
10495
10496       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
10497       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
10498                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
10499                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
10500       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
10501       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
10502       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
10503       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
10504       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
10505       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
10506       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
10507       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
10508       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
10509       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
10510       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
10511
10512       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
10513       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
10514       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
10515
10516       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
10517     }
10518     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10519     {
10520       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
10521         &level.initial_inventory_content[player_nr][0];
10522
10523       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
10524         &level.initial_inventory_size[player_nr];
10525
10526       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
10527         &level.use_initial_inventory[player_nr];
10528
10529       // draw checkbutton gadgets
10530       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
10531       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
10532       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
10533
10534       // draw counter gadgets
10535       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
10536
10537       // draw drawing area gadgets
10538       DrawPlayerInitialInventoryArea(properties_element);
10539     }
10540   }
10541
10542   if (IS_GEM(properties_element))
10543     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
10544
10545   if (properties_element == EL_EM_DYNAMITE)
10546     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
10547
10548   if (COULD_MOVE_INTO_ACID(properties_element) &&
10549       !IS_PLAYER_ELEMENT(properties_element) &&
10550       (!IS_CUSTOM_ELEMENT(properties_element) ||
10551        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
10552   {
10553     // set position for checkbutton for "can move into acid"
10554     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
10555       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
10556     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
10557       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
10558                                IS_BALLOON_ELEMENT(properties_element) ||
10559                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10560
10561     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
10562   }
10563
10564   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
10565     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
10566
10567   if (properties_element == EL_SPRING ||
10568       properties_element == EL_SPRING_LEFT ||
10569       properties_element == EL_SPRING_RIGHT)
10570     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
10571
10572   if (properties_element == EL_TIME_ORB_FULL)
10573     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
10574
10575   if (properties_element == EL_GAME_OF_LIFE ||
10576       properties_element == EL_BIOMAZE)
10577     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
10578
10579   if (CAN_GROW(properties_element))
10580   {
10581     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
10582       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10583
10584     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
10585   }
10586
10587   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
10588     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
10589
10590   if (properties_element == EL_SOKOBAN_OBJECT)
10591     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
10592
10593   if (properties_element == EL_SOKOBAN_OBJECT ||
10594       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
10595       properties_element == EL_SOKOBAN_FIELD_FULL)
10596   {
10597     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
10598       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
10599                                0 : 1);
10600
10601     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
10602   }
10603
10604   if (IS_BALLOON_ELEMENT(properties_element))
10605     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
10606
10607   if (IS_ENVELOPE(properties_element) ||
10608       IS_MM_ENVELOPE(properties_element))
10609   {
10610     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
10611     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
10612     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
10613     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
10614     int envelope_nr = ENVELOPE_NR(properties_element);
10615
10616     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
10617     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
10618
10619     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
10620     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
10621
10622     // display counter to choose size of envelope text area
10623     MapCounterButtons(counter1_id);
10624     MapCounterButtons(counter2_id);
10625
10626     // display checkbuttons to choose auto-wrap and alignment properties
10627     MapCheckbuttonGadget(button1_id);
10628     MapCheckbuttonGadget(button2_id);
10629
10630     DrawEnvelopeTextArea(envelope_nr);
10631   }
10632
10633   if (IS_MM_MCDUFFIN(properties_element))
10634   {
10635     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
10636     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
10637     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
10638   }
10639
10640   if (IS_DF_LASER(properties_element))
10641   {
10642     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
10643     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
10644     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
10645   }
10646
10647   if (IS_CUSTOM_ELEMENT(properties_element))
10648   {
10649     // draw stickybutton gadget
10650     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10651
10652     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10653     {
10654       // draw checkbutton gadgets
10655       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
10656            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
10657         MapCheckbuttonGadget(i);
10658
10659       // draw counter gadgets
10660       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
10661            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
10662         MapCounterButtons(i);
10663
10664       // draw selectbox gadgets
10665       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
10666            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
10667         MapSelectboxGadget(i);
10668
10669       // draw textbutton gadgets
10670       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10671
10672       // draw text input gadgets
10673       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10674
10675       // draw drawing area gadgets
10676       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10677
10678       draw_footer_line = TRUE;
10679     }
10680     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10681     {
10682       // draw checkbutton gadgets
10683       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
10684            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
10685         MapCheckbuttonGadget(i);
10686
10687       // draw counter gadgets
10688       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
10689            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
10690         MapCounterButtons(i);
10691
10692       // draw selectbox gadgets
10693       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
10694            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
10695         MapSelectboxGadget(i);
10696
10697       // draw drawing area gadgets
10698       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
10699       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
10700       DrawCustomContentArea();
10701     }
10702   }
10703   else if (IS_GROUP_ELEMENT(properties_element))
10704   {
10705     // draw stickybutton gadget
10706     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10707
10708     // draw checkbutton gadgets
10709     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10710     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10711
10712     // draw counter gadgets
10713     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
10714
10715     // draw selectbox gadgets
10716     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
10717
10718     // draw textbutton gadgets
10719     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10720
10721     // draw drawing area gadgets
10722     DrawGroupElementArea();
10723
10724     // draw text input gadgets
10725     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10726
10727     // draw drawing area gadgets
10728     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10729
10730     draw_footer_line = TRUE;
10731   }
10732   else if (IS_EMPTY_ELEMENT(properties_element))
10733   {
10734     // draw stickybutton gadget
10735     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10736
10737     // draw checkbutton gadgets
10738     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10739     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10740
10741     // draw textbutton gadgets
10742     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10743
10744     // draw drawing area gadgets
10745     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10746
10747     draw_footer_line = TRUE;
10748   }
10749
10750   // draw little footer border line above CE/GE use/save template gadgets
10751   if (draw_footer_line)
10752   {
10753     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10754     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10755     int gd_x = gd->x + gd_gi1->border.width / 2;
10756     int gd_y = gd->y + gd_gi1->height - 1;
10757     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10758
10759     if (tab_color != BLACK_PIXEL)               // black => transparent
10760       FillRectangle(drawto,
10761                     SX + ED_ELEMENT_SETTINGS_X(0),
10762                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10763                     ED_TAB_BAR_HEIGHT,
10764                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10765   }
10766 }
10767
10768 static void DrawPropertiesChangeDrawingAreas(void)
10769 {
10770   if (IS_CUSTOM_ELEMENT(properties_element))
10771   {
10772     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10773     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10774     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10775
10776     DrawCustomChangeContentArea();
10777   }
10778
10779   redraw_mask |= REDRAW_FIELD;
10780 }
10781
10782 static void DrawPropertiesChange(void)
10783 {
10784   int i;
10785
10786   // needed to initially set selectbox options for special action options
10787   setSelectboxSpecialActionOptions();
10788
10789   // draw stickybutton gadget
10790   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10791
10792   // draw checkbutton gadgets
10793   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10794        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10795     MapCheckbuttonGadget(i);
10796
10797   // draw counter gadgets
10798   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10799        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10800     MapCounterButtons(i);
10801
10802   // draw selectbox gadgets
10803   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10804        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10805     MapSelectboxGadget(i);
10806
10807   // draw textbutton gadgets
10808   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10809        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10810     MapTextbuttonGadget(i);
10811
10812   // draw graphicbutton gadgets
10813   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10814        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10815     MapGraphicbuttonGadget(i);
10816
10817   // draw drawing area gadgets
10818   DrawPropertiesChangeDrawingAreas();
10819 }
10820
10821 static void DrawEditorElementAnimation(int x, int y)
10822 {
10823   int graphic = el2img(properties_element);
10824   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10825                custom_element.ce_value_fixed_initial :
10826                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10827                custom_element.collect_score_initial : FrameCounter);
10828
10829   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10830 }
10831
10832 static void DrawEditorElementName(int x, int y, int font_nr)
10833 {
10834   char *element_name = getElementInfoText(properties_element);
10835   int font_width = getFontWidth(font_nr);
10836   int font_height = getFontHeight(font_nr);
10837   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10838   int max_chars_per_line = max_text_width / font_width;
10839
10840   if (strlen(element_name) <= max_chars_per_line)
10841     DrawTextS(x, y, font_nr, element_name);
10842   else
10843   {
10844     char buffer[max_chars_per_line + 1];
10845     int next_pos = max_chars_per_line;
10846
10847     strncpy(buffer, element_name, max_chars_per_line);
10848     buffer[max_chars_per_line] = '\0';
10849
10850     if (element_name[max_chars_per_line] == ' ')
10851       next_pos++;
10852     else
10853     {
10854       int i;
10855
10856       for (i = max_chars_per_line - 1; i >= 0; i--)
10857         if (buffer[i] == ' ')
10858           break;
10859
10860       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10861       {
10862         buffer[i] = '\0';
10863         next_pos = i + 1;
10864       }
10865     }
10866
10867     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10868
10869     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10870     buffer[max_chars_per_line] = '\0';
10871
10872     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10873   }
10874 }
10875
10876 static void DrawPropertiesWindow(void)
10877 {
10878   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10879   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10880   int border_size = gd->border_size;
10881   int font_nr = FONT_TEXT_1;
10882   int font_height = getFontHeight(font_nr);
10883   int xoffset = TILEX + element_border + 3 * border_size;
10884   int yoffset = (TILEY - font_height) / 2;
10885   int x1 = editor.settings.element_graphic.x + element_border;
10886   int y1 = editor.settings.element_graphic.y + element_border;
10887   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10888             editor.settings.element_name.x);
10889   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10890             editor.settings.element_name.y);
10891   char *text = "Element Settings";
10892   int font2_nr = FONT_TITLE_1;
10893   struct MenuPosInfo *pos = &editor.settings.headline;
10894   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10895   int sy = SY + pos->y;
10896
10897   stick_element_properties_window = FALSE;
10898
10899   // make sure that previous properties edit mode exists for this element
10900   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10901       !IS_CUSTOM_ELEMENT(properties_element))
10902     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10903
10904   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10905       !IS_PLAYER_ELEMENT(properties_element) &&
10906       !IS_CUSTOM_ELEMENT(properties_element))
10907     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10908
10909   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10910       (IS_PLAYER_ELEMENT(properties_element) ||
10911        IS_CUSTOM_ELEMENT(properties_element)))
10912     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10913
10914   CopyElementPropertiesToEditor(properties_element);
10915
10916   UnmapLevelEditorFieldGadgets();
10917   UnmapLevelEditorToolboxDrawingGadgets();
10918   UnmapLevelEditorToolboxCustomGadgets();
10919
10920   MapLevelEditorToolboxCustomGadgetsIfNeeded();
10921
10922   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10923   ClearField();
10924
10925   DrawText(sx, sy, text, font2_nr);
10926
10927   FrameCounter = 0;     // restart animation frame counter
10928
10929   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10930   DrawEditorElementAnimation(SX + x1, SY + y1);
10931   DrawEditorElementName(x2, y2, font_nr);
10932
10933   DrawPropertiesTabulatorGadgets();
10934
10935   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10936     DrawPropertiesInfo();
10937   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10938     DrawPropertiesChange();
10939   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
10940     DrawPropertiesConfig();
10941 }
10942
10943 static void DrawPaletteWindow(void)
10944 {
10945   int i;
10946
10947   UnmapLevelEditorFieldGadgets();
10948
10949   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10950   ClearField();
10951
10952   // map buttons to select elements
10953   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10954     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10955   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10956   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10957   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10958 }
10959
10960 static void UpdateCustomElementGraphicGadgets(void)
10961 {
10962   int i;
10963
10964   InitElementPropertiesGfxElement();
10965
10966   ModifyEditorElementList();
10967   RedrawDrawingElements();
10968
10969   // force redraw of all mapped drawing area gadgets
10970   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10971   {
10972     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10973
10974     if (gi->mapped)
10975       MapDrawingArea(i);
10976   }
10977 }
10978
10979 static int getOpenDirectionFromTube(int element)
10980 {
10981   switch (element)
10982   {
10983     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10984     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10985     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10986     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10987     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10988     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10989     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10990     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10991     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10992     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10993     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10994   }
10995
10996   return MV_NONE;
10997 }
10998
10999 static int getTubeFromOpenDirection(int direction)
11000 {
11001   switch (direction)
11002   {
11003     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
11004     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
11005     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
11006     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
11007     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
11008     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
11009     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
11010     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
11011     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
11012     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
11013     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
11014
11015     // if only one direction, fall back to simple tube with that direction
11016     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
11017     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
11018     case (MV_UP):                       return EL_TUBE_VERTICAL;
11019     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
11020   }
11021
11022   return EL_EMPTY;
11023 }
11024
11025 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
11026 {
11027   int element_new = getTubeFromOpenDirection(direction);
11028
11029   return (element_new != EL_EMPTY ? element_new : element_old);
11030 }
11031
11032 static int getOpenDirectionFromBelt(int element)
11033 {
11034   int belt_dir = getBeltDirFromBeltElement(element);
11035
11036   return (belt_dir == MV_LEFT ? MV_RIGHT :
11037           belt_dir == MV_RIGHT ? MV_LEFT :
11038           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
11039 }
11040
11041 static int getBeltFromNrAndOpenDirection(int nr, int direction)
11042 {
11043   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
11044                   direction == MV_RIGHT ? MV_LEFT :
11045                   direction == MV_HORIZONTAL ? MV_NONE : direction);
11046
11047   if (direction == MV_NONE)
11048     return EL_EMPTY;
11049
11050   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
11051 }
11052
11053 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
11054                                                  int element_old)
11055 {
11056   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
11057
11058   return (element_new != EL_EMPTY ? element_new : element_old);
11059 }
11060
11061 static int getOpenDirectionFromPool(int element)
11062 {
11063   switch (element)
11064   {
11065     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
11066     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
11067     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
11068     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
11069     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
11070     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
11071   }
11072
11073   return MV_NONE;
11074 }
11075
11076 static int getPoolFromOpenDirection(int direction)
11077 {
11078   switch (direction)
11079   {
11080     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
11081     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
11082     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
11083     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
11084     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
11085     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
11086   }
11087
11088   return EL_EMPTY;
11089 }
11090
11091 static int getPoolFromOpenDirectionExt(int direction, int help_element)
11092 {
11093   int element = getPoolFromOpenDirection(direction);
11094   int help_direction = getOpenDirectionFromPool(help_element);
11095
11096   if (element == EL_EMPTY)
11097   {
11098     int help_direction_vertical = help_direction & MV_VERTICAL;
11099
11100     element = getPoolFromOpenDirection(direction | help_direction_vertical);
11101   }
11102
11103   if (element == EL_EMPTY)
11104   {
11105     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
11106
11107     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
11108   }
11109
11110   return element;
11111 }
11112
11113 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
11114 {
11115   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
11116
11117   return (element_new != EL_EMPTY ? element_new : element_old);
11118 }
11119
11120 static int getOpenDirectionFromPillar(int element)
11121 {
11122   switch (element)
11123   {
11124     case EL_EMC_WALL_1:                 return (MV_DOWN);
11125     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
11126     case EL_EMC_WALL_3:                 return (MV_UP);
11127   }
11128
11129   return MV_NONE;
11130 }
11131
11132 static int getPillarFromOpenDirection(int direction)
11133 {
11134   switch (direction)
11135   {
11136     case (MV_DOWN):                     return EL_EMC_WALL_1;
11137     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
11138     case (MV_UP):                       return EL_EMC_WALL_3;
11139   }
11140
11141   return EL_EMPTY;
11142 }
11143
11144 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
11145 {
11146   int element_new = getPillarFromOpenDirection(direction);
11147
11148   return (element_new != EL_EMPTY ? element_new : element_old);
11149 }
11150
11151 static int getOpenDirectionFromSteel2(int element)
11152 {
11153   switch (element)
11154   {
11155     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
11156     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
11157     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
11158     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
11159     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
11160     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
11161     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
11162     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
11163   }
11164
11165   return MV_NONE;
11166 }
11167
11168 static int getSteel2FromOpenDirection(int direction)
11169 {
11170   switch (direction)
11171   {
11172     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
11173     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
11174     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
11175     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
11176     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
11177     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
11178     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
11179     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
11180   }
11181
11182   return EL_EMPTY;
11183 }
11184
11185 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
11186 {
11187   int element_new = getSteel2FromOpenDirection(direction);
11188
11189   return (element_new != EL_EMPTY ? element_new : element_old);
11190 }
11191
11192 static int getOpenDirectionFromChip(int element)
11193 {
11194   switch (element)
11195   {
11196     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
11197     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
11198     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
11199     case EL_SP_CHIP_TOP:                return (MV_DOWN);
11200     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
11201   }
11202
11203   return MV_NONE;
11204 }
11205
11206 static int getChipFromOpenDirection(int direction)
11207 {
11208   switch (direction)
11209   {
11210     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
11211     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
11212     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
11213     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
11214     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
11215   }
11216
11217   return EL_EMPTY;
11218 }
11219
11220 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
11221 {
11222   int element_new = getChipFromOpenDirection(direction);
11223
11224   return (element_new != EL_EMPTY ? element_new : element_old);
11225 }
11226
11227 static int getClosedTube(int x, int y)
11228 {
11229   struct XY *xy = xy_directions;
11230   int element_old = IntelliDrawBuffer[x][y];
11231   int direction_old = getOpenDirectionFromTube(element_old);
11232   int direction_new = MV_NONE;
11233   int i;
11234
11235   for (i = 0; i < NUM_DIRECTIONS; i++)
11236   {
11237     int xx = x + xy[i].x;
11238     int yy = y + xy[i].y;
11239     int dir = MV_DIR_FROM_BIT(i);
11240     int dir_opposite = MV_DIR_OPPOSITE(dir);
11241
11242     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
11243         (direction_old & dir) &&
11244         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11245       direction_new |= dir;
11246   }
11247
11248   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
11249 }
11250
11251 static int getClosedBelt(int x, int y)
11252 {
11253   struct XY *xy = xy_directions;
11254   int element_old = IntelliDrawBuffer[x][y];
11255   int nr = getBeltNrFromBeltElement(element_old);
11256   int direction_old = getOpenDirectionFromBelt(element_old);
11257   int direction_new = MV_NONE;
11258   int i;
11259
11260   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11261   {
11262     int xx = x + xy[i].x;
11263     int yy = y + xy[i].y;
11264     int dir = MV_DIR_FROM_BIT(i);
11265     int dir_opposite = MV_DIR_OPPOSITE(dir);
11266
11267     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
11268         (direction_old & dir) &&
11269         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11270       direction_new |= dir;
11271   }
11272
11273   return getBeltFromNrAndOpenDirection(nr, direction_new);
11274 }
11275
11276 static int getClosedPool(int x, int y)
11277 {
11278   struct XY *xy = xy_directions;
11279   int element_old = IntelliDrawBuffer[x][y];
11280   int direction_old = getOpenDirectionFromPool(element_old);
11281   int direction_new = MV_NONE;
11282   int i;
11283
11284   for (i = 0; i < NUM_DIRECTIONS; i++)
11285   {
11286     int xx = x + xy[i].x;
11287     int yy = y + xy[i].y;
11288     int dir = MV_DIR_FROM_BIT(i);
11289     int dir_opposite = MV_DIR_OPPOSITE(dir);
11290
11291     if (IN_LEV_FIELD(xx, yy) &&
11292         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
11293         (direction_old & dir) &&
11294         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11295       direction_new |= dir;
11296   }
11297
11298   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
11299 }
11300
11301 static int getClosedPillar(int x, int y)
11302 {
11303   struct XY *xy = xy_directions;
11304   int element_old = IntelliDrawBuffer[x][y];
11305   int direction_old = getOpenDirectionFromPillar(element_old);
11306   int direction_new = MV_NONE;
11307   int i;
11308
11309   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11310   {
11311     int xx = x + xy[i].x;
11312     int yy = y + xy[i].y;
11313     int dir = MV_DIR_FROM_BIT(i);
11314     int dir_opposite = MV_DIR_OPPOSITE(dir);
11315
11316     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
11317         (direction_old & dir) &&
11318         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11319       direction_new |= dir;
11320   }
11321
11322   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
11323 }
11324
11325 static int getClosedSteel2(int x, int y)
11326 {
11327   struct XY *xy = xy_directions;
11328   int element_old = IntelliDrawBuffer[x][y];
11329   int direction_old = getOpenDirectionFromSteel2(element_old);
11330   int direction_new = MV_NONE;
11331   int i;
11332
11333   for (i = 0; i < NUM_DIRECTIONS; i++)
11334   {
11335     int xx = x + xy[i].x;
11336     int yy = y + xy[i].y;
11337     int dir = MV_DIR_FROM_BIT(i);
11338     int dir_opposite = MV_DIR_OPPOSITE(dir);
11339
11340     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
11341         (direction_old & dir) &&
11342         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11343       direction_new |= dir;
11344   }
11345
11346   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
11347 }
11348
11349 static int getClosedChip(int x, int y)
11350 {
11351   struct XY *xy = xy_directions;
11352   int element_old = IntelliDrawBuffer[x][y];
11353   int direction_old = getOpenDirectionFromChip(element_old);
11354   int direction_new = MV_NONE;
11355   int i;
11356
11357   for (i = 0; i < NUM_DIRECTIONS; i++)
11358   {
11359     int xx = x + xy[i].x;
11360     int yy = y + xy[i].y;
11361     int dir = MV_DIR_FROM_BIT(i);
11362     int dir_opposite = MV_DIR_OPPOSITE(dir);
11363
11364     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
11365         (direction_old & dir) &&
11366         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11367       direction_new |= dir;
11368   }
11369
11370   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
11371 }
11372
11373 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
11374                                 boolean change_level)
11375 {
11376   int sx = x - level_xpos;
11377   int sy = y - level_ypos;
11378   int old_element = Tile[x][y];
11379   int new_element = element;
11380   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
11381   boolean draw_masked = FALSE;
11382
11383   if (IS_MM_WALL_EDITOR(element))
11384   {
11385     element = map_mm_wall_element_editor(element) | new_bitmask;
11386
11387     if (IS_MM_WALL(old_element))
11388       element |= MM_WALL_BITS(old_element);
11389
11390     if (!change_level)
11391       draw_masked = TRUE;
11392   }
11393   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
11394   {
11395     int element_changed = old_element & ~new_bitmask;
11396
11397     if (MM_WALL_BITS(element_changed) != 0)
11398       element = element_changed;
11399   }
11400
11401   IntelliDrawBuffer[x][y] = element;
11402
11403   if (change_level)
11404     Tile[x][y] = element;
11405
11406   if (IN_ED_FIELD(sx, sy))
11407   {
11408     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
11409       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
11410     else if (draw_masked)
11411       DrawEditorElementThruMask(sx, sy, element);
11412     else
11413       DrawEditorElement(sx, sy, element);
11414   }
11415 }
11416
11417 static void SetElementSimple(int x, int y, int element, boolean change_level)
11418 {
11419   SetElementSimpleExt(x, y, 0, 0, element, change_level);
11420 }
11421
11422 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
11423                                            int x2, int y2, int *element2,
11424                                            int (*close_function)(int, int),
11425                                            boolean change_level)
11426 {
11427   // set neighbour elements to newly determined connections
11428   SetElementSimple(x1, y1, *element1, change_level);
11429   SetElementSimple(x2, y2, *element2, change_level);
11430
11431   // remove all open connections of neighbour elements
11432   *element1 = close_function(x1, y1);
11433   *element2 = close_function(x2, y2);
11434
11435   // set neighbour elements to new, minimized connections
11436   SetElementSimple(x1, y1, *element1, change_level);
11437   SetElementSimple(x2, y2, *element2, change_level);
11438 }
11439
11440 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
11441                                   boolean change_level, int button)
11442 {
11443   struct XY *xy = xy_directions;
11444   static int last_x = -1;
11445   static int last_y = -1;
11446
11447   if (new_element == EL_UNDEFINED)
11448   {
11449     last_x = -1;
11450     last_y = -1;
11451
11452     return;
11453   }
11454
11455   int old_element = IntelliDrawBuffer[x][y];
11456
11457   if (IS_TUBE(new_element))
11458   {
11459     int last_element_new = EL_UNDEFINED;
11460     int direction = MV_NONE;
11461     int i;
11462
11463     // if old element is of same kind, keep all existing directions
11464     if (IS_TUBE(old_element))
11465       direction |= getOpenDirectionFromTube(old_element);
11466
11467     for (i = 0; i < NUM_DIRECTIONS; i++)
11468     {
11469       int xx = x + xy[i].x;
11470       int yy = y + xy[i].y;
11471
11472       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11473           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
11474       {
11475         int dir = MV_DIR_FROM_BIT(i);
11476         int dir_opposite = MV_DIR_OPPOSITE(dir);
11477         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11478         int last_direction_old = getOpenDirectionFromTube(last_element_old);
11479         int last_direction_new = last_direction_old | dir_opposite;
11480
11481         last_element_new = getTubeFromOpenDirection(last_direction_new);
11482
11483         direction |= dir;
11484       }
11485     }
11486
11487     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
11488
11489     if (last_element_new != EL_UNDEFINED)
11490       MergeAndCloseNeighbourElements(x, y, &new_element,
11491                                      last_x, last_y, &last_element_new,
11492                                      getClosedTube, change_level);
11493   }
11494   else if (IS_BELT(new_element))
11495   {
11496     int belt_nr = getBeltNrFromBeltElement(new_element);
11497     int last_element_new = EL_UNDEFINED;
11498     int direction = MV_NONE;
11499     int i;
11500
11501     // if old element is of same kind, keep all existing directions
11502     if (IS_BELT(old_element))
11503       direction |= getOpenDirectionFromBelt(old_element);
11504
11505     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11506     {
11507       int xx = x + xy[i].x;
11508       int yy = y + xy[i].y;
11509
11510       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11511           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
11512       {
11513         int dir = MV_DIR_FROM_BIT(i);
11514         int dir_opposite = MV_DIR_OPPOSITE(dir);
11515         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11516         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
11517         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
11518         int last_direction_new = last_direction_old | dir_opposite;
11519
11520         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
11521                                                          last_direction_new);
11522         direction |= dir;
11523       }
11524     }
11525
11526     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
11527                                                         new_element);
11528     if (last_element_new != EL_UNDEFINED)
11529       MergeAndCloseNeighbourElements(x, y, &new_element,
11530                                      last_x, last_y, &last_element_new,
11531                                      getClosedBelt, change_level);
11532   }
11533   else if (IS_ACID_POOL_OR_ACID(new_element))
11534   {
11535     int last_element_new = EL_UNDEFINED;
11536     int direction = MV_NONE;
11537     int i;
11538
11539     // if old element is of same kind, keep all existing directions
11540     if (IS_ACID_POOL_OR_ACID(old_element))
11541       direction |= getOpenDirectionFromPool(old_element);
11542
11543     for (i = 0; i < NUM_DIRECTIONS; i++)
11544     {
11545       int xx = x + xy[i].x;
11546       int yy = y + xy[i].y;
11547
11548       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11549           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
11550       {
11551         int dir = MV_DIR_FROM_BIT(i);
11552         int dir_opposite = MV_DIR_OPPOSITE(dir);
11553         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11554         int last_direction_old = getOpenDirectionFromPool(last_element_old);
11555         int last_direction_new = last_direction_old | dir_opposite;
11556
11557         last_element_new = getPoolFromOpenDirection(last_direction_new);
11558
11559         direction |= dir;
11560       }
11561     }
11562
11563     // special corrections needed for intuitively correct acid pool drawing
11564     if (last_element_new == EL_EMPTY)
11565       last_element_new = new_element;
11566     else if (last_element_new != EL_UNDEFINED)
11567       new_element = last_element_new;
11568
11569     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
11570
11571     if (last_element_new != EL_UNDEFINED)
11572       MergeAndCloseNeighbourElements(x, y, &new_element,
11573                                      last_x, last_y, &last_element_new,
11574                                      getClosedPool, change_level);
11575   }
11576   else if (IS_EMC_PILLAR(new_element))
11577   {
11578     int last_element_new = EL_UNDEFINED;
11579     int direction = MV_NONE;
11580     int i;
11581
11582     // if old element is of same kind, keep all existing directions
11583     if (IS_EMC_PILLAR(old_element))
11584       direction |= getOpenDirectionFromPillar(old_element);
11585
11586     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11587     {
11588       int xx = x + xy[i].x;
11589       int yy = y + xy[i].y;
11590
11591       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11592           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
11593       {
11594         int dir = MV_DIR_FROM_BIT(i);
11595         int dir_opposite = MV_DIR_OPPOSITE(dir);
11596         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11597         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
11598         int last_direction_new = last_direction_old | dir_opposite;
11599
11600         last_element_new = getPillarFromOpenDirection(last_direction_new);
11601
11602         direction |= dir;
11603       }
11604     }
11605
11606     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
11607
11608     if (last_element_new != EL_UNDEFINED)
11609       MergeAndCloseNeighbourElements(x, y, &new_element,
11610                                      last_x, last_y, &last_element_new,
11611                                      getClosedPillar, change_level);
11612   }
11613   else if (IS_DC_STEELWALL_2(new_element))
11614   {
11615     int last_element_new = EL_UNDEFINED;
11616     int direction = MV_NONE;
11617     int i;
11618
11619     // if old element is of same kind, keep all existing directions
11620     if (IS_DC_STEELWALL_2(old_element))
11621       direction |= getOpenDirectionFromSteel2(old_element);
11622
11623     for (i = 0; i < NUM_DIRECTIONS; i++)
11624     {
11625       int xx = x + xy[i].x;
11626       int yy = y + xy[i].y;
11627
11628       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11629           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11630       {
11631         int dir = MV_DIR_FROM_BIT(i);
11632         int dir_opposite = MV_DIR_OPPOSITE(dir);
11633         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11634         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
11635         int last_direction_new = last_direction_old | dir_opposite;
11636
11637         last_element_new = getSteel2FromOpenDirection(last_direction_new);
11638
11639         direction |= dir;
11640       }
11641     }
11642
11643     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
11644
11645     if (last_element_new != EL_UNDEFINED)
11646       MergeAndCloseNeighbourElements(x, y, &new_element,
11647                                      last_x, last_y, &last_element_new,
11648                                      getClosedSteel2, change_level);
11649   }
11650   else if (IS_SP_CHIP(new_element))
11651   {
11652     int last_element_new = EL_UNDEFINED;
11653     int direction = MV_NONE;
11654     int i;
11655
11656     // (do not keep existing directions, regardless of kind of old element)
11657
11658     for (i = 0; i < NUM_DIRECTIONS; i++)
11659     {
11660       int xx = x + xy[i].x;
11661       int yy = y + xy[i].y;
11662
11663       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11664           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
11665       {
11666         int dir = MV_DIR_FROM_BIT(i);
11667         int dir_opposite = MV_DIR_OPPOSITE(dir);
11668         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11669         int last_direction_old = getOpenDirectionFromChip(last_element_old);
11670         int last_direction_new = last_direction_old | dir_opposite;
11671
11672         if (last_direction_old == MV_NONE)
11673         {
11674           last_element_new = getChipFromOpenDirection(last_direction_new);
11675           direction |= dir;
11676         }
11677         else if (last_direction_old & (dir | dir_opposite))
11678         {
11679           direction |= MV_DIR_OPPOSITE(last_direction_old);
11680         }
11681         else
11682         {
11683           direction |= MV_DIR_OPPOSITE(dir);
11684         }
11685       }
11686     }
11687
11688     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
11689
11690     if (last_element_new != EL_UNDEFINED)
11691       MergeAndCloseNeighbourElements(x, y, &new_element,
11692                                      last_x, last_y, &last_element_new,
11693                                      getClosedChip, change_level);
11694   }
11695   else if (IS_SP_HARDWARE_BASE(new_element))
11696   {
11697     int nr = GetSimpleRandom(6);
11698
11699     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
11700                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
11701                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
11702                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11703                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11704   }
11705   else if (new_element == EL_SP_HARDWARE_GREEN ||
11706            new_element == EL_SP_HARDWARE_BLUE ||
11707            new_element == EL_SP_HARDWARE_RED)
11708   {
11709     int nr = GetSimpleRandom(3);
11710
11711     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11712                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11713   }
11714   else if (IS_GROUP_ELEMENT(new_element))
11715   {
11716     boolean connected_drawing = FALSE;
11717     int i;
11718
11719     for (i = 0; i < NUM_DIRECTIONS; i++)
11720     {
11721       int xx = x + xy[i].x;
11722       int yy = y + xy[i].y;
11723
11724       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11725           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11726         connected_drawing = TRUE;
11727     }
11728
11729     if (!connected_drawing)
11730       ResolveGroupElement(new_element);
11731
11732     new_element = GetElementFromGroupElement(new_element);
11733   }
11734   else if (IS_BELT_SWITCH(old_element))
11735   {
11736     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11737     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11738
11739     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11740                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11741
11742     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11743   }
11744   else
11745   {
11746     static int swappable_elements[][2] =
11747     {
11748       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11749       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11750       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11751       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11752       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11753       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11754       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11755       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11756       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11757       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11758       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11759       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11760       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11761       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11762       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11763       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11764       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11765       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11766       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11767       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11768       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11769       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11770       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11771       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11772       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11773       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11774       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11775       { EL_PEARL,                       EL_WALL_PEARL                   },
11776       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11777       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11778       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11779       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11780       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11781       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11782       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11783       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11784       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11785       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11786       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11787       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11788       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11789       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11790       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11791       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11792
11793       { -1,                             -1                              },
11794     };
11795     static int rotatable_elements_4[][4] =
11796     {
11797       {
11798         EL_BUG_UP,
11799         EL_BUG_RIGHT,
11800         EL_BUG_DOWN,
11801         EL_BUG_LEFT
11802       },
11803       {
11804         EL_SPACESHIP_UP,
11805         EL_SPACESHIP_RIGHT,
11806         EL_SPACESHIP_DOWN,
11807         EL_SPACESHIP_LEFT
11808       },
11809       {
11810         EL_BD_BUTTERFLY_UP,
11811         EL_BD_BUTTERFLY_RIGHT,
11812         EL_BD_BUTTERFLY_DOWN,
11813         EL_BD_BUTTERFLY_LEFT
11814       },
11815       {
11816         EL_BD_FIREFLY_UP,
11817         EL_BD_FIREFLY_RIGHT,
11818         EL_BD_FIREFLY_DOWN,
11819         EL_BD_FIREFLY_LEFT
11820       },
11821       {
11822         EL_PACMAN_UP,
11823         EL_PACMAN_RIGHT,
11824         EL_PACMAN_DOWN,
11825         EL_PACMAN_LEFT
11826       },
11827       {
11828         EL_YAMYAM_UP,
11829         EL_YAMYAM_RIGHT,
11830         EL_YAMYAM_DOWN,
11831         EL_YAMYAM_LEFT
11832       },
11833       {
11834         EL_ARROW_UP,
11835         EL_ARROW_RIGHT,
11836         EL_ARROW_DOWN,
11837         EL_ARROW_LEFT
11838       },
11839       {
11840         EL_SP_PORT_UP,
11841         EL_SP_PORT_RIGHT,
11842         EL_SP_PORT_DOWN,
11843         EL_SP_PORT_LEFT
11844       },
11845       {
11846         EL_SP_GRAVITY_PORT_UP,
11847         EL_SP_GRAVITY_PORT_RIGHT,
11848         EL_SP_GRAVITY_PORT_DOWN,
11849         EL_SP_GRAVITY_PORT_LEFT
11850       },
11851       {
11852         EL_SP_GRAVITY_ON_PORT_UP,
11853         EL_SP_GRAVITY_ON_PORT_RIGHT,
11854         EL_SP_GRAVITY_ON_PORT_DOWN,
11855         EL_SP_GRAVITY_ON_PORT_LEFT
11856       },
11857       {
11858         EL_SP_GRAVITY_OFF_PORT_UP,
11859         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11860         EL_SP_GRAVITY_OFF_PORT_DOWN,
11861         EL_SP_GRAVITY_OFF_PORT_LEFT
11862       },
11863       {
11864         EL_MOLE_UP,
11865         EL_MOLE_RIGHT,
11866         EL_MOLE_DOWN,
11867         EL_MOLE_LEFT
11868       },
11869       {
11870         EL_BALLOON_SWITCH_UP,
11871         EL_BALLOON_SWITCH_RIGHT,
11872         EL_BALLOON_SWITCH_DOWN,
11873         EL_BALLOON_SWITCH_LEFT
11874       },
11875       {
11876         EL_MM_MCDUFFIN_UP,
11877         EL_MM_MCDUFFIN_RIGHT,
11878         EL_MM_MCDUFFIN_DOWN,
11879         EL_MM_MCDUFFIN_LEFT
11880       },
11881       {
11882         EL_MM_MIRROR_FIXED_1,
11883         EL_MM_MIRROR_FIXED_4,
11884         EL_MM_MIRROR_FIXED_3,
11885         EL_MM_MIRROR_FIXED_2
11886       },
11887       {
11888         EL_MM_STEEL_GRID_FIXED_1,
11889         EL_MM_STEEL_GRID_FIXED_4,
11890         EL_MM_STEEL_GRID_FIXED_2,
11891         EL_MM_STEEL_GRID_FIXED_3
11892       },
11893       {
11894         EL_MM_WOODEN_GRID_FIXED_1,
11895         EL_MM_WOODEN_GRID_FIXED_4,
11896         EL_MM_WOODEN_GRID_FIXED_2,
11897         EL_MM_WOODEN_GRID_FIXED_3
11898       },
11899       {
11900         EL_MM_POLARIZER_CROSS_1,
11901         EL_MM_POLARIZER_CROSS_4,
11902         EL_MM_POLARIZER_CROSS_3,
11903         EL_MM_POLARIZER_CROSS_2
11904       },
11905       {
11906         EL_MM_PACMAN_UP,
11907         EL_MM_PACMAN_RIGHT,
11908         EL_MM_PACMAN_DOWN,
11909         EL_MM_PACMAN_LEFT
11910       },
11911       {
11912         EL_DF_LASER_UP,
11913         EL_DF_LASER_RIGHT,
11914         EL_DF_LASER_DOWN,
11915         EL_DF_LASER_LEFT
11916       },
11917       {
11918         EL_DF_RECEIVER_UP,
11919         EL_DF_RECEIVER_RIGHT,
11920         EL_DF_RECEIVER_DOWN,
11921         EL_DF_RECEIVER_LEFT
11922       },
11923       {
11924         EL_DF_SLOPE_1,
11925         EL_DF_SLOPE_4,
11926         EL_DF_SLOPE_3,
11927         EL_DF_SLOPE_2
11928       },
11929
11930       {
11931         -1,
11932       },
11933     };
11934     static int rotatable_elements_8[][8] =
11935     {
11936       {
11937         EL_DF_STEEL_GRID_FIXED_1,
11938         EL_DF_STEEL_GRID_FIXED_8,
11939         EL_DF_STEEL_GRID_FIXED_7,
11940         EL_DF_STEEL_GRID_FIXED_6,
11941         EL_DF_STEEL_GRID_FIXED_5,
11942         EL_DF_STEEL_GRID_FIXED_4,
11943         EL_DF_STEEL_GRID_FIXED_3,
11944         EL_DF_STEEL_GRID_FIXED_2
11945       },
11946       {
11947         EL_DF_WOODEN_GRID_FIXED_1,
11948         EL_DF_WOODEN_GRID_FIXED_8,
11949         EL_DF_WOODEN_GRID_FIXED_7,
11950         EL_DF_WOODEN_GRID_FIXED_6,
11951         EL_DF_WOODEN_GRID_FIXED_5,
11952         EL_DF_WOODEN_GRID_FIXED_4,
11953         EL_DF_WOODEN_GRID_FIXED_3,
11954         EL_DF_WOODEN_GRID_FIXED_2
11955       },
11956       {
11957         EL_DF_STEEL_GRID_ROTATING_1,
11958         EL_DF_STEEL_GRID_ROTATING_8,
11959         EL_DF_STEEL_GRID_ROTATING_7,
11960         EL_DF_STEEL_GRID_ROTATING_6,
11961         EL_DF_STEEL_GRID_ROTATING_5,
11962         EL_DF_STEEL_GRID_ROTATING_4,
11963         EL_DF_STEEL_GRID_ROTATING_3,
11964         EL_DF_STEEL_GRID_ROTATING_2
11965       },
11966       {
11967         EL_DF_WOODEN_GRID_ROTATING_1,
11968         EL_DF_WOODEN_GRID_ROTATING_8,
11969         EL_DF_WOODEN_GRID_ROTATING_7,
11970         EL_DF_WOODEN_GRID_ROTATING_6,
11971         EL_DF_WOODEN_GRID_ROTATING_5,
11972         EL_DF_WOODEN_GRID_ROTATING_4,
11973         EL_DF_WOODEN_GRID_ROTATING_3,
11974         EL_DF_WOODEN_GRID_ROTATING_2
11975       },
11976
11977       {
11978         -1,
11979       },
11980     };
11981     static int rotatable_elements_16[][16] =
11982     {
11983       {
11984         EL_MM_MIRROR_1,
11985         EL_MM_MIRROR_16,
11986         EL_MM_MIRROR_15,
11987         EL_MM_MIRROR_14,
11988         EL_MM_MIRROR_13,
11989         EL_MM_MIRROR_12,
11990         EL_MM_MIRROR_11,
11991         EL_MM_MIRROR_10,
11992         EL_MM_MIRROR_9,
11993         EL_MM_MIRROR_8,
11994         EL_MM_MIRROR_7,
11995         EL_MM_MIRROR_6,
11996         EL_MM_MIRROR_5,
11997         EL_MM_MIRROR_4,
11998         EL_MM_MIRROR_3,
11999         EL_MM_MIRROR_2
12000       },
12001       {
12002         EL_MM_TELEPORTER_5,
12003         EL_MM_TELEPORTER_4,
12004         EL_MM_TELEPORTER_3,
12005         EL_MM_TELEPORTER_2,
12006         EL_MM_TELEPORTER_1,
12007         EL_MM_TELEPORTER_16,
12008         EL_MM_TELEPORTER_15,
12009         EL_MM_TELEPORTER_14,
12010         EL_MM_TELEPORTER_13,
12011         EL_MM_TELEPORTER_12,
12012         EL_MM_TELEPORTER_11,
12013         EL_MM_TELEPORTER_10,
12014         EL_MM_TELEPORTER_9,
12015         EL_MM_TELEPORTER_8,
12016         EL_MM_TELEPORTER_7,
12017         EL_MM_TELEPORTER_6
12018       },
12019       {
12020         EL_MM_TELEPORTER_RED_5,
12021         EL_MM_TELEPORTER_RED_4,
12022         EL_MM_TELEPORTER_RED_3,
12023         EL_MM_TELEPORTER_RED_2,
12024         EL_MM_TELEPORTER_RED_1,
12025         EL_MM_TELEPORTER_RED_16,
12026         EL_MM_TELEPORTER_RED_15,
12027         EL_MM_TELEPORTER_RED_14,
12028         EL_MM_TELEPORTER_RED_13,
12029         EL_MM_TELEPORTER_RED_12,
12030         EL_MM_TELEPORTER_RED_11,
12031         EL_MM_TELEPORTER_RED_10,
12032         EL_MM_TELEPORTER_RED_9,
12033         EL_MM_TELEPORTER_RED_8,
12034         EL_MM_TELEPORTER_RED_7,
12035         EL_MM_TELEPORTER_RED_6
12036       },
12037       {
12038         EL_MM_TELEPORTER_YELLOW_5,
12039         EL_MM_TELEPORTER_YELLOW_4,
12040         EL_MM_TELEPORTER_YELLOW_3,
12041         EL_MM_TELEPORTER_YELLOW_2,
12042         EL_MM_TELEPORTER_YELLOW_1,
12043         EL_MM_TELEPORTER_YELLOW_16,
12044         EL_MM_TELEPORTER_YELLOW_15,
12045         EL_MM_TELEPORTER_YELLOW_14,
12046         EL_MM_TELEPORTER_YELLOW_13,
12047         EL_MM_TELEPORTER_YELLOW_12,
12048         EL_MM_TELEPORTER_YELLOW_11,
12049         EL_MM_TELEPORTER_YELLOW_10,
12050         EL_MM_TELEPORTER_YELLOW_9,
12051         EL_MM_TELEPORTER_YELLOW_8,
12052         EL_MM_TELEPORTER_YELLOW_7,
12053         EL_MM_TELEPORTER_YELLOW_6
12054       },
12055       {
12056         EL_MM_TELEPORTER_GREEN_5,
12057         EL_MM_TELEPORTER_GREEN_4,
12058         EL_MM_TELEPORTER_GREEN_3,
12059         EL_MM_TELEPORTER_GREEN_2,
12060         EL_MM_TELEPORTER_GREEN_1,
12061         EL_MM_TELEPORTER_GREEN_16,
12062         EL_MM_TELEPORTER_GREEN_15,
12063         EL_MM_TELEPORTER_GREEN_14,
12064         EL_MM_TELEPORTER_GREEN_13,
12065         EL_MM_TELEPORTER_GREEN_12,
12066         EL_MM_TELEPORTER_GREEN_11,
12067         EL_MM_TELEPORTER_GREEN_10,
12068         EL_MM_TELEPORTER_GREEN_9,
12069         EL_MM_TELEPORTER_GREEN_8,
12070         EL_MM_TELEPORTER_GREEN_7,
12071         EL_MM_TELEPORTER_GREEN_6
12072       },
12073       {
12074         EL_MM_TELEPORTER_BLUE_5,
12075         EL_MM_TELEPORTER_BLUE_4,
12076         EL_MM_TELEPORTER_BLUE_3,
12077         EL_MM_TELEPORTER_BLUE_2,
12078         EL_MM_TELEPORTER_BLUE_1,
12079         EL_MM_TELEPORTER_BLUE_16,
12080         EL_MM_TELEPORTER_BLUE_15,
12081         EL_MM_TELEPORTER_BLUE_14,
12082         EL_MM_TELEPORTER_BLUE_13,
12083         EL_MM_TELEPORTER_BLUE_12,
12084         EL_MM_TELEPORTER_BLUE_11,
12085         EL_MM_TELEPORTER_BLUE_10,
12086         EL_MM_TELEPORTER_BLUE_9,
12087         EL_MM_TELEPORTER_BLUE_8,
12088         EL_MM_TELEPORTER_BLUE_7,
12089         EL_MM_TELEPORTER_BLUE_6
12090       },
12091       {
12092         EL_MM_POLARIZER_1,
12093         EL_MM_POLARIZER_16,
12094         EL_MM_POLARIZER_15,
12095         EL_MM_POLARIZER_14,
12096         EL_MM_POLARIZER_13,
12097         EL_MM_POLARIZER_12,
12098         EL_MM_POLARIZER_11,
12099         EL_MM_POLARIZER_10,
12100         EL_MM_POLARIZER_9,
12101         EL_MM_POLARIZER_8,
12102         EL_MM_POLARIZER_7,
12103         EL_MM_POLARIZER_6,
12104         EL_MM_POLARIZER_5,
12105         EL_MM_POLARIZER_4,
12106         EL_MM_POLARIZER_3,
12107         EL_MM_POLARIZER_2
12108       },
12109       {
12110         EL_DF_MIRROR_1,
12111         EL_DF_MIRROR_16,
12112         EL_DF_MIRROR_15,
12113         EL_DF_MIRROR_14,
12114         EL_DF_MIRROR_13,
12115         EL_DF_MIRROR_12,
12116         EL_DF_MIRROR_11,
12117         EL_DF_MIRROR_10,
12118         EL_DF_MIRROR_9,
12119         EL_DF_MIRROR_8,
12120         EL_DF_MIRROR_7,
12121         EL_DF_MIRROR_6,
12122         EL_DF_MIRROR_5,
12123         EL_DF_MIRROR_4,
12124         EL_DF_MIRROR_3,
12125         EL_DF_MIRROR_2
12126       },
12127       {
12128         EL_DF_MIRROR_ROTATING_1,
12129         EL_DF_MIRROR_ROTATING_16,
12130         EL_DF_MIRROR_ROTATING_15,
12131         EL_DF_MIRROR_ROTATING_14,
12132         EL_DF_MIRROR_ROTATING_13,
12133         EL_DF_MIRROR_ROTATING_12,
12134         EL_DF_MIRROR_ROTATING_11,
12135         EL_DF_MIRROR_ROTATING_10,
12136         EL_DF_MIRROR_ROTATING_9,
12137         EL_DF_MIRROR_ROTATING_8,
12138         EL_DF_MIRROR_ROTATING_7,
12139         EL_DF_MIRROR_ROTATING_6,
12140         EL_DF_MIRROR_ROTATING_5,
12141         EL_DF_MIRROR_ROTATING_4,
12142         EL_DF_MIRROR_ROTATING_3,
12143         EL_DF_MIRROR_ROTATING_2
12144       },
12145       {
12146         EL_DF_MIRROR_FIXED_1,
12147         EL_DF_MIRROR_FIXED_16,
12148         EL_DF_MIRROR_FIXED_15,
12149         EL_DF_MIRROR_FIXED_14,
12150         EL_DF_MIRROR_FIXED_13,
12151         EL_DF_MIRROR_FIXED_12,
12152         EL_DF_MIRROR_FIXED_11,
12153         EL_DF_MIRROR_FIXED_10,
12154         EL_DF_MIRROR_FIXED_9,
12155         EL_DF_MIRROR_FIXED_8,
12156         EL_DF_MIRROR_FIXED_7,
12157         EL_DF_MIRROR_FIXED_6,
12158         EL_DF_MIRROR_FIXED_5,
12159         EL_DF_MIRROR_FIXED_4,
12160         EL_DF_MIRROR_FIXED_3,
12161         EL_DF_MIRROR_FIXED_2
12162       },
12163
12164       {
12165         -1,
12166       },
12167     };
12168     int i, j;
12169
12170     for (i = 0; swappable_elements[i][0] != -1; i++)
12171     {
12172       int element1 = swappable_elements[i][0];
12173       int element2 = swappable_elements[i][1];
12174
12175       if (old_element == element1 || old_element == element2)
12176         new_element = (old_element == element1 ? element2 : element1);
12177     }
12178
12179     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
12180     {
12181       for (j = 0; j < 4; j++)
12182       {
12183         int element = rotatable_elements_4[i][j];
12184
12185         if (old_element == element)
12186           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
12187                          button == 2 ? rotatable_elements_4[i][0]           :
12188                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
12189                          old_element);
12190       }
12191     }
12192
12193     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
12194     {
12195       for (j = 0; j < 8; j++)
12196       {
12197         int element = rotatable_elements_8[i][j];
12198
12199         if (old_element == element)
12200           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
12201                          button == 2 ? rotatable_elements_8[i][0]           :
12202                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
12203                          old_element);
12204       }
12205     }
12206
12207     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
12208     {
12209       for (j = 0; j < 16; j++)
12210       {
12211         int element = rotatable_elements_16[i][j];
12212
12213         if (old_element == element)
12214           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
12215                          button == 2 ? rotatable_elements_16[i][0]             :
12216                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
12217                          old_element);
12218       }
12219     }
12220
12221     if (old_element != new_element)
12222     {
12223       int max_infotext_len = getMaxInfoTextLength();
12224       char infotext[MAX_OUTPUT_LINESIZE + 1];
12225
12226       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
12227       infotext[max_infotext_len] = '\0';
12228
12229       ClearEditorGadgetInfoText();
12230
12231       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
12232                 infotext);
12233     }
12234   }
12235
12236   if (IS_MM_WALL_EDITOR(new_element))
12237     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
12238   else
12239     SetElementSimple(x, y, new_element, change_level);
12240
12241   last_x = x;
12242   last_y = y;
12243 }
12244
12245 static void ResetIntelliDraw(void)
12246 {
12247   int x, y;
12248
12249   for (x = 0; x < lev_fieldx; x++)
12250     for (y = 0; y < lev_fieldy; y++)
12251       IntelliDrawBuffer[x][y] = Tile[x][y];
12252
12253   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
12254 }
12255
12256 static boolean draw_mode_hires = FALSE;
12257
12258 static boolean isHiresTileElement(int element)
12259 {
12260   return (IS_MM_WALL(element)        || element == EL_EMPTY);
12261 }
12262
12263 static boolean isHiresDrawElement(int element)
12264 {
12265   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
12266 }
12267
12268 static int numHiresTiles(int element)
12269 {
12270   if (IS_MM_WALL(element))
12271     return get_number_of_bits(MM_WALL_BITS(element));
12272
12273   return 1;
12274 }
12275
12276 static void SetDrawModeHiRes(int element)
12277 {
12278   draw_mode_hires =
12279     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
12280      isHiresDrawElement(element));
12281 }
12282
12283 static boolean getDrawModeHiRes(void)
12284 {
12285   return draw_mode_hires;
12286 }
12287
12288 static int getLoResScreenPos(int pos)
12289 {
12290   return (getDrawModeHiRes() ? pos / 2 : pos);
12291 }
12292
12293 static int getLoResScreenMod(int pos)
12294 {
12295   return (getDrawModeHiRes() ? pos % 2 : 0);
12296 }
12297
12298 static void SetElementExt(int x, int y, int dx, int dy, int element,
12299                           boolean change_level, int button)
12300 {
12301   if (element < 0)
12302     SetElementSimple(x, y, Tile[x][y], change_level);
12303   else if (GetKeyModState() & KMOD_Shift)
12304     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
12305   else
12306     SetElementSimpleExt(x, y, dx, dy, element, change_level);
12307 }
12308
12309 static void SetElement(int x, int y, int element)
12310 {
12311   SetElementExt(x, y, 0, 0, element, TRUE, -1);
12312 }
12313
12314 static void SetElementButton(int x, int y, int dx, int dy, int element,
12315                              int button)
12316 {
12317   SetElementExt(x, y, dx, dy, element, TRUE, button);
12318 }
12319
12320 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
12321 {
12322   int lx = getLoResScreenPos(sx2) + level_xpos;
12323   int ly = getLoResScreenPos(sy2) + level_ypos;
12324   int dx = getLoResScreenMod(sx2);
12325   int dy = getLoResScreenMod(sy2);
12326
12327   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
12328 }
12329
12330 static void SetLevelElementHiRes(int lx2, int ly2, int element)
12331 {
12332   int lx = lx2 / 2;
12333   int ly = ly2 / 2;
12334   int dx = lx2 % 2;
12335   int dy = ly2 % 2;
12336
12337   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
12338 }
12339
12340 static int getLevelElementHiRes(int lx2, int ly2)
12341 {
12342   int lx = lx2 / 2;
12343   int ly = ly2 / 2;
12344   int dx = lx2 % 2;
12345   int dy = ly2 % 2;
12346   int element = Tile[lx][ly];
12347   unsigned int bitmask = (dx + 1) << (dy * 2);
12348
12349   if (IS_MM_WALL(element))
12350   {
12351     if (element & bitmask)
12352       return map_mm_wall_element(element);
12353     else
12354       return EL_EMPTY;
12355   }
12356
12357   return element;
12358 }
12359
12360 static void DrawLineElement(int x, int y, int element, boolean change_level)
12361 {
12362   SetElementHiRes(x, y, element, change_level);
12363 }
12364
12365 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
12366                      int element, boolean change_level)
12367 {
12368   int xsize = ABS(to_x - from_x);
12369   int ysize = ABS(to_y - from_y);
12370   int dx = (to_x < from_x ? -1 : +1);
12371   int dy = (to_y < from_y ? -1 : +1);
12372   int i;
12373
12374   if (from_y == to_y)                   // horizontal line
12375   {
12376     for (i = 0; i <= xsize; i++)
12377       DrawLineElement(from_x + i * dx, from_y, element, change_level);
12378   }
12379   else if (from_x == to_x)              // vertical line
12380   {
12381     for (i = 0; i <= ysize; i++)
12382       DrawLineElement(from_x, from_y + i * dy, element, change_level);
12383   }
12384   else                                  // diagonal line
12385   {
12386     if (ysize < xsize)                  // a < 1
12387     {
12388       float a = (float)ysize / (float)xsize;
12389
12390       for (i = 0; i <= xsize; i++)
12391       {
12392         int x = dx * i;
12393         int y = dy * (int)(a * i + 0.5);
12394
12395         DrawLineElement(from_x + x, from_y + y, element, change_level);
12396       }
12397     }
12398     else                                // a >= 1
12399     {
12400       float a = (float)xsize / (float)ysize;
12401
12402       for (i = 0; i <= ysize; i++)
12403       {
12404         int x = dx * (int)(a * i + 0.5);
12405         int y = dy * i;
12406
12407         DrawLineElement(from_x + x, from_y + y, element, change_level);
12408       }
12409     }
12410   }
12411 }
12412
12413 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
12414                     int element, boolean change_level)
12415 {
12416   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
12417   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
12418   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
12419   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
12420 }
12421
12422 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
12423                           int element, boolean change_level)
12424 {
12425   int y;
12426
12427   if (from_y > to_y)
12428     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
12429
12430   for (y = from_y; y <= to_y; y++)
12431     DrawLine(from_x, y, to_x, y, element, change_level);
12432 }
12433
12434 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
12435                        int element, boolean change_level)
12436 {
12437   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
12438   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
12439   int len_x = ABS(to_x - from_x);
12440   int len_y = ABS(to_y - from_y);
12441   int radius, x, y;
12442
12443   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
12444
12445   // not optimal (some points get drawn twice) but simple,
12446   // and fast enough for the few points we are drawing
12447
12448   for (x = 0; x <= radius; x++)
12449   {
12450     int sx, sy, sx2, sy2, lx, ly;
12451
12452     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
12453
12454     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12455     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12456     sx = getLoResScreenPos(sx2);
12457     sy = getLoResScreenPos(sy2);
12458     lx = sx + level_xpos;
12459     ly = sy + level_ypos;
12460
12461     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12462       DrawLineElement(sx2, sy2, element, change_level);
12463   }
12464
12465   for (y = 0; y <= radius; y++)
12466   {
12467     int sx, sy, sx2, sy2, lx, ly;
12468
12469     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
12470
12471     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12472     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12473     sx = getLoResScreenPos(sx2);
12474     sy = getLoResScreenPos(sy2);
12475     lx = sx + level_xpos;
12476     ly = sy + level_ypos;
12477
12478     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12479       DrawLineElement(sx2, sy2, element, change_level);
12480   }
12481 }
12482
12483 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
12484                     int element, boolean change_level)
12485 {
12486   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12487   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12488
12489   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12490 }
12491
12492 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
12493
12494 #if DRAW_CIRCLES_BUTTON_AVAILABLE
12495 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
12496                        int element, boolean change_level)
12497 {
12498   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12499   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12500   int mirror_to_x2 = from_x - (to_x2 - from_x);
12501   int mirror_to_y2 = from_y - (to_y2 - from_y);
12502
12503   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12504   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
12505   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
12506   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
12507 }
12508 #endif
12509
12510 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
12511 {
12512   int from_sx, from_sy;
12513   int to_sx, to_sy;
12514
12515   if (from_x > to_x)
12516     swap_numbers(&from_x, &to_x);
12517
12518   if (from_y > to_y)
12519     swap_numbers(&from_y, &to_y);
12520
12521   from_sx = SX + from_x * ed_tilesize;
12522   from_sy = SY + from_y * ed_tilesize;
12523   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
12524   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
12525
12526   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
12527   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
12528   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
12529   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
12530
12531   if (from_x == to_x && from_y == to_y)
12532     MarkTileDirty(from_x/2, from_y/2);
12533   else
12534     redraw_mask |= REDRAW_FIELD;
12535 }
12536
12537 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
12538                         int element, boolean change_level)
12539 {
12540   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
12541 }
12542
12543 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
12544                        int element, boolean change_level)
12545 {
12546   if (element == -1 || change_level)
12547     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
12548   else
12549     DrawAreaBorder(from_x, from_y, to_x, to_y);
12550 }
12551
12552 // values for CopyBrushExt()
12553 #define CB_AREA_TO_BRUSH                0
12554 #define CB_BRUSH_TO_CURSOR              1
12555 #define CB_BRUSH_TO_LEVEL               2
12556 #define CB_DELETE_OLD_CURSOR            3
12557 #define CB_DUMP_BRUSH                   4
12558 #define CB_DUMP_BRUSH_SMALL             5
12559 #define CB_CLIPBOARD_TO_BRUSH           6
12560 #define CB_BRUSH_TO_CLIPBOARD           7
12561 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
12562 #define CB_UPDATE_BRUSH_POSITION        9
12563 #define CB_FLIP_BRUSH_X                 10
12564 #define CB_FLIP_BRUSH_Y                 11
12565 #define CB_FLIP_BRUSH_XY                12
12566
12567 #define MAX_CB_PART_SIZE        10
12568 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
12569 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
12570 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
12571                                  MAX_CB_NUM_LINES *     \
12572                                  MAX_CB_PART_SIZE)
12573
12574 static int getFlippedTileExt(int map[], int element)
12575 {
12576   int i;
12577
12578   for (i = 0; map[i] != -1; i++)
12579     if (map[i] == element)
12580       return map[i ^ 1];        // get flipped element by flipping LSB of index
12581
12582   return element;
12583 }
12584
12585 static int getFlippedTileX(int element)
12586 {
12587   int map[] =
12588   {
12589     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
12590     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
12591     EL_BUG_LEFT,                        EL_BUG_RIGHT,
12592     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
12593     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
12594     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
12595     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
12596     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
12597     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
12598     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
12599     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
12600     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
12601     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
12602     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
12603     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
12604     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
12605     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
12606     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
12607     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
12608     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
12609     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
12610     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
12611     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
12612     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
12613     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
12614     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
12615     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
12616     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
12617     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
12618     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
12619
12620     -1
12621   };
12622
12623   return getFlippedTileExt(map, element);
12624 }
12625
12626 static int getFlippedTileY(int element)
12627 {
12628   int map[] =
12629   {
12630     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
12631     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
12632     EL_BUG_UP,                          EL_BUG_DOWN,
12633     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
12634     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
12635     EL_ARROW_UP,                        EL_ARROW_DOWN,
12636     EL_MOLE_UP,                         EL_MOLE_DOWN,
12637     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
12638     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
12639     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
12640     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
12641     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
12642     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
12643     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
12644     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
12645     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
12646     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
12647     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
12648     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
12649     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
12650     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
12651     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
12652     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
12653     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
12654
12655     -1
12656   };
12657
12658   return getFlippedTileExt(map, element);
12659 }
12660
12661 static int getFlippedTileXY(int element)
12662 {
12663   int map[] =
12664   {
12665     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
12666     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
12667     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
12668     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
12669     EL_BUG_LEFT,                        EL_BUG_UP,
12670     EL_BUG_RIGHT,                       EL_BUG_DOWN,
12671     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
12672     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
12673     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
12674     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
12675     EL_ARROW_LEFT,                      EL_ARROW_UP,
12676     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
12677     EL_MOLE_LEFT,                       EL_MOLE_UP,
12678     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
12679     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
12680     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
12681     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
12682     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
12683     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
12684     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
12685     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
12686     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
12687     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
12688     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
12689     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
12690     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
12691     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
12692     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
12693     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
12694     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
12695     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
12696     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
12697     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
12698     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
12699     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
12700     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
12701     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
12702     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
12703     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
12704     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
12705     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
12706     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
12707
12708     -1
12709   };
12710
12711   return getFlippedTileExt(map, element);
12712 }
12713
12714 static int getFlippedTile(int element, int mode)
12715 {
12716   if (IS_MM_ELEMENT(element))
12717   {
12718     // get MM game element
12719     element = map_element_RND_to_MM(element);
12720
12721     // get flipped game element
12722     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
12723                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
12724                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
12725                element);
12726
12727     // get RND game element again
12728     element = map_element_MM_to_RND(element);
12729   }
12730   else
12731   {
12732     // get flipped game element
12733     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
12734                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
12735                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
12736                element);
12737   }
12738
12739   return element;
12740 }
12741
12742 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
12743 {
12744   // flip tiles
12745   short tile1_flipped = getFlippedTile(*tile1, mode);
12746   short tile2_flipped = getFlippedTile(*tile2, mode);
12747
12748   // swap tiles
12749   *tile1 = tile2_flipped;
12750   *tile2 = tile1_flipped;
12751 }
12752
12753 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
12754 {
12755   DrawLineElement(sx, sy, element, change_level);
12756 }
12757
12758 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
12759                          int button, int mode)
12760 {
12761   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12762   static int brush_width, brush_height;
12763   static int last_cursor_x = -1, last_cursor_y = -1;
12764   static boolean delete_old_brush = FALSE;
12765   int new_element = BUTTON_ELEMENT(button);
12766   int x, y;
12767
12768   if (mode == CB_DUMP_BRUSH ||
12769       mode == CB_DUMP_BRUSH_SMALL ||
12770       mode == CB_BRUSH_TO_CLIPBOARD ||
12771       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12772   {
12773     if (edit_mode != ED_MODE_DRAWING)
12774       return;
12775
12776     char part[MAX_CB_PART_SIZE + 1] = "";
12777     char text[MAX_CB_TEXT_SIZE + 1] = "";
12778     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
12779     int height = (draw_with_brush ? brush_height : lev_fieldy);
12780     char *format = "%s%03d";
12781
12782     for (y = 0; y < height; y++)
12783       for (x = 0; x < width; x++)
12784         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
12785           format = "%s%04d";
12786
12787     for (y = 0; y < height; y++)
12788     {
12789       for (x = 0; x < width; x++)
12790       {
12791         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
12792         char *prefix = (mode == CB_DUMP_BRUSH ||
12793                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
12794
12795         if (element >= NUM_FILE_ELEMENTS)
12796           element = EL_UNKNOWN;
12797
12798         // copy brush to level sketch text buffer for the R'n'D forum:
12799         // - large tiles: `xxx or `xxxx (0x60 ASCII)
12800         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
12801         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
12802         strcat(text, part);
12803       }
12804
12805       strcat(text, "\n");
12806     }
12807
12808     if (mode == CB_BRUSH_TO_CLIPBOARD ||
12809         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12810       SDL_SetClipboardText(text);
12811     else
12812       Print("%s", text);        // print brush data to console and log file
12813
12814     return;
12815   }
12816
12817   if (mode == CB_CLIPBOARD_TO_BRUSH)
12818   {
12819     if (edit_mode != ED_MODE_DRAWING)
12820       return;
12821
12822     if (!SDL_HasClipboardText())
12823     {
12824       Request("Clipboard is empty!", REQ_CONFIRM);
12825
12826       return;
12827     }
12828
12829     boolean copy_to_brush = (draw_with_brush ||
12830                              drawing_function == GADGET_ID_GRAB_BRUSH);
12831
12832     // this will delete the old brush, if already drawing with a brush
12833     if (copy_to_brush)
12834       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
12835
12836     // initialization is required for "odd" (incomplete) clipboard content
12837     for (x = 0; x < MAX_LEV_FIELDX; x++)
12838       for (y = 0; y < MAX_LEV_FIELDY; y++)
12839         brush_buffer[x][y] = EL_EMPTY;
12840
12841     brush_width  = 0;
12842     brush_height = 0;
12843     x = 0;
12844     y = 0;
12845
12846     char *clipboard_text = SDL_GetClipboardText();
12847     char *ptr = clipboard_text;
12848     boolean allow_new_row = FALSE;
12849     boolean stop = FALSE;
12850
12851     while (*ptr && !stop)
12852     {
12853       boolean prefix_found = FALSE;
12854       boolean start_new_row = FALSE;
12855
12856       // level sketch element number prefixes (may be multi-byte characters)
12857       char *prefix_list[] = { "`", "¸" };
12858       int i;
12859
12860       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
12861       {
12862         char *prefix = prefix_list[i];
12863
12864         // check if string is large enough for prefix
12865         if (strlen(ptr) < strlen(prefix))
12866         {
12867           stop = TRUE;
12868
12869           break;
12870         }
12871
12872         // check if string starts with prefix
12873         if (strPrefix(ptr, prefix))
12874         {
12875           ptr += strlen(prefix);
12876
12877           prefix_found = TRUE;
12878
12879           break;
12880         }
12881       }
12882
12883       // check if prefix found and followed by (at least) three digits
12884       if (prefix_found &&
12885           strlen(ptr) >= 3 &&
12886           ptr[0] >= '0' && ptr[0] <= '9' &&
12887           ptr[1] >= '0' && ptr[1] <= '9' &&
12888           ptr[2] >= '0' && ptr[2] <= '9')
12889       {
12890         int element = ((ptr[0] - '0') * 100 +
12891                        (ptr[1] - '0') * 10 +
12892                        (ptr[2] - '0'));
12893
12894         ptr += 3;
12895
12896         // level sketch element number might consist of four digits
12897         if (ptr[0] >= '0' && ptr[0] <= '9')
12898         {
12899           element = element * 10 + (ptr[0] - '0');
12900           ptr++;
12901         }
12902
12903         // remap some (historic, now obsolete) elements
12904         element = getMappedElement(element);
12905
12906         if (element >= NUM_FILE_ELEMENTS)
12907           element = EL_UNKNOWN;
12908
12909         brush_buffer[x][y] = element;
12910
12911         brush_width  = MAX(x + 1, brush_width);
12912         brush_height = MAX(y + 1, brush_height);
12913
12914         x++;
12915
12916         if (x >= MAX_LEV_FIELDX)
12917           start_new_row = TRUE;
12918
12919         allow_new_row = TRUE;
12920       }
12921       else
12922       {
12923         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
12924           start_new_row = TRUE;
12925
12926         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
12927       }
12928
12929       if (start_new_row)
12930       {
12931         x = 0;
12932         y++;
12933
12934         if (y >= MAX_LEV_FIELDY)
12935           stop = TRUE;
12936
12937         allow_new_row = FALSE;
12938       }
12939     }
12940
12941     SDL_free(clipboard_text);
12942
12943     if (brush_width == 0 || brush_height == 0)
12944     {
12945       Request("No level sketch found in clipboard!", REQ_CONFIRM);
12946
12947       return;
12948     }
12949
12950     if (copy_to_brush)
12951     {
12952       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
12953       int mx, my;
12954
12955       SDL_GetMouseState(&mx, &my);
12956
12957       // if inside drawing area, activate and draw brush at last mouse position
12958       if (mx >= gi->x && mx < gi->x + gi->width &&
12959           my >= gi->y && my < gi->y + gi->height)
12960         CopyBrushToCursor(last_cursor_x, last_cursor_y);
12961
12962       draw_with_brush = TRUE;
12963     }
12964     else
12965     {
12966       char request[100];
12967
12968       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
12969               brush_width, brush_height);
12970
12971       if (!Request(request, REQ_ASK))
12972         return;
12973
12974       for (x = 0; x < MAX_LEV_FIELDX; x++)
12975         for (y = 0; y < MAX_LEV_FIELDY; y++)
12976           Tile[x][y] = brush_buffer[x][y];
12977
12978       lev_fieldx = level.fieldx = brush_width;
12979       lev_fieldy = level.fieldy = brush_height;
12980
12981       boolean use_bd_engine = TRUE;
12982       boolean use_em_engine = TRUE;
12983       boolean use_sp_engine = TRUE;
12984       boolean use_mm_engine = TRUE;
12985
12986       for (x = 0; x < MAX_LEV_FIELDX; x++)
12987       {
12988         for (y = 0; y < MAX_LEV_FIELDY; y++)
12989         {
12990           int element = Tile[x][y];
12991
12992           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
12993             use_bd_engine = FALSE;
12994
12995           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
12996             use_em_engine = FALSE;
12997
12998           if (!IS_SP_ELEMENT(element))
12999             use_sp_engine = FALSE;
13000
13001           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
13002             use_mm_engine = FALSE;
13003         }
13004       }
13005
13006       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
13007                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
13008                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
13009                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
13010                                 GAME_ENGINE_TYPE_RND);
13011
13012       // update element selection list
13013       ReinitializeElementList();
13014       ModifyEditorElementList();
13015
13016       SetBorderElement();
13017
13018       DrawEditModeWindow();
13019       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13020     }
13021
13022     return;
13023   }
13024
13025   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
13026     return;
13027
13028   if (mode == CB_AREA_TO_BRUSH)
13029   {
13030     int from_lx, from_ly;
13031
13032     if (from_x > to_x)
13033       swap_numbers(&from_x, &to_x);
13034
13035     if (from_y > to_y)
13036       swap_numbers(&from_y, &to_y);
13037
13038     brush_width = to_x - from_x + 1;
13039     brush_height = to_y - from_y + 1;
13040
13041     from_lx = from_x + level_xpos;
13042     from_ly = from_y + level_ypos;
13043
13044     for (y = 0; y < brush_height; y++)
13045     {
13046       for (x = 0; x < brush_width; x++)
13047       {
13048         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
13049
13050         if (button != 1)
13051           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
13052       }
13053     }
13054
13055     if (button != 1)
13056       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13057
13058     delete_old_brush = FALSE;
13059   }
13060   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
13061            mode == CB_BRUSH_TO_LEVEL)
13062   {
13063     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
13064     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
13065     int cursor_from_x = cursor_x - brush_width / 2;
13066     int cursor_from_y = cursor_y - brush_height / 2;
13067     int border_from_x = cursor_x, border_from_y = cursor_y;
13068     int border_to_x = cursor_x, border_to_y = cursor_y;
13069
13070     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
13071       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13072
13073     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
13074         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
13075     {
13076       delete_old_brush = FALSE;
13077
13078       return;
13079     }
13080
13081     for (y = 0; y < brush_height; y++)
13082     {
13083       for (x = 0; x < brush_width; x++)
13084       {
13085         int sx = cursor_from_x + x;
13086         int sy = cursor_from_y + y;
13087         int lx = sx + level_xpos;
13088         int ly = sy + level_ypos;
13089         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
13090         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
13091                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
13092                        brush_buffer[x][y] : new_element);
13093
13094         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13095         {
13096           if (sx < border_from_x)
13097             border_from_x = sx;
13098           else if (sx > border_to_x)
13099             border_to_x = sx;
13100           if (sy < border_from_y)
13101             border_from_y = sy;
13102           else if (sy > border_to_y)
13103             border_to_y = sy;
13104
13105           DrawBrushElement(sx, sy, element, change_level);
13106         }
13107       }
13108     }
13109
13110     if (mode != CB_DELETE_OLD_CURSOR)
13111       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
13112
13113     last_cursor_x = cursor_x;
13114     last_cursor_y = cursor_y;
13115
13116     delete_old_brush = TRUE;
13117   }
13118   else if (mode == CB_FLIP_BRUSH_X)
13119   {
13120     for (y = 0; y < brush_height; y++)
13121       for (x = 0; x < (brush_width + 1) / 2; x++)
13122         SwapFlippedTiles(&brush_buffer[x][y],
13123                          &brush_buffer[brush_width - x - 1][y], mode);
13124
13125     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13126   }
13127   else if (mode == CB_FLIP_BRUSH_Y)
13128   {
13129     for (y = 0; y < (brush_height + 1) / 2; y++)
13130       for (x = 0; x < brush_width; x++)
13131         SwapFlippedTiles(&brush_buffer[x][y],
13132                          &brush_buffer[x][brush_height - y - 1], mode);
13133
13134     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13135   }
13136   else if (mode == CB_FLIP_BRUSH_XY)
13137   {
13138     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13139
13140     for (y = 0; y < MAX(brush_width, brush_height); y++)
13141       for (x = 0; x <= y; x++)
13142         SwapFlippedTiles(&brush_buffer[x][y],
13143                          &brush_buffer[y][x], mode);
13144
13145     swap_numbers(&brush_width, &brush_height);
13146
13147     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13148   }
13149
13150   if (mode == CB_UPDATE_BRUSH_POSITION)
13151   {
13152     last_cursor_x = from_x;
13153     last_cursor_y = from_y;
13154   }
13155 }
13156
13157 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
13158                             int button)
13159 {
13160   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
13161 }
13162
13163 static void CopyBrushToLevel(int x, int y, int button)
13164 {
13165   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
13166 }
13167
13168 static void CopyBrushToCursor(int x, int y)
13169 {
13170   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13171 }
13172
13173 static void UpdateBrushPosition(int x, int y)
13174 {
13175   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
13176 }
13177
13178 static void DeleteBrushFromCursor(void)
13179 {
13180   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13181 }
13182
13183 static void FlipBrushX(void)
13184 {
13185   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
13186 }
13187
13188 static void FlipBrushY(void)
13189 {
13190   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
13191 }
13192
13193 static void RotateBrush(void)
13194 {
13195   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
13196   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
13197 }
13198
13199 void DumpBrush(void)
13200 {
13201   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
13202 }
13203
13204 void DumpBrush_Small(void)
13205 {
13206   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
13207 }
13208
13209 void CopyClipboardToBrush(void)
13210 {
13211   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
13212 }
13213
13214 void CopyBrushToClipboard(void)
13215 {
13216   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
13217 }
13218
13219 void CopyBrushToClipboard_Small(void)
13220 {
13221   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
13222 }
13223
13224 void UndoLevelEditorOperation(void)
13225 {
13226   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
13227 }
13228
13229 void RedoLevelEditorOperation(void)
13230 {
13231   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13232 }
13233
13234 static void FloodFill(int from_x, int from_y, int fill_element)
13235 {
13236   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
13237 }
13238
13239 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
13240 {
13241   int from_x = from_sx2 + 2 * level_xpos;
13242   int from_y = from_sy2 + 2 * level_ypos;
13243   int max_fillx = lev_fieldx * 2;
13244   int max_filly = lev_fieldy * 2;
13245   short Fill[max_fillx][max_filly];
13246   int x, y;
13247
13248   for (x = 0; x < max_fillx; x++)
13249     for (y = 0; y < max_filly; y++)
13250       Fill[x][y] = getLevelElementHiRes(x, y);
13251
13252   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
13253                     Fill, max_fillx, max_filly);
13254
13255   for (x = 0; x < max_fillx; x++)
13256     for (y = 0; y < max_filly; y++)
13257       if (Fill[x][y] == fill_element)
13258         SetLevelElementHiRes(x, y, Fill[x][y]);
13259 }
13260
13261 // values for DrawLevelText() modes
13262 #define TEXT_INIT               0
13263 #define TEXT_SETCURSOR          1
13264 #define TEXT_WRITECHAR          2
13265 #define TEXT_BACKSPACE          3
13266 #define TEXT_NEWLINE            4
13267 #define TEXT_END                5
13268 #define TEXT_QUERY_TYPING       6
13269
13270 static int DrawLevelText(int sx, int sy, char letter, int mode)
13271 {
13272   static short delete_buffer[MAX_LEV_FIELDX];
13273   static int start_sx;
13274   static int last_sx, last_sy;
13275   static boolean typing = FALSE;
13276   int letter_element;
13277   int lx = 0, ly = 0;
13278
13279   // map lower case letters to upper case and convert special characters
13280   if (letter >= 'a' && letter <= 'z')
13281     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
13282   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
13283     letter_element = EL_CHAR_AUMLAUT;
13284   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
13285     letter_element = EL_CHAR_OUMLAUT;
13286   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
13287     letter_element = EL_CHAR_UUMLAUT;
13288   else if (letter == '^')
13289     letter_element = EL_CHAR_COPYRIGHT;
13290   else
13291     letter_element = EL_CHAR_ASCII0 + letter;
13292
13293   if (mode != TEXT_INIT)
13294   {
13295     if (!typing)
13296       return FALSE;
13297
13298     if (mode != TEXT_SETCURSOR)
13299     {
13300       sx = last_sx;
13301       sy = last_sy;
13302     }
13303
13304     lx = last_sx + level_xpos;
13305     ly = last_sy + level_ypos;
13306   }
13307
13308   switch (mode)
13309   {
13310     case TEXT_INIT:
13311       if (typing)
13312         DrawLevelText(0, 0, 0, TEXT_END);
13313
13314       typing = TRUE;
13315       start_sx = sx;
13316       last_sx = sx;
13317       last_sy = sy;
13318       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
13319       break;
13320
13321     case TEXT_SETCURSOR:
13322       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
13323       DrawAreaBorder(sx, sy, sx, sy);
13324       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
13325                      ed_tilesize, ed_tilesize);
13326       last_sx = sx;
13327       last_sy = sy;
13328       break;
13329
13330     case TEXT_WRITECHAR:
13331       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
13332       {
13333         if (new_element1 >= EL_STEEL_CHAR_START &&
13334             new_element1 <= EL_STEEL_CHAR_END)
13335           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
13336
13337         delete_buffer[sx - start_sx] = Tile[lx][ly];
13338         Tile[lx][ly] = letter_element;
13339
13340         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
13341           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
13342         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
13343           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
13344         else
13345           DrawLevelText(0, 0, 0, TEXT_END);
13346
13347         level.changed = TRUE;
13348       }
13349       break;
13350
13351     case TEXT_BACKSPACE:
13352       if (sx > start_sx)
13353       {
13354         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
13355         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
13356         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
13357       }
13358       break;
13359
13360     case TEXT_NEWLINE:
13361       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
13362         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
13363       else
13364         DrawLevelText(0, 0, 0, TEXT_END);
13365       break;
13366
13367     case TEXT_END:
13368       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13369       DrawEditorElement(sx, sy, Tile[lx][ly]);
13370       StopTextInput();
13371       typing = FALSE;
13372       break;
13373
13374     case TEXT_QUERY_TYPING:
13375       break;
13376
13377     default:
13378       break;
13379   }
13380
13381   return typing;
13382 }
13383
13384 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
13385                           int element, boolean change_level)
13386 {
13387   int lx = sx + level_xpos;
13388   int ly = sy + level_ypos;
13389
13390   if (element == -1)
13391     DrawEditorElement(sx, sy, Tile[lx][ly]);
13392   else
13393     DrawAreaBorder(sx, sy, sx, sy);
13394 }
13395
13396 static void CheckLevelBorderElement(boolean redraw_playfield)
13397 {
13398   int last_border_element = BorderElement;
13399
13400   SetBorderElement();
13401
13402   if (redraw_playfield && BorderElement != last_border_element)
13403     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13404 }
13405
13406 static void CopyLevelToUndoBuffer(int mode)
13407 {
13408   static boolean accumulated_undo = FALSE;
13409   boolean new_undo_buffer_position = TRUE;
13410   int x, y;
13411
13412   if (undo_buffer_steps == 0)
13413     accumulated_undo = FALSE;
13414
13415   switch (mode)
13416   {
13417     case UNDO_IMMEDIATE:
13418       accumulated_undo = FALSE;
13419       break;
13420
13421     case UNDO_ACCUMULATE:
13422       if (accumulated_undo)
13423         new_undo_buffer_position = FALSE;
13424       accumulated_undo = TRUE;
13425       break;
13426
13427     default:
13428       break;
13429   }
13430
13431   if (new_undo_buffer_position)
13432   {
13433     // advance position in undo buffer ring
13434     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13435
13436     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
13437       undo_buffer_steps++;
13438   }
13439
13440   // always reset redo buffer when storing level change into undo buffer
13441   redo_buffer_steps = 0;
13442
13443   for (x = 0; x < lev_fieldx; x++)
13444     for (y = 0; y < lev_fieldy; y++)
13445       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
13446
13447   // check if drawing operation forces change of border style
13448   CheckLevelBorderElement(TRUE);
13449
13450   level.changed = TRUE;
13451 }
13452
13453 static void RandomPlacement(int new_element)
13454 {
13455   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13456   int num_free_positions = 0;
13457   int num_percentage, num_elements;
13458   int x, y;
13459
13460   ResetIntelliDraw();
13461
13462   // determine number of free positions for randomly placing the new element
13463   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
13464   {
13465     free_position[x][y] =
13466       (random_placement_background_restricted ?
13467        Tile[x][y] == random_placement_background_element :
13468        Tile[x][y] != new_element);
13469
13470     if (free_position[x][y])
13471       num_free_positions++;
13472   }
13473
13474   // determine number of new elements to place there
13475   num_percentage = num_free_positions * random_placement_value / 100;
13476   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
13477                   num_percentage : random_placement_value);
13478
13479   // if less free positions than elements to place, fill all these positions
13480   if (num_free_positions < num_elements)
13481   {
13482     for (x = 0; x < lev_fieldx; x++)
13483       for (y = 0; y < lev_fieldy; y++)
13484         if (free_position[x][y])
13485           SetElement(x, y, new_element);
13486   }
13487   else
13488   {
13489     while (num_elements > 0)
13490     {
13491       x = GetSimpleRandom(lev_fieldx);
13492       y = GetSimpleRandom(lev_fieldy);
13493
13494       // don't place element at the same position twice
13495       if (free_position[x][y])
13496       {
13497         free_position[x][y] = FALSE;
13498         SetElement(x, y, new_element);
13499         num_elements--;
13500       }
13501     }
13502   }
13503
13504   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13505   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13506 }
13507
13508 static void WrapLevel(int dx, int dy)
13509 {
13510   int wrap_dx = lev_fieldx - dx;
13511   int wrap_dy = lev_fieldy - dy;
13512   int x, y;
13513
13514   for (x = 0; x < lev_fieldx; x++)
13515     for (y = 0; y < lev_fieldy; y++)
13516       TileBackup[x][y] = Tile[x][y];
13517
13518   for (x = 0; x < lev_fieldx; x++)
13519     for (y = 0; y < lev_fieldy; y++)
13520       Tile[x][y] =
13521         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
13522
13523   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13524   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
13525 }
13526
13527 static void DrawAreaElementHighlight(boolean highlighted,
13528                                      boolean highlighted_similar)
13529 {
13530   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13531
13532   if (!highlighted)
13533     return;
13534
13535   int x, y;
13536
13537   for (x = 0; x < ed_fieldx; x++)
13538   {
13539     for (y = 0; y < ed_fieldy; y++)
13540     {
13541       boolean highlight = FALSE;
13542       int lx = x + level_xpos;
13543       int ly = y + level_ypos;
13544
13545       if (!IN_LEV_FIELD(lx, ly))
13546         continue;
13547
13548       // check if element is the same
13549       if (Tile[lx][ly] == new_element1)
13550         highlight = TRUE;
13551
13552       // check if element is similar
13553       if (highlighted_similar &&
13554           strEqual(element_info[Tile[lx][ly]].class_name,
13555                    element_info[new_element1].class_name))
13556         highlight = TRUE;
13557
13558       // check if element is matching MM style wall
13559       if (IS_MM_WALL(Tile[lx][ly]) &&
13560           map_mm_wall_element(Tile[lx][ly]) == new_element1)
13561         highlight = TRUE;
13562
13563       if (!highlight)
13564         continue;
13565
13566       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
13567       {
13568         int i;
13569
13570         for (i = 0; i < 4; i++)
13571         {
13572           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
13573             continue;
13574
13575           int xx = x * 2 + (i % 2);
13576           int yy = y * 2 + (i / 2);
13577           int sx = SX + xx * ed_tilesize / 2;
13578           int sy = SY + yy * ed_tilesize / 2;
13579           int from_sx = sx;
13580           int from_sy = sy;
13581           int to_sx = sx + ed_tilesize / 2 - 1;
13582           int to_sy = sy + ed_tilesize / 2 - 1;
13583
13584           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
13585           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
13586           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
13587           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
13588         }
13589       }
13590       else
13591       {
13592         int sx = SX + x * ed_tilesize;
13593         int sy = SY + y * ed_tilesize;
13594         int from_sx = sx;
13595         int from_sy = sy;
13596         int to_sx = sx + ed_tilesize - 1;
13597         int to_sy = sy + ed_tilesize - 1;
13598
13599         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
13600         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
13601         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
13602         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
13603       }
13604     }
13605   }
13606 }
13607
13608 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
13609 {
13610   char *template_filename_old = getLocalLevelTemplateFilename();
13611   char *template_filename_new =
13612     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
13613
13614   if (copyFile(template_filename_old, template_filename_new) != 0)
13615     Request("Cannot copy level template!", REQ_CONFIRM);
13616
13617   free(template_filename_new);
13618 }
13619
13620 static void HandleDrawingAreas(struct GadgetInfo *gi)
13621 {
13622   static boolean started_inside_drawing_area = FALSE;
13623   static int last_sx = -1;
13624   static int last_sy = -1;
13625   static int last_sx2 = -1;
13626   static int last_sy2 = -1;
13627   int id = gi->custom_id;
13628   int type_id = gi->custom_type_id;
13629   boolean button_press_event;
13630   boolean button_release_event;
13631   boolean inside_drawing_area = !gi->event.off_borders;
13632   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
13633   int actual_drawing_function;
13634   int button = gi->event.button;
13635   int new_element = BUTTON_ELEMENT(button);
13636   int sx = gi->event.x, sy = gi->event.y;
13637   int min_sx = 0, min_sy = 0;
13638   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
13639   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
13640   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
13641   int sx2 = gi->event.mx / mini_item_xsize;
13642   int sy2 = gi->event.my / mini_item_ysize;
13643   int dx = sx2 % 2;
13644   int dy = sy2 % 2;
13645   int lx = 0, ly = 0;
13646   int x, y;
13647
13648   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
13649   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
13650
13651   // make sure to stay inside drawing area boundaries
13652   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
13653   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
13654
13655   if (draw_level)
13656   {
13657     int min_lx = 0, min_ly = 0;
13658     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
13659
13660     // get positions inside level field
13661     lx = sx + level_xpos;
13662     ly = sy + level_ypos;
13663
13664     if (!IN_LEV_FIELD(lx, ly))
13665       inside_drawing_area = FALSE;
13666
13667     // make sure to stay inside level field boundaries
13668     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
13669     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
13670
13671     // correct drawing area positions accordingly
13672     sx = lx - level_xpos;
13673     sy = ly - level_ypos;
13674   }
13675
13676   // also correct MM wall-sized (double) drawing area positions accordingly
13677   if (sx2 / 2 < sx || sx2 / 2 > sx)
13678   {
13679     dx = (sx2 / 2 < sx ? 0 : 1);
13680     sx2 = sx * 2 + dx;
13681   }
13682   if (sy2 / 2 < sy || sy2 / 2 > sy)
13683   {
13684     dy = (sy2 / 2 < sy ? 0 : 1);
13685     sy2 = sy * 2 + dy;
13686   }
13687
13688   if (!button_press_event && !button_release_event)
13689   {
13690     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
13691     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13692                              isHiresTileElement(old_element) &&
13693                              isHiresDrawElement(new_element));
13694
13695     // prevent handling events for every pixel position when moving mouse
13696     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
13697         (sx2 == last_sx2 && sy2 == last_sy2))
13698       return;
13699   }
13700
13701   last_sx = sx;
13702   last_sy = sy;
13703   last_sx2 = sx2;
13704   last_sy2 = sy2;
13705
13706   if (button_press_event)
13707     started_inside_drawing_area = inside_drawing_area;
13708
13709   if (!started_inside_drawing_area)
13710     return;
13711
13712   if (!IS_VALID_BUTTON(button))
13713     return;
13714
13715   // handle info callback for each invocation of action callback
13716   gi->callback_info(gi);
13717
13718   // automatically switch to 'single item' drawing mode, if needed
13719   actual_drawing_function =
13720     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
13721      drawing_function : GADGET_ID_SINGLE_ITEMS);
13722
13723   // clicking into drawing area with pressed Control key picks element
13724   if (GetKeyModState() & KMOD_Control)
13725   {
13726     last_drawing_function = drawing_function;
13727     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13728   }
13729
13730   if (GetKeyModState() & KMOD_Shift)
13731   {
13732     if (button_press_event || button_release_event)
13733       ResetIntelliDraw();
13734   }
13735
13736   SetDrawModeHiRes(-1);         // reset to normal draw mode
13737
13738   switch (actual_drawing_function)
13739   {
13740     case GADGET_ID_SINGLE_ITEMS:
13741       if (draw_level)
13742       {
13743         if (button_release_event)
13744         {
13745           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13746
13747           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
13748               !inside_drawing_area)
13749             DeleteBrushFromCursor();
13750
13751           break;
13752         }
13753
13754         if (draw_with_brush)
13755         {
13756           CopyBrushToLevel(sx, sy, button);
13757         }
13758         else
13759         {
13760           SetDrawModeHiRes(new_element);
13761
13762           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
13763           {
13764             // remove player at old position
13765             for (y = 0; y < lev_fieldy; y++)
13766             {
13767               for (x = 0; x < lev_fieldx; x++)
13768               {
13769                 int old_element = Tile[x][y];
13770
13771                 if (IS_PLAYER_ELEMENT(old_element) &&
13772                     IS_PLAYER_ELEMENT(new_element))
13773                 {
13774                   int replaced_with_element =
13775                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
13776                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
13777
13778                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
13779                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
13780
13781                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
13782                      old_element == EL_PLAYER_1 ? EL_EMPTY :
13783
13784                      new_element >= EL_PLAYER_1 &&
13785                      new_element <= EL_PLAYER_4 &&
13786                      new_element == old_element ? EL_EMPTY :
13787
13788                      old_element);
13789
13790                   SetElement(x, y, replaced_with_element);
13791                 }
13792                 else if (IS_MM_MCDUFFIN(old_element) &&
13793                          IS_MM_MCDUFFIN(new_element))
13794                 {
13795                   // remove McDuffin at old position
13796                   SetElement(x, y, EL_EMPTY);
13797                 }
13798               }
13799             }
13800           }
13801
13802           SetElementButton(lx, ly, dx, dy, new_element, button);
13803         }
13804       }
13805       else if (!button_release_event)
13806       {
13807         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13808
13809         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
13810           DrawMiniGraphicExt(drawto,
13811                              gi->x + sx * MINI_TILEX,
13812                              gi->y + sy * MINI_TILEY,
13813                              el2edimg(new_element));
13814         else
13815           DrawFixedGraphicExt(drawto,
13816                               gi->x + sx * TILEX,
13817                               gi->y + sy * TILEY,
13818                               el2edimg(new_element), 0);
13819
13820         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13821           new_element = GFX_ELEMENT(new_element);
13822
13823         drawingarea_info[type_id].value[pos] = new_element;
13824
13825         CopyElementPropertiesToGame(properties_element);
13826
13827         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13828         {
13829           UpdateCustomElementGraphicGadgets();
13830
13831           FrameCounter = 0;     // restart animation frame counter
13832         }
13833       }
13834       break;
13835
13836     case GADGET_ID_CONNECTED_ITEMS:
13837       {
13838         static int last_sx = -1;
13839         static int last_sy = -1;
13840
13841         if (button_release_event)
13842           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13843
13844         SetDrawModeHiRes(new_element);
13845
13846         if (getDrawModeHiRes())
13847         {
13848           sx = sx2;
13849           sy = sy2;
13850         }
13851
13852         if (!button_press_event)
13853           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
13854
13855         last_sx = sx;
13856         last_sy = sy;
13857       }
13858       break;
13859
13860     case GADGET_ID_LINE:
13861     case GADGET_ID_ARC:
13862     case GADGET_ID_RECTANGLE:
13863     case GADGET_ID_FILLED_BOX:
13864       SetDrawModeHiRes(new_element);
13865
13866       if (getDrawModeHiRes())
13867       {
13868         sx = sx2;
13869         sy = sy2;
13870       }
13871       // FALLTHROUGH
13872     case GADGET_ID_GRAB_BRUSH:
13873     case GADGET_ID_TEXT:
13874       {
13875         static int last_sx = -1;
13876         static int last_sy = -1;
13877         static int start_sx = -1;
13878         static int start_sy = -1;
13879         void (*draw_func)(int, int, int, int, int, boolean);
13880
13881         if (drawing_function == GADGET_ID_LINE)
13882           draw_func = DrawLine;
13883         else if (drawing_function == GADGET_ID_ARC)
13884           draw_func = DrawArc;
13885         else if (drawing_function == GADGET_ID_RECTANGLE)
13886           draw_func = DrawBox;
13887         else if (drawing_function == GADGET_ID_FILLED_BOX)
13888           draw_func = DrawFilledBox;
13889         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
13890           draw_func = SelectArea;
13891         else // (drawing_function == GADGET_ID_TEXT)
13892           draw_func = SetTextCursor;
13893
13894         if (button_press_event)
13895         {
13896           draw_func(sx, sy, sx, sy, new_element, FALSE);
13897           start_sx = last_sx = sx;
13898           start_sy = last_sy = sy;
13899
13900           if (drawing_function == GADGET_ID_TEXT)
13901             DrawLevelText(0, 0, 0, TEXT_END);
13902         }
13903         else if (button_release_event)
13904         {
13905           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
13906           if (drawing_function == GADGET_ID_GRAB_BRUSH)
13907           {
13908             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
13909             CopyBrushToCursor(sx, sy);
13910             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13911                           MB_LEFTBUTTON);
13912             draw_with_brush = TRUE;
13913           }
13914           else if (drawing_function == GADGET_ID_TEXT)
13915             DrawLevelText(sx, sy, 0, TEXT_INIT);
13916           else
13917             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13918         }
13919         else if (last_sx != sx || last_sy != sy)
13920         {
13921           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
13922           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
13923             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
13924           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
13925           last_sx = sx;
13926           last_sy = sy;
13927         }
13928       }
13929       break;
13930
13931     case GADGET_ID_FLOOD_FILL:
13932       if (button_press_event && Tile[lx][ly] != new_element)
13933       {
13934         if (IS_MM_WALL_EDITOR(new_element))
13935           FloodFillWall_MM(sx2, sy2, new_element);
13936         else
13937           FloodFill(lx, ly, new_element);
13938
13939         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13940         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13941       }
13942       break;
13943
13944     case GADGET_ID_PICK_ELEMENT:
13945       if (button_release_event)
13946         ClickOnGadget(level_editor_gadget[last_drawing_function],
13947                       MB_LEFTBUTTON);
13948       else if (draw_level)
13949         PickDrawingElement(button, Tile[lx][ly]);
13950       else
13951       {
13952         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13953
13954         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
13955       }
13956
13957     default:
13958       break;
13959   }
13960
13961   // do not mark level as modified for certain non-level-changing gadgets
13962   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
13963        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
13964       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
13965       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13966     return;
13967
13968   level.changed = TRUE;
13969 }
13970
13971 static void HandleCounterButtons(struct GadgetInfo *gi)
13972 {
13973   int gadget_id = gi->custom_id;
13974   int counter_id = gi->custom_type_id;
13975   int button = gi->event.button;
13976   int *counter_value = counterbutton_info[counter_id].value;
13977   int step = BUTTON_STEPSIZE(button) *
13978     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
13979
13980   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13981   {
13982     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
13983     boolean released = (gi->event.type == GD_EVENT_RELEASED);
13984     boolean level_changed = LevelChanged();
13985
13986     if ((level_changed && pressed) || (!level_changed && released))
13987       return;
13988
13989     if (level_changed && !Request("Level has changed! Discard changes?",
13990                                   REQ_ASK))
13991     {
13992       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13993         ModifyEditorCounterValue(counter_id, *counter_value);
13994
13995       return;
13996     }
13997   }
13998
13999   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14000     *counter_value = gi->textinput.number_value;
14001   else
14002     ModifyEditorCounterValue(counter_id, *counter_value + step);
14003
14004   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14005   {
14006     int last_game_engine_type = level.game_engine_type;
14007
14008     LoadLevel(level_nr);
14009     LoadScore(level_nr);
14010
14011     SaveLevelSetup_SeriesInfo();
14012
14013     TapeErase();
14014
14015     ResetUndoBuffer();
14016     DrawEditModeWindow();
14017
14018     if (level.game_engine_type != last_game_engine_type)
14019     {
14020       // update element selection list
14021       ReinitializeElementList();
14022       ModifyEditorElementList();
14023     }
14024
14025     return;
14026   }
14027
14028   switch (counter_id)
14029   {
14030     case ED_COUNTER_ID_YAMYAM_CONTENT:
14031       DrawYamYamContentAreas();
14032       break;
14033
14034     case ED_COUNTER_ID_BALL_CONTENT:
14035       DrawMagicBallContentAreas();
14036       break;
14037
14038     case ED_COUNTER_ID_ANDROID_CONTENT:
14039       DrawAndroidElementArea();
14040       break;
14041
14042     case ED_COUNTER_ID_GROUP_CONTENT:
14043       DrawGroupElementArea();
14044       CopyGroupElementPropertiesToGame(properties_element);
14045       break;
14046
14047     case ED_COUNTER_ID_INVENTORY_SIZE:
14048       DrawPlayerInitialInventoryArea(properties_element);
14049       break;
14050
14051     case ED_COUNTER_ID_MM_BALL_CONTENT:
14052       DrawMMBallContentArea();
14053       break;
14054
14055     case ED_COUNTER_ID_ENVELOPE_XSIZE:
14056     case ED_COUNTER_ID_ENVELOPE_YSIZE:
14057       DrawEnvelopeTextArea(-1);
14058       break;
14059
14060     case ED_COUNTER_ID_LEVEL_XSIZE:
14061     case ED_COUNTER_ID_LEVEL_YSIZE:
14062       lev_fieldx = level.fieldx;
14063       lev_fieldy = level.fieldy;
14064
14065       // check if resizing of level results in change of border border
14066       SetBorderElement();
14067
14068       break;
14069
14070     default:
14071       break;
14072   }
14073
14074   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
14075        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
14076       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
14077        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
14078     CopyElementPropertiesToGame(properties_element);
14079
14080   // do not mark level as modified for certain non-level-changing gadgets
14081   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
14082        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
14083       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
14084        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
14085     return;
14086
14087   level.changed = TRUE;
14088 }
14089
14090 static void HandleTextInputGadgets(struct GadgetInfo *gi)
14091 {
14092   int type_id = gi->custom_type_id;
14093
14094   strcpy(textinput_info[type_id].value, gi->textinput.value);
14095
14096   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
14097   {
14098     CopyElementPropertiesToGame(properties_element);
14099
14100     ModifyEditorElementList();  // update changed button info text
14101   }
14102
14103   // do not mark level as modified for certain non-level-changing gadgets
14104   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
14105       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
14106     return;
14107
14108   level.changed = TRUE;
14109 }
14110
14111 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
14112 {
14113   int type_id = gi->custom_type_id;
14114
14115   strncpy(textarea_info[type_id].value, gi->textarea.value,
14116           MAX_ENVELOPE_TEXT_LEN);
14117   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
14118
14119   level.changed = TRUE;
14120 }
14121
14122 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
14123 {
14124   int type_id = gi->custom_type_id;
14125   int value_old = *selectbox_info[type_id].value;
14126   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
14127
14128   *selectbox_info[type_id].value = value_new;
14129
14130   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
14131   {
14132     DrawLevelConfigWindow();
14133   }
14134   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
14135   {
14136     element_info[properties_element].current_change_page = gi->selectbox.index;
14137
14138     DrawPropertiesWindow();
14139   }
14140   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
14141             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
14142            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
14143             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
14144            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
14145   {
14146     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
14147     {
14148       // when changing action type, also check action mode and action arg
14149       if (value_old != value_new)
14150         setSelectboxSpecialActionVariablesIfNeeded();
14151
14152       DrawPropertiesChange();
14153     }
14154
14155     CopyElementPropertiesToGame(properties_element);
14156   }
14157   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
14158   {
14159     // update element selection list
14160     ReinitializeElementList();
14161     ModifyEditorElementList();
14162   }
14163
14164   // do not mark level as modified for certain non-level-changing gadgets
14165   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
14166       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
14167     return;
14168
14169   level.changed = TRUE;
14170 }
14171
14172 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
14173 {
14174   int type_id = gi->custom_type_id;
14175   int i;
14176
14177   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
14178       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
14179   {
14180     edit_mode_levelconfig = gi->custom_type_id;
14181
14182     DrawLevelConfigWindow();
14183   }
14184   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
14185            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
14186   {
14187     edit_mode_properties = gi->custom_type_id;
14188
14189     DrawPropertiesWindow();
14190   }
14191   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
14192            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
14193   {
14194     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
14195
14196     // backup original "level.field" (needed to track playfield changes)
14197     CopyPlayfield(level.field, TileBackup);
14198
14199     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
14200     CopyPlayfield(Tile, level.field);
14201
14202     if (new_template ||
14203         Request("Save this template and kill the old?", REQ_ASK))
14204       SaveLevelTemplate();
14205
14206     if (new_template)
14207       Request("Template saved!", REQ_CONFIRM);
14208
14209     // restore original "level.field" (needed to track playfield changes)
14210     CopyPlayfield(TileBackup, level.field);
14211   }
14212   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
14213   {
14214     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
14215
14216     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
14217         leveldir_current->readonly)
14218     {
14219       Request("This level set is read-only!", REQ_CONFIRM);
14220
14221       return;
14222     }
14223
14224     if (strEqual(levelset_name, ""))
14225     {
14226       Request("Please enter level set title!", REQ_CONFIRM);
14227
14228       return;
14229     }
14230
14231     if (strEqual(levelset_author, ""))
14232     {
14233       Request("Please enter level set author!", REQ_CONFIRM);
14234
14235       return;
14236     }
14237
14238     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
14239     {
14240       if (UpdateUserLevelSet(levelset_subdir,
14241                              levelset_name,
14242                              levelset_author,
14243                              levelset_num_levels))
14244       {
14245         Request("Level set updated!", REQ_CONFIRM);
14246       }
14247       else
14248       {
14249         Request("Updating level set failed!", REQ_CONFIRM);
14250       }
14251     }
14252     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
14253     {
14254       if (level.changed && !Request("Level has changed! Discard changes?",
14255                                      REQ_ASK))
14256         return;
14257
14258       if (CreateUserLevelSet(levelset_subdir,
14259                              levelset_name,
14260                              levelset_author,
14261                              levelset_num_levels,
14262                              levelset_use_levelset_artwork))
14263       {
14264         if (levelset_copy_level_template)
14265           CopyLevelTemplateToUserLevelSet(levelset_subdir);
14266
14267         Request("New level set created!", REQ_CONFIRM);
14268
14269         AddUserLevelSetToLevelInfo(levelset_subdir);
14270         ChangeEditorToLevelSet(levelset_subdir);
14271       }
14272       else
14273       {
14274         Request("Creating new level set failed!", REQ_CONFIRM);
14275       }
14276     }
14277   }
14278   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
14279            custom_element.num_change_pages < MAX_CHANGE_PAGES)
14280   {
14281     struct ElementInfo *ei = &element_info[properties_element];
14282
14283     // when modifying custom element, ask for copying level template
14284     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14285       return;
14286
14287     setElementChangePages(ei, ei->num_change_pages + 1);
14288
14289     // set new change page to be new current change page
14290     ei->current_change_page = ei->num_change_pages - 1;
14291     ei->change = &ei->change_page[ei->current_change_page];
14292
14293     setElementChangeInfoToDefaults(ei->change);
14294
14295     DrawPropertiesWindow();
14296
14297     level.changed = TRUE;
14298   }
14299   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
14300            custom_element.num_change_pages > MIN_CHANGE_PAGES)
14301   {
14302     struct ElementInfo *ei = &element_info[properties_element];
14303
14304     // when modifying custom element, ask for copying level template
14305     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14306       return;
14307
14308     // copy all change pages after change page to be deleted
14309     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
14310       ei->change_page[i] = ei->change_page[i + 1];
14311
14312     setElementChangePages(ei, ei->num_change_pages - 1);
14313
14314     DrawPropertiesWindow();
14315
14316     level.changed = TRUE;
14317   }
14318 }
14319
14320 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
14321 {
14322   int type_id = gi->custom_type_id;
14323
14324   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
14325       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
14326   {
14327     struct ElementInfo *ei = &element_info[properties_element];
14328     int step = BUTTON_STEPSIZE(gi->event.button);
14329
14330     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
14331     ei->current_change_page += step;
14332
14333     if (ei->current_change_page < 0)
14334       ei->current_change_page = 0;
14335     else if (ei->current_change_page >= ei->num_change_pages)
14336       ei->current_change_page = ei->num_change_pages - 1;
14337
14338     DrawPropertiesWindow();
14339   }
14340   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
14341            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
14342   {
14343     struct ElementInfo *ei = &element_info[properties_element];
14344     int current_change_page = ei->current_change_page;
14345
14346     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
14347     {
14348       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
14349         ei->change_page[current_change_page];
14350     }
14351     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
14352     {
14353       // when modifying custom element, ask for copying level template
14354       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14355         return;
14356
14357       ei->change_page[current_change_page] =
14358         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
14359
14360       level.changed = TRUE;
14361     }
14362
14363     DrawPropertiesWindow();
14364   }
14365 }
14366
14367 static void HandleRadiobuttons(struct GadgetInfo *gi)
14368 {
14369   int type_id = gi->custom_type_id;
14370
14371   *radiobutton_info[type_id].value =
14372     radiobutton_info[type_id].checked_value;
14373
14374   // do not mark level as modified for certain non-level-changing gadgets
14375   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
14376       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
14377     return;
14378
14379   level.changed = TRUE;
14380 }
14381
14382 static void HandleCheckbuttons(struct GadgetInfo *gi)
14383 {
14384   int type_id = gi->custom_type_id;
14385
14386   *checkbutton_info[type_id].value ^= TRUE;
14387
14388   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
14389       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
14390       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
14391       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
14392          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
14393         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
14394          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
14395        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
14396   {
14397     CopyElementPropertiesToGame(properties_element);
14398   }
14399
14400   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
14401   {
14402     UpdateCustomElementGraphicGadgets();
14403   }
14404   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
14405            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
14406   {
14407     boolean template_related_changes_found = FALSE;
14408     int i;
14409
14410     // check if any custom, group or empty elements have been changed
14411     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
14412       if ((IS_CUSTOM_ELEMENT(i) ||
14413            IS_GROUP_ELEMENT(i) ||
14414            IS_EMPTY_ELEMENT(i)) &&
14415           element_info[i].modified_settings)
14416         template_related_changes_found = TRUE;
14417
14418     if (level.use_custom_template &&
14419         !fileExists(getGlobalLevelTemplateFilename()))
14420     {
14421       Request("No level template found!", REQ_CONFIRM);
14422
14423       level.use_custom_template = FALSE;
14424
14425       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
14426
14427       return;
14428     }
14429
14430     if (level.use_custom_template &&
14431         template_related_changes_found &&
14432         !Request("Discard changes and use level template?", REQ_ASK))
14433     {
14434       level.use_custom_template = FALSE;
14435
14436       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
14437
14438       return;
14439     }
14440
14441     if (!level.use_custom_template &&
14442         Request("Copy settings from level template?", REQ_ASK))
14443     {
14444       return;
14445     }
14446
14447     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
14448
14449     DrawEditModeWindow();
14450   }
14451   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
14452   {
14453     if (setup.editor.use_template_for_new_levels &&
14454         !fileExists(getGlobalLevelTemplateFilename()))
14455     {
14456       Request("No level template found!", REQ_CONFIRM);
14457
14458       return;
14459     }
14460
14461     if (setup.editor.use_template_for_new_levels &&
14462         level.changed &&
14463         !Request("Discard level and load template?", REQ_ASK))
14464     {
14465       return;
14466     }
14467
14468     if (!setup.editor.use_template_for_new_levels &&
14469         level.changed &&
14470         !Request("Discard level and use empty level?", REQ_ASK))
14471     {
14472       return;
14473     }
14474
14475     LoadLevel(level_nr);
14476     LoadScore(level_nr);
14477
14478     TapeErase();
14479
14480     ResetUndoBuffer();
14481     DrawEditModeWindow();
14482   }
14483   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
14484   {
14485     SetAutomaticNumberOfGemsNeeded();
14486   }
14487
14488   // do not mark level as modified for certain non-level-changing gadgets
14489   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
14490        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
14491       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
14492        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
14493        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
14494       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
14495     return;
14496
14497   level.changed = TRUE;
14498 }
14499
14500 static void HandleControlButtons(struct GadgetInfo *gi)
14501 {
14502   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
14503   static int last_edit_mode = ED_MODE_DRAWING;
14504   static int last_custom_copy_mode = -1;
14505   static int last_button = 0;
14506   int id = gi->custom_id;
14507   int button = gi->event.button;
14508   int step = BUTTON_STEPSIZE(button);
14509   int new_element = BUTTON_ELEMENT(button);
14510   int last_properties_element = properties_element;
14511   int x, y;
14512
14513   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
14514     DrawLevelText(0, 0, 0, TEXT_END);
14515
14516   if (id < ED_NUM_CTRL1_BUTTONS &&
14517       id != GADGET_ID_SINGLE_ITEMS &&
14518       id != GADGET_ID_PICK_ELEMENT &&
14519       edit_mode != ED_MODE_DRAWING &&
14520       drawing_function != GADGET_ID_PICK_ELEMENT &&
14521       !(GetKeyModState() & KMOD_Control))
14522     ChangeEditModeWindow(ED_MODE_DRAWING);
14523
14524   // element copy mode active, but no element button pressed => deactivate
14525   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
14526     last_custom_copy_mode = -1;
14527
14528   // when showing palette on element buttons, change element of button used
14529   if (editor.palette.show_on_element_buttons &&
14530       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
14531   {
14532     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
14533
14534     id = GADGET_ID_PALETTE;
14535   }
14536
14537   switch (id)
14538   {
14539     case GADGET_ID_SCROLL_LEFT:
14540       if (level_xpos >= 0)
14541       {
14542         if (lev_fieldx < ed_fieldx - 2)
14543           break;
14544
14545         level_xpos -= step;
14546         if (level_xpos < -1)
14547           level_xpos = -1;
14548         if (button == 1)
14549           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
14550         else
14551           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14552
14553         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
14554                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
14555       }
14556       break;
14557
14558     case GADGET_ID_SCROLL_RIGHT:
14559       if (level_xpos <= lev_fieldx - ed_fieldx)
14560       {
14561         if (lev_fieldx < ed_fieldx - 2)
14562           break;
14563
14564         level_xpos += step;
14565         if (level_xpos > lev_fieldx - ed_fieldx + 1)
14566           level_xpos = lev_fieldx - ed_fieldx + 1;
14567         if (button == 1)
14568           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
14569         else
14570           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14571
14572         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
14573                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
14574       }
14575       break;
14576
14577     case GADGET_ID_SCROLL_UP:
14578       if (level_ypos >= 0)
14579       {
14580         if (lev_fieldy < ed_fieldy - 2)
14581           break;
14582
14583         level_ypos -= step;
14584         if (level_ypos < -1)
14585           level_ypos = -1;
14586         if (button == 1)
14587           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
14588         else
14589           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14590
14591         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
14592                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
14593       }
14594       break;
14595
14596     case GADGET_ID_SCROLL_DOWN:
14597       if (level_ypos <= lev_fieldy - ed_fieldy)
14598       {
14599         if (lev_fieldy < ed_fieldy - 2)
14600           break;
14601
14602         level_ypos += step;
14603         if (level_ypos > lev_fieldy - ed_fieldy + 1)
14604           level_ypos = lev_fieldy - ed_fieldy + 1;
14605         if (button == 1)
14606           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
14607         else
14608           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14609
14610         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
14611                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
14612       }
14613       break;
14614
14615     case GADGET_ID_SCROLL_HORIZONTAL:
14616       level_xpos = gi->event.item_position - 1;
14617
14618       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14619       BackToFront();
14620
14621       break;
14622
14623     case GADGET_ID_SCROLL_VERTICAL:
14624       level_ypos = gi->event.item_position - 1;
14625
14626       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14627       BackToFront();
14628
14629       break;
14630
14631     case GADGET_ID_SCROLL_LIST_UP:
14632     case GADGET_ID_SCROLL_LIST_DOWN:
14633     case GADGET_ID_SCROLL_LIST_VERTICAL:
14634       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
14635         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
14636       else
14637       {
14638         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
14639         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
14640
14641         if (element_shift < 0)
14642           element_shift = 0;
14643         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14644           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14645
14646         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14647                      GDI_SCROLLBAR_ITEM_POSITION,
14648                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14649       }
14650
14651       ModifyEditorElementList();
14652
14653       break;
14654
14655     case GADGET_ID_PROPERTIES:
14656       // always switch off element properties when they are already displayed
14657       last_properties_element = new_element;
14658     case GADGET_ID_ELEMENT_LEFT:
14659     case GADGET_ID_ELEMENT_MIDDLE:
14660     case GADGET_ID_ELEMENT_RIGHT:
14661       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
14662                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
14663                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
14664                             new_element);
14665
14666       if (edit_mode != ED_MODE_PROPERTIES)
14667       {
14668         last_edit_mode = edit_mode;
14669
14670         ChangeEditModeWindow(ED_MODE_PROPERTIES);
14671
14672         last_level_drawing_function = drawing_function;
14673         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
14674                       MB_LEFTBUTTON);
14675       }
14676       else if (properties_element != last_properties_element)
14677       {
14678         DrawEditModeWindow();
14679       }
14680       else
14681       {
14682         ChangeEditModeWindow(ED_MODE_DRAWING);
14683
14684         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
14685                       MB_LEFTBUTTON);
14686       }
14687       break;
14688
14689     case GADGET_ID_PALETTE:
14690       if (edit_mode != ED_MODE_PALETTE)
14691       {
14692         last_edit_mode = edit_mode;
14693
14694         ChangeEditModeWindow(ED_MODE_PALETTE);
14695       }
14696       else
14697       {
14698         ChangeEditModeWindow(last_edit_mode);
14699       }
14700       break;
14701
14702     case GADGET_ID_WRAP_LEFT:
14703       WrapLevel(-step, 0);
14704       break;
14705
14706     case GADGET_ID_WRAP_RIGHT:
14707       WrapLevel(step, 0);
14708       break;
14709
14710     case GADGET_ID_WRAP_UP:
14711       WrapLevel(0, -step);
14712       break;
14713
14714     case GADGET_ID_WRAP_DOWN:
14715       WrapLevel(0, step);
14716       break;
14717
14718     case GADGET_ID_SINGLE_ITEMS:
14719     case GADGET_ID_CONNECTED_ITEMS:
14720     case GADGET_ID_LINE:
14721     case GADGET_ID_ARC:
14722     case GADGET_ID_TEXT:
14723     case GADGET_ID_RECTANGLE:
14724     case GADGET_ID_FILLED_BOX:
14725     case GADGET_ID_FLOOD_FILL:
14726     case GADGET_ID_GRAB_BRUSH:
14727     case GADGET_ID_PICK_ELEMENT:
14728       if (drawing_function != GADGET_ID_PICK_ELEMENT)
14729         last_drawing_function = drawing_function;
14730       drawing_function = id;
14731       draw_with_brush = FALSE;
14732       break;
14733
14734     case GADGET_ID_RANDOM_PLACEMENT:
14735       RandomPlacement(new_element);
14736       break;
14737
14738     case GADGET_ID_ZOOM:
14739       // zoom level editor tile size in or out (or reset to default size)
14740       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
14741                      button == 2 ? ed_tilesize_default :
14742                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
14743
14744       // when using touch device, cycle through all zoom tilesizes
14745       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
14746         ed_tilesize = MICRO_TILESIZE;
14747
14748       // limit zoom level by upper and lower bound
14749       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
14750
14751       InitZoomLevelSettings(ed_tilesize);
14752
14753       if (edit_mode == ED_MODE_DRAWING)
14754       {
14755         DrawDrawingWindow();
14756
14757         // redraw zoom gadget info text
14758         PrintEditorGadgetInfoText(level_editor_gadget[id]);
14759       }
14760
14761       // save current editor zoom tilesize
14762       SaveSetup_AutoSetup();
14763
14764       break;
14765
14766     case GADGET_ID_CUSTOM_COPY_FROM:
14767     case GADGET_ID_CUSTOM_COPY_TO:
14768     case GADGET_ID_CUSTOM_EXCHANGE:
14769       last_custom_copy_mode = id;
14770       last_drawing_function = drawing_function;
14771       break;
14772
14773     case GADGET_ID_CUSTOM_COPY:
14774       CopyCustomElement(properties_element, -1, id);
14775       break;
14776
14777     case GADGET_ID_CUSTOM_PASTE:
14778       CopyCustomElement(-1, properties_element, id);
14779       break;
14780
14781     case GADGET_ID_UNDO:
14782       if (button < 0)   // keep button value (even if modifier keys are pressed)
14783         button = -button;
14784       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
14785         button = 3;
14786
14787       if (button == 1 && undo_buffer_steps == 0)
14788       {
14789         Request("Undo buffer empty!", REQ_CONFIRM);
14790
14791         break;
14792       }
14793       else if (button == 2)
14794       {
14795         break;
14796       }
14797       else if (button == 3 && redo_buffer_steps == 0)
14798       {
14799         Request("Redo buffer empty!", REQ_CONFIRM);
14800
14801         break;
14802       }
14803
14804       if (edit_mode != ED_MODE_DRAWING)
14805         ChangeEditModeWindow(ED_MODE_DRAWING);
14806
14807       if (button == 1)
14808       {
14809         // undo
14810
14811         undo_buffer_position =
14812           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
14813
14814         undo_buffer_steps--;
14815         redo_buffer_steps++;
14816       }
14817       else
14818       {
14819         // redo
14820
14821         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14822
14823         undo_buffer_steps++;
14824         redo_buffer_steps--;
14825       }
14826
14827       for (x = 0; x < lev_fieldx; x++)
14828         for (y = 0; y < lev_fieldy; y++)
14829           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
14830
14831       // check if undo operation forces change of border style
14832       CheckLevelBorderElement(FALSE);
14833
14834       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14835
14836       break;
14837
14838     case GADGET_ID_CONF:
14839       if (edit_mode != ED_MODE_LEVELCONFIG)
14840       {
14841         last_edit_mode = edit_mode;
14842
14843         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
14844       }
14845       else
14846       {
14847         ChangeEditModeWindow(ED_MODE_DRAWING);
14848       }
14849       break;
14850
14851     case GADGET_ID_CLEAR:
14852       if (edit_mode != ED_MODE_DRAWING)
14853         ChangeEditModeWindow(ED_MODE_DRAWING);
14854
14855       for (x = 0; x < MAX_LEV_FIELDX; x++)
14856         for (y = 0; y < MAX_LEV_FIELDY; y++)
14857           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
14858
14859       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
14860
14861       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14862       break;
14863
14864     case GADGET_ID_SAVE:
14865     {
14866       // saving read-only levels into personal level set modifies global vars
14867       // "leveldir_current" and "level_nr"; restore them after saving level
14868       LevelDirTree *leveldir_former = leveldir_current;
14869       int level_nr_former = level_nr;
14870       char *level_filename;
14871       boolean new_level;
14872
14873       if (leveldir_current->readonly &&
14874           !PrepareSavingIntoPersonalLevelSet())
14875         break;
14876
14877       level_filename = getDefaultLevelFilename(level_nr);
14878       new_level = !fileExists(level_filename);
14879
14880       if (new_level ||
14881           Request("Save this level and kill the old?", REQ_ASK))
14882       {
14883         if (leveldir_former->readonly)
14884           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
14885
14886         SetAutomaticNumberOfGemsNeeded();
14887
14888         CopyPlayfield(Tile, level.field);
14889         SaveLevel(level_nr);
14890
14891         level.changed = FALSE;
14892
14893         if (new_level)
14894         {
14895           char level_saved_msg[64];
14896
14897           if (leveldir_former->readonly)
14898             sprintf(level_saved_msg,
14899                     "Level saved as level %d into personal level set!",
14900                     level_nr);
14901           else
14902             strcpy(level_saved_msg, "Level saved!");
14903
14904           Request(level_saved_msg, REQ_CONFIRM);
14905         }
14906       }
14907
14908       // "cd" back to copied-from levelset (in case of saved read-only level)
14909       leveldir_current = leveldir_former;
14910       level_nr = level_nr_former;
14911
14912       break;
14913     }
14914
14915     case GADGET_ID_TEST:
14916       if (LevelChanged())
14917         level.game_version = GAME_VERSION_ACTUAL;
14918
14919       CopyPlayfield(level.field, TileBackup);
14920       CopyPlayfield(Tile, level.field);
14921
14922       CopyNativeLevel_RND_to_Native(&level);
14923
14924       UnmapLevelEditorGadgets();
14925       UndrawSpecialEditorDoor();
14926
14927       CloseDoor(DOOR_CLOSE_ALL);
14928
14929       // needed before playing if editor playfield area has different size
14930       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
14931
14932       // redraw_mask = REDRAW_ALL;
14933
14934       level_editor_test_game = TRUE;
14935
14936       StartGameActions(FALSE, setup.autorecord, level.random_seed);
14937
14938       break;
14939
14940     case GADGET_ID_EXIT:
14941       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
14942       break;
14943
14944     default:
14945       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
14946           id <= GADGET_ID_ELEMENTLIST_LAST)
14947       {
14948         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
14949
14950         new_element = editor_elements[element_position + element_shift];
14951
14952         if (IS_EDITOR_CASCADE(new_element))
14953         {
14954           int i;
14955
14956           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
14957           {
14958             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
14959             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
14960
14961             if (*cascade_element == new_element)
14962             {
14963               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
14964               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
14965
14966               // update element selection list
14967               ReinitializeElementList();
14968               ModifyEditorElementList();
14969
14970               // update cascading gadget info text
14971               PrintEditorGadgetInfoText(level_editor_gadget[id]);
14972
14973               // save current editor cascading state
14974               SaveSetup_EditorCascade();
14975
14976               break;
14977             }
14978           }
14979
14980           break;
14981         }
14982
14983         if (last_custom_copy_mode != -1)
14984         {
14985           if (CopyCustomElement(properties_element, new_element,
14986                                 last_custom_copy_mode))
14987           {
14988             ClickOnGadget(level_editor_gadget[last_drawing_function],
14989                           MB_LEFTBUTTON);
14990
14991             last_custom_copy_mode = -1;
14992           }
14993
14994           break;
14995         }
14996
14997         // change element of button used to show palette
14998         if (editor.palette.show_on_element_buttons)
14999           button = last_button;
15000
15001         PickDrawingElement(button, new_element);
15002
15003         if (!stick_element_properties_window &&
15004             drawing_function != GADGET_ID_PICK_ELEMENT &&
15005             !(GetKeyModState() & KMOD_Control))
15006         {
15007           properties_element = new_element;
15008           if (edit_mode == ED_MODE_PROPERTIES)
15009             DrawPropertiesWindow();
15010         }
15011
15012         if (drawing_function == GADGET_ID_PICK_ELEMENT)
15013           ClickOnGadget(level_editor_gadget[last_drawing_function],
15014                         MB_LEFTBUTTON);
15015
15016         if (!use_permanent_palette)
15017           ChangeEditModeWindow(last_edit_mode);
15018       }
15019 #ifdef DEBUG
15020       else if (gi->event.type == GD_EVENT_PRESSED)
15021         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
15022       else if (gi->event.type == GD_EVENT_RELEASED)
15023         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
15024       else if (gi->event.type == GD_EVENT_MOVING)
15025         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
15026       else
15027         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
15028 #endif
15029       break;
15030   }
15031 }
15032
15033 void HandleLevelEditorKeyInput(Key key)
15034 {
15035   char letter = getCharFromKey(key);
15036
15037   if (drawing_function == GADGET_ID_TEXT &&
15038       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
15039   {
15040     if (letter)
15041       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
15042     else if (key == KSYM_Delete || key == KSYM_BackSpace)
15043       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
15044     else if (key == KSYM_Return)
15045       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
15046     else if (key == KSYM_Escape)
15047       DrawLevelText(0, 0, 0, TEXT_END);
15048
15049     return;
15050   }
15051
15052   int id = GADGET_ID_NONE;
15053   int new_element_shift = element_shift;
15054   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
15055   int button = MB_LEFTBUTTON;
15056   int i;
15057
15058   switch (key)
15059   {
15060     case KSYM_Left:
15061       id = GADGET_ID_SCROLL_LEFT;
15062       break;
15063     case KSYM_Right:
15064       id = GADGET_ID_SCROLL_RIGHT;
15065       break;
15066     case KSYM_Up:
15067       id = GADGET_ID_SCROLL_UP;
15068       break;
15069     case KSYM_Down:
15070       id = GADGET_ID_SCROLL_DOWN;
15071       break;
15072
15073     case KSYM_Page_Up:
15074     case KSYM_Page_Down:
15075       step *= (key == KSYM_Page_Up ? -1 : +1);
15076       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15077
15078       if (element_shift < 0)
15079         element_shift = 0;
15080       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15081         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15082
15083       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15084                    GDI_SCROLLBAR_ITEM_POSITION,
15085                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15086
15087       ModifyEditorElementList();
15088
15089       break;
15090
15091     case KSYM_Home:
15092     case KSYM_End:
15093       element_shift = (key == KSYM_Home ? 0 :
15094                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
15095
15096       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15097                    GDI_SCROLLBAR_ITEM_POSITION,
15098                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15099
15100       ModifyEditorElementList();
15101
15102       break;
15103
15104     case KSYM_Insert:
15105     case KSYM_Delete:
15106
15107       // this is needed to prevent interference with running "True X-Mouse"
15108       if (GetKeyModStateFromEvents() & KMOD_Control)
15109         break;
15110
15111       // check for last or next editor cascade block in element list
15112       for (i = 0; i < num_editor_elements; i++)
15113       {
15114         if ((key == KSYM_Insert && i == element_shift) ||
15115             (key == KSYM_Delete && new_element_shift > element_shift))
15116           break;
15117
15118         // jump to next cascade block (or to start of element list)
15119         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
15120           new_element_shift = i;
15121       }
15122
15123       if (i < num_editor_elements)
15124         element_shift = new_element_shift;
15125
15126       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15127         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15128
15129       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15130                    GDI_SCROLLBAR_ITEM_POSITION,
15131                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15132
15133       ModifyEditorElementList();
15134
15135       break;
15136
15137     case KSYM_Escape:
15138       if (edit_mode == ED_MODE_DRAWING)
15139         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
15140       else if (edit_mode == ED_MODE_LEVELCONFIG)
15141         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
15142       else if (edit_mode == ED_MODE_PROPERTIES)
15143         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
15144       else if (edit_mode == ED_MODE_PALETTE)
15145         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
15146       else              // should never happen
15147         ChangeEditModeWindow(ED_MODE_DRAWING);
15148
15149       break;
15150
15151     default:
15152       break;
15153   }
15154
15155   if (id != GADGET_ID_NONE)
15156     ClickOnGadget(level_editor_gadget[id], button);
15157   else if (letter == '1' || letter == '?')
15158     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
15159   else if (letter == '2')
15160     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
15161   else if (letter == '3')
15162     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
15163   else if (letter == '.')
15164     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
15165   else if (letter == 'U')
15166     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
15167   else if (letter == '-' || key == KSYM_KP_Subtract)
15168     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
15169   else if (letter == '0' || key == KSYM_KP_0)
15170     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
15171   else if (letter == '+' || key == KSYM_KP_Add ||
15172            letter == '=')       // ("Shift-=" is "+" on US keyboards)
15173     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
15174   else if (key == KSYM_Return ||
15175            key == KSYM_space ||
15176            key == setup.shortcut.toggle_pause)
15177     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
15178   else
15179     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
15180       if (letter && letter == controlbutton_info[i].shortcut)
15181         if (!anyTextGadgetActive())
15182           ClickOnGadget(level_editor_gadget[i], button);
15183
15184   if (draw_with_brush)
15185   {
15186     if (letter == 'x')
15187       FlipBrushX();
15188     else if (letter == 'y')
15189       FlipBrushY();
15190     else if (letter == 'z')
15191       RotateBrush();
15192   }
15193 }
15194
15195 static void HandleLevelEditorIdle_Properties(void)
15196 {
15197   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
15198   int x = editor.settings.element_graphic.x + element_border;
15199   int y = editor.settings.element_graphic.y + element_border;
15200   static DelayCounter action_delay = { 0 };
15201   int i;
15202
15203   action_delay.value = GameFrameDelay;
15204
15205   if (!DelayReached(&action_delay))
15206     return;
15207
15208   for (i = 0; i < ED_NUM_SELECTBOX; i++)
15209   {
15210     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
15211
15212     if (gi->mapped && gi->active && gi->selectbox.open)
15213       return;
15214   }
15215
15216   DrawEditorElementAnimation(SX + x, SY + y);
15217
15218   redraw_mask |= REDRAW_FIELD;
15219
15220   FrameCounter++;       // increase animation frame counter
15221 }
15222
15223 static void HandleLevelEditorIdle_Drawing(void)
15224 {
15225   static boolean last_highlighted = FALSE;
15226   static boolean last_highlighted_similar = FALSE;
15227   boolean highlighted = (GetKeyModState() & KMOD_Alt);
15228   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
15229
15230   if (highlighted != last_highlighted ||
15231       (highlighted && highlighted_similar != last_highlighted_similar))
15232   {
15233     DrawAreaElementHighlight(highlighted, highlighted_similar);
15234
15235     redraw_mask |= REDRAW_FIELD;
15236   }
15237
15238   last_highlighted = highlighted;
15239   last_highlighted_similar = highlighted_similar;
15240 }
15241
15242 void HandleLevelEditorIdle(void)
15243 {
15244   if (edit_mode == ED_MODE_PROPERTIES)
15245     HandleLevelEditorIdle_Properties();
15246   else if (edit_mode == ED_MODE_DRAWING)
15247     HandleLevelEditorIdle_Drawing();
15248 }
15249
15250 static void ClearEditorGadgetInfoText(void)
15251 {
15252   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
15253 }
15254
15255 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
15256 {
15257   char infotext[MAX_OUTPUT_LINESIZE + 1];
15258   int max_infotext_len = getMaxInfoTextLength();
15259
15260   if (gi == NULL || strlen(gi->info_text) == 0)
15261     return;
15262
15263   strncpy(infotext, gi->info_text, max_infotext_len);
15264   infotext[max_infotext_len] = '\0';
15265
15266   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
15267   {
15268     int key = controlbutton_info[gi->custom_id].shortcut;
15269
15270     if (key)
15271     {
15272       char shortcut[MAX_OUTPUT_LINESIZE + 1];
15273
15274       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
15275         sprintf(shortcut, " ('.' or '%c')", key);
15276       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
15277         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
15278       else if (gi->custom_id == GADGET_ID_TEST)
15279         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
15280       else if (gi->custom_id == GADGET_ID_UNDO)
15281         sprintf(shortcut, " ('%c/Shift-U')", key);
15282       else if (gi->custom_id == GADGET_ID_ZOOM)
15283         sprintf(shortcut, " ('%c', '0', '-')", key);
15284       else
15285         sprintf(shortcut, " ('%s%c')",
15286                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
15287
15288       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
15289         strcat(infotext, shortcut);
15290     }
15291   }
15292
15293   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
15294 }
15295
15296 void HandleEditorGadgetInfoText(void *ptr)
15297 {
15298   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
15299
15300   if (game_status != GAME_MODE_EDITOR)
15301     return;
15302
15303   ClearEditorGadgetInfoText();
15304
15305   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
15306     return;
15307
15308   // misuse this function to delete brush cursor, if needed
15309   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
15310     DeleteBrushFromCursor();
15311
15312   PrintEditorGadgetInfoText(gi);
15313 }
15314
15315 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
15316 {
15317   int id = gi->custom_id;
15318   int type_id = gi->custom_type_id;
15319   int sx = gi->event.x;
15320   int sy = gi->event.y;
15321   int lx = sx + level_xpos;
15322   int ly = sy + level_ypos;
15323   int min_sx = 0, min_sy = 0;
15324   int max_sx = gi->drawing.area_xsize - 1;
15325   int max_sy = gi->drawing.area_ysize - 1;
15326   int actual_drawing_function = drawing_function;
15327   int max_infotext_len = getMaxInfoTextLength();
15328   char infotext[MAX_OUTPUT_LINESIZE + 1];
15329
15330   infotext[0] = '\0';           // start with empty info text
15331
15332   // pressed Control key: simulate picking element
15333   if (GetKeyModState() & KMOD_Control)
15334     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15335
15336   ClearEditorGadgetInfoText();
15337
15338   if (gi->event.type == GD_EVENT_INFO_LEAVING)
15339     return;
15340
15341   // make sure to stay inside drawing area boundaries
15342   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15343   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15344
15345   if (id == GADGET_ID_DRAWING_LEVEL)
15346   {
15347     if (button_status)
15348     {
15349       int min_lx = 0, min_ly = 0;
15350       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15351
15352       // get positions inside level field
15353       lx = sx + level_xpos;
15354       ly = sy + level_ypos;
15355
15356       // make sure to stay inside level field boundaries
15357       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15358       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15359
15360       // correct drawing area positions accordingly
15361       sx = lx - level_xpos;
15362       sy = ly - level_ypos;
15363     }
15364
15365     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
15366     {
15367       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
15368       {
15369         static int start_lx = 0;
15370         static int start_ly = 0;
15371         char *text;
15372
15373         if (gi->event.type == GD_EVENT_PRESSED)
15374         {
15375           start_lx = lx;
15376           start_ly = ly;
15377         }
15378
15379         switch (actual_drawing_function)
15380         {
15381           case GADGET_ID_SINGLE_ITEMS:
15382             text = "Drawing single items";
15383             break;
15384           case GADGET_ID_CONNECTED_ITEMS:
15385             text = "Drawing connected items";
15386             break;
15387           case GADGET_ID_LINE:
15388             text = "Drawing line";
15389             break;
15390           case GADGET_ID_ARC:
15391             text = "Drawing arc";
15392             break;
15393           case GADGET_ID_TEXT:
15394             text = "Setting text cursor";
15395             break;
15396           case GADGET_ID_RECTANGLE:
15397             text = "Drawing rectangle";
15398             break;
15399           case GADGET_ID_FILLED_BOX:
15400             text = "Drawing filled box";
15401             break;
15402           case GADGET_ID_FLOOD_FILL:
15403             text = "Flood fill";
15404             break;
15405           case GADGET_ID_GRAB_BRUSH:
15406             text = "Grabbing brush";
15407             break;
15408           case GADGET_ID_PICK_ELEMENT:
15409             text = "Picking element";
15410             break;
15411
15412           default:
15413             text = "Drawing position";
15414             break;
15415         }
15416
15417         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15418           sprintf(infotext, "%s: %d, %d", text, lx, ly);
15419         else
15420           sprintf(infotext, "%s: %d, %d", text,
15421                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
15422       }
15423       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15424         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
15425       else
15426         sprintf(infotext, "Level position: %d, %d", lx, ly);
15427     }
15428
15429     // misuse this function to draw brush cursor, if needed
15430     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
15431     {
15432       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
15433         CopyBrushToCursor(sx, sy);
15434       else
15435         DeleteBrushFromCursor();
15436     }
15437
15438     if (!draw_with_brush)
15439       UpdateBrushPosition(sx, sy);
15440   }
15441   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15442   {
15443     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15444     int element = drawingarea_info[type_id].value[pos];
15445
15446     strncpy(infotext, getElementInfoText(element), max_infotext_len);
15447   }
15448   else
15449   {
15450     if (id == GADGET_ID_CUSTOM_CONTENT)
15451       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
15452     else if (id == GADGET_ID_GROUP_CONTENT)
15453       sprintf(infotext, "group element position: %d", sx + 1);
15454     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
15455              id <= GADGET_ID_YAMYAM_CONTENT_7)
15456       sprintf(infotext, "content area %d position: %d, %d",
15457               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
15458     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
15459              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
15460       sprintf(infotext, "content area %d position: %d, %d",
15461               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
15462     else if (id == GADGET_ID_ANDROID_CONTENT)
15463       sprintf(infotext, "android element position: %d", sx + 1);
15464     else if (drawingarea_info[type_id].infotext != NULL)
15465       strcpy(infotext, drawingarea_info[type_id].infotext);
15466   }
15467
15468   infotext[max_infotext_len] = '\0';
15469
15470   if (strlen(infotext) > 0)
15471     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
15472 }
15473
15474 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
15475                             boolean quick_quit)
15476 {
15477   if (!ask_if_level_has_changed ||
15478       !LevelChanged() ||
15479       Request("Level has changed! Exit without saving?",
15480               REQ_ASK | REQ_STAY_OPEN))
15481   {
15482     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
15483     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
15484
15485     // draw normal door
15486     UndrawSpecialEditorDoor();
15487
15488     // use door animation if door 1 viewport is unchanged and contains toolbox
15489     if (useEditorDoorAnimation())
15490       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
15491
15492     // close editor doors if viewport definition is the same as in main menu
15493     if (vp_door_1->x      == DX     &&
15494         vp_door_1->y      == DY     &&
15495         vp_door_1->width  == DXSIZE &&
15496         vp_door_1->height == DYSIZE &&
15497         vp_door_2->x      == VX     &&
15498         vp_door_2->y      == VY     &&
15499         vp_door_2->width  == VXSIZE &&
15500         vp_door_2->height == VYSIZE)
15501       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
15502     else
15503       SetDoorState(DOOR_CLOSE_ALL);
15504
15505     BackToFront();
15506
15507     if (quick_quit)
15508       FadeSkipNextFadeIn();
15509
15510     SetGameStatus(GAME_MODE_MAIN);
15511
15512     DrawMainMenu();
15513   }
15514   else
15515   {
15516     if (!global.use_envelope_request)
15517     {
15518       CloseDoor(DOOR_CLOSE_1);
15519       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
15520     }
15521   }
15522 }